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-rw-r--r--pixman/src/iccompose.c2713
1 files changed, 0 insertions, 2713 deletions
diff --git a/pixman/src/iccompose.c b/pixman/src/iccompose.c
deleted file mode 100644
index 7d9a63c65..000000000
--- a/pixman/src/iccompose.c
+++ /dev/null
@@ -1,2713 +0,0 @@
-/*
- * Copyright © 2000 Keith Packard
- *
- * 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 Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Keith Packard makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD 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.
- */
-
-
-#include "icint.h"
-
-/*
- * General purpose compositing code optimized for minimal memory
- * references
- *
- * All work is done on canonical ARGB values, functions for fetching
- * and storing these exist for each format.
- */
-
-/*
- * Combine src and mask using IN
- */
-
-static uint32_t
-IcCombineMaskU (IcCompositeOperand *src,
- IcCompositeOperand *msk)
-{
- uint32_t x;
- uint16_t a;
- uint16_t t;
- uint32_t m,n,o,p;
-
- if (!msk)
- return (*src->fetch) (src);
-
- a = (*msk->fetch) (msk) >> 24;
- if (!a)
- return 0;
-
- x = (*src->fetch) (src);
- if (a == 0xff)
- return x;
-
- 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;
-}
-
-static IcCompSrc
-IcCombineMaskC (IcCompositeOperand *src,
- IcCompositeOperand *msk)
-{
- IcCompSrc s;
- uint32_t x;
- uint32_t a;
- uint16_t xa;
- uint16_t t;
- uint32_t m,n,o,p;
-
- if (!msk)
- {
- x = (*src->fetch) (src);
- s.value = x;
- x = x >> 24;
- x |= x << 8;
- x |= x << 16;
- s.alpha = x;
- return s;
- }
-
- a = (*msk->fetcha) (msk);
- if (!a)
- {
- s.value = 0;
- s.alpha = 0;
- return s;
- }
-
- x = (*src->fetch) (src);
- if (a == 0xffffffff)
- {
- s.value = x;
- x = x >> 24;
- x |= x << 8;
- x |= x << 16;
- s.alpha = x;
- return s;
- }
-
- m = IcInC(x,0,a,t);
- n = IcInC(x,8,a,t);
- o = IcInC(x,16,a,t);
- p = IcInC(x,24,a,t);
- s.value = m|n|o|p;
- xa = x >> 24;
- m = IcInU(a,0,xa,t);
- n = IcInU(a,8,xa,t);
- o = IcInU(a,16,xa,t);
- p = IcInU(a,24,xa,t);
- s.alpha = m|n|o|p;
- return s;
-}
-
-static uint32_t
-IcCombineMaskValueC (IcCompositeOperand *src,
- IcCompositeOperand *msk)
-{
- uint32_t x;
- uint32_t a;
- uint16_t t;
- uint32_t m,n,o,p;
-
- if (!msk)
- {
- return (*src->fetch) (src);
- }
-
- a = (*msk->fetcha) (msk);
- if (!a)
- return a;
-
- x = (*src->fetch) (src);
- if (a == 0xffffffff)
- return x;
-
- m = IcInC(x,0,a,t);
- n = IcInC(x,8,a,t);
- o = IcInC(x,16,a,t);
- p = IcInC(x,24,a,t);
- return m|n|o|p;
-}
-
-/*
- * Combine src and mask using IN, generating only the alpha component
- */
-static uint32_t
-IcCombineMaskAlphaU (IcCompositeOperand *src,
- IcCompositeOperand *msk)
-{
- uint32_t x;
- uint16_t a;
- uint16_t t;
-
- if (!msk)
- return (*src->fetch) (src);
-
- a = (*msk->fetch) (msk) >> 24;
- if (!a)
- return 0;
-
- x = (*src->fetch) (src);
- if (a == 0xff)
- return x;
-
- return IcInU(x,24,a,t);
-}
-
-static uint32_t
-IcCombineMaskAlphaC (IcCompositeOperand *src,
- IcCompositeOperand *msk)
-{
- uint32_t x;
- uint32_t a;
- uint16_t t;
- uint32_t m,n,o,p;
-
- if (!msk)
- return (*src->fetch) (src);
-
- a = (*msk->fetcha) (msk);
- if (!a)
- return 0;
-
- x = (*src->fetcha) (src);
