diff options
Diffstat (limited to 'hw/xfree86/xaa/xaaNonTEText.c')
-rw-r--r-- | hw/xfree86/xaa/xaaNonTEText.c | 591 |
1 files changed, 0 insertions, 591 deletions
diff --git a/hw/xfree86/xaa/xaaNonTEText.c b/hw/xfree86/xaa/xaaNonTEText.c deleted file mode 100644 index 35b43912b..000000000 --- a/hw/xfree86/xaa/xaaNonTEText.c +++ /dev/null @@ -1,591 +0,0 @@ - -/******************************************************************** - - 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 (!RegionNumRects(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 (!RegionNumRects(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 (!RegionNumRects(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 (!RegionNumRects(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 = RegionNumRects(cclip); - BoxPtr pbox = RegionRects(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 = RegionNumRects(cclip); - pbox = RegionRects(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 = RegionNumRects(cclip); - BoxPtr pbox = RegionRects(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); - } - } - -} |