+++ /dev/null
-/*
- * TEGblt - ImageText expanded glyph fonts only. For
- * 8 bit displays, in Copy mode with no clipping.
- */
-
-/*
-
-Copyright (c) 1989 X Consortium
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of the X Consortium shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from the X Consortium.
-*/
-
-/* $XConsortium: cfbteblt8.c,v 5.24 94/09/29 15:26:00 dpw Exp $ */
-
-#if PSZ == 8
-
-#include "X.h"
-#include "Xmd.h"
-#include "Xproto.h"
-#include "cfb.h"
-#include "fontstruct.h"
-#include "dixfontstr.h"
-#include "gcstruct.h"
-#include "windowstr.h"
-#include "scrnintstr.h"
-#include "pixmapstr.h"
-#include "regionstr.h"
-#include "cfbmskbits.h"
-#include "cfb8bit.h"
-
-/*
- * this code supports up to 5 characters at a time. The performance
- * differences between 4 and 5 is usually small (~7% on PMAX) and
- * frequently negative (SPARC and Sun3), so this file is compiled
- * only once for now. If you want to use the other options, you'll
- * need to hack cfbgc.c as well.
- */
-
-#ifndef NGLYPHS
-#define NGLYPHS 4
-#define DO_COMMON
-#endif
-
-#ifdef DO_COMMON
-#define CFBTEGBLT8 cfbTEGlyphBlt8
-#endif
-
-/*
- * On little-endian machines (or where fonts are padded to 32-bit
- * boundaries) we can use some magic to avoid the expense of getleftbits
- */
-
-#if ((BITMAP_BIT_ORDER == LSBFirst && NGLYPHS >= 4) || GLYPHPADBYTES == 4)
-
-#if GLYPHPADBYTES == 1
-typedef unsigned char *glyphPointer;
-#define USE_LEFTBITS
-#endif
-
-#if GLYPHPADBYTES == 2
-typedef unsigned short *glyphPointer;
-#define USE_LEFTBITS
-#endif
-
-#if GLYPHPADBYTES == 4
-typedef unsigned int *glyphPointer;
-#endif
-
-#define GetBitsL c = BitLeft (*leftChar++, lshift)
-#define NGetBits1S(r) c = BitRight(*char1++ r, xoff1)
-#define NGetBits1L(r) GetBitsL | BitRight(*char1++ r, xoff1)
-#define NGetBits1U(r) c = *char1++ r
-#define NGetBits2S(r) NGetBits1S(| BitRight(*char2++ r, widthGlyph))
-#define NGetBits2L(r) NGetBits1L(| BitRight(*char2++ r, widthGlyph))
-#define NGetBits2U(r) NGetBits1U(| BitRight(*char2++ r, widthGlyph))
-#define NGetBits3S(r) NGetBits2S(| BitRight(*char3++ r, widthGlyph))
-#define NGetBits3L(r) NGetBits2L(| BitRight(*char3++ r, widthGlyph))
-#define NGetBits3U(r) NGetBits2U(| BitRight(*char3++ r, widthGlyph))
-#define NGetBits4S(r) NGetBits3S(| BitRight(*char4++ r, widthGlyph))
-#define NGetBits4L(r) NGetBits3L(| BitRight(*char4++ r, widthGlyph))
-#define NGetBits4U(r) NGetBits3U(| BitRight(*char4++ r, widthGlyph))
-#define NGetBits5S(r) NGetBits4S(| BitRight(*char5++ r, widthGlyph))
-#define NGetBits5L(r) NGetBits4L(| BitRight(*char5++ r, widthGlyph))
-#define NGetBits5U(r) NGetBits4U(| BitRight(*char5++ r, widthGlyph))
-#define GetBits1S c = BitRight(*char1++, xoff1)
-#define GetBits1L GetBitsL | BitRight(*char1++, xoff1)
