diff options
Diffstat (limited to 'generic/tkCanvas.c')
| -rw-r--r-- | generic/tkCanvas.c | 33 |
1 files changed, 25 insertions, 8 deletions
diff --git a/generic/tkCanvas.c b/generic/tkCanvas.c index 34454bb..3a60a2b 100644 --- a/generic/tkCanvas.c +++ b/generic/tkCanvas.c @@ -12,7 +12,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tkCanvas.c,v 1.42 2007/04/17 15:24:48 dkf Exp $ + * RCS: @(#) $Id: tkCanvas.c,v 1.43 2007/04/23 21:15:18 das Exp $ */ /* #define USE_OLD_TAG_SEARCH 1 */ @@ -21,6 +21,11 @@ #include "tkInt.h" #include "tkPort.h" #include "tkCanvas.h" +#ifdef TK_NO_DOUBLE_BUFFERING +#ifdef MAC_OSX_TK +#include "tkMacOSXInt.h" +#endif +#endif /* TK_NO_DOUBLE_BUFFERING */ /* * See tkCanvas.h for key data structures used to implement canvases. @@ -177,10 +182,10 @@ static Tk_ConfigSpec configSpecs[] = { TK_CONFIG_MONO_ONLY}, {TK_CONFIG_COLOR, "-selectforeground", "selectForeground", "Background", DEF_CANVAS_SELECT_FG_COLOR, Tk_Offset(TkCanvas, textInfo.selFgColorPtr), - TK_CONFIG_COLOR_ONLY}, + TK_CONFIG_COLOR_ONLY|TK_CONFIG_NULL_OK}, {TK_CONFIG_COLOR, "-selectforeground", "selectForeground", "Background", DEF_CANVAS_SELECT_FG_MONO, Tk_Offset(TkCanvas, textInfo.selFgColorPtr), - TK_CONFIG_MONO_ONLY}, + TK_CONFIG_MONO_ONLY|TK_CONFIG_NULL_OK}, {TK_CONFIG_CUSTOM, "-state", "state", "State", "normal", Tk_Offset(TkCanvas, canvas_state), TK_CONFIG_DONT_SET_DEFAULT, &stateOption}, @@ -2132,6 +2137,10 @@ DisplayCanvas( goto borders; } + width = screenX2 - screenX1; + height = screenY2 - screenY1; + +#ifndef TK_NO_DOUBLE_BUFFERING /* * Redrawing is done in a temporary pixmap that is allocated here and * freed at the end of the function. All drawing is done to the @@ -2166,14 +2175,19 @@ DisplayCanvas( (screenX2 + 30 - canvasPtr->drawableXOrigin), (screenY2 + 30 - canvasPtr->drawableYOrigin), Tk_Depth(tkwin)); +#else + canvasPtr->drawableXOrigin = canvasPtr->xOrigin; + canvasPtr->drawableYOrigin = canvasPtr->yOrigin; + pixmap = Tk_WindowId(tkwin); + TkpClipDrawableToRect(Tk_Display(tkwin), pixmap, + screenX1 - canvasPtr->xOrigin, screenY1 - canvasPtr->yOrigin, + width, height); +#endif /* TK_NO_DOUBLE_BUFFERING */ /* * Clear the area to be redrawn. */ - width = screenX2 - screenX1; - height = screenY2 - screenY1; - XFillRectangle(Tk_Display(tkwin), pixmap, canvasPtr->pixmapGC, screenX1 - canvasPtr->drawableXOrigin, screenY1 - canvasPtr->drawableYOrigin, (unsigned int) width, @@ -2211,6 +2225,7 @@ DisplayCanvas( height); } +#ifndef TK_NO_DOUBLE_BUFFERING /* * Copy from the temporary pixmap to the screen, then free up the * temporary pixmap. @@ -2220,10 +2235,12 @@ DisplayCanvas( canvasPtr->pixmapGC, screenX1 - canvasPtr->drawableXOrigin, screenY1 - canvasPtr->drawableYOrigin, - (unsigned) (screenX2 - screenX1), - (unsigned) (screenY2 - screenY1), + (unsigned int) width, (unsigned int) height, screenX1 - canvasPtr->xOrigin, screenY1 - canvasPtr->yOrigin); Tk_FreePixmap(Tk_Display(tkwin), pixmap); +#else + TkpClipDrawableToRect(Tk_Display(tkwin), pixmap, 0, 0, -1, -1); +#endif /* TK_NO_DOUBLE_BUFFERING */ } /* |