- if (a == 0xffffffff)
- return x;
-
- m = IcInC(x,0,a,t);
- n = IcInC(x,8,a,t);
- o = IcInC(x,16,a,t);
- p = IcInC(x,24,a,t);
- return m|n|o|p;
-}
-
-/*
- * All of the composing functions
- */
-static void
-IcCombineClear (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- (*dst->store) (dst, 0);
-}
-
-static void
-IcCombineSrcU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- (*dst->store) (dst, IcCombineMaskU (src, msk));
-}
-
-static void
-IcCombineSrcC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- (*dst->store) (dst, IcCombineMaskValueC (src, msk));
-}
-
-static void
-IcCombineDst (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- /* noop */
-}
-
-static void
-IcCombineOverU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- uint32_t s, d;
- uint16_t a;
- uint16_t t;
- uint32_t m,n,o,p;
-
- s = IcCombineMaskU (src, msk);
- a = ~s >> 24;
- if (a != 0xff)
- {
- if (a)
- {
- d = (*dst->fetch) (dst);
- m = IcOverU(s,d,0,a,t);
- n = IcOverU(s,d,8,a,t);
- o = IcOverU(s,d,16,a,t);
- p = IcOverU(s,d,24,a,t);
- s = m|n|o|p;
- }
- (*dst->store) (dst, s);
- }
-}
-
-static void
-IcCombineOverC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCompSrc cs;
- uint32_t s, d;
- uint32_t a;
- uint16_t t;
- uint32_t m,n,o,p;
-
- cs = IcCombineMaskC (src, msk);
- s = cs.value;
- a = ~cs.alpha;
- if (a != 0xffffffff)
- {
- if (a)
- {
- d = (*dst->fetch) (dst);
- m = IcOverC(s,d,0,a,t);
- n = IcOverC(s,d,8,a,t);
- o = IcOverC(s,d,16,a,t);
- p = IcOverC(s,d,24,a,t);
- s = m|n|o|p;
- }
- (*dst->store) (dst, s);
- }
-}
-
-static void
-IcCombineOverReverseU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- uint32_t s, d;
- uint16_t a;
- uint16_t t;
- uint32_t m,n,o,p;
-
- d = (*dst->fetch) (dst);
- a = ~d >> 24;
- if (a)
- {
- s = IcCombineMaskU (src, msk);
- if (a != 0xff)
- {
- m = IcOverU(d,s,0,a,t);
- n = IcOverU(d,s,8,a,t);
- o = IcOverU(d,s,16,a,t);
- p = IcOverU(d,s,24,a,t);
- s = m|n|o|p;
- }
- (*dst->store) (dst, s);
- }
-}
-
-static void
-IcCombineOverReverseC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- uint32_t s, d;
- uint32_t a;
- uint16_t t;
- uint32_t m,n,o,p;
-
- d = (*dst->fetch) (dst);
- a = ~d >> 24;
- if (a)
- {
- s = IcCombineMaskValueC (src, msk);
- if (a != 0xff)
- {
- m = IcOverU(d,s,0,a,t);
- n = IcOverU(d,s,8,a,t);
- o = IcOverU(d,s,16,a,t);
- p = IcOverU(d,s,24,a,t);
- s = m|n|o|p;
- }
- (*dst->store) (dst, s);
- }
-}
-
-static void
-IcCombineInU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- uint32_t s, d;
- uint16_t a;
- uint16_t t;
- uint32_t m,n,o,p;
-
- d = (*dst->fetch) (dst);
- a = d >> 24;
- s = 0;
- if (a)
- {
- s = IcCombineMaskU (src, msk);
- if (a != 0xff)
- {
- m = IcInU(s,0,a,t);
- n = IcInU(s,8,a,t);
- o = IcInU(s,16,a,t);
- p = IcInU(s,24,a,t);
- s = m|n|o|p;
- }
- }
- (*dst->store) (dst, s);
-}
-
-static void
-IcCombineInC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- uint32_t s, d;
- uint16_t a;
- uint16_t t;
- uint32_t m,n,o,p;
-
- d = (*dst->fetch) (dst);
- a = d >> 24;
- s = 0;
- if (a)
- {
- s = IcCombineMaskValueC (src, msk);
- if (a != 0xff)
- {
- m = IcInU(s,0,a,t);
- n = IcInU(s,8,a,t);
- o = IcInU(s,16,a,t);
- p = IcInU(s,24,a,t);
- s = m|n|o|p;
- }
