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/* $Header: /cvsroot/esrg/sfesrg/esrgpcpj/shared/tk_base/tkcanvutil.c,v 1.1.1.1 2001/06/13 04:57:52 dtashley Exp $ */ |
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/* |
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* tkCanvUtil.c -- |
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* |
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* This procedure contains a collection of utility procedures |
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* used by the implementations of various canvas item types. |
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* |
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* Copyright (c) 1994 Sun Microsystems, Inc. |
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* Copyright (c) 1994 Sun Microsystems, Inc. |
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* |
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* See the file "license.terms" for information on usage and redistribution |
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* of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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* |
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* RCS: @(#) $Id: tkcanvutil.c,v 1.1.1.1 2001/06/13 04:57:52 dtashley Exp $ |
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*/ |
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#include "tkInt.h" |
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#include "tkCanvas.h" |
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#include "tkPort.h" |
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/* |
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*---------------------------------------------------------------------- |
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* |
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* Tk_CanvasTkwin -- |
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* |
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* Given a token for a canvas, this procedure returns the |
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* widget that represents the canvas. |
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* |
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* Results: |
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* The return value is a handle for the widget. |
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* |
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* Side effects: |
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* None. |
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* |
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*---------------------------------------------------------------------- |
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*/ |
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Tk_Window |
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Tk_CanvasTkwin(canvas) |
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Tk_Canvas canvas; /* Token for the canvas. */ |
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{ |
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TkCanvas *canvasPtr = (TkCanvas *) canvas; |
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return canvasPtr->tkwin; |
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} |
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/* |
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*---------------------------------------------------------------------- |
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* |
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* Tk_CanvasDrawableCoords -- |
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* |
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* Given an (x,y) coordinate pair within a canvas, this procedure |
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* returns the corresponding coordinates at which the point should |
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* be drawn in the drawable used for display. |
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* |
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* Results: |
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* There is no return value. The values at *drawableXPtr and |
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* *drawableYPtr are filled in with the coordinates at which |
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* x and y should be drawn. These coordinates are clipped |
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* to fit within a "short", since this is what X uses in |
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* most cases for drawing. |
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* |
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* Side effects: |
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* None. |
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* |
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*---------------------------------------------------------------------- |
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*/ |
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void |
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Tk_CanvasDrawableCoords(canvas, x, y, drawableXPtr, drawableYPtr) |
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Tk_Canvas canvas; /* Token for the canvas. */ |
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double x, y; /* Coordinates in canvas space. */ |
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short *drawableXPtr, *drawableYPtr; /* Screen coordinates are stored |
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* here. */ |
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{ |
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TkCanvas *canvasPtr = (TkCanvas *) canvas; |
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double tmp; |
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tmp = x - canvasPtr->drawableXOrigin; |
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if (tmp > 0) { |
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tmp += 0.5; |
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} else { |
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tmp -= 0.5; |
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} |
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if (tmp > 32767) { |
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*drawableXPtr = 32767; |
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} else if (tmp < -32768) { |
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*drawableXPtr = -32768; |
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} else { |
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*drawableXPtr = (short) tmp; |
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} |
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tmp = y - canvasPtr->drawableYOrigin; |
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if (tmp > 0) { |
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tmp += 0.5; |
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} else { |
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tmp -= 0.5; |
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} |
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if (tmp > 32767) { |
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*drawableYPtr = 32767; |
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} else if (tmp < -32768) { |
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*drawableYPtr = -32768; |
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} else { |
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*drawableYPtr = (short) tmp; |
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} |
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} |
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/* |
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*---------------------------------------------------------------------- |
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* |
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* Tk_CanvasWindowCoords -- |
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* |
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* Given an (x,y) coordinate pair within a canvas, this procedure |
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* returns the corresponding coordinates in the canvas's window. |
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* |
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* Results: |
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* There is no return value. The values at *screenXPtr and |
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* *screenYPtr are filled in with the coordinates at which |
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* (x,y) appears in the canvas's window. These coordinates |
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* are clipped to fit within a "short", since this is what X |
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* uses in most cases for drawing. |
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* |
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* Side effects: |
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* None. |
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* |
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*---------------------------------------------------------------------- |
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*/ |
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void |
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Tk_CanvasWindowCoords(canvas, x, y, screenXPtr, screenYPtr) |
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Tk_Canvas canvas; /* Token for the canvas. */ |
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double x, y; /* Coordinates in canvas space. */ |
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short *screenXPtr, *screenYPtr; /* Screen coordinates are stored |
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* here. */ |
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{ |
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TkCanvas *canvasPtr = (TkCanvas *) canvas; |
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double tmp; |
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tmp = x - canvasPtr->xOrigin; |
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if (tmp > 0) { |
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tmp += 0.5; |
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} else { |
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tmp -= 0.5; |
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} |
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if (tmp > 32767) { |
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*screenXPtr = 32767; |
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} else if (tmp < -32768) { |
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*screenXPtr = -32768; |
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} else { |
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*screenXPtr = (short) tmp; |
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} |
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tmp = y - canvasPtr->yOrigin; |
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if (tmp > 0) { |
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tmp += 0.5; |
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} else { |
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tmp -= 0.5; |
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} |
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if (tmp > 32767) { |
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*screenYPtr = 32767; |
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} else if (tmp < -32768) { |
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*screenYPtr = -32768; |
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} else { |
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*screenYPtr = (short) tmp; |
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} |
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} |
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/* |
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*-------------------------------------------------------------- |
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* |
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* Tk_CanvasGetCoord -- |
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* |
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* Given a string, returns a floating-point canvas coordinate |
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* corresponding to that string. |
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* |
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* Results: |
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* The return value is a standard Tcl return result. If |
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* TCL_OK is returned, then everything went well and the |
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* canvas coordinate is stored at *doublePtr; otherwise |
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* TCL_ERROR is returned and an error message is left in |
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* the interp's result. |
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* |
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* Side effects: |
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* None. |
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* |
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*-------------------------------------------------------------- |
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*/ |
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int |
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Tk_CanvasGetCoord(interp, canvas, string, doublePtr) |
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Tcl_Interp *interp; /* Interpreter for error reporting. */ |
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Tk_Canvas canvas; /* Canvas to which coordinate applies. */ |
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char *string; /* Describes coordinate (any screen |
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* coordinate form may be used here). */ |
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double *doublePtr; /* Place to store converted coordinate. */ |
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{ |
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TkCanvas *canvasPtr = (TkCanvas *) canvas; |
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if (Tk_GetScreenMM(canvasPtr->interp, canvasPtr->tkwin, string, |
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doublePtr) != TCL_OK) { |
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return TCL_ERROR; |
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} |
