_X_EXPORT Bool
AllocatePixmapPrivate(register ScreenPtr pScreen, int index2, unsigned amount)
{
unsigned oldamount;
/* Round up sizes for proper alignment */
amount = ((amount + (sizeof(long) - 1)) / sizeof(long)) * sizeof(long);
if (index2 >= pScreen->PixmapPrivateLen) {
unsigned *nsizes;
nsizes = (unsigned *) realloc(pScreen->PixmapPrivateSizes,
(index2 + 1) * sizeof(unsigned));
if (!nsizes)
return FALSE;
while (pScreen->PixmapPrivateLen <= index2) {
nsizes[pScreen->PixmapPrivateLen++] = 0;
pScreen->totalPixmapSize += sizeof(DevUnion);
}
pScreen->PixmapPrivateSizes = nsizes;
}
oldamount = pScreen->PixmapPrivateSizes[index2];
if (amount > oldamount) {
pScreen->PixmapPrivateSizes[index2] = amount;
pScreen->totalPixmapSize += (amount - oldamount);
}
pScreen->totalPixmapSize = BitmapBytePad(pScreen->totalPixmapSize * 8);
return TRUE;
}
void *
shadowAlloc (int width, int height, int bpp)
{
int stride;
void *fb;
/* Cant use PixmapBytePad -- the structure is probably not initialized yet */
stride = BitmapBytePad (width * bpp);
fb = xalloc (stride * height);
return fb;
}
static Bool
EmptyMask(CursorBitsPtr bits)
{
unsigned char *mask = bits->mask;
int n = BitmapBytePad(bits->width) * bits->height;
while (n--)
if (*mask++ != 0) return FALSE;
#ifdef ARGB_CURSOR
if (bits->argb) {
CARD32 *argb = bits->argb;
n = bits->width * bits->height;
while (n--)
if (*argb++ & 0xff000000) return FALSE;
}
#endif
return TRUE;
}
static Bool
afbCreateScreenResources(ScreenPtr pScreen)
{
Bool retval;
pointer oldDevPrivate = pScreen->devPrivate;
pScreen->devPrivate = pScreen->devPrivates[afbScreenPrivateIndex].ptr;
retval = miCreateScreenResources(pScreen);
/* Modify screen's pixmap devKind value stored off devPrivate to
* be the width of a single plane in longs rather than the width
* of a chunky screen in longs as incorrectly setup by the mi routine.
*/
((PixmapPtr)pScreen->devPrivate)->devKind = BitmapBytePad(pScreen->width);
pScreen->devPrivates[afbScreenPrivateIndex].ptr = pScreen->devPrivate;
pScreen->devPrivate = oldDevPrivate;
return(retval);
}
/*
* We check for empty cursors so that we won't have to display them
*/
static void
CheckForEmptyMask(CursorBitsPtr bits)
{
unsigned char *msk = bits->mask;
int n = BitmapBytePad(bits->width) * bits->height;
bits->emptyMask = FALSE;
while(n--)
if(*(msk++) != 0) return;
#ifdef ARGB_CURSOR
if (bits->argb)
{
CARD32 *argb = bits->argb;
int n = bits->width * bits->height;
while (n--)
if (*argb++ & 0xff000000) return;
}
#endif
bits->emptyMask = TRUE;
}
static Bool
cfb24_32CreateScreenResources(ScreenPtr pScreen)
{
miScreenInitParmsPtr pScrInitParms;
int pitch;
Bool retval;
/* get the pitch before mi destroys it */
pScrInitParms = (miScreenInitParmsPtr)pScreen->devPrivate;
pitch = BitmapBytePad(pScrInitParms->width * 24);
if((retval = miCreateScreenResources(pScreen))) {
/* fix the screen pixmap */
PixmapPtr pPix = (PixmapPtr)pScreen->devPrivate;
pPix->drawable.bitsPerPixel = 24;
pPix->devKind = pitch;
}
return retval;
}
Bool
AllocateGlyphPrivate (ScreenPtr pScreen,
int index2,
