+++ /dev/null
-/* $XConsortium: cfb8bit.c,v 1.13 94/09/29 20:33:11 dpw Exp $ */
-/*
-
-Copyright (c) 1989, 1994 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.
-
-*/
-
-/*
- * cfb8bit.c
- *
- * 8 bit color frame buffer utility routines
- */
-
-
-#if PSZ == 8
-
-#include "X.h"
-#include "Xmd.h"
-#include "Xproto.h"
-#include "gcstruct.h"
-#include "windowstr.h"
-#include "scrnintstr.h"
-#include "pixmapstr.h"
-#include "regionstr.h"
-#include "cfb.h"
-#include "cfbmskbits.h"
-#include "cfb8bit.h"
-
-PixelGroup cfb8StippleMasks[NUM_MASKS] = {
-#if NUM_MASKS == 16
- 0x00000000, 0x000000ff, 0x0000ff00, 0x0000ffff,
- 0x00ff0000, 0x00ff00ff, 0x00ffff00, 0x00ffffff,
- 0xff000000, 0xff0000ff, 0xff00ff00, 0xff00ffff,
- 0xffff0000, 0xffff00ff, 0xffffff00, 0xffffffff
-#else /* NUM_MASKS == 256 */
- 0x0000000000000000, 0x00000000000000ff,
- 0x000000000000ff00, 0x000000000000ffff,
- 0x0000000000ff0000, 0x0000000000ff00ff,
- 0x0000000000ffff00, 0x0000000000ffffff,
- 0x00000000ff000000, 0x00000000ff0000ff,
- 0x00000000ff00ff00, 0x00000000ff00ffff,
- 0x00000000ffff0000, 0x00000000ffff00ff,
- 0x00000000ffffff00, 0x00000000ffffffff,
- 0x000000ff00000000, 0x000000ff000000ff,
- 0x000000ff0000ff00, 0x000000ff0000ffff,
- 0x000000ff00ff0000, 0x000000ff00ff00ff,
- 0x000000ff00ffff00, 0x000000ff00ffffff,
- 0x000000ffff000000, 0x000000ffff0000ff,
- 0x000000ffff00ff00, 0x000000ffff00ffff,
- 0x000000ffffff0000, 0x000000ffffff00ff,
- 0x000000ffffffff00, 0x000000ffffffffff,
- 0x0000ff0000000000, 0x0000ff00000000ff,
- 0x0000ff000000ff00, 0x0000ff000000ffff,
- 0x0000ff0000ff0000, 0x0000ff0000ff00ff,
- 0x0000ff0000ffff00, 0x0000ff0000ffffff,
- 0x0000ff00ff000000, 0x0000ff00ff0000ff,
- 0x0000ff00ff00ff00, 0x0000ff00ff00ffff,
- 0x0000ff00ffff0000, 0x0000ff00ffff00ff,
- 0x0000ff00ffffff00, 0x0000ff00ffffffff,
- 0x0000ffff00000000, 0x0000ffff000000ff,
- 0x0000ffff0000ff00, 0x0000ffff0000ffff,
- 0x0000ffff00ff0000, 0x0000ffff00ff00ff,
- 0x0000ffff00ffff00, 0x0000ffff00ffffff,
- 0x0000ffffff000000, 0x0000ffffff0000ff,
- 0x0000ffffff00ff00, 0x0000ffffff00ffff,
- 0x0000ffffffff0000, 0x0000ffffffff00ff,
- 0x0000ffffffffff00, 0x0000ffffffffffff,
- 0x00ff000000000000, 0x00ff0000000000ff,
- 0x00ff00000000ff00, 0x00ff00000000ffff,
- 0x00ff000000ff0000, 0x00ff000000ff00ff,
- 0x00ff000000ffff00, 0x00ff000000ffffff,
- 0x00ff0000ff000000, 0x00ff0000ff0000ff,
- 0x00ff0000ff00ff00, 0x00ff0000ff00ffff,
- 0x00ff0000ffff0000, 0x00ff0000ffff00ff,
- 0x00ff0000ffffff00, 0x00ff0000ffffffff,
- 0x00ff00ff00000000, 0x00ff00ff000000ff,
- 0x00ff00ff0000ff00, 0x00ff00ff0000ffff,
- 0x00ff00ff00ff0000, 0x00ff00ff00ff00ff,
- 0x00ff00ff00ffff00, 0x00ff00ff00ffffff,
- 0x00ff00ffff000000, 0x00ff00ffff0000ff,
- 0x00ff00ffff00ff00, 0x00ff00ffff00ffff,
