void
XAAValidateImageGlyphBlt(
GCPtr pGC,
unsigned long changes,
DrawablePtr pDraw )
{
XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
Bool BigFont = FALSE;
pGC->ops->ImageText8 = XAAFallbackOps.ImageText8;
pGC->ops->ImageText16 = XAAFallbackOps.ImageText16;
pGC->ops->ImageGlyphBlt = XAAFallbackOps.ImageGlyphBlt;
if(!pGC->font) return;
if((FONTMAXBOUNDS(pGC->font, rightSideBearing) -
FONTMINBOUNDS(pGC->font, leftSideBearing) > 32))
BigFont = TRUE;
/* no funny business */
if((FONTMINBOUNDS(pGC->font, characterWidth) <= 0) ||
((FONTASCENT(pGC->font) + FONTDESCENT(pGC->font)) <= 0))
return;
/* Check for TE Fonts */
if(!TERMINALFONT(pGC->font) || BigFont || (pGC->depth == 32)) {
if(infoRec->ImageGlyphBltNonTE &&
CHECK_PLANEMASK(pGC,infoRec->ImageGlyphBltNonTEFlags) &&
CHECK_FG(pGC,infoRec->ImageGlyphBltNonTEFlags) &&
infoRec->SetupForSolidFill &&
CHECK_PLANEMASK(pGC,infoRec->SolidFillFlags) &&
CHECK_BG(pGC,infoRec->SolidFillFlags))
{
pGC->ops->ImageText8 = infoRec->ImageText8NonTE;
pGC->ops->ImageText16 = infoRec->ImageText16NonTE;
pGC->ops->ImageGlyphBlt = infoRec->ImageGlyphBltNonTE;
}
} else if(infoRec->ImageGlyphBltTE &&
CHECK_PLANEMASK(pGC,infoRec->ImageGlyphBltTEFlags)){
if(!(infoRec->ImageGlyphBltTEFlags & TRANSPARENCY_ONLY) &&
CHECK_COLORS(pGC,infoRec->ImageGlyphBltTEFlags))
{
pGC->ops->ImageText8 = infoRec->ImageText8TE;
pGC->ops->ImageText16 = infoRec->ImageText16TE;
pGC->ops->ImageGlyphBlt = infoRec->ImageGlyphBltTE;
} else {
if(CHECK_FG(pGC,infoRec->ImageGlyphBltTEFlags) &&
infoRec->SetupForSolidFill &&
CHECK_PLANEMASK(pGC,infoRec->SolidFillFlags) &&
CHECK_BG(pGC,infoRec->SolidFillFlags))
{
pGC->ops->ImageText8 = infoRec->ImageText8TE;
pGC->ops->ImageText16 = infoRec->ImageText16TE;
pGC->ops->ImageGlyphBlt = infoRec->ImageGlyphBltTE;
}
}
}
}
void
XAAValidatePolyGlyphBlt(GCPtr pGC, unsigned long changes, DrawablePtr pDraw)
{
XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
Bool BigFont = FALSE;
pGC->ops->PolyText8 = XAAFallbackOps.PolyText8;
pGC->ops->PolyText16 = XAAFallbackOps.PolyText16;
pGC->ops->PolyGlyphBlt = XAAFallbackOps.PolyGlyphBlt;
if (!pGC->font)
return;
if (pGC->fillStyle != FillSolid)
return;
if ((FONTMAXBOUNDS(pGC->font, rightSideBearing) -
FONTMINBOUNDS(pGC->font, leftSideBearing) > 32))
BigFont = TRUE;
/* no funny business */
if ((FONTMINBOUNDS(pGC->font, characterWidth) <= 0) ||
((FONTASCENT(pGC->font) + FONTDESCENT(pGC->font)) <= 0))
return;
/* Check for TE Fonts */
if (!TERMINALFONT(pGC->font) || BigFont) {
if (infoRec->PolyGlyphBltNonTE &&
CHECK_PLANEMASK(pGC, infoRec->PolyGlyphBltNonTEFlags) &&
CHECK_ROP(pGC, infoRec->PolyGlyphBltNonTEFlags) &&
CHECK_ROPSRC(pGC, infoRec->PolyGlyphBltNonTEFlags) &&
CHECK_FG(pGC, infoRec->PolyGlyphBltNonTEFlags) &&
(!(infoRec->PolyGlyphBltNonTEFlags & TRANSPARENCY_GXCOPY_ONLY) ||
(pGC->alu == GXcopy))
) {
pGC->ops->PolyText8 = infoRec->PolyText8NonTE;
pGC->ops->PolyText16 = infoRec->PolyText16NonTE;
pGC->ops->PolyGlyphBlt = infoRec->PolyGlyphBltNonTE;
}
}
else {
if (infoRec->PolyGlyphBltTE &&
CHECK_PLANEMASK(pGC, infoRec->PolyGlyphBltTEFlags) &&
CHECK_ROP(pGC, infoRec->PolyGlyphBltTEFlags) &&
CHECK_ROPSRC(pGC, infoRec->PolyGlyphBltNonTEFlags) &&
CHECK_FG(pGC, infoRec->PolyGlyphBltTEFlags) &&
(!(infoRec->PolyGlyphBltTEFlags & TRANSPARENCY_GXCOPY_ONLY) ||
(pGC->alu == GXcopy))
) {
pGC->ops->PolyText8 = infoRec->PolyText8TE;
pGC->ops->PolyText16 = infoRec->PolyText16TE;
pGC->ops->PolyGlyphBlt = infoRec->PolyGlyphBltTE;
}
}
}
void
GetTextBoundingBox(DrawablePtr pDrawable, FontPtr font, int x, int y,
