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Diffstat (limited to 'generic/tkCanvArc.c')
-rw-r--r--generic/tkCanvArc.c159
1 files changed, 100 insertions, 59 deletions
diff --git a/generic/tkCanvArc.c b/generic/tkCanvArc.c
index 6cbc89b..4e4c582 100644
--- a/generic/tkCanvArc.c
+++ b/generic/tkCanvArc.c
@@ -344,27 +344,23 @@ ArcCoords(
ArcItem *arcPtr = (ArcItem *) itemPtr;
if (objc == 0) {
- Tcl_Obj *obj = Tcl_NewObj();
- Tcl_Obj *subobj = Tcl_NewDoubleObj(arcPtr->bbox[0]);
-
- Tcl_ListObjAppendElement(interp, obj, subobj);
- subobj = Tcl_NewDoubleObj(arcPtr->bbox[1]);
- Tcl_ListObjAppendElement(interp, obj, subobj);
- subobj = Tcl_NewDoubleObj(arcPtr->bbox[2]);
- Tcl_ListObjAppendElement(interp, obj, subobj);
- subobj = Tcl_NewDoubleObj(arcPtr->bbox[3]);
- Tcl_ListObjAppendElement(interp, obj, subobj);
- Tcl_SetObjResult(interp, obj);
+ Tcl_Obj *objs[4];
+
+ objs[0] = Tcl_NewDoubleObj(arcPtr->bbox[0]);
+ objs[1] = Tcl_NewDoubleObj(arcPtr->bbox[1]);
+ objs[2] = Tcl_NewDoubleObj(arcPtr->bbox[2]);
+ objs[3] = Tcl_NewDoubleObj(arcPtr->bbox[3]);
+ Tcl_SetObjResult(interp, Tcl_NewListObj(4, objs));
} else if ((objc == 1)||(objc == 4)) {
if (objc==1) {
if (Tcl_ListObjGetElements(interp, objv[0], &objc,
(Tcl_Obj ***) &objv) != TCL_OK) {
return TCL_ERROR;
} else if (objc != 4) {
- char buf[64 + TCL_INTEGER_SPACE];
-
- sprintf(buf, "wrong # coordinates: expected 4, got %d", objc);
- Tcl_SetResult(interp, buf, TCL_VOLATILE);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "wrong # coordinates: expected 4, got %d", objc));
+ Tcl_SetErrorCode(interp, "TK", "CANVAS", "COORDS", "ARC",
+ NULL);
return TCL_ERROR;
}
}
@@ -380,10 +376,9 @@ ArcCoords(
}
ComputeArcBbox(canvas, arcPtr);
} else {
- char buf[64 + TCL_INTEGER_SPACE];
-
- sprintf(buf, "wrong # coordinates: expected 0 or 4, got %d", objc);
- Tcl_SetResult(interp, buf, TCL_VOLATILE);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "wrong # coordinates: expected 0 or 4, got %d", objc));
+ Tcl_SetErrorCode(interp, "TK", "CANVAS", "COORDS", "ARC", NULL);
return TCL_ERROR;
}
return TCL_OK;
@@ -1823,13 +1818,14 @@ ArcToPostscript(
* being created. */
{
ArcItem *arcPtr = (ArcItem *) itemPtr;
- char buffer[400];
double y1, y2, ang1, ang2;
XColor *color;
Pixmap stipple;
XColor *fillColor;
Pixmap fillStipple;
Tk_State state = itemPtr->state;
+ Tcl_Obj *psObj;
+ Tcl_InterpState interpState;
y1 = Tk_CanvasPsY(canvas, arcPtr->bbox[1]);
y2 = Tk_CanvasPsY(canvas, arcPtr->bbox[3]);
@@ -1876,37 +1872,51 @@ ArcToPostscript(
}
/*
+ * Make our working space.
+ */
+
+ psObj = Tcl_NewObj();
+ interpState = Tcl_SaveInterpState(interp, TCL_OK);
+
+ /*
* If the arc is filled, output Postscript for the interior region of the
* arc.