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*doublePtr *= canvasPtr->pixelsPerMM; |
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return TCL_OK; |
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} |
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/* |
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*-------------------------------------------------------------- |
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* |
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* Tk_CanvasGetCoordFromObj -- |
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* |
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* Given a string, returns a floating-point canvas coordinate |
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* corresponding to that string. |
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* |
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* Results: |
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* The return value is a standard Tcl return result. If |
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* TCL_OK is returned, then everything went well and the |
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* canvas coordinate is stored at *doublePtr; otherwise |
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* TCL_ERROR is returned and an error message is left in |
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* interp->result. |
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* |
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* Side effects: |
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* None. |
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* |
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*-------------------------------------------------------------- |
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*/ |
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int |
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Tk_CanvasGetCoordFromObj(interp, canvas, obj, doublePtr) |
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Tcl_Interp *interp; /* Interpreter for error reporting. */ |
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Tk_Canvas canvas; /* Canvas to which coordinate applies. */ |
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Tcl_Obj *obj; /* Describes coordinate (any screen |
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* coordinate form may be used here). */ |
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double *doublePtr; /* Place to store converted coordinate. */ |
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{ |
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TkCanvas *canvasPtr = (TkCanvas *) canvas; |
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if (Tk_GetMMFromObj(canvasPtr->interp, canvasPtr->tkwin, obj, |
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doublePtr) != TCL_OK) { |
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return TCL_ERROR; |
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} |
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*doublePtr *= canvasPtr->pixelsPerMM; |
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return TCL_OK; |
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} |
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/* |
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*---------------------------------------------------------------------- |
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* |
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* Tk_CanvasSetStippleOrigin -- |
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* |
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* This procedure sets the stipple origin in a graphics context |
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* so that stipples drawn with the GC will line up with other |
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* stipples previously drawn in the canvas. |
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* |
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* Results: |
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* None. |
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* |
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* Side effects: |
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* The graphics context is modified. |
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* |
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*---------------------------------------------------------------------- |
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*/ |
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void |
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Tk_CanvasSetStippleOrigin(canvas, gc) |
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Tk_Canvas canvas; /* Token for a canvas. */ |
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GC gc; /* Graphics context that is about to be |
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* used to draw a stippled pattern as |
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* part of redisplaying the canvas. */ |
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{ |
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TkCanvas *canvasPtr = (TkCanvas *) canvas; |
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XSetTSOrigin(canvasPtr->display, gc, -canvasPtr->drawableXOrigin, |
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-canvasPtr->drawableYOrigin); |
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} |
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/* |
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*---------------------------------------------------------------------- |
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* |
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* Tk_CanvasSetOffset-- |
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* |
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* This procedure sets the stipple offset in a graphics |
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* context so that stipples drawn with the GC will |
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* line up with other stipples with the same offset. |
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* |
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* Results: |
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* None. |
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* |
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* Side effects: |
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* The graphics context is modified. |
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* |
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*---------------------------------------------------------------------- |
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*/ |
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void |
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Tk_CanvasSetOffset(canvas, gc, offset) |
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Tk_Canvas canvas; /* Token for a canvas. */ |
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GC gc; /* Graphics context that is about to be |
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* used to draw a stippled pattern as |
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* part of redisplaying the canvas. */ |
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Tk_TSOffset *offset; /* offset (may be NULL pointer)*/ |
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{ |
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TkCanvas *canvasPtr = (TkCanvas *) canvas; |
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int flags = 0; |
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int x = - canvasPtr->drawableXOrigin; |
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int y = - canvasPtr->drawableYOrigin; |
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if (offset != NULL) { |
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flags = offset->flags; |
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x += offset->xoffset; |
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y += offset->yoffset; |
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} |
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if ((flags & TK_OFFSET_RELATIVE) && !(flags & TK_OFFSET_INDEX)) { |
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Tk_SetTSOrigin(canvasPtr->tkwin, gc, x - canvasPtr->xOrigin, |
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y - canvasPtr->yOrigin); |
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} else { |
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XSetTSOrigin(canvasPtr->display, gc, x, y); |
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} |
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} |
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/* |
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*---------------------------------------------------------------------- |
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* |
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* Tk_CanvasGetTextInfo -- |
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* |
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* This procedure returns a pointer to a structure containing |
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* information about the selection and insertion cursor for |
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* a canvas widget. Items such as text items save the pointer |
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* and use it to share access to the information with the generic |
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* canvas code. |
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* |
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* Results: |
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* The return value is a pointer to the structure holding text |
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* information for the canvas. Most of the fields should not |
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* be modified outside the generic canvas code; see the user |
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* documentation for details. |
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* |
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* Side effects: |
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* None. |
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* |
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*---------------------------------------------------------------------- |
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*/ |
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Tk_CanvasTextInfo * |
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Tk_CanvasGetTextInfo(canvas) |
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Tk_Canvas canvas; /* Token for the canvas widget. */ |
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{ |
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return &((TkCanvas *) canvas)->textInfo; |
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} |
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/* |
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*-------------------------------------------------------------- |
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* |
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* Tk_CanvasTagsParseProc -- |
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* |
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* This procedure is invoked during option processing to handle |
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* "-tags" options for canvas items. |
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* |
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* Results: |
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* A standard Tcl return value. |
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* |
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* Side effects: |
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* The tags for a given item get replaced by those indicated |
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* in the value argument. |
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* |
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*-------------------------------------------------------------- |
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*/ |
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int |
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Tk_CanvasTagsParseProc(clientData, interp, tkwin, value, widgRec, offset) |
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ClientData clientData; /* Not used.*/ |
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Tcl_Interp *interp; /* Used for reporting errors. */ |
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Tk_Window tkwin; /* Window containing canvas widget. */ |
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char *value; /* Value of option (list of tag |
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* names). */ |
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char *widgRec; /* Pointer to record for item. */ |
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int offset; /* Offset into item (ignored). */ |
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{ |
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register Tk_Item *itemPtr = (Tk_Item *) widgRec; |
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int argc, i; |
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char **argv; |
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Tk_Uid *newPtr; |
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/* |
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* Break the value up into the individual tag names. |
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*/ |
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if (Tcl_SplitList(interp, value, &argc, &argv) != TCL_OK) { |
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return TCL_ERROR; |
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} |
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/* |
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* Make sure that there's enough space in the item to hold the |
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* tag names. |
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*/ |
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if (itemPtr->tagSpace < argc) { |
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newPtr = (Tk_Uid *) ckalloc((unsigned) (argc * sizeof(Tk_Uid))); |
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for (i = itemPtr->numTags-1; i >= 0; i--) { |
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newPtr[i] = itemPtr->tagPtr[i]; |
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} |
