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++) {
GlyphPicture(glyph)[i] = NULL;
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);
}
dixFreeObjectWithPrivates(glyph, PRIVATE_GLYPH);
return 0;
}
int
AllocGlyphCursor(Font source, unsigned sourceChar, Font mask, unsigned maskChar,
unsigned foreRed, unsigned foreGreen, unsigned foreBlue,
unsigned backRed, unsigned backGreen, unsigned backBlue,
CursorPtr *ppCurs, ClientPtr client, XID cid)
{
FontPtr sourcefont, maskfont;
unsigned char *srcbits;
unsigned char *mskbits;
CursorMetricRec cm;
int rc;
CursorBitsPtr bits;
CursorPtr pCurs;
GlyphSharePtr pShare;
rc = dixLookupResourceByType((pointer *)&sourcefont, source, RT_FONT, client,
DixUseAccess);
if (rc != Success)
{
client->errorValue = source;
return rc;
}
rc = dixLookupResourceByType((pointer *)&maskfont, mask, RT_FONT, client,
DixUseAccess);
if (rc != Success && mask != None)
{
client->errorValue = mask;
return rc;
}
if (sourcefont != maskfont)
pShare = (GlyphSharePtr)NULL;
else
{
for (pShare = sharedGlyphs;
pShare &&
((pShare->font != sourcefont) ||
(pShare->sourceChar != sourceChar) ||
(pShare->maskChar != maskChar));
pShare = pShare->next)
;
}
if (pShare)
{
pCurs = (CursorPtr)calloc(CURSOR_REC_SIZE, 1);
if (!pCurs)
return BadAlloc;
dixInitPrivates(pCurs, pCurs + 1, PRIVATE_CURSOR);
bits = pShare->bits;
bits->refcnt++;
}
else
{
if (!CursorMetricsFromGlyph(sourcefont, sourceChar, &cm))
{
client->errorValue = sourceChar;
return BadValue;
}
if (!maskfont)
{
long n;
unsigned char *mskptr;
n = BitmapBytePad(cm.width)*(long)cm.height;
mskptr = mskbits = malloc(n);
if (!mskptr)
return BadAlloc;
while (--n >= 0)
*mskptr++ = ~0;
}
else
{
if (!CursorMetricsFromGlyph(maskfont, maskChar, &cm))
{
client->errorValue = maskChar;
return BadValue;
}
if ((rc = ServerBitsFromGlyph(maskfont, maskChar, &cm, &mskbits)))
return rc;
}
if ((rc = ServerBitsFromGlyph(sourcefont, sourceChar, &cm, &srcbits)))
{
free(mskbits);
return rc;
}
if (sourcefont != maskfont)
{
pCurs =
(CursorPtr)calloc(CURSOR_REC_SIZE + CURSOR_BITS_SIZE, 1);
if (pCurs)
bits = (CursorBitsPtr)((char *)pCurs + CURSOR_REC_SIZE);
else
bits = (CursorBitsPtr)NULL;
}
else
{
pCurs = (CursorPtr)calloc(CURSOR_REC_SIZE, 1);
if (pCurs)
bits = (CursorBitsPtr)calloc(CURSOR_BITS_SIZE, 1);
else
bits = (CursorBitsPtr)NULL;
}
if (!bits)
{
free(pCurs);
free(mskbits);
free(srcbits);
return BadAlloc;
}
dixInitPrivates(pCurs, pCurs + 1, PRIVATE_CURSOR);
dixInitPrivates(bits, bits + 1, PRIVATE_CURSOR_BITS);
bits->source = srcbits;
bits->mask = mskbits;
#ifdef ARGB_CURSOR
bits->argb = 0;
#endif
bits->width = cm.width;
bits->height = cm.height;
bits->xhot = cm.xhot;
bits->yhot = cm.yhot;
if (sourcefont != maskfont)
bits->refcnt = -1;
else
{
bits->refcnt = 1;
pShare = malloc(sizeof(GlyphShare));
if (!pShare)
{
FreeCursorBits(bits);
return BadAlloc;
}
pShare->font = sourcefont;
sourcefont->refcnt++;
pShare->sourceChar = sourceChar;
pShare->maskChar = maskChar;
pShare->bits = bits;
pShare->next = sharedGlyphs;
sharedGlyphs = pShare;
}
}
CheckForEmptyMask(bits);
pCurs->bits = bits;
pCurs->refcnt = 1;
#ifdef XFIXES
pCurs->serialNumber = ++cursorSerial;
pCurs->name = None;
#endif
pCurs->foreRed = foreRed;
pCurs->foreGreen = foreGreen;
pCurs->foreBlue = foreBlue;
pCurs->backRed = backRed;
pCurs->backGreen = backGreen;
pCurs->backBlue = backBlue;
pCurs->id = cid;
/* security creation/labeling check */
rc = XaceHook(XACE_RESOURCE_ACCESS, client, cid, RT_CURSOR,
pCurs, RT_NONE, NULL, DixCreateAccess);
if (rc != Success)
goto error;
rc = RealizeCursorAllScreens(pCurs);
if (rc != Success)
goto error;
*ppCurs = pCurs;
return Success;
error:
FreeCursorBits(bits);
dixFiniPrivates(pCurs, PRIVATE_CURSOR);
free(pCurs);
return rc;
}
/**
* does nothing about the resource table, just creates the data structure.