unsigned amount)
{
PictureScreenPtr ps;
unsigned oldamount;
ps = GetPictureScreenIfSet (pScreen);
if (!ps)
return FALSE;
/* Round up sizes for proper alignment */
amount = ((amount + (sizeof (DevUnion) - 1)) / sizeof (DevUnion)) *
sizeof (DevUnion);
if (index2 >= ps->glyphPrivateLen)
{
unsigned *nsizes;
nsizes = (unsigned *) xrealloc (ps->glyphPrivateSizes,
(index2 + 1) * sizeof (unsigned));
if (!nsizes)
return FALSE;
while (ps->glyphPrivateLen <= index2)
{
nsizes[ps->glyphPrivateLen++] = 0;
ps->totalGlyphPrivateSize += sizeof (DevUnion);
}
ps->glyphPrivateSizes = nsizes;
}
oldamount = ps->glyphPrivateSizes[index2];
if (amount > oldamount)
{
ps->glyphPrivateSizes[index2] = amount;
ps->totalGlyphPrivateSize += (amount - oldamount);
}
ps->totalGlyphPrivateSize = BitmapBytePad (ps->totalGlyphPrivateSize * 8);
return TRUE;
}
/*
* Convert X cursor to Windows cursor
* FIXME: Perhaps there are more smart code
*/
HCURSOR
winXCursorToHCURSOR(WMUTIL_CURSOR *pCursor)
{
HCURSOR hCursor = NULL;
unsigned char *pAnd;
unsigned char *pXor;
int nCX, nCY;
int nBytes;
double dForeY, dBackY;
BOOL fReverse;
HBITMAP hAnd, hXor;
ICONINFO ii;
unsigned char *pCur;
unsigned char bit;
HDC hDC;
BITMAPV4HEADER bi;
BITMAPINFO *pbmi;
uint32_t *lpBits;
int sm_cx = GetSystemMetrics(SM_CXCURSOR);
int sm_cy = GetSystemMetrics(SM_CYCURSOR);
WIN_DEBUG_MSG("winXCursorToHCURSOR: Win32 size: %dx%d X11 size: %dx%d hotspot: %d,%d\n",
sm_cx, sm_cy,
pCursor->width, pCursor->height,
pCursor->xhot, pCursor->yhot);
/* We can use only White and Black, so calc brightness of color
* Also check if the cursor is inverted */
dForeY = BRIGHTNESS(pCursor->fore);
dBackY = BRIGHTNESS(pCursor->back);
fReverse = dForeY < dBackY;
/* Check whether the X11 cursor is bigger than the win32 cursor */
if (sm_cx < pCursor->width ||
sm_cy < pCursor->height) {
winError("winXCursorToHCURSOR - Windows requires %dx%d cursor but X requires %dx%d\n",
sm_cx, sm_cy,
pCursor->width, pCursor->height);
}
/* Get the number of bytes required to store the whole cursor image
* This is roughly (sm_cx * sm_cy) / 8
* round up to 8 pixel boundary so we can convert whole bytes */
nBytes =
bits_to_bytes(sm_cx) * sm_cy;
/* Get the effective width and height */
nCX = min(sm_cx, pCursor->width);
nCY = min(sm_cy, pCursor->height);
/* Allocate memory for the bitmaps */
pAnd = malloc(nBytes);
memset(pAnd, 0xFF, nBytes);
pXor = calloc(1, nBytes);
memset(pXor, 0x00, nBytes);
/* prepare the pointers */
hCursor = NULL;
lpBits = NULL;
/* We have a truecolor alpha-blended cursor and can use it! */
if (pCursor->argb) {
WIN_DEBUG_MSG("winXCursorToHCURSOR: Trying truecolor alphablended cursor\n");
memset(&bi, 0, sizeof(BITMAPV4HEADER));
bi.bV4Size = sizeof(BITMAPV4HEADER);
bi.bV4Width = sm_cx;
bi.bV4Height = -(sm_cy); /* right-side up */
bi.bV4Planes = 1;
bi.bV4BitCount = 32;
bi.bV4V4Compression = BI_BITFIELDS;
bi.bV4RedMask = 0x00FF0000;
bi.bV4GreenMask = 0x0000FF00;
bi.bV4BlueMask = 0x000000FF;
bi.bV4AlphaMask = 0xFF000000;
lpBits =
(uint32_t *) calloc(sm_cx *
sm_cy,
sizeof(uint32_t));