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if (itemPtr->tagPtr != itemPtr->staticTagSpace) { |
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ckfree((char *) itemPtr->tagPtr); |
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} |
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itemPtr->tagPtr = newPtr; |
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itemPtr->tagSpace = argc; |
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} |
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itemPtr->numTags = argc; |
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for (i = 0; i < argc; i++) { |
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itemPtr->tagPtr[i] = Tk_GetUid(argv[i]); |
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} |
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ckfree((char *) argv); |
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return TCL_OK; |
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} |
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/* |
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*-------------------------------------------------------------- |
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* |
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* Tk_CanvasTagsPrintProc -- |
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* |
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* This procedure is invoked by the Tk configuration code |
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* to produce a printable string for the "-tags" configuration |
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* option for canvas items. |
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* |
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* Results: |
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* The return value is a string describing all the tags for |
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* the item referred to by "widgRec". In addition, *freeProcPtr |
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* is filled in with the address of a procedure to call to free |
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* the result string when it's no longer needed (or NULL to |
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* indicate that the string doesn't need to be freed). |
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* |
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* Side effects: |
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* None. |
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* |
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*-------------------------------------------------------------- |
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*/ |
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char * |
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Tk_CanvasTagsPrintProc(clientData, tkwin, widgRec, offset, freeProcPtr) |
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ClientData clientData; /* Ignored. */ |
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Tk_Window tkwin; /* Window containing canvas widget. */ |
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char *widgRec; /* Pointer to record for item. */ |
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int offset; /* Ignored. */ |
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Tcl_FreeProc **freeProcPtr; /* Pointer to variable to fill in with |
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* information about how to reclaim |
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* storage for return string. */ |
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{ |
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register Tk_Item *itemPtr = (Tk_Item *) widgRec; |
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if (itemPtr->numTags == 0) { |
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*freeProcPtr = (Tcl_FreeProc *) NULL; |
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return ""; |
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} |
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if (itemPtr->numTags == 1) { |
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*freeProcPtr = (Tcl_FreeProc *) NULL; |
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return (char *) itemPtr->tagPtr[0]; |
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} |
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*freeProcPtr = TCL_DYNAMIC; |
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return Tcl_Merge(itemPtr->numTags, (char **) itemPtr->tagPtr); |
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} |
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static int DashConvert _ANSI_ARGS_((char *l, CONST char *p, |
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int n, double width)); |
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#define ABS(a) ((a>=0)?(a):(-(a))) |
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/* |
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*-------------------------------------------------------------- |
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* |
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* TkCanvasDashParseProc -- |
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* |
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* This procedure is invoked during option processing to handle |
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* "-dash", "-activedash" and "-disableddash" options for canvas |
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* objects. |
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* |
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* Results: |
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* A standard Tcl return value. |
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* |
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* Side effects: |
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|
* The dash list for a given canvas object gets replaced by |
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* those indicated in the value argument. |
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* |
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*-------------------------------------------------------------- |
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*/ |
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int |
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TkCanvasDashParseProc(clientData, interp, tkwin, value, widgRec, offset) |
|
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ClientData clientData; /* Not used.*/ |
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Tcl_Interp *interp; /* Used for reporting errors. */ |
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Tk_Window tkwin; /* Window containing canvas widget. */ |
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CONST char *value; /* Value of option. */ |
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char *widgRec; /* Pointer to record for item. */ |
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int offset; /* Offset into item. */ |
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{ |
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return Tk_GetDash(interp, value, (Tk_Dash *)(widgRec+offset)); |
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} |
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|
|
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/* |
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|
*-------------------------------------------------------------- |
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* |
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|
* TkCanvasDashPrintProc -- |
|
|
* |
|
|
* This procedure is invoked by the Tk configuration code |
|
|
* to produce a printable string for the "-dash", "-activedash" |
|
|
* and "-disableddash" configuration options for canvas items. |
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|
* |
|
|
* Results: |
|
|
* The return value is a string describing all the dash list for |
|
|
* the item referred to by "widgRec"and "offset". In addition, |
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|
* *freeProcPtr is filled in with the address of a procedure to |
|
|
* call to free the result string when it's no longer needed (or |
|
|
* NULL to indicate that the string doesn't need to be freed). |
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|
* |
|
|
* Side effects: |
|
|
* None. |
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|
* |
|
|
*-------------------------------------------------------------- |
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|
*/ |
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char * |
|
|
TkCanvasDashPrintProc(clientData, tkwin, widgRec, offset, freeProcPtr) |
|
|
ClientData clientData; /* Ignored. */ |
|
|
Tk_Window tkwin; /* Window containing canvas widget. */ |
|
|
char *widgRec; /* Pointer to record for item. */ |
|
|
int offset; /* Offset in record for item. */ |
|
|
Tcl_FreeProc **freeProcPtr; /* Pointer to variable to fill in with |
|
|
* information about how to reclaim |
|
|
* storage for return string. */ |
|
|
{ |
|
|
Tk_Dash *dash = (Tk_Dash *) (widgRec+offset); |
|
|
char *buffer; |
|
|
char *p; |
|
|
int i = dash->number; |
|
|
|
|
|
if (i < 0) { |
|
|
i = -i; |
|
|
*freeProcPtr = TCL_DYNAMIC; |
|
|
buffer = (char *) ckalloc((unsigned int) (i+1)); |
|
|
p = (i > sizeof(char *)) ? dash->pattern.pt : dash->pattern.array; |
|
|
memcpy(buffer, p, (unsigned int) i); |
|
|
buffer[i] = 0; |
|
|
return buffer; |
|
|
} else if (!i) { |
|
|
*freeProcPtr = (Tcl_FreeProc *) NULL; |
|
|
return ""; |
|
|
} |
|
|
buffer = (char *)ckalloc((unsigned int) (4*i)); |
|
|
*freeProcPtr = TCL_DYNAMIC; |
|
|
|
|
|
p = (i > sizeof(char *)) ? dash->pattern.pt : dash->pattern.array; |
|
|
sprintf(buffer, "%d", *p++ & 0xff); |
|
|
while(--i) { |
|
|
sprintf(buffer+strlen(buffer), " %d", *p++ & 0xff); |
|
|
} |
|
|
return buffer; |
|
|
} |
|
|
|
|
|
/* |
|
|
*-------------------------------------------------------------- |
|
|
* |
|
|
* Tk_CreateSmoothMethod -- |
|
|
* |
|
|
* This procedure is invoked to add additional values |
|
|
* for the "-smooth" option to the list. |
|
|
* |
|
|
* Results: |
|
|
* A standard Tcl return value. |
|
|
* |
|
|
* Side effects: |
|
|
* In the future "-smooth <name>" will be accepted as |
|
|
* smooth method for the line and polygon. |
|
|
* |
|
|
*-------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
Tk_SmoothMethod tkBezierSmoothMethod = { |
|
|
"bezier", |
|
|
TkMakeBezierCurve, |
|
|
(void (*) _ANSI_ARGS_((Tcl_Interp *interp, Tk_Canvas canvas, |
|
|
double *coordPtr, int numPoints, int numSteps))) |
|
|
TkMakeBezierPostscript, |
|
|
}; |
|
|
|
|
|
static void SmoothMethodCleanupProc _ANSI_ARGS_((ClientData clientData, |
|
|
Tcl_Interp *interp)); |
|
|
|
|
|
typedef struct SmoothAssocData { |
|
|
struct SmoothAssocData *nextPtr; /* pointer to next SmoothAssocData */ |
|
|
Tk_SmoothMethod smooth; /* name and functions associated with this |
|
|
* option */ |
|
|
} SmoothAssocData; |
|
|
|
|
|
void |
|
|
Tk_CreateSmoothMethod(interp, smooth) |
|
|
Tcl_Interp *interp; |
|
|
Tk_SmoothMethod *smooth; |
|
|
{ |
|
|
SmoothAssocData *methods, *typePtr2, *prevPtr, *ptr; |
|
|
methods = (SmoothAssocData *) Tcl_GetAssocData(interp, "smoothMethod", |
|
|
(Tcl_InterpDeleteProc **) NULL); |
|
|
|
|
|
/* |
|
|
* If there's already a smooth method with the given name, remove it. |
|
|
*/ |
|
|
|
|
|
for (typePtr2 = methods, prevPtr = NULL; typePtr2 != NULL; |
|
|
prevPtr = typePtr2, typePtr2 = typePtr2->nextPtr) { |
|
|
if (!strcmp(typePtr2->smooth.name, smooth->name)) { |
|
|
if (prevPtr == NULL) { |
|
|
methods = typePtr2->nextPtr; |
|
|
} else { |
|
|
prevPtr->nextPtr = typePtr2->nextPtr; |
|
|
} |
|
|
ckfree((char *) typePtr2); |
|
|
break; |
|
|
} |
|
|
} |
|
|
ptr = (SmoothAssocData *) ckalloc(sizeof(SmoothAssocData)); |
|
|
ptr->smooth.name = smooth->name; |
|
|
ptr->smooth.coordProc = smooth->coordProc; |
|
|
ptr->smooth.postscriptProc = smooth->postscriptProc; |
|
|
ptr->nextPtr = methods; |
|
|
Tcl_SetAssocData(interp, "smoothMethod", SmoothMethodCleanupProc, |
|
|
(ClientData) ptr); |
|
|
} |
|
|
/* |
|
|
*---------------------------------------------------------------------- |
|
|
* |
|
|
* SmoothMethodCleanupProc -- |
|
|
* |
|
|
* This procedure is invoked whenever an interpreter is deleted |
|
|
* to cleanup the smooth methods. |
|
|
* |
|
|
* Results: |
|
|
* None. |
|
|
* |
|
|
* Side effects: |
|
|
* Smooth methods are removed. |
|
|
* |
|
|
*---------------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
static void |
|
|
SmoothMethodCleanupProc(clientData, interp) |
|
|
ClientData clientData; /* Points to "smoothMethod" AssocData |
|
|
* for the interpreter. */ |
|
|
Tcl_Interp *interp; /* Interpreter that is being deleted. */ |
|
|
{ |
|
|
SmoothAssocData *ptr, *methods = (SmoothAssocData *) clientData; |
|
|
|
|
|
while (methods != NULL) { |
|
|
methods = (ptr = methods)->nextPtr; |
|
|
ckfree((char *) ptr); |
|
|
} |
|
|
} |
|
|
/* |
|
|
*-------------------------------------------------------------- |
|
|
* |
|
|
* TkSmoothParseProc -- |
|
|
* |
|
|
* This procedure is invoked during option processing to handle |
|
|
* the "-smooth" option. |
|
|
* |
|
|
* Results: |
|
|
* A standard Tcl return value. |
|
|
* |
|
|
* Side effects: |
|
|
* The smooth option for a given item gets replaced by the value |
|
|
* indicated in the value argument. |
|
|
* |
|
|
*-------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
int |
|
|
TkSmoothParseProc(clientData, interp, tkwin, value, widgRec, offset) |
|
|
ClientData clientData; /* some flags.*/ |
|
|
Tcl_Interp *interp; /* Used for reporting errors. */ |
|
|
Tk_Window tkwin; /* Window containing canvas widget. */ |
|
|
CONST char *value; /* Value of option. */ |
|
|
char *widgRec; /* Pointer to record for item. */ |
|
|
int offset; /* Offset into item. */ |
|
|
{ |
|
|
register Tk_SmoothMethod **smoothPtr = |
|
|
(Tk_SmoothMethod **) (widgRec + offset); |
|
|
Tk_SmoothMethod *smooth = NULL; |
|
|
int b; |
|
|
size_t length; |
|
|
SmoothAssocData *methods; |
|
|
|
|
|
if (value == NULL || *value == 0) { |
|
|
*smoothPtr = (Tk_SmoothMethod *) NULL; |
|
|
return TCL_OK; |
|
|
} |
|
|
length = strlen(value); |
|
|
methods = (SmoothAssocData *) Tcl_GetAssocData(interp, "smoothMethod", |
|
|
(Tcl_InterpDeleteProc **) NULL); |
|
|
while (methods != (SmoothAssocData *) NULL) { |
|
|
if (strncmp(value, methods->smooth.name, length) == 0) { |
|
|
if (smooth != (Tk_SmoothMethod *) NULL) { |
|
|
Tcl_AppendResult(interp, "ambigeous smooth method \"", value, |
|
|
"\"", (char *) NULL); |
|
|
return TCL_ERROR; |
|
|
} |
|
|
smooth = &methods->smooth; |
|
|
} |
|
|
methods = methods->nextPtr; |
|
|
} |
|
|
if (smooth) { |
|
|
*smoothPtr = smooth; |
|
|
return TCL_OK; |
|
|
} |
|
|
|
|
|
if (Tcl_GetBoolean(interp, (char *) value, &b) != TCL_OK) { |
|
|
return TCL_ERROR; |
|
|
} |
|
|
*smoothPtr = b ? &tkBezierSmoothMethod : (Tk_SmoothMethod*) NULL; |
