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-rw-r--r--pixman/src/ic.c1140
1 files changed, 0 insertions, 1140 deletions
diff --git a/pixman/src/ic.c b/pixman/src/ic.c
deleted file mode 100644
index 6c2369306..000000000
--- a/pixman/src/ic.c
+++ /dev/null
@@ -1,1140 +0,0 @@
-/*
- * Copyright © 2000 SuSE, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of SuSE not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. SuSE makes no representations about the
- * suitability of this software for any purpose. It is provided "as is"
- * without express or implied warranty.
- *
- * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
- * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * Author: Keith Packard, SuSE, Inc.
- */
-
-#include "icint.h"
-
-#ifndef __GNUC__
-#define __inline
-#endif
-
-
-#define cvt8888to0565(s) ((((s) >> 3) & 0x001f) | \
- (((s) >> 5) & 0x07e0) | \
- (((s) >> 8) & 0xf800))
-#define cvt0565to8888(s) (((((s) << 3) & 0xf8) | (((s) >> 2) & 0x7)) | \
- ((((s) << 5) & 0xfc00) | (((s) >> 1) & 0x300)) | \
- ((((s) << 8) & 0xf80000) | (((s) << 3) & 0x70000)))
-
-#if IMAGE_BYTE_ORDER == MSBFirst
-#define Fetch24(a) ((unsigned long) (a) & 1 ? \
- ((*(a) << 16) | *((uint16_t *) ((a)+1))) : \
- ((*((uint16_t *) (a)) << 8) | *((a)+2)))
-#define Store24(a,v) ((unsigned long) (a) & 1 ? \
- ((*(a) = (uint8_t) ((v) >> 16)), \
- (*((uint16_t *) ((a)+1)) = (uint16_t) (v))) : \
- ((*((uint16_t *) (a)) = (uint16_t) ((v) >> 8)), \
- (*((a)+2) = (uint8_t) (v))))
-#else
-#define Fetch24(a) ((unsigned long) (a) & 1 ? \
- ((*(a)) | (*((uint16_t *) ((a)+1)) << 8)) : \
- ((*((uint16_t *) (a))) | (*((a)+2) << 16)))
-#define Store24(a,v) ((unsigned long) (a) & 1 ? \
- ((*(a) = (uint8_t) (v)), \
- (*((uint16_t *) ((a)+1)) = (uint16_t) ((v) >> 8))) : \
- ((*((uint16_t *) (a)) = (uint16_t) (v)),\
- (*((a)+2) = (uint8_t) ((v) >> 16))))
-#endif
-
-static uint32_t
-IcOver (uint32_t x, uint32_t y)
-{
- uint16_t a = ~x >> 24;
- uint16_t t;
- uint32_t m,n,o,p;
-
- m = IcOverU(x,y,0,a,t);
- n = IcOverU(x,y,8,a,t);
- o = IcOverU(x,y,16,a,t);
- p = IcOverU(x,y,24,a,t);
- return m|n|o|p;
-}
-
-static uint32_t
-IcOver24 (uint32_t x, uint32_t y)
-{
- uint16_t a = ~x >> 24;
- uint16_t t;
- uint32_t m,n,o;
-
- m = IcOverU(x,y,0,a,t);
- n = IcOverU(x,y,8,a,t);
- o = IcOverU(x,y,16,a,t);
- return m|n|o;
-}
-
-static uint32_t
-IcIn (uint32_t x, uint8_t y)
-{
- uint16_t a = y;
- uint16_t t;
- uint32_t m,n,o,p;
-
- m = IcInU(x,0,a,t);
- n = IcInU(x,8,a,t);
- o = IcInU(x,16,a,t);
- p = IcInU(x,24,a,t);
- return m|n|o|p;
-}
-
-#define IcComposeGetSolid(image, bits) { \
- IcBits *__bits__; \
- IcStride __stride__; \
- int __bpp__; \
- int __xoff__,__yoff__; \
-\
- IcGetPixels((image)->pixels,__bits__,__stride__,__bpp__,__xoff__,__yoff__); \