-#define GetBits1U c = *char1++
-#define GetBits2S NGetBits1S(| BitRight(*char2++, widthGlyph))
-#define GetBits2L NGetBits1L(| BitRight(*char2++, widthGlyph))
-#define GetBits2U NGetBits1U(| BitRight(*char2++, widthGlyph))
-#define GetBits3S NGetBits2S(| BitRight(*char3++, widthGlyph))
-#define GetBits3L NGetBits2L(| BitRight(*char3++, widthGlyph))
-#define GetBits3U NGetBits2U(| BitRight(*char3++, widthGlyph))
-#define GetBits4S NGetBits3S(| BitRight(*char4++, widthGlyph))
-#define GetBits4L NGetBits3L(| BitRight(*char4++, widthGlyph))
-#define GetBits4U NGetBits3U(| BitRight(*char4++, widthGlyph))
-#define GetBits5S NGetBits4S(| BitRight(*char5++, widthGlyph))
-#define GetBits5L NGetBits4L(| BitRight(*char5++, widthGlyph))
-#define GetBits5U NGetBits4U(| BitRight(*char5++, widthGlyph))
-
-#else
-
-typedef unsigned int *glyphPointer;
-
-#define USE_LEFTBITS
-#define ALL_LEFTBITS
-
-#define GetBitsL WGetBitsL
-#define GetBits1S WGetBits1S
-#define GetBits1L WGetBits1L
-#define GetBits1U WGetBits1U
-
-#define GetBits2S GetBits1S Get1Bits (char2, tmpSrc) \
- c |= BitRight(tmpSrc, xoff2);
-#define GetBits2L GetBits1L Get1Bits (char2, tmpSrc) \
- c |= BitRight(tmpSrc, xoff2);
-#define GetBits2U GetBits1U Get1Bits (char2, tmpSrc) \
- c |= BitRight(tmpSrc, xoff2);
-
-#define GetBits3S GetBits2S Get1Bits (char3, tmpSrc) \
- c |= BitRight(tmpSrc, xoff3);
-#define GetBits3L GetBits2L Get1Bits (char3, tmpSrc) \
- c |= BitRight(tmpSrc, xoff3);
-#define GetBits3U GetBits2U Get1Bits (char3, tmpSrc) \
- c |= BitRight(tmpSrc, xoff3);
-
-#define GetBits4S GetBits3S Get1Bits (char4, tmpSrc) \
- c |= BitRight(tmpSrc, xoff4);
-#define GetBits4L GetBits3L Get1Bits (char4, tmpSrc) \
- c |= BitRight(tmpSrc, xoff4);
-#define GetBits4U GetBits3U Get1Bits (char4, tmpSrc) \
- c |= BitRight(tmpSrc, xoff4);
-
-#define GetBits5S GetBits4S Get1Bits (char5, tmpSrc) \
- c |= BitRight(tmpSrc, xoff5);
-#define GetBits5L GetBits4L Get1Bits (char5, tmpSrc) \
- c |= BitRight(tmpSrc, xoff5);
-#define GetBits5U GetBits4U Get1Bits (char5, tmpSrc) \
- c |= BitRight(tmpSrc, xoff5);
-
-#endif
-
-#ifdef USE_LEFTBITS
-extern unsigned long endtab[];
-
-#define IncChar(c) (c = (glyphPointer) (((char *) c) + glyphBytes))
-
-#define Get1Bits(ch,dst) glyphbits (ch, widthGlyph, glyphMask, dst); \
- IncChar (ch);
-
-#define glyphbits(bits,width,mask,dst) getleftbits(bits,width,dst); \
- dst &= mask;
-
-#define WGetBitsL Get1Bits(leftChar,c); \
- c = BitLeft (c, lshift);
-#define WGetBits1S Get1Bits (char1, c) \
- c = BitRight (c, xoff1);
-#define WGetBits1L WGetBitsL Get1Bits (char1, tmpSrc) \
- c |= BitRight (tmpSrc, xoff1);
-#define WGetBits1U Get1Bits (char1, c)
-
-#else
-#define WGetBitsL GetBitsL
-#define WGetBits1S GetBits1S
-#define WGetBits1L GetBits1L