|
|
return TCL_OK; |
|
|
} |
|
|
/* |
|
|
*-------------------------------------------------------------- |
|
|
* |
|
|
* TkSmoothPrintProc -- |
|
|
* |
|
|
* This procedure is invoked by the Tk configuration code |
|
|
* to produce a printable string for the "-smooth" |
|
|
* configuration option. |
|
|
* |
|
|
* Results: |
|
|
* The return value is a string describing the smooth option for |
|
|
* the item referred to by "widgRec". In addition, *freeProcPtr |
|
|
* is filled in with the address of a procedure to call to free |
|
|
* the result string when it's no longer needed (or NULL to |
|
|
* indicate that the string doesn't need to be freed). |
|
|
* |
|
|
* Side effects: |
|
|
* None. |
|
|
* |
|
|
*-------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
char * |
|
|
TkSmoothPrintProc(clientData, tkwin, widgRec, offset, freeProcPtr) |
|
|
ClientData clientData; /* Ignored. */ |
|
|
Tk_Window tkwin; /* Window containing canvas widget. */ |
|
|
char *widgRec; /* Pointer to record for item. */ |
|
|
int offset; /* Offset into item. */ |
|
|
Tcl_FreeProc **freeProcPtr; /* Pointer to variable to fill in with |
|
|
* information about how to reclaim |
|
|
* storage for return string. */ |
|
|
{ |
|
|
register Tk_SmoothMethod **smoothPtr = (Tk_SmoothMethod **) (widgRec + offset); |
|
|
|
|
|
return (*smoothPtr) ? (*smoothPtr)->name : "0"; |
|
|
} |
|
|
/* |
|
|
*-------------------------------------------------------------- |
|
|
* |
|
|
* Tk_GetDash |
|
|
* |
|
|
* This procedure is used to parse a string, assuming |
|
|
* it is dash information. |
|
|
* |
|
|
* Results: |
|
|
* The return value is a standard Tcl result: TCL_OK means |
|
|
* that the dash information was parsed ok, and |
|
|
* TCL_ERROR means it couldn't be parsed. |
|
|
* |
|
|
* Side effects: |
|
|
* Dash information in the dash structure is updated. |
|
|
* |
|
|
*-------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
int |
|
|
Tk_GetDash(interp, value, dash) |
|
|
Tcl_Interp *interp; /* Used for error reporting. */ |
|
|
CONST char *value; /* Textual specification of dash list. */ |
|
|
Tk_Dash *dash; /* Pointer to record in which to |
|
|
* store dash information. */ |
|
|
{ |
|
|
int argc, i; |
|
|
char **largv, **argv = NULL; |
|
|
char *pt; |
|
|
|
|
|
if ((value==(char *) NULL) || (*value==0) ) { |
|
|
dash->number = 0; |
|
|
return TCL_OK; |
|
|
} |
|
|
if ((*value == '.') || (*value == ',') || |
|
|
(*value == '-') || (*value == '_')) { |
|
|
i = DashConvert((char *) NULL, value, -1, 0.0); |
|
|
if (i>0) { |
|
|
i = strlen(value); |
|
|
} else { |
|
|
goto badDashList; |
|
|
} |
|
|
if (i > sizeof(char *)) { |
|
|
dash->pattern.pt = pt = (char *) ckalloc(strlen(value)); |
|
|
} else { |
|
|
pt = dash->pattern.array; |
|
|
} |
|
|
memcpy(pt,value, (unsigned int) i); |
|
|
dash->number = -i; |
|
|
return TCL_OK; |
|
|
} |
|
|
if (Tcl_SplitList(interp, (char *) value, &argc, &argv) != TCL_OK) { |
|
|
Tcl_ResetResult(interp); |
|
|
badDashList: |
|
|
Tcl_AppendResult(interp, "bad dash list \"", value, |
|
|
"\": must be a list of integers or a format like \"-..\"", |
|
|
(char *) NULL); |
|
|
syntaxError: |
|
|
if (argv != NULL) { |
|
|
ckfree((char *) argv); |
|
|
} |
|
|
if (ABS(dash->number) > sizeof(char *)) |
|
|
ckfree((char *) dash->pattern.pt); |
|
|
dash->number = 0; |
|
|
return TCL_ERROR; |
|
|
} |
|
|
|
|
|
if (ABS(dash->number) > sizeof(char *)) { |
|
|
ckfree((char *) dash->pattern.pt); |
|
|
} |
|
|
if (argc > sizeof(char *)) { |
|
|
dash->pattern.pt = pt = (char *) ckalloc((unsigned int) argc); |
|
|
} else { |
|
|
pt = dash->pattern.array; |
|
|
} |
|
|
dash->number = argc; |
|
|
|
|
|
largv = argv; |
|
|
while(argc>0) { |
|
|
if (Tcl_GetInt(interp, *largv, &i) != TCL_OK || |
|
|
i < 1 || i>255) { |
|
|
Tcl_ResetResult(interp); |
|
|
Tcl_AppendResult(interp, "expected integer in the range 1..255 but got \"", |
|
|
*largv, "\"", (char *) NULL); |
|
|
goto syntaxError; |
|
|
} |
|
|
*pt++ = i; |
|
|
argc--; largv++; |
|
|
} |
|
|
|
|
|
if (argv != NULL) { |
|
|
ckfree((char *) argv); |
|
|
} |
|
|
|
|
|
return TCL_OK; |
|
|
} |
|
|
|
|
|
/* |
|
|
*-------------------------------------------------------------- |
|
|
* |
|
|
* Tk_CreateOutline |
|
|
* |
|
|
* This procedure initializes the Tk_Outline structure |
|
|
* with default values. |
|
|
* |
|
|
* Results: |
|
|
* None |
|
|
* |
|
|
* Side effects: |
|
|
* None |
|
|
* |
|
|
*-------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
void Tk_CreateOutline(outline) |
|
|
Tk_Outline *outline; |
|
|
{ |
|
|
outline->gc = None; |
|
|
outline->width = 1.0; |
|
|
outline->activeWidth = 0.0; |
|
|
outline->disabledWidth = 0.0; |
|
|
outline->offset = 0; |
|
|
outline->dash.number = 0; |
|
|
outline->activeDash.number = 0; |
|
|
outline->disabledDash.number = 0; |
|
|
outline->tsoffset.flags = 0; |
|
|
outline->tsoffset.xoffset = 0; |
|
|
outline->tsoffset.yoffset = 0; |
|
|
outline->color = NULL; |
|
|
outline->activeColor = NULL; |
|
|
outline->disabledColor = NULL; |
|
|
outline->stipple = None; |
|
|
outline->activeStipple = None; |
|
|
outline->disabledStipple = None; |
|
|
} |
|
|
|
|
|
/* |
|
|
*-------------------------------------------------------------- |
|
|
* |
|
|
* Tk_DeleteOutline |
|
|
* |
|
|
* This procedure frees all memory that might be |
|
|
* allocated and referenced in the Tk_Outline structure. |
|
|
* |
|
|
* Results: |
|
|
* None |
|
|
* |
|
|
* Side effects: |
|
|
* None |
|
|
* |
|
|
*-------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
void Tk_DeleteOutline(display, outline) |
|
|
Display *display; /* Display containing window */ |
|
|
Tk_Outline *outline; |
|
|
{ |
|
|
if (outline->gc != None) { |
|
|
Tk_FreeGC(display, outline->gc); |
|
|
} |
|
|
if (ABS(outline->dash.number) > sizeof(char *)) { |
|
|
ckfree((char *) outline->dash.pattern.pt); |
|
|
} |
|
|
if (ABS(outline->activeDash.number) > sizeof(char *)) { |
|
|
ckfree((char *) outline->activeDash.pattern.pt); |
|
|
} |
|
|
if (ABS(outline->disabledDash.number) > sizeof(char *)) { |
|
|
ckfree((char *) outline->disabledDash.pattern.pt); |
|
|
} |
|
|
if (outline->color != NULL) { |
|
|
Tk_FreeColor(outline->color); |
|
|
} |
|
|
if (outline->activeColor != NULL) { |
|
|
Tk_FreeColor(outline->activeColor); |
|
|
} |
|
|
if (outline->disabledColor != NULL) { |
|
|
Tk_FreeColor(outline->disabledColor); |
|
|
} |
|
|
if (outline->stipple != None) { |
|
|
Tk_FreeBitmap(display, outline->stipple); |
|
|
} |
|
|
if (outline->activeStipple != None) { |
|
|
Tk_FreeBitmap(display, outline->activeStipple); |
|
|
} |
|
|
if (outline->disabledStipple != None) { |
|
|
Tk_FreeBitmap(display, outline->disabledStipple); |
|
|
} |
|
|
} |
|
|
|
|
|
/* |
|
|
*-------------------------------------------------------------- |
|
|
* |
|
|
* Tk_ConfigOutlineGC |
|
|
* |
|
|
* This procedure should be called in the canvas object |
|
|
* during the configure command. The graphics context |
|
|
* description in gcValues is updated according to the |
|
|
* information in the dash structure, as far as possible. |
|
|
* |
|
|
* Results: |
|
|
* The return-value is a mask, indicating which |
|
|
* elements of gcValues have been updated. |
|
|
* 0 means there is no outline. |
|
|
* |
|
|
* Side effects: |
|
|
* GC information in gcValues is updated. |
|
|
* |
|
|
*-------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
int Tk_ConfigOutlineGC(gcValues, canvas, item, outline) |
|
|
XGCValues *gcValues; |
|
|
Tk_Canvas canvas; |
|
|
Tk_Item *item; |
|
|
Tk_Outline *outline; |
|
|
{ |
|
|
int mask = 0; |
|
|
double width; |
|
|
Tk_Dash *dash; |
|
|
XColor *color; |
|
|
Pixmap stipple; |
|
|
Tk_State state = item->state; |
|
|
|
|
|
if (outline->width < 0.0) { |
|
|
outline->width = 0.0; |
|
|
} |
|
|
if (outline->activeWidth < 0.0) { |
|
|
outline->activeWidth = 0.0; |
|
|
} |
|
|
if (outline->disabledWidth < 0) { |
|
|
outline->disabledWidth = 0.0; |
|
|
} |
|
|
if (state==TK_STATE_HIDDEN) { |
|
|
return 0; |
|
|
} |
|
|
|
|
|
width = outline->width; |
|
|
if (width < 1.0) { |
|
|
width = 1.0; |
|
|
} |
|
|
dash = &(outline->dash); |
|
|
color = outline->color; |
|
|
stipple = outline->stipple; |
|
|
if (state == TK_STATE_NULL) { |
|
|
state = ((TkCanvas *)canvas)->canvas_state; |
|
|
} |
|
|
if (((TkCanvas *)canvas)->currentItemPtr == item) { |
|
|
if (outline->activeWidth>width) { |
|
|
width = outline->activeWidth; |
|
|
} |
|
|
if (outline->activeDash.number != 0) { |
|
|
dash = &(outline->activeDash); |
|
|
} |
|
|
if (outline->activeColor!=NULL) { |
|
|
color = outline->activeColor; |
|
|
} |
|
|
if (outline->activeStipple!=None) { |
|
|
stipple = outline->activeStipple; |
|
|
} |
|
|
} else if (state==TK_STATE_DISABLED) { |
|
|
if (outline->disabledWidth>0) { |
|
|
width = outline->disabledWidth; |
|
|
} |
|
|
if (outline->disabledDash.number != 0) { |
|
|
dash = &(outline->disabledDash); |
|
|
} |
|
|
if (outline->disabledColor!=NULL) { |
|
|
color = outline->disabledColor; |
|
|
} |
|
|
if (outline->disabledStipple!=None) { |
|
|
stipple = outline->disabledStipple; |
|
|
} |
|
|
} |
|
|
|
|
|
if (color==NULL) { |
|
|
return 0; |
|
|
} |
|
|
|
|
|
gcValues->line_width = (int) (width + 0.5); |
|
|
if (color != NULL) { |
|
|
gcValues->foreground = color->pixel; |
|
|
mask = GCForeground|GCLineWidth; |
|
|
if (stipple != None) { |
|
|
gcValues->stipple = stipple; |
|
|
gcValues->fill_style = FillStippled; |
|
|
mask |= GCStipple|GCFillStyle; |
|
|
} |
|
|
} |
|
|
if (mask && (dash->number != 0)) { |
|
|
gcValues->line_style = LineOnOffDash; |
|
|
gcValues->dash_offset = outline->offset; |
|
|
if (dash->number >= 2) { |
|
|
gcValues->dashes = 4; |
|
|
} else if (dash->number > 0) { |
|
|
gcValues->dashes = dash->pattern.array[0]; |
|
|
} else { |
|
|
gcValues->dashes = (char) (4 * width); |
|
|
} |
|
|
mask |= GCLineStyle|GCDashList|GCDashOffset; |
|
|
} |
|
|
return mask; |
|
|
} |
|
|
|
|
|
/* |
|
|
*-------------------------------------------------------------- |
|
|
* |
|
|
* Tk_ChangeOutlineGC |
|
|
* |
|
|
* Updates the GC to represent the full information of |
|
|
* the dash structure. Partly this is already done in |
|
|
* Tk_ConfigOutlineGC(). |
|
|
* This function should be called just before drawing |
|
|
* the dashed item. |
|
|
* |
|
|
* Results: |
|
|
* 1 if there is a stipple pattern. |
|
|
* 0 otherwise. |
|
|
* |
|
|
* Side effects: |
|
|
* GC is updated. |
|
|
* |
|
|
*-------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
int |
|
|
Tk_ChangeOutlineGC(canvas, item, outline) |
|
|
Tk_Canvas canvas; |
|
|
Tk_Item *item; |
|
|
Tk_Outline *outline; |
|
|
{ |
|
|
CONST char *p; |
|
|
double width; |
|
|
Tk_Dash *dash; |
|
|
XColor *color; |
|
|
Pixmap stipple; |
|
|
Tk_State state = item->state; |
|
|
|
|
|
width = outline->width; |
|
|
if (width < 1.0) { |
|
|
width = 1.0; |
|
|
} |
|
|
dash = &(outline->dash); |
|
|
color = outline->color; |
|
|
stipple = outline->stipple; |
|
|
if (state == TK_STATE_NULL) { |
|
|
state = ((TkCanvas *)canvas)->canvas_state; |
|
|
} |
|
|
if (((TkCanvas *)canvas)->currentItemPtr == item) { |
|
|
if (outline->activeWidth > width) { |
|
|
width = outline->activeWidth; |
|
|
} |
|
|
if (outline->activeDash.number != 0) { |
|
|
dash = &(outline->activeDash); |
|
|
} |
|
|
if (outline->activeColor != NULL) { |
|
|
color = outline->activeColor; |
|
|
} |
|
|
if (outline->activeStipple != None) { |
|
|
stipple = outline->activeStipple; |
|
|
} |
|
|
} else if (state == TK_STATE_DISABLED) { |
|
|
if (outline->disabledWidth > width) { |
|
|
width = outline->disabledWidth; |
|
|
} |
|
|
if (outline->disabledDash.number != 0) { |
|
|
dash = &(outline->disabledDash); |
|
|
} |
|
|
if (outline->disabledColor != NULL) { |
|
|
color = outline->disabledColor; |
|
|
} |
|
|
if (outline->disabledStipple != None) { |
|
|
stipple = outline->disabledStipple; |
|
|
} |
|
|
} |
|
|
if (color==NULL) { |
|
|
return 0; |
|
|
} |
|
|
|
|
|
if ((dash->number<-1) || ((dash->number == -1) && (dash->pattern.array[1]!=','))) { |
|
|
char *q; |
|
|
int i = -dash->number; |
|
|
|
|
|
p = (i > sizeof(char *)) ? dash->pattern.pt : dash->pattern.array; |
|
|
q = (char *) ckalloc(2*(unsigned int)i); |
|
|
i = DashConvert(q, p, i, width); |
|
|
XSetDashes(((TkCanvas *)canvas)->display, outline->gc, outline->offset, q, i); |
|
|
ckfree(q); |
|
|
} else if ( dash->number>2 || (dash->number==2 && |
|
|
(dash->pattern.array[0]!=dash->pattern.array[1]))) { |
|
|
p = (char *) (dash->number > sizeof(char *)) ? dash->pattern.pt : dash->pattern.array; |
|
|
XSetDashes(((TkCanvas *)canvas)->display, outline->gc, outline->offset, p, dash->number); |
|
|
} |
|
|
if (stipple!=None) { |
|
|
int w=0; int h=0; |
|
|
Tk_TSOffset *tsoffset = &outline->tsoffset; |
|
|
int flags = tsoffset->flags; |
|
|
if (!(flags & TK_OFFSET_INDEX) && (flags & (TK_OFFSET_CENTER|TK_OFFSET_MIDDLE))) { |
|
|
Tk_SizeOfBitmap(((TkCanvas *)canvas)->display, stipple, &w, &h); |
|
|
if (flags & TK_OFFSET_CENTER) { |
|
|
w /= 2; |
|
|
} else { |
|
|
w = 0; |
|
|
} |
|
|
if (flags & TK_OFFSET_MIDDLE) { |
|
|
h /= 2; |
|
|
} else { |
|
|
h = 0; |
|
|
} |
|
|
} |
|
|
tsoffset->xoffset -= w; |
|
|
tsoffset->yoffset -= h; |
|
|
Tk_CanvasSetOffset(canvas, outline->gc, tsoffset); |
|
|
tsoffset->xoffset += w; |
|
|
tsoffset->yoffset += h; |
|
|
return 1; |
|
|
} |
|
|
return 0; |
|
|
} |
|
|
|
|
|
|
|
|
/* |
|
|
*-------------------------------------------------------------- |
|
|
* |
|
|
* Tk_ResetOutlineGC |
|
|
* |
|
|
* Restores the GC to the situation before |
|
|
* Tk_ChangeDashGC() was called. |
|
|
* This function should be called just after the dashed |
|
|
* item is drawn, because the GC is supposed to be |
|
|
* read-only. |
|
|
* |
|
|
* Results: |
|
|
* 1 if there is a stipple pattern. |
|
|
* 0 otherwise. |
|
|
* |
|
|
* Side effects: |
|
|
* GC is updated. |
|
|
* |
|
|
*-------------------------------------------------------------- |
|
|
*/ |
|
|
int |
|
|
Tk_ResetOutlineGC(canvas, item, outline) |
|
|
Tk_Canvas canvas; |
|
|
Tk_Item *item; |
|
|
Tk_Outline *outline; |
|
|
{ |
|
|
char dashList; |
|
|
double width; |
|
|
Tk_Dash *dash; |
|
|
XColor *color; |
|
|
Pixmap stipple; |
|
|
Tk_State state = item->state; |
|
|
|
|
|
width = outline->width; |
|
|
if (width < 1.0) { |
|
|
width = 1.0; |
|
|
} |
|
|
dash = &(outline->dash); |
|
|
color = outline->color; |
|
|
stipple = outline->stipple; |
|
|
if (state == TK_STATE_NULL) { |
|
|
state = ((TkCanvas *)canvas)->canvas_state; |
|
|
} |
|
|
if (((TkCanvas *)canvas)->currentItemPtr == item) { |
|
|
if (outline->activeWidth>width) { |
|
|
width = outline->activeWidth; |
|
|
} |
|
|
if (outline->activeDash.number != 0) { |
|
|
dash = &(outline->activeDash); |
|
|
} |
|
|
if (outline->activeColor!=NULL) { |
|
|
color = outline->activeColor; |
|
|
} |
|
|
if (outline->activeStipple!=None) { |
|
|
stipple = outline->activeStipple; |
|
|
} |
|
|
} else if (state==TK_STATE_DISABLED) { |
|
|
if (outline->disabledWidth>width) { |
|
|
width = outline->disabledWidth; |
|
|
} |
|
|
if (outline->disabledDash.number != 0) { |
|
|
dash = &(outline->disabledDash); |
|
|
} |
|
|
if (outline->disabledColor!=NULL) { |
|
|
color = outline->disabledColor; |
