d6cbd4511e
This is the biggest "visibility" patch. Instead of doing a "export" symbol on demand, export everything in the sdk, so that if some module fails due to an unresolved symbol, it is because it is using a symbol not in the sdk. Most exported symbols shouldn't really be made visible, neither advertised in the sdk, as they are only used by a single shared object. Symbols in the sdk (or referenced in sdk macros), but not defined anywhere include: XkbBuildCoreState() XkbInitialMap XkbXIUnsupported XkbCheckActionVMods() XkbSendCompatNotify() XkbDDXFakePointerButton() XkbDDXApplyConfig() _XkbStrCaseCmp() _XkbErrMessages[] _XkbErrCode _XkbErrLocation _XkbErrData XkbAccessXDetailText() XkbNKNDetailMaskText() XkbLookupGroupAndLevel() XkbInitAtoms() XkbGetOrderedDrawables() XkbFreeOrderedDrawables() XkbConvertXkbComponents() XkbWriteXKBSemantics() XkbWriteXKBLayout() XkbWriteXKBKeymap() XkbWriteXKBFile() XkbWriteCFile() XkbWriteXKMFile() XkbWriteToServer() XkbMergeFile() XkmFindTOCEntry() XkmReadFileSection() XkmReadFileSectionName() InitExtInput() xf86CheckButton() xf86SwitchCoreDevice() RamDacSetGamma() RamDacRestoreDACValues() xf86Bpp xf86ConfigPix24 xf86MouseCflags[] xf86SupportedMouseTypes[] xf86NumMouseTypes xf86ChangeBusIndex() xf86EntityEnter() xf86EntityLeave() xf86WrapperInit() xf86RingBell() xf86findOptionBoolean() xf86debugListOptions() LoadSubModuleLocal() LoaderSymbolLocal() getInt10Rec() xf86CurrentScreen xf86ReallocatePciResources() xf86NewSerialNumber() xf86RandRSetInitialMode() fbCompositeSolidMask_nx1xn fbCompositeSolidMask_nx8888x0565C fbCompositeSolidMask_nx8888x8888C fbCompositeSolidMask_nx8x0565 fbCompositeSolidMask_nx8x0888 fbCompositeSolidMask_nx8x8888 fbCompositeSrc_0565x0565 fbCompositeSrc_8888x0565 fbCompositeSrc_8888x0888 fbCompositeSrc_8888x8888 fbCompositeSrcAdd_1000x1000 fbCompositeSrcAdd_8000x8000 fbCompositeSrcAdd_8888x8888 fbGeneration fbIn fbOver fbOver24 fbOverlayGeneration fbRasterizeEdges fbRestoreAreas fbSaveAreas composeFunctions VBEBuildVbeModeList() VBECalcVbeModeIndex() TIramdac3030CalculateMNPForClock() shadowBufPtr shadowFindBuf() miRRGetScreenInfo() RRSetScreenConfig() RRModePruneUnused() PixmanImageFromPicture() extern int miPointerGetMotionEvents() miClipPicture() miRasterizeTriangle() fbPush1toN() fbInitializeBackingStore() ddxBeforeReset() SetupSprite() InitSprite() DGADeliverEvent() SPECIAL CASES o defined as _X_INTERNAL xf86NewInputDevice() o defined as static fbGCPrivateKey fbOverlayScreenPrivateKey fbScreenPrivateKey fbWinPrivateKey o defined in libXfont.so, but declared in xorg/dixfont.h GetGlyphs() QueryGlyphExtents() QueryTextExtents() ParseGlyphCachingMode() InitGlyphCaching() SetGlyphCachingMode()
774 lines
17 KiB
C
774 lines
17 KiB
C
/*
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*
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* Copyright © 2000 SuSE, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of SuSE not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. SuSE makes no representations about the
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* suitability of this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*
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* SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
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* BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: Keith Packard, SuSE, Inc.