if (lpBits) {
int y;
for (y = 0; y < nCY; y++) {
void *src, *dst;
src = &(pCursor->argb[y * pCursor->width]);
dst = &(lpBits[y * sm_cx]);
memcpy(dst, src, 4 * nCX);
}
}
} /* End if-truecolor-icon */
else
{
/* Convert the X11 bitmap to a win32 bitmap
* The first is for an empty mask */
if (pCursor->emptyMask) {
int x, y, xmax = bits_to_bytes(nCX);
for (y = 0; y < nCY; ++y)
for (x = 0; x < xmax; ++x) {
int nWinPix = bits_to_bytes(sm_cx) * y + x;
int nXPix = BitmapBytePad(pCursor->width) * y + x;
pAnd[nWinPix] = 0;
if (fReverse)
pXor[nWinPix] = reverse(~pCursor->source[nXPix]);
else
pXor[nWinPix] = reverse(pCursor->source[nXPix]);
}
}
else {
int x, y, xmax = bits_to_bytes(nCX);
for (y = 0; y < nCY; ++y)
for (x = 0; x < xmax; ++x) {
int nWinPix = bits_to_bytes(sm_cx) * y + x;
int nXPix = BitmapBytePad(pCursor->width) * y + x;
unsigned char mask = pCursor->mask[nXPix];
pAnd[nWinPix] = reverse(~mask);
if (fReverse)
pXor[nWinPix] =
reverse(~pCursor->source[nXPix] & mask);
else
pXor[nWinPix] =
reverse(pCursor->source[nXPix] & mask);
}
}
}
if (!lpBits) {
RGBQUAD *pbmiColors;
/* Bicolor, use a palettized DIB */
WIN_DEBUG_MSG("winXCursorToHCURSOR: Trying two color cursor\n");
pbmi = (BITMAPINFO *) &bi;
pbmiColors = &(pbmi->bmiColors[0]);
memset(pbmi, 0, sizeof(BITMAPINFOHEADER));
pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pbmi->bmiHeader.biWidth = sm_cx;
pbmi->bmiHeader.biHeight = -abs(sm_cy); /* right-side up */
pbmi->bmiHeader.biPlanes = 1;
pbmi->bmiHeader.biBitCount = 8;
pbmi->bmiHeader.biCompression = BI_RGB;
pbmi->bmiHeader.biSizeImage = 0;
pbmi->bmiHeader.biClrUsed = 3;
pbmi->bmiHeader.biClrImportant = 3;
pbmiColors[0].rgbRed = 0; /* Empty */
pbmiColors[0].rgbGreen = 0;
pbmiColors[0].rgbBlue = 0;
pbmiColors[0].rgbReserved = 0;
pbmiColors[1].rgbRed = pCursor->backRed >> 8; /* Background */
pbmiColors[1].rgbGreen = pCursor->backGreen >> 8;
pbmiColors[1].rgbBlue = pCursor->backBlue >> 8;
pbmiColors[1].rgbReserved = 0;
pbmiColors[2].rgbRed = pCursor->foreRed >> 8; /* Foreground */
pbmiColors[2].rgbGreen = pCursor->foreGreen >> 8;
pbmiColors[2].rgbBlue = pCursor->foreBlue >> 8;
pbmiColors[2].rgbReserved = 0;
lpBits =
(uint32_t *) calloc(sm_cx * sm_cy, sizeof(char));
pCur = (unsigned char *) lpBits;
if (lpBits) {
int x, y;
for (y = 0; y < sm_cy; y++) {
for (x = 0; x < sm_cx; x++) {
if (x >= nCX || y >= nCY) /* Outside of X11 icon bounds */
(*pCur++) = 0;
else { /* Within X11 icon bounds */
int nWinPix =
bits_to_bytes(sm_cx) * y +
(x / 8);
bit = pAnd[nWinPix];
bit = bit & (1 << (7 - (x & 7)));
if (!bit) { /* Within the cursor mask? */
int nXPix =
BitmapBytePad(pCursor->width) * y +
(x / 8);
bit =
~reverse(~pCursor->
source[nXPix] & pCursor->
mask[nXPix]);
bit = bit & (1 << (7 - (x & 7)));
if (bit) /* Draw foreground */
(*pCur++) = 2;
else /* Draw background */
(*pCur++) = 1;
}
else /* Outside the cursor mask */
(*pCur++) = 0;
}
} /* end for (x) */
} /* end for (y) */
} /* end if (lpbits) */
}
void
miPolyGlyphBlt(DrawablePtr pDrawable, GCPtr pGC, int x, int y,
unsigned int nglyph, CharInfoPtr *ppci, pointer pglyphBase)