-#define WGetBits1U GetBits1U
-#endif
-
-#if NGLYPHS == 2
-# define GetBitsNS GetBits2S
-# define GetBitsNL GetBits2L
-# define GetBitsNU GetBits2U
-# define LastChar char2
-#ifndef CFBTEGBLT8
-# define CFBTEGBLT8 cfbTEGlyphBlt8x2
-#endif
-#endif
-#if NGLYPHS == 3
-# define GetBitsNS GetBits3S
-# define GetBitsNL GetBits3L
-# define GetBitsNU GetBits3U
-# define LastChar char3
-#ifndef CFBTEGBLT8
-# define CFBTEGBLT8 cfbTEGlyphBlt8x3
-#endif
-#endif
-#if NGLYPHS == 4
-# define GetBitsNS GetBits4S
-# define GetBitsNL GetBits4L
-# define GetBitsNU GetBits4U
-# define LastChar char4
-#ifndef CFBTEGBLT8
-# define CFBTEGBLT8 cfbTEGlyphBlt8x4
-#endif
-#endif
-#if NGLYPHS == 5
-# define GetBitsNS GetBits5S
-# define GetBitsNL GetBits5L
-# define GetBitsNU GetBits5U
-# define LastChar char5
-#ifndef CFBTEGBLT8
-# define CFBTEGBLT8 cfbTEGlyphBlt8x5
-#endif
-#endif
-
-/* another ugly giant macro */
-#define SwitchEm switch (ew) \
- { \
- case 0: \
- break; \
- case 1: \
- while (hTmp--) { \
- GetBits; \
- StoreBits0 \
- Loop \
- } \
- break; \
- case 2: \
- while (hTmp--) { \
- GetBits; \
- StoreBits0 FirstStep StoreBits(1) \
- Loop \
- } \
- break; \
- case 3: \
- while (hTmp--) { \
- GetBits; \
- StoreBits0 FirstStep StoreBits(1) Step StoreBits(2) \
- Loop \
- } \
- break; \
- case 4: \
- while (hTmp--) { \
- GetBits; \
- StoreBits0 FirstStep StoreBits(1) Step \
- StoreBits(2) Step StoreBits(3) \
- Loop \
- } \
- break; \
- case 5: \
- while (hTmp--) { \
- GetBits; \
- StoreBits0 FirstStep StoreBits(1) Step \
- StoreBits(2) Step StoreBits(3) Step \
- StoreBits(4) \
- Loop \
- } \
- break; \
- case 6: \
- while (hTmp--) { \
- GetBits; \
- StoreBits0 FirstStep StoreBits(1) Step \
- StoreBits(2) Step StoreBits(3) Step \
- StoreBits(4) Step StoreBits(5) \
- Loop \
- } \
- break; \
- case 7: \
- while (hTmp--) { \
- GetBits; \
- StoreBits0 FirstStep StoreBits(1) Step \
- StoreBits(2) Step StoreBits(3) Step \
- StoreBits(4) Step StoreBits(5) Step \
- StoreBits(6) \
- Loop \
- } \
- break; \
- case 8: \
- while (hTmp--) { \
- GetBits; \
- StoreBits0 FirstStep StoreBits(1) Step \
- StoreBits(2) Step StoreBits(3) Step \
- StoreBits(4) Step StoreBits(5) Step \
- StoreBits(6) Step StoreBits(7) \
- Loop \
- } \
- break; \
- }
-
-#ifdef FAST_CONSTANT_OFFSET_MODE
-#define StorePixels(o,p) dst[o] = p
-#define Loop dst += widthDst;
-#else
-#define StorePixels(o,p) *dst++ = (p)
-#define Loop dst += widthLeft;
-#endif
-
-#define Step NextBitGroup(c);
-
-#if (BITMAP_BIT_ORDER == MSBFirst)
-#define StoreBits(o) StorePixels(o,GetPixelGroup(c));
-#define FirstStep Step
-#else
-#if PGSZ == 64
-#define StoreBits(o) StorePixels(o,cfb8Pixels[(c) & PGSZBMSK]);
-#define FirstStep Step
-#else /* PGSZ == 32 */
-#define StoreBits(o) StorePixels(o,*((unsigned long *) (((char *) cfb8Pixels) + (c & 0x3c))));
