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Diffstat (limited to 'libXft/src/xftdraw.c')
-rw-r--r--libXft/src/xftdraw.c1988
1 files changed, 994 insertions, 994 deletions
diff --git a/libXft/src/xftdraw.c b/libXft/src/xftdraw.c
index 21f8538a3..7b8f84dd5 100644
--- a/libXft/src/xftdraw.c
+++ b/libXft/src/xftdraw.c
@@ -1,994 +1,994 @@
-/*
- * 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;
-}
-
-_X_HIDDEN 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;
-}
-
-_X_HIDDEN 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;
-}
-
-_X_EXPORT XftDraw *
-XftDrawCreate (Display *dpy,
- Drawable drawable,
- Visual *visual,
- Colormap colormap)
-{
- XftDraw *draw;
-
- draw = (XftDraw *) malloc (sizeof (XftDraw));
- if (!draw)
- return NULL;
-
- 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 = NULL;
- draw->core.use_pixmap = 0;
- draw->clip_type = XftClipTypeNone;
- draw->subwindow_mode = ClipByChildren;
- XftMemAlloc (XFT_MEM_DRAW, sizeof (XftDraw));
- return draw;
-}
-
-_X_EXPORT XftDraw *
-XftDrawCreateBitmap (Display *dpy,
- Pixmap bitmap)
-{
- XftDraw *draw;
-
- draw = (XftDraw *) malloc (sizeof (XftDraw));
- if (!draw)
- return NULL;
- draw->dpy = dpy;
- draw->drawable = (Drawable) bitmap;
- draw->screen = _XftDrawScreen (dpy, bitmap, NULL);
- draw->depth = 1;
- draw->bits_per_pixel = 1;
- draw->visual = NULL;
- draw->colormap = 0;
- draw->render.pict = 0;
- draw->core.gc = NULL;
- draw->core.use_pixmap = 0;
- draw->clip_type = XftClipTypeNone;
- draw->subwindow_mode = ClipByChildren;
- XftMemAlloc (XFT_MEM_DRAW, sizeof (XftDraw));
- return draw;
-}
-
-_X_EXPORT XftDraw *
-XftDrawCreateAlpha (Display *dpy,
- Pixmap pixmap,
- int depth)
-{
- XftDraw *draw;
-
- draw = (XftDraw *) malloc (sizeof (XftDraw));
- if (!draw)
- return NULL;
- draw->dpy = dpy;
- draw->drawable = (Drawable) pixmap;
- draw->screen = _XftDrawScreen (dpy, pixmap, NULL);
- draw->depth = depth;
- draw->bits_per_pixel = 0; /* don't find out until we need it */
- draw->visual = NULL;
- draw->colormap = 0;
- draw->render.pict = 0;
- draw->core.gc = NULL;
- 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 || !info->hasRender)
- return NULL;
-
- if (draw->visual == NULL)
- {
- 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);
-}
-
-_X_EXPORT 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 = NULL;
- }
-}
-
-_X_EXPORT Display *
-XftDrawDisplay (XftDraw *draw)
-{
- return draw->dpy;
-}
-
-_X_EXPORT Drawable
-XftDrawDrawable (XftDraw *draw)
-{
- return draw->drawable;
-}
-
-_X_EXPORT Colormap
-XftDrawColormap (XftDraw *draw)
-{
- return draw->colormap;
-}
-
-_X_EXPORT Visual *
-XftDrawVisual (XftDraw *draw)
-{
- return draw->visual;
-}
-
-_X_EXPORT 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);
-}
-
-_X_EXPORT Picture
-XftDrawSrcPicture (XftDraw *draw, _Xconst XftColor *color)
-{
- Display *dpy = draw->dpy;
- XftDisplayInfo *info = _XftDisplayInfoGet (dpy, True);
- int i;
- XftColor bitmapColor;
-
- if (!info || !info->solidFormat)
- 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;
-}
-
-_X_EXPORT Picture
-XftDrawPicture (XftDraw *draw)
-{
- if (!_XftDrawRenderPrepare (draw))
- return 0;
- return draw->render.pict;
-}
-
-#define NUM_LOCAL 1024
-
-_X_EXPORT 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);
- }
-}
-
-_X_EXPORT 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);
-}
-
-_X_EXPORT 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);
-}
-
-_X_EXPORT 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);
-}
-
-_X_EXPORT 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);
-}
-
-_X_EXPORT 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);
-}
-
-_X_EXPORT 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);
- }
-}
-
-_X_EXPORT 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);
- }
- }
-}
-
-_X_EXPORT 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);
-}
-
-_X_EXPORT 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);
-}
-
-_X_EXPORT 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))
- {
- /* note: not XftRectCore() */
- XSetForeground (draw->dpy, draw->core.gc, color->pixel);
- XFillRectangle (draw->dpy, draw->drawable, draw->core.gc,
- x, y, width, height);
- }
-}
-
-_X_EXPORT Bool
-XftDrawSetClip (XftDraw *draw,
- Region r)
-{
- Region n = NULL;
-
- /*
- * 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;
-}
-
-_X_EXPORT Bool
-XftDrawSetClipRectangles (XftDraw *draw,
- int xOrigin,
- int yOrigin,
- _Xconst XRectangle *rects,
- int n)
-{
- XftClipRect *new = NULL;