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#ifdef HAVE_SHA1_IN_LIBMD /* Use libmd for SHA1 */
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# include <sha1.h>
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#else /* Use OpenSSL's libcrypto */
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# include <stddef.h> /* buggy openssl/sha.h wants size_t */
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# include <openssl/sha.h>
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#endif
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#include "misc.h"
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#include "scrnintstr.h"
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#include "os.h"
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#include "regionstr.h"
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#include "validate.h"
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#include "windowstr.h"
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#include "input.h"
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#include "resource.h"
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#include "colormapst.h"
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#include "cursorstr.h"
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#include "dixstruct.h"
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#include "gcstruct.h"
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#include "servermd.h"
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#include "picturestr.h"
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#include "glyphstr.h"
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#include "mipict.h"
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/*
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* From Knuth -- a good choice for hash/rehash values is p, p-2 where
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* p and p-2 are both prime. These tables are sized to have an extra 10%
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* free to avoid exponential performance degradation as the hash table fills
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*/
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static GlyphHashSetRec glyphHashSets[] = {
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{ 32, 43, 41 },
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{ 64, 73, 71 },
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{ 128, 151, 149 },
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{ 256, 283, 281 },
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{ 512, 571, 569 },
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{ 1024, 1153, 1151 },
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{ 2048, 2269, 2267 },
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{ 4096, 4519, 4517 },
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{ 8192, 9013, 9011 },
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{ 16384, 18043, 18041 },
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{ 32768, 36109, 36107 },
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{ 65536, 72091, 72089 },
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{ 131072, 144409, 144407 },
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{ 262144, 288361, 288359 },
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{ 524288, 576883, 576881 },
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{ 1048576, 1153459, 1153457 },
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{ 2097152, 2307163, 2307161 },
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{ 4194304, 4613893, 4613891 },
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{ 8388608, 9227641, 9227639 },
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{ 16777216, 18455029, 18455027 },
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{ 33554432, 36911011, 36911009 },
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{ 67108864, 73819861, 73819859 },
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{ 134217728, 147639589, 147639587 },
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{ 268435456, 295279081, 295279079 },
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{ 536870912, 590559793, 590559791 }
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};
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#define NGLYPHHASHSETS (sizeof(glyphHashSets)/sizeof(glyphHashSets[0]))
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static const CARD8 glyphDepths[GlyphFormatNum] = { 1, 4, 8, 16, 32 };
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static GlyphHashRec globalGlyphs[GlyphFormatNum];
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static void
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FreeGlyphPrivates (GlyphPtr glyph)
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{
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dixFreePrivates(glyph->devPrivates);
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glyph->devPrivates = NULL;
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}
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_X_EXPORT void
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GlyphUninit (ScreenPtr pScreen)
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{
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PictureScreenPtr ps = GetPictureScreen (pScreen);
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GlyphPtr glyph;
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int fdepth, i;
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for (fdepth = 0; fdepth < GlyphFormatNum; fdepth++)
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{
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if (!globalGlyphs[fdepth].hashSet)
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continue;
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for (i = 0; i < globalGlyphs[fdepth].hashSet->size; i++)
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{
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glyph = globalGlyphs[fdepth].table[i].glyph;
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if (glyph && glyph != DeletedGlyph)
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{
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(*ps->UnrealizeGlyph) (pScreen, glyph);
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FreeGlyphPrivates(glyph);
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}
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}
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}
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for (fdepth = 0; fdepth < GlyphFormatNum; fdepth++)
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{
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if (!globalGlyphs[fdepth].hashSet)
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continue;
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for (i = 0; i < globalGlyphs[fdepth].hashSet->size; i++)
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glyph = globalGlyphs[fdepth].table[i].glyph;
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}
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}
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_X_EXPORT GlyphHashSetPtr
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FindGlyphHashSet (CARD32 filled)
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{
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int i;
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for (i = 0; i < NGLYPHHASHSETS; i++)
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if (glyphHashSets[i].entries >= filled)
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return &glyphHashSets[i];
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return 0;
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}
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_X_EXPORT GlyphRefPtr
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FindGlyphRef (GlyphHashPtr hash,