-#define FirstStep c = BitLeft (c, 2);
-#endif /* PGSZ */
-#endif /* BITMAP_BIT_ORDER */
-
-
-void
-CFBTEGBLT8 (pDrawable, pGC, xInit, yInit, nglyph, ppci, pglyphBase)
- DrawablePtr pDrawable;
- GC *pGC;
- int xInit, yInit;
- unsigned int nglyph;
- CharInfoPtr *ppci; /* array of character info */
- pointer pglyphBase; /* start of array of glyphs */
-{
- register unsigned long c;
- register unsigned long *dst;
- register unsigned long leftMask, rightMask;
- register int hTmp;
- register int xoff1;
- register glyphPointer char1;
- register glyphPointer char2;
-#if NGLYPHS >= 3
- register glyphPointer char3;
-#endif
-#if NGLYPHS >= 4
- register glyphPointer char4;
-#endif
-#if NGLYPHS >= 5
- register glyphPointer char5;
-#endif
-#ifdef ALL_LEFTBITS
- int xoff2, xoff3, xoff4, xoff5;
-#endif
-
- FontPtr pfont = pGC->font;
- unsigned long *dstLine;
- glyphPointer oldRightChar;
- unsigned long *pdstBase;
- glyphPointer leftChar;
- int widthDst, widthLeft;
- int widthGlyph;
- int h;
- int ew;
- int x, y;
- BoxRec bbox; /* for clipping */
- int lshift;
- int widthGlyphs;
-#ifdef USE_LEFTBITS
- register unsigned long glyphMask;
- register unsigned long tmpSrc;
- register int glyphBytes;
-#endif
-
- widthGlyph = FONTMAXBOUNDS(pfont,characterWidth);
- h = FONTASCENT(pfont) + FONTDESCENT(pfont);
- if (!h)
- return;
- x = xInit + FONTMAXBOUNDS(pfont,leftSideBearing) + pDrawable->x;
- y = yInit - FONTASCENT(pfont) + pDrawable->y;
- bbox.x1 = x;
- bbox.x2 = x + (widthGlyph * nglyph);
- bbox.y1 = y;
- bbox.y2 = y + h;
-
- switch (RECT_IN_REGION(pGC->pScreen, cfbGetCompositeClip(pGC), &bbox))
- {
- case rgnPART:
- cfbImageGlyphBlt8(pDrawable, pGC, xInit, yInit, nglyph, ppci, pglyphBase);
- case rgnOUT:
- return;
- }
-
- if (!cfb8CheckPixels (pGC->fgPixel, pGC->bgPixel))
- cfb8SetPixels (pGC->fgPixel, pGC->bgPixel);
-
- leftChar = 0;
-
- cfbGetLongWidthAndPointer(pDrawable, widthDst, pdstBase)
-
-#if NGLYPHS == 2
- widthGlyphs = widthGlyph << 1;
-#else
-#if NGLYPHS == 4
- widthGlyphs = widthGlyph << 2;
-#else
- widthGlyphs = widthGlyph * NGLYPHS;
-#endif
-#endif
-
-#ifdef USE_LEFTBITS
- glyphMask = endtab[widthGlyph];
- glyphBytes = GLYPHWIDTHBYTESPADDED(*ppci);
-#endif
-
- pdstBase += y * widthDst;
-#ifdef DO_COMMON
- if (widthGlyphs <= 32)
-#endif
- while (nglyph >= NGLYPHS)
- {
- nglyph -= NGLYPHS;
- hTmp = h;
- dstLine = pdstBase + (x >> PWSH);
- xoff1 = x & PIM;
- char1 = (glyphPointer) FONTGLYPHBITS(pglyphBase, *ppci++);
- char2 = (glyphPointer) FONTGLYPHBITS(pglyphBase, *ppci++);
-#ifdef ALL_LEFTBITS
- xoff2 = xoff1 + widthGlyph;
-#endif
-#if NGLYPHS >= 3
- char3 = (glyphPointer) FONTGLYPHBITS(pglyphBase, *ppci++);
-#ifdef ALL_LEFTBITS
- xoff3 = xoff2 + widthGlyph;
-#endif
-#endif
-#if NGLYPHS >= 4
