aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/render/glyph.c
diff options
context:
space:
mode:
Diffstat (limited to 'xorg-server/render/glyph.c')
-rw-r--r--xorg-server/render/glyph.c770
1 files changed, 770 insertions, 0 deletions
diff --git a/xorg-server/render/glyph.c b/xorg-server/render/glyph.c
new file mode 100644
index 000000000..286e39d63
--- /dev/null
+++ b/xorg-server/render/glyph.c
@@ -0,0 +1,770 @@
+/*
+ *
+ * Copyright © 2000 SuSE, Inc.
+ *
+ * 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 SuSE not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. SuSE makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
+ * 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.
+ *
+ * Author: Keith Packard, SuSE, Inc.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <stddef.h> /* buggy openssl/sha.h wants size_t */
+#include <openssl/sha.h>
+
+#include "misc.h"
+#include "scrnintstr.h"
+#include "os.h"
+#include "regionstr.h"
+#include "validate.h"
+#include "windowstr.h"
+#include "input.h"
+#include "resource.h"
+#include "colormapst.h"
+#include "cursorstr.h"
+#include "dixstruct.h"
+#include "gcstruct.h"
+#include "servermd.h"
+#include "picturestr.h"
+#include "glyphstr.h"
+#include "mipict.h"
+
+/*
+ * From Knuth -- a good choice for hash/rehash values is p, p-2 where
+ * p and p-2 are both prime. These tables are sized to have an extra 10%
+ * free to avoid exponential performance degradation as the hash table fills
+ */
+static GlyphHashSetRec glyphHashSets[] = {
+ { 32, 43, 41 },
+ { 64, 73, 71 },
+ { 128, 151, 149 },
+ { 256, 283, 281 },
+ { 512, 571, 569 },
+ { 1024, 1153, 1151 },
+ { 2048, 2269, 2267 },
+ { 4096, 4519, 4517 },
+ { 8192, 9013, 9011 },
+ { 16384, 18043, 18041 },
+ { 32768, 36109, 36107 },
+ { 65536, 72091, 72089 },
+ { 131072, 144409, 144407 },
+ { 262144, 288361, 288359 },
+ { 524288, 576883, 576881 },
+ { 1048576, 1153459, 1153457 },
+ { 2097152, 2307163, 2307161 },
+ { 4194304, 4613893, 4613891 },
+ { 8388608, 9227641, 9227639 },
+ { 16777216, 18455029, 18455027 },
+ { 33554432, 36911011, 36911009 },
+ { 67108864, 73819861, 73819859 },
+ { 134217728, 147639589, 147639587 },
+ { 268435456, 295279081, 295279079 },
+ { 536870912, 590559793, 590559791 }
+};
+
+#define NGLYPHHASHSETS (sizeof(glyphHashSets)/sizeof(glyphHashSets[0]))
+
+static const CARD8 glyphDepths[GlyphFormatNum] = { 1, 4, 8, 16, 32 };
+
+static GlyphHashRec globalGlyphs[GlyphFormatNum];
+
+static void
+FreeGlyphPrivates (GlyphPtr glyph)
+{
+ ScreenPtr pScreen;
+ int i;
+
+ for (i = 0; i < screenInfo.numScreens; i++) {
+ pScreen = screenInfo.screens[i];
+ dixFreePrivates(*GetGlyphPrivatesForScreen(glyph, pScreen));
+ }
+
+ dixFreePrivates(glyph->devPrivates);
