--- /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