* does not copy the src and mask bits
*
* \param psrcbits server-defined padding
* \param pmaskbits server-defined padding
* \param argb no padding
*/
int
AllocARGBCursor(unsigned char *psrcbits, unsigned char *pmaskbits,
CARD32 *argb, CursorMetricPtr cm,
unsigned foreRed, unsigned foreGreen, unsigned foreBlue,
unsigned backRed, unsigned backGreen, unsigned backBlue,
CursorPtr *ppCurs, ClientPtr client, XID cid)
{
CursorBitsPtr bits;
CursorPtr pCurs;
int rc;
*ppCurs = NULL;
pCurs = (CursorPtr)calloc(CURSOR_REC_SIZE + CURSOR_BITS_SIZE, 1);
if (!pCurs)
return BadAlloc;
bits = (CursorBitsPtr)((char *)pCurs + CURSOR_REC_SIZE);
dixInitPrivates(pCurs, pCurs + 1, PRIVATE_CURSOR);
dixInitPrivates(bits, bits + 1, PRIVATE_CURSOR_BITS)
bits->source = psrcbits;
bits->mask = pmaskbits;
#ifdef ARGB_CURSOR
bits->argb = argb;
#endif
bits->width = cm->width;
bits->height = cm->height;
bits->xhot = cm->xhot;
bits->yhot = cm->yhot;
pCurs->refcnt = 1;
bits->refcnt = -1;
CheckForEmptyMask(bits);
pCurs->bits = bits;
#ifdef XFIXES
pCurs->serialNumber = ++cursorSerial;
pCurs->name = None;
#endif
pCurs->foreRed = foreRed;
pCurs->foreGreen = foreGreen;
pCurs->foreBlue = foreBlue;
pCurs->backRed = backRed;
pCurs->backGreen = backGreen;
pCurs->backBlue = backBlue;
pCurs->id = cid;
/* security creation/labeling check */
rc = XaceHook(XACE_RESOURCE_ACCESS, client, cid, RT_CURSOR,
pCurs, RT_NONE, NULL, DixCreateAccess);
if (rc != Success)
goto error;
rc = RealizeCursorAllScreens(pCurs);
if (rc != Success)
goto error;
*ppCurs = pCurs;
return Success;
error:
FreeCursorBits(bits);
dixFiniPrivates(pCurs, PRIVATE_CURSOR);
free(pCurs);
return rc;
}
int
AnimCursorCreate(CursorPtr *cursors, CARD32 *deltas, int ncursor,
CursorPtr *ppCursor, ClientPtr client, XID cid)
{
CursorPtr pCursor;
int rc, i;
AnimCurPtr ac;
for (i = 0; i < screenInfo.numScreens; i++)
if (!GetAnimCurScreen(screenInfo.screens[i]))
return BadImplementation;
for (i = 0; i < ncursor; i++)
if (IsAnimCur(cursors[i]))
return BadMatch;
pCursor = (CursorPtr) calloc(CURSOR_REC_SIZE +
sizeof(AnimCurRec) +
ncursor * sizeof(AnimCurElt), 1);
if (!pCursor)
return BadAlloc;
dixInitPrivates(pCursor, pCursor + 1, PRIVATE_CURSOR);
pCursor->bits = &animCursorBits;
pCursor->refcnt = 1;
pCursor->foreRed = cursors[0]->foreRed;
pCursor->foreGreen = cursors[0]->foreGreen;
pCursor->foreBlue = cursors[0]->foreBlue;
pCursor->backRed = cursors[0]->backRed;
pCursor->backGreen = cursors[0]->backGreen;
pCursor->backBlue = cursors[0]->backBlue;
pCursor->id = cid;
/* security creation/labeling check */
rc = XaceHook(XACE_RESOURCE_ACCESS, client, cid, RT_CURSOR, pCursor,
RT_NONE, NULL, DixCreateAccess);
if (rc != Success) {
dixFiniPrivates(pCursor, PRIVATE_CURSOR);
free(pCursor);
return rc;
}
/*
* Fill in the AnimCurRec
*/
animCursorBits.refcnt++;
ac = GetAnimCur(pCursor);
ac->nelt = ncursor;
ac->elts = (AnimCurElt *) (ac + 1);
for (i = 0; i < ncursor; i++) {
cursors[i]->refcnt++;
ac->elts[i].pCursor = cursors[i];
ac->elts[i].delay = deltas[i];
}
*ppCursor = pCursor;
return Success;
}
