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-rw-r--r--generic/tkCanvArc.c120
-rw-r--r--generic/tkCanvBmap.c65
-rw-r--r--generic/tkCanvImg.c14
-rw-r--r--generic/tkCanvLine.c111
-rw-r--r--generic/tkCanvPoly.c80
-rw-r--r--generic/tkCanvPs.c414
-rw-r--r--generic/tkCanvText.c57
-rw-r--r--generic/tkCanvUtil.c98
-rw-r--r--generic/tkCanvWind.c65
9 files changed, 640 insertions, 384 deletions
diff --git a/generic/tkCanvArc.c b/generic/tkCanvArc.c
index 434ca66..d32c717 100644
--- a/generic/tkCanvArc.c
+++ b/generic/tkCanvArc.c
@@ -1818,13 +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]);
@@ -1871,37 +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);
}
}
@@ -1910,57 +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_AppendResult(interp, Tcl_GetString(psObj), NULL);
+ Tcl_DecrRefCount(psObj);
return TCL_OK;
+
+ error:
+ Tcl_DiscardInterpState(interpState);
+ Tcl_DecrRefCount(psObj);
+ return TCL_ERROR;
}
/*
diff --git a/generic/tkCanvBmap.c b/generic/tkCanvBmap.c
index bf58779..65c4b59 100644
--- a/generic/tkCanvBmap.c
+++ b/generic/tkCanvBmap.c
@@ -850,11 +850,12 @@ BitmapToPostscript(
double x, y;
int width, height, rowsAtOnce, rowsThisTime;
int curRow;
- char buffer[100 + TCL_DOUBLE_SPACE * 2 + TCL_INTEGER_SPACE * 4];
XColor *fgColor;
XColor *bgColor;
Pixmap bitmap;
Tk_State state = itemPtr->state;
+ Tcl_Obj *psObj;
+ Tcl_InterpState interpState;
if (state == TK_STATE_NULL) {
state = Canvas(canvas)->canvas_state;
@@ -910,18 +911,29 @@ BitmapToPostscript(
}
/*
+ * Make our working space.
+ */
+
+ psObj = Tcl_NewObj();
+ interpState = Tcl_SaveInterpState(interp, TCL_OK);
+
+ /*
* Color the background, if there is one.
*/
if (bgColor != NULL) {
- sprintf(buffer,
- "%.15g %.15g moveto %d 0 rlineto 0 %d rlineto %d %s\n",
- x, y, width, height, -width, "0 rlineto closepath");
- Tcl_AppendResult(interp, buffer, NULL);
+ Tcl_AppendPrintfToObj(psObj,
+ "%.15g %.15g moveto %d 0 rlineto 0 %d rlineto "
+ "%d 0 rlineto closepath\n",
+ x, y, width, height, -width);
+
+ Tcl_ResetResult(interp);
if (Tk_CanvasPsColor(interp, canvas, bgColor) != TCL_OK) {
- return TCL_ERROR;
+ goto error;
}
- Tcl_AppendResult(interp, "fill\n", NULL);
+ Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));
+
+ Tcl_AppendToObj(psObj, "fill\n", -1);
}
/*
@@ -932,38 +944,61 @@ BitmapToPostscript(
*/
if (fgColor != NULL) {
+ Tcl_ResetResult(interp);
if (Tk_CanvasPsColor(interp, canvas, fgColor) != TCL_OK) {
- return TCL_ERROR;
+ goto error;
}
+ Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));
+
if (width > 60000) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(
"can't generate Postscript for bitmaps more than 60000"
" pixels wide", -1));
Tcl_SetErrorCode(interp, "TK", "CANVAS", "PS", "MEMLIMIT", NULL);
- return TCL_ERROR;
+ goto error;
}
+
rowsAtOnce = 60000/width;
if (rowsAtOnce < 1) {
rowsAtOnce = 1;
}
- sprintf(buffer, "%.15g %.15g translate\n", x, y+height);
- Tcl_AppendResult(interp, buffer, NULL);
+
+ Tcl_AppendPrintfToObj(psObj, "%.15g %.15g translate\n", x, y+height);
+
for (curRow = 0; curRow < height; curRow += rowsAtOnce) {
rowsThisTime = rowsAtOnce;
if (rowsThisTime > (height - curRow)) {
rowsThisTime = height - curRow;
}
- sprintf(buffer, "0 -%.15g translate\n%d %d true matrix {\n",
+
+ Tcl_AppendPrintfToObj(psObj,
+ "0 -%.15g translate\n%d %d true matrix {\n",
(double) rowsThisTime, width, rowsThisTime);
- Tcl_AppendResult(interp, buffer, NULL);
+
+ Tcl_ResetResult(interp);
if (Tk_CanvasPsBitmap(interp, canvas, bitmap,
0, curRow, width, rowsThisTime) != TCL_OK) {
- return TCL_ERROR;
+ goto error;
}
- Tcl_AppendResult(interp, "\n} imagemask\n", NULL);
+ Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));
+
+ Tcl_AppendToObj(psObj, "\n} imagemask\n", -1);
}
}
+
+ /*
+ * Plug the accumulated postscript back into the result.
+ */
+
+ (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;
}
/*
diff --git a/generic/tkCanvImg.c b/generic/tkCanvImg.c
index 172f26d..899741a 100644
--- a/generic/tkCanvImg.c
+++ b/generic/tkCanvImg.c
@@ -695,14 +695,12 @@ ImageToPostscript(
{
ImageItem *imgPtr = (ImageItem *) itemPtr;
Tk_Window canvasWin = Tk_CanvasTkwin(canvas);
-
- char buffer[256];
double x, y;
int width, height;
Tk_Image image;
Tk_State state = itemPtr->state;
- if(state == TK_STATE_NULL) {
+ if (state == TK_STATE_NULL) {
state = Canvas(canvas)->canvas_state;
}
@@ -746,8 +744,14 @@ ImageToPostscript(
}
if (!prepass) {
- sprintf(buffer, "%.15g %.15g", x, y);
- Tcl_AppendResult(interp, buffer, " translate\n", NULL);
+ Tcl_Obj *psObj = Tcl_GetObjResult(interp);
+
+ if (Tcl_IsShared(psObj)) {
+ psObj = Tcl_DuplicateObj(psObj);
+ Tcl_SetObjResult(interp, psObj);
+ }
+
+ Tcl_AppendPrintfToObj(psObj, "%.15g %.15g translate\n", x, y);
}
return Tk_PostscriptImage(image, interp, canvasWin,
diff --git a/generic/tkCanvLine.c b/generic/tkCanvLine.c
index d631c64..ce51759 100644
--- a/generic/tkCanvLine.c
+++ b/generic/tkCanvLine.c
@@ -75,7 +75,7 @@ typedef struct LineItem {
static int ArrowheadPostscript(Tcl_Interp *interp,
Tk_Canvas canvas, LineItem *linePtr,
- double *arrowPtr);
+ double *arrowPtr, Tcl_Obj *psObj);
static void ComputeLineBbox(Tk_Canvas canvas, LineItem *linePtr);
static int ConfigureLine(Tcl_Interp *interp,
Tk_Canvas canvas, Tk_Item *itemPtr, int objc,
@@ -2259,13 +2259,13 @@ LineToPostscript(
* being created. */
{
LineItem *linePtr = (LineItem *) itemPtr;
- char buffer[64 + TCL_INTEGER_SPACE];
- const char *style;
-
+ int style;
double width;
XColor *color;
Pixmap stipple;
Tk_State state = itemPtr->state;
+ Tcl_Obj *psObj;
+ Tcl_InterpState interpState;
if (state == TK_STATE_NULL) {
state = Canvas(canvas)->canvas_state;
@@ -2300,30 +2300,50 @@ LineToPostscript(
return TCL_OK;
}
+ /*
+ * Make our working space.
+ */
+
+ psObj = Tcl_NewObj();
+ interpState = Tcl_SaveInterpState(interp, TCL_OK);
+
+ /*
+ * Check if we're just doing a "pixel".