|
|
} |
|
|
if (outline->disabledStipple!=None) { |
|
|
stipple = outline->disabledStipple; |
|
|
} |
|
|
} |
|
|
if (color==NULL) { |
|
|
return 0; |
|
|
} |
|
|
|
|
|
if ((dash->number > 2) || (dash->number < -1) || (dash->number==2 && |
|
|
(dash->pattern.array[0] != dash->pattern.array[1])) || |
|
|
((dash->number == -1) && (dash->pattern.array[1] != ','))) { |
|
|
if (dash->number < 0) { |
|
|
dashList = (int) (4 * width + 0.5); |
|
|
} else if (dash->number<3) { |
|
|
dashList = dash->pattern.array[0]; |
|
|
} else { |
|
|
dashList = 4; |
|
|
} |
|
|
XSetDashes(((TkCanvas *)canvas)->display, outline->gc, |
|
|
outline->offset, &dashList , 1); |
|
|
} |
|
|
if (stipple != None) { |
|
|
XSetTSOrigin(((TkCanvas *)canvas)->display, outline->gc, 0, 0); |
|
|
return 1; |
|
|
} |
|
|
return 0; |
|
|
} |
|
|
|
|
|
|
|
|
/* |
|
|
*-------------------------------------------------------------- |
|
|
* |
|
|
* Tk_CanvasPsOutline |
|
|
* |
|
|
* Creates the postscript command for the correct |
|
|
* Outline-information (width, dash, color and stipple). |
|
|
* |
|
|
* Results: |
|
|
* TCL_OK if succeeded, otherwise TCL_ERROR. |
|
|
* |
|
|
* Side effects: |
|
|
* canvas->interp->result contains the postscript string, |
|
|
* or an error message if the result was TCL_ERROR. |
|
|
* |
|
|
*-------------------------------------------------------------- |
|
|
*/ |
|
|
int |
|
|
Tk_CanvasPsOutline(canvas, item, outline) |
|
|
Tk_Canvas canvas; |
|
|
Tk_Item *item; |
|
|
Tk_Outline *outline; |
|
|
{ |
|
|
char string[41]; |
|
|
char pattern[11]; |
|
|
int i; |
|
|
char *ptr; |
|
|
char *str = string; |
|
|
char *lptr = pattern; |
|
|
Tcl_Interp *interp = ((TkCanvas *)canvas)->interp; |
|
|
double width; |
|
|
Tk_Dash *dash; |
|
|
XColor *color; |
|
|
Pixmap stipple; |
|
|
Tk_State state = item->state; |
|
|
|
|
|
width = outline->width; |
|
|
dash = &(outline->dash); |
|
|
color = outline->color; |
|
|
stipple = outline->stipple; |
|
|
if (state == TK_STATE_NULL) { |
|
|
state = ((TkCanvas *)canvas)->canvas_state; |
|
|
} |
|
|
if (((TkCanvas *)canvas)->currentItemPtr == item) { |
|
|
if (outline->activeWidth > width) { |
|
|
width = outline->activeWidth; |
|
|
} |
|
|
if (outline->activeDash.number > 0) { |
|
|
dash = &(outline->activeDash); |
|
|
} |
|
|
if (outline->activeColor != NULL) { |
|
|
color = outline->activeColor; |
|
|
} |
|
|
if (outline->activeStipple != None) { |
|
|
stipple = outline->activeStipple; |
|
|
} |
|
|
} else if (state == TK_STATE_DISABLED) { |
|
|
if (outline->disabledWidth > 0) { |
|
|
width = outline->disabledWidth; |
|
|
} |
|
|
if (outline->disabledDash.number > 0) { |
|
|
dash = &(outline->disabledDash); |
|
|
} |
|
|
if (outline->disabledColor != NULL) { |
|
|
color = outline->disabledColor; |
|
|
} |
|
|
if (outline->disabledStipple != None) { |
|
|
stipple = outline->disabledStipple; |
|
|
} |
|
|
} |
|
|
sprintf(string, "%.15g setlinewidth\n", width); |
|
|
Tcl_AppendResult(interp, string, (char *) NULL); |
|
|
|
|
|
if (dash->number > 10) { |
|
|
str = (char *)ckalloc((unsigned int) (1 + 4*dash->number)); |
|
|
} else if (dash->number < -5) { |
|
|
str = (char *)ckalloc((unsigned int) (1 - 8*dash->number)); |
|
|
lptr = (char *)ckalloc((unsigned int) (1 - 2*dash->number)); |
|
|
} |
|
|
ptr = (char *) ((ABS(dash->number) > sizeof(char *)) ) ? |
|
|
dash->pattern.pt : dash->pattern.array; |
|
|
if (dash->number > 0) { |
|
|
char *ptr0 = ptr; |
|
|
sprintf(str, "[%d", *ptr++ & 0xff); |
|
|
i = dash->number-1; |
|
|
while (i--) { |
|
|
sprintf(str+strlen(str), " %d", *ptr++ & 0xff); |
|
|
} |
|
|
Tcl_AppendResult(interp, str, (char *)NULL); |
|
|
if (dash->number&1) { |
|
|
Tcl_AppendResult(interp, " ", str+1, (char *)NULL); |
|
|
} |
|
|
sprintf(str, "] %d setdash\n", outline->offset); |
|
|
Tcl_AppendResult(interp, str, (char *)NULL); |
|
|
ptr = ptr0; |
|
|
} else if (dash->number < 0) { |
|
|
if ((i = DashConvert(lptr, ptr, -dash->number, width)) != 0) { |
|
|
char *lptr0 = lptr; |
|
|
sprintf(str, "[%d", *lptr++ & 0xff); |
|
|
while (--i) { |
|
|
sprintf(str+strlen(str), " %d", *lptr++ & 0xff); |
|
|
} |
|
|
Tcl_AppendResult(interp, str, (char *)NULL); |
|
|
sprintf(str, "] %d setdash\n", outline->offset); |
|
|
Tcl_AppendResult(interp, str, (char *)NULL); |
|
|
lptr = lptr0; |
|
|
} else { |
|
|
Tcl_AppendResult(interp, "[] 0 setdash\n", (char *)NULL); |
|
|
} |
|
|
} else { |
|
|
Tcl_AppendResult(interp, "[] 0 setdash\n", (char *)NULL); |
|
|
} |
|
|
if (str != string) { |
|
|
ckfree(str); |
|
|
} |
|
|
if (lptr != pattern) { |
|
|
ckfree(lptr); |
|
|
} |
|
|
if (Tk_CanvasPsColor(interp, canvas, color) != TCL_OK) { |
|
|
return TCL_ERROR; |
|
|
} |
|
|
if (stipple != None) { |
|
|
Tcl_AppendResult(interp, "StrokeClip ", (char *) NULL); |
|
|
if (Tk_CanvasPsStipple(interp, canvas, stipple) != TCL_OK) { |
|
|
return TCL_ERROR; |
|
|
} |
|
|
} else { |
|
|
Tcl_AppendResult(interp, "stroke\n", (char *) NULL); |
|
|
} |
|
|
|
|
|
return TCL_OK; |
|
|
} |
|
|
|
|
|
|
|
|
/* |
|
|
*-------------------------------------------------------------- |
|
|
* |
|
|
* DashConvert |
|
|
* |
|
|
* Converts a character-like dash-list (e.g. "-..") |
|
|
* into an X11-style. l must point to a string that |
|
|
* holds room to at least 2*n characters. if |
|
|
* l == NULL, this function can be used for |
|
|
* syntax checking only. |
|
|
* |
|
|
* Results: |
|
|
* The length of the resulting X11 compatible |
|
|
* dash-list. -1 if failed. |
|
|
* |
|
|
* Side effects: |
|
|
* None |
|
|
* |
|
|
*-------------------------------------------------------------- |
|
|
*/ |
|
|
|
|
|
static int |
|
|
DashConvert (l, p, n, width) |
|
|
char *l; |
|
|
CONST char *p; |
|
|
int n; |
|
|
double width; |
|
|
{ |
|
|
int result = 0; |
|
|
int size, intWidth; |
|
|
|
|
|
if (n<0) { |
|
|
n = strlen(p); |
|
|
} |
|
|
intWidth = (int) (width + 0.5); |
|
|
if (intWidth < 1) { |
|
|
intWidth = 1; |
|
|
} |
|
|
while (n-- && *p) { |
|
|
switch (*p++) { |
|
|
case ' ': |
|
|
if (result) { |
|
|
if (l) { |
|
|
l[-1] += intWidth + 1; |
|
|
} |
|
|
continue; |
|
|
} else { |
|
|
return 0; |
|
|
} |
|
|
break; |
|
|
case '_': |
|
|
size = 8; |
|
|
break; |
|
|
case '-': |
|
|
size = 6; |
|
|
break; |
|
|
case ',': |
|
|
size = 4; |
|
|
break; |
|
|
case '.': |
|
|
size = 2; |
|
|
break; |
|
|
default: |
|
|
return -1; |
|
|
} |
|
|
if (l) { |
|
|
*l++ = size * intWidth; |
|
|
*l++ = 4 * intWidth; |
|
|
} |
|
|
result += 2; |
|
|
} |
|
|
return result; |
|
|
} |
|
|
|
|
|
|
|
|
/* $History: tkCanvUtil.c $ |
|
|
* |
|
|
* ***************** Version 1 ***************** |
|
|
* User: Dtashley Date: 1/02/01 Time: 2:42a |
|
|
* Created in $/IjuScripter, IjuConsole/Source/Tk Base |
|
|
* Initial check-in. |
|
|
*/ |
|
|
|
|
|
/* End of TKCANVUTIL.C */ |
|
| 1 |
|
/* $Header$ */ |
| 2 |
|
|
| 3 |
|
/* |
| 4 |
|
* tkCanvUtil.c -- |
| 5 |
|
* |
| 6 |
|
* This procedure contains a collection of utility procedures |
| 7 |
|
* used by the implementations of various canvas item types. |
| 8 |
|
* |
| 9 |
|
* Copyright (c) 1994 Sun Microsystems, Inc. |
| 10 |
|
* Copyright (c) 1994 Sun Microsystems, Inc. |
| 11 |
|
* |
| 12 |
|
* See the file "license.terms" for information on usage and redistribution |
| 13 |
|
* of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
| 14 |
|
* |
| 15 |
|
* RCS: @(#) $Id: tkcanvutil.c,v 1.1.1.1 2001/06/13 04:57:52 dtashley Exp $ |
| 16 |
|
*/ |
| 17 |
|
|
| 18 |
|
#include "tkInt.h" |
| 19 |
|
#include "tkCanvas.h" |
| 20 |
|
#include "tkPort.h" |
| 21 |
|
|
| 22 |
|
|
| 23 |
|
/* |
| 24 |
|
*---------------------------------------------------------------------- |
| 25 |
|
* |
| 26 |
|
* Tk_CanvasTkwin -- |
| 27 |
|
* |
| 28 |
|
* Given a token for a canvas, this procedure returns the |
| 29 |
|
* widget that represents the canvas. |
| 30 |
|
* |
| 31 |
|
* Results: |
| 32 |
|
* The return value is a handle for the widget. |
| 33 |
|
* |
| 34 |
|
* Side effects: |
| 35 |
|
* None. |
| 36 |
|
* |
| 37 |
|
*---------------------------------------------------------------------- |
| 38 |
|
*/ |
| 39 |
|
|
| 40 |
|
Tk_Window |
| 41 |
|
Tk_CanvasTkwin(canvas) |
| 42 |
|
Tk_Canvas canvas; /* Token for the canvas. */ |
| 43 |
|
{ |
| 44 |
|
TkCanvas *canvasPtr = (TkCanvas *) canvas; |
| 45 |
|
return canvasPtr->tkwin; |
| 46 |
|
} |
| 47 |
|
|
| 48 |
|
/* |
| 49 |
|
*---------------------------------------------------------------------- |
| 50 |
|
* |
| 51 |
|
* Tk_CanvasDrawableCoords -- |
| 52 |
|
* |
| 53 |
|
* Given an (x,y) coordinate pair within a canvas, this procedure |
| 54 |
|
* returns the corresponding coordinates at which the point should |
| 55 |
|
* be drawn in the drawable used for display. |
| 56 |
|
* |
| 57 |
|
* Results: |
| 58 |
|
* There is no return value. The values at *drawableXPtr and |
| 59 |
|
* *drawableYPtr are filled in with the coordinates at which |
| 60 |
|
* x and y should be drawn. These coordinates are clipped |
| 61 |
|
* to fit within a "short", since this is what X uses in |
| 62 |
|
* most cases for drawing. |
| 63 |
|
* |
| 64 |
|
* Side effects: |
| 65 |
|
* None. |
| 66 |
|
* |
| 67 |
|
*---------------------------------------------------------------------- |
| 68 |
|
*/ |
| 69 |
|
|
| 70 |
|
void |
| 71 |
|
Tk_CanvasDrawableCoords(canvas, x, y, drawableXPtr, drawableYPtr) |
| 72 |
|
Tk_Canvas canvas; /* Token for the canvas. */ |
| 73 |
|
double x, y; /* Coordinates in canvas space. */ |
| 74 |
|
short *drawableXPtr, *drawableYPtr; /* Screen coordinates are stored |
| 75 |
|
* here. */ |
| 76 |
|
{ |
| 77 |
|
TkCanvas *canvasPtr = (TkCanvas *) canvas; |
| 78 |
|
double tmp; |
| 79 |
|
|
| 80 |
|
tmp = x - canvasPtr->drawableXOrigin; |
| 81 |
|
if (tmp > 0) { |
| 82 |
|
tmp += 0.5; |
| 83 |
|
} else { |
| 84 |
|
tmp -= 0.5; |
| 85 |
|
} |
| 86 |
|
if (tmp > 32767) { |
| 87 |
|
*drawableXPtr = 32767; |
| 88 |
|
} else if (tmp < -32768) { |
| 89 |
|
*drawableXPtr = -32768; |
| 90 |
|
} else { |
| 91 |
|
*drawableXPtr = (short) tmp; |
| 92 |
|
} |
| 93 |
|
|
| 94 |
|
tmp = y - canvasPtr->drawableYOrigin; |
| 95 |
|
if (tmp > 0) { |
| 96 |
|
tmp += 0.5; |
| 97 |
|
} else { |
| 98 |
|
tmp -= 0.5; |
| 99 |
|
} |
| 100 |
|
if (tmp > 32767) { |
| 101 |
|
*drawableYPtr = 32767; |
| 102 |
|
} else if (tmp < -32768) { |
| 103 |
|
*drawableYPtr = -32768; |
| 104 |
|
} else { |
| 105 |
|
*drawableYPtr = (short) tmp; |
| 106 |
|
} |
| 107 |
|
} |
| 108 |
|
|
| 109 |
|
/* |
| 110 |
|
*---------------------------------------------------------------------- |
| 111 |
|
* |
| 112 |
|
* Tk_CanvasWindowCoords -- |
| 113 |
|
* |
| 114 |
|
* Given an (x,y) coordinate pair within a canvas, this procedure |
| 115 |
|
* returns the corresponding coordinates in the canvas's window. |
| 116 |
|
* |
| 117 |
|
* Results: |
| 118 |
|
* There is no return value. The values at *screenXPtr and |
| 119 |
|
* *screenYPtr are filled in with the coordinates at which |
| 120 |
|
* (x,y) appears in the canvas's window. These coordinates |
| 121 |
|
* are clipped to fit within a "short", since this is what X |
| 122 |
|
* uses in most cases for drawing. |
| 123 |
|
* |
| 124 |
|
* Side effects: |
| 125 |
|
* None. |
| 126 |
|
* |
| 127 |
|
*---------------------------------------------------------------------- |
| 128 |
|
*/ |
| 129 |
|
|
| 130 |
|
void |
| 131 |
|
Tk_CanvasWindowCoords(canvas, x, y, screenXPtr, screenYPtr) |
| 132 |
|
Tk_Canvas canvas; /* Token for the canvas. */ |
| 133 |
|
double x, y; /* Coordinates in canvas space. */ |
| 134 |
|
short *screenXPtr, *screenYPtr; /* Screen coordinates are stored |
| 135 |
|
* here. */ |
| 136 |
|
{ |
| 137 |
|
TkCanvas *canvasPtr = (TkCanvas *) canvas; |
| 138 |
|
double tmp; |
| 139 |
|
|
| 140 |
|
tmp = x - canvasPtr->xOrigin; |
| 141 |
|
if (tmp > 0) { |
| 142 |
|
tmp += 0.5; |
| 143 |
|
} else { |
| 144 |
|
tmp -= 0.5; |
| 145 |
|
} |
| 146 |
|
if (tmp > 32767) { |
| 147 |
|
*screenXPtr = 32767; |
| 148 |
|
} else if (tmp < -32768) { |
| 149 |
|
*screenXPtr = -32768; |
| 150 |
|
} else { |
| 151 |
|
*screenXPtr = (short) tmp; |
| 152 |
|
} |
| 153 |
|
|
| 154 |
|
tmp = y - canvasPtr->yOrigin; |
| 155 |
|
if (tmp > 0) { |
| 156 |
|
tmp += 0.5; |
| 157 |
|
} else { |
| 158 |
|
tmp -= 0.5; |
| 159 |
|
} |
| 160 |
|
if (tmp > 32767) { |
| 161 |
|
*screenYPtr = 32767; |
| 162 |
|
} else if (tmp < -32768) { |
| 163 |
|
*screenYPtr = -32768; |
| 164 |
|
} else { |
| 165 |
|
*screenYPtr = (short) tmp; |
| 166 |
|
} |
| 167 |
|
} |
| 168 |
|
|
| 169 |
|
/* |
| 170 |
|
*-------------------------------------------------------------- |
| 171 |
|
* |
| 172 |
|
* Tk_CanvasGetCoord -- |
| 173 |
|
* |
| 174 |
|
* Given a string, returns a floating-point canvas coordinate |
| 175 |
|
* corresponding to that string. |
| 176 |
|
* |
| 177 |
|
* Results: |
| 178 |
|
* The return value is a standard Tcl return result. If |
| 179 |
|
* TCL_OK is returned, then everything went well and the |
| 180 |
|
* canvas coordinate is stored at *doublePtr; otherwise |
| 181 |
|
* TCL_ERROR is returned and an error message is left in |
| 182 |
|
* the interp's result. |
| 183 |
|
* |
| 184 |
|
* Side effects: |
| 185 |
|
* None. |
| 186 |
|
* |
| 187 |
|
*-------------------------------------------------------------- |
| 188 |
|
*/ |
| 189 |
|
|
| 190 |
|
int |
| 191 |
|
Tk_CanvasGetCoord(interp, canvas, string, doublePtr) |
| 192 |
|
Tcl_Interp *interp; /* Interpreter for error reporting. */ |
| 193 |
|
Tk_Canvas canvas; /* Canvas to which coordinate applies. */ |
| 194 |
|
char *string; /* Describes coordinate (any screen |
| 195 |
|
* coordinate form may be used here). */ |
| 196 |
|
double *doublePtr; /* Place to store converted coordinate. */ |
| 197 |
|
{ |
| 198 |
|
TkCanvas *canvasPtr = (TkCanvas *) canvas; |
| 199 |
|
if (Tk_GetScreenMM(canvasPtr->interp, canvasPtr->tkwin, string, |
| 200 |
|
doublePtr) != TCL_OK) { |
| 201 |
|
return TCL_ERROR; |
| 202 |
|
} |
| 203 |
|
*doublePtr *= canvasPtr->pixelsPerMM; |
| 204 |
|
return TCL_OK; |
| 205 |
|
} |
| 206 |
|
|
| 207 |
|
/* |
| 208 |
|
*-------------------------------------------------------------- |
| 209 |
|
* |
| 210 |
|
* Tk_CanvasGetCoordFromObj -- |
| 211 |
|
* |
| 212 |
|
* Given a string, returns a floating-point canvas coordinate |
| 213 |
|
* corresponding to that string. |
| 214 |
|
* |
| 215 |
|
* Results: |
| 216 |
|
* The return value is a standard Tcl return result. If |
| 217 |
|
* TCL_OK is returned, then everything went well and the |
| 218 |
|
* canvas coordinate is stored at *doublePtr; otherwise |
| 219 |
|
* TCL_ERROR is returned and an error message is left in |
| 220 |
|
* interp->result. |
| 221 |
|
* |
| 222 |
|
* Side effects: |
| 223 |
|
* None. |
| 224 |
|
* |
| 225 |
|
*-------------------------------------------------------------- |
| 226 |
|
*/ |
| 227 |
|
|
| 228 |
|
int |
| 229 |
|
Tk_CanvasGetCoordFromObj(interp, canvas, obj, doublePtr) |
| 230 |
|
Tcl_Interp *interp; /* Interpreter for error reporting. */ |
| 231 |
|
Tk_Canvas canvas; /* Canvas to which coordinate applies. */ |
| 232 |
|
Tcl_Obj *obj; /* Describes coordinate (any screen |
| 233 |
|
* coordinate form may be used here). */ |
| 234 |
|
double *doublePtr; /* Place to store converted coordinate. */ |
