From f4092abdf94af6a99aff944d6264bc1284e8bdd4 Mon Sep 17 00:00:00 2001 From: Reinhard Tartler Date: Mon, 10 Oct 2011 17:43:39 +0200 Subject: Imported nx-X11-3.1.0-1.tar.gz Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository --- nx-X11/lib/Xft/xftdraw.c | 993 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 993 insertions(+) create mode 100644 nx-X11/lib/Xft/xftdraw.c (limited to 'nx-X11/lib/Xft/xftdraw.c') diff --git a/nx-X11/lib/Xft/xftdraw.c b/nx-X11/lib/Xft/xftdraw.c new file mode 100644 index 000000000..f9c1cbd6f --- /dev/null +++ b/nx-X11/lib/Xft/xftdraw.c @@ -0,0 +1,993 @@ +/* + * $Id: xftdraw.c,v 1.4 2005/07/03 07:00:57 daniels Exp $ + * + * Copyright © 2000 Keith Packard + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +#include "xftint.h" + +/* + * Ok, this is a pain. To share source pictures across multiple destinations, + * the screen for each drawable must be discovered. + */ + +static int +_XftDrawScreen (Display *dpy, Drawable drawable, Visual *visual) +{ + int s; + Window root; + int x, y; + unsigned int width, height, borderWidth, depth; + /* Special case the most common environment */ + if (ScreenCount (dpy) == 1) + return 0; + /* + * If we've got a visual, look for the screen that points at it. + * This requires no round trip. + */ + if (visual) + { + for (s = 0; s < ScreenCount (dpy); s++) + { + XVisualInfo template, *ret; + int nret; + + template.visualid = visual->visualid; + template.screen = s; + ret = XGetVisualInfo (dpy, VisualIDMask|VisualScreenMask, + &template, &nret); + if (ret) + { + XFree (ret); + return s; + } + } + } + /* + * Otherwise, as the server for the drawable geometry and find + * the screen from the root window. + * This takes a round trip. + */ + if (XGetGeometry (dpy, drawable, &root, &x, &y, &width, &height, + &borderWidth, &depth)) + { + for (s = 0; s < ScreenCount (dpy); s++) + { + if (RootWindow (dpy, s) == root) + return s; + } + } + /* + * Make a guess -- it's probably wrong, but then the app probably + * handed us a bogus drawable in this case + */ + return 0; +} + +unsigned int +XftDrawDepth (XftDraw *draw) +{ + if (!draw->depth) + { + Window root; + int x, y; + unsigned int width, height, borderWidth, depth; + if (XGetGeometry (draw->dpy, draw->drawable, + &root, &x, &y, &width, &height, + &borderWidth, &depth)) + draw->depth = depth; + } + return draw->depth; +} + +unsigned int +XftDrawBitsPerPixel (XftDraw *draw) +{ + if (!draw->bits_per_pixel) + { + XPixmapFormatValues *formats; + int nformats; + unsigned int depth; + + if ((depth = XftDrawDepth (draw)) && + (formats = XListPixmapFormats (draw->dpy, &nformats))) + { + int i; + + for (i = 0; i < nformats; i++) + { + if (formats[i].depth == depth) + { + draw->bits_per_pixel = formats[i].bits_per_pixel; + break; + } + } + XFree (formats); + } + } + return draw->bits_per_pixel; +} + +XftDraw * +XftDrawCreate (Display *dpy, + Drawable drawable, + Visual *visual, + Colormap colormap) +{ + XftDraw *draw; + + draw = (XftDraw *) malloc (sizeof (XftDraw)); + if (!draw) + return 0; + + draw->dpy = dpy; + draw->drawable = drawable; + draw->screen = _XftDrawScreen (dpy, drawable, visual); + draw->depth = 0; /* don't find out unless we need to know */ + draw->bits_per_pixel = 0; /* don't find out unless we need to know */ + draw->visual = visual; + draw->colormap = colormap; + draw->render.pict = 0; + draw->core.gc = 