- 0x00ff00ffffff0000, 0x00ff00ffffff00ff,
- 0x00ff00ffffffff00, 0x00ff00ffffffffff,
- 0x00ffff0000000000, 0x00ffff00000000ff,
- 0x00ffff000000ff00, 0x00ffff000000ffff,
- 0x00ffff0000ff0000, 0x00ffff0000ff00ff,
- 0x00ffff0000ffff00, 0x00ffff0000ffffff,
- 0x00ffff00ff000000, 0x00ffff00ff0000ff,
- 0x00ffff00ff00ff00, 0x00ffff00ff00ffff,
- 0x00ffff00ffff0000, 0x00ffff00ffff00ff,
- 0x00ffff00ffffff00, 0x00ffff00ffffffff,
- 0x00ffffff00000000, 0x00ffffff000000ff,
- 0x00ffffff0000ff00, 0x00ffffff0000ffff,
- 0x00ffffff00ff0000, 0x00ffffff00ff00ff,
- 0x00ffffff00ffff00, 0x00ffffff00ffffff,
- 0x00ffffffff000000, 0x00ffffffff0000ff,
- 0x00ffffffff00ff00, 0x00ffffffff00ffff,
- 0x00ffffffffff0000, 0x00ffffffffff00ff,
- 0x00ffffffffffff00, 0x00ffffffffffffff,
- 0xff00000000000000, 0xff000000000000ff,
- 0xff0000000000ff00, 0xff0000000000ffff,
- 0xff00000000ff0000, 0xff00000000ff00ff,
- 0xff00000000ffff00, 0xff00000000ffffff,
- 0xff000000ff000000, 0xff000000ff0000ff,
- 0xff000000ff00ff00, 0xff000000ff00ffff,
- 0xff000000ffff0000, 0xff000000ffff00ff,
- 0xff000000ffffff00, 0xff000000ffffffff,
- 0xff0000ff00000000, 0xff0000ff000000ff,
- 0xff0000ff0000ff00, 0xff0000ff0000ffff,
- 0xff0000ff00ff0000, 0xff0000ff00ff00ff,
- 0xff0000ff00ffff00, 0xff0000ff00ffffff,
- 0xff0000ffff000000, 0xff0000ffff0000ff,
- 0xff0000ffff00ff00, 0xff0000ffff00ffff,
- 0xff0000ffffff0000, 0xff0000ffffff00ff,
- 0xff0000ffffffff00, 0xff0000ffffffffff,
- 0xff00ff0000000000, 0xff00ff00000000ff,
- 0xff00ff000000ff00, 0xff00ff000000ffff,
- 0xff00ff0000ff0000, 0xff00ff0000ff00ff,
- 0xff00ff0000ffff00, 0xff00ff0000ffffff,
- 0xff00ff00ff000000, 0xff00ff00ff0000ff,
- 0xff00ff00ff00ff00, 0xff00ff00ff00ffff,
- 0xff00ff00ffff0000, 0xff00ff00ffff00ff,
- 0xff00ff00ffffff00, 0xff00ff00ffffffff,
- 0xff00ffff00000000, 0xff00ffff000000ff,
- 0xff00ffff0000ff00, 0xff00ffff0000ffff,
- 0xff00ffff00ff0000, 0xff00ffff00ff00ff,
- 0xff00ffff00ffff00, 0xff00ffff00ffffff,
- 0xff00ffffff000000, 0xff00ffffff0000ff,
- 0xff00ffffff00ff00, 0xff00ffffff00ffff,
- 0xff00ffffffff0000, 0xff00ffffffff00ff,
- 0xff00ffffffffff00, 0xff00ffffffffffff,
- 0xffff000000000000, 0xffff0000000000ff,
- 0xffff00000000ff00, 0xffff00000000ffff,
- 0xffff000000ff0000, 0xffff000000ff00ff,
- 0xffff000000ffff00, 0xffff000000ffffff,
- 0xffff0000ff000000, 0xffff0000ff0000ff,
- 0xffff0000ff00ff00, 0xffff0000ff00ffff,
- 0xffff0000ffff0000, 0xffff0000ffff00ff,
- 0xffff0000ffffff00, 0xffff0000ffffffff,
- 0xffff00ff00000000, 0xffff00ff000000ff,
- 0xffff00ff0000ff00, 0xffff00ff0000ffff,
- 0xffff00ff00ff0000, 0xffff00ff00ff00ff,
- 0xffff00ff00ffff00, 0xffff00ff00ffffff,
- 0xffff00ffff000000, 0xffff00ffff0000ff,
- 0xffff00ffff00ff00, 0xffff00ffff00ffff,
- 0xffff00ffffff0000, 0xffff00ffffff00ff,