- }
- (*dst->store) (dst, s);
-}
-
-static void
-IcCombineInReverseU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- uint32_t s, d;
- uint16_t a;
- uint16_t t;
- uint32_t m,n,o,p;
-
- s = IcCombineMaskAlphaU (src, msk);
- a = s >> 24;
- if (a != 0xff)
- {
- d = 0;
- if (a)
- {
- d = (*dst->fetch) (dst);
- m = IcInU(d,0,a,t);
- n = IcInU(d,8,a,t);
- o = IcInU(d,16,a,t);
- p = IcInU(d,24,a,t);
- d = m|n|o|p;
- }
- (*dst->store) (dst, d);
- }
-}
-
-static void
-IcCombineInReverseC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- uint32_t s, d;
- uint32_t a;
- uint16_t t;
- uint32_t m,n,o,p;
-
- s = IcCombineMaskAlphaC (src, msk);
- a = s;
- if (a != 0xffffffff)
- {
- d = 0;
- if (a)
- {
- d = (*dst->fetch) (dst);
- m = IcInC(d,0,a,t);
- n = IcInC(d,8,a,t);
- o = IcInC(d,16,a,t);
- p = IcInC(d,24,a,t);
- d = m|n|o|p;
- }
- (*dst->store) (dst, d);
- }
-}
-
-static void
-IcCombineOutU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- uint32_t s, d;
- uint16_t a;
- uint16_t t;
- uint32_t m,n,o,p;
-
- d = (*dst->fetch) (dst);
- a = ~d >> 24;
- s = 0;
- if (a)
- {
- s = IcCombineMaskU (src, msk);
- if (a != 0xff)
- {
- m = IcInU(s,0,a,t);
- n = IcInU(s,8,a,t);
- o = IcInU(s,16,a,t);
- p = IcInU(s,24,a,t);
- s = m|n|o|p;
- }
- }
- (*dst->store) (dst, s);
-}
-
-static void
-IcCombineOutC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- uint32_t s, d;
- uint16_t a;
- uint16_t t;
- uint32_t m,n,o,p;
-
- d = (*dst->fetch) (dst);
- a = ~d >> 24;
- s = 0;
- if (a)
- {
- s = IcCombineMaskValueC (src, msk);
- if (a != 0xff)
- {
- m = IcInU(s,0,a,t);
- n = IcInU(s,8,a,t);
- o = IcInU(s,16,a,t);
- p = IcInU(s,24,a,t);
- s = m|n|o|p;
- }
- }
- (*dst->store) (dst, s);
-}
-
-static void
-IcCombineOutReverseU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- uint32_t s, d;
- uint16_t a;
- uint16_t t;
- uint32_t m,n,o,p;
-
- s = IcCombineMaskAlphaU (src, msk);
- a = ~s >> 24;
- if (a != 0xff)
- {
- d = 0;
- if (a)
- {
- d = (*dst->fetch) (dst);
- m = IcInU(d,0,a,t);
- n = IcInU(d,8,a,t);
- o = IcInU(d,16,a,t);
- p = IcInU(d,24,a,t);
- d = m|n|o|p;
- }
- (*dst->store) (dst, d);
- }
-}
-
-static void
-IcCombineOutReverseC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- uint32_t s, d;
- uint32_t a;
- uint16_t t;
- uint32_t m,n,o,p;
-
- s = IcCombineMaskAlphaC (src, msk);
- a = ~s;
- if (a != 0xffffffff)
- {
- d = 0;
- if (a)
- {
- d = (*dst->fetch) (dst);
- m = IcInC(d,0,a,t);
- n = IcInC(d,8,a,t);
- o = IcInC(d,16,a,t);
- p = IcInC(d,24,a,t);
- d = m|n|o|p;
- }
- (*dst->store) (dst, d);
- }
-}
-
-static void
-IcCombineAtopU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- uint32_t s, d;
- uint16_t ad, as;
- uint16_t t,u,v;
- uint32_t m,n,o,p;
-
- s = IcCombineMaskU (src, msk);
- d = (*dst->fetch) (dst);
- ad = ~s >> 24;
- as = d >> 24;
- m = IcGen(s,d,0,as,ad,t,u,v);
- n = IcGen(s,d,8,as,ad,t,u,v);
- o = IcGen(s,d,16,as,ad,t,u,v);
- p = IcGen(s,d,24,as,ad,t,u,v);
- (*dst->store) (dst, m|n|o|p);
-}
-
-static void
-IcCombineAtopC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCompSrc cs;
- uint32_t s, d;
- uint32_t ad;
- uint16_t as;
- uint16_t t, u, v;
- uint32_t m,n,o,p;
-
- cs = IcCombineMaskC (src, msk);
- d = (*dst->fetch) (dst);