*/
if (arcPtr->fillGC != None) {
- sprintf(buffer, "matrix currentmatrix\n%.15g %.15g translate %.15g %.15g scale\n",
+ Tcl_AppendPrintfToObj(psObj,
+ "matrix currentmatrix\n"
+ "%.15g %.15g translate %.15g %.15g scale\n",
(arcPtr->bbox[0] + arcPtr->bbox[2])/2, (y1 + y2)/2,
(arcPtr->bbox[2] - arcPtr->bbox[0])/2, (y1 - y2)/2);
- Tcl_AppendResult(interp, buffer, NULL);
- if (arcPtr->style == CHORD_STYLE) {
- sprintf(buffer, "0 0 1 %.15g %.15g arc closepath\nsetmatrix\n",
- ang1, ang2);
- } else {
- sprintf(buffer,
- "0 0 moveto 0 0 1 %.15g %.15g arc closepath\nsetmatrix\n",
- ang1, ang2);
+
+ if (arcPtr->style != CHORD_STYLE) {
+ Tcl_AppendToObj(psObj, "0 0 moveto ", -1);
}
- Tcl_AppendResult(interp, buffer, NULL);
+ Tcl_AppendPrintfToObj(psObj,
+ "0 0 1 %.15g %.15g arc closepath\nsetmatrix\n",
+ ang1, ang2);
+
+ Tcl_ResetResult(interp);
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, "clip ", NULL);
+ Tcl_AppendToObj(psObj, "clip ", -1);
+
+ Tcl_ResetResult(interp);
if (Tk_CanvasPsStipple(interp, canvas, fillStipple) != TCL_OK) {
- return TCL_ERROR;
+ goto error;
}
+ Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));
+
if (arcPtr->outline.gc != None) {
- Tcl_AppendResult(interp, "grestore gsave\n", NULL);
+ Tcl_AppendToObj(psObj, "grestore gsave\n", -1);
}
} else {
- Tcl_AppendResult(interp, "fill\n", NULL);
+ Tcl_AppendToObj(psObj, "fill\n", -1);
}
}
@@ -1915,57 +1925,86 @@ ArcToPostscript(
*/
if (arcPtr->outline.gc != None) {
- sprintf(buffer, "matrix currentmatrix\n%.15g %.15g translate %.15g %.15g scale\n",
+ Tcl_AppendPrintfToObj(psObj,
+ "matrix currentmatrix\n"
+ "%.15g %.15g translate %.15g %.15g scale\n",
(arcPtr->bbox[0] + arcPtr->bbox[2])/2, (y1 + y2)/2,
(arcPtr->bbox[2] - arcPtr->bbox[0])/2, (y1 - y2)/2);
- Tcl_AppendResult(interp, buffer, NULL);
- sprintf(buffer, "0 0 1 %.15g %.15g", ang1, ang2);
- Tcl_AppendResult(interp, buffer,
- " arc\nsetmatrix\n0 setlinecap\n", NULL);
- if (Tk_CanvasPsOutline(canvas, itemPtr, &(arcPtr->outline)) != TCL_OK){
- return TCL_ERROR;
+ Tcl_AppendPrintfToObj(psObj,
+ "0 0 1 %.15g %.15g arc\nsetmatrix\n0 setlinecap\n",
+ ang1, ang2);
+
+ Tcl_ResetResult(interp);
+ if (Tk_CanvasPsOutline(canvas, itemPtr, &arcPtr->outline) != TCL_OK) {
+ goto error;
}
+ Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));
+
if (arcPtr->style != ARC_STYLE) {
- Tcl_AppendResult(interp, "grestore gsave\n", NULL);
+ Tcl_AppendToObj(psObj, "grestore gsave\n", -1);
+
+ Tcl_ResetResult(interp);
if (arcPtr->style == CHORD_STYLE) {
Tk_CanvasPsPath(interp, canvas, arcPtr->outlinePtr,
CHORD_OUTLINE_PTS);
} else {
Tk_CanvasPsPath(interp, canvas, arcPtr->outlinePtr,
PIE_OUTLINE1_PTS);
- if (Tk_CanvasPsColor(interp, canvas, color)
- != TCL_OK) {
- return TCL_ERROR;
+ if (Tk_CanvasPsColor(interp, canvas, color) != TCL_OK) {
+ goto error;
}
+ Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));
+
if (stipple != None) {
- Tcl_AppendResult(interp, "clip ", NULL);
- if (Tk_CanvasPsStipple(interp, canvas, stipple) != TCL_OK){
- return TCL_ERROR;
+ Tcl_AppendToObj(psObj, "clip ", -1);
+
+ Tcl_ResetResult(interp);
+ if (Tk_CanvasPsStipple(interp, canvas, stipple) !=TCL_OK){
+ goto error;
}
+ Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));
} else {
- Tcl_AppendResult(interp, "fill\n", NULL);
+ Tcl_AppendToObj(psObj, "fill\n", -1);
}
- Tcl_AppendResult(interp, "grestore gsave\n", NULL);
+ Tcl_AppendToObj(psObj, "grestore gsave\n", -1);
+
+ Tcl_ResetResult(interp);
Tk_CanvasPsPath(interp, canvas,
arcPtr->outlinePtr + 2*PIE_OUTLINE1_PTS,
PIE_OUTLINE2_PTS);
}
- if (Tk_CanvasPsColor(interp, canvas, color)
- != TCL_OK) {
- return TCL_ERROR;
+ if (Tk_CanvasPsColor(interp, canvas, color) != TCL_OK) {
+ 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);
}
}
}
+ /*
+ * Plug the accumulated postscript back into the result.
+ */
+
+ (void) Tcl_RestoreInterpState(interp, interpState);
+ Tcl_AppendObjToObj(Tcl_GetObjResult(interp), psObj);
+ Tcl_DecrRefCount(psObj);
return TCL_OK;
+
+ error:
+ Tcl_DiscardInterpState(interpState);
+ Tcl_DecrRefCount(psObj);
+ return TCL_ERROR;
}
/*
@@ -2021,8 +2060,10 @@ StyleParseProc(
return TCL_OK;
}
- Tcl_AppendResult(interp, "bad -style option \"", value,
- "\": must be arc, chord, or pieslice", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "bad -style option \"%s\": must be arc, chord, or pieslice",
+ value));
+ Tcl_SetErrorCode(interp, "TK", "CANVAS", "ARC_STYLE", NULL);
*stylePtr = PIESLICE_STYLE;
return TCL_ERROR;
}
generated by cgit v0.12 at 2024-11-01 20:42:30 (GMT)