0; + draw->core.use_pixmap = 0; + draw->clip_type = XftClipTypeNone; + draw->subwindow_mode = ClipByChildren; + XftMemAlloc (XFT_MEM_DRAW, sizeof (XftDraw)); + return draw; +} + +XftDraw * +XftDrawCreateBitmap (Display *dpy, + Pixmap bitmap) +{ + XftDraw *draw; + + draw = (XftDraw *) malloc (sizeof (XftDraw)); + if (!draw) + return 0; + draw->dpy = dpy; + draw->drawable = (Drawable) bitmap; + draw->screen = _XftDrawScreen (dpy, bitmap, 0); + draw->depth = 1; + draw->bits_per_pixel = 1; + draw->visual = 0; + draw->colormap = 0; + draw->render.pict = 0; + draw->core.gc = 0; + draw->core.use_pixmap = 0; + draw->clip_type = XftClipTypeNone; + draw->subwindow_mode = ClipByChildren; + XftMemAlloc (XFT_MEM_DRAW, sizeof (XftDraw)); + return draw; +} + +XftDraw * +XftDrawCreateAlpha (Display *dpy, + Pixmap pixmap, + int depth) +{ + XftDraw *draw; + + draw = (XftDraw *) malloc (sizeof (XftDraw)); + if (!draw) + return 0; + draw->dpy = dpy; + draw->drawable = (Drawable) pixmap; + draw->screen = _XftDrawScreen (dpy, pixmap, 0); + draw->depth = depth; + draw->bits_per_pixel = 0; /* don't find out until we need it */ + draw->visual = 0; + draw->colormap = 0; + draw->render.pict = 0; + draw->core.gc = 0; + draw->core.use_pixmap = 0; + draw->clip_type = XftClipTypeNone; + draw->subwindow_mode = ClipByChildren; + XftMemAlloc (XFT_MEM_DRAW, sizeof (XftDraw)); + return draw; +} + +static XRenderPictFormat * +_XftDrawFormat (XftDraw *draw) +{ + XftDisplayInfo *info = _XftDisplayInfoGet (draw->dpy, True); + + if (!info->hasRender) + return 0; + + if (draw->visual == 0) + { + XRenderPictFormat pf; + + pf.type = PictTypeDirect; + pf.depth = XftDrawDepth (draw); + pf.direct.alpha = 0; + pf.direct.alphaMask = (1 << pf.depth) - 1; + return XRenderFindFormat (draw->dpy, + (PictFormatType| + PictFormatDepth| + PictFormatAlpha| + PictFormatAlphaMask), + &pf, + 0); + } + else + return XRenderFindVisualFormat (draw->dpy, draw->visual); +} + +void +XftDrawChange (XftDraw *draw, + Drawable drawable) +{ + draw->drawable = drawable; + if (draw->render.pict) + { + XRenderFreePicture (draw->dpy, draw->render.pict); + draw->render.pict = 0; + } + if (draw->core.gc) + { + XFreeGC (draw->dpy, draw->core.gc); + draw->core.gc = 0; + } +} + +Display * +XftDrawDisplay (XftDraw *draw) +{ + return draw->dpy; +} + +Drawable +XftDrawDrawable (XftDraw *draw) +{ + return draw->drawable; +} + +Colormap +XftDrawColormap (XftDraw *draw) +{ + return draw->colormap; +} + +Visual * +XftDrawVisual (XftDraw *draw) +{ + return draw->visual; +} + +void +XftDrawDestroy (XftDraw *draw) +{ + if (draw->render.pict) + XRenderFreePicture (draw->dpy, draw->render.pict); + if (draw->core.gc) + XFreeGC (draw->dpy, draw->core.gc); + switch (draw->clip_type) { + case XftClipTypeRegion: + XDestroyRegion (draw->clip.region); + break; + case XftClipTypeRectangles: + free (draw->clip.rect); + break; + case XftClipTypeNone: + break; + } + XftMemFree (XFT_MEM_DRAW, sizeof (XftDraw)); + free (draw); +} + +Picture +XftDrawSrcPicture (XftDraw *draw, _Xconst XftColor *color) +{ + Display *dpy = draw->dpy; + XftDisplayInfo *info = _XftDisplayInfoGet (dpy, True); + int i; + XftColor bitmapColor; + + if (!info) + return 0; + + /* + * Monochrome targets require special handling; the PictOp controls + * the color, and the color must be opaque + */ + if (!draw->visual && draw->depth == 1) + { + bitmapColor.color.alpha = 