static int
RectOvalToPostscript(
Tcl_Interp *interp, /* Interpreter for error reporting. */
Tk_Canvas canvas, /* Information about overall canvas. */
Tk_Item *itemPtr, /* Item for which Postscript is wanted. */
int prepass) /* 1 means this is a prepass to collect font
* information; 0 means final Postscript is
* being created. */
{
Tcl_Obj *pathObj, *psObj;
RectOvalItem *rectOvalPtr = (RectOvalItem *) itemPtr;
double y1, y2;
XColor *color;
XColor *fillColor;
Pixmap fillStipple;
Tk_State state = itemPtr->state;
Tcl_InterpState interpState;
y1 = Tk_CanvasPsY(canvas, rectOvalPtr->bbox[1]);
y2 = Tk_CanvasPsY(canvas, rectOvalPtr->bbox[3]);
/*
* Generate a string that creates a path for the rectangle or oval. This
* is the only part of the function's code that is type-specific.
*/
if (rectOvalPtr->header.typePtr == &tkRectangleType) {
pathObj = Tcl_ObjPrintf(
"%.15g %.15g moveto "
"%.15g 0 rlineto "
"0 %.15g rlineto "
"%.15g 0 rlineto "
"closepath\n",
rectOvalPtr->bbox[0], y1,
rectOvalPtr->bbox[2]-rectOvalPtr->bbox[0],
y2-y1,
rectOvalPtr->bbox[0]-rectOvalPtr->bbox[2]);
} else {
pathObj = Tcl_ObjPrintf(
"matrix currentmatrix\n"
"%.15g %.15g translate "
"%.15g %.15g scale "
"1 0 moveto 0 0 1 0 360 arc\n"
"setmatrix\n",
(rectOvalPtr->bbox[0] + rectOvalPtr->bbox[2])/2, (y1 + y2)/2,
(rectOvalPtr->bbox[2] - rectOvalPtr->bbox[0])/2, (y1 - y2)/2);
}
if (state == TK_STATE_NULL) {
state = Canvas(canvas)->canvas_state;
}
color = rectOvalPtr->outline.color;
fillColor = rectOvalPtr->fillColor;
fillStipple = rectOvalPtr->fillStipple;
if (Canvas(canvas)->currentItemPtr == itemPtr) {
if (rectOvalPtr->outline.activeColor!=NULL) {
color = rectOvalPtr->outline.activeColor;
}
if (rectOvalPtr->activeFillColor!=NULL) {
fillColor = rectOvalPtr->activeFillColor;
}
if (rectOvalPtr->activeFillStipple!=None) {
fillStipple = rectOvalPtr->activeFillStipple;
}
} else if (state == TK_STATE_DISABLED) {
if (rectOvalPtr->outline.disabledColor!=NULL) {
color = rectOvalPtr->outline.disabledColor;
}
if (rectOvalPtr->disabledFillColor!=NULL) {
fillColor = rectOvalPtr->disabledFillColor;
}
if (rectOvalPtr->disabledFillStipple!=None) {
fillStipple = rectOvalPtr->disabledFillStipple;
}
}
/*
* Make our working space.
*/
psObj = Tcl_NewObj();
interpState = Tcl_SaveInterpState(interp, TCL_OK);
/*
* First draw the filled area of the rectangle.
*/
if (fillColor != NULL) {
Tcl_AppendObjToObj(psObj, pathObj);
Tcl_ResetResult(interp);
if (Tk_CanvasPsColor(interp, canvas, fillColor) != TCL_OK) {
goto error;
}
Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));
if (fillStipple != None) {
Tcl_AppendToObj(psObj, "clip ", -1);
Tcl_ResetResult(interp);
if (Tk_CanvasPsStipple(interp, canvas, fillStipple) != TCL_OK) {
goto error;
}
Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));
if (color != NULL) {
Tcl_AppendToObj(psObj, "grestore gsave\n", -1);
}
} else {
Tcl_AppendToObj(psObj, "fill\n", -1);
}
}
/*
* Now draw the outline, if there is one.
*/
if (color != NULL) {
Tcl_AppendObjToObj(psObj, pathObj);
Tcl_AppendToObj(psObj, "0 setlinejoin 2 setlinecap\n", -1);
Tcl_ResetResult(interp);
if (Tk_CanvasPsOutline(canvas, itemPtr,
&rectOvalPtr->outline)!= TCL_OK) {
goto error;
}
Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));
}
/*
* Plug the accumulated postscript back into the result.
