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author | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
commit | 3562e78743202e43aec8727005182a2558117eca (patch) | |
tree | 8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /xorg-server/hw/xfree86/xaa/xaaNonTEText.c | |
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Checked in the following released items:
xkeyboard-config-1.4.tar.gz
ttf-bitstream-vera-1.10.tar.gz
font-alias-1.0.1.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sony-misc-1.0.0.tar.gz
font-schumacher-misc-1.0.0.tar.gz
font-mutt-misc-1.0.0.tar.gz
font-misc-misc-1.0.0.tar.gz
font-misc-meltho-1.0.0.tar.gz
font-micro-misc-1.0.0.tar.gz
font-jis-misc-1.0.0.tar.gz
font-isas-misc-1.0.0.tar.gz
font-dec-misc-1.0.0.tar.gz
font-daewoo-misc-1.0.0.tar.gz
font-cursor-misc-1.0.0.tar.gz
font-arabic-misc-1.0.0.tar.gz
font-winitzki-cyrillic-1.0.0.tar.gz
font-misc-cyrillic-1.0.0.tar.gz
font-cronyx-cyrillic-1.0.0.tar.gz
font-screen-cyrillic-1.0.1.tar.gz
font-xfree86-type1-1.0.1.tar.gz
font-adobe-utopia-type1-1.0.1.tar.gz
font-ibm-type1-1.0.0.tar.gz
font-bitstream-type1-1.0.0.tar.gz
font-bitstream-speedo-1.0.0.tar.gz
font-bh-ttf-1.0.0.tar.gz
font-bh-type1-1.0.0.tar.gz
font-bitstream-100dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz
font-bh-100dpi-1.0.0.tar.gz
font-adobe-utopia-100dpi-1.0.1.tar.gz
font-adobe-100dpi-1.0.0.tar.gz
font-util-1.0.1.tar.gz
font-bitstream-75dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz
font-adobe-utopia-75dpi-1.0.1.tar.gz
font-bh-75dpi-1.0.0.tar.gz
bdftopcf-1.0.1.tar.gz
font-adobe-75dpi-1.0.0.tar.gz
mkfontscale-1.0.6.tar.gz
openssl-0.9.8k.tar.gz
bigreqsproto-1.0.2.tar.gz
xtrans-1.2.2.tar.gz
resourceproto-1.0.2.tar.gz
inputproto-1.4.4.tar.gz
compositeproto-0.4.tar.gz
damageproto-1.1.0.tar.gz
zlib-1.2.3.tar.gz
xkbcomp-1.0.5.tar.gz
freetype-2.3.9.tar.gz
pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
kbproto-1.0.3.tar.gz
evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
libXau-1.0.4.tar.gz
libxcb-1.1.tar.gz
xorg-server-1.5.3.tar.gz
Diffstat (limited to 'xorg-server/hw/xfree86/xaa/xaaNonTEText.c')
-rw-r--r-- | xorg-server/hw/xfree86/xaa/xaaNonTEText.c | 592 |
1 files changed, 592 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/xaa/xaaNonTEText.c b/xorg-server/hw/xfree86/xaa/xaaNonTEText.c new file mode 100644 index 000000000..d4661e879 --- /dev/null +++ b/xorg-server/hw/xfree86/xaa/xaaNonTEText.c @@ -0,0 +1,592 @@ + +/******************************************************************** + + In this file we have GC level replacements for PolyText8/16, + ImageText8/16, ImageGlyphBlt and PolyGlyphBlt for NonTE (proportional) + fonts. The idea is that everything in this file is device independent. + The mentioned GCOps are merely wrappers for the + PolyGlyphBltNonTEColorExpansion and ImageGlyphBltNonTEColorExpansion + functions which calculate the boxes containing arbitrarily clipped + text and passes them to the NonTEGlyphRenderer which will usually + be a lower level XAA function which renders these clipped glyphs using + the basic color expansion functions exported by the chipset driver. + The NonTEGlyphRenderer itself may optionally be driver supplied to + facilitate work-arounds/optimizations at a higher level than usual. + + Written by Mark Vojkovich (mvojkovi@ucsd.edu) + +********************************************************************/ + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include <string.h> + +#include "misc.h" +#include "xf86.h" +#include "xf86_OSproc.h" + +#include <X11/X.h> +#include <X11/fonts/font.h> +#include "scrnintstr.h" +#include "dixfontstr.h" +#include "xf86str.h" +#include "xaa.h" +#include "xaacexp.h" +#include "xaalocal.h" +#include "gcstruct.h" +#include "pixmapstr.h" + + +static void ImageGlyphBltNonTEColorExpansion(ScrnInfoPtr pScrn, + int xInit, int yInit, FontPtr font, + int fg, int bg, unsigned planemask, + RegionPtr cclip, int nglyph, + unsigned char* gBase, CharInfoPtr *ppci); +static int PolyGlyphBltNonTEColorExpansion(ScrnInfoPtr pScrn, + int xInit, int yInit, FontPtr font, + int fg, int rop, unsigned planemask, + RegionPtr cclip, int nglyph, + unsigned char* gBase, CharInfoPtr *ppci); + +/******************************************************************** + + GC level replacements for PolyText8/16 and ImageText8/16 + for NonTE fonts when using color expansion. + +********************************************************************/ + + +int +XAAPolyText8NonTEColorExpansion( + DrawablePtr pDraw, + GCPtr pGC, + int x, + int y, + int count, + char *chars ) +{ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC); + unsigned long n; + int width = 0; + + (*pGC->font->get_glyphs)(pGC->font, (unsigned long)count, + (unsigned char *)chars, Linear8Bit, &n, infoRec->CharInfo); + + if(n) { + width = PolyGlyphBltNonTEColorExpansion( infoRec->pScrn, + x + pDraw->x, y + pDraw->y, pGC->font, + pGC->fgPixel, pGC->alu, pGC->planemask, + pGC->pCompositeClip, n, FONTGLYPHS(pGC->font), + infoRec->CharInfo); + } + + return (x + width); +} + + +int +XAAPolyText16NonTEColorExpansion( + DrawablePtr pDraw, + GCPtr pGC, + int x, + int y, + int count, + unsigned short *chars ) +{ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC); + unsigned long n; + int width = 0; + + (*pGC->font->get_glyphs)( + pGC->font, (unsigned long)count, (unsigned char *)chars, + (FONTLASTROW(pGC->font) == 0) ? Linear16Bit : TwoD16Bit, + &n, infoRec->CharInfo); + + if(n) { + width = PolyGlyphBltNonTEColorExpansion( infoRec->pScrn, + x + pDraw->x, y + pDraw->y, pGC->font, + pGC->fgPixel, pGC->alu, pGC->planemask, + pGC->pCompositeClip, n, FONTGLYPHS(pGC->font), + infoRec->CharInfo); + } + + return (x + width); +} + + +void +XAAImageText8NonTEColorExpansion( + DrawablePtr pDraw, + GCPtr pGC, + int x, + int y, + int count, + char *chars +){ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC); + unsigned long n; + + if(!REGION_NUM_RECTS(pGC->pCompositeClip)) + return; + + (*pGC->font->get_glyphs)(pGC->font, (unsigned long)count, + (unsigned char *)chars, Linear8Bit, &n, infoRec->CharInfo); + + if(n) ImageGlyphBltNonTEColorExpansion( + infoRec->pScrn, x + pDraw->x, y + pDraw->y, + pGC->font, pGC->fgPixel, pGC->bgPixel, pGC->planemask, + pGC->pCompositeClip, n, FONTGLYPHS(pGC->font), infoRec->CharInfo); +} + + +void +XAAImageText16NonTEColorExpansion( + DrawablePtr pDraw, + GCPtr pGC, + int x, + int y, + int count, + unsigned short *chars +){ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC); + unsigned long n; + + if(!REGION_NUM_RECTS(pGC->pCompositeClip)) + return; + + (*pGC->font->get_glyphs)( + pGC->font, (unsigned long)count, (unsigned char *)chars, + (FONTLASTROW(pGC->font) == 0) ? Linear16Bit : TwoD16Bit, + &n, infoRec->CharInfo); + + if(n) ImageGlyphBltNonTEColorExpansion( + infoRec->pScrn, x + pDraw->x, y + pDraw->y, + pGC->font, pGC->fgPixel, pGC->bgPixel, pGC->planemask, + pGC->pCompositeClip, n, FONTGLYPHS(pGC->font), infoRec->CharInfo); +} + + + +/******************************************************************** + + GC level replacements