diff options
Diffstat (limited to 'xorg-server/hw/xfree86/xaa/xaaNonTEText.c')
| -rw-r--r-- | xorg-server/hw/xfree86/xaa/xaaNonTEText.c | 1182 |
1 files changed, 591 insertions, 591 deletions
diff --git a/xorg-server/hw/xfree86/xaa/xaaNonTEText.c b/xorg-server/hw/xfree86/xaa/xaaNonTEText.c index d32c0bbc5..eb798a82b 100644 --- a/xorg-server/hw/xfree86/xaa/xaaNonTEText.c +++ b/xorg-server/hw/xfree86/xaa/xaaNonTEText.c @@ -1,591 +1,591 @@ - -/******************************************************************** - - 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 = xcalloc(1, 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); - } - } - -} +
+/********************************************************************
+
+ 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 = calloc(1, 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++;
+ }
+
+ free(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);
+ }
+ }
+
+}
|