+ */
+
if (linePtr->numPoints == 1) {
- sprintf(buffer, "%.15g %.15g translate %.15g %.15g",
+ Tcl_AppendToObj(psObj, "matrix currentmatrix\n", -1);
+ Tcl_AppendPrintfToObj(psObj, "%.15g %.15g translate %.15g %.15g",
linePtr->coordPtr[0], Tk_CanvasPsY(canvas, linePtr->coordPtr[1]),
width/2.0, width/2.0);
- Tcl_AppendResult(interp, "matrix currentmatrix\n", buffer,
- " scale 1 0 moveto 0 0 1 0 360 arc\nsetmatrix\n", NULL);
+ Tcl_AppendToObj(psObj,
+ " scale 1 0 moveto 0 0 1 0 360 arc\nsetmatrix\n", -1);
+
+ 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;
}
+
/*
* Generate a path for the line's center-line (do this differently for
* straight lines and smoothed lines).
*/
+ Tcl_ResetResult(interp);
if ((!linePtr->smooth) || (linePtr->numPoints < 3)) {
Tk_CanvasPsPath(interp, canvas, linePtr->coordPtr, linePtr->numPoints);
} else if ((stipple == None) && linePtr->smooth->postscriptProc) {
@@ -2355,29 +2375,34 @@ LineToPostscript(
ckfree(pointPtr);
}
}
+ Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));
/*
* Set other line-drawing parameters and stroke out the line.
*/
- style = "0 setlinecap\n";
if (linePtr->capStyle == CapRound) {
- style = "1 setlinecap\n";
+ style = 1;
} else if (linePtr->capStyle == CapProjecting) {
- style = "2 setlinecap\n";
+ style = 2;
+ } else {
+ style = 0;
}
- Tcl_AppendResult(interp, style, NULL);
- style = "0 setlinejoin\n";
+ Tcl_AppendPrintfToObj(psObj, "%d setlinecap\n", style);
if (linePtr->joinStyle == JoinRound) {
- style = "1 setlinejoin\n";
+ style = 1;
} else if (linePtr->joinStyle == JoinBevel) {
- style = "2 setlinejoin\n";
+ style = 2;
+ } else {
+ style = 0;
}
- Tcl_AppendResult(interp, style, NULL);
+ Tcl_AppendPrintfToObj(psObj, "%d setlinejoin\n", style);
+ Tcl_ResetResult(interp);
if (Tk_CanvasPsOutline(canvas, itemPtr, &linePtr->outline) != TCL_OK) {
- return TCL_ERROR;
+ goto error;
}
+ Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));
/*
* Output polygons for the arrowheads, if there are any.
@@ -2385,23 +2410,37 @@ LineToPostscript(
if (linePtr->firstArrowPtr != NULL) {
if (stipple != None) {
- Tcl_AppendResult(interp, "grestore gsave\n", NULL);
+ Tcl_AppendToObj(psObj, "grestore gsave\n", -1);
}
if (ArrowheadPostscript(interp, canvas, linePtr,
- linePtr->firstArrowPtr) != TCL_OK) {
- return TCL_ERROR;
+ linePtr->firstArrowPtr, psObj) != TCL_OK) {
+ goto error;
}
}
if (linePtr->lastArrowPtr != NULL) {
if (stipple != None) {
- Tcl_AppendResult(interp, "grestore gsave\n", NULL);
+ Tcl_AppendToObj(psObj, "grestore gsave\n", -1);
}
if (ArrowheadPostscript(interp, canvas, linePtr,
- linePtr->lastArrowPtr) != TCL_OK) {
- return TCL_ERROR;
+ linePtr->lastArrowPtr, psObj) != TCL_OK) {
+ goto error;
}
}
+
+ /*
+ * 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;
}
/*
@@ -2416,7 +2455,7 @@ LineToPostscript(
* The return value is a standard Tcl result. If an error occurs in
* generating Postscript then an error message is left in the interp's
* result, replacing whatever used to be there. If no error occurs, then
- * Postscript for the arrowhead is appended to the result.
+ * Postscript for the arrowhead is appended to the given object.
*
* Side effects:
* None.
@@ -2426,12 +2465,14 @@ LineToPostscript(
static int
ArrowheadPostscript(
- Tcl_Interp *interp, /* Leave Postscript or error message here. */
+ Tcl_Interp *interp, /* Leave error message here; non-error results
+ * will be discarded by caller. */
Tk_Canvas canvas, /* Information about overall canvas. */
LineItem *linePtr, /* Line item for which Postscript is being
* generated. */
- double *arrowPtr) /* Pointer to first of five points describing
+ double *arrowPtr, /* Pointer to first of five points describing
* arrowhead polygon. */
+ Tcl_Obj *psObj) /* Append postscript to this object. */
{
Pixmap stipple;
Tk_State state = linePtr->header.state;
@@ -2451,14 +2492,20 @@ ArrowheadPostscript(
}
}
+ Tcl_ResetResult(interp);
Tk_CanvasPsPath(interp, canvas, arrowPtr, PTS_IN_ARROW);
+ 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;
}
+ Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));
} else {
- Tcl_AppendResult(interp, "fill\n", NULL);
+ Tcl_AppendToObj(psObj, "fill\n", -1);
}
return TCL_OK;
}
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;
}
/*
diff --git a/generic/tkCanvPs.c b/generic/tkCanvPs.c
index 95bbb29..b6e9a33 100644
--- a/generic/tkCanvPs.c
+++ b/generic/tkCanvPs.c
@@ -134,6 +134,10 @@ static const Tk_ConfigSpec configSpecs[] = {
static int GetPostscriptPoints(Tcl_Interp *interp,
char *string, double *doublePtr);
+static void PostscriptBitmap(Tk_Window tkwin, Pixmap bitmap,
+ int startX, int startY, int width, int height,
+ Tcl_Obj *psObj);
+static inline Tcl_Obj * GetPostscriptBuffer(Tcl_Interp *interp);
/*
*--------------------------------------------------------------
@@ -169,7 +173,6 @@ TkCanvPostscriptCmd(
int written;
Tk_Item *itemPtr;
#define STRING_LENGTH 400
- char string[STRING_LENGTH+1];
const char *p;
time_t now;
size_t length;
@@ -178,6 +181,7 @@ TkCanvPostscriptCmd(
Tcl_HashEntry *hPtr;
Tcl_DString buffer;
Tcl_Obj *preambleObj;
+ Tcl_Obj *psObj;
int deltaX = 0, deltaY = 0; /* Offset of lower-left corner of area to be
* marked up, measured in canvas units from
* the positioning point on the page (reflects
@@ -201,6 +205,7 @@ TkCanvPostscriptCmd(
}
Tcl_IncrRefCount(preambleObj);
Tcl_ResetResult(interp);
+ psObj = Tcl_NewObj();
/*
* Initialize the data structure describing Postscript generation, then
@@ -430,24 +435,27 @@ TkCanvPostscriptCmd(
*/
if (psInfo.prolog) {
- Tcl_AppendResult(interp, "%!PS-Adobe-3.0 EPSF-3.0\n",
- "%%Creator: Tk Canvas Widget\n", NULL);
+ Tcl_AppendToObj(psObj,
+ "%!PS-Adobe-3.0 EPSF-3.0\n"
+ "%%Creator: Tk Canvas Widget\n", -1);
+
#ifdef HAVE_PW_GECOS
if (!Tcl_IsSafe(interp)) {
struct passwd *pwPtr = getpwuid(getuid()); /* INTL: Native. */
- Tcl_AppendResult(interp, "%%For: ",
- (pwPtr != NULL) ? pwPtr->pw_gecos : "Unknown", "\n", NULL);
+ Tcl_AppendPrintfToObj(psObj,
+ "%%%%For: %s\n", (pwPtr ? pwPtr->pw_gecos : "Unknown"));
endpwent();
}
#endif /* HAVE_PW_GECOS */
- Tcl_AppendResult(interp, "%%Title: Window ", Tk_PathName(tkwin), "\n",
- NULL);
+ Tcl_AppendPrintfToObj(psObj,
+ "%%%%Title: Window %s\n", Tk_PathName(tkwin));
time(&now);
- Tcl_AppendResult(interp, "%%CreationDate: ",
- ctime(&now), NULL); /* INTL: Native. */
+ Tcl_AppendPrintfToObj(psObj,
+ "%%%%CreationDate: %s", ctime(&now)); /* INTL: Native. */
