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-rw-r--r--generic/tkCanvPoly.c80
1 files changed, 61 insertions, 19 deletions
diff --git a/generic/tkCanvPoly.c b/generic/tkCanvPoly.c
index da47a3f..7e2834d 100644
--- a/generic/tkCanvPoly.c
+++ b/generic/tkCanvPoly.c
@@ -1801,13 +1801,15 @@ PolygonToPostscript(
* being created. */
{
PolygonItem *polyPtr = (PolygonItem *) itemPtr;
- const char *style;
+ int style;
XColor *color;
XColor *fillColor;
Pixmap stipple;
Pixmap fillStipple;
Tk_State state = itemPtr->state;
double width;
+ Tcl_Obj *psObj;
+ Tcl_InterpState interpState;
if (polyPtr->numPoints < 2 || polyPtr->coordPtr == NULL) {
return TCL_OK;
@@ -1854,9 +1856,17 @@ PolygonToPostscript(
fillStipple = polyPtr->disabledFillStipple;
}
}
+
+ /*
+ * Make our working space.
+ */
+
+ psObj = Tcl_NewObj();
+ interpState = Tcl_SaveInterpState(interp, TCL_OK);
+
if (polyPtr->numPoints == 2) {
if (color == NULL) {
- return TCL_OK;
+ goto done;
}
/*
@@ -1864,7 +1874,7 @@ PolygonToPostscript(
* tiny to be used directly...)
*/
- Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ Tcl_AppendPrintfToObj(psObj,
"matrix currentmatrix\n" /* save state */
"%.15g %.15g translate " /* go to drawing location */
"%.15g %.15g scale " /* scale the drawing */
@@ -1873,24 +1883,30 @@ PolygonToPostscript(
"setmatrix\n", /* restore state */
polyPtr->coordPtr[0],
Tk_CanvasPsY(canvas, polyPtr->coordPtr[1]),
- width/2.0, width/2.0));
+ width/2.0, width/2.0);
/*
* Color it in.
*/
+ Tcl_ResetResult(interp);
if (Tk_CanvasPsColor(interp, canvas, color) != TCL_OK) {
- return TCL_ERROR;
+ goto error;
}
+ Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));
+
if (stipple != None) {
- Tcl_AppendResult(interp, "clip ", NULL);
+ Tcl_AppendToObj(psObj, "clip ", -1);
+
+ Tcl_ResetResult(interp);
if (Tk_CanvasPsStipple(interp, canvas, stipple) != TCL_OK) {
- return TCL_ERROR;
+ goto error;
}
+ Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));
} else {
- Tcl_AppendResult(interp, "fill\n", NULL);
+ Tcl_AppendToObj(psObj, "fill\n", -1);
}
- return TCL_OK;
+ goto done;
}
/*
@@ -1898,6 +1914,7 @@ PolygonToPostscript(
*/
if (fillColor != NULL && polyPtr->numPoints > 3) {
+ Tcl_ResetResult(interp);
if (!polyPtr->smooth || !polyPtr->smooth->postscriptProc) {
Tk_CanvasPsPath(interp, canvas, polyPtr->coordPtr,
polyPtr->numPoints);
@@ -1906,18 +1923,24 @@ PolygonToPostscript(
polyPtr->numPoints, polyPtr->splineSteps);
}
if (Tk_CanvasPsColor(interp, canvas, fillColor) != TCL_OK) {
- return TCL_ERROR;
+ goto error;
}
+ Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));
+
if (fillStipple != None) {
- Tcl_AppendResult(interp, "eoclip ", NULL);
+ Tcl_AppendToObj(psObj, "eoclip ", -1);
+
+ Tcl_ResetResult(interp);
if (Tk_CanvasPsStipple(interp, canvas, fillStipple) != TCL_OK) {
- return TCL_ERROR;
+ goto error;
}
+ Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));
+
if (color != NULL) {
- Tcl_AppendResult(interp, "grestore gsave\n", NULL);
+ Tcl_AppendToObj(psObj, "grestore gsave\n", -1);
}
} else {
- Tcl_AppendResult(interp, "eofill\n", NULL);
+ Tcl_AppendToObj(psObj, "eofill\n", -1);
}
}
@@ -1926,6 +1949,7 @@ PolygonToPostscript(
*/
if (color != NULL) {
+ Tcl_ResetResult(interp);
if (!polyPtr->smooth || !polyPtr->smooth->postscriptProc) {
Tk_CanvasPsPath(interp, canvas, polyPtr->coordPtr,
polyPtr->numPoints);
@@ -1933,20 +1957,38 @@ PolygonToPostscript(
polyPtr->smooth->postscriptProc(interp, canvas, polyPtr->coordPtr,
polyPtr->numPoints, polyPtr->splineSteps);
}
+ Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));
if (polyPtr->joinStyle == JoinRound) {
- style = "1";
+ style = 1;
} else if (polyPtr->joinStyle == JoinBevel) {
- style = "2";
+ style = 2;
} else {
- style = "0";
+ style = 0;
}
- Tcl_AppendResult(interp, style, " setlinejoin 1 setlinecap\n", NULL);
+ Tcl_AppendPrintfToObj(psObj, "%d setlinejoin 1 setlinecap\n", style);
+
+ Tcl_ResetResult(interp);
if (Tk_CanvasPsOutline(canvas, itemPtr, &polyPtr->outline) != TCL_OK){
- return TCL_ERROR;
+ goto error;
}
+ Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));
}
+
+ /*
+ * Plug the accumulated postscript back into the result.
+ */
+
+ done:
+ (void) Tcl_RestoreInterpState(interp, interpState);
+ Tcl_AppendResult(interp, Tcl_GetString(psObj), NULL);
+ Tcl_DecrRefCount(psObj);
return TCL_OK;
+
+ error:
+ Tcl_DiscardInterpState(interpState);
+ Tcl_DecrRefCount(psObj);
+ return TCL_ERROR;
}
/*