for ImageGlyphBlt and PolyGlyphBlt for + NonTE fonts when using color expansion. + +********************************************************************/ + + +void +XAAImageGlyphBltNonTEColorExpansion( + DrawablePtr pDraw, + GCPtr pGC, + int xInit, int yInit, + unsigned int nglyph, + CharInfoPtr *ppci, /* array of character info */ + pointer pglyphBase /* start of array of glyphs */ +){ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC); + + if(!REGION_NUM_RECTS(pGC->pCompositeClip)) + return; + + ImageGlyphBltNonTEColorExpansion( + infoRec->pScrn, xInit + pDraw->x, yInit + pDraw->y, + pGC->font, pGC->fgPixel, pGC->bgPixel, pGC->planemask, + pGC->pCompositeClip, nglyph, (unsigned char*)pglyphBase, ppci); +} + +void +XAAPolyGlyphBltNonTEColorExpansion( + DrawablePtr pDraw, + GCPtr pGC, + int xInit, int yInit, + unsigned int nglyph, + CharInfoPtr *ppci, /* array of character info */ + pointer pglyphBase /* start of array of glyphs */ +){ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC); + + if(!REGION_NUM_RECTS(pGC->pCompositeClip)) + return; + + PolyGlyphBltNonTEColorExpansion( + infoRec->pScrn, xInit + pDraw->x, yInit + pDraw->y, + pGC->font, pGC->fgPixel, pGC->alu, pGC->planemask, + pGC->pCompositeClip, nglyph, (unsigned char*)pglyphBase, ppci); +} + + + + +/******************************************************************** + + ImageGlyphBltNonTEColorExpansion - + PolyGlyphBltNonTEColorExpansion - + + These guys compute the clipped pieces of text and send it to + the lower-level function which will handle acceleration of + arbitrarily clipped text. + +********************************************************************/ + + + +static int +CollectCharacterInfo( + NonTEGlyphPtr glyphs, + unsigned int nglyph, + CharInfoPtr *ppci, + FontPtr pfont +){ + int i, w = 0; + + for(i = 0; i < nglyph; i++, ppci++, glyphs++) { + glyphs->bits = (unsigned char*)((*ppci)->bits); + glyphs->start = w + (*ppci)->metrics.leftSideBearing; + glyphs->end = w + (*ppci)->metrics.rightSideBearing; + glyphs->yoff = (*ppci)->metrics.ascent; + glyphs->height = glyphs->yoff + (*ppci)->metrics.descent; + glyphs->srcwidth = PADGLYPHWIDTHBYTES(glyphs->end - glyphs->start); + w += (*ppci)->metrics.characterWidth; + } + return w; +} + + +static void +PolyGlyphBltAsSingleBitmap ( + ScrnInfoPtr pScrn, + int nglyph, + FontPtr font, + int xInit, + int yInit, + int nbox, + BoxPtr pbox, + int fg, + int rop, + unsigned planemask +){ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn); + CARD32 *block, *pntr, *bits; + int pitch, topLine, botLine, top, bot, height; + int Left, Right, Top, Bottom; + int LeftEdge, RightEdge; + int bitPitch, shift, size, i, skippix; + NonTEGlyphPtr glyphs = infoRec->GlyphInfo; + Bool extra; + + Left = xInit + infoRec->GlyphInfo[0].start; + Right = xInit + infoRec->GlyphInfo[nglyph - 1].end; + Top = yInit - FONTMAXBOUNDS(font,ascent); + Bottom = yInit + FONTMAXBOUNDS(font,descent); + + /* get into the first band that may contain part of our string */ + while(nbox && (Top >= pbox->y2)) { + pbox++; nbox--; + } + + if(!nbox) return; + + pitch = (Right - Left + 31) >> 5; + size = (pitch << 2) * (Bottom - Top); + block = (CARD32*)xalloc(size); + bzero(block, size); + + topLine = 10000; botLine = -10000; + + while(nglyph--) { + top = -glyphs->yoff; + bot = top + glyphs->height; + if(top < topLine) topLine = top; + if(bot > botLine) botLine = bot; + skippix = glyphs->start - infoRec->GlyphInfo[0].start; + bits = (CARD32*)glyphs->bits; + bitPitch = glyphs->srcwidth >> 