- switch (__bpp__) { \
- case 32: \
- (bits) = *(uint32_t *) __bits__; \
- break; \
- case 24: \
- (bits) = Fetch24 ((uint8_t *) __bits__); \
- break; \
- case 16: \
- (bits) = *(uint16_t *) __bits__; \
- (bits) = cvt0565to8888(bits); \
- break; \
- default: \
- return; \
- } \
- /* manage missing src alpha */ \
- if ((image)->image_format.alphaMask == 0) \
- (bits) |= 0xff000000; \
-}
-
-#define IcComposeGetStart(image,x,y,type,stride,line,mul) {\
- IcBits *__bits__; \
- IcStride __stride__; \
- int __bpp__; \
- int __xoff__,__yoff__; \
-\
- IcGetPixels((image)->pixels,__bits__,__stride__,__bpp__,__xoff__,__yoff__); \
- (stride) = __stride__ * sizeof (IcBits) / sizeof (type); \
- (line) = ((type *) __bits__) + (stride) * ((y) - __yoff__) + (mul) * ((x) - __xoff__); \
-}
-
-/*
- * Naming convention:
- *
- * opSRCxMASKxDST
- */
-
-static void
-IcCompositeSolidMask_nx8x8888 (IcOperator op,
- IcImage *iSrc,
- IcImage *iMask,
- IcImage *iDst,
- int16_t xSrc,
- int16_t ySrc,
- int16_t xMask,
- int16_t yMask,
- int16_t xDst,
- int16_t yDst,
- uint16_t width,
- uint16_t height)
-{
- uint32_t src, srca;
- uint32_t *dstLine, *dst, d, dstMask;
- uint8_t *maskLine, *mask, m;
- IcStride dstStride, maskStride;
- uint16_t w;
-
- IcComposeGetSolid(iSrc, src);
-
- dstMask = IcFullMask (iDst->pixels->depth);
- srca = src >> 24;
- if (src == 0)
- return;
-
- IcComposeGetStart (iDst, xDst, yDst, uint32_t, dstStride, dstLine, 1);
- IcComposeGetStart (iMask, xMask, yMask, uint8_t, maskStride, maskLine, 1);
-
- while (height--)
- {
- dst = dstLine;
- dstLine += dstStride;
- mask = maskLine;
- maskLine += maskStride;
- w = width;
-
- while (w--)
- {
- m = *mask++;
- if (m == 0xff)
- {
- if (srca == 0xff)
- *dst = src & dstMask;
- else
- *dst = IcOver (src, *dst) & dstMask;
- }
- else if (m)
- {
- d = IcIn (src, m);
- *dst = IcOver (d, *dst) & dstMask;
- }
- dst++;
- }
- }
-}
-
-static void
-IcCompositeSolidMask_nx8888x8888C (IcOperator op,
- IcImage *iSrc,
- IcImage *iMask,
- IcImage *iDst,
- int16_t xSrc,
- int16_t ySrc,
- int16_t xMask,
- int16_t yMask,
- int16_t xDst,
- int16_t yDst,
- uint16_t width,
- uint16_t height)
-{
- uint32_t src, srca;
- uint32_t *dstLine, *dst, d, dstMask;
- uint32_t *maskLine, *mask, ma;
- IcStride dstStride, maskStride;
- uint16_t w;
- uint32_t m, n, o, p;
-
- IcComposeGetSolid(iSrc, src);
-
- dstMask = IcFullMask (iDst->pixels->depth);
- srca = src >> 24;
- if (src == 0)
- return;
-
- IcComposeGetStart (iDst, xDst, yDst, uint32_t, dstStride, dstLine, 1);
- IcComposeGetStart (iMask, xMask, yMask, uint32_t, maskStride, maskLine, 1);
-
- while (height--)
- {
- dst = dstLine;
- dstLine += dstStride;
- mask = maskLine;
- maskLine += maskStride;
- w = width;
-
- while (w--)
- {
- ma = *mask++;
- if (ma == 0xffffffff)
- {
- if (srca == 0xff)
- *dst = src & dstMask;
- else
- *dst = IcOver (src, *dst) & dstMask;
- }
- else if (ma)
- {
- d = *dst;
-#define IcInOverC(src,srca,msk,dst,i,result) { \
- uint16_t __a = IcGet8(msk,i); \
- uint32_t __t, __ta; \
- uint32_t __i; \
- __t = IcIntMult (IcGet8(src,i), __a,__i); \
- __ta = (uint8_t) ~IcIntMult (srca, __a,__i); \
- __t = __t + IcIntMult(IcGet8(dst,i),__ta,__i); \
- __t = (uint32_t) (uint8_t) (__t | (-(__t >> 8))); \
- result = __t << (i); \
-}
- IcInOverC (src, srca, ma, d, 0, m);
- IcInOverC (src, srca, ma, d, 8, n);
- IcInOverC (src, srca, ma, d, 16, o);
- IcInOverC (src, srca, ma, d, 24, p);
- *dst = m|n|o|p;
- }
- dst++;
- }
- }
-}
-
-static void
-IcCompositeSolidMask_nx8x0888 (IcOperator op,
- IcImage *iSrc,
- IcImage *iMask,
- IcImage *iDst,
- int16_t xSrc,
- int16_t ySrc,
- int16_t xMask,
- int16_t yMask,
- int16_t xDst,
- int16_t yDst,
- uint16_t width,
- uint16_t height)
-{
- uint32_t src, srca;
- uint8_t *dstLine, *dst;
- uint32_t d;
- uint8_t *maskLine, *mask, m;
- IcStride dstStride, maskStride;
- uint16_t w;
-
- IcComposeGetSolid(iSrc, src);
-
- srca = src >> 24;
- if (src == 0)
- return;
-
- IcComposeGetStart (iDst, xDst, yDst, uint8_t, dstStride, dstLine, 3);
- IcComposeGetStart (iMask, xMask, yMask, uint8_t, maskStride, maskLine, 1);
-
- while (height--)
- {
- dst = dstLine;
- dstLine += dstStride;
- mask = maskLine;
- maskLine += maskStride;
- w = width;
-
- while (w--)
- {
- m = *mask++;
- if (m == 0xff)
- {
- if (srca == 0xff)
- d = src;
- else
- {
- d = Fetch24(dst);
- d = IcOver24 (src, d);
- }
- Store24(dst,d);
- }
- else if (m)
- {
- d = IcOver24 (IcIn(src,m), Fetch24(dst));
- Store24(dst,d);
- }
- dst += 3;
- }
- }
-}
-
-static void
-IcCompositeSolidMask_nx8x0565 (IcOperator op,
- IcImage *iSrc,
- IcImage *iMask,
- IcImage *iDst,
- int16_t xSrc,
- int16_t ySrc,
- int16_t xMask,
- int16_t yMask,
- int16_t xDst,
- int16_t yDst,
- uint16_t width,
- uint16_t height)
-{
- uint32_t src, srca;
- uint16_t *dstLine, *dst;
- uint32_t d;
- uint8_t *maskLine, *mask, m;
- IcStride dstStride, maskStride;
- uint16_t w;
-
- IcComposeGetSolid(iSrc, src);
-
- srca = src >> 24;
- if (src == 0)
- return;
-
- IcComposeGetStart (iDst, xDst, yDst, uint16_t, dstStride, dstLine, 1);
- IcComposeGetStart (iMask, xMask, yMask, uint8_t, maskStride, maskLine, 1);
-
- while (height--)
- {
- dst = dstLine;
- dstLine += dstStride;
- mask = maskLine;
- maskLine += maskStride;
- w = width;
-
- while (w--)
- {
- m = *mask++;
- if (m == 0xff)
- {
- if (srca == 0xff)
- d = src;
- else
- {
- d = *dst;
- d = IcOver24 (src, cvt0565to8888(d));
- }
- *dst = cvt8888to0565(d);
- }
- else if (m)
- {
- d = *dst;
- d = IcOver24 (IcIn(src,m), cvt0565to8888(d));