- char4 = (glyphPointer) FONTGLYPHBITS(pglyphBase, *ppci++);
-#ifdef ALL_LEFTBITS
- xoff4 = xoff3 + widthGlyph;
-#endif
-#endif
-#if NGLYPHS >= 5
- char5 = (glyphPointer) FONTGLYPHBITS(pglyphBase, *ppci++);
-#ifdef ALL_LEFTBITS
- xoff5 = xoff4 + widthGlyph;
-#endif
-#endif
- oldRightChar = LastChar;
- dst = dstLine;
- if (xoff1)
- {
- ew = ((widthGlyphs - (PGSZB - xoff1)) >> PWSH) + 1;
-#ifndef FAST_CONSTANT_OFFSET_MODE
- widthLeft = widthDst - ew;
-#endif
- if (!leftChar)
- {
- leftMask = cfbendtab[xoff1];
- rightMask = cfbstarttab[xoff1];
-
-#define StoreBits0 StorePixels (0,dst[0] & leftMask | \
- GetPixelGroup(c) & rightMask);
-#define GetBits GetBitsNS
-
- SwitchEm
-
-#undef GetBits
-#undef StoreBits0
-
- }
- else
- {
- lshift = widthGlyph - xoff1;
-
-#define StoreBits0 StorePixels (0,GetPixelGroup(c));
-#define GetBits GetBitsNL
-
- SwitchEm
-
-#undef GetBits
-#undef StoreBits0
-
- }
- }
- else
- {
-#if NGLYPHS == 4 && PGSZ == 32
- ew = widthGlyph; /* widthGlyphs >> 2 */
-#else
- ew = widthGlyphs >> PWSH;
-#endif
-#ifndef FAST_CONSTANT_OFFSET_MODE
- widthLeft = widthDst - ew;
-#endif
-
-#define StoreBits0 StorePixels (0,GetPixelGroup(c));
-#define GetBits GetBitsNU
-
- SwitchEm
-
-#undef GetBits
-#undef StoreBits0
-
- }
- x += widthGlyphs;
- leftChar = oldRightChar;
- }
- while (nglyph--)
- {
- xoff1 = x & PIM;
- char1 = (glyphPointer) FONTGLYPHBITS(pglyphBase, *ppci++);
- hTmp = h;
- dstLine = pdstBase + (x >> PWSH);
- oldRightChar = char1;
- dst = dstLine;
- if (xoff1)
- {
- ew = ((widthGlyph - (PGSZB - xoff1)) >> PWSH) + 1;
-#ifndef FAST_CONSTANT_OFFSET_MODE
- widthLeft = widthDst - ew;
-#endif
- if (!leftChar)
- {
- leftMask = cfbendtab[xoff1];
- rightMask = cfbstarttab[xoff1];
-
-#define StoreBits0 StorePixels (0,dst[0] & leftMask | GetPixelGroup(c) & rightMask);
-#define GetBits WGetBits1S
-
- SwitchEm
-#undef GetBits
-#undef StoreBits0
-
- }
- else
- {
- lshift = widthGlyph - xoff1;
-
-#define StoreBits0 StorePixels (0,GetPixelGroup(c));
-#define GetBits WGetBits1L
-
- SwitchEm
-#undef GetBits
-#undef StoreBits0
-
- }
- }
- else
- {
- ew = widthGlyph >> PWSH;
-
-#ifndef FAST_CONSTANT_OFFSET_MODE
- widthLeft = widthDst - ew;
-#endif
-
-#define StoreBits0 StorePixels (0,GetPixelGroup(c));
-#define GetBits WGetBits1U
-
- SwitchEm
-
-#undef GetBits
-#undef StoreBits0
-
- }
- x += widthGlyph;
- leftChar = oldRightChar;
- }
- /*
- * draw the tail of the last character
- */
- xoff1 = x & PIM;
- if (xoff1)
- {
- rightMask = cfbstarttab[xoff1];
- leftMask = cfbendtab[xoff1];
- lshift = widthGlyph - xoff1;
- dst = pdstBase + (x >> PWSH);
- hTmp = h;
- while (hTmp--)
- {
- GetBitsL;
- *dst = (*dst & rightMask) | (GetPixelGroup(c) & leftMask);
- dst += widthDst;
- }
- }
-}
-#endif /* PSZ == 8 */
projects / rdpsrv / blobdiff