- 0xffff00ffffffff00, 0xffff00ffffffffff,
- 0xffffff0000000000, 0xffffff00000000ff,
- 0xffffff000000ff00, 0xffffff000000ffff,
- 0xffffff0000ff0000, 0xffffff0000ff00ff,
- 0xffffff0000ffff00, 0xffffff0000ffffff,
- 0xffffff00ff000000, 0xffffff00ff0000ff,
- 0xffffff00ff00ff00, 0xffffff00ff00ffff,
- 0xffffff00ffff0000, 0xffffff00ffff00ff,
- 0xffffff00ffffff00, 0xffffff00ffffffff,
- 0xffffffff00000000, 0xffffffff000000ff,
- 0xffffffff0000ff00, 0xffffffff0000ffff,
- 0xffffffff00ff0000, 0xffffffff00ff00ff,
- 0xffffffff00ffff00, 0xffffffff00ffffff,
- 0xffffffffff000000, 0xffffffffff0000ff,
- 0xffffffffff00ff00, 0xffffffffff00ffff,
- 0xffffffffffff0000, 0xffffffffffff00ff,
- 0xffffffffffffff00, 0xffffffffffffffff
-#endif
-};
-
-int cfb8StippleMode, cfb8StippleAlu, cfb8StippleRRop;
-PixelGroup cfb8StippleFg, cfb8StippleBg, cfb8StipplePm;
-PixelGroup cfb8StippleAnd[NUM_MASKS], cfb8StippleXor[NUM_MASKS];
-
-int
-cfb8SetStipple (alu, fg, planemask)
-int alu;
-unsigned long fg, planemask;
-{
- unsigned long and, xor, rrop;
- int s;
- unsigned long c;
-
- cfb8StippleMode = FillStippled;
- cfb8StippleAlu = alu;
- cfb8StippleFg = fg & PMSK;
- cfb8StipplePm = planemask & PMSK;
- rrop = cfbReduceRasterOp (alu, fg, planemask, &and, &xor);
- cfb8StippleRRop = rrop;
- /*
- * create the appropriate pixel-fill bits for current
- * foreground
- */
- for (s = 0; s < NUM_MASKS; s++)
- {
- c = cfb8StippleMasks[s];
- cfb8StippleAnd[s] = and | ~c;
- cfb8StippleXor[s] = xor & c;
- }
- return TRUE;
-}
-
-
-int
-cfb8SetOpaqueStipple (alu, fg, bg, planemask)
-int alu;
-unsigned long fg, bg, planemask;
-{
- unsigned long andfg, xorfg, andbg, xorbg, rropfg, rropbg;
- int s;
- unsigned long c;
-
- cfb8StippleMode = FillOpaqueStippled;
- cfb8StippleAlu = alu;
- cfb8StippleFg = fg & PMSK;
- cfb8StippleBg = bg & PMSK;
- cfb8StipplePm = planemask & PMSK;
- rropfg = cfbReduceRasterOp (alu, cfb8StippleFg, cfb8StipplePm, &andfg, &xorfg);
- rropbg = cfbReduceRasterOp (alu, cfb8StippleBg, cfb8StipplePm, &andbg, &xorbg);
- if (rropfg == rropbg)
- cfb8StippleRRop = rropfg;
- else
- cfb8StippleRRop = GXset;
- /*
- * create the appropriate pixel-fill bits for current
- * foreground
- */
- for (s = 0; s < NUM_MASKS; s++)
- {
- c = cfb8StippleMasks[s];
- cfb8StippleAnd[s] = (andfg | ~c) & (andbg | c);
- cfb8StippleXor[s] = (xorfg & c) | (xorbg & ~c);
- }
- return TRUE;
-}
-
-/*
- * a grungy little routine. This computes clip masks
- * for partial character blts. Returns rgnOUT if the
- * entire character is clipped; returns rgnIN if the entire
- * character is unclipped; returns rgnPART if a portion of
- * the character is visible. Computes clip masks for each
- * longword of the character -- and those with the
- * contents of the glyph to compute the visible bits.