- s = cs.value;
- ad = cs.alpha;
- as = d >> 24;
- m = IcGen(s,d,0,as,IcGet8(ad,0),t,u,v);
- n = IcGen(s,d,8,as,IcGet8(ad,8),t,u,v);
- o = IcGen(s,d,16,as,IcGet8(ad,16),t,u,v);
- p = IcGen(s,d,24,as,IcGet8(ad,24),t,u,v);
- (*dst->store) (dst, m|n|o|p);
-}
-
-static void
-IcCombineAtopReverseU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- uint32_t s, d;
- uint16_t ad, as;
- uint16_t t, u, v;
- uint32_t m,n,o,p;
-
- s = IcCombineMaskU (src, msk);
- d = (*dst->fetch) (dst);
- ad = s >> 24;
- as = ~d >> 24;
- m = IcGen(s,d,0,as,ad,t,u,v);
- n = IcGen(s,d,8,as,ad,t,u,v);
- o = IcGen(s,d,16,as,ad,t,u,v);
- p = IcGen(s,d,24,as,ad,t,u,v);
- (*dst->store) (dst, m|n|o|p);
-}
-
-static void
-IcCombineAtopReverseC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCompSrc cs;
- uint32_t s, d, ad;
- uint16_t as;
- uint16_t t, u, v;
- uint32_t m,n,o,p;
-
- cs = IcCombineMaskC (src, msk);
- d = (*dst->fetch) (dst);
- s = cs.value;
- ad = cs.alpha;
- as = ~d >> 24;
- m = IcGen(s,d,0,as,IcGet8(ad,0),t,u,v);
- n = IcGen(s,d,8,as,IcGet8(ad,8),t,u,v);
- o = IcGen(s,d,16,as,IcGet8(ad,16),t,u,v);
- p = IcGen(s,d,24,as,IcGet8(ad,24),t,u,v);
- (*dst->store) (dst, m|n|o|p);
-}
-
-static void
-IcCombineXorU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- uint32_t s, d;
- uint16_t ad, as;
- uint16_t t, u, v;
- uint32_t m,n,o,p;
-
- s = IcCombineMaskU (src, msk);
- d = (*dst->fetch) (dst);
- ad = ~s >> 24;
- as = ~d >> 24;
- m = IcGen(s,d,0,as,ad,t,u,v);
- n = IcGen(s,d,8,as,ad,t,u,v);
- o = IcGen(s,d,16,as,ad,t,u,v);
- p = IcGen(s,d,24,as,ad,t,u,v);
- (*dst->store) (dst, m|n|o|p);
-}
-
-static void
-IcCombineXorC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCompSrc cs;
- uint32_t s, d, ad;
- uint16_t as;
- uint16_t t, u, v;
- uint32_t m,n,o,p;
-
- cs = IcCombineMaskC (src, msk);
- d = (*dst->fetch) (dst);
- s = cs.value;
- ad = ~cs.alpha;
- as = ~d >> 24;
- m = IcGen(s,d,0,as,ad,t,u,v);
- n = IcGen(s,d,8,as,ad,t,u,v);
- o = IcGen(s,d,16,as,ad,t,u,v);
- p = IcGen(s,d,24,as,ad,t,u,v);
- (*dst->store) (dst, m|n|o|p);
-}
-
-static void
-IcCombineAddU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- uint32_t s, d;
- uint16_t t;
- uint32_t m,n,o,p;
-
- s = IcCombineMaskU (src, msk);
- if (s == ~0)
- (*dst->store) (dst, s);
- else
- {
- d = (*dst->fetch) (dst);
- if (s && d != ~0)
- {
- m = IcAdd(s,d,0,t);
- n = IcAdd(s,d,8,t);
- o = IcAdd(s,d,16,t);
- p = IcAdd(s,d,24,t);
- (*dst->store) (dst, m|n|o|p);
- }
- }
-}
-
-static void
-IcCombineAddC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- uint32_t s, d;
- uint16_t t;
- uint32_t m,n,o,p;
-
- s = IcCombineMaskValueC (src, msk);
- if (s == ~0)
- (*dst->store) (dst, s);
- else
- {
- d = (*dst->fetch) (dst);
- if (s && d != ~0)
- {
- m = IcAdd(s,d,0,t);
- n = IcAdd(s,d,8,t);
- o = IcAdd(s,d,16,t);
- p = IcAdd(s,d,24,t);
- (*dst->store) (dst, m|n|o|p);
- }
- }
-}
-
-/*
- * All of the disjoint composing functions
-
- The four entries in the first column indicate what source contributions
- come from each of the four areas of the picture -- areas covered by neither
- A nor B, areas covered only by A, areas covered only by B and finally
- areas covered by both A and B.
-
- Disjoint Conjoint
- