diff options
Diffstat (limited to 'generic/tkCanvUtil.c')
| -rw-r--r-- | generic/tkCanvUtil.c | 406 |
1 files changed, 198 insertions, 208 deletions
diff --git a/generic/tkCanvUtil.c b/generic/tkCanvUtil.c index b4d0c3b..23c73e5 100644 --- a/generic/tkCanvUtil.c +++ b/generic/tkCanvUtil.c @@ -25,13 +25,13 @@ typedef struct SmoothAssocData { * option. */ } SmoothAssocData; -Tk_SmoothMethod tkBezierSmoothMethod = { +const Tk_SmoothMethod tkBezierSmoothMethod = { "true", TkMakeBezierCurve, (void (*) (Tcl_Interp *interp, Tk_Canvas canvas, double *coordPtr, int numPoints, int numSteps)) TkMakeBezierPostscript, }; -static Tk_SmoothMethod tkRawSmoothMethod = { +static const Tk_SmoothMethod tkRawSmoothMethod = { "raw", TkMakeRawCurve, (void (*) (Tcl_Interp *interp, Tk_Canvas canvas, double *coordPtr, @@ -45,13 +45,27 @@ static Tk_SmoothMethod tkRawSmoothMethod = { static void SmoothMethodCleanupProc(ClientData clientData, Tcl_Interp *interp); static SmoothAssocData *InitSmoothMethods(Tcl_Interp *interp); -static int DashConvert(char *l, CONST char *p, int n, +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; +} + /* *---------------------------------------------------------------------- * @@ -73,8 +87,7 @@ Tk_Window Tk_CanvasTkwin( Tk_Canvas canvas) /* Token for the canvas. */ { - TkCanvas *canvasPtr = (TkCanvas *) canvas; - return canvasPtr->tkwin; + return Canvas(canvas)->tkwin; } /* @@ -106,10 +119,9 @@ Tk_CanvasDrawableCoords( short *drawableXPtr, /* Screen coordinates are stored here. */ short *drawableYPtr) { - TkCanvas *canvasPtr = (TkCanvas *) canvas; double tmp; - tmp = x - canvasPtr->drawableXOrigin; + tmp = x - Canvas(canvas)->drawableXOrigin; if (tmp > 0) { tmp += 0.5; } else { @@ -123,7 +135,7 @@ Tk_CanvasDrawableCoords( *drawableXPtr = (short) tmp; } - tmp = y - canvasPtr->drawableYOrigin; + tmp = y - Canvas(canvas)->drawableYOrigin; if (tmp > 0) { tmp += 0.5; } else { @@ -166,10 +178,9 @@ Tk_CanvasWindowCoords( short *screenXPtr, /* Screen coordinates are stored here. */ short *screenYPtr) { - TkCanvas *canvasPtr = (TkCanvas *) canvas; double tmp; - tmp = x - canvasPtr->xOrigin; + tmp = x - Canvas(canvas)->xOrigin; if (tmp > 0) { tmp += 0.5; } else { @@ -183,7 +194,7 @@ Tk_CanvasWindowCoords( *screenXPtr = (short) tmp; } - tmp = y - canvasPtr->yOrigin; + tmp = y - Canvas(canvas)->yOrigin; if (tmp > 0) { tmp += 0.5; } else { @@ -222,17 +233,15 @@ int Tk_CanvasGetCoord( Tcl_Interp *interp, /* Interpreter for error reporting. */ Tk_Canvas canvas, /* Canvas to which coordinate applies. */ - CONST char *string, /* Describes coordinate (any screen coordinate + const char *string, /* Describes coordinate (any screen coordinate * form may be used here). */ double *doublePtr) /* Place to store converted coordinate. */ { - TkCanvas *canvasPtr = (TkCanvas *) canvas; - - if (Tk_GetScreenMM(canvasPtr->interp, canvasPtr->tkwin, string, + if (Tk_GetScreenMM(Canvas(canvas)->interp, Canvas(canvas)->tkwin, string, doublePtr) != TCL_OK) { return TCL_ERROR; } - *doublePtr *= canvasPtr->pixelsPerMM; + *doublePtr *= Canvas(canvas)->pixelsPerMM; return TCL_OK; } @@ -264,9 +273,7 @@ Tk_CanvasGetCoordFromObj( * form may be used here). */ double *doublePtr) /* Place to store converted coordinate. */ { - TkCanvas *canvasPtr = (TkCanvas *) canvas; - - return Tk_GetDoublePixelsFromObj(canvasPtr->interp, canvasPtr->tkwin, obj, doublePtr); + return Tk_GetDoublePixelsFromObj(Canvas(canvas)->interp, Canvas(canvas)->tkwin, obj, doublePtr); } /* @@ -294,10 +301,9 @@ Tk_CanvasSetStippleOrigin( * to draw a stippled pattern as part of * redisplaying the canvas. */ { - TkCanvas *canvasPtr = (TkCanvas *) canvas; - - XSetTSOrigin(canvasPtr->display, gc, -canvasPtr->drawableXOrigin, - -canvasPtr->drawableYOrigin); + XSetTSOrigin(Canvas(canvas)->display, gc, + -Canvas(canvas)->drawableXOrigin, + -Canvas(canvas)->drawableYOrigin); } /* @@ -326,7 +332,7 @@ Tk_CanvasSetOffset( * redisplaying the canvas. */ Tk_TSOffset *offset) /* Offset (may be NULL pointer)*/ { - TkCanvas *canvasPtr = (TkCanvas *) canvas; + register TkCanvas *canvasPtr = Canvas(canvas); int flags = 0; int x = - canvasPtr->drawableXOrigin; int y = - canvasPtr->drawableYOrigin; @@ -370,7 +376,7 @@ Tk_CanvasTextInfo * Tk_CanvasGetTextInfo( Tk_Canvas canvas) /* Token for the canvas widget. */ { - return &((TkCanvas *) canvas)->textInfo; + return &Canvas(canvas)->textInfo; } /* @@ -396,13 +402,13 @@ Tk_CanvasTagsParseProc( ClientData clientData, /* Not used.*/ Tcl_Interp *interp, /* Used for reporting errors. */ Tk_Window tkwin, /* Window containing canvas widget. */ - CONST char *value, /* Value of option (list of tag names). */ + const char *value, /* Value of option (list of tag names). */ char *widgRec, /* Pointer to record for item. */ int offset) /* Offset into item (ignored). */ { register Tk_Item *itemPtr = (Tk_Item *) widgRec; int argc, i; - CONST char **argv; + const char **argv; Tk_Uid *newPtr; /* @@ -418,12 +424,12 @@ Tk_CanvasTagsParseProc( */ if (itemPtr->tagSpace < argc) { - newPtr = (Tk_Uid *) ckalloc((unsigned) (argc * sizeof(Tk_Uid))); + newPtr = ckalloc(argc * sizeof(Tk_Uid)); for (i = itemPtr->numTags-1; i >= 0; i--) { newPtr[i] = itemPtr->tagPtr[i]; } if (itemPtr->tagPtr != itemPtr->staticTagSpace) { - ckfree((char *) itemPtr->tagPtr); + ckfree(itemPtr->tagPtr); } itemPtr->tagPtr = newPtr; itemPtr->tagSpace = argc; @@ -432,7 +438,7 @@ Tk_CanvasTagsParseProc( for (i = 0; i < argc; i++) { itemPtr->tagPtr[i] = Tk_GetUid(argv[i]); } - ckfree((char *) argv); + ckfree(argv); return TCL_OK; } @@ -458,7 +464,7 @@ Tk_CanvasTagsParseProc( *-------------------------------------------------------------- */ -char * +const char * Tk_CanvasTagsPrintProc( ClientData clientData, /* Ignored. */ Tk_Window tkwin, /* Window containing canvas widget. */ @@ -476,10 +482,10 @@ Tk_CanvasTagsPrintProc( } if (itemPtr->numTags == 1) { *freeProcPtr = NULL; - return (char *) itemPtr->tagPtr[0]; + return (const char *) itemPtr->tagPtr[0]; } *freeProcPtr = TCL_DYNAMIC; - return Tcl_Merge(itemPtr->numTags, (CONST char **) itemPtr->tagPtr); + return Tcl_Merge(itemPtr->numTags, (const char **) itemPtr->tagPtr); } /* @@ -505,11 +511,11 @@ TkCanvasDashParseProc( ClientData clientData, /* Not used.*/ Tcl_Interp *interp, /* Used for reporting errors. */ Tk_Window tkwin, /* Window containing canvas widget. */ - CONST char *value, /* Value of option. */ + const char *value, /* Value of option. */ char *widgRec, /* Pointer to record for item. */ int offset) /* Offset into item. */ { - return Tk_GetDash(interp, value, (Tk_Dash *)(widgRec+offset)); + return Tk_GetDash(interp, value, (Tk_Dash *) (widgRec+offset)); } /* @@ -534,7 +540,7 @@ TkCanvasDashParseProc( *-------------------------------------------------------------- */ -char * +const char * TkCanvasDashPrintProc( ClientData clientData, /* Ignored. */ Tk_Window tkwin, /* Window containing canvas widget. */ @@ -545,14 +551,13 @@ TkCanvasDashPrintProc( * for return string. */ { Tk_Dash *dash = (Tk_Dash *) (widgRec+offset); - char *buffer; - char *p; + char *buffer, *p; int i = dash->number; if (i < 0) { i = -i; *freeProcPtr = TCL_DYNAMIC; - buffer = (char *) ckalloc((unsigned int) (i+1)); + buffer = ckalloc(i + 1); p = (i > (int)sizeof(char *)) ? dash->pattern.pt : dash->pattern.array; memcpy(buffer, p, (unsigned int) i); buffer[i] = 0; @@ -561,12 +566,12 @@ TkCanvasDashPrintProc( *freeProcPtr = NULL; return ""; } - buffer = (char *)ckalloc((unsigned int) (4*i)); + buffer = ckalloc(4 * i); *freeProcPtr = TCL_DYNAMIC; p = (i > (int)sizeof(char *)) ? dash->pattern.pt : dash->pattern.array; sprintf(buffer, "%d", *p++ & 0xff); - while(--i) { + while (--i) { sprintf(buffer+strlen(buffer), " %d", *p++ & 0xff); } return buffer; @@ -597,21 +602,18 @@ InitSmoothMethods( { SmoothAssocData *methods, *ptr; - methods = (SmoothAssocData *) ckalloc(sizeof(SmoothAssocData)); + methods = ckalloc(sizeof(SmoothAssocData)); methods->smooth.name = tkRawSmoothMethod.name; methods->smooth.coordProc = tkRawSmoothMethod.coordProc; methods->smooth.postscriptProc = tkRawSmoothMethod.postscriptProc; - methods->nextPtr = (SmoothAssocData *) ckalloc(sizeof(SmoothAssocData)); - - ptr = methods->nextPtr; + ptr = methods->nextPtr = ckalloc(sizeof(SmoothAssocData)); ptr->smooth.name = tkBezierSmoothMethod.name; ptr->smooth.coordProc = tkBezierSmoothMethod.coordProc; ptr->smooth.postscriptProc = tkBezierSmoothMethod.postscriptProc; ptr->nextPtr = NULL; - Tcl_SetAssocData(interp, "smoothMethod", SmoothMethodCleanupProc, - (ClientData) methods); + Tcl_SetAssocData(interp, "smoothMethod", SmoothMethodCleanupProc,methods); return methods; } @@ -636,11 +638,10 @@ InitSmoothMethods( void Tk_CreateSmoothMethod( Tcl_Interp *interp, - Tk_SmoothMethod *smooth) + const Tk_SmoothMethod *smooth) { SmoothAssocData *methods, *typePtr2, *prevPtr, *ptr; - methods = (SmoothAssocData *) Tcl_GetAssocData(interp, "smoothMethod", - NULL); + methods = Tcl_GetAssocData(interp, "smoothMethod", NULL); /* * Initialize if we were not previously initialized. @@ -662,17 +663,16 @@ Tk_CreateSmoothMethod( } else { prevPtr->nextPtr = typePtr2->nextPtr; } - ckfree((char *) typePtr2); + ckfree(typePtr2); break; } } - ptr = (SmoothAssocData *) ckalloc(sizeof(SmoothAssocData)); + ptr = ckalloc(sizeof(SmoothAssocData)); ptr->smooth.name = smooth->name; ptr->smooth.coordProc = smooth->coordProc; ptr->smooth.postscriptProc = smooth->postscriptProc; ptr->nextPtr = methods; - Tcl_SetAssocData(interp, "smoothMethod", SmoothMethodCleanupProc, - (ClientData) ptr); + Tcl_SetAssocData(interp, "smoothMethod", SmoothMethodCleanupProc, ptr); } /* @@ -698,11 +698,12 @@ SmoothMethodCleanupProc( * interpreter. */ Tcl_Interp *interp) /* Interpreter that is being deleted. */ { - SmoothAssocData *ptr, *methods = (SmoothAssocData *) clientData; + SmoothAssocData *ptr, *methods = clientData; while (methods != NULL) { - methods = (ptr = methods)->nextPtr; - ckfree((char *) ptr); + ptr = methods; + methods = methods->nextPtr; + ckfree(ptr); } } /* @@ -725,16 +726,16 @@ SmoothMethodCleanupProc( int TkSmoothParseProc( - ClientData clientData, /* some flags.*/ + ClientData clientData, /* Ignored. */ Tcl_Interp *interp, /* Used for reporting errors. */ Tk_Window tkwin, /* Window containing canvas widget. */ - CONST char *value, /* Value of option. */ + const char *value, /* Value of option. */ char *widgRec, /* Pointer to record for item. */ int offset) /* Offset into item. */ { - register Tk_SmoothMethod **smoothPtr = - (Tk_SmoothMethod **) (widgRec + offset); - Tk_SmoothMethod *smooth = NULL; + register const Tk_SmoothMethod **smoothPtr = + (const Tk_SmoothMethod **) (widgRec + offset); + const Tk_SmoothMethod *smooth = NULL; int b; size_t length; SmoothAssocData *methods; @@ -744,8 +745,7 @@ TkSmoothParseProc( return TCL_OK; } length = strlen(value); - methods = (SmoothAssocData *) Tcl_GetAssocData(interp, "smoothMethod", - NULL); + methods = Tcl_GetAssocData(interp, "smoothMethod", NULL); /* * Not initialized yet; fix that now. @@ -770,8 +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; @@ -814,7 +816,7 @@ TkSmoothParseProc( *-------------------------------------------------------------- */ -char * +const char * TkSmoothPrintProc( ClientData clientData, /* Ignored. */ Tk_Window tkwin, /* Window containing canvas widget. */ @@ -824,10 +826,10 @@ TkSmoothPrintProc( * information about how to reclaim storage * for return string. */ { - register Tk_SmoothMethod **smoothPtr = - (Tk_SmoothMethod **) (widgRec + offset); + register const Tk_SmoothMethod *smoothPtr = + * (Tk_SmoothMethod **) (widgRec + offset); - return (*smoothPtr) ? (*smoothPtr)->name : "0"; + return smoothPtr ? smoothPtr->name : "0"; } /* *-------------------------------------------------------------- @@ -850,15 +852,15 @@ TkSmoothPrintProc( int Tk_GetDash( Tcl_Interp *interp, /* Used for error reporting. */ - CONST char *value, /* Textual specification of dash list. */ + const char *value, /* Textual specification of dash list. */ Tk_Dash *dash) /* Pointer to record in which to store dash * information. */ { int argc, i; - CONST char **largv, **argv = NULL; + const char **largv, **argv = NULL; char *pt; - if ((value==NULL) || (*value==0) ) { + if ((value == NULL) || (*value == '\0')) { dash->number = 0; return TCL_OK; } @@ -870,17 +872,16 @@ Tk_GetDash( switch (*value) { case '.': case ',': case '-': case '_': i = DashConvert(NULL, value, -1, 0.0); - if (i>0) { - i = strlen(value); - } else { + if (i <= 0) { goto badDashList; } - if (i > (int)sizeof(char *)) { - dash->pattern.pt = pt = (char *) ckalloc(strlen(value)); + i = strlen(value); + if (i > (int) sizeof(char *)) { + dash->pattern.pt = pt = ckalloc(strlen(value)); } else { pt = dash->pattern.array; } - memcpy(pt,value, (unsigned int) i); + memcpy(pt, value, (unsigned) i); dash->number = -i; return TCL_OK; } @@ -890,23 +891,23 @@ Tk_GetDash( goto badDashList; } - if ((unsigned int)ABS(dash->number) > sizeof(char *)) { - ckfree((char *) dash->pattern.pt); + if ((unsigned) ABS(dash->number) > sizeof(char *)) { + ckfree(dash->pattern.pt); } - if (argc > (int)sizeof(char *)) { - dash->pattern.pt = pt = (char *) ckalloc((unsigned int) argc); + if (argc > (int) sizeof(char *)) { + dash->pattern.pt = pt = ckalloc(argc); } else { pt = dash->pattern.array; } 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; @@ -915,7 +916,7 @@ Tk_GetDash( } if (argv != NULL) { - ckfree((char *) argv); + ckfree(argv); } return TCL_OK; @@ -924,15 +925,16 @@ 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((char *) argv); + ckfree(argv); } - if ((unsigned int)ABS(dash->number) > sizeof(char *)) { - ckfree((char *) dash->pattern.pt); + if ((unsigned) ABS(dash->number) > sizeof(char *)) { + ckfree(dash->pattern.pt); } dash->number = 0; return TCL_ERROR; @@ -1003,14 +1005,14 @@ Tk_DeleteOutline( if (outline->gc != None) { Tk_FreeGC(display, outline->gc); } - if ((unsigned int)ABS(outline->dash.number) > sizeof(char *)) { - ckfree((char *) outline->dash.pattern.pt); + if ((unsigned) ABS(outline->dash.number) > sizeof(char *)) { + ckfree(outline->dash.pattern.pt); } - if ((unsigned int)ABS(outline->activeDash.number) > sizeof(char *)) { - ckfree((char *) outline->activeDash.pattern.pt); + if ((unsigned) ABS(outline->activeDash.number) > sizeof(char *)) { + ckfree(outline->activeDash.pattern.pt); } - if ((unsigned int)ABS(outline->disabledDash.number) > sizeof(char *)) { - ckfree((char *) outline->disabledDash.pattern.pt); + if ((unsigned) ABS(outline->disabledDash.number) > sizeof(char *)) { + ckfree(outline->disabledDash.pattern.pt); } if (outline->color != NULL) { Tk_FreeColor(outline->color); @@ -1087,9 +1089,9 @@ Tk_ConfigOutlineGC( color = outline->color; stipple = outline->stipple; if (state == TK_STATE_NULL) { - state = ((TkCanvas *)canvas)->canvas_state; + state = Canvas(canvas)->canvas_state; } - if (((TkCanvas *)canvas)->currentItemPtr == item) { + if (Canvas(canvas)->currentItemPtr == item) { if (outline->activeWidth>width) { width = outline->activeWidth; } @@ -1168,7 +1170,7 @@ Tk_ChangeOutlineGC( Tk_Item *item, Tk_Outline *outline) { - CONST char *p; + const char *p; double width; Tk_Dash *dash; XColor *color; @@ -1183,9 +1185,9 @@ Tk_ChangeOutlineGC( color = outline->color; stipple = outline->stipple; if (state == TK_STATE_NULL) { - state = ((TkCanvas *)canvas)->canvas_state; + state = Canvas(canvas)->canvas_state; } - if (((TkCanvas *)canvas)->currentItemPtr == item) { + if (Canvas(canvas)->currentItemPtr == item) { if (outline->activeWidth > width) { width = outline->activeWidth; } @@ -1222,25 +1224,25 @@ Tk_ChangeOutlineGC( int i = -dash->number; p = (i > (int)sizeof(char *)) ? dash->pattern.pt : dash->pattern.array; - q = (char *) ckalloc(2*(unsigned int)i); + q = ckalloc(2 * i); i = DashConvert(q, p, i, width); - XSetDashes(((TkCanvas *)canvas)->display, outline->gc, - outline->offset, q, i); + XSetDashes(Canvas(canvas)->display, outline->gc, outline->offset, q,i); ckfree(q); } else if (dash->number>2 || (dash->number==2 && (dash->pattern.array[0]!=dash->pattern.array[1]))) { - p = (dash->number > (int)sizeof(char *)) + p = (dash->number > (int) sizeof(char *)) ? dash->pattern.pt : dash->pattern.array; - XSetDashes(((TkCanvas *)canvas)->display, outline->gc, - outline->offset, p, dash->number); + XSetDashes(Canvas(canvas)->display, outline->gc, outline->offset, p, + dash->number); } if (stipple!=None) { - int w=0; int h=0; + int w = 0; int h = 0; Tk_TSOffset *tsoffset = &outline->tsoffset; int flags = tsoffset->flags; + if (!(flags & TK_OFFSET_INDEX) && (flags & (TK_OFFSET_CENTER|TK_OFFSET_MIDDLE))) { - Tk_SizeOfBitmap(((TkCanvas *)canvas)->display, stipple, &w, &h); + Tk_SizeOfBitmap(Canvas(canvas)->display, stipple, &w, &h); if (flags & TK_OFFSET_CENTER) { w /= 2; } else { @@ -1268,9 +1270,9 @@ Tk_ChangeOutlineGC( * * Tk_ResetOutlineGC * - * Restores the GC to the situation before Tk_ChangeDashGC() 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. @@ -1302,9 +1304,9 @@ Tk_ResetOutlineGC( color = outline->color; stipple = outline->stipple; if (state == TK_STATE_NULL) { - state = ((TkCanvas *)canvas)->canvas_state; + state = Canvas(canvas)->canvas_state; } - if (((TkCanvas *)canvas)->currentItemPtr == item) { + if (Canvas(canvas)->currentItemPtr == item) { if (outline->activeWidth>width) { width = outline->activeWidth; } @@ -1338,16 +1340,16 @@ Tk_ResetOutlineGC( if ((dash->number > 2) || (dash->number < -1) || (dash->number==2 && (dash->pattern.array[0] != dash->pattern.array[1])) || ((dash->number == -1) && (dash->pattern.array[0] != ','))) { - if (dash->number > 0) { + if (dash->number > 0) { dashList = dash->pattern.array[0]; } else { dashList = (char) (4 * width + 0.5); } - XSetDashes(((TkCanvas *)canvas)->display, outline->gc, - outline->offset, &dashList , 1); + XSetDashes(Canvas(canvas)->display, outline->gc, outline->offset, + &dashList , 1); } if (stipple != None) { - XSetTSOrigin(((TkCanvas *)canvas)->display, outline->gc, 0, 0); + XSetTSOrigin(Canvas(canvas)->display, outline->gc, 0, 0); return 1; } return 0; @@ -1377,33 +1379,27 @@ Tk_CanvasPsOutline( Tk_Item *item, Tk_Outline *outline) { - char string[41]; char pattern[11]; int i; - char *ptr; - char *str = string; - char *lptr = pattern; - Tcl_Interp *interp = ((TkCanvas *)canvas)->interp; - double width; - Tk_Dash *dash; - XColor *color; - Pixmap stipple; + 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); - width = outline->width; - dash = &(outline->dash); - color = outline->color; - stipple = outline->stipple; if (state == TK_STATE_NULL) { - state = ((TkCanvas *)canvas)->canvas_state; + state = Canvas(canvas)->canvas_state; } - if (((TkCanvas *)canvas)->currentItemPtr == item) { + if (Canvas(canvas)->currentItemPtr == item) { if (outline->activeWidth > width) { width = outline->activeWidth; } if (outline->activeDash.number > 0) { - dash = &(outline->activeDash); + dash = &outline->activeDash; } if (outline->activeColor != NULL) { color = outline->activeColor; @@ -1416,7 +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; @@ -1425,66 +1421,65 @@ Tk_CanvasPsOutline( stipple = outline->disabledStipple; } } - sprintf(string, "%.15g setlinewidth\n", width); - Tcl_AppendResult(interp, string, NULL); - if (dash->number > 10) { - str = (char *)ckalloc((unsigned int) (1 + 4*dash->number)); - } else if (dash->number < -5) { - str = (char *)ckalloc((unsigned int) (1 - 8*dash->number)); - lptr = (char *)ckalloc((unsigned int) (1 - 2*dash->number)); - } - ptr = ((unsigned int)ABS(dash->number) > sizeof(char *)) ? + 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; @@ -1512,7 +1507,7 @@ static int DashConvert( char *l, /* Must be at least 2*n chars long, or NULL to * indicate "just check syntax". */ - CONST char *p, /* String to parse. */ + const char *p, /* String to parse. */ int n, /* Length of string to parse, or -1 to * indicate that strlen() should be used. */ double width) /* Width of line. */ @@ -1520,7 +1515,7 @@ DashConvert( int result = 0; int size, intWidth; - if (n<0) { + if (n < 0) { n = strlen(p); } intWidth = (int) (width + 0.5); @@ -1660,10 +1655,6 @@ TkCanvTranslatePath( double *a, *b, *t; /* Pointers to parts of the temporary * storage */ int i, j; /* Loop counters */ -#ifndef NDEBUG - int maxOutput; /* Maximum number of outputs that we will - * allow */ -#endif double limit[4]; /* Boundries at which clipping occurs */ double staticSpace[480]; /* Temp space from the stack */ @@ -1704,7 +1695,7 @@ TkCanvTranslatePath( double x, y; x = coordArr[i*2]; - y = coordArr[i*2+1]; + y = coordArr[i*2 + 1]; if (x<lft || x>rgh || y<top || y>btm) { break; } @@ -1722,10 +1713,10 @@ TkCanvTranslatePath( * b[]. Initialize a[] to be equal to coordArr[]. */ - if (numVertex*12 <= (int)(sizeof(staticSpace)/sizeof(staticSpace[0]))) { + if (numVertex*12 <= (int) (sizeof(staticSpace) / sizeof(double))) { tempArr = staticSpace; } else { - tempArr = (double *)ckalloc(numVertex*12*sizeof(tempArr[0])); + tempArr = ckalloc(numVertex * 12 * sizeof(double)); } for (i=0; i<numVertex*2; i++){ tempArr[i] = coordArr[i]; @@ -1758,12 +1749,9 @@ TkCanvTranslatePath( * This is the loop that makes the four passes through the data. */ -#ifndef NDEBUG - maxOutput = numVertex*3; -#endif - for (j=0; j<4; j++){ + for (j=0; j<4; j++) { double xClip = limit[j]; - int inside = a[0]<xClip; + int inside = a[0] < xClip; double priorY = a[1]; numOutput = 0; @@ -1772,9 +1760,9 @@ 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]; + double y = a[i*2 + 1]; if (x >= xClip) { /* @@ -1792,13 +1780,13 @@ TkCanvTranslatePath( double x0, y0, yN; assert(i > 0); - x0 = a[i*2-2]; - y0 = a[i*2-1]; + x0 = a[i*2 - 2]; + y0 = a[i*2 - 1]; yN = y0 + (y - y0)*(xClip-x0)/(x-x0); b[numOutput*2] = -yN; - b[numOutput*2+1] = xClip; + b[numOutput*2 + 1] = xClip; numOutput++; - assert(numOutput <= maxOutput); + assert(numOutput <= numVertex*3); priorY = yN; inside = 0; } else if (i == 0) { @@ -1817,8 +1805,10 @@ TkCanvTranslatePath( /* * The current vertex is to the left of xClip */ + if (!inside) { - /* If the current vertex is on the left of xClip and one + /* + * If the current vertex is on the left of xClip and one * or more prior vertices where to the right, then we have * to draw a line segment along xClip that extends from * the spot where we first crossed from left to right to @@ -1828,21 +1818,21 @@ TkCanvTranslatePath( double x0, y0, yN; assert(i > 0); - x0 = a[i*2-2]; - y0 = a[i*2-1]; + x0 = a[i*2 - 2]; + y0 = a[i*2 - 1]; yN = y0 + (y - y0)*(xClip-x0)/(x-x0); if (yN != priorY) { b[numOutput*2] = -yN; - b[numOutput*2+1] = xClip; + b[numOutput*2 + 1] = xClip; numOutput++; - assert(numOutput <= maxOutput); + assert(numOutput <= numVertex*3); } inside = 1; } b[numOutput*2] = -y; - b[numOutput*2+1] = x; + b[numOutput*2 + 1] = x; numOutput++; - assert(numOutput <= maxOutput); + assert(numOutput <= numVertex*3); } } @@ -1861,11 +1851,11 @@ 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) { - ckfree((char *) tempArr); + ckfree(tempArr); } return numOutput; } |