- *dst = cvt8888to0565(d);
- }
- dst++;
- }
- }
-}
-
-static void
-IcCompositeSolidMask_nx8888x0565C (IcOperator op,
- IcImage *iSrc,
- IcImage *iMask,
- IcImage *iDst,
- int16_t xSrc,
- int16_t ySrc,
- int16_t xMask,
- int16_t yMask,
- int16_t xDst,
- int16_t yDst,
- uint16_t width,
- uint16_t height)
-{
- uint32_t src, srca;
- uint16_t src16;
- uint16_t *dstLine, *dst;
- uint32_t d;
- uint32_t *maskLine, *mask, ma;
- IcStride dstStride, maskStride;
- uint16_t w;
- uint32_t m, n, o;
-
- IcComposeGetSolid(iSrc, src);
-
- srca = src >> 24;
- if (src == 0)
- return;
-
- src16 = cvt8888to0565(src);
-
- IcComposeGetStart (iDst, xDst, yDst, uint16_t, dstStride, dstLine, 1);
- IcComposeGetStart (iMask, xMask, yMask, uint32_t, maskStride, maskLine, 1);
-
- while (height--)
- {
- dst = dstLine;
- dstLine += dstStride;
- mask = maskLine;
- maskLine += maskStride;
- w = width;
-
- while (w--)
- {
- ma = *mask++;
- if (ma == 0xffffffff)
- {
- if (srca == 0xff)
- {
- *dst = src16;
- }
- else
- {
- d = *dst;
- d = IcOver24 (src, cvt0565to8888(d));
- *dst = cvt8888to0565(d);
- }
- }
- else if (ma)
- {
- d = *dst;
- d = cvt0565to8888(d);
- IcInOverC (src, srca, ma, d, 0, m);
- IcInOverC (src, srca, ma, d, 8, n);
- IcInOverC (src, srca, ma, d, 16, o);
- d = m|n|o;
- *dst = cvt8888to0565(d);
- }
- dst++;
- }
- }
-}
-
-static void
-IcCompositeSrc_8888x8888 (IcOperator op,
- IcImage *iSrc,
- IcImage *iMask,
- IcImage *iDst,
- int16_t xSrc,
- int16_t ySrc,
- int16_t xMask,
- int16_t yMask,
- int16_t xDst,
- int16_t yDst,
- uint16_t width,
- uint16_t height)
-{
- uint32_t *dstLine, *dst, dstMask;
- uint32_t *srcLine, *src, s;
- IcStride dstStride, srcStride;
- uint8_t a;
- uint16_t w;
-
- IcComposeGetStart (iDst, xDst, yDst, uint32_t, dstStride, dstLine, 1);
- IcComposeGetStart (iSrc, xSrc, ySrc, uint32_t, srcStride, srcLine, 1);
-
- dstMask = IcFullMask (iDst->pixels->depth);
-
- while (height--)
- {
- dst = dstLine;
- dstLine += dstStride;
- src = srcLine;
- srcLine += srcStride;
- w = width;
-
- while (w--)
- {
- s = *src++;
- a = s >> 24;
- if (a == 0xff)
- *dst = s & dstMask;
- else if (a)
- *dst = IcOver (s, *dst) & dstMask;
- dst++;
- }
- }
-}
-
-static void
-IcCompositeSrc_8888x0888 (IcOperator op,
- IcImage *iSrc,
- IcImage *iMask,
- IcImage *iDst,
- int16_t xSrc,
- int16_t ySrc,
- int16_t xMask,
- int16_t yMask,
- int16_t xDst,
- int16_t yDst,
- uint16_t width,
- uint16_t height)
-{
- uint8_t *dstLine, *dst;
- uint32_t d;
- uint32_t *srcLine, *src, s;
- uint8_t a;
- IcStride dstStride, srcStride;
- uint16_t w;
-
- IcComposeGetStart (iDst, xDst, yDst, uint8_t, dstStride, dstLine, 3);
- IcComposeGetStart (iSrc, xSrc, ySrc, uint32_t, srcStride, srcLine, 1);
-
- while (height--)
- {
- dst = dstLine;
- dstLine += dstStride;