- */
-
-#if PGSZ == 32
-#if (BITMAP_BIT_ORDER == MSBFirst)
-PixelGroup cfb8BitLenMasks[PGSZ] = {
- 0xffffffff, 0x7fffffff, 0x3fffffff, 0x1fffffff,
- 0x0fffffff, 0x07ffffff, 0x03ffffff, 0x01ffffff,
- 0x00ffffff, 0x007fffff, 0x003fffff, 0x001fffff,
- 0x000fffff, 0x0007ffff, 0x0003ffff, 0x0001ffff,
- 0x0000ffff, 0x00007fff, 0x00003fff, 0x00001fff,
- 0x00000fff, 0x000007ff, 0x000003ff, 0x000001ff,
- 0x000000ff, 0x0000007f, 0x0000003f, 0x0000001f,
- 0x0000000f, 0x00000007, 0x00000003, 0x00000001,
-};
-#else
-PixelGroup cfb8BitLenMasks[PGSZ] = {
- 0xffffffff, 0xfffffffe, 0xfffffffc, 0xfffffff8,
- 0xfffffff0, 0xffffffe0, 0xffffffc0, 0xffffff80,
- 0xffffff00, 0xfffffe00, 0xfffffc00, 0xfffff800,
- 0xfffff000, 0xffffe000, 0xffffc000, 0xffff8000,
- 0xffff0000, 0xfffe0000, 0xfffc0000, 0xfff80000,
- 0xfff00000, 0xffe00000, 0xffc00000, 0xff800000,
- 0xff000000, 0xfe000000, 0xfc000000, 0xf8000000,
- 0xf0000000, 0xe0000000, 0xc0000000, 0x80000000,
-};
-#endif /* BITMAP_BIT_ORDER */
-#else /* PGSZ == 64 */
-#if (BITMAP_BIT_ORDER == MSBFirst)
-PixelGroup cfb8BitLenMasks[PGSZ] = {
- 0xffffffffffffffff, 0x7fffffffffffffff,
- 0x3fffffffffffffff, 0x1fffffffffffffff,
- 0x0fffffffffffffff, 0x07ffffffffffffff,
- 0x03ffffffffffffff, 0x01ffffffffffffff,
- 0x00ffffffffffffff, 0x007fffffffffffff,
- 0x003fffffffffffff, 0x001fffffffffffff,
- 0x000fffffffffffff, 0x0007ffffffffffff,
- 0x0003ffffffffffff, 0x0001ffffffffffff,
- 0x0000ffffffffffff, 0x00007fffffffffff,
- 0x00003fffffffffff, 0x00001fffffffffff,
- 0x00000fffffffffff, 0x000007ffffffffff,
- 0x000003ffffffffff, 0x000001ffffffffff,
- 0x000000ffffffffff, 0x0000007fffffffff,
- 0x0000003fffffffff, 0x0000001fffffffff,
- 0x0000000fffffffff, 0x00000007ffffffff,
- 0x00000003ffffffff, 0x00000001ffffffff,
- 0x00000000ffffffff, 0x000000007fffffff,
- 0x000000003fffffff, 0x000000001fffffff,
- 0x000000000fffffff, 0x0000000007ffffff,
- 0x0000000003ffffff, 0x0000000001ffffff,
- 0x0000000000ffffff, 0x00000000007fffff,
- 0x00000000003fffff, 0x00000000001fffff,
- 0x00000000000fffff, 0x000000000007ffff,
- 0x000000000003ffff, 0x000000000001ffff,
- 0x000000000000ffff, 0x0000000000007fff,
- 0x0000000000003fff, 0x0000000000001fff,
- 0x0000000000000fff, 0x00000000000007ff,
- 0x00000000000003ff, 0x00000000000001ff,
- 0x00000000000000ff, 0x000000000000007f,
- 0x000000000000003f, 0x000000000000001f,
- 0x000000000000000f, 0x0000000000000007,
- 0x0000000000000003, 0x0000000000000001
-};
-#else
-PixelGroup cfb8BitLenMasks[PGSZ] = {
- 0xffffffffffffffff, 0xfffffffffffffffe,
- 0xfffffffffffffffc, 0xfffffffffffffff8,
- 0xfffffffffffffff0, 0xffffffffffffffe0,
- 0xffffffffffffffc0, 0xffffffffffffff80,
- 0xffffffffffffff00, 0xfffffffffffffe00,
- 0xfffffffffffffc00, 0xfffffffffffff800,
- 0xfffffffffffff000, 0xffffffffffffe000,
- 0xffffffffffffc000, 0xffffffffffff8000,
- 0xffffffffffff0000, 0xfffffffffffe0000,