| 235 |
|
{ |
| 236 |
|
TkCanvas *canvasPtr = (TkCanvas *) canvas; |
| 237 |
|
if (Tk_GetMMFromObj(canvasPtr->interp, canvasPtr->tkwin, obj, |
| 238 |
|
doublePtr) != TCL_OK) { |
| 239 |
|
return TCL_ERROR; |
| 240 |
|
} |
| 241 |
|
*doublePtr *= canvasPtr->pixelsPerMM; |
| 242 |
|
return TCL_OK; |
| 243 |
|
} |
| 244 |
|
|
| 245 |
|
/* |
| 246 |
|
*---------------------------------------------------------------------- |
| 247 |
|
* |
| 248 |
|
* Tk_CanvasSetStippleOrigin -- |
| 249 |
|
* |
| 250 |
|
* This procedure sets the stipple origin in a graphics context |
| 251 |
|
* so that stipples drawn with the GC will line up with other |
| 252 |
|
* stipples previously drawn in the canvas. |
| 253 |
|
* |
| 254 |
|
* Results: |
| 255 |
|
* None. |
| 256 |
|
* |
| 257 |
|
* Side effects: |
| 258 |
|
* The graphics context is modified. |
| 259 |
|
* |
| 260 |
|
*---------------------------------------------------------------------- |
| 261 |
|
*/ |
| 262 |
|
|
| 263 |
|
void |
| 264 |
|
Tk_CanvasSetStippleOrigin(canvas, gc) |
| 265 |
|
Tk_Canvas canvas; /* Token for a canvas. */ |
| 266 |
|
GC gc; /* Graphics context that is about to be |
| 267 |
|
* used to draw a stippled pattern as |
| 268 |
|
* part of redisplaying the canvas. */ |
| 269 |
|
|
| 270 |
|
{ |
| 271 |
|
TkCanvas *canvasPtr = (TkCanvas *) canvas; |
| 272 |
|
|
| 273 |
|
XSetTSOrigin(canvasPtr->display, gc, -canvasPtr->drawableXOrigin, |
| 274 |
|
-canvasPtr->drawableYOrigin); |
| 275 |
|
} |
| 276 |
|
|
| 277 |
|
/* |
| 278 |
|
*---------------------------------------------------------------------- |
| 279 |
|
* |
| 280 |
|
* Tk_CanvasSetOffset-- |
| 281 |
|
* |
| 282 |
|
* This procedure sets the stipple offset in a graphics |
| 283 |
|
* context so that stipples drawn with the GC will |
| 284 |
|
* line up with other stipples with the same offset. |
| 285 |
|
* |
| 286 |
|
* Results: |
| 287 |
|
* None. |
| 288 |
|
* |
| 289 |
|
* Side effects: |
| 290 |
|
* The graphics context is modified. |
| 291 |
|
* |
| 292 |
|
*---------------------------------------------------------------------- |
| 293 |
|
*/ |
| 294 |
|
|
| 295 |
|
void |
| 296 |
|
Tk_CanvasSetOffset(canvas, gc, offset) |
| 297 |
|
Tk_Canvas canvas; /* Token for a canvas. */ |
| 298 |
|
GC gc; /* Graphics context that is about to be |
| 299 |
|
* used to draw a stippled pattern as |
| 300 |
|
* part of redisplaying the canvas. */ |
| 301 |
|
Tk_TSOffset *offset; /* offset (may be NULL pointer)*/ |
| 302 |
|
{ |
| 303 |
|
TkCanvas *canvasPtr = (TkCanvas *) canvas; |
| 304 |
|
int flags = 0; |
| 305 |
|
int x = - canvasPtr->drawableXOrigin; |
| 306 |
|
int y = - canvasPtr->drawableYOrigin; |
| 307 |
|
|
| 308 |
|
if (offset != NULL) { |
| 309 |
|
flags = offset->flags; |
| 310 |
|
x += offset->xoffset; |
| 311 |
|
y += offset->yoffset; |
| 312 |
|
} |
| 313 |
|
if ((flags & TK_OFFSET_RELATIVE) && !(flags & TK_OFFSET_INDEX)) { |
| 314 |
|
Tk_SetTSOrigin(canvasPtr->tkwin, gc, x - canvasPtr->xOrigin, |
| 315 |
|
y - canvasPtr->yOrigin); |
| 316 |
|
} else { |
| 317 |
|
XSetTSOrigin(canvasPtr->display, gc, x, y); |
| 318 |
|
} |
| 319 |
|
} |
| 320 |
|
|
| 321 |
|
/* |
| 322 |
|
*---------------------------------------------------------------------- |
| 323 |
|
* |
| 324 |
|
* Tk_CanvasGetTextInfo -- |
| 325 |
|
* |
| 326 |
|
* This procedure returns a pointer to a structure containing |
| 327 |
|
* information about the selection and insertion cursor for |
| 328 |
|
* a canvas widget. Items such as text items save the pointer |
| 329 |
|
* and use it to share access to the information with the generic |
| 330 |
|
* canvas code. |
| 331 |
|
* |
| 332 |
|
* Results: |
| 333 |
|
* The return value is a pointer to the structure holding text |
| 334 |
|
* information for the canvas. Most of the fields should not |
| 335 |
|
* be modified outside the generic canvas code; see the user |
| 336 |
|
* documentation for details. |
| 337 |
|
* |
| 338 |
|
* Side effects: |
| 339 |
|
* None. |
| 340 |
|
* |
| 341 |
|
*---------------------------------------------------------------------- |
| 342 |
|
*/ |
| 343 |
|
|
| 344 |
|
Tk_CanvasTextInfo * |
| 345 |
|
Tk_CanvasGetTextInfo(canvas) |
| 346 |
|
Tk_Canvas canvas; /* Token for the canvas widget. */ |
| 347 |
|
{ |
| 348 |
|
return &((TkCanvas *) canvas)->textInfo; |
| 349 |
|
} |
| 350 |
|
|
| 351 |
|
/* |
| 352 |
|
*-------------------------------------------------------------- |
| 353 |
|
* |
| 354 |
|
* Tk_CanvasTagsParseProc -- |
| 355 |
|
* |
| 356 |
|
* This procedure is invoked during option processing to handle |
| 357 |
|
* "-tags" options for canvas items. |
| 358 |
|
* |
| 359 |
|
* Results: |
| 360 |
|
* A standard Tcl return value. |
| 361 |
|
* |
| 362 |
|
* Side effects: |
| 363 |
|
* The tags for a given item get replaced by those indicated |
| 364 |
|
* in the value argument. |
| 365 |
|
* |
| 366 |
|
*-------------------------------------------------------------- |
| 367 |
|
*/ |
| 368 |
|
|
| 369 |
|
int |
| 370 |
|
Tk_CanvasTagsParseProc(clientData, interp, tkwin, value, widgRec, offset) |
| 371 |
|
ClientData clientData; /* Not used.*/ |
| 372 |
|
Tcl_Interp *interp; /* Used for reporting errors. */ |
| 373 |
|
Tk_Window tkwin; /* Window containing canvas widget. */ |
| 374 |
|
char *value; /* Value of option (list of tag |
| 375 |
|
* names). */ |
| 376 |
|
char *widgRec; /* Pointer to record for item. */ |
| 377 |
|
int offset; /* Offset into item (ignored). */ |
| 378 |
|
{ |
| 379 |
|
register Tk_Item *itemPtr = (Tk_Item *) widgRec; |
| 380 |
|
int argc, i; |
| 381 |
|
char **argv; |
| 382 |
|
Tk_Uid *newPtr; |
| 383 |
|
|
| 384 |
|
/* |
| 385 |
|
* Break the value up into the individual tag names. |
| 386 |
|
*/ |
| 387 |
|
|
| 388 |
|
if (Tcl_SplitList(interp, value, &argc, &argv) != TCL_OK) { |
| 389 |
|
return TCL_ERROR; |
| 390 |
|
} |
| 391 |
|
|
| 392 |
|
/* |
| 393 |
|
* Make sure that there's enough space in the item to hold the |
| 394 |
|
* tag names. |
| 395 |
|
*/ |
| 396 |
|
|
| 397 |
|
if (itemPtr->tagSpace < argc) { |
| 398 |
|
newPtr = (Tk_Uid *) ckalloc((unsigned) (argc * sizeof(Tk_Uid))); |
| 399 |
|
for (i = itemPtr->numTags-1; i >= 0; i--) { |
| 400 |
|
newPtr[i] = itemPtr->tagPtr[i]; |
| 401 |
|
} |
| 402 |
|
if (itemPtr->tagPtr != itemPtr->staticTagSpace) { |
| 403 |
|
ckfree((char *) itemPtr->tagPtr); |
| 404 |
|
} |
| 405 |
|
itemPtr->tagPtr = newPtr; |
| 406 |
|
itemPtr->tagSpace = argc; |
| 407 |
|
} |
| 408 |
|
itemPtr->numTags = argc; |
| 409 |
|
for (i = 0; i < argc; i++) { |
| 410 |
|
itemPtr->tagPtr[i] = Tk_GetUid(argv[i]); |
| 411 |
|
} |
| 412 |
|
ckfree((char *) argv); |
| 413 |
|
return TCL_OK; |
| 414 |
|
} |
| 415 |
|
|
| 416 |
|
/* |
| 417 |
|
*-------------------------------------------------------------- |
| 418 |
|
* |
| 419 |
|
* Tk_CanvasTagsPrintProc -- |
| 420 |
|
* |
| 421 |
|
* This procedure is invoked by the Tk configuration code |
| 422 |
|
* to produce a printable string for the "-tags" configuration |
| 423 |
|
* option for canvas items. |
| 424 |
|
* |
| 425 |
|
* Results: |
| 426 |
|
* The return value is a string describing all the tags for |
| 427 |
|
* the item referred to by "widgRec". In addition, *freeProcPtr |
| 428 |
|
* is filled in with the address of a procedure to call to free |
| 429 |
|
* the result string when it's no longer needed (or NULL to |
| 430 |
|
* indicate that the string doesn't need to be freed). |
| 431 |
|
* |
| 432 |
|
* Side effects: |
| 433 |
|
* None. |
| 434 |
|
* |
| 435 |
|
*-------------------------------------------------------------- |
| 436 |
|
*/ |
| 437 |
|
|
| 438 |
|
char * |
| 439 |
|
Tk_CanvasTagsPrintProc(clientData, tkwin, widgRec, offset, freeProcPtr) |
| 440 |
|
ClientData clientData; /* Ignored. */ |
| 441 |
|
Tk_Window tkwin; /* Window containing canvas widget. */ |
| 442 |
|
char *widgRec; /* Pointer to record for item. */ |
| 443 |
|
int offset; /* Ignored. */ |
| 444 |
|
Tcl_FreeProc **freeProcPtr; /* Pointer to variable to fill in with |
| 445 |
|
* information about how to reclaim |
| 446 |
|
* storage for return string. */ |
| 447 |
|
{ |
| 448 |
|
register Tk_Item *itemPtr = (Tk_Item *) widgRec; |
| 449 |
|
|
| 450 |
|
if (itemPtr->numTags == 0) { |
| 451 |
|
*freeProcPtr = (Tcl_FreeProc *) NULL; |
| 452 |
|
return ""; |
| 453 |
|
} |
| 454 |
|
if (itemPtr->numTags == 1) { |
| 455 |
|
*freeProcPtr = (Tcl_FreeProc *) NULL; |
| 456 |
|
return (char *) itemPtr->tagPtr[0]; |
| 457 |
|
} |
| 458 |
|
*freeProcPtr = TCL_DYNAMIC; |
| 459 |
|
return Tcl_Merge(itemPtr->numTags, (char **) itemPtr->tagPtr); |
| 460 |
|
} |
| 461 |
|
|
| 462 |
|
|
| 463 |
|
static int DashConvert _ANSI_ARGS_((char *l, CONST char *p, |
| 464 |
|
int n, double width)); |
| 465 |
|
#define ABS(a) ((a>=0)?(a):(-(a))) |
| 466 |
|
|
| 467 |
|
/* |
| 468 |
|
*-------------------------------------------------------------- |
| 469 |
|
* |
| 470 |
|
* TkCanvasDashParseProc -- |
| 471 |
|
* |
| 472 |
|
* This procedure is invoked during option processing to handle |
| 473 |
|
* "-dash", "-activedash" and "-disableddash" options for canvas |
| 474 |
|
* objects. |
| 475 |
|
* |
| 476 |
|
* Results: |
| 477 |
|
* A standard Tcl return value. |
| 478 |
|
* |
| 479 |
|
* Side effects: |
| 480 |
|
* The dash list for a given canvas object gets replaced by |
| 481 |
|
* those indicated in the value argument. |
| 482 |
|
* |
| 483 |
|
*-------------------------------------------------------------- |
| 484 |
|
*/ |
| 485 |
|
|
| 486 |
|
int |
| 487 |
|
TkCanvasDashParseProc(clientData, interp, tkwin, value, widgRec, offset) |
| 488 |
|
ClientData clientData; /* Not used.*/ |
| 489 |
|
Tcl_Interp *interp; /* Used for reporting errors. */ |
| 490 |
|
Tk_Window tkwin; /* Window containing canvas widget. */ |
| 491 |
|
CONST char *value; /* Value of option. */ |
| 492 |
|
char *widgRec; /* Pointer to record for item. */ |
| 493 |
|
int offset; /* Offset into item. */ |
| 494 |
|
{ |
| 495 |
|
return Tk_GetDash(interp, value, (Tk_Dash *)(widgRec+offset)); |
| 496 |
|
} |
| 497 |
|
|
| 498 |
|
/* |
| 499 |
|
*-------------------------------------------------------------- |
| 500 |
|
* |
| 501 |
|
* TkCanvasDashPrintProc -- |
| 502 |
|
* |
| 503 |
|
* This procedure is invoked by the Tk configuration code |
| 504 |
|
* to produce a printable string for the "-dash", "-activedash" |
| 505 |
|
* and "-disableddash" configuration options for canvas items. |
| 506 |
|
* |
| 507 |
|
* Results: |
| 508 |
|
* The return value is a string describing all the dash list for |
| 509 |
|
* the item referred to by "widgRec"and "offset". In addition, |
| 510 |
|
* *freeProcPtr is filled in with the address of a procedure to |
| 511 |
|
* call to free the result string when it's no longer needed (or |
| 512 |
|
* NULL to indicate that the string doesn't need to be freed). |
| 513 |
|
* |
| 514 |
|
* Side effects: |
| 515 |
|
* None. |
| 516 |
|
* |
| 517 |
|
*-------------------------------------------------------------- |
| 518 |
|
*/ |
| 519 |
|
|
| 520 |
|
char * |
| 521 |
|
TkCanvasDashPrintProc(clientData, tkwin, widgRec, offset, freeProcPtr) |
| 522 |
|
ClientData clientData; /* Ignored. */ |
| 523 |
|
Tk_Window tkwin; /* Window containing canvas widget. */ |
| 524 |
|
char *widgRec; /* Pointer to record for item. */ |
| 525 |
|
int offset; /* Offset in record for item. */ |
| 526 |
|
Tcl_FreeProc **freeProcPtr; /* Pointer to variable to fill in with |
| 527 |
|
* information about how to reclaim |
| 528 |
|
* storage for return string. */ |
| 529 |
|
{ |
| 530 |
|
Tk_Dash *dash = (Tk_Dash *) (widgRec+offset); |
| 531 |
|
char *buffer; |
| 532 |
|
char *p; |
| 533 |
|
int i = dash->number; |
| 534 |
|
|
| 535 |
|
if (i < 0) { |
| 536 |
|
i = -i; |
| 537 |
|
*freeProcPtr = TCL_DYNAMIC; |
| 538 |
|
buffer = (char *) ckalloc((unsigned int) (i+1)); |
| 539 |
|
p = (i > sizeof(char *)) ? dash->pattern.pt : dash->pattern.array; |
| 540 |
|
memcpy(buffer, p, (unsigned int) i); |
| 541 |
|
buffer[i] = 0; |
| 542 |
|
return buffer; |
| 543 |
|
} else if (!i) { |
| 544 |
|
*freeProcPtr = (Tcl_FreeProc *) NULL; |
| 545 |
|
return ""; |
| 546 |
|
} |
| 547 |
|
buffer = (char *)ckalloc((unsigned int) (4*i)); |
| 548 |
|
*freeProcPtr = TCL_DYNAMIC; |
| 549 |
|
|
| 550 |
|
p = (i > sizeof(char *)) ? dash->pattern.pt : dash->pattern.array; |
| 551 |
|
sprintf(buffer, "%d", *p++ & 0xff); |
| 552 |
|
while(--i) { |
| 553 |
|
sprintf(buffer+strlen(buffer), " %d", *p++ & 0xff); |
| 554 |
|
} |
| 555 |
|
return buffer; |
| 556 |
|
} |
| 557 |
|
|
| 558 |
|
/* |
| 559 |
|
*-------------------------------------------------------------- |
| 560 |
|
* |
| 561 |
|
* Tk_CreateSmoothMethod -- |
| 562 |
|
* |
| 563 |
|
* This procedure is invoked to add additional values |
| 564 |
|
* for the "-smooth" option to the list. |
| 565 |
|
* |
| 566 |
|
* Results: |
| 567 |
|
* A standard Tcl return value. |
| 568 |
|
* |
| 569 |
|
* Side effects: |
| 570 |
|
* In the future "-smooth <name>" will be accepted as |
| 571 |
|
* smooth method for the line and polygon. |
| 572 |
|
* |
| 573 |
|
*-------------------------------------------------------------- |
| 574 |
|
*/ |
| 575 |
|
|
| 576 |
|
Tk_SmoothMethod tkBezierSmoothMethod = { |
| 577 |
|
"bezier", |
| 578 |
|
TkMakeBezierCurve, |
| 579 |
|
(void (*) _ANSI_ARGS_((Tcl_Interp *interp, Tk_Canvas canvas, |
| 580 |
|
double *coordPtr, int numPoints, int numSteps))) |
| 581 |
|
TkMakeBezierPostscript, |
| 582 |
|
}; |
| 583 |
|
|
| 584 |
|
static void SmoothMethodCleanupProc _ANSI_ARGS_((ClientData clientData, |
| 585 |
|
Tcl_Interp *interp)); |
| 586 |
|
|
| 587 |
|
typedef struct SmoothAssocData { |
| 588 |
|
struct SmoothAssocData *nextPtr; /* pointer to next SmoothAssocData */ |
| 589 |
|
Tk_SmoothMethod smooth; /* name and functions associated with this |
| 590 |
|
* option */ |
| 591 |
|
} SmoothAssocData; |
| 592 |
|
|
| 593 |
|
void |
| 594 |
|
Tk_CreateSmoothMethod(interp, smooth) |
| 595 |
|
Tcl_Interp *interp; |
| 596 |
|
Tk_SmoothMethod *smooth; |
| 597 |
|
{ |
| 598 |
|
SmoothAssocData *methods, *typePtr2, *prevPtr, *ptr; |
| 599 |
|
methods = (SmoothAssocData *) Tcl_GetAssocData(interp, "smoothMethod", |
| 600 |
|
(Tcl_InterpDeleteProc **) NULL); |
| 601 |
|
|
| 602 |
|
/* |
| 603 |
|
* If there's already a smooth method with the given name, remove it. |
| 604 |
|
*/ |
| 605 |
|
|
| 606 |
|
for (typePtr2 = methods, prevPtr = NULL; typePtr2 != NULL; |
| 607 |
|
prevPtr = typePtr2, typePtr2 = typePtr2->nextPtr) { |
| 608 |
|
if (!strcmp(typePtr2->smooth.name, smooth->name)) { |
| 609 |
|
if (prevPtr == NULL) { |
| 610 |
|
methods = typePtr2->nextPtr; |
| 611 |
|
} else { |
| 612 |
|
prevPtr->nextPtr = typePtr2->nextPtr; |
| 613 |
|
} |
| 614 |
|
ckfree((char *) typePtr2); |
| 615 |
|
break; |
| 616 |
|
} |
| 617 |
|
} |
| 618 |
|
ptr = (SmoothAssocData *) ckalloc(sizeof(SmoothAssocData)); |
| 619 |
|
ptr->smooth.name = smooth->name; |
| 620 |
|
ptr->smooth.coordProc = smooth->coordProc; |
| 621 |
|
ptr->smooth.postscriptProc = smooth->postscriptProc; |
| 622 |
|
ptr->nextPtr = methods; |
| 623 |
|
Tcl_SetAssocData(interp, "smoothMethod", SmoothMethodCleanupProc, |
| 624 |
|
(ClientData) ptr); |
| 625 |
|
} |
| 626 |
|
/* |
| 627 |
|