int n, BoxPtr pbox)
{
int maxAscent;
int maxDescent;
int maxCharWidth;
if (FONTASCENT(font) > FONTMAXBOUNDS(font, ascent))
{
maxAscent = FONTASCENT(font);
}
else
{
maxAscent = FONTMAXBOUNDS(font, ascent);
}
if (FONTDESCENT(font) > FONTMAXBOUNDS(font, descent))
{
maxDescent = FONTDESCENT(font);
}
else
{
maxDescent = FONTMAXBOUNDS(font, descent);
}
if (FONTMAXBOUNDS(font, rightSideBearing) >
FONTMAXBOUNDS(font, characterWidth))
{
maxCharWidth = FONTMAXBOUNDS(font, rightSideBearing);
}
else
{
maxCharWidth = FONTMAXBOUNDS(font, characterWidth);
}
pbox->x1 = pDrawable->x + x;
pbox->y1 = pDrawable->y + y - maxAscent;
pbox->x2 = pbox->x1 + maxCharWidth * n;
pbox->y2 = pbox->y1 + maxAscent + maxDescent;
if (FONTMINBOUNDS(font, leftSideBearing) < 0)
{
pbox->x1 += FONTMINBOUNDS(font, leftSideBearing);
}
}
static GCOps *
cfb32MatchCommon_Underlay(
GCPtr pGC,
cfbPrivGCPtr devPriv)
{
if (pGC->lineWidth != 0)
return 0;
if (pGC->lineStyle != LineSolid)
return 0;
if (pGC->fillStyle != FillSolid)
return 0;
if (devPriv->rop != GXcopy)
return 0;
if (pGC->font &&
FONTMAXBOUNDS(pGC->font,rightSideBearing) -
FONTMINBOUNDS(pGC->font,leftSideBearing) <= 32 &&
FONTMINBOUNDS(pGC->font,characterWidth) >= 0)
{
if (TERMINALFONT(pGC->font)
#ifdef FOUR_BIT_CODE
&& FONTMAXBOUNDS(pGC->font,characterWidth) >= PGSZB
#endif
)
#ifdef NO_ONE_RECT
return &cfbTEOps1Rect;
#else
if (devPriv->oneRect)
return &cfbTEOps1Rect;
else
return &cfbTEOps;
#endif
else
#ifdef NO_ONE_RECT
return &cfbNonTEOps1Rect;
#else
if (devPriv->oneRect)
return &cfbNonTEOps1Rect;
else
return &cfbNonTEOps;
#endif
}
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);
}
void
xf4bppImageGlyphBlt(DrawablePtr pDrawable, GC *pGC, int x, int y,
unsigned int nglyph, CharInfoPtr *ppci, pointer pglyphBase)
{
ExtentInfoRec info; /* used by QueryGlyphExtents() */
xRectangle backrect;/* backing rectangle to paint.
in the general case, NOT necessarily
the same as the string's bounding box
*/
/* GJA -- I agree, this ALL should be moved to GC validation. */
if ( (pDrawable->type != DRAWABLE_WINDOW) || (pGC->alu != GXcopy) ||
!xf86Screens[pDrawable->pScreen->myNum]->vtSema ||
((pGC->font) &&
(FONTMAXBOUNDS(pGC->font,rightSideBearing) -
FONTMINBOUNDS(pGC->font,leftSideBearing) > 32 ||
FONTMINBOUNDS(pGC->font,characterWidth) < 0)) ) {
miImageGlyphBlt(pDrawable, pGC, x, y, nglyph, ppci, pglyphBase);
} else {
ppcPrivGC *pPrivGC;
int oldfillStyle, oldfg, oldalu;
if (!(pGC->planemask & 0x0F))
return;
QueryGlyphExtents(pGC->font, ppci, (unsigned long)nglyph, &info);
backrect.x = x;
backrect.y = y - FONTASCENT(pGC->font);
backrect.width = info.overallWidth;
backrect.height = FONTASCENT(pGC->font) + FONTDESCENT(pGC->font);
pPrivGC = pGC->devPrivates[mfbGCPrivateIndex].ptr;
oldfillStyle = pPrivGC->colorRrop.fillStyle; /* GJA */
oldfg = pPrivGC->colorRrop.fgPixel; /* GJA */
oldalu = pPrivGC->colorRrop.alu; /* GJA */
pPrivGC->colorRrop.fillStyle = FillSolid; /* GJA */
pPrivGC->colorRrop.fgPixel = pGC->bgPixel; /* GJA */
pGC->fgPixel = pGC->bgPixel;
pPrivGC->colorRrop.alu = GXcopy; /* GJA */
pGC->alu = GXcopy;
/* Required fields:
* colorRrop.alu, colorRrop.planemask, colorRrop.fgPixel
*/
xf4bppPolyFillRect(pDrawable, pGC, 1, &backrect);
pPrivGC->colorRrop.fgPixel = oldfg; /* GJA */
pGC->fgPixel = oldfg;
/* the faint-hearted can open their eyes now */
DO_WM3(pGC,doImageGlyphBlt(pDrawable, pGC, x, y, nglyph, ppci,
pglyphBase,&info))
pPrivGC->colorRrop.fillStyle = oldfillStyle; /* GJA */
pPrivGC->colorRrop.alu = oldalu; /* GJA */
pGC->alu = oldalu;
}
}