0xffff; + bitmapColor.color.red = 0xffff; + bitmapColor.color.green = 0xffff; + bitmapColor.color.blue = 0xffff; + color = &bitmapColor; + } + + /* + * See if there's one already available + */ + for (i = 0; i < XFT_NUM_SOLID_COLOR; i++) + { + if (info->colors[i].pict && + info->colors[i].screen == draw->screen && + !memcmp ((void *) &color->color, + (void *) &info->colors[i].color, + sizeof (XRenderColor))) + return info->colors[i].pict; + } + /* + * Pick one to replace at random + */ + i = (unsigned int) rand () % XFT_NUM_SOLID_COLOR; + /* + * Recreate if it was for the wrong screen + */ + if (info->colors[i].screen != draw->screen && info->colors[i].pict) + { + XRenderFreePicture (dpy, info->colors[i].pict); + info->colors[i].pict = 0; + } + /* + * Create picture if necessary + */ + if (!info->colors[i].pict) + { + Pixmap pix; + XRenderPictureAttributes pa; + + pix = XCreatePixmap (dpy, RootWindow (dpy, draw->screen), 1, 1, + info->solidFormat->depth); + pa.repeat = True; + info->colors[i].pict = XRenderCreatePicture (draw->dpy, + pix, + info->solidFormat, + CPRepeat, &pa); + XFreePixmap (dpy, pix); + } + /* + * Set to the new color + */ + info->colors[i].color = color->color; + info->colors[i].screen = draw->screen; + XRenderFillRectangle (dpy, PictOpSrc, + info->colors[i].pict, + &color->color, 0, 0, 1, 1); + return info->colors[i].pict; +} + +static int +_XftDrawOp (_Xconst XftDraw *draw, _Xconst XftColor *color) +{ + if (draw->visual || draw->depth != 1) + return PictOpOver; + if (color->color.alpha >= 0x8000) + return PictOpOver; + return PictOpOutReverse; +} + +static FcBool +_XftDrawRenderPrepare (XftDraw *draw) +{ + if (!draw->render.pict) + { + XRenderPictFormat *format; + XRenderPictureAttributes pa; + unsigned long mask = 0; + + format = _XftDrawFormat (draw); + if (!format) + return FcFalse; + + if (draw->subwindow_mode == IncludeInferiors) + { + pa.subwindow_mode = IncludeInferiors; + mask |= CPSubwindowMode; + } + draw->render.pict = XRenderCreatePicture (draw->dpy, draw->drawable, + format, mask, &pa); + if (!draw->render.pict) + return FcFalse; + switch (draw->clip_type) { + case XftClipTypeRegion: + XRenderSetPictureClipRegion (draw->dpy, draw->render.pict, + draw->clip.region); + break; + case XftClipTypeRectangles: + XRenderSetPictureClipRectangles (draw->dpy, draw->render.pict, + draw->clip.rect->xOrigin, + draw->clip.rect->yOrigin, + XftClipRects(draw->clip.rect), + draw->clip.rect->n); + break; + case XftClipTypeNone: + break; + } + } + return FcTrue; +} + +static FcBool +_XftDrawCorePrepare (XftDraw *draw, _Xconst XftColor *color) +{ + if (!draw->core.gc) + { + XGCValues gcv; + unsigned long mask = 0; + if (draw->subwindow_mode == IncludeInferiors) + { + gcv.subwindow_mode = IncludeInferiors; + mask |= GCSubwindowMode; + } + draw->core.gc = XCreateGC (draw->dpy, draw->drawable, mask, &gcv); + if (!draw->core.gc) + return FcFalse; + switch (draw->clip_type) { + case XftClipTypeRegion: + XSetRegion (draw->dpy, draw->core.gc, draw->clip.region); + break; + case XftClipTypeRectangles: + XSetClipRectangles (draw->dpy, draw->core.gc, + draw->clip.rect->xOrigin, + draw->clip.rect->yOrigin, + XftClipRects (draw->clip.rect), + draw->clip.rect->n, + Unsorted); + break; + case XftClipTypeNone: + break; + } + } + XSetForeground (draw->dpy, draw->core.gc, color->pixel); + return FcTrue; +} + +Picture +XftDrawPicture (XftDraw *draw) +{ + if (!