*---------------------------------------------------------------------- |
| 628 |
|
* |
| 629 |
|
* SmoothMethodCleanupProc -- |
| 630 |
|
* |
| 631 |
|
* This procedure is invoked whenever an interpreter is deleted |
| 632 |
|
* to cleanup the smooth methods. |
| 633 |
|
* |
| 634 |
|
* Results: |
| 635 |
|
* None. |
| 636 |
|
* |
| 637 |
|
* Side effects: |
| 638 |
|
* Smooth methods are removed. |
| 639 |
|
* |
| 640 |
|
*---------------------------------------------------------------------- |
| 641 |
|
*/ |
| 642 |
|
|
| 643 |
|
static void |
| 644 |
|
SmoothMethodCleanupProc(clientData, interp) |
| 645 |
|
ClientData clientData; /* Points to "smoothMethod" AssocData |
| 646 |
|
* for the interpreter. */ |
| 647 |
|
Tcl_Interp *interp; /* Interpreter that is being deleted. */ |
| 648 |
|
{ |
| 649 |
|
SmoothAssocData *ptr, *methods = (SmoothAssocData *) clientData; |
| 650 |
|
|
| 651 |
|
while (methods != NULL) { |
| 652 |
|
methods = (ptr = methods)->nextPtr; |
| 653 |
|
ckfree((char *) ptr); |
| 654 |
|
} |
| 655 |
|
} |
| 656 |
|
/* |
| 657 |
|
*-------------------------------------------------------------- |
| 658 |
|
* |
| 659 |
|
* TkSmoothParseProc -- |
| 660 |
|
* |
| 661 |
|
* This procedure is invoked during option processing to handle |
| 662 |
|
* the "-smooth" option. |
| 663 |
|
* |
| 664 |
|
* Results: |
| 665 |
|
* A standard Tcl return value. |
| 666 |
|
* |
| 667 |
|
* Side effects: |
| 668 |
|
* The smooth option for a given item gets replaced by the value |
| 669 |
|
* indicated in the value argument. |
| 670 |
|
* |
| 671 |
|
*-------------------------------------------------------------- |
| 672 |
|
*/ |
| 673 |
|
|
| 674 |
|
int |
| 675 |
|
TkSmoothParseProc(clientData, interp, tkwin, value, widgRec, offset) |
| 676 |
|
ClientData clientData; /* some flags.*/ |
| 677 |
|
Tcl_Interp *interp; /* Used for reporting errors. */ |
| 678 |
|
Tk_Window tkwin; /* Window containing canvas widget. */ |
| 679 |
|
CONST char *value; /* Value of option. */ |
| 680 |
|
char *widgRec; /* Pointer to record for item. */ |
| 681 |
|
int offset; /* Offset into item. */ |
| 682 |
|
{ |
| 683 |
|
register Tk_SmoothMethod **smoothPtr = |
| 684 |
|
(Tk_SmoothMethod **) (widgRec + offset); |
| 685 |
|
Tk_SmoothMethod *smooth = NULL; |
| 686 |
|
int b; |
| 687 |
|
size_t length; |
| 688 |
|
SmoothAssocData *methods; |
| 689 |
|
|
| 690 |
|
if (value == NULL || *value == 0) { |
| 691 |
|
*smoothPtr = (Tk_SmoothMethod *) NULL; |
| 692 |
|
return TCL_OK; |
| 693 |
|
} |
| 694 |
|
length = strlen(value); |
| 695 |
|
methods = (SmoothAssocData *) Tcl_GetAssocData(interp, "smoothMethod", |
| 696 |
|
(Tcl_InterpDeleteProc **) NULL); |
| 697 |
|
while (methods != (SmoothAssocData *) NULL) { |
| 698 |
|
if (strncmp(value, methods->smooth.name, length) == 0) { |
| 699 |
|
if (smooth != (Tk_SmoothMethod *) NULL) { |
| 700 |
|
Tcl_AppendResult(interp, "ambigeous smooth method \"", value, |
| 701 |
|
"\"", (char *) NULL); |
| 702 |
|
return TCL_ERROR; |
| 703 |
|
} |
| 704 |
|
smooth = &methods->smooth; |
| 705 |
|
} |
| 706 |
|
methods = methods->nextPtr; |
| 707 |
|
} |
| 708 |
|
if (smooth) { |
| 709 |
|
*smoothPtr = smooth; |
| 710 |
|
return TCL_OK; |
| 711 |
|
} |
| 712 |
|
|
| 713 |
|
if (Tcl_GetBoolean(interp, (char *) value, &b) != TCL_OK) { |
| 714 |
|
return TCL_ERROR; |
| 715 |
|
} |
| 716 |
|
*smoothPtr = b ? &tkBezierSmoothMethod : (Tk_SmoothMethod*) NULL; |
| 717 |
|
return TCL_OK; |
| 718 |
|
} |
| 719 |
|
/* |
| 720 |
|
*-------------------------------------------------------------- |
| 721 |
|
* |
| 722 |
|
* TkSmoothPrintProc -- |
| 723 |
|
* |
| 724 |
|
* This procedure is invoked by the Tk configuration code |
| 725 |
|
* to produce a printable string for the "-smooth" |
| 726 |
|
* configuration option. |
| 727 |
|
* |
| 728 |
|
* Results: |
| 729 |
|
* The return value is a string describing the smooth option for |
| 730 |
|
* the item referred to by "widgRec". In addition, *freeProcPtr |
| 731 |
|
* is filled in with the address of a procedure to call to free |
| 732 |
|
* the result string when it's no longer needed (or NULL to |
| 733 |
|
* indicate that the string doesn't need to be freed). |
| 734 |
|
* |
| 735 |
|
* Side effects: |
| 736 |
|
* None. |
| 737 |
|
* |
| 738 |
|
*-------------------------------------------------------------- |
| 739 |
|
*/ |
| 740 |
|
|
| 741 |
|
char * |
| 742 |
|
TkSmoothPrintProc(clientData, tkwin, widgRec, offset, freeProcPtr) |
| 743 |
|
ClientData clientData; /* Ignored. */ |
| 744 |
|
Tk_Window tkwin; /* Window containing canvas widget. */ |
| 745 |
|
char *widgRec; /* Pointer to record for item. */ |
| 746 |
|
int offset; /* Offset into item. */ |
| 747 |
|
Tcl_FreeProc **freeProcPtr; /* Pointer to variable to fill in with |
| 748 |
|
* information about how to reclaim |
| 749 |
|
* storage for return string. */ |
| 750 |
|
{ |
| 751 |
|
register Tk_SmoothMethod **smoothPtr = (Tk_SmoothMethod **) (widgRec + offset); |
| 752 |
|
|
| 753 |
|
return (*smoothPtr) ? (*smoothPtr)->name : "0"; |
| 754 |
|
} |
| 755 |
|
/* |
| 756 |
|
*-------------------------------------------------------------- |
| 757 |
|
* |
| 758 |
|
* Tk_GetDash |
| 759 |
|
* |
| 760 |
|
* This procedure is used to parse a string, assuming |
| 761 |
|
* it is dash information. |
| 762 |
|
* |
| 763 |
|
* Results: |
| 764 |
|
* The return value is a standard Tcl result: TCL_OK means |
| 765 |
|
* that the dash information was parsed ok, and |
| 766 |
|
* TCL_ERROR means it couldn't be parsed. |
| 767 |
|
* |
| 768 |
|
* Side effects: |
| 769 |
|
* Dash information in the dash structure is updated. |
| 770 |
|
* |
| 771 |
|
*-------------------------------------------------------------- |
| 772 |
|
*/ |
| 773 |
|
|
| 774 |
|
int |
| 775 |
|
Tk_GetDash(interp, value, dash) |
| 776 |
|
Tcl_Interp *interp; /* Used for error reporting. */ |
| 777 |
|
CONST char *value; /* Textual specification of dash list. */ |
| 778 |
|
Tk_Dash *dash; /* Pointer to record in which to |
| 779 |
|
* store dash information. */ |
| 780 |
|
{ |
| 781 |
|
int argc, i; |
| 782 |
|
char **largv, **argv = NULL; |
| 783 |
|
char *pt; |
| 784 |
|
|
| 785 |
|
if ((value==(char *) NULL) || (*value==0) ) { |
| 786 |
|
dash->number = 0; |
| 787 |
|
return TCL_OK; |
| 788 |
|
} |
| 789 |
|
if ((*value == '.') || (*value == ',') || |
| 790 |
|
(*value == '-') || (*value == '_')) { |
| 791 |
|
i = DashConvert((char *) NULL, value, -1, 0.0); |
| 792 |
|
if (i>0) { |
| 793 |
|
i = strlen(value); |
| 794 |
|
} else { |
| 795 |
|
goto badDashList; |
| 796 |
|
} |
| 797 |
|
if (i > sizeof(char *)) { |
| 798 |
|
dash->pattern.pt = pt = (char *) ckalloc(strlen(value)); |
| 799 |
|
} else { |
| 800 |
|
pt = dash->pattern.array; |
| 801 |
|
} |
| 802 |
|
memcpy(pt,value, (unsigned int) i); |
| 803 |
|
dash->number = -i; |
| 804 |
|
return TCL_OK; |
| 805 |
|
} |
| 806 |
|
if (Tcl_SplitList(interp, (char *) value, &argc, &argv) != TCL_OK) { |
| 807 |
|
Tcl_ResetResult(interp); |
| 808 |
|
badDashList: |
| 809 |
|
Tcl_AppendResult(interp, "bad dash list \"", value, |
| 810 |
|
"\": must be a list of integers or a format like \"-..\"", |
| 811 |
|
(char *) NULL); |
| 812 |
|
syntaxError: |
| 813 |
|
if (argv != NULL) { |
| 814 |
|
ckfree((char *) argv); |
| 815 |
|
} |
| 816 |
|
if (ABS(dash->number) > sizeof(char *)) |
| 817 |
|
ckfree((char *) dash->pattern.pt); |
| 818 |
|
dash->number = 0; |
| 819 |
|
return TCL_ERROR; |
| 820 |
|
} |
| 821 |
|
|
| 822 |
|
if (ABS(dash->number) > sizeof(char *)) { |
| 823 |
|
ckfree((char *) dash->pattern.pt); |
| 824 |
|
} |
| 825 |
|
if (argc > sizeof(char *)) { |
| 826 |
|
dash->pattern.pt = pt = (char *) ckalloc((unsigned int) argc); |
| 827 |
|
} else { |
| 828 |
|
pt = dash->pattern.array; |
| 829 |
|
} |
| 830 |
|
dash->number = argc; |
| 831 |
|
|
| 832 |
|
largv = argv; |
| 833 |
|
while(argc>0) { |
| 834 |
|
if (Tcl_GetInt(interp, *largv, &i) != TCL_OK || |
| 835 |
|
i < 1 || i>255) { |
| 836 |
|
Tcl_ResetResult(interp); |
| 837 |
|
Tcl_AppendResult(interp, "expected integer in the range 1..255 but got \"", |
| 838 |
|
*largv, "\"", (char *) NULL); |
| 839 |
|
goto syntaxError; |
| 840 |
|
} |
| 841 |
|
*pt++ = i; |
| 842 |
|
argc--; largv++; |
| 843 |
|
} |
| 844 |
|
|
| 845 |
|
if (argv != NULL) { |
| 846 |
|
ckfree((char *) argv); |
| 847 |
|
} |
| 848 |
|
|
| 849 |
|
return TCL_OK; |
| 850 |
|
} |
| 851 |
|
|
| 852 |
|
/* |
| 853 |
|
*-------------------------------------------------------------- |
| 854 |
|
* |
| 855 |
|
* Tk_CreateOutline |
| 856 |
|
* |
| 857 |
|
* This procedure initializes the Tk_Outline structure |
| 858 |
|
* with default values. |
| 859 |
|
* |
| 860 |
|
* Results: |
| 861 |
|
* None |
| 862 |
|
* |
| 863 |
|
* Side effects: |
| 864 |
|
* None |
| 865 |
|
* |
| 866 |
|
*-------------------------------------------------------------- |
| 867 |
|
*/ |
| 868 |
|
|
| 869 |
|
void Tk_CreateOutline(outline) |
| 870 |
|
Tk_Outline *outline; |
| 871 |
|
{ |
| 872 |
|
outline->gc = None; |
| 873 |
|
outline->width = 1.0; |
| 874 |
|
outline->activeWidth = 0.0; |
| 875 |
|
outline->disabledWidth = 0.0; |
| 876 |
|
outline->offset = 0; |
| 877 |
|
outline->dash.number = 0; |
| 878 |
|
outline->activeDash.number = 0; |
| 879 |
|
outline->disabledDash.number = 0; |
| 880 |
|
outline->tsoffset.flags = 0; |
| 881 |
|
outline->tsoffset.xoffset = 0; |
| 882 |
|
outline->tsoffset.yoffset = 0; |
| 883 |
|
outline->color = NULL; |
| 884 |
|
outline->activeColor = NULL; |
| 885 |
|
outline->disabledColor = NULL; |
| 886 |
|
outline->stipple = None; |
| 887 |
|
outline->activeStipple = None; |
| 888 |
|
outline->disabledStipple = None; |
| 889 |
|
} |
| 890 |
|
|
| 891 |
|
/* |
| 892 |
|
*-------------------------------------------------------------- |
| 893 |
|
* |
| 894 |
|
* Tk_DeleteOutline |
| 895 |
|
* |
| 896 |
|
* This procedure frees all memory that might be |
| 897 |
|
* allocated and referenced in the Tk_Outline structure. |
| 898 |
|
* |
| 899 |
|
* Results: |
| 900 |
|
* None |
| 901 |
|
* |
| 902 |
|
* Side effects: |
| 903 |
|
* None |
| 904 |
|
* |
| 905 |
|
*-------------------------------------------------------------- |
| 906 |
|
*/ |
| 907 |
|
|
| 908 |
|
void Tk_DeleteOutline(display, outline) |
| 909 |
|
Display *display; /* Display containing window */ |
| 910 |
|
Tk_Outline *outline; |
| 911 |
|
{ |
| 912 |
|
if (outline->gc != None) { |
| 913 |
|
Tk_FreeGC(display, outline->gc); |
| 914 |
|
} |
| 915 |
|
if (ABS(outline->dash.number) > sizeof(char *)) { |
| 916 |
|
ckfree((char *) outline->dash.pattern.pt); |
| 917 |
|
} |
| 918 |
|
if (ABS(outline->activeDash.number) > sizeof(char *)) { |
| 919 |
|
ckfree((char *) outline->activeDash.pattern.pt); |
| 920 |
|
} |
| 921 |
|
if (ABS(outline->disabledDash.number) > sizeof(char *)) { |
| 922 |
|
ckfree((char *) outline->disabledDash.pattern.pt); |
| 923 |
|
} |
| 924 |
|
if (outline->color != NULL) { |
| 925 |
|
Tk_FreeColor(outline->color); |
| 926 |
|
} |
| 927 |
|
if (outline->activeColor != NULL) { |
| 928 |
|
Tk_FreeColor(outline->activeColor); |
| 929 |
|
} |
| 930 |
|
if (outline->disabledColor != NULL) { |
| 931 |
|
Tk_FreeColor(outline->disabledColor); |
| 932 |
|
} |
| 933 |
|
if (outline->stipple != None) { |
| 934 |
|
Tk_FreeBitmap(display, outline->stipple); |
| 935 |
|
} |
| 936 |
|
if (outline->activeStipple != None) { |
| 937 |
|
Tk_FreeBitmap(display, outline->activeStipple); |
| 938 |
|
} |
| 939 |
|
if (outline->disabledStipple != None) { |
| 940 |
|
Tk_FreeBitmap(display, outline->disabledStipple); |
| 941 |
|
} |
| 942 |
|
} |
| 943 |
|
|
| 944 |
|
/* |
| 945 |
|
*-------------------------------------------------------------- |
| 946 |
|
* |
| 947 |
|
* Tk_ConfigOutlineGC |
| 948 |
|
* |
| 949 |
|
* This procedure should be called in the canvas object |
| 950 |
|
* during the configure command. The graphics context |
| 951 |
|
* description in gcValues is updated according to the |
| 952 |
|
* information in the dash structure, as far as possible. |
| 953 |
|
* |
| 954 |
|
* Results: |
| 955 |
|
* The return-value is a mask, indicating which |
| 956 |
|
* elements of gcValues have been updated. |
| 957 |
|
* 0 means there is no outline. |
| 958 |
|
* |
| 959 |
|
* Side effects: |
| 960 |
|
* GC information in gcValues is updated. |
| 961 |
|
* |
| 962 |
|
*-------------------------------------------------------------- |
| 963 |
|
*/ |
| 964 |
|
|
| 965 |
|
int Tk_ConfigOutlineGC(gcValues, canvas, item, outline) |
| 966 |
|
XGCValues *gcValues; |
| 967 |
|
Tk_Canvas canvas; |
| 968 |
|
Tk_Item *item; |
| 969 |
|
Tk_Outline *outline; |
| 970 |
|
{ |
| 971 |
|
int mask = 0; |
| 972 |
|
double width; |
| 973 |
|
Tk_Dash *dash; |
| 974 |
|
XColor *color; |
| 975 |
|
Pixmap stipple; |
| 976 |
|
Tk_State state = item->state; |
| 977 |
|
|
| 978 |
|
if (outline->width < 0.0) { |
| 979 |
|
outline->width = 0.0; |
| 980 |
|
} |
| 981 |
|
if (outline->activeWidth < 0.0) { |
| 982 |
|
outline->activeWidth = 0.0; |
| 983 |
|
} |
| 984 |
|
if (outline->disabledWidth < 0) { |
| 985 |
|
outline->disabledWidth = 0.0; |
| 986 |
|
} |
| 987 |
|
if (state==TK_STATE_HIDDEN) { |
| 988 |
|
return 0; |
| 989 |
|
} |
| 990 |
|
|
| 991 |
|
width = outline->width; |
| 992 |
|
if (width < 1.0) { |
| 993 |
|
width = 1.0; |
| 994 |
|
} |
| 995 |
|
dash = &(outline->dash); |
| 996 |
|
color = outline->color; |
| 997 |
|
stipple = outline->stipple; |
| 998 |
|
if (state == TK_STATE_NULL) { |
| 999 |
|
state = ((TkCanvas *)canvas)->canvas_state; |
| 1000 |
|
} |
| 1001 |
|
if (((TkCanvas *)canvas)->currentItemPtr == item) { |
| 1002 |
|
if (outline->activeWidth>width) { |
| 1003 |
|
width = outline->activeWidth; |
| 1004 |
|
} |
| 1005 |
|
if (outline->activeDash.number != 0) { |
| 1006 |
|
dash = &(outline->activeDash); |
| 1007 |
|
} |
| 1008 |
|
if (outline->activeColor!=NULL) { |
| 1009 |
|
color = outline->activeColor; |
| 1010 |
|
} |
| 1011 |
|
if (outline->activeStipple!=None) { |
| 1012 |
|
stipple = outline->activeStipple; |
| 1013 |
|
} |
| 1014 |
|
} else if (state==TK_STATE_DISABLED) { |
| 1015 |
|
if (outline->disabledWidth>0) { |
| 1016 |
|
width = outline->disabledWidth; |
| 1017 |
|
} |
| 1018 |
|
if (outline->disabledDash.number != 0) { |
| 1019 |
|
dash = &(outline->disabledDash); |
| 1020 |
|
} |
| 1021 |
|
if (outline->disabledColor!=NULL) { |
| 1022 |
|
color = outline->disabledColor; |
| 1023 |
|
} |
| 1024 |
|
if (outline->disabledStipple!=None) { |
| 1025 |
|
stipple = outline->disabledStipple; |
| 1026 |
|
} |
| 1027 |
|
} |
| 1028 |
|
|
| 1029 |
|
if (color==NULL) { |
| 1030 |
|
return 0; |
| 1031 |
|
} |
| 1032 |
|
|
| 1033 |
|
gcValues->line_width = (int) (width + 0.5); |
| 1034 |
|
if (color != NULL) { |
| 1035 |
|
gcValues->foreground = color->pixel; |
| 1036 |
|
mask = GCForeground|GCLineWidth; |
| 1037 |
|
if (stipple != None) { |
| 1038 |
|
gcValues->stipple = stipple; |
| 1039 |
|
gcValues->fill_style = FillStippled; |
| 1040 |
|
mask |= GCStipple|GCFillStyle; |
| 1041 |
|
} |
| 1042 |
|
} |
| 1043 |
|
if (mask && (dash->number != 0)) { |
| 1044 |
|
gcValues->line_style = LineOnOffDash; |
| 1045 |
|
gcValues->dash_offset = outline->offset; |
| 1046 |
|
if (dash->number >= 2) { |
| 1047 |
