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-rw-r--r--generic/tkCanvUtil.c134
1 files changed, 76 insertions, 58 deletions
diff --git a/generic/tkCanvUtil.c b/generic/tkCanvUtil.c
index 1a6a8c4..23c73e5 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;
+}
+
/*
*----------------------------------------------------------------------
*
@@ -756,8 +770,10 @@ TkSmoothParseProc(
while (methods != NULL) {
if (strncmp(value, methods->smooth.name, length) == 0) {
if (smooth != NULL) {
- Tcl_AppendResult(interp, "ambiguous smooth method \"", value,
- "\"", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "ambiguous smooth method \"%s\"", value));
+ Tcl_SetErrorCode(interp, "TK", "LOOKUP", "SMOOTH", value,
+ NULL);
return TCL_ERROR;
}
smooth = &methods->smooth;
@@ -878,7 +894,7 @@ Tk_GetDash(
if ((unsigned) ABS(dash->number) > sizeof(char *)) {
ckfree(dash->pattern.pt);
}
- if (argc > (int)sizeof(char *)) {
+ if (argc > (int) sizeof(char *)) {
dash->pattern.pt = pt = ckalloc(argc);
} else {
pt = dash->pattern.array;
@@ -886,12 +902,12 @@ Tk_GetDash(
dash->number = argc;
largv = argv;
- while (argc>0) {
+ 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, "\"", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "expected integer in the range 1..255 but got \"%s\"",
+ *largv));
+ Tcl_SetErrorCode(interp, "TK", "VALUE", "DASH", NULL);
goto syntaxError;
}
*pt++ = i;
@@ -909,8 +925,10 @@ Tk_GetDash(
*/
badDashList:
- Tcl_AppendResult(interp, "bad dash list \"", value,
- "\": must be a list of integers or a format like \"-..\"", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "bad dash list \"%s\": must be a list of integers or a format like \"-..\"",
+ value));
+ Tcl_SetErrorCode(interp, "TK", "VALUE", "DASH", NULL);
syntaxError:
if (argv != NULL) {
ckfree(argv);
@@ -1252,9 +1270,9 @@ Tk_ChangeOutlineGC(
*
* Tk_ResetOutlineGC
*
- * Restores the GC to the situation before Tk_ChangeOutlineGC() was called.
- * This function should be called just after the dashed item is drawn,
- * because the GC is supposed to be read-only.
+ * Restores the GC to the situation before Tk_ChangeOutlineGC() 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, and 0 otherwise.
@@ -1361,15 +1379,16 @@ 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;
@@ -1380,7 +1399,7 @@ Tk_CanvasPsOutline(
width = outline->activeWidth;
}
if (outline->activeDash.number > 0) {
- dash = &(outline->activeDash);
+ dash = &outline->activeDash;
}
if (outline->activeColor != NULL) {
color = outline->activeColor;
@@ -1393,7 +1412,7 @@ Tk_CanvasPsOutline(
width = outline->disabledWidth;
}
if (outline->disabledDash.number > 0) {
- dash = &(outline->disabledDash);
+ dash = &outline->disabledDash;
}
if (outline->disabledColor != NULL) {
color = outline->disabledColor;
@@ -1402,66 +1421,65 @@ 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;
@@ -1731,7 +1749,7 @@ TkCanvTranslatePath(
* This is the loop that makes the four passes through the data.
*/
- for (j=0; j<4; j++){
+ for (j=0; j<4; j++) {
double xClip = limit[j];
int inside = a[0] < xClip;
double priorY = a[1];
@@ -1742,7 +1760,7 @@ TkCanvTranslatePath(
* rotated by 90 degrees clockwise.
*/
- for (i=0; i<numVertex; i++){
+ for (i=0; i<numVertex; i++) {
double x = a[i*2];
double y = a[i*2 + 1];
@@ -1833,7 +1851,7 @@ TkCanvTranslatePath(
* XPoints and translate the origin for the drawable.
*/
- for (i=0; i<numVertex; i++){
+ for (i=0; i<numVertex; i++) {
TranslateAndAppendCoords(canvPtr, a[i*2], a[i*2+1], outArr, i);
}
if (tempArr != staticSpace) {
generated by cgit v0.12 at 2024-11-06 13:53:24 (GMT)