2; + pntr = block + ((FONTMAXBOUNDS(font,ascent) + top) * pitch) + + (skippix >> 5); + shift = skippix & 31; + extra = ((shift + glyphs->end - glyphs->start) > 32); + + for(i = top; i < bot; i++) { + *pntr |= SHIFT_L(*bits, shift); + if(extra) + *(pntr + 1) |= SHIFT_R(*bits,32 - shift); + pntr += pitch; + bits += bitPitch; + } + + glyphs++; + } + + pntr = block + ((FONTMAXBOUNDS(font,ascent) + topLine) * pitch); + + Top = yInit + topLine; + Bottom = yInit + botLine; + + while(nbox && (Top >= pbox->y2)) { + pbox++; nbox--; + } + + while(nbox && (Bottom > pbox->y1)) { + LeftEdge = max(Left, pbox->x1); + RightEdge = min(Right, pbox->x2); + + if(RightEdge > LeftEdge) { + skippix = LeftEdge - Left; + topLine = max(Top, pbox->y1); + botLine = min(Bottom, pbox->y2); + height = botLine - topLine; + + if(height > 0) + (*infoRec->WriteBitmap)(pScrn, LeftEdge, topLine, + RightEdge - LeftEdge, height, + (unsigned char*)(pntr + ((topLine - Top) * pitch) + + (skippix >> 5)), + pitch << 2, skippix & 31, fg, -1, rop, planemask); + } + + nbox--; pbox++; + } + + xfree(block); +} + +static void +ImageGlyphBltNonTEColorExpansion( + ScrnInfoPtr pScrn, + int xInit, int yInit, + FontPtr font, + int fg, int bg, + unsigned planemask, + RegionPtr cclip, + int nglyph, + unsigned char* gBase, + CharInfoPtr *ppci +){ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn); + int skippix, skipglyph, width, n, i; + int Left, Right, Top, Bottom; + int LeftEdge, RightEdge, ytop, ybot; + int nbox = REGION_NUM_RECTS(cclip); + BoxPtr pbox = REGION_RECTS(cclip); + Bool AlreadySetup = FALSE; + + width = CollectCharacterInfo(infoRec->GlyphInfo, nglyph, ppci, font); + + /* find our backing rectangle dimensions */ + Left = xInit; + Right = Left + width; + Top = yInit - FONTASCENT(font); + Bottom = yInit + FONTDESCENT(font); + + /* get into the first band that may contain part of our box */ + while(nbox && (Top >= pbox->y2)) { + pbox++; nbox--; + } + + while(nbox && (Bottom >= pbox->y1)) { + /* handle backing rect first */ + LeftEdge = max(Left, pbox->x1); + RightEdge = min(Right, pbox->x2); + if(RightEdge > LeftEdge) { + ytop = max(Top, pbox->y1); + ybot = min(Bottom, pbox->y2); + + if(ybot > ytop) { + if(!AlreadySetup) { + (*infoRec->SetupForSolidFill)(pScrn, bg, GXcopy, planemask); + AlreadySetup = TRUE; + } + (*infoRec->SubsequentSolidFillRect)(pScrn, + LeftEdge, ytop, RightEdge - LeftEdge, ybot - ytop); + } + } + nbox--; pbox++; + } + + nbox = REGION_NUM_RECTS(cclip); + pbox = REGION_RECTS(cclip); + + if(infoRec->WriteBitmap && (nglyph > 1) && + ((FONTMAXBOUNDS(font, rightSideBearing) - + FONTMINBOUNDS(font, leftSideBearing)) <= 32)) + { + PolyGlyphBltAsSingleBitmap(pScrn, nglyph, font, + xInit, yInit, nbox, pbox, + fg, GXcopy, planemask); + + return; + } + + /* compute an approximate but covering bounding box */ + Left = xInit + infoRec->GlyphInfo[0].start; + Right = xInit + infoRec->GlyphInfo[nglyph - 1].end; + Top = yInit - FONTMAXBOUNDS(font,ascent); + Bottom = yInit + FONTMAXBOUNDS(font,descent); + + /* get into the first band that may contain part of our box */ + while(nbox && (Top >= pbox->y2)) { + pbox++; nbox--; + } + + /* stop when the lower edge of the box is beyond our string */ + while(nbox && (Bottom >= pbox->y1)) { + LeftEdge = max(Left, pbox->x1); + RightEdge = min(Right, pbox->x2); + + if(RightEdge > LeftEdge) { /* we're possibly drawing something */ + ytop = max(Top, pbox->y1); + ybot = min(Bottom, pbox->y2); + if(ybot > ytop) { + skippix = LeftEdge - xInit; + skipglyph = 0; + while(skippix >= infoRec->GlyphInfo[skipglyph].end) + skipglyph++; + + skippix = RightEdge - xInit; + n = 0; i = skipglyph; + while((i < nglyph) && (skippix > infoRec->GlyphInfo[i].start)) { + i++; n++; + } + + if(n) (*infoRec->NonTEGlyphRenderer)(pScrn, + xInit, yInit, n, infoRec->GlyphInfo + skipglyph, + pbox, fg, GXcopy, planemask); + } + } + + nbox--; pbox++; + } +} + + +static int +PolyGlyphBltNonTEColorExpansion( + ScrnInfoPtr pScrn, + int xInit, int yInit, + FontPtr font, + int fg, int rop, + unsigned planemask, + RegionPtr cclip, + int nglyph, + unsigned char* gBase, + CharInfoPtr *ppci +){ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn); + int skippix, skipglyph, width, n, i; + int Left, Right, Top, Bottom; + int LeftEdge, RightEdge; + int nbox = REGION_NUM_RECTS(cclip); + BoxPtr pbox = REGION_RECTS(cclip); + + width = CollectCharacterInfo(infoRec->GlyphInfo, nglyph, ppci, font); + + if(!nbox) + return width; + + if((infoRec->WriteBitmap) && (rop == GXcopy) && (nglyph > 1) && + ((FONTMAXBOUNDS(font, rightSideBearing) - + FONTMINBOUNDS(font, leftSideBearing)) <= 32)) { + + PolyGlyphBltAsSingleBitmap(pScrn, nglyph, font, + xInit, yInit, nbox, pbox, + fg, rop, planemask); + + return width; + } + + /* compute an approximate but covering bounding box */ + Left = xInit + infoRec->GlyphInfo[0].start; + Right = xInit + infoRec->GlyphInfo[nglyph - 1].end; + Top = yInit - FONTMAXBOUNDS(font,ascent); + Bottom = yInit + FONTMAXBOUNDS(font,descent); + + /* get into the first band that may contain part of our string */ + while(nbox && (Top >= pbox->y2)) { + pbox++; nbox--; + } + + /* stop when the lower edge of the box is beyond our string */ + while(nbox && (Bottom >= pbox->y1)) { + LeftEdge = max(Left, pbox->x1); + RightEdge = min(Right, pbox->x2); + + if(RightEdge > LeftEdge) { /* we're possibly drawing something */ + + skippix = LeftEdge - xInit; + skipglyph = 0; + while(skippix >= infoRec->GlyphInfo[skipglyph].end) + skipglyph++; + + skippix = RightEdge - xInit; + n = 0; i = skipglyph; + while((i < nglyph) && (skippix > infoRec->GlyphInfo[i].start)) { + i++; n++; + } + + if(n) (*infoRec->NonTEGlyphRenderer)(pScrn, + xInit, yInit, n, infoRec->GlyphInfo + skipglyph, + pbox, fg, rop, planemask); + } + + nbox--; pbox++; + } + return width; +} + + +/* It is possible that the none of the glyphs passed to the + NonTEGlyphRenderer will be drawn. This function being called + indicates that part of the text string's bounding box is visible + but not necessarily that any of the characters are visible */ + +void XAANonTEGlyphRenderer( + ScrnInfoPtr pScrn, + int x, int y, int n, + NonTEGlyphPtr glyphs, + BoxPtr pbox, + int fg, int rop, + unsigned int planemask +){ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn); + int x1, x2, y1, y2, i, w, h, skipleft, skiptop; + unsigned char *src; + + for(i = 0; i < n; i++, glyphs++) { + x1 = x + glyphs->start; + x2 = x + glyphs->end; + y1 = y - glyphs->yoff; + y2 = y1 + glyphs->height; + + if(y1 < pbox->y1) { + skiptop = pbox->y1 - y1; + y1 = pbox->y1; + } else skiptop = 0; + if(y2 > pbox->y2) y2 = pbox->y2; + h = y2 - y1; + if(h <= 0) continue; + + if(x1 < pbox->x1) { + skipleft = pbox->x1 - x1; + x1 = pbox->x1; + } else skipleft = 0; + if(x2 > pbox->x2) x2 = pbox->x2; + + w = x2 - x1; + + if(w > 0) { + src = glyphs->bits + (skiptop * glyphs->srcwidth); + + if(skipleft) { + src += (skipleft >> 5) << 2; + skipleft &= 31; + } + + (*infoRec->WriteBitmap)(pScrn, x1, y1, w, h, src, + glyphs->srcwidth, skipleft, fg, -1, rop, planemask); + } + } + +} |