_XftDrawRenderPrepare (draw)) + return 0; + return draw->render.pict; +} + +#define NUM_LOCAL 1024 + +void +XftDrawGlyphs (XftDraw *draw, + _Xconst XftColor *color, + XftFont *pub, + int x, + int y, + _Xconst FT_UInt *glyphs, + int nglyphs) +{ + XftFontInt *font = (XftFontInt *) pub; + + if (font->format) + { + Picture src; + + if (_XftDrawRenderPrepare (draw) && + (src = XftDrawSrcPicture (draw, color))) + XftGlyphRender (draw->dpy, _XftDrawOp (draw, color), + src, pub, draw->render.pict, + 0, 0, x, y, glyphs, nglyphs); + } + else + { + if (_XftDrawCorePrepare (draw, color)) + XftGlyphCore (draw, color, pub, x, y, glyphs, nglyphs); + } +} + +void +XftDrawString8 (XftDraw *draw, + _Xconst XftColor *color, + XftFont *pub, + int x, + int y, + _Xconst FcChar8 *string, + int len) +{ + FT_UInt *glyphs, glyphs_local[NUM_LOCAL]; + int i; + + if (XftDebug () & XFT_DBG_DRAW) + printf ("DrawString \"%*.*s\"\n", len, len, string); + + if (len <= NUM_LOCAL) + glyphs = glyphs_local; + else + { + glyphs = malloc (len * sizeof (FT_UInt)); + if (!glyphs) + return; + } + for (i = 0; i < len; i++) + glyphs[i] = XftCharIndex (draw->dpy, pub, string[i]); + XftDrawGlyphs (draw, color, pub, x, y, glyphs, len); + if (glyphs != glyphs_local) + free (glyphs); +} + +void +XftDrawString16 (XftDraw *draw, + _Xconst XftColor *color, + XftFont *pub, + int x, + int y, + _Xconst FcChar16 *string, + int len) +{ + FT_UInt *glyphs, glyphs_local[NUM_LOCAL]; + int i; + + if (len <= NUM_LOCAL) + glyphs = glyphs_local; + else + { + glyphs = malloc (len * sizeof (FT_UInt)); + if (!glyphs) + return; + } + for (i = 0; i < len; i++) + glyphs[i] = XftCharIndex (draw->dpy, pub, string[i]); + + XftDrawGlyphs (draw, color, pub, x, y, glyphs, len); + if (glyphs != glyphs_local) + free (glyphs); +} + +void +XftDrawString32 (XftDraw *draw, + _Xconst XftColor *color, + XftFont *pub, + int x, + int y, + _Xconst FcChar32 *string, + int len) +{ + FT_UInt *glyphs, glyphs_local[NUM_LOCAL]; + int i; + + if (len <= NUM_LOCAL) + glyphs = glyphs_local; + else + { + glyphs = malloc (len * sizeof (FT_UInt)); + if (!glyphs) + return; + } + for (i = 0; i < len; i++) + glyphs[i] = XftCharIndex (draw->dpy, pub, string[i]); + + XftDrawGlyphs (draw, color, pub, x, y, glyphs, len); + if (glyphs != glyphs_local) + free (glyphs); +} + +void +XftDrawStringUtf8 (XftDraw *draw, + _Xconst XftColor *color, + XftFont *pub, + int x, + int y, + _Xconst FcChar8 *string, + int len) +{ + FT_UInt *glyphs, *glyphs_new, glyphs_local[NUM_LOCAL]; + FcChar32 ucs4; + int i; + int l; + int size; + + i = 0; + glyphs = glyphs_local; + size = NUM_LOCAL; + while (len && (l = FcUtf8ToUcs4 (string, &ucs4, len)) > 0) + { + if (i == size) + { + glyphs_new = malloc (size * 2 * sizeof (FT_UInt)); + if (!glyphs_new) + { + if (glyphs != glyphs_local) + free (glyphs); + return; + } + memcpy (glyphs_new, glyphs, size * sizeof (FT_UInt)); + size *= 2; + if (glyphs != glyphs_local) + free (glyphs); + glyphs = glyphs_new; + } + glyphs[i++] = XftCharIndex (draw->dpy, pub, ucs4); + string += l; + len -= l; + } + XftDrawGlyphs (draw, color, pub, x, y, glyphs, i); + if (glyphs != glyphs_local) + free (glyphs); +} + +void +XftDrawStringUtf16 (XftDraw *draw, + _Xconst XftColor *color, + XftFont *pub, + int x, + int y, + _Xconst FcChar8 *string, + FcEndian endian, + int len) +{ + FT_UInt *glyphs, *glyphs_new, glyphs_local[NUM_LOCAL]; + FcChar32 