- src = srcLine;
- srcLine += srcStride;
- w = width;
-
- while (w--)
- {
- s = *src++;
- a = s >> 24;
- if (a)
- {
- if (a == 0xff)
- d = s;
- else
- d = IcOver24 (s, Fetch24(dst));
- Store24(dst,d);
- }
- dst += 3;
- }
- }
-}
-
-static void
-IcCompositeSrc_8888x0565 (IcOperator op,
- IcImage *iSrc,
- IcImage *iMask,
- IcImage *iDst,
- int16_t xSrc,
- int16_t ySrc,
- int16_t xMask,
- int16_t yMask,
- int16_t xDst,
- int16_t yDst,
- uint16_t width,
- uint16_t height)
-{
- uint16_t *dstLine, *dst;
- uint32_t d;
- uint32_t *srcLine, *src, s;
- uint8_t a;
- IcStride dstStride, srcStride;
- uint16_t w;
-
- IcComposeGetStart (iSrc, xSrc, ySrc, uint32_t, srcStride, srcLine, 1);
- IcComposeGetStart (iDst, xDst, yDst, uint16_t, dstStride, dstLine, 1);
-
- while (height--)
- {
- dst = dstLine;
- dstLine += dstStride;
- src = srcLine;
- srcLine += srcStride;
- w = width;
-
- while (w--)
- {
- s = *src++;
- a = s >> 24;
- if (a)
- {
- if (a == 0xff)
- d = s;
- else
- {
- d = *dst;
- d = IcOver24 (s, cvt0565to8888(d));
- }
- *dst = cvt8888to0565(d);
- }
- dst++;
- }
- }
-}
-
-static void
-IcCompositeSrc_0565x0565 (IcOperator op,
- IcImage *iSrc,
- IcImage *iMask,
- IcImage *iDst,
- int16_t xSrc,
- int16_t ySrc,
- int16_t xMask,
- int16_t yMask,
- int16_t xDst,
- int16_t yDst,
- uint16_t width,
- uint16_t height)
-{
- uint16_t *dstLine, *dst;
- uint16_t *srcLine, *src;
- IcStride dstStride, srcStride;
- uint16_t w;
-
- IcComposeGetStart (iSrc, xSrc, ySrc, uint16_t, srcStride, srcLine, 1);
-
- IcComposeGetStart (iDst, xDst, yDst, uint16_t, dstStride, dstLine, 1);
-
- while (height--)
- {
- dst = dstLine;
- dstLine += dstStride;
- src = srcLine;
- srcLine += srcStride;
- w = width;
-
- while (w--)
- *dst++ = *src++;
- }
-}
-
-static void
-IcCompositeSrcAdd_8000x8000 (IcOperator op,
- IcImage *iSrc,
- IcImage *iMask,
- IcImage *iDst,
- int16_t xSrc,
- int16_t ySrc,
- int16_t xMask,
- int16_t yMask,
- int16_t xDst,
- int16_t yDst,
- uint16_t width,
- uint16_t height)
-{
- uint8_t *dstLine, *dst;
- uint8_t *srcLine, *src;
- IcStride dstStride, srcStride;
- uint8_t w;
- uint8_t s, d;
- uint16_t t;
-
- IcComposeGetStart (iSrc, xSrc, ySrc, uint8_t, srcStride, srcLine, 1);
- IcComposeGetStart (iDst, xDst, yDst, uint8_t, dstStride, dstLine, 1);
-
- while (height--)
- {
- dst = dstLine;
- dstLine += dstStride;
- src = srcLine;
- srcLine += srcStride;
- w = width;
-
- while (w--)
- {
- s = *src++;
- if (s != 0xff)
- {
- d = *dst;
- t = d + s;
- s = t | (0 - (t >> 8));
- }
- *dst++ = s;
- }
- }
-}
-
-static void
-IcCompositeSrcAdd_8888x8888 (IcOperator op,
- IcImage *iSrc,
- IcImage *iMask,
- IcImage *iDst,
- int16_t xSrc,
- int16_t ySrc,
- int16_t xMask,
- int16_t yMask,
- int16_t xDst,
- int16_t yDst,
- uint16_t width,