+ glyph->devPrivates = NULL;
+}
+
+void
+GlyphUninit (ScreenPtr pScreen)
+{
+ PictureScreenPtr ps = GetPictureScreen (pScreen);
+ GlyphPtr glyph;
+ int fdepth, i;
+
+ for (fdepth = 0; fdepth < GlyphFormatNum; fdepth++)
+ {
+ if (!globalGlyphs[fdepth].hashSet)
+ continue;
+
+ for (i = 0; i < globalGlyphs[fdepth].hashSet->size; i++)
+ {
+ glyph = globalGlyphs[fdepth].table[i].glyph;
+ if (glyph && glyph != DeletedGlyph)
+ {
+ (*ps->UnrealizeGlyph) (pScreen, glyph);
+ FreeGlyphPrivates(glyph);
+ }
+ }
+ }
+
+ for (fdepth = 0; fdepth < GlyphFormatNum; fdepth++)
+ {
+ if (!globalGlyphs[fdepth].hashSet)
+ continue;
+
+ for (i = 0; i < globalGlyphs[fdepth].hashSet->size; i++)
+ glyph = globalGlyphs[fdepth].table[i].glyph;
+ }
+}
+
+GlyphHashSetPtr
+FindGlyphHashSet (CARD32 filled)
+{
+ int i;
+
+ for (i = 0; i < NGLYPHHASHSETS; i++)
+ if (glyphHashSets[i].entries >= filled)
+ return &glyphHashSets[i];
+ return 0;
+}
+
+GlyphRefPtr
+FindGlyphRef (GlyphHashPtr hash,
+ CARD32 signature,
+ Bool match,
+ unsigned char sha1[20])
+{
+ CARD32 elt, step, s;
+ GlyphPtr glyph;
+ GlyphRefPtr table, gr, del;
+ CARD32 tableSize = hash->hashSet->size;
+
+ table = hash->table;
+ elt = signature % tableSize;
+ step = 0;
+ del = 0;
+ for (;;)
+ {
+ gr = &table[elt];
+ s = gr->signature;
+ glyph = gr->glyph;
+ if (!glyph)
+ {
+ if (del)
+ gr = del;
+ break;
+ }
+ if (glyph == DeletedGlyph)
+ {
+ if (!del)
+ del = gr;
+ else if (gr == del)
+ break;
+ }
+ else if (s == signature &&
+ (!match ||
+ memcmp (glyph->sha1, sha1, 20) == 0))
+ {
+ break;
+ }
+ if (!step)
+ {
+ step = signature % hash->hashSet->rehash;
+ if (!step)
+ step = 1;
+ }
+ elt += step;
+ if (elt >= tableSize)
+ elt -= tableSize;
+ }
+ return gr;
+}
+
+int
+HashGlyph (xGlyphInfo *gi,
+ CARD8 *bits,
+ unsigned long size,
+ unsigned char sha1[20])
+{
+ SHA_CTX ctx;
+ int success;
+
+ success = SHA1_Init (&ctx);
+ if (! success)
+ return BadAlloc;
+
+ success = SHA1_Update (&ctx, gi, sizeof (xGlyphInfo));
+ if (! success)
+ return BadAlloc;
+
+ success = SHA1_Update (&ctx, bits, size);
+ if (! success)
+ return BadAlloc;
+
+ success = SHA1_Final (sha1, &ctx);
+ if (! success)
+ return BadAlloc;
+
+ return Success;
+}
+
+GlyphPtr
+FindGlyphByHash (unsigned char sha1[20], int format)
+{
+ GlyphRefPtr gr;
+ CARD32 signature = *(CARD32 *) sha1;
+
+ gr = FindGlyphRef (&globalGlyphs[format],
+ signature, TRUE, sha1);
+
+ if (gr->glyph && gr->glyph != DeletedGlyph)
+ return gr->glyph;
+ else
+ return NULL;
+}
+
+#ifdef CHECK_DUPLICATES
+void
+DuplicateRef (GlyphPtr glyph, char *where)
+{
+ ErrorF ("Duplicate Glyph 0x%x from %s\n", glyph, where);
+}
+
+void
+CheckDuplicates (GlyphHashPtr hash, char *where)
+{
+ GlyphPtr g;