*/
(void) Tcl_RestoreInterpState(interp, interpState);
Tcl_AppendObjToObj(Tcl_GetObjResult(interp), psObj);
Tcl_DecrRefCount(psObj);
Tcl_DecrRefCount(pathObj);
return TCL_OK;
error:
Tcl_DiscardInterpState(interpState);
Tcl_DecrRefCount(psObj);
Tcl_DecrRefCount(pathObj);
return TCL_ERROR;
}
static int
RectOvalToPostscript(
Tcl_Interp *interp, /* Interpreter for error reporting. */
Tk_Canvas canvas, /* Information about overall canvas. */
Tk_Item *itemPtr, /* Item for which Postscript is wanted. */
int prepass) /* 1 means this is a prepass to collect font
* information; 0 means final Postscript is
* being created. */
{
char pathCmd[500];
RectOvalItem *rectOvalPtr = (RectOvalItem *) itemPtr;
double y1, y2;
XColor *color;
XColor *fillColor;
Pixmap fillStipple;
Tk_State state = itemPtr->state;
y1 = Tk_CanvasPsY(canvas, rectOvalPtr->bbox[1]);
y2 = Tk_CanvasPsY(canvas, rectOvalPtr->bbox[3]);
/*
* Generate a string that creates a path for the rectangle or oval. This
* is the only part of the function's code that is type-specific.
*/
if (rectOvalPtr->header.typePtr == &tkRectangleType) {
sprintf(pathCmd, "%.15g %.15g moveto %.15g 0 rlineto 0 %.15g rlineto %.15g 0 rlineto closepath\n",
rectOvalPtr->bbox[0], y1,
rectOvalPtr->bbox[2]-rectOvalPtr->bbox[0], y2-y1,
rectOvalPtr->bbox[0]-rectOvalPtr->bbox[2]);
} else {
sprintf(pathCmd, "matrix currentmatrix\n%.15g %.15g translate %.15g %.15g scale 1 0 moveto 0 0 1 0 360 arc\nsetmatrix\n",
(rectOvalPtr->bbox[0] + rectOvalPtr->bbox[2])/2, (y1 + y2)/2,
(rectOvalPtr->bbox[2] - rectOvalPtr->bbox[0])/2, (y1 - y2)/2);
}
if (state == TK_STATE_NULL) {
state = Canvas(canvas)->canvas_state;
}
color = rectOvalPtr->outline.color;
fillColor = rectOvalPtr->fillColor;
fillStipple = rectOvalPtr->fillStipple;
if (Canvas(canvas)->currentItemPtr == itemPtr) {
if (rectOvalPtr->outline.activeColor!=NULL) {
color = rectOvalPtr->outline.activeColor;
}
if (rectOvalPtr->activeFillColor!=NULL) {
fillColor = rectOvalPtr->activeFillColor;
}
if (rectOvalPtr->activeFillStipple!=None) {
fillStipple = rectOvalPtr->activeFillStipple;
}
} else if (state == TK_STATE_DISABLED) {
if (rectOvalPtr->outline.disabledColor!=NULL) {
color = rectOvalPtr->outline.disabledColor;
}
if (rectOvalPtr->disabledFillColor!=NULL) {
fillColor = rectOvalPtr->disabledFillColor;
}
if (rectOvalPtr->disabledFillStipple!=None) {
fillStipple = rectOvalPtr->disabledFillStipple;
}
}
/*
* First draw the filled area of the rectangle.
*/
if (fillColor != NULL) {
Tcl_AppendResult(interp, pathCmd, NULL);
if (Tk_CanvasPsColor(interp, canvas, fillColor) != TCL_OK) {
return TCL_ERROR;
}
if (fillStipple != None) {
Tcl_AppendResult(interp, "clip ", NULL);
if (Tk_CanvasPsStipple(interp, canvas, fillStipple) != TCL_OK) {
return TCL_ERROR;
}
if (color != NULL) {
Tcl_AppendResult(interp, "grestore gsave\n", NULL);
}
} else {
Tcl_AppendResult(interp, "fill\n", NULL);
}
}
/*
* Now draw the outline, if there is one.
*/
if (color != NULL) {
Tcl_AppendResult(interp, pathCmd, "0 setlinejoin 2 setlinecap\n",
NULL);
if (Tk_CanvasPsOutline(canvas, itemPtr,
&rectOvalPtr->outline)!= TCL_OK) {
return TCL_ERROR;
}
}
return TCL_OK;
}