- uint16_t height)
-{
- uint32_t *dstLine, *dst;
- uint32_t *srcLine, *src;
- IcStride dstStride, srcStride;
- uint16_t w;
- uint32_t s, d;
- uint16_t t;
- uint32_t m,n,o,p;
-
- IcComposeGetStart (iSrc, xSrc, ySrc, uint32_t, srcStride, srcLine, 1);
- IcComposeGetStart (iDst, xDst, yDst, uint32_t, dstStride, dstLine, 1);
-
- while (height--)
- {
- dst = dstLine;
- dstLine += dstStride;
- src = srcLine;
- srcLine += srcStride;
- w = width;
-
- while (w--)
- {
- s = *src++;
- if (s != 0xffffffff)
- {
- d = *dst;
- if (d)
- {
- m = IcAdd(s,d,0,t);
- n = IcAdd(s,d,8,t);
- o = IcAdd(s,d,16,t);
- p = IcAdd(s,d,24,t);
- s = m|n|o|p;
- }
- }
- *dst++ = s;
- }
- }
-}
-
-static void
-IcCompositeSrcAdd_1000x1000 (IcOperator op,
- IcImage *iSrc,
- IcImage *iMask,
- IcImage *iDst,
- int16_t xSrc,
- int16_t ySrc,
- int16_t xMask,
- int16_t yMask,
- int16_t xDst,
- int16_t yDst,
- uint16_t width,
- uint16_t height)
-{
- IcBits *dstBits, *srcBits;
- IcStride dstStride, srcStride;
- int dstBpp, srcBpp;
- int dstXoff, dstYoff;
- int srcXoff, srcYoff;
-
- IcGetPixels(iSrc->pixels, srcBits, srcStride, srcBpp, srcXoff, srcYoff);
-
- IcGetPixels(iDst->pixels, dstBits, dstStride, dstBpp, dstXoff, dstYoff);
-
- IcBlt (srcBits + srcStride * (ySrc + srcYoff),
- srcStride,
- xSrc + srcXoff,
-
- dstBits + dstStride * (yDst + dstYoff),
- dstStride,
- xDst + dstXoff,
-
- width,
- height,
-
- GXor,
- IC_ALLONES,
- srcBpp,
-
- 0,
- 0);
-}
-
-static void
-IcCompositeSolidMask_nx1xn (IcOperator op,
- IcImage *iSrc,
- IcImage *iMask,
- IcImage *iDst,
- int16_t xSrc,
- int16_t ySrc,
- int16_t xMask,
- int16_t yMask,
- int16_t xDst,
- int16_t yDst,
- uint16_t width,
- uint16_t height)
-{
- IcBits *dstBits;
- IcStip *maskBits;
- IcStride dstStride, maskStride;
- int dstBpp, maskBpp;
- int dstXoff, dstYoff;
- int maskXoff, maskYoff;
- IcBits src;
-
- IcComposeGetSolid(iSrc, src);
-
- if ((src & 0xff000000) != 0xff000000)
- {
- IcCompositeGeneral (op, iSrc, iMask, iDst,
- xSrc, ySrc, xMask, yMask, xDst, yDst,
- width, height);
- return;
- }
- IcGetStipPixels (iMask->pixels, maskBits, maskStride, maskBpp, maskXoff, maskYoff);
- IcGetPixels (iDst->pixels, dstBits, dstStride, dstBpp, dstXoff, dstYoff);
-
- switch (dstBpp) {
- case 32:
- break;
- case 24:
- break;
- case 16:
- src = cvt8888to0565(src);
- break;
- }
-
- src = IcReplicatePixel (src, dstBpp);
-
- IcBltOne (maskBits + maskStride * (yMask + maskYoff),
- maskStride,
- xMask + maskXoff,
-
- dstBits + dstStride * (yDst + dstYoff),
- dstStride,
- (xDst + dstXoff) * dstBpp,
- dstBpp,
-
- width * dstBpp,
- height,
-
- 0x0,
- src,
- IC_ALLONES,
- 0x0);
-}
-
-# define mod(a,b) ((b) == 1 ? 0 : (a) >= 0 ? (a) % (b) : (b) - (-a) % (b))
-
-void
-IcComposite (IcOperator op,
- IcImage *iSrc,