+ int i, j;
+
+ for (i = 0; i < hash->hashSet->size; i++)
+ {
+ g = hash->table[i].glyph;
+ if (!g || g == DeletedGlyph)
+ continue;
+ for (j = i + 1; j < hash->hashSet->size; j++)
+ if (hash->table[j].glyph == g)
+ DuplicateRef (g, where);
+ }
+}
+#else
+#define CheckDuplicates(a,b)
+#define DuplicateRef(a,b)
+#endif
+
+void
+FreeGlyph (GlyphPtr glyph, int format)
+{
+ CheckDuplicates (&globalGlyphs[format], "FreeGlyph");
+ if (--glyph->refcnt == 0)
+ {
+ PictureScreenPtr ps;
+ GlyphRefPtr gr;
+ int i;
+ int first;
+ CARD32 signature;
+
+ first = -1;
+ for (i = 0; i < globalGlyphs[format].hashSet->size; i++)
+ if (globalGlyphs[format].table[i].glyph == glyph)
+ {
+ if (first != -1)
+ DuplicateRef (glyph, "FreeGlyph check");
+ first = i;
+ }
+
+ signature = *(CARD32 *) glyph->sha1;
+ gr = FindGlyphRef (&globalGlyphs[format], signature,
+ TRUE, glyph->sha1);
+ if (gr - globalGlyphs[format].table != first)
+ DuplicateRef (glyph, "Found wrong one");
+ if (gr->glyph && gr->glyph != DeletedGlyph)
+ {
+ gr->glyph = DeletedGlyph;
+ gr->signature = 0;
+ globalGlyphs[format].tableEntries--;
+ }
+
+ for (i = 0; i < screenInfo.numScreens; i++)
+ {
+ ScreenPtr pScreen = screenInfo.screens[i];
+
+ FreePicture ((pointer) GlyphPicture (glyph)[i], 0);
+
+ ps = GetPictureScreenIfSet (pScreen);
+ if (ps)
+ (*ps->UnrealizeGlyph) (pScreen, glyph);
+ }
+
+ FreeGlyphPrivates(glyph);
+ xfree (glyph);
+ }
+}
+
+void
+AddGlyph (GlyphSetPtr glyphSet, GlyphPtr glyph, Glyph id)
+{
+ GlyphRefPtr gr;
+ CARD32 signature;
+
+ CheckDuplicates (&globalGlyphs[glyphSet->fdepth], "AddGlyph top global");
+ /* Locate existing matching glyph */
+ signature = *(CARD32 *) glyph->sha1;
+ gr = FindGlyphRef (&globalGlyphs[glyphSet->fdepth], signature,
+ TRUE, glyph->sha1);
+ if (gr->glyph && gr->glyph != DeletedGlyph && gr->glyph != glyph)
+ {
+ PictureScreenPtr ps;
+ int i;
+
+ for (i = 0; i < screenInfo.numScreens; i++)
+ {
+ ps = GetPictureScreenIfSet (screenInfo.screens[i]);
+ if (ps)
+ (*ps->UnrealizeGlyph) (screenInfo.screens[i], glyph);
+ }
+ FreeGlyphPrivates(glyph);
+ xfree (glyph);
+ glyph = gr->glyph;
+ }
+ else if (gr->glyph != glyph)
+ {
+ gr->glyph = glyph;
+ gr->signature = signature;
+ globalGlyphs[glyphSet->fdepth].tableEntries++;
+ }
+
+ /* Insert/replace glyphset value */
+ gr = FindGlyphRef (&glyphSet->hash, id, FALSE, 0);
+ ++glyph->refcnt;
+ if (gr->glyph && gr->glyph != DeletedGlyph)
+ FreeGlyph (gr->glyph, glyphSet->fdepth);
+ else
+ glyphSet->hash.tableEntries++;
+ gr->glyph = glyph;
+ gr->signature = id;
+ CheckDuplicates (&globalGlyphs[glyphSet->fdepth], "AddGlyph bottom");
+}
+
+Bool
+DeleteGlyph (GlyphSetPtr glyphSet, Glyph id)
+{
+ GlyphRefPtr gr;
+ GlyphPtr glyph;
+