-
- /*
- * 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;
-}
-
-_X_EXPORT 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);
-}
+/*
+ * 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;
+}
+
+_X_HIDDEN 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;
+}
+
+_X_HIDDEN 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;
+}
+
+_X_EXPORT XftDraw *
+XftDrawCreate (Display *dpy,
+ Drawable drawable,
+ Visual *visual,
+ Colormap colormap)
+{
+ XftDraw *draw;
+
+ draw = (XftDraw *) malloc (sizeof (XftDraw));
+ if (!draw)
+ return NULL;
+
+ 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 = NULL;
+ draw->core.use_pixmap = 0;
+ draw->clip_type = XftClipTypeNone;
+ draw->subwindow_mode = ClipByChildren;
+ XftMemAlloc (XFT_MEM_DRAW, sizeof (XftDraw));
+ return draw;
+}
+
+_X_EXPORT XftDraw *
+XftDrawCreateBitmap (Display *dpy,
+ Pixmap bitmap)
+{
+ XftDraw *draw;
+
+ draw = (XftDraw *) malloc (sizeof (XftDraw));
+ if (!draw)
+ return NULL;
+ draw->dpy = dpy;
+ draw->drawable = (Drawable) bitmap;
+ draw->screen = _XftDrawScreen (dpy, bitmap, NULL);
+ draw->depth = 1;
+ draw->bits_per_pixel = 1;
+ draw->visual = NULL;
+ draw->colormap = 0;
+ draw->render.pict = 0;
+ draw->core.gc = NULL;
+ draw->core.use_pixmap = 0;
+ draw->clip_type = XftClipTypeNone;
+ draw->subwindow_mode = ClipByChildren;
+ XftMemAlloc (XFT_MEM_DRAW, sizeof (XftDraw));
+ return draw;
+}
+
+_X_EXPORT XftDraw *
+XftDrawCreateAlpha (Display *dpy,
+ Pixmap pixmap,
+ int depth)
+{
+ XftDraw *draw;
+
+ draw = (XftDraw *) malloc (sizeof (XftDraw));
+ if (!draw)
+ return NULL;
+ draw->dpy = dpy;
+ draw->drawable = (Drawable) pixmap;
+ draw->screen = _XftDrawScreen (dpy, pixmap, NULL);
+ draw->depth = depth;
+ draw->bits_per_pixel = 0; /* don't find out until we need it */
+ draw->visual = NULL;
+ draw->colormap = 0;
+ draw->render.pict = 0;
+ draw->core.gc = NULL;
+ 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 || !info->hasRender)
+ return NULL;
+
+ if (draw->visual == NULL)
+ {
+ 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);
+}
+
+_X_EXPORT 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 = NULL;
+ }
+}
+
+_X_EXPORT Display *
+XftDrawDisplay (XftDraw *draw)
+{
+ return draw->dpy;
+}
+
+_X_EXPORT Drawable
+XftDrawDrawable (XftDraw *draw)
+{
+ return draw->drawable;
+}
+
+_X_EXPORT Colormap
+XftDrawColormap (XftDraw *draw)
+{
+ return draw->colormap;
+}
+
+_X_EXPORT Visual *
+XftDrawVisual (XftDraw *draw)
+{
+ return draw->visual;
+}
+
+_X_EXPORT 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);
+}
+
+_X_EXPORT Picture
+XftDrawSrcPicture (XftDraw *draw, _Xconst XftColor *color)
+{
+ Display *dpy = draw->dpy;
+ XftDisplayInfo *info = _XftDisplayInfoGet (dpy, True);
+ int i;
+ XftColor bitmapColor;
+
+ if (!info || !info->solidFormat)
+ 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;
+}
+
+_X_EXPORT Picture
+XftDrawPicture (XftDraw *draw)
+{
+ if (!_XftDrawRenderPrepare (draw))
+ return 0;
+ return draw->render.pict;
+}
+
+#define NUM_LOCAL 1024
+
+_X_EXPORT 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);
+ }
+}
+
+_X_EXPORT 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);
+}
+
+_X_EXPORT 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);
+}
+
+_X_EXPORT 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);
+}
+
+_X_EXPORT 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);
+}
+
+_X_EXPORT 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);
+}
+
+_X_EXPORT 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);
+ }
+}
+
+_X_EXPORT 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);
+ }
+ }
+}
+
+_X_EXPORT 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);
+}
+
+_X_EXPORT 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);
+}
+
+_X_EXPORT 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))
+ {
+ /* note: not XftRectCore() */
+ XSetForeground (draw->dpy, draw->core.gc, color->pixel);
+ XFillRectangle (draw->dpy, draw->drawable, draw->core.gc,
+ x, y, width, height);
+ }
+}
+
+_X_EXPORT Bool
+XftDrawSetClip (XftDraw *draw,
+ Region r)
+{
+ Region n = NULL;
+
+ /*
+ * 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;
+}
+
+_X_EXPORT Bool
+XftDrawSetClipRectangles (XftDraw *draw,
+ int xOrigin,
+ int yOrigin,
+ _Xconst XRectangle *rects,
+ int n)
+{
+ XftClipRect *new = NULL;
+
+ /*
+ * 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;
+}
+
+_X_EXPORT 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);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 06:51:10 +0000