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CARD32 signature,
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Bool match,
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unsigned char sha1[20])
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{
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CARD32 elt, step, s;
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GlyphPtr glyph;
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GlyphRefPtr table, gr, del;
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CARD32 tableSize = hash->hashSet->size;
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table = hash->table;
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elt = signature % tableSize;
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step = 0;
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del = 0;
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for (;;)
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{
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gr = &table[elt];
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s = gr->signature;
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glyph = gr->glyph;
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if (!glyph)
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{
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if (del)
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gr = del;
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break;
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}
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if (glyph == DeletedGlyph)
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{
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if (!del)
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del = gr;
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else if (gr == del)
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break;
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}
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else if (s == signature &&
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(!match ||
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memcmp (glyph->sha1, sha1, 20) == 0))
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{
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break;
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}
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if (!step)
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{
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step = signature % hash->hashSet->rehash;
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if (!step)
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step = 1;
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}
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elt += step;
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if (elt >= tableSize)
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elt -= tableSize;
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}
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return gr;
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}
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_X_EXPORT int
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HashGlyph (xGlyphInfo *gi,
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CARD8 *bits,
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unsigned long size,
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unsigned char sha1[20])
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{
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#ifdef HAVE_SHA1_IN_LIBMD /* Use libmd for SHA1 */
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SHA1_CTX ctx;
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SHA1Init (&ctx);
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SHA1Update (&ctx, gi, sizeof (xGlyphInfo));
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SHA1Update (&ctx, bits, size);
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SHA1Final (sha1, &ctx);
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#else /* Use OpenSSL's libcrypto */
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SHA_CTX ctx;
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int success;
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success = SHA1_Init (&ctx);
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if (! success)
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return BadAlloc;
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success = SHA1_Update (&ctx, gi, sizeof (xGlyphInfo));
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if (! success)
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return BadAlloc;
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success = SHA1_Update (&ctx, bits, size);
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if (! success)
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return BadAlloc;
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success = SHA1_Final (sha1, &ctx);
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if (! success)
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return BadAlloc;
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#endif
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return Success;
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}
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_X_EXPORT GlyphPtr
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FindGlyphByHash (unsigned char sha1[20], int format)
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{
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GlyphRefPtr gr;
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CARD32 signature = *(CARD32 *) sha1;
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gr = FindGlyphRef (&globalGlyphs[format],
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signature, TRUE, sha1);
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if (gr->glyph && gr->glyph != DeletedGlyph)
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return gr->glyph;
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else
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return NULL;
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}
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#ifdef CHECK_DUPLICATES
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void
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DuplicateRef (GlyphPtr glyph, char *where)
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{
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ErrorF ("Duplicate Glyph 0x%x from %s\n", glyph, where);
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}
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void
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CheckDuplicates (GlyphHashPtr hash, char *where)
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{
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GlyphPtr g;
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int i, j;
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for (i = 0; i < hash->hashSet->size; i++)
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{
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g = hash->table[i].glyph;
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if (!g || g == DeletedGlyph)
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continue;
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for (j = i + 1; j < hash->hashSet->size; j++)
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if (hash->table[j].glyph == g)
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DuplicateRef (g, where);
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}
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}
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#else
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#define CheckDuplicates(a,b)