{
int width, height;
PixmapPtr pPixmap;
int nbyLine; /* bytes per line of padded pixmap */
FontPtr pfont;
GCPtr pGCtmp;
int i;
int j;
unsigned char *pbits; /* buffer for PutImage */
unsigned char *pb; /* temp pointer into buffer */
CharInfoPtr pci; /* currect char info */
unsigned char *pglyph; /* pointer bits in glyph */
int gWidth, gHeight; /* width and height of glyph */
int nbyGlyphWidth; /* bytes per scanline of glyph */
int nbyPadGlyph; /* server padded line of glyph */
XID gcvals[3];
if (pGC->miTranslate)
{
x += pDrawable->x;
y += pDrawable->y;
}
pfont = pGC->font;
width = FONTMAXBOUNDS(pfont,rightSideBearing) -
FONTMINBOUNDS(pfont,leftSideBearing);
height = FONTMAXBOUNDS(pfont,ascent) +
FONTMAXBOUNDS(pfont,descent);
pPixmap = (*pDrawable->pScreen->CreatePixmap)(pDrawable->pScreen,
width, height, 1);
if (!pPixmap)
return;
pGCtmp = GetScratchGC(1, pDrawable->pScreen);
if (!pGCtmp)
{
(*pDrawable->pScreen->DestroyPixmap)(pPixmap);
return;
}
gcvals[0] = GXcopy;
gcvals[1] = 1;
gcvals[2] = 0;
DoChangeGC(pGCtmp, GCFunction|GCForeground|GCBackground, gcvals, 0);
nbyLine = BitmapBytePad(width);
pbits = (unsigned char *)ALLOCATE_LOCAL(height*nbyLine);
if (!pbits)
{
(*pDrawable->pScreen->DestroyPixmap)(pPixmap);
FreeScratchGC(pGCtmp);
return;
}
while(nglyph--)
{
pci = *ppci++;
pglyph = FONTGLYPHBITS(pglyphBase, pci);
gWidth = GLYPHWIDTHPIXELS(pci);
gHeight = GLYPHHEIGHTPIXELS(pci);
if (gWidth && gHeight)
{
nbyGlyphWidth = GLYPHWIDTHBYTESPADDED(pci);
nbyPadGlyph = BitmapBytePad(gWidth);
if (nbyGlyphWidth == nbyPadGlyph
#if GLYPHPADBYTES != 4
&& (((int) pglyph) & 3) == 0
#endif
)
{
pb = pglyph;
}
else
{
for (i=0, pb = pbits; i<gHeight; i++, pb = pbits+(i*nbyPadGlyph))
for (j = 0; j < nbyGlyphWidth; j++)
*pb++ = *pglyph++;
pb = pbits;
}
if ((pGCtmp->serialNumber) != (pPixmap->drawable.serialNumber))
ValidateGC((DrawablePtr)pPixmap, pGCtmp);
(*pGCtmp->ops->PutImage)((DrawablePtr)pPixmap, pGCtmp,
pPixmap->drawable.depth,
0, 0, gWidth, gHeight,
0, XYBitmap, (char *)pb);
if ((pGC->serialNumber) != (pDrawable->serialNumber))
ValidateGC(pDrawable, pGC);
(*pGC->ops->PushPixels)(pGC, pPixmap, pDrawable,
gWidth, gHeight,
x + pci->metrics.leftSideBearing,
y - pci->metrics.ascent);
}
x += pci->metrics.characterWidth;
}
(*pDrawable->pScreen->DestroyPixmap)(pPixmap);
DEALLOCATE_LOCAL(pbits);
FreeScratchGC(pGCtmp);
}
/** Transfer \a pBits image to back-end server associated with \a
* pDrawable's screen. If primitive subdivision optimization is
* enabled, then only transfer the sections of \a pBits that are
* visible (i.e., not-clipped) to the back-end server. */
void dmxPutImage(DrawablePtr pDrawable, GCPtr pGC,
int depth, int x, int y, int w, int h,
int leftPad, int format, char *pBits)
{
DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
XImage *img;
if (DMX_GCOPS_OFFSCREEN(pDrawable)) return;
img = XCreateImage(dmxScreen->beDisplay,
dmxScreen->beVisuals[dmxScreen->beDefVisualIndex].visual,
depth, format, leftPad, pBits, w, h,
BitmapPad(dmxScreen->beDisplay),
(format == ZPixmap) ?