- 0xfffffffffffc0000, 0xfffffffffff80000,
- 0xfffffffffff00000, 0xffffffffffe00000,
- 0xffffffffffc00000, 0xffffffffff800000,
- 0xffffffffff000000, 0xfffffffffe000000,
- 0xfffffffffc000000, 0xfffffffff8000000,
- 0xfffffffff0000000, 0xffffffffe0000000,
- 0xffffffffc0000000, 0xffffffff80000000,
- 0xffffffff00000000, 0xfffffffe00000000,
- 0xfffffffc00000000, 0xfffffff800000000,
- 0xfffffff000000000, 0xffffffe000000000,
- 0xffffffc000000000, 0xffffff8000000000,
- 0xffffff0000000000, 0xfffffe0000000000,
- 0xfffffc0000000000, 0xfffff80000000000,
- 0xfffff00000000000, 0xffffe00000000000,
- 0xffffc00000000000, 0xffff800000000000,
- 0xffff000000000000, 0xfffe000000000000,
- 0xfffc000000000000, 0xfff8000000000000,
- 0xfff0000000000000, 0xffe0000000000000,
- 0xffc0000000000000, 0xff80000000000000,
- 0xff00000000000000, 0xfe00000000000000,
- 0xfc00000000000000, 0xf800000000000000,
- 0xf000000000000000, 0xe000000000000000,
- 0xc000000000000000, 0x8000000000000000
-};
-#endif /* BITMAP_BIT_ORDER */
-#endif /* PGSZ */
-
-
-
-int
-cfb8ComputeClipMasks32 (pBox, numRects, x, y, w, h, clips)
- BoxPtr pBox;
- int numRects;
- int x, y, w, h;
- CARD32 *clips;
-{
- int yBand, yBandBot;
- int ch;
- unsigned long clip;
- int partIN = FALSE, partOUT = FALSE;
- int result;
-
- if (numRects == 0)
- return rgnOUT;
- while (numRects && pBox->y2 <= y)
- {
- --numRects;
- ++pBox;
- }
- if (!numRects || pBox->y1 >= y + h)
- return rgnOUT;
- yBand = pBox->y1;
- while (numRects && pBox->y1 == yBand && pBox->x2 <= x)
- {
- --numRects;
- ++pBox;
- }
- if (!numRects || pBox->y1 >= y + h)
- return rgnOUT;
- if (numRects &&
- x >= pBox->x1 &&
- x + w <= pBox->x2 &&
- y >= pBox->y1 &&
- y + h <= pBox->y2)
- {
- return rgnIN;
- }
- ch = 0;
- while (numRects && pBox->y1 < y + h)
- {
- yBand = pBox->y1;
- yBandBot = pBox->y2;
- while (ch < h && y + ch < yBand)
- {
- partOUT = TRUE;
- clips[ch++] = 0;
- }
- if (ch >= h)
- break;
- while (numRects && pBox->y1 == yBand && pBox->x2 <= x)
- {
- --numRects;
- ++pBox;
- }
- if (!numRects)
- break;
- clip = 0;
- while (numRects && pBox->y1 == yBand && pBox->x1 < x + w)
- {
- if (x < pBox->x1)
- if (pBox->x2 < x + w)
- clip |= cfb8BitLenMasks[pBox->x1 - x] & ~cfb8BitLenMasks[pBox->x2 - x];
- else
- clip |= cfb8BitLenMasks[pBox->x1 - x];
- else
- if (pBox->x2 < x + w)
- clip |= ~cfb8BitLenMasks[pBox->x2 - x];
- else
- clip = ~0;
- --numRects;
- ++pBox;
- }
- if (clip != 0)
- partIN = TRUE;
- if (clip != ~0)
- partOUT = TRUE;
- while (ch < h && y + ch < yBandBot)
- clips[ch++] = clip;
- while (numRects && pBox->y1 == yBand)
- {
- --numRects;
- ++pBox;
- }
- }
- while (ch < h)
- {
- partOUT = TRUE;
- clips[ch++] = 0;
- }
- result = rgnOUT;
- if (partIN)
- {
- if (partOUT)
- result = rgnPART;
- else
- result = rgnIN;
- }
- return result;
-}
-
-#endif /* PSZ == 8 */
projects / rdpsrv / blobdiff