+ gr = FindGlyphRef (&glyphSet->hash, id, FALSE, 0);
+ glyph = gr->glyph;
+ if (glyph && glyph != DeletedGlyph)
+ {
+ gr->glyph = DeletedGlyph;
+ glyphSet->hash.tableEntries--;
+ FreeGlyph (glyph, glyphSet->fdepth);
+ return TRUE;
+ }
+ return FALSE;
+}
+
+GlyphPtr
+FindGlyph (GlyphSetPtr glyphSet, Glyph id)
+{
+ GlyphPtr glyph;
+
+ glyph = FindGlyphRef (&glyphSet->hash, id, FALSE, 0)->glyph;
+ if (glyph == DeletedGlyph)
+ glyph = 0;
+ return glyph;
+}
+
+GlyphPtr
+AllocateGlyph (xGlyphInfo *gi, int fdepth)
+{
+ PictureScreenPtr ps;
+ int size;
+ GlyphPtr glyph;
+ int i;
+
+ size = screenInfo.numScreens * sizeof (PicturePtr);
+ glyph = (GlyphPtr) xalloc (size + sizeof (GlyphRec));
+ if (!glyph)
+ return 0;
+ glyph->refcnt = 0;
+ glyph->size = size + sizeof (xGlyphInfo);
+ glyph->info = *gi;
+ glyph->devPrivates = NULL;
+
+ for (i = 0; i < screenInfo.numScreens; i++)
+ {
+ ps = GetPictureScreenIfSet (screenInfo.screens[i]);
+
+ if (ps)
+ {
+ if (!(*ps->RealizeGlyph) (screenInfo.screens[i], glyph))
+ goto bail;
+ }
+ }
+
+ return glyph;
+
+bail:
+ while (i--)
+ {
+ ps = GetPictureScreenIfSet (screenInfo.screens[i]);
+ if (ps)
+ (*ps->UnrealizeGlyph) (screenInfo.screens[i], glyph);
+ }
+
+ FreeGlyphPrivates(glyph);
+ xfree (glyph);
+ return 0;
+}
+
+Bool
+AllocateGlyphHash (GlyphHashPtr hash, GlyphHashSetPtr hashSet)
+{
+ hash->table = (GlyphRefPtr) xalloc (hashSet->size * sizeof (GlyphRefRec));
+ if (!hash->table)
+ return FALSE;
+ memset (hash->table, 0, hashSet->size * sizeof (GlyphRefRec));
+ hash->hashSet = hashSet;
+ hash->tableEntries = 0;
+ return TRUE;
+}
+
+Bool
+ResizeGlyphHash (GlyphHashPtr hash, CARD32 change, Bool global)
+{
+ CARD32 tableEntries;
+ GlyphHashSetPtr hashSet;
+ GlyphHashRec newHash;
+ GlyphRefPtr gr;
+ GlyphPtr glyph;
+ int i;
+ int oldSize;
+ CARD32 s;
+
+ tableEntries = hash->tableEntries + change;
+ hashSet = FindGlyphHashSet (tableEntries);
+ if (hashSet == hash->hashSet)
+ return TRUE;
+ if (global)
+ CheckDuplicates (hash, "ResizeGlyphHash top");
+ if (!AllocateGlyphHash (&newHash, hashSet))
+ return FALSE;
+ if (hash->table)
+ {
+ oldSize = hash->hashSet->size;
+ for (i = 0; i < oldSize; i++)
+ {
+ glyph = hash->table[i].glyph;
+ if (glyph && glyph != DeletedGlyph)
+ {
+ s = hash->table[i].signature;
+ gr = FindGlyphRef (&newHash, s, global, glyph->sha1);
+ gr->signature = s;
+ gr->glyph = glyph;
+ ++newHash.tableEntries;
+ }
+ }
+ xfree (hash->table);
+ }
+ *hash = newHash;
+ if (global)
+ CheckDuplicates (hash, "ResizeGlyphHash bottom");
+ return TRUE;
+}
+
+Bool
+ResizeGlyphSet (GlyphSetPtr glyphSet, CARD32 change)
+{
+ return (ResizeGlyphHash (&glyphSet->hash, change, FALSE) &&
+ ResizeGlyphHash (&globalGlyphs[glyphSet->fdepth], change, TRUE));
+}
+