- IcImage *iMask,
- IcImage *iDst,
- int xSrc,
- int ySrc,
- int xMask,
- int yMask,
- int xDst,
- int yDst,
- int width,
- int height)
-{
- PixRegion *region;
- int n;
- PixRegionBox *pbox;
- CompositeFunc func;
- int srcRepeat = iSrc->repeat;
- int maskRepeat = 0;
- int srcAlphaMap = iSrc->alphaMap != 0;
- int maskAlphaMap = 0;
- int dstAlphaMap = iDst->alphaMap != 0;
- int x_msk, y_msk, x_src, y_src, x_dst, y_dst;
- int w, h, w_this, h_this;
-
- xDst += iDst->pixels->x;
- yDst += iDst->pixels->y;
- xSrc += iSrc->pixels->x;
- ySrc += iSrc->pixels->y;
- if (iMask)
- {
- xMask += iMask->pixels->x;
- yMask += iMask->pixels->y;
- maskRepeat = iMask->repeat;
- maskAlphaMap = iMask->alphaMap != 0;
- }
-
- region = PixRegionCreate();
- PixRegionUnionRect (region, region, xDst, yDst, width, height);
-
- if (!IcComputeCompositeRegion (region,
- iSrc,
- iMask,
- iDst,
- xSrc,
- ySrc,
- xMask,
- yMask,
- xDst,
- yDst,
- width,
- height))
- return;
-
- func = IcCompositeGeneral;
- if (!iSrc->transform && !(iMask && iMask->transform))
- if (!maskAlphaMap && !srcAlphaMap && !dstAlphaMap)
- switch (op) {
- case IcOperatorOver:
- if (iMask)
- {
- if (srcRepeat &&
- iSrc->pixels->width == 1 &&
- iSrc->pixels->height == 1)
- {
- srcRepeat = 0;
- if (PICT_FORMAT_COLOR(iSrc->format_code)) {
- switch (iMask->format_code) {
- case PICT_a8:
- switch (iDst->format_code) {
- case PICT_r5g6b5:
- case PICT_b5g6r5:
- func = IcCompositeSolidMask_nx8x0565;
- break;
- case PICT_r8g8b8:
- case PICT_b8g8r8:
- func = IcCompositeSolidMask_nx8x0888;
- break;
- case PICT_a8r8g8b8:
- case PICT_x8r8g8b8:
- case PICT_a8b8g8r8:
- case PICT_x8b8g8r8:
- func = IcCompositeSolidMask_nx8x8888;
- break;
- }
- break;
- case PICT_a8r8g8b8:
- if (iMask->componentAlpha) {
- switch (iDst->format_code) {
- case PICT_a8r8g8b8:
- case PICT_x8r8g8b8:
- func = IcCompositeSolidMask_nx8888x8888C;
- break;
- case PICT_r5g6b5:
- func = IcCompositeSolidMask_nx8888x0565C;
- break;
- }
- }
- break;
- case PICT_a8b8g8r8:
- if (iMask->componentAlpha) {
- switch (iDst->format_code) {
- case PICT_a8b8g8r8:
- case PICT_x8b8g8r8:
- func = IcCompositeSolidMask_nx8888x8888C;
- break;
- case PICT_b5g6r5:
- func = IcCompositeSolidMask_nx8888x0565C;
- break;
- }
- }
- break;
- case PICT_a1:
- switch (iDst->format_code) {
- case PICT_r5g6b5:
- case PICT_b5g6r5:
- case PICT_r8g8b8:
- case PICT_b8g8r8:
- case PICT_a8r8g8b8:
- case PICT_x8r8g8b8:
- case PICT_a8b8g8r8:
- case PICT_x8b8g8r8:
- func = IcCompositeSolidMask_nx1xn;
- break;
- }
- }
- }
- }
- }
- else
- {
- switch (iSrc->format_code) {
- case PICT_a8r8g8b8:
- case PICT_x8r8g8b8:
- switch (iDst->format_code) {
- case PICT_a8r8g8b8:
- case PICT_x8r8g8b8:
- func = IcCompositeSrc_8888x8888;
- break;
- case PICT_r8g8b8:
- func = IcCompositeSrc_8888x0888;
- break;
- case PICT_r5g6b5:
- func = IcCompositeSrc_8888x0565;
- break;
- }
- break;
- case PICT_a8b8g8r8:
- case PICT_x8b8g8r8:
- switch (iDst->format_code) {
- case PICT_a8b8g8r8:
- case PICT_x8b8g8r8:
- func = IcCompositeSrc_8888x8888;
- break;
- case PICT_b8g8r8:
- func = IcCompositeSrc_8888x0888;
- break;
- case PICT_b5g6r5:
- func = IcCompositeSrc_8888x0565;
- break;
- }
- break;
- case PICT_r5g6b5:
- switch (iDst->format_code) {
- case PICT_r5g6b5:
- func = IcCompositeSrc_0565x0565;
- break;
- }
- break;
- case PICT_b5g6r5:
- switch (iDst->format_code) {
- case PICT_b5g6r5:
- func = IcCompositeSrc_0565x0565;
- break;
- }
- break;
- }
- }
- break;
- case IcOperatorAdd:
- if (iMask == 0)
- {
- switch (iSrc->format_code) {
- case PICT_a8r8g8b8:
- switch (iDst->format_code) {
- case PICT_a8r8g8b8:
- func = IcCompositeSrcAdd_8888x8888;
- break;
- }
- break;
- case PICT_a8b8g8r8:
- switch (iDst->format_code) {
- case PICT_a8b8g8r8:
- func = IcCompositeSrcAdd_8888x8888;
- break;
- }
- break;
- case PICT_a8:
- switch (iDst->format_code) {
- case PICT_a8:
- func = IcCompositeSrcAdd_8000x8000;
- break;
- }
- break;
- case PICT_a1:
- switch (iDst->format_code) {
- case PICT_a1:
- func = IcCompositeSrcAdd_1000x1000;
- break;
- }
- break;
- }
- }
- break;
- default:
- func = IcCompositeGeneral;
- break;
- }
- n = PixRegionNumRects (region);
- pbox = PixRegionRects (region);
- while (n--)
- {
- h = pbox->y2 - pbox->y1;
- y_src = pbox->y1 - yDst + ySrc;
- y_msk = pbox->y1 - yDst + yMask;
- y_dst = pbox->y1;
- while (h)
- {
- h_this = h;
- w = pbox->x2 - pbox->x1;
- x_src = pbox->x1 - xDst + xSrc;
- x_msk = pbox->x1 - xDst + xMask;
- x_dst = pbox->x1;
- if (maskRepeat)
- {
- y_msk = mod (y_msk, iMask->pixels->height);
- if (h_this > iMask->pixels->height - y_msk)
- h_this = iMask->pixels->height - y_msk;
- }
- if (srcRepeat)
- {
- y_src = mod (y_src, iSrc->pixels->height);
- if (h_this > iSrc->pixels->height - y_src)
- h_this = iSrc->pixels->height - y_src;
- }
- while (w)
- {
- w_this = w;
- if (maskRepeat)
- {
- x_msk = mod (x_msk, iMask->pixels->width);
- if (w_this > iMask->pixels->width - x_msk)
- w_this = iMask->pixels->width - x_msk;
- }
- if (srcRepeat)
- {
- x_src = mod (x_src, iSrc->pixels->width);
- if (w_this > iSrc->pixels->width - x_src)
- w_this = iSrc->pixels->width - x_src;
- }
- (*func) (op, iSrc, iMask, iDst,
- x_src, y_src, x_msk, y_msk, x_dst, y_dst,
- w_this, h_this);
- w -= w_this;
- x_src += w_this;
- x_msk += w_this;
- x_dst += w_this;
- }
- h -= h_this;
- y_src += h_this;
- y_msk += h_this;
- y_dst += h_this;
- }
- pbox++;
- }
- PixRegionDestroy (region);
-}
-slim_hidden_def(IcComposite);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-26 03:39:09 +0000