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#define DuplicateRef(a,b)
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#endif
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_X_EXPORT void
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FreeGlyph (GlyphPtr glyph, int format)
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{
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CheckDuplicates (&globalGlyphs[format], "FreeGlyph");
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if (--glyph->refcnt == 0)
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{
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PictureScreenPtr ps;
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GlyphRefPtr gr;
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int i;
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int first;
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CARD32 signature;
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first = -1;
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for (i = 0; i < globalGlyphs[format].hashSet->size; i++)
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if (globalGlyphs[format].table[i].glyph == glyph)
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{
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if (first != -1)
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DuplicateRef (glyph, "FreeGlyph check");
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first = i;
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}
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signature = *(CARD32 *) glyph->sha1;
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gr = FindGlyphRef (&globalGlyphs[format], signature,
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TRUE, glyph->sha1);
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if (gr - globalGlyphs[format].table != first)
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DuplicateRef (glyph, "Found wrong one");
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if (gr->glyph && gr->glyph != DeletedGlyph)
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{
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gr->glyph = DeletedGlyph;
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gr->signature = 0;
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globalGlyphs[format].tableEntries--;
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}
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for (i = 0; i < screenInfo.numScreens; i++)
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{
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ScreenPtr pScreen = screenInfo.screens[i];
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FreePicture ((pointer) GlyphPicture (glyph)[i], 0);
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ps = GetPictureScreenIfSet (pScreen);
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if (ps)
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(*ps->UnrealizeGlyph) (pScreen, glyph);
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}
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FreeGlyphPrivates(glyph);
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xfree (glyph);
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}
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}
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_X_EXPORT void
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AddGlyph (GlyphSetPtr glyphSet, GlyphPtr glyph, Glyph id)
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{
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GlyphRefPtr gr;
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CARD32 signature;
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CheckDuplicates (&globalGlyphs[glyphSet->fdepth], "AddGlyph top global");
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/* Locate existing matching glyph */
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signature = *(CARD32 *) glyph->sha1;
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gr = FindGlyphRef (&globalGlyphs[glyphSet->fdepth], signature,
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TRUE, glyph->sha1);
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if (gr->glyph && gr->glyph != DeletedGlyph && gr->glyph != glyph)
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{
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PictureScreenPtr ps;
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int i;
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for (i = 0; i < screenInfo.numScreens; i++)
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{
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ps = GetPictureScreenIfSet (screenInfo.screens[i]);
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if (ps)
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(*ps->UnrealizeGlyph) (screenInfo.screens[i], glyph);
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}
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FreeGlyphPrivates(glyph);
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xfree (glyph);
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glyph = gr->glyph;
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}
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else if (gr->glyph != glyph)
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{
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gr->glyph = glyph;
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gr->signature = signature;
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globalGlyphs[glyphSet->fdepth].tableEntries++;
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}
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/* Insert/replace glyphset value */
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gr = FindGlyphRef (&glyphSet->hash, id, FALSE, 0);
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++glyph->refcnt;
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if (gr->glyph && gr->glyph != DeletedGlyph)
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FreeGlyph (gr->glyph, glyphSet->fdepth);
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else
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glyphSet->hash.tableEntries++;
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gr->glyph = glyph;
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gr->signature = id;
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CheckDuplicates (&globalGlyphs[glyphSet->fdepth], "AddGlyph bottom");
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}
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_X_EXPORT Bool
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DeleteGlyph (GlyphSetPtr glyphSet, Glyph id)
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{
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GlyphRefPtr gr;
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GlyphPtr glyph;
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gr = FindGlyphRef (&glyphSet->hash, id, FALSE, 0);
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glyph = gr->glyph;
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if (glyph && glyph != DeletedGlyph)
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{
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gr->glyph = DeletedGlyph;
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glyphSet->hash.tableEntries--;
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FreeGlyph (glyph, glyphSet->fdepth);
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return TRUE;
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}
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return FALSE;
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}
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_X_EXPORT GlyphPtr
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FindGlyph (GlyphSetPtr glyphSet, Glyph id)
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{