PixmapBytePad(w, depth) : BitmapBytePad(w+leftPad));
if (img) {
Drawable draw;
DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
if (dmxSubdividePrimitives && pGC->pCompositeClip) {
RegionPtr pSubImages;
RegionPtr pClip;
BoxRec box;
BoxPtr pBox;
int nBox;
box.x1 = x;
box.y1 = y;
box.x2 = x + w;
box.y2 = y + h;
pSubImages = RegionCreate(&box, 1);
pClip = RegionCreate(NullBox, 1);
RegionCopy(pClip, pGC->pCompositeClip);
RegionTranslate(pClip,
-pDrawable->x, -pDrawable->y);
RegionIntersect(pSubImages, pSubImages, pClip);
nBox = RegionNumRects(pSubImages);
pBox = RegionRects(pSubImages);
while (nBox--) {
XPutImage(dmxScreen->beDisplay, draw, pGCPriv->gc, img,
pBox->x1 - box.x1,
pBox->y1 - box.y1,
pBox->x1,
pBox->y1,
pBox->x2 - pBox->x1,
pBox->y2 - pBox->y1);
pBox++;
}
RegionDestroy(pClip);
RegionDestroy(pSubImages);
} else {
XPutImage(dmxScreen->beDisplay, draw, pGCPriv->gc,
img, 0, 0, x, y, w, h);
}
XFree(img); /* Use XFree instead of XDestroyImage
* because pBits is passed in from the
* caller. */
dmxSync(dmxScreen, FALSE);
} else {
/* Error -- this should not happen! */
}
}
void
fbPutImage (DrawablePtr pDrawable,
GCPtr pGC,
int depth,
int x,
int y,
int w,
int h,
int leftPad,
int format,
char *pImage)
{
FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
unsigned long i;
FbStride srcStride;
FbStip *src = (FbStip *) pImage;
x += pDrawable->x;
y += pDrawable->y;
switch (format)
{
case XYBitmap:
srcStride = BitmapBytePad(w + leftPad) / sizeof (FbStip);
fbPutXYImage (pDrawable,
fbGetCompositeClip(pGC),
pPriv->fg,
pPriv->bg,
pPriv->pm,
pGC->alu,
TRUE,
x, y, w, h,
src,
srcStride,
leftPad);
break;
case XYPixmap:
srcStride = BitmapBytePad(w + leftPad) / sizeof (FbStip);
for (i = 1 << (pDrawable->depth - 1); i; i >>= 1)
{
if (i & pGC->planemask)
{
fbPutXYImage (pDrawable,
fbGetCompositeClip(pGC),
FB_ALLONES,
0,
fbReplicatePixel (i, pDrawable->bitsPerPixel),
pGC->alu,
TRUE,
x, y, w, h,
src,
srcStride,
leftPad);
src += srcStride * h;
}
}
break;
case ZPixmap:
#ifdef FB_24_32BIT
if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth))
{
srcStride = PixmapBytePad(w, pDrawable->depth);
fb24_32PutZImage (pDrawable,
fbGetCompositeClip(pGC),
pGC->alu,
(FbBits) pGC->planemask,
x, y, w, h,
(CARD8 *) pImage,
srcStride);
}
else
#endif
{
srcStride = PixmapBytePad(w, pDrawable->depth) / sizeof (FbStip);
fbPutZImage (pDrawable,
fbGetCompositeClip(pGC),
pGC->alu,
pPriv->pm,
x, y, w, h,
src, srcStride);
}
}
}
void
fbGetImage (DrawablePtr pDrawable,
int x,
int y,
int w,
int h,
unsigned int format,
unsigned long planeMask,
char *d)
{
FbBits *src;
FbStride srcStride;
int srcBpp;
int srcXoff, srcYoff;
FbStip *dst;
FbStride dstStride;
/*
* XFree86 DDX empties the root borderClip when the VT is
* switched away; this checks for that case
*/
if (!fbDrawableEnabled(pDrawable))
return;
#ifdef FB_24_32BIT
if (format == ZPixmap &&
pDrawable->bitsPerPixel != BitsPerPixel (pDrawable->depth))
{
fb24_32GetImage (pDrawable, x, y, w, h, format, planeMask, d);
return;
}
#endif
fbGetDrawable (pDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
x += pDrawable->x;
y += pDrawable->y;
dst = (FbStip *) d;
if (format == ZPixmap || srcBpp == 1)
{
FbBits pm;
pm = fbReplicatePixel (planeMask, srcBpp);
dstStride = PixmapBytePad(w, pDrawable->depth);
if (pm != FB_ALLONES)
memset (d, 0, dstStride * h);
dstStride /= sizeof (FbStip);
fbBltStip ((FbStip *) (src + (y + srcYoff) * srcStride),
FbBitsStrideToStipStride(srcStride),
(x + srcXoff) * srcBpp,
dst,
dstStride,
0,
w * srcBpp, h,
GXcopy,
pm,
srcBpp);
}
else
{
dstStride = BitmapBytePad(w) / sizeof (FbStip);
fbBltPlane (src + (y + srcYoff) * srcStride,
srcStride,
(x + srcXoff) * srcBpp,
srcBpp,
dst,
dstStride,
0,
w * srcBpp, h,
fbAndStip(GXcopy,FB_STIP_ALLONES,FB_STIP_ALLONES),
fbXorStip(GXcopy,FB_STIP_ALLONES,FB_STIP_ALLONES),
fbAndStip(GXcopy,0,FB_STIP_ALLONES),
fbXorStip(GXcopy,0,FB_STIP_ALLONES),
planeMask);
}
}
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;
}