+GlyphSetPtr
+AllocateGlyphSet (int fdepth, PictFormatPtr format)
+{
+ GlyphSetPtr glyphSet;
+ int size;
+
+ if (!globalGlyphs[fdepth].hashSet)
+ {
+ if (!AllocateGlyphHash (&globalGlyphs[fdepth], &glyphHashSets[0]))
+ return FALSE;
+ }
+
+ size = sizeof (GlyphSetRec);
+ glyphSet = xalloc (size);
+ if (!glyphSet)
+ return FALSE;
+ bzero((char *)glyphSet, size);
+
+ if (!AllocateGlyphHash (&glyphSet->hash, &glyphHashSets[0]))
+ {
+ xfree (glyphSet);
+ return FALSE;
+ }
+ glyphSet->refcnt = 1;
+ glyphSet->fdepth = fdepth;
+ glyphSet->format = format;
+ return glyphSet;
+}
+
+int
+FreeGlyphSet (pointer value,
+ XID gid)
+{
+ GlyphSetPtr glyphSet = (GlyphSetPtr) value;
+
+ if (--glyphSet->refcnt == 0)
+ {
+ CARD32 i, tableSize = glyphSet->hash.hashSet->size;
+ GlyphRefPtr table = glyphSet->hash.table;
+ GlyphPtr glyph;
+
+ for (i = 0; i < tableSize; i++)
+ {
+ glyph = table[i].glyph;
+ if (glyph && glyph != DeletedGlyph)
+ FreeGlyph (glyph, glyphSet->fdepth);
+ }
+ if (!globalGlyphs[glyphSet->fdepth].tableEntries)
+ {
+ xfree (globalGlyphs[glyphSet->fdepth].table);
+ globalGlyphs[glyphSet->fdepth].table = 0;
+ globalGlyphs[glyphSet->fdepth].hashSet = 0;
+ }
+ else
+ ResizeGlyphHash (&globalGlyphs[glyphSet->fdepth], 0, TRUE);
+ xfree (table);
+ dixFreePrivates(glyphSet->devPrivates);
+ xfree (glyphSet);
+ }
+ return Success;
+}
+
+static void
+GlyphExtents (int nlist,
+ GlyphListPtr list,
+ GlyphPtr *glyphs,
+ BoxPtr extents)
+{
+ int x1, x2, y1, y2;
+ int n;
+ GlyphPtr glyph;
+ int x, y;
+
+ x = 0;
+ y = 0;
+ extents->x1 = MAXSHORT;
+ extents->x2 = MINSHORT;
+ extents->y1 = MAXSHORT;
+ extents->y2 = MINSHORT;
+ while (nlist--)
+ {
+ x += list->xOff;
+ y += list->yOff;
+ n = list->len;
+ list++;
+ while (n--)
+ {
+ glyph = *glyphs++;
+ x1 = x - glyph->info.x;
+ if (x1 < MINSHORT)
+ x1 = MINSHORT;
+ y1 = y - glyph->info.y;
+ if (y1 < MINSHORT)
+ y1 = MINSHORT;
+ x2 = x1 + glyph->info.width;
+ if (x2 > MAXSHORT)
+ x2 = MAXSHORT;
+ y2 = y1 + glyph->info.height;
+ if (y2 > MAXSHORT)
+ y2 = MAXSHORT;
+ if (x1 < extents->x1)
+ extents->x1 = x1;
+ if (x2 > extents->x2)
+ extents->x2 = x2;
+ if (y1 < extents->y1)
+ extents->y1 = y1;
+ if (y2 > extents->y2)
+ extents->y2 = y2;
+ x += glyph->info.xOff;
+ y += glyph->info.yOff;
+ }
+ }
+}
+
+#define NeedsComponent(f) (PICT_FORMAT_A(f) != 0 && PICT_FORMAT_RGB(f) != 0)
+
+_X_EXPORT void
+CompositeGlyphs (CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pDst,
+ PictFormatPtr maskFormat,
+ INT16 xSrc,
+ INT16 ySrc,
+ int nlist,
+ GlyphListPtr lists,
+ GlyphPtr *glyphs)
+{
+ PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen);
+
+ ValidatePicture (pSrc);
+ ValidatePicture (pDst);
+ (*ps->Glyphs) (op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, lists, glyphs);
+}
+
+Bool
+miRealizeGlyph (ScreenPtr pScreen,
+ GlyphPtr glyph)
+{
+ return TRUE;
+}
+
+void
+miUnrealizeGlyph (ScreenPtr pScreen,
+ GlyphPtr glyph)
+{
+}
+
+_X_EXPORT void
+miGlyphs (CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pDst,
+ PictFormatPtr maskFormat,
+ INT16 xSrc,
+ INT16 ySrc,
+ int nlist,
+ GlyphListPtr list,
+ GlyphPtr *glyphs)
+{
+ PicturePtr pPicture;
+ PixmapPtr pMaskPixmap = 0;
+ PicturePtr pMask;
+ ScreenPtr pScreen = pDst->pDrawable->pScreen;
+ int width = 0, height = 0;
+ int x, y;
+ int xDst = list->xOff, yDst = list->yOff;
+ int n;
+ GlyphPtr glyph;
+ int error;
+ BoxRec extents = {0, 0, 0, 0};
+ CARD32 component_alpha;
+
+ if (maskFormat)
+ {
+ GCPtr pGC;
+ xRectangle rect;
+
+ GlyphExtents (nlist, list, glyphs, &extents);
+
+ if (extents.x2 <= extents.x1 || extents.y2 <= extents.y1)
+ return;
+ width = extents.x2 - extents.x1;
+ height = extents.y2 - extents.y1;
+ pMaskPixmap = (*pScreen->CreatePixmap) (pScreen, width, height,
+ maskFormat->depth,
+ CREATE_PIXMAP_USAGE_SCRATCH);
+ if (!pMaskPixmap)
+ return;
+ component_alpha = NeedsComponent(maskFormat->format);
+ pMask = CreatePicture (0, &pMaskPixmap->drawable,
+ maskFormat, CPComponentAlpha, &component_alpha,
+ serverClient, &error);
+ if (!pMask)
+ {
+ (*pScreen->DestroyPixmap) (pMaskPixmap);
+ return;
+ }
+ pGC = GetScratchGC (pMaskPixmap->drawable.depth, pScreen);
+ ValidateGC (&pMaskPixmap->drawable, pGC);
+ rect.x = 0;
+ rect.y = 0;
+ rect.width = width;
+ rect.height = height;
+ (*pGC->ops->PolyFillRect) (&pMaskPixmap->drawable, pGC, 1, &rect);
+ FreeScratchGC (pGC);
+ x = -extents.x1;
+ y = -extents.y1;
+ }
+ else
+ {
+ pMask = pDst;
+ x = 0;
+ y = 0;
+ }
+ while (nlist--)
+ {
+ x += list->xOff;
+ y += list->yOff;
+ n = list->len;
+ while (n--)
+ {
+ glyph = *glyphs++;
+ pPicture = GlyphPicture (glyph)[pScreen->myNum];
+
+ if (maskFormat)
+ {
+ CompositePicture (PictOpAdd,
+ pPicture,
+ None,
+ pMask,
+ 0, 0,
+ 0, 0,
+ x - glyph->info.x,
+ y - glyph->info.y,
+ glyph->info.width,
+ glyph->info.height);
+ }
+ else
+ {
+ CompositePicture (op,
+ pSrc,
+ pPicture,
+ pDst,
+ xSrc + (x - glyph->info.x) - xDst,
+ ySrc + (y - glyph->info.y) - yDst,
+ 0, 0,
+ x - glyph->info.x,
+ y - glyph->info.y,
+ glyph->info.width,
+ glyph->info.height);
+ }
+
+ x += glyph->info.xOff;
+ y += glyph->info.yOff;
+ }
+ list++;
+ }
+ if (maskFormat)
+ {
+ x = extents.x1;
+ y = extents.y1;
+ CompositePicture (op,
+ pSrc,
+ pMask,
+ pDst,
+ xSrc + x - xDst,
+ ySrc + y - yDst,
+ 0, 0,
+ x, y,
+ width, height);
+ FreePicture ((pointer) pMask, (XID) 0);
+ (*pScreen->DestroyPixmap) (pMaskPixmap);
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 18:54:51 +0000