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GlyphPtr glyph;
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glyph = FindGlyphRef (&glyphSet->hash, id, FALSE, 0)->glyph;
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if (glyph == DeletedGlyph)
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glyph = 0;
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return glyph;
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}
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_X_EXPORT GlyphPtr
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AllocateGlyph (xGlyphInfo *gi, int fdepth)
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{
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PictureScreenPtr ps;
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int size;
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GlyphPtr glyph;
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int i;
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size = screenInfo.numScreens * sizeof (PicturePtr);
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glyph = (GlyphPtr) xalloc (size + sizeof (GlyphRec));
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if (!glyph)
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return 0;
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glyph->refcnt = 0;
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glyph->size = size + sizeof (xGlyphInfo);
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glyph->info = *gi;
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glyph->devPrivates = NULL;
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for (i = 0; i < screenInfo.numScreens; i++)
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{
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ps = GetPictureScreenIfSet (screenInfo.screens[i]);
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if (ps)
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{
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if (!(*ps->RealizeGlyph) (screenInfo.screens[i], glyph))
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goto bail;
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}
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}
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return glyph;
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bail:
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while (i--)
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{
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ps = GetPictureScreenIfSet (screenInfo.screens[i]);
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if (ps)
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(*ps->UnrealizeGlyph) (screenInfo.screens[i], glyph);
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}
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FreeGlyphPrivates(glyph);
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xfree (glyph);
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return 0;
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}
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_X_EXPORT Bool
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AllocateGlyphHash (GlyphHashPtr hash, GlyphHashSetPtr hashSet)
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{
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hash->table = xcalloc (hashSet->size, sizeof (GlyphRefRec));
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if (!hash->table)
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return FALSE;
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hash->hashSet = hashSet;
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hash->tableEntries = 0;
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return TRUE;
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}
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_X_EXPORT Bool
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ResizeGlyphHash (GlyphHashPtr hash, CARD32 change, Bool global)
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{
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CARD32 tableEntries;
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GlyphHashSetPtr hashSet;
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GlyphHashRec newHash;
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GlyphRefPtr gr;
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GlyphPtr glyph;
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int i;
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int oldSize;
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CARD32 s;
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tableEntries = hash->tableEntries + change;
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hashSet = FindGlyphHashSet (tableEntries);
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if (hashSet == hash->hashSet)
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return TRUE;
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if (global)
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CheckDuplicates (hash, "ResizeGlyphHash top");
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if (!AllocateGlyphHash (&newHash, hashSet))
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return FALSE;
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if (hash->table)
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{
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oldSize = hash->hashSet->size;
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for (i = 0; i < oldSize; i++)
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{
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glyph = hash->table[i].glyph;
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if (glyph && glyph != DeletedGlyph)
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{
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s = hash->table[i].signature;
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gr = FindGlyphRef (&newHash, s, global, glyph->sha1);
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gr->signature = s;
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gr->glyph = glyph;
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++newHash.tableEntries;
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}
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}
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xfree (hash->table);
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}
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*hash = newHash;
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if (global)
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CheckDuplicates (hash, "ResizeGlyphHash bottom");
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return TRUE;
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}
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_X_EXPORT Bool
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ResizeGlyphSet (GlyphSetPtr glyphSet, CARD32 change)
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{
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return (ResizeGlyphHash (&glyphSet->hash, change, FALSE) &&
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ResizeGlyphHash (&globalGlyphs[glyphSet->fdepth], change, TRUE));
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}
|
|
|
|
_X_EXPORT 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 = xcalloc (1, size);
|
|
if (!glyphSet)
|
|
return FALSE;
|
|
|
|
if (!AllocateGlyphHash (&glyphSet->hash, &glyphHashSets[0]))
|
|
{
|
|
xfree (glyphSet);
|
|
return FALSE;
|
|
}
|
|
glyphSet->refcnt = 1;
|
|
glyphSet->fdepth = fdepth;
|
|
glyphSet->format = format;
|
|
return glyphSet;
|
|
}
|
|
|
|
_X_EXPORT 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);
|
|
}
|
|
|
|
_X_EXPORT Bool
|
|
miRealizeGlyph (ScreenPtr pScreen,
|
|
GlyphPtr glyph)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
_X_EXPORT 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);
|
|
}
|
|
}
|