|
gcValues->dashes = 4; |
| 1048 |
|
} else if (dash->number > 0) { |
| 1049 |
|
gcValues->dashes = dash->pattern.array[0]; |
| 1050 |
|
} else { |
| 1051 |
|
gcValues->dashes = (char) (4 * width); |
| 1052 |
|
} |
| 1053 |
|
mask |= GCLineStyle|GCDashList|GCDashOffset; |
| 1054 |
|
} |
| 1055 |
|
return mask; |
| 1056 |
|
} |
| 1057 |
|
|
| 1058 |
|
/* |
| 1059 |
|
*-------------------------------------------------------------- |
| 1060 |
|
* |
| 1061 |
|
* Tk_ChangeOutlineGC |
| 1062 |
|
* |
| 1063 |
|
* Updates the GC to represent the full information of |
| 1064 |
|
* the dash structure. Partly this is already done in |
| 1065 |
|
* Tk_ConfigOutlineGC(). |
| 1066 |
|
* This function should be called just before drawing |
| 1067 |
|
* the dashed item. |
| 1068 |
|
* |
| 1069 |
|
* Results: |
| 1070 |
|
* 1 if there is a stipple pattern. |
| 1071 |
|
* 0 otherwise. |
| 1072 |
|
* |
| 1073 |
|
* Side effects: |
| 1074 |
|
* GC is updated. |
| 1075 |
|
* |
| 1076 |
|
*-------------------------------------------------------------- |
| 1077 |
|
*/ |
| 1078 |
|
|
| 1079 |
|
int |
| 1080 |
|
Tk_ChangeOutlineGC(canvas, item, outline) |
| 1081 |
|
Tk_Canvas canvas; |
| 1082 |
|
Tk_Item *item; |
| 1083 |
|
Tk_Outline *outline; |
| 1084 |
|
{ |
| 1085 |
|
CONST char *p; |
| 1086 |
|
double width; |
| 1087 |
|
Tk_Dash *dash; |
| 1088 |
|
XColor *color; |
| 1089 |
|
Pixmap stipple; |
| 1090 |
|
Tk_State state = item->state; |
| 1091 |
|
|
| 1092 |
|
width = outline->width; |
| 1093 |
|
if (width < 1.0) { |
| 1094 |
|
width = 1.0; |
| 1095 |
|
} |
| 1096 |
|
dash = &(outline->dash); |
| 1097 |
|
color = outline->color; |
| 1098 |
|
stipple = outline->stipple; |
| 1099 |
|
if (state == TK_STATE_NULL) { |
| 1100 |
|
state = ((TkCanvas *)canvas)->canvas_state; |
| 1101 |
|
} |
| 1102 |
|
if (((TkCanvas *)canvas)->currentItemPtr == item) { |
| 1103 |
|
if (outline->activeWidth > width) { |
| 1104 |
|
width = outline->activeWidth; |
| 1105 |
|
} |
| 1106 |
|
if (outline->activeDash.number != 0) { |
| 1107 |
|
dash = &(outline->activeDash); |
| 1108 |
|
} |
| 1109 |
|
if (outline->activeColor != NULL) { |
| 1110 |
|
color = outline->activeColor; |
| 1111 |
|
} |
| 1112 |
|
if (outline->activeStipple != None) { |
| 1113 |
|
stipple = outline->activeStipple; |
| 1114 |
|
} |
| 1115 |
|
} else if (state == TK_STATE_DISABLED) { |
| 1116 |
|
if (outline->disabledWidth > width) { |
| 1117 |
|
width = outline->disabledWidth; |
| 1118 |
|
} |
| 1119 |
|
if (outline->disabledDash.number != 0) { |
| 1120 |
|
dash = &(outline->disabledDash); |
| 1121 |
|
} |
| 1122 |
|
if (outline->disabledColor != NULL) { |
| 1123 |
|
color = outline->disabledColor; |
| 1124 |
|
} |
| 1125 |
|
if (outline->disabledStipple != None) { |
| 1126 |
|
stipple = outline->disabledStipple; |
| 1127 |
|
} |
| 1128 |
|
} |
| 1129 |
|
if (color==NULL) { |
| 1130 |
|
return 0; |
| 1131 |
|
} |
| 1132 |
|
|
| 1133 |
|
if ((dash->number<-1) || ((dash->number == -1) && (dash->pattern.array[1]!=','))) { |
| 1134 |
|
char *q; |
| 1135 |
|
int i = -dash->number; |
| 1136 |
|
|
| 1137 |
|
p = (i > sizeof(char *)) ? dash->pattern.pt : dash->pattern.array; |
| 1138 |
|
q = (char *) ckalloc(2*(unsigned int)i); |
| 1139 |
|
i = DashConvert(q, p, i, width); |
| 1140 |
|
XSetDashes(((TkCanvas *)canvas)->display, outline->gc, outline->offset, q, i); |
| 1141 |
|
ckfree(q); |
| 1142 |
|
} else if ( dash->number>2 || (dash->number==2 && |
| 1143 |
|
(dash->pattern.array[0]!=dash->pattern.array[1]))) { |
| 1144 |
|
p = (char *) (dash->number > sizeof(char *)) ? dash->pattern.pt : dash->pattern.array; |
| 1145 |
|
XSetDashes(((TkCanvas *)canvas)->display, outline->gc, outline->offset, p, dash->number); |
| 1146 |
|
} |
| 1147 |
|
if (stipple!=None) { |
| 1148 |
|
int w=0; int h=0; |
| 1149 |
|
Tk_TSOffset *tsoffset = &outline->tsoffset; |
| 1150 |
|
int flags = tsoffset->flags; |
| 1151 |
|
if (!(flags & TK_OFFSET_INDEX) && (flags & (TK_OFFSET_CENTER|TK_OFFSET_MIDDLE))) { |
| 1152 |
|
Tk_SizeOfBitmap(((TkCanvas *)canvas)->display, stipple, &w, &h); |
| 1153 |
|
if (flags & TK_OFFSET_CENTER) { |
| 1154 |
|
w /= 2; |
| 1155 |
|
} else { |
| 1156 |
|
w = 0; |
| 1157 |
|
} |
| 1158 |
|
if (flags & TK_OFFSET_MIDDLE) { |
| 1159 |
|
h /= 2; |
| 1160 |
|
} else { |
| 1161 |
|
h = 0; |
| 1162 |
|
} |
| 1163 |
|
} |
| 1164 |
|
tsoffset->xoffset -= w; |
| 1165 |
|
tsoffset->yoffset -= h; |
| 1166 |
|
Tk_CanvasSetOffset(canvas, outline->gc, tsoffset); |
| 1167 |
|
tsoffset->xoffset += w; |
| 1168 |
|
tsoffset->yoffset += h; |
| 1169 |
|
return 1; |
| 1170 |
|
} |
| 1171 |
|
return 0; |
| 1172 |
|
} |
| 1173 |
|
|
| 1174 |
|
|
| 1175 |
|
/* |
| 1176 |
|
*-------------------------------------------------------------- |
| 1177 |
|
* |
| 1178 |
|
* Tk_ResetOutlineGC |
| 1179 |
|
* |
| 1180 |
|
* Restores the GC to the situation before |
| 1181 |
|
* Tk_ChangeDashGC() was called. |
| 1182 |
|
* This function should be called just after the dashed |
| 1183 |
|
* item is drawn, because the GC is supposed to be |
| 1184 |
|
* read-only. |
| 1185 |
|
* |
| 1186 |
|
* Results: |
| 1187 |
|
* 1 if there is a stipple pattern. |
| 1188 |
|
* 0 otherwise. |
| 1189 |
|
* |
| 1190 |
|
* Side effects: |
| 1191 |
|
* GC is updated. |
| 1192 |
|
* |
| 1193 |
|
*-------------------------------------------------------------- |
| 1194 |
|
*/ |
| 1195 |
|
int |
| 1196 |
|
Tk_ResetOutlineGC(canvas, item, outline) |
| 1197 |
|
Tk_Canvas canvas; |
| 1198 |
|
Tk_Item *item; |
| 1199 |
|
Tk_Outline *outline; |
| 1200 |
|
{ |
| 1201 |
|
char dashList; |
| 1202 |
|
double width; |
| 1203 |
|
Tk_Dash *dash; |
| 1204 |
|
XColor *color; |
| 1205 |
|
Pixmap stipple; |
| 1206 |
|
Tk_State state = item->state; |
| 1207 |
|
|
| 1208 |
|
width = outline->width; |
| 1209 |
|
if (width < 1.0) { |
| 1210 |
|
width = 1.0; |
| 1211 |
|
} |
| 1212 |
|
dash = &(outline->dash); |
| 1213 |
|
color = outline->color; |
| 1214 |
|
stipple = outline->stipple; |
| 1215 |
|
if (state == TK_STATE_NULL) { |
| 1216 |
|
state = ((TkCanvas *)canvas)->canvas_state; |
| 1217 |
|
} |
| 1218 |
|
if (((TkCanvas *)canvas)->currentItemPtr == item) { |
| 1219 |
|
if (outline->activeWidth>width) { |
| 1220 |
|
width = outline->activeWidth; |
| 1221 |
|
} |
| 1222 |
|
if (outline->activeDash.number != 0) { |
| 1223 |
|
dash = &(outline->activeDash); |
| 1224 |
|
} |
| 1225 |
|
if (outline->activeColor!=NULL) { |
| 1226 |
|
color = outline->activeColor; |
| 1227 |
|
} |
| 1228 |
|
if (outline->activeStipple!=None) { |
| 1229 |
|
stipple = outline->activeStipple; |
| 1230 |
|
} |
| 1231 |
|
} else if (state==TK_STATE_DISABLED) { |
| 1232 |
|
if (outline->disabledWidth>width) { |
| 1233 |
|
width = outline->disabledWidth; |
| 1234 |
|
} |
| 1235 |
|
if (outline->disabledDash.number != 0) { |
| 1236 |
|
dash = &(outline->disabledDash); |
| 1237 |
|
} |
| 1238 |
|
if (outline->disabledColor!=NULL) { |
| 1239 |
|
color = outline->disabledColor; |
| 1240 |
|
} |
| 1241 |
|
if (outline->disabledStipple!=None) { |
| 1242 |
|
stipple = outline->disabledStipple; |
| 1243 |
|
} |
| 1244 |
|
} |
| 1245 |
|
if (color==NULL) { |
| 1246 |
|
return 0; |
| 1247 |
|
} |
| 1248 |
|
|
| 1249 |
|
if ((dash->number > 2) || (dash->number < -1) || (dash->number==2 && |
| 1250 |
|
(dash->pattern.array[0] != dash->pattern.array[1])) || |
| 1251 |
|
((dash->number == -1) && (dash->pattern.array[1] != ','))) { |
| 1252 |
|
if (dash->number < 0) { |
| 1253 |
|
dashList = (int) (4 * width + 0.5); |
| 1254 |
|
} else if (dash->number<3) { |
| 1255 |
|
dashList = dash->pattern.array[0]; |
| 1256 |
|
} else { |
| 1257 |
|
dashList = 4; |
| 1258 |
|
} |
| 1259 |
|
XSetDashes(((TkCanvas *)canvas)->display, outline->gc, |
| 1260 |
|
outline->offset, &dashList , 1); |
| 1261 |
|
} |
| 1262 |
|
if (stipple != None) { |
| 1263 |
|
XSetTSOrigin(((TkCanvas *)canvas)->display, outline->gc, 0, 0); |
| 1264 |
|
return 1; |
| 1265 |
|
} |
| 1266 |
|
return 0; |
| 1267 |
|
} |
| 1268 |
|
|
| 1269 |
|
|
| 1270 |
|
/* |
| 1271 |
|
*-------------------------------------------------------------- |
| 1272 |
|
* |
| 1273 |
|
* Tk_CanvasPsOutline |
| 1274 |
|
* |
| 1275 |
|
* Creates the postscript command for the correct |
| 1276 |
|
* Outline-information (width, dash, color and stipple). |
| 1277 |
|
* |
| 1278 |
|
* Results: |
| 1279 |
|
* TCL_OK if succeeded, otherwise TCL_ERROR. |
| 1280 |
|
* |
| 1281 |
|
* Side effects: |
| 1282 |
|
* canvas->interp->result contains the postscript string, |
| 1283 |
|
* or an error message if the result was TCL_ERROR. |
| 1284 |
|
* |
| 1285 |
|
*-------------------------------------------------------------- |
| 1286 |
|
*/ |
| 1287 |
|
int |
| 1288 |
|
Tk_CanvasPsOutline(canvas, item, outline) |
| 1289 |
|
Tk_Canvas canvas; |
| 1290 |
|
Tk_Item *item; |
| 1291 |
|
Tk_Outline *outline; |
| 1292 |
|
{ |
| 1293 |
|
char string[41]; |
| 1294 |
|
char pattern[11]; |
| 1295 |
|
int i; |
| 1296 |
|
char *ptr; |
| 1297 |
|
char *str = string; |
| 1298 |
|
char *lptr = pattern; |
| 1299 |
|
Tcl_Interp *interp = ((TkCanvas *)canvas)->interp; |
| 1300 |
|
double width; |
| 1301 |
|
Tk_Dash *dash; |
| 1302 |
|
XColor *color; |
| 1303 |
|
Pixmap stipple; |
| 1304 |
|
Tk_State state = item->state; |
| 1305 |
|
|
| 1306 |
|
width = outline->width; |
| 1307 |
|
dash = &(outline->dash); |
| 1308 |
|
color = outline->color; |
| 1309 |
|
stipple = outline->stipple; |
| 1310 |
|
if (state == TK_STATE_NULL) { |
| 1311 |
|
state = ((TkCanvas *)canvas)->canvas_state; |
| 1312 |
|
} |
| 1313 |
|
if (((TkCanvas *)canvas)->currentItemPtr == item) { |
| 1314 |
|
if (outline->activeWidth > width) { |
| 1315 |
|
width = outline->activeWidth; |
| 1316 |
|
} |
| 1317 |
|
if (outline->activeDash.number > 0) { |
| 1318 |
|
dash = &(outline->activeDash); |
| 1319 |
|
} |
| 1320 |
|
if (outline->activeColor != NULL) { |
| 1321 |
|
color = outline->activeColor; |
| 1322 |
|
} |
| 1323 |
|
if (outline->activeStipple != None) { |
| 1324 |
|
stipple = outline->activeStipple; |
| 1325 |
|
} |
| 1326 |
|
} else if (state == TK_STATE_DISABLED) { |
| 1327 |
|
if (outline->disabledWidth > 0) { |
| 1328 |
|
width = outline->disabledWidth; |
| 1329 |
|
} |
| 1330 |
|
if (outline->disabledDash.number > 0) { |
| 1331 |
|
dash = &(outline->disabledDash); |
| 1332 |
|
} |
| 1333 |
|
if (outline->disabledColor != NULL) { |
| 1334 |
|
color = outline->disabledColor; |
| 1335 |
|
} |
| 1336 |
|
if (outline->disabledStipple != None) { |
| 1337 |
|
stipple = outline->disabledStipple; |
| 1338 |
|
} |
| 1339 |
|
} |
| 1340 |
|
sprintf(string, "%.15g setlinewidth\n", width); |
| 1341 |
|
Tcl_AppendResult(interp, string, (char *) NULL); |
| 1342 |
|
|
| 1343 |
|
if (dash->number > 10) { |
| 1344 |
|
str = (char *)ckalloc((unsigned int) (1 + 4*dash->number)); |
| 1345 |
|
} else if (dash->number < -5) { |
| 1346 |
|
str = (char *)ckalloc((unsigned int) (1 - 8*dash->number)); |
| 1347 |
|
lptr = (char *)ckalloc((unsigned int) (1 - 2*dash->number)); |
| 1348 |
|
} |
| 1349 |
|
ptr = (char *) ((ABS(dash->number) > sizeof(char *)) ) ? |
| 1350 |
|
dash->pattern.pt : dash->pattern.array; |
| 1351 |
|
if (dash->number > 0) { |
| 1352 |
|
char *ptr0 = ptr; |
| 1353 |
|
sprintf(str, "[%d", *ptr++ & 0xff); |
| 1354 |
|
i = dash->number-1; |
| 1355 |
|
while (i--) { |
| 1356 |
|
sprintf(str+strlen(str), " %d", *ptr++ & 0xff); |
| 1357 |
|
} |
| 1358 |
|
Tcl_AppendResult(interp, str, (char *)NULL); |
| 1359 |
|
if (dash->number&1) { |
| 1360 |
|
Tcl_AppendResult(interp, " ", str+1, (char *)NULL); |
| 1361 |
|
} |
| 1362 |
|
sprintf(str, "] %d setdash\n", outline->offset); |
| 1363 |
|
Tcl_AppendResult(interp, str, (char *)NULL); |
| 1364 |
|
ptr = ptr0; |
| 1365 |
|
} else if (dash->number < 0) { |
| 1366 |
|
if ((i = DashConvert(lptr, ptr, -dash->number, width)) != 0) { |
| 1367 |
|
char *lptr0 = lptr; |
| 1368 |
|
sprintf(str, "[%d", *lptr++ & 0xff); |
| 1369 |
|
while (--i) { |
| 1370 |
|
sprintf(str+strlen(str), " %d", *lptr++ & 0xff); |
| 1371 |
|
} |
| 1372 |
|
Tcl_AppendResult(interp, str, (char *)NULL); |
| 1373 |
|
sprintf(str, "] %d setdash\n", outline->offset); |
| 1374 |
|
Tcl_AppendResult(interp, str, (char *)NULL); |
| 1375 |
|
lptr = lptr0; |
| 1376 |
|
} else { |
| 1377 |
|
Tcl_AppendResult(interp, "[] 0 setdash\n", (char *)NULL); |
| 1378 |
|
} |
| 1379 |
|
} else { |
| 1380 |
|
Tcl_AppendResult(interp, "[] 0 setdash\n", (char *)NULL); |
| 1381 |
|
} |
| 1382 |
|
if (str != string) { |
| 1383 |
|
ckfree(str); |
| 1384 |
|
} |
| 1385 |
|
if (lptr != pattern) { |
| 1386 |
|
ckfree(lptr); |
| 1387 |
|
} |
| 1388 |
|
if (Tk_CanvasPsColor(interp, canvas, color) != TCL_OK) { |
| 1389 |
|
return TCL_ERROR; |
| 1390 |
|
} |
| 1391 |
|
if (stipple != None) { |
| 1392 |
|
Tcl_AppendResult(interp, "StrokeClip ", (char *) NULL); |
| 1393 |
|
if (Tk_CanvasPsStipple(interp, canvas, stipple) != TCL_OK) { |
| 1394 |
|
return TCL_ERROR; |
| 1395 |
|
} |
| 1396 |
|
} else { |
| 1397 |
|
Tcl_AppendResult(interp, "stroke\n", (char *) NULL); |
| 1398 |
|
} |
| 1399 |
|
|
| 1400 |
|
return TCL_OK; |
| 1401 |
|
} |
| 1402 |
|
|
| 1403 |
|
|
| 1404 |
|
/* |
| 1405 |
|
*-------------------------------------------------------------- |
| 1406 |
|
* |
| 1407 |
|
* DashConvert |
| 1408 |
|
* |
| 1409 |
|
* Converts a character-like dash-list (e.g. "-..") |
| 1410 |
|
* into an X11-style. l must point to a string that |
| 1411 |
|
* holds room to at least 2*n characters. if |
| 1412 |
|
* l == NULL, this function can be used for |
| 1413 |
|
* syntax checking only. |
| 1414 |
|
* |
| 1415 |
|
* Results: |
| 1416 |
|
* The length of the resulting X11 compatible |
| 1417 |
|
* dash-list. -1 if failed. |
| 1418 |
|
* |
| 1419 |
|
* Side effects: |
| 1420 |
|
* None |
| 1421 |
|
* |
| 1422 |
|
*-------------------------------------------------------------- |
| 1423 |
|
*/ |
| 1424 |
|
|
| 1425 |
|
static int |
| 1426 |
|
DashConvert (l, p, n, width) |
| 1427 |
|
char *l; |
| 1428 |
|
CONST char *p; |
| 1429 |
|
int n; |
| 1430 |
|
double width; |
| 1431 |
|
{ |
| 1432 |
|
int result = 0; |
| 1433 |
|
int size, intWidth; |
| 1434 |
|
|
| 1435 |
|
if (n<0) { |
| 1436 |
|
n = strlen(p); |
| 1437 |
|
} |
| 1438 |
|
intWidth = (int) (width + 0.5); |
| 1439 |
|
if (intWidth < 1) { |
| 1440 |
|
intWidth = 1; |
| 1441 |
|
} |
| 1442 |
|
while (n-- && *p) { |
| 1443 |
|
switch (*p++) { |
| 1444 |
|
case ' ': |
| 1445 |
|
if (result) { |
| 1446 |
|
if (l) { |
| 1447 |
|
l[-1] += intWidth + 1; |
| 1448 |
|
} |
| 1449 |
|
continue; |
| 1450 |
|
} else { |
| 1451 |
|
return 0; |
| 1452 |
|
} |
| 1453 |
|
break; |
| 1454 |
|
case '_': |
| 1455 |
|
size = 8; |
| 1456 |
|
break; |
| 1457 |
|
case '-': |
| 1458 |
|
size = 6; |
| 1459 |
|
break; |
| 1460 |
|
case ',': |
| 1461 |
|
size = 4; |
| 1462 |
|
break; |
| 1463 |
|
case '.': |
| 1464 |
|
size = 2; |
| 1465 |
|
break; |
| 1466 |
|
default: |
| 1467 |
|
return -1; |
| 1468 |
|
} |
| 1469 |
|
if (l) { |
| 1470 |
|
*l++ = size * intWidth; |
| 1471 |
|
*l++ = 4 * intWidth; |
| 1472 |
|
} |
| 1473 |
|
result += 2; |
| 1474 |
|
} |
| 1475 |
|
return result; |
| 1476 |
|
} |
| 1477 |
|
/* $Header$ */ |
| 1478 |
|
|
| 1479 |
|
/* End of tkcanvutil.c */ |
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