697 lines
19 KiB
C
697 lines
19 KiB
C
/*
|
|
*
|
|
* 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 "xsha1.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 GlyphHashRec globalGlyphs[GlyphFormatNum];
|
|
|
|
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) {
|
|
if (GetGlyphPicture(glyph, pScreen)) {
|
|
FreePicture((pointer) GetGlyphPicture(glyph, pScreen), 0);
|
|
SetGlyphPicture(glyph, pScreen, NULL);
|
|
}
|
|
(*ps->UnrealizeGlyph) (pScreen, 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])
|
|
{
|
|
void *ctx = x_sha1_init();
|
|
int success;
|
|
|
|
if (!ctx)
|
|
return BadAlloc;
|
|
|
|
success = x_sha1_update(ctx, gi, sizeof(xGlyphInfo));
|
|
if (!success)
|
|
return BadAlloc;
|
|
success = x_sha1_update(ctx, bits, size);
|
|
if (!success)
|
|
return BadAlloc;
|
|
success = x_sha1_final(ctx, sha1);
|
|
if (!success)
|
|
return BadAlloc;
|
|
return Success;
|
|
}
|
|
|
|
GlyphPtr
|
|
FindGlyphByHash(unsigned char sha1[20], int format)
|
|
{
|
|
GlyphRefPtr gr;
|
|
CARD32 signature = *(CARD32 *) sha1;
|
|
|
|
if (!globalGlyphs[format].hashSet)
|
|
return NULL;
|
|
|
|
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
|
|
|
|
static void
|
|
FreeGlyphPicture(GlyphPtr glyph)
|
|
{
|
|
PictureScreenPtr ps;
|
|
int i;
|
|
|
|
for (i = 0; i < screenInfo.numScreens; i++) {
|
|
ScreenPtr pScreen = screenInfo.screens[i];
|
|
|
|
if (GetGlyphPicture(glyph, pScreen))
|
|
FreePicture((pointer) GetGlyphPicture(glyph, pScreen), 0);
|
|
|
|
ps = GetPictureScreenIfSet(pScreen);
|
|
if (ps)
|
|
(*ps->UnrealizeGlyph) (pScreen, glyph);
|
|
}
|
|
}
|
|
|
|
void
|
|
FreeGlyph(GlyphPtr glyph, int format)
|
|
{
|
|
CheckDuplicates(&globalGlyphs[format], "FreeGlyph");
|
|
if (--glyph->refcnt == 0) {
|
|
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--;
|
|
}
|
|
|
|
FreeGlyphPicture(glyph);
|
|
dixFreeObjectWithPrivates(glyph, PRIVATE_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) {
|
|
FreeGlyphPicture(glyph);
|
|
dixFreeObjectWithPrivates(glyph, PRIVATE_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;
|
|
int head_size;
|
|
|
|
head_size = sizeof(GlyphRec) + screenInfo.numScreens * sizeof(PicturePtr);
|
|
size = (head_size + dixPrivatesSize(PRIVATE_GLYPH));
|
|
glyph = (GlyphPtr) malloc(size);
|
|
if (!glyph)
|
|
return 0;
|
|
glyph->refcnt = 0;
|
|
glyph->size = size + sizeof(xGlyphInfo);
|
|
glyph->info = *gi;
|
|
dixInitPrivates(glyph, (char *) glyph + head_size, PRIVATE_GLYPH);
|
|
|
|
for (i = 0; i < screenInfo.numScreens; i++) {
|
|
ScreenPtr pScreen = screenInfo.screens[i];
|
|
SetGlyphPicture(glyph, pScreen, NULL);
|
|
ps = GetPictureScreenIfSet(pScreen);
|
|
|
|
if (ps) {
|
|
if (!(*ps->RealizeGlyph) (pScreen, glyph))
|
|
goto bail;
|
|
}
|
|
}
|
|
|
|
return glyph;
|
|
|
|
bail:
|
|
while (i--) {
|
|
ps = GetPictureScreenIfSet(screenInfo.screens[i]);
|
|
if (ps)
|
|
(*ps->UnrealizeGlyph) (screenInfo.screens[i], glyph);
|
|
}
|
|
|
|
dixFreeObjectWithPrivates(glyph, PRIVATE_GLYPH);
|
|
return 0;
|
|
}
|
|
|
|
Bool
|
|
AllocateGlyphHash(GlyphHashPtr hash, GlyphHashSetPtr hashSet)
|
|
{
|
|
hash->table = calloc(hashSet->size, sizeof(GlyphRefRec));
|
|
if (!hash->table)
|
|
return FALSE;
|
|
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;
|
|
}
|
|
}
|
|
free(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;
|
|
|
|
if (!globalGlyphs[fdepth].hashSet) {
|
|
if (!AllocateGlyphHash(&globalGlyphs[fdepth], &glyphHashSets[0]))
|
|
return FALSE;
|
|
}
|
|
|
|
glyphSet = dixAllocateObjectWithPrivates(GlyphSetRec, PRIVATE_GLYPHSET);
|
|
if (!glyphSet)
|
|
return FALSE;
|
|
|
|
if (!AllocateGlyphHash(&glyphSet->hash, &glyphHashSets[0])) {
|
|
free(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) {
|
|
free(globalGlyphs[glyphSet->fdepth].table);
|
|
globalGlyphs[glyphSet->fdepth].table = 0;
|
|
globalGlyphs[glyphSet->fdepth].hashSet = 0;
|
|
}
|
|
else
|
|
ResizeGlyphHash(&globalGlyphs[glyphSet->fdepth], 0, TRUE);
|
|
free(table);
|
|
dixFreeObjectWithPrivates(glyphSet, PRIVATE_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)
|
|
|
|
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)
|
|
{
|
|
}
|
|
|
|
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 = GetGlyphPicture(glyph, pScreen);
|
|
|
|
if (pPicture) {
|
|
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);
|
|
}
|
|
}
|
|
|
|
PicturePtr GetGlyphPicture(GlyphPtr glyph, ScreenPtr pScreen)
|
|
{
|
|
if (pScreen->isGPU)
|
|
return NULL;
|
|
return GlyphPicture(glyph)[pScreen->myNum];
|
|
}
|
|
|
|
void SetGlyphPicture(GlyphPtr glyph, ScreenPtr pScreen, PicturePtr picture)
|
|
{
|
|
GlyphPicture(glyph)[pScreen->myNum] = picture;
|
|
}
|