if (!psInfo.rotate) {
- sprintf(string, "%d %d %d %d",
+ Tcl_AppendPrintfToObj(psObj,
+ "%%%%BoundingBox: %d %d %d %d\n",
(int) (psInfo.pageX + psInfo.scale*deltaX),
(int) (psInfo.pageY + psInfo.scale*deltaY),
(int) (psInfo.pageX + psInfo.scale*(deltaX + psInfo.width)
@@ -455,58 +463,61 @@ TkCanvPostscriptCmd(
(int) (psInfo.pageY + psInfo.scale*(deltaY + psInfo.height)
+ 1.0));
} else {
- sprintf(string, "%d %d %d %d",
+ Tcl_AppendPrintfToObj(psObj,
+ "%%%%BoundingBox: %d %d %d %d\n",
(int) (psInfo.pageX - psInfo.scale*(deltaY+psInfo.height)),
(int) (psInfo.pageY + psInfo.scale*deltaX),
(int) (psInfo.pageX - psInfo.scale*deltaY + 1.0),
(int) (psInfo.pageY + psInfo.scale*(deltaX + psInfo.width)
+ 1.0));
}
- Tcl_AppendResult(interp, "%%BoundingBox: ", string, "\n", NULL);
- Tcl_AppendResult(interp, "%%Pages: 1\n",
- "%%DocumentData: Clean7Bit\n", NULL);
- Tcl_AppendResult(interp, "%%Orientation: ",
- psInfo.rotate ? "Landscape\n" : "Portrait\n", NULL);
- p = "%%DocumentNeededResources: font ";
+ Tcl_AppendPrintfToObj(psObj,
+ "%%%%Pages: 1\n"
+ "%%%%DocumentData: Clean7Bit\n"
+ "%%%%Orientation: %s\n",
+ psInfo.rotate ? "Landscape" : "Portrait");
+ p = "%%%%DocumentNeededResources: font %s\n";
for (hPtr = Tcl_FirstHashEntry(&psInfo.fontTable, &search);
hPtr != NULL; hPtr = Tcl_NextHashEntry(&search)) {
- Tcl_AppendResult(interp, p,
- Tcl_GetHashKey(&psInfo.fontTable, hPtr), "\n", NULL);
- p = "%%+ font ";
+ Tcl_AppendPrintfToObj(psObj, p,
+ Tcl_GetHashKey(&psInfo.fontTable, hPtr));
+ p = "%%%%+ font %s\n";
}
- Tcl_AppendResult(interp, "%%EndComments\n\n", NULL);
+ Tcl_AppendToObj(psObj, "%%EndComments\n\n", -1);
/*
* Insert the prolog
*/
- Tcl_AppendResult(interp, Tcl_GetString(preambleObj), NULL);
+ Tcl_AppendObjToObj(psObj, preambleObj);
if (psInfo.chan != NULL) {
- written = Tcl_WriteObj(psInfo.chan, Tcl_GetObjResult(interp));
- Tcl_ResetResult(interp);
+ written = Tcl_WriteObj(psInfo.chan, psObj);
if (written == -1) {
channelWriteFailed:
- Tcl_AppendResult(interp,
- "problem writing postscript data to channel: ",
- Tcl_PosixError(interp), NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "problem writing postscript data to channel: %s",
+ Tcl_PosixError(interp)));
result = TCL_ERROR;
goto cleanup;
}
+ Tcl_DecrRefCount(psObj);
+ psObj = Tcl_NewObj();
}
/*
* Document setup: set the color level and include fonts.
*/
- sprintf(string, "/CL %d def\n", psInfo.colorLevel);
- Tcl_AppendResult(interp, "%%BeginSetup\n", string, NULL);
+ Tcl_AppendPrintfToObj(psObj,
+ "%%%%BeginSetup\n/CL %d def\n", psInfo.colorLevel);
for (hPtr = Tcl_FirstHashEntry(&psInfo.fontTable, &search);
hPtr != NULL; hPtr = Tcl_NextHashEntry(&search)) {
- Tcl_AppendResult(interp, "%%IncludeResource: font ",
- Tcl_GetHashKey(&psInfo.fontTable, hPtr), "\n", NULL);
+ Tcl_AppendPrintfToObj(psObj,
+ "%%%%IncludeResource: font %s\n",
+ (char *) Tcl_GetHashKey(&psInfo.fontTable, hPtr));
}
- Tcl_AppendResult(interp, "%%EndSetup\n\n", NULL);
+ Tcl_AppendToObj(psObj, "%%EndSetup\n\n", -1);
/*
* Page setup: move to page positioning point, rotate if needed, set
@@ -514,18 +525,19 @@ TkCanvPostscriptCmd(
* region.
*/
- Tcl_AppendResult(interp, "%%Page: 1 1\n", "save\n", NULL);
- sprintf(string, "%.1f %.1f translate\n", psInfo.pageX, psInfo.pageY);
- Tcl_AppendResult(interp, string, NULL);
+ Tcl_AppendToObj(psObj, "%%Page: 1 1\nsave\n", -1);
+ Tcl_AppendPrintfToObj(psObj,
+ "%.1f %.1f translate\n", psInfo.pageX, psInfo.pageY);
if (psInfo.rotate) {
- Tcl_AppendResult(interp, "90 rotate\n", NULL);
+ Tcl_AppendToObj(psObj, "90 rotate\n", -1);
}
- sprintf(string, "%.4g %.4g scale\n", psInfo.scale, psInfo.scale);
- Tcl_AppendResult(interp, string, NULL);
- sprintf(string, "%d %d translate\n", deltaX - psInfo.x, deltaY);
- Tcl_AppendResult(interp, string, NULL);
- sprintf(string,
- "%d %.15g moveto %d %.15g lineto %d %.15g lineto %d %.15g",
+ Tcl_AppendPrintfToObj(psObj,
+ "%.4g %.4g scale\n", psInfo.scale, psInfo.scale);
+ Tcl_AppendPrintfToObj(psObj,
+ "%d %d translate\n", deltaX - psInfo.x, deltaY);
+ Tcl_AppendPrintfToObj(psObj,
+ "%d %.15g moveto %d %.15g lineto %d %.15g lineto %d %.15g "
+ "lineto closepath clip newpath\n",
psInfo.x, Tk_PostscriptY((double)psInfo.y,
(Tk_PostscriptInfo)psInfoPtr),
psInfo.x2, Tk_PostscriptY((double)psInfo.y,
@@ -534,14 +546,13 @@ TkCanvPostscriptCmd(
(Tk_PostscriptInfo)psInfoPtr),
psInfo.x, Tk_PostscriptY((double)psInfo.y2,
(Tk_PostscriptInfo)psInfoPtr));
- Tcl_AppendResult(interp, string,
- " lineto closepath clip newpath\n", NULL);
- }
- if (psInfo.chan != NULL) {
- written = Tcl_WriteObj(psInfo.chan, Tcl_GetObjResult(interp));
- Tcl_ResetResult(interp);
- if (written == -1) {
- goto channelWriteFailed;
+ if (psInfo.chan != NULL) {
+ written = Tcl_WriteObj(psInfo.chan, psObj);
+ if (written == -1) {
+ goto channelWriteFailed;
+ }
+ Tcl_DecrRefCount(psObj);
+ psObj = Tcl_NewObj();
}
}
@@ -563,7 +574,8 @@ TkCanvPostscriptCmd(
if (itemPtr->state == TK_STATE_HIDDEN) {
continue;
}
- Tcl_AppendResult(interp, "gsave\n", NULL);
+
+ Tcl_ResetResult(interp);
result = itemPtr->typePtr->postscriptProc(interp,
(Tk_Canvas) canvasPtr, itemPtr, 0);
if (result != TCL_OK) {
@@ -572,13 +584,18 @@ TkCanvPostscriptCmd(
itemPtr->id));
goto cleanup;
}
- Tcl_AppendResult(interp, "grestore\n", NULL);
+
+ Tcl_AppendToObj(psObj, "gsave\n", -1);
+ Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));
+ Tcl_AppendToObj(psObj, "grestore\n", -1);
+
if (psInfo.chan != NULL) {
- written = Tcl_WriteObj(psInfo.chan, Tcl_GetObjResult(interp));
- Tcl_ResetResult(interp);
+ written = Tcl_WriteObj(psInfo.chan, psObj);
if (written == -1) {
goto channelWriteFailed;
}
+ Tcl_DecrRefCount(psObj);
+ psObj = Tcl_NewObj();
}
}
@@ -588,17 +605,25 @@ TkCanvPostscriptCmd(
*/
if (psInfo.prolog) {
- Tcl_AppendResult(interp, "restore showpage\n\n",
- "%%Trailer\nend\n%%EOF\n", NULL);
- }
- if (psInfo.chan != NULL) {
- Tcl_WriteObj(psInfo.chan, Tcl_GetObjResult(interp));
- Tcl_ResetResult(interp);
- if (written == -1) {
- goto channelWriteFailed;
+ Tcl_AppendToObj(psObj,
+ "restore showpage\n\n"
+ "%%Trailer\n"
+ "end\n"
+ "%%EOF\n", -1);
+
+ if (psInfo.chan != NULL) {
+ Tcl_WriteObj(psInfo.chan, psObj);
+ if (written == -1) {
+ goto channelWriteFailed;
+ }
}
}
+ if (psInfo.chan == NULL) {
+ Tcl_SetObjResult(interp, psObj);
+ psObj = Tcl_NewObj();
+ }
+
/*
* Clean up psInfo to release malloc'ed stuff.
*/
@@ -637,9 +662,23 @@ TkCanvPostscriptCmd(
Tcl_DeleteHashTable(&psInfo.fontTable);
canvasPtr->psInfo = (Tk_PostscriptInfo) oldInfoPtr;
Tcl_DecrRefCount(preambleObj);
+ Tcl_DecrRefCount(psObj);
return result;
}
+static inline Tcl_Obj *
+GetPostscriptBuffer(
+ Tcl_Interp *interp)
+{
+ Tcl_Obj *psObj = Tcl_GetObjResult(interp);
+
+ if (Tcl_IsShared(psObj)) {
+ psObj = Tcl_DuplicateObj(psObj);
+ Tcl_SetObjResult(interp, psObj);
+ }
+ return psObj;
+}
+
/*
*--------------------------------------------------------------
*
@@ -668,9 +707,7 @@ Tk_PostscriptColor(
XColor *colorPtr) /* Information about color. */
{
TkPostscriptInfo *psInfoPtr = (TkPostscriptInfo *) psInfo;
- int tmp;
double red, green, blue;
- char string[200];
if (psInfoPtr->prepass) {
return TCL_OK;
@@ -682,12 +719,12 @@ Tk_PostscriptColor(
*/
if (psInfoPtr->colorVar != NULL) {
- const char *cmdString;
-
- cmdString = Tcl_GetVar2(interp, psInfoPtr->colorVar,
+ const char *cmdString = Tcl_GetVar2(interp, psInfoPtr->colorVar,
Tk_NameOfColor(colorPtr), 0);
+
if (cmdString != NULL) {
- Tcl_AppendResult(interp, cmdString, "\n", NULL);
+ Tcl_AppendPrintfToObj(GetPostscriptBuffer(interp),
+ "%s\n", cmdString);
return TCL_OK;
}
}
@@ -704,15 +741,12 @@ Tk_PostscriptColor(
* per color, but most diplays use at least 8 bits.
*/
- tmp = colorPtr->red;
- red = ((double) (tmp >> 8))/255.0;
- tmp = colorPtr->green;
- green = ((double) (tmp >> 8))/255.0;
- tmp = colorPtr->blue;
- blue = ((double) (tmp >> 8))/255.0;
- sprintf(string, "%.3f %.3f %.3f setrgbcolor AdjustColor\n",
+ red = ((double) (((int) colorPtr->red) >> 8))/255.0;
+ green = ((double) (((int) colorPtr->green) >> 8))/255.0;
+ blue = ((double) (((int) colorPtr->blue) >> 8))/255.0;
+ Tcl_AppendPrintfToObj(GetPostscriptBuffer(interp),
+ "%.3f %.3f %.3f setrgbcolor AdjustColor\n",
red, green, blue);
- Tcl_AppendResult(interp, string, NULL);
return TCL_OK;
}
@@ -746,9 +780,9 @@ Tk_PostscriptFont(
* be printed. */
{
TkPostscriptInfo *psInfoPtr = (TkPostscriptInfo *) psInfo;
- char pointString[TCL_INTEGER_SPACE];
Tcl_DString ds;
int i, points;
+ const char *fontname;
/*
* First, look up the font's name in the font map, if there is one. If
@@ -764,14 +798,12 @@ Tk_PostscriptFont(
Tcl_Obj *list = Tcl_GetVar2Ex(interp, psInfoPtr->fontVar, name, 0);
if (list != NULL) {
- const char *fontname;
-
if (Tcl_ListObjGetElements(interp, list, &objc, &objv) != TCL_OK
|| objc != 2
- || Tcl_GetString(objv[0])[0] == '\0'
+ || (fontname = Tcl_GetString(objv[0]))[0] == '\0'
+ || strchr(fontname, ' ') != NULL
|| Tcl_GetDoubleFromObj(interp, objv[1], &size) != TCL_OK
|| size <= 0) {
- Tcl_ResetResult(interp);
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
"bad font map entry for \"%s\": \"%s\"",
name, Tcl_GetString(list)));
@@ -780,15 +812,10 @@ Tk_PostscriptFont(
return TCL_ERROR;
}
- fontname = Tcl_GetString(objv[0]);
- sprintf(pointString, "%d", (int) size);
-
- Tcl_AppendResult(interp, "/", fontname, " findfont ",
- pointString, " scalefont ", NULL);
- if (strncasecmp(fontname, "Symbol", 7) != 0) {
- Tcl_AppendResult(interp, "ISOEncode ", NULL);
- }
- Tcl_AppendResult(interp, "setfont\n", NULL);
+ Tcl_AppendPrintfToObj(GetPostscriptBuffer(interp),
+ "/%s findfont %d scalefont%s setfont\n",
+ fontname, (int) size,
+ strncasecmp(fontname, "Symbol", 7) ? " ISOEncode" : "");
Tcl_CreateHashEntry(&psInfoPtr->fontTable, fontname, &i);
return TCL_OK;
}
@@ -800,13 +827,11 @@ Tk_PostscriptFont(
Tcl_DStringInit(&ds);
points = Tk_PostscriptFontName(tkfont, &ds);
- sprintf(pointString, "%d", TkFontGetPoints(psInfoPtr->tkwin, points));
- Tcl_AppendResult(interp, "/", Tcl_DStringValue(&ds), " findfont ",
- pointString, " scalefont ", NULL);
- if (strncasecmp(Tcl_DStringValue(&ds), "Symbol", 7) != 0) {
- Tcl_AppendResult(interp, "ISOEncode ", NULL);
- }
- Tcl_AppendResult(interp, "setfont\n", NULL);
+ fontname = Tcl_DStringValue(&ds);
+ Tcl_AppendPrintfToObj(GetPostscriptBuffer(interp),
+ "/%s findfont %d scalefont%s setfont\n",
+ fontname, TkFontGetPoints(psInfoPtr->tkwin, points),
+ strncasecmp(fontname, "Symbol", 7) ? " ISOEncode" : "");
Tcl_CreateHashEntry(&psInfoPtr->fontTable, Tcl_DStringValue(&ds), &i);
Tcl_DStringFree(&ds);
@@ -844,18 +869,32 @@ Tk_PostscriptBitmap(
int width, int height) /* Height of rectangular region. */
{
TkPostscriptInfo *psInfoPtr = (TkPostscriptInfo *) psInfo;
+
+ if (psInfoPtr->prepass) {
+ return TCL_OK;
+ }
+
+ PostscriptBitmap(tkwin, bitmap, startX, startY, width, height,
+ GetPostscriptBuffer(interp));
+ return TCL_OK;
+}
+
+static void
+PostscriptBitmap(
+ Tk_Window tkwin,
+ Pixmap bitmap, /* Bitmap for which to generate Postscript. */
+ int startX, int startY, /* Coordinates of upper-left corner of
+ * rectangular region to output. */
+ int width, int height, /* Height of rectangular region. */
+ Tcl_Obj *psObj) /* Where to append the postscript. */
+{
XImage *imagePtr;
int charsInLine, x, y, lastX, lastY, value, mask;
unsigned int totalWidth, totalHeight;
- char string[100];
Window dummyRoot;
int dummyX, dummyY;
unsigned dummyBorderwidth, dummyDepth;
- if (psInfoPtr->prepass) {
- return TCL_OK;
- }
-
/*
* The following call should probably be a call to Tk_SizeOfBitmap
* instead, but it seems that we are occasionally invoked by custom item
@@ -869,7 +908,8 @@ Tk_PostscriptBitmap(
(unsigned int *) &totalHeight, &dummyBorderwidth, &dummyDepth);
imagePtr = XGetImage(Tk_Display(tkwin), bitmap, 0, 0,
totalWidth, totalHeight, 1, XYPixmap);
- Tcl_AppendResult(interp, "<", NULL);
+
+ Tcl_AppendToObj(psObj, "<", -1);
mask = 0x80;
value = 0;
charsInLine = 0;
@@ -882,28 +922,26 @@ Tk_PostscriptBitmap(
}
mask >>= 1;
if (mask == 0) {
- sprintf(string, "%02x", value);
- Tcl_AppendResult(interp, string, NULL);
+ Tcl_AppendPrintfToObj(psObj, "%02x", value);
mask = 0x80;
value = 0;
charsInLine += 2;
if (charsInLine >= 60) {
- Tcl_AppendResult(interp, "\n", NULL);
+ Tcl_AppendToObj(psObj, "\n", -1);
charsInLine = 0;
}
}
}
if (mask != 0x80) {
- sprintf(string, "%02x", value);
- Tcl_AppendResult(interp, string, NULL);
+ Tcl_AppendPrintfToObj(psObj, "%02x", value);
mask = 0x80;
value = 0;
charsInLine += 2;
}
}
- Tcl_AppendResult(interp, ">", NULL);
+ Tcl_AppendToObj(psObj, ">", -1);
+
XDestroyImage(imagePtr);
- return TCL_OK;
}
/*
@@ -938,10 +976,10 @@ Tk_PostscriptStipple(
{
TkPostscriptInfo *psInfoPtr = (TkPostscriptInfo *) psInfo;
int width, height;
- char string[TCL_INTEGER_SPACE * 2];
Window dummyRoot;
int dummyX, dummyY;
unsigned dummyBorderwidth, dummyDepth;
+ Tcl_Obj *psObj;
if (psInfoPtr->prepass) {
return TCL_OK;
@@ -958,13 +996,11 @@ Tk_PostscriptStipple(
XGetGeometry(Tk_Display(tkwin), bitmap, &dummyRoot,
(int *) &dummyX, (int *) &dummyY, (unsigned *) &width,
(unsigned *) &height, &dummyBorderwidth, &dummyDepth);
- sprintf(string, "%d %d ", width, height);
- Tcl_AppendResult(interp, string, NULL);
- if (Tk_PostscriptBitmap(interp, tkwin, psInfo, bitmap, 0, 0,
- width, height) != TCL_OK) {
- return TCL_ERROR;
- }
- Tcl_AppendResult(interp, " StippleFill\n", NULL);
+
+ psObj = GetPostscriptBuffer(interp);
+ Tcl_AppendPrintfToObj(psObj, "%d %d ", width, height);
+ PostscriptBitmap(tkwin, bitmap, 0, 0, width, height, psObj);
+ Tcl_AppendToObj(psObj, " StippleFill\n", -1);
return TCL_OK;
}
@@ -1024,19 +1060,19 @@ Tk_PostscriptPath(
int numPoints) /* Number of points at *coordPtr. */
{
TkPostscriptInfo *psInfoPtr = (TkPostscriptInfo *) psInfo;
- char buffer[200];
+ Tcl_Obj *psObj;
if (psInfoPtr->prepass) {
return;
}
- sprintf(buffer, "%.15g %.15g moveto\n", coordPtr[0],
- Tk_PostscriptY(coordPtr[1], psInfo));
- Tcl_AppendResult(interp, buffer, NULL);
+
+ psObj = GetPostscriptBuffer(interp);
+ Tcl_AppendPrintfToObj(psObj, "%.15g %.15g moveto\n",
+ coordPtr[0], Tk_PostscriptY(coordPtr[1], psInfo));
for (numPoints--, coordPtr += 2; numPoints > 0;
numPoints--, coordPtr += 2) {
- sprintf(buffer, "%.15g %.15g lineto\n", coordPtr[0],
- Tk_PostscriptY(coordPtr[1], psInfo));
- Tcl_AppendResult(interp, buffer, NULL);
+ Tcl_AppendPrintfToObj(psObj, "%.15g %.15g lineto\n",
+ coordPtr[0], Tk_PostscriptY(coordPtr[1], psInfo));
}
}
@@ -1222,15 +1258,15 @@ TkPostscriptImage(
int width, int height) /* Width and height of area */
{
TkPostscriptInfo *psInfoPtr = (TkPostscriptInfo *) psInfo;
- char buffer[256];
int xx, yy, band, maxRows;
double red, green, blue;
- int bytesPerLine=0, maxWidth=0;
+ int bytesPerLine = 0, maxWidth = 0;
int level = psInfoPtr->colorLevel;
Colormap cmap;
int i, ncolors;
Visual *visual;
TkColormapData cdata;
+ Tcl_Obj *psObj;
if (psInfoPtr->prepass) {
return TCL_OK;
@@ -1325,6 +1361,7 @@ TkPostscriptImage(
}
maxRows = 60000 / bytesPerLine;
+ psObj = GetPostscriptBuffer(interp);
for (band = height-1; band >= 0; band -= maxRows) {
int rows = (band >= maxRows) ? maxRows : band + 1;
@@ -1332,16 +1369,13 @@ TkPostscriptImage(
switch (level) {
case 0:
- sprintf(buffer, "%d %d 1 matrix {\n<", width, rows);
- Tcl_AppendResult(interp, buffer, NULL);
+ Tcl_AppendPrintfToObj(psObj, "%d %d 1 matrix {\n<", width, rows);
break;
case 1:
- sprintf(buffer, "%d %d 8 matrix {\n<", width, rows);
- Tcl_AppendResult(interp, buffer, NULL);
+ Tcl_AppendPrintfToObj(psObj, "%d %d 8 matrix {\n<", width, rows);
break;
default:
- sprintf(buffer, "%d %d 8 matrix {\n<", width, rows);
- Tcl_AppendResult(interp, buffer, NULL);
+ Tcl_AppendPrintfToObj(psObj, "%d %d 8 matrix {\n<", width, rows);
break;
}
for (yy = band; yy > band - rows; yy--) {
@@ -1363,22 +1397,20 @@ TkPostscriptImage(
}
mask >>= 1;
if (mask == 0) {
- sprintf(buffer, "%02X", data);
- Tcl_AppendResult(interp, buffer, NULL);
+ Tcl_AppendPrintfToObj(psObj, "%02X", data);
lineLen += 2;
if (lineLen > 60) {
lineLen = 0;
- Tcl_AppendResult(interp, "\n", NULL);
+ Tcl_AppendToObj(psObj, "\n", -1);
}
- mask=0x80;
- data=0x00;
+ mask = 0x80;
+ data = 0x00;
}
}
if ((width % 8) != 0) {
- sprintf(buffer, "%02X", data);
- Tcl_AppendResult(interp, buffer, NULL);
- mask=0x80;
- data=0x00;
+ Tcl_AppendPrintfToObj(psObj, "%02X", data);
+ mask = 0x80;
+ data = 0x00;
}
break;
}
@@ -1391,13 +1423,13 @@ TkPostscriptImage(
for (xx = x; xx < x+width; xx ++) {
TkImageGetColor(&cdata, XGetPixel(ximage, xx, yy),
&red, &green, &blue);
- sprintf(buffer, "%02X", (int) floor(0.5 + 255.0 *
+ Tcl_AppendPrintfToObj(psObj, "%02X",
+ (int) floor(0.5 + 255.0 *
(0.30 * red + 0.59 * green + 0.11 * blue)));
- Tcl_AppendResult(interp, buffer, NULL);
lineLen += 2;
if (lineLen > 60) {
lineLen = 0;
- Tcl_AppendResult(interp, "\n", NULL);
+ Tcl_AppendToObj(psObj, "\n", -1);
}
}
break;
@@ -1410,15 +1442,14 @@ TkPostscriptImage(
for (xx = x; xx < x+width; xx++) {
TkImageGetColor(&cdata, XGetPixel(ximage, xx, yy),
&red, &green, &blue);
- sprintf(buffer, "%02X%02X%02X",
+ Tcl_AppendPrintfToObj(psObj, "%02X%02X%02X",
(int) floor(0.5 + 255.0 * red),
(int) floor(0.5 + 255.0 * green),
(int) floor(0.5 + 255.0 * blue));
- Tcl_AppendResult(interp, buffer, NULL);
lineLen += 6;
if (lineLen > 60) {
lineLen = 0;
- Tcl_AppendResult(interp, "\n", NULL);
+ Tcl_AppendToObj(psObj, "\n", -1);
}
}
break;
@@ -1426,13 +1457,11 @@ TkPostscriptImage(
}
switch (level) {
case 0: case 1:
- sprintf(buffer, ">\n} image\n"); break;
+ Tcl_AppendToObj(psObj, ">\n} image\n", -1); break;
default:
- sprintf(buffer, ">\n} false 3 colorimage\n"); break;
+ Tcl_AppendToObj(psObj, ">\n} false 3 colorimage\n", -1); break;
}
- Tcl_AppendResult(interp, buffer, NULL);
- sprintf(buffer, "0 %d translate\n", rows);
- Tcl_AppendResult(interp, buffer, NULL);
+ Tcl_AppendPrintfToObj(psObj, "0 %d translate\n", rows);
}
ckfree(cdata.colors);
return TCL_OK;
@@ -1468,15 +1497,15 @@ Tk_PostscriptPhoto(
{
TkPostscriptInfo *psInfoPtr = (TkPostscriptInfo *) psInfo;
int colorLevel = psInfoPtr->colorLevel;
- const char *displayOperation;
+ const char *displayOperation, *decode;
unsigned char *pixelPtr;
- char buffer[256], cspace[40], decode[40];
int bpc, xx, yy, lineLen, alpha;
float red, green, blue;
- int bytesPerLine=0, maxWidth=0;
+ int bytesPerLine = 0, maxWidth = 0;
unsigned char opaque = 255;
unsigned char *alphaPtr;
int alphaOffset, alphaPitch, alphaIncr;
+ Tcl_Obj *psObj;
if (psInfoPtr->prepass) {
return TCL_OK;
@@ -1520,35 +1549,32 @@ Tk_PostscriptPhoto(
* Set up the postscript code except for the image-data stream.
*/
+ psObj = GetPostscriptBuffer(interp);
switch (colorLevel) {
case 0:
- strcpy(cspace, "/DeviceGray");
- strcpy(decode, "[1 0]");
+ Tcl_AppendToObj(psObj, "/DeviceGray setcolorspace\n\n", -1);
+ decode = "1 0";
bpc = 1;
break;
case 1:
- strcpy(cspace, "/DeviceGray");
- strcpy(decode, "[0 1]");
+ Tcl_AppendToObj(psObj, "/DeviceGray setcolorspace\n\n", -1);
+ decode = "0 1";
bpc = 8;
break;
default:
- strcpy(cspace, "/DeviceRGB");
- strcpy(decode, "[0 1 0 1 0 1]");
+ Tcl_AppendToObj(psObj, "/DeviceRGB setcolorspace\n\n", -1);
+ decode = "0 1 0 1 0 1";
bpc = 8;
break;
}
-
- Tcl_AppendResult(interp, cspace, " setcolorspace\n\n", NULL);
-
- sprintf(buffer, " /Width %d\n /Height %d\n /BitsPerComponent %d\n",
- width, height, bpc);
- Tcl_AppendResult(interp, "<<\n /ImageType 1\n", buffer,
- " /DataSource currentfile /ASCIIHexDecode filter\n", NULL);
-
- sprintf(buffer, " /ImageMatrix [1 0 0 -1 0 %d]\n", height);
- Tcl_AppendResult(interp, buffer, " /Decode ", decode, "\n>>\n1 ",
- displayOperation, "\n", NULL);
+ Tcl_AppendPrintfToObj(psObj,
+ "<<\n /ImageType 1\n"
+ " /Width %d\n /Height %d\n /BitsPerComponent %d\n"
+ " /DataSource currentfile\n /ASCIIHexDecode filter\n"
+ " /ImageMatrix [1 0 0 -1 0 %d]\n /Decode [%s]\n>>\n"
+ "1 %s\n",
+ width, height, bpc, height, decode, displayOperation);
/*
* Check the PhotoImageBlock information. We assume that:
@@ -1608,20 +1634,18 @@ Tk_PostscriptPhoto(
}
mask >>= 1;
if (mask == 0) {
- sprintf(buffer, "%02X", data);
- Tcl_AppendResult(interp, buffer, NULL);
+ Tcl_AppendPrintfToObj(psObj, "%02X", data);
lineLen += 2;
if (lineLen >= 60) {
lineLen = 0;
- Tcl_AppendResult(interp, "\n", NULL);
+ Tcl_AppendToObj(psObj, "\n", -1);
}
mask = 0x80;
data = 0x00;
}
}
if ((width % 8) != 0) {
- sprintf(buffer, "%02X", data);
- Tcl_AppendResult(interp, buffer, NULL);
+ Tcl_AppendPrintfToObj(psObj, "%02X", data);
mask = 0x80;
data = 0x00;
}
@@ -1649,20 +1673,18 @@ Tk_PostscriptPhoto(
}
mask >>= 1;
if (mask == 0) {
- sprintf(buffer, "%02X", data);
- Tcl_AppendResult(interp, buffer, NULL);
+ Tcl_AppendPrintfToObj(psObj, "%02X", data);
lineLen += 2;
if (lineLen >= 60) {
lineLen = 0;
- Tcl_AppendResult(interp, "\n", NULL);
+ Tcl_AppendToObj(psObj, "\n", -1);
}
mask = 0x80;
data = 0x00;
}
}
if ((width % 8) != 0) {
- sprintf(buffer, "%02X", data);
- Tcl_AppendResult(interp, buffer, NULL);
+ Tcl_AppendPrintfToObj(psObj, "%02X", data);
mask = 0x80;
data = 0x00;
}
@@ -1677,12 +1699,11 @@ Tk_PostscriptPhoto(
for (xx = 0; xx < width; xx ++) {
alpha = *(alphaPtr + (yy * alphaPitch)
+ (xx * alphaIncr) + alphaOffset);
- sprintf(buffer, "%02X", alpha | 0x01);
- Tcl_AppendResult(interp, buffer, NULL);
+ Tcl_AppendPrintfToObj(psObj, "%02X", alpha | 0x01);
lineLen += 2;
if (lineLen >= 60) {
lineLen = 0;
- Tcl_AppendResult(interp, "\n", NULL);
+ Tcl_AppendToObj(psObj, "\n", -1);
}
}
@@ -1699,13 +1720,12 @@ Tk_PostscriptPhoto(
green = pixelPtr[blockPtr->offset[1]];
blue = pixelPtr[blockPtr->offset[2]];
- sprintf(buffer, "%02X", (int) floor(0.5 +
+ Tcl_AppendPrintfToObj(psObj, "%02X", (int) floor(0.5 +
( 0.3086 * red + 0.6094 * green + 0.0820 * blue)));
- Tcl_AppendResult(interp, buffer, NULL);
lineLen += 2;
if (lineLen >= 60) {
lineLen = 0;
- Tcl_AppendResult(interp, "\n", NULL);
+ Tcl_AppendToObj(psObj, "\n", -1);
}
}
break;
@@ -1719,12 +1739,11 @@ Tk_PostscriptPhoto(
for (xx = 0; xx < width; xx ++) {
alpha = *(alphaPtr + (yy * alphaPitch)
+ (xx * alphaIncr) + alphaOffset);
- sprintf(buffer, "%02X", alpha | 0x01);
- Tcl_AppendResult(interp, buffer, NULL);
+ Tcl_AppendPrintfToObj(psObj, "%02X", alpha | 0x01);
lineLen += 2;
if (lineLen >= 60) {
lineLen = 0;
- Tcl_AppendResult(interp, "\n", NULL);
+ Tcl_AppendToObj(psObj, "\n", -1);
}
}
@@ -1737,22 +1756,25 @@ Tk_PostscriptPhoto(
pixelPtr = blockPtr->pixelPtr + (yy * blockPtr->pitch)
+ (xx * blockPtr->pixelSize);
- sprintf(buffer, "%02X%02X%02X",
+ Tcl_AppendPrintfToObj(psObj, "%02X%02X%02X",
pixelPtr[blockPtr->offset[0]],
pixelPtr[blockPtr->offset[1]],
pixelPtr[blockPtr->offset[2]]);
- Tcl_AppendResult(interp, buffer, NULL);
lineLen += 6;
if (lineLen >= 60) {
lineLen = 0;
- Tcl_AppendResult(interp, "\n", NULL);
+ Tcl_AppendToObj(psObj, "\n", -1);
}
}
break;
}
}
- Tcl_AppendResult(interp, ">\n", NULL);
+ /*
+ * The end-of-data marker.
+ */
+
+ Tcl_AppendToObj(psObj, ">\n", -1);
return TCL_OK;
}
diff --git a/generic/tkCanvText.c b/generic/tkCanvText.c
index cda9b1c..d972d48 100644
--- a/generic/tkCanvText.c
+++ b/generic/tkCanvText.c
@@ -1544,6 +1544,8 @@ TextToPostscript(
XColor *color;
Pixmap stipple;
Tk_State state = itemPtr->state;
+ Tcl_Obj *psObj;
+ Tcl_InterpState interpState;
if (state == TK_STATE_NULL) {
state = Canvas(canvas)->canvas_state;
@@ -1569,26 +1571,40 @@ TextToPostscript(
}
}
+ /*
+ * Make our working space.
+ */
+
+ psObj = Tcl_NewObj();
+ interpState = Tcl_SaveInterpState(interp, TCL_OK);
+
+ /*
+ * Generate postscript.
+ */
+
+ Tcl_ResetResult(interp);
if (Tk_CanvasPsFont(interp, canvas, textPtr->tkfont) != TCL_OK) {
- return TCL_ERROR;
+ goto error;
}
+ Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));
+
if (prepass != 0) {
- return TCL_OK;
+ goto done;
}
+
+ 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, "/StippleText {\n ", NULL);
+ Tcl_ResetResult(interp);
Tk_CanvasPsStipple(interp, canvas, stipple);
- Tcl_AppendResult(interp, "} bind def\n", NULL);
+ Tcl_AppendPrintfToObj(psObj, "/StippleText {\n %s} bind def\n",
+ Tcl_GetString(Tcl_GetObjResult(interp)));
}
- Tcl_AppendPrintfToObj(Tcl_GetObjResult(interp), "%.15g %.15g %.15g [\n",
- textPtr->angle, textPtr->x, Tk_CanvasPsY(canvas, textPtr->y));
-
- Tk_TextLayoutToPostscript(interp, textPtr->textLayout);
-
x = 0; y = 0; justify = NULL; /* lint. */
switch (textPtr->anchor) {
case TK_ANCHOR_NW: x = 0; y = 0; break;
@@ -1608,12 +1624,31 @@ TextToPostscript(
}
Tk_GetFontMetrics(textPtr->tkfont, &fm);
- Tcl_AppendPrintfToObj(Tcl_GetObjResult(interp),
+
+ Tcl_AppendPrintfToObj(psObj, "%.15g %.15g %.15g [\n",
+ textPtr->angle, textPtr->x, Tk_CanvasPsY(canvas, textPtr->y));
+ Tcl_ResetResult(interp);
+ Tk_TextLayoutToPostscript(interp, textPtr->textLayout);
+ Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));
+ Tcl_AppendPrintfToObj(psObj,
"] %d %g %g %s %s DrawText\n",
fm.linespace, x / -2.0, y / 2.0, justify,
((stipple == None) ? "false" : "true"));
+ /*
+ * 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;
}
/*
diff --git a/generic/tkCanvUtil.c b/generic/tkCanvUtil.c
index 711d7aa..120afd2 100644
--- a/generic/tkCanvUtil.c
+++ b/generic/tkCanvUtil.c
@@ -49,9 +49,23 @@ static int DashConvert(char *l, const char *p, int n,
double width);
static void TranslateAndAppendCoords(TkCanvas *canvPtr,
double x, double y, XPoint *outArr, int numOut);
+static inline Tcl_Obj * GetPostscriptBuffer(Tcl_Interp *interp);
#define ABS(a) ((a>=0)?(a):(-(a)))
+static inline Tcl_Obj *
+GetPostscriptBuffer(
+ Tcl_Interp *interp)
+{
+ Tcl_Obj *psObj = Tcl_GetObjResult(interp);
+
+ if (Tcl_IsShared(psObj)) {
+ psObj = Tcl_DuplicateObj(psObj);
+ Tcl_SetObjResult(interp, psObj);
+ }
+ return psObj;
+}
+
/*
*----------------------------------------------------------------------
*
@@ -1364,15 +1378,16 @@ Tk_CanvasPsOutline(
Tk_Item *item,
Tk_Outline *outline)
{
- char string[41], pattern[11];
+ char pattern[11];
int i;
- char *ptr, *str = string, *lptr = pattern;
+ char *ptr, *lptr = pattern;
Tcl_Interp *interp = Canvas(canvas)->interp;
double width = outline->width;
Tk_Dash *dash = &outline->dash;
XColor *color = outline->color;
Pixmap stipple = outline->stipple;
Tk_State state = item->state;
+ Tcl_Obj *psObj = GetPostscriptBuffer(interp);
if (state == TK_STATE_NULL) {
state = Canvas(canvas)->canvas_state;
@@ -1383,7 +1398,7 @@ Tk_CanvasPsOutline(
width = outline->activeWidth;
}
if (outline->activeDash.number > 0) {
- dash = &(outline->activeDash);
+ dash = &outline->activeDash;
}
if (outline->activeColor != NULL) {
color = outline->activeColor;
@@ -1396,7 +1411,7 @@ Tk_CanvasPsOutline(
width = outline->disabledWidth;
}
if (outline->disabledDash.number > 0) {
- dash = &(outline->disabledDash);
+ dash = &outline->disabledDash;
}
if (outline->disabledColor != NULL) {
color = outline->disabledColor;
@@ -1405,66 +1420,65 @@ Tk_CanvasPsOutline(
stipple = outline->disabledStipple;
}
}
- sprintf(string, "%.15g setlinewidth\n", width);
- Tcl_AppendResult(interp, string, NULL);
- if (dash->number > 10) {
- str = ckalloc(1 + 4*dash->number);
- } else if (dash->number < -5) {
- str = ckalloc(1 - 8*dash->number);
- lptr = ckalloc(1 - 2*dash->number);
- }
+ Tcl_AppendPrintfToObj(psObj, "%.15g setlinewidth\n", width);
+
ptr = ((unsigned) ABS(dash->number) > sizeof(char *)) ?
dash->pattern.pt : dash->pattern.array;
+ Tcl_AppendToObj(psObj, "[", -1);
if (dash->number > 0) {
- char *ptr0 = ptr;
+ Tcl_Obj *converted;
+ char *p = ptr;
- sprintf(str, "[%d", *ptr++ & 0xff);
- i = dash->number-1;
- while (i--) {
- sprintf(str+strlen(str), " %d", *ptr++ & 0xff);
+ converted = Tcl_ObjPrintf("%d", *p++ & 0xff);
+ for (i = dash->number-1 ; i>=0 ; i--) {
+ Tcl_AppendPrintfToObj(converted, " %d", *p++ & 0xff);
}
- Tcl_AppendResult(interp, str, NULL);
- if (dash->number&1) {
- Tcl_AppendResult(interp, " ", str+1, NULL);
+ Tcl_AppendObjToObj(psObj, converted);
+ if (dash->number & 1) {
+ Tcl_AppendToObj(psObj, " ", -1);
+ Tcl_AppendObjToObj(psObj, converted);
}
- sprintf(str, "] %d setdash\n", outline->offset);
- Tcl_AppendResult(interp, str, NULL);
- ptr = ptr0;
+ Tcl_DecrRefCount(converted);
+ Tcl_AppendPrintfToObj(psObj, "] %d setdash\n", outline->offset);
} else if (dash->number < 0) {
- if ((i = DashConvert(lptr, ptr, -dash->number, width)) != 0) {
- char *lptr0 = lptr;
+ if (dash->number < -5) {
+ lptr = ckalloc(1 - 2*dash->number);
+ }
+ i = DashConvert(lptr, ptr, -dash->number, width);
+ if (i > 0) {
+ char *p = lptr;
- sprintf(str, "[%d", *lptr++ & 0xff);
- while (--i) {
- sprintf(str+strlen(str), " %d", *lptr++ & 0xff);
+ Tcl_AppendPrintfToObj(psObj, "%d", *p++ & 0xff);
+ for (; --i>0 ;) {
+ Tcl_AppendPrintfToObj(psObj, " %d", *p++ & 0xff);
}
- Tcl_AppendResult(interp, str, NULL);
- sprintf(str, "] %d setdash\n", outline->offset);
- Tcl_AppendResult(interp, str, NULL);
- lptr = lptr0;
+ Tcl_AppendPrintfToObj(psObj, "] %d setdash\n", outline->offset);
} else {
- Tcl_AppendResult(interp, "[] 0 setdash\n", NULL);
+ Tcl_AppendToObj(psObj, "] 0 setdash\n", -1);
+ }
+ if (lptr != pattern) {
+ ckfree(lptr);
}
} else {
- Tcl_AppendResult(interp, "[] 0 setdash\n", NULL);
- }
- if (str != string) {
- ckfree(str);
- }
- if (lptr != pattern) {
- ckfree(lptr);
+ Tcl_AppendToObj(psObj, "] 0 setdash\n", -1);
}
+
if (Tk_CanvasPsColor(interp, canvas, color) != TCL_OK) {
return TCL_ERROR;
}
+
+ /*
+ * Note that psObj might hold an invalid reference now.
+ */
+
if (stipple != None) {
- Tcl_AppendResult(interp, "StrokeClip ", NULL);
+ Tcl_AppendToObj(GetPostscriptBuffer(interp), "StrokeClip ", -1);
if (Tk_CanvasPsStipple(interp, canvas, stipple) != TCL_OK) {
return TCL_ERROR;
}
} else {
- Tcl_AppendResult(interp, "stroke\n", NULL);
+ Tcl_AppendToObj(GetPostscriptBuffer(interp), "stroke\n", -1);
}
return TCL_OK;
diff --git a/generic/tkCanvWind.c b/generic/tkCanvWind.c
index ef4cc03..7ca7c9d 100644
--- a/generic/tkCanvWind.c
+++ b/generic/tkCanvWind.c
@@ -826,45 +826,44 @@ CanvasPsWindow(
double x, double y, /* origin of window. */
int width, int height) /* width/height of window. */
{
- char buffer[256];
XImage *ximage;
int result;
- Tcl_DString buffer1, buffer2;
#ifdef X_GetImage
Tk_ErrorHandler handle;
#endif
+ Tcl_Obj *cmdObj, *psObj;
+ Tcl_InterpState interpState = Tcl_SaveInterpState(interp, TCL_OK);
- sprintf(buffer, "\n%%%% %s item (%s, %d x %d)\n%.15g %.15g translate\n",
+ /*
+ * Locate the subwindow within the wider window.
+ */
+
+ psObj = Tcl_ObjPrintf(
+ "\n%%%% %s item (%s, %d x %d)\n" // Comment
+ "%.15g %.15g translate\n", // Position
Tk_Class(tkwin), Tk_PathName(tkwin), width, height, x, y);
- Tcl_AppendResult(interp, buffer, NULL);
/*
* First try if the widget has its own "postscript" command. If it exists,
* this will produce much better postscript than when a pixmap is used.
*/
- Tcl_DStringInit(&buffer1);
- Tcl_DStringInit(&buffer2);
- Tcl_DStringGetResult(interp, &buffer2);
- sprintf(buffer, "%s postscript -prolog 0", Tk_PathName(tkwin));
- result = Tcl_Eval(interp, buffer);
- Tcl_DStringGetResult(interp, &buffer1);
- Tcl_DStringResult(interp, &buffer2);
- Tcl_DStringFree(&buffer2);
+ Tcl_ResetResult(interp);
+ cmdObj = Tcl_ObjPrintf("%s postscript -prolog 0", Tk_PathName(tkwin));
+ Tcl_IncrRefCount(cmdObj);
+ result = Tcl_EvalObjEx(interp, cmdObj, 0);
+ Tcl_DecrRefCount(cmdObj);
if (result == TCL_OK) {
- Tcl_AppendResult(interp, "50 dict begin\nsave\ngsave\n", NULL);
- sprintf(buffer, "0 %d moveto %d 0 rlineto 0 -%d rlineto -%d",
- height, width, height, width);
- Tcl_AppendResult(interp, buffer, NULL);
- Tcl_AppendResult(interp, " 0 rlineto closepath\n",
+ Tcl_AppendPrintfToObj(psObj,
+ "50 dict begin\nsave\ngsave\n"
+ "0 %d moveto %d 0 rlineto 0 -%d rlineto -%d 0 rlineto closepath\n"
"1.000 1.000 1.000 setrgbcolor AdjustColor\nfill\ngrestore\n",
- Tcl_DStringValue(&buffer1), "\nrestore\nend\n\n\n", NULL);
- Tcl_DStringFree(&buffer1);
-
- return result;
+ height, width, height, width);
+ Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));
+ Tcl_AppendToObj(psObj, "\nrestore\nend\n\n\n", -1);
+ goto done;
}
- Tcl_DStringFree(&buffer1);
/*
* If the window is off the screen it will generate a BadMatch/XError. We
@@ -889,13 +888,27 @@ CanvasPsWindow(
#endif
if (ximage == NULL) {
- return TCL_OK;
+ result = TCL_OK;
+ } else {
+ Tcl_ResetResult(interp);
+ result = TkPostscriptImage(interp, tkwin, Canvas(canvas)->psInfo,
+ ximage, 0, 0, width, height);
+ Tcl_AppendObjToObj(psObj, Tcl_GetObjResult(interp));
+ XDestroyImage(ximage);
}
- result = TkPostscriptImage(interp, tkwin, Canvas(canvas)->psInfo, ximage,
- 0, 0, width, height);
+ /*
+ * Plug the accumulated postscript back into the result.
+ */
- XDestroyImage(ximage);
+ done:
+ if (result == TCL_OK) {
+ (void) Tcl_RestoreInterpState(interp, interpState);
+ Tcl_AppendResult(interp, Tcl_GetString(psObj), NULL);
+ } else {
+ Tcl_DiscardInterpState(interpState);
+ }
+ Tcl_DecrRefCount(psObj);
return result;
}
generated by cgit v0.12 at 2024-11-02 22:46:40 (GMT)