ucs4; + int i; + int l; + int size; + + i = 0; + glyphs = glyphs_local; + size = NUM_LOCAL; + while (len && (l = FcUtf16ToUcs4 (string, endian, &ucs4, len)) > 0) + { + if (i == size) + { + glyphs_new = malloc (size * 2 * sizeof (FT_UInt)); + if (!glyphs_new) + { + if (glyphs != glyphs_local) + free (glyphs); + return; + } + memcpy (glyphs_new, glyphs, size * sizeof (FT_UInt)); + size *= 2; + if (glyphs != glyphs_local) + free (glyphs); + glyphs = glyphs_new; + } + glyphs[i++] = XftCharIndex (draw->dpy, pub, ucs4); + string += l; + len -= l; + } + XftDrawGlyphs (draw, color, pub, x, y, glyphs, i); + if (glyphs != glyphs_local) + free (glyphs); +} + +void +XftDrawGlyphSpec (XftDraw *draw, + _Xconst XftColor *color, + XftFont *pub, + _Xconst XftGlyphSpec *glyphs, + int len) +{ + XftFontInt *font = (XftFontInt *) pub; + + if (font->format) + { + Picture src; + + if (_XftDrawRenderPrepare (draw) && + (src = XftDrawSrcPicture (draw, color))) + { + XftGlyphSpecRender (draw->dpy, _XftDrawOp (draw, color), + src, pub, draw->render.pict, + 0, 0, glyphs, len); + } + } + else + { + if (_XftDrawCorePrepare (draw, color)) + XftGlyphSpecCore (draw, color, pub, glyphs, len); + } +} + +void +XftDrawGlyphFontSpec (XftDraw *draw, + _Xconst XftColor *color, + _Xconst XftGlyphFontSpec *glyphs, + int len) +{ + int i; + int start; + + i = 0; + while (i < len) + { + start = i; + if (((XftFontInt *) glyphs[i].font)->format) + { + Picture src; + while (i < len && ((XftFontInt *) glyphs[i].font)->format) + i++; + if (_XftDrawRenderPrepare (draw) && + (src = XftDrawSrcPicture (draw, color))) + { + XftGlyphFontSpecRender (draw->dpy, _XftDrawOp (draw, color), + src, draw->render.pict, + 0, 0, glyphs + start , i - start); + } + } + else + { + while (i < len && !((XftFontInt *) glyphs[i].font)->format) + i++; + if (_XftDrawCorePrepare (draw, color)) + XftGlyphFontSpecCore (draw, color, glyphs + start, i - start); + } + } +} + +void +XftDrawCharSpec (XftDraw *draw, + _Xconst XftColor *color, + XftFont *pub, + _Xconst XftCharSpec *chars, + int len) +{ + XftGlyphSpec *glyphs, glyphs_local[NUM_LOCAL]; + int i; + + if (len <= NUM_LOCAL) + glyphs = glyphs_local; + else + { + glyphs = malloc (len * sizeof (XftGlyphSpec)); + if (!glyphs) + return; + } + for (i = 0; i < len; i++) + { + glyphs[i].glyph = XftCharIndex(draw->dpy, pub, chars[i].ucs4); + glyphs[i].x = chars[i].x; + glyphs[i].y = chars[i].y; + } + + XftDrawGlyphSpec (draw, color, pub, glyphs, len); + if (glyphs != glyphs_local) + free (glyphs); +} + +void +XftDrawCharFontSpec (XftDraw *draw, + _Xconst XftColor *color, + _Xconst XftCharFontSpec *chars, + int len) +{ + XftGlyphFontSpec *glyphs, glyphs_local[NUM_LOCAL]; + int i; + + if (len <= NUM_LOCAL) + glyphs = glyphs_local; + else + { + glyphs = malloc (len * sizeof (XftGlyphFontSpec)); + if (!glyphs) + return; + } + for (i = 0; i < len; i++) + { + glyphs[i].font = chars[i].font; + glyphs[i].glyph = XftCharIndex(draw->dpy, glyphs[i].font, chars[i].ucs4); + glyphs[i].x = chars[i].x; + glyphs[i].y = chars[i].y; + } + + XftDrawGlyphFontSpec (draw, color, glyphs, len); + if (glyphs != glyphs_local) + free (glyphs); +} + +void +XftDrawRect (XftDraw *draw, + _Xconst XftColor *color, + int x, + int y, + unsigned int width, + unsigned int height) +{ + if (_XftDrawRenderPrepare (draw)) + { + XRenderFillRectangle (draw->dpy, PictOpSrc, draw->render.pict, + &color->color, x, y, width, height); + } + else if (_XftDrawCorePrepare (draw, color)) + { + XftRectCore (draw, color, x, y, width, height); + } +} + +Bool +XftDrawSetClip (XftDraw *draw, + Region r) +{ + Region n = 0; + + /* + * Check for quick exits + */ + if (!r && draw->clip_type == XftClipTypeNone) + return True; + + if (r && + draw->clip_type == XftClipTypeRegion && + XEqualRegion (r, draw->clip.region)) + { + return True; + } + + /* + * Duplicate the region so future changes can be short circuited + */ + if (r) + { + n = XCreateRegion (); + if (n) + { + if (!XUnionRegion (n, r, n)) + { + XDestroyRegion (n); + return False; + } + } + } + + /* + * Destroy existing clip + */ + switch (draw->clip_type) { + case XftClipTypeRegion: + XDestroyRegion (draw->clip.region); + break; + case XftClipTypeRectangles: + free (draw->clip.rect); + break; + case XftClipTypeNone: + break; + } + + /* + * Set the clip + */ + if (n) + { + draw->clip_type = XftClipTypeRegion; + draw->clip.region = n; + } + else + { + draw->clip_type = XftClipTypeNone; + } + /* + * Apply new clip to existing objects + */ + if (draw->render.pict) + { + if (n) + XRenderSetPictureClipRegion (draw->dpy, draw->render.pict, n); + else + { + XRenderPictureAttributes pa; + pa.clip_mask = None; + XRenderChangePicture (draw->dpy, draw->render.pict, + CPClipMask, &pa); + } + } + if (draw->core.gc) + { + if (n) + XSetRegion (draw->dpy, draw->core.gc, draw->clip.region); + else + XSetClipMask (draw->dpy, draw->core.gc, None); + } + return True; +} + +Bool +XftDrawSetClipRectangles (XftDraw *draw, + int xOrigin, + int yOrigin, + _Xconst XRectangle *rects, + int n) +{ + XftClipRect *new = 0; + + /* + * Check for quick exit + */ + if (draw->clip_type == XftClipTypeRectangles && + draw->clip.rect->n == n && + (n == 0 || (draw->clip.rect->xOrigin == xOrigin && + draw->clip.rect->yOrigin == yOrigin)) && + !memcmp (XftClipRects (draw->clip.rect), rects, n * sizeof (XRectangle))) + { + return True; + } + + /* + * Duplicate the region so future changes can be short circuited + */ + new = malloc (sizeof (XftClipRect) + n * sizeof (XRectangle)); + if (!new) + return False; + + new->n = n; + new->xOrigin = xOrigin; + new->yOrigin = yOrigin; + memcpy (XftClipRects (new), rects, n * sizeof (XRectangle)); + + /* + * Destroy existing clip + */ + switch (draw->clip_type) { + case XftClipTypeRegion: + XDestroyRegion (draw->clip.region); + break; + case XftClipTypeRectangles: + free (draw->clip.rect); + break; + case XftClipTypeNone: + break; + } + + /* + * Set the clip + */ + draw->clip_type = XftClipTypeRectangles; + draw->clip.rect = new; + /* + * Apply new clip to existing objects + */ + if (draw->render.pict) + { + XRenderSetPictureClipRectangles (draw->dpy, draw->render.pict, + new->xOrigin, + new->yOrigin, + XftClipRects(new), + new->n); + } + if (draw->core.gc) + { + XSetClipRectangles (draw->dpy, draw->core.gc, + new->xOrigin, + new->yOrigin, + XftClipRects (new), + new->n, + Unsorted); + } + return True; +} + +void +XftDrawSetSubwindowMode (XftDraw *draw, int mode) +{ + if (mode == draw->subwindow_mode) + return; + draw->subwindow_mode = mode; + if (draw->render.pict) + { + XRenderPictureAttributes pa; + + pa.subwindow_mode = mode; + XRenderChangePicture (draw->dpy, draw->render.pict, + CPSubwindowMode, &pa); + } + if (draw->core.gc) + XSetSubwindowMode (draw->dpy, draw->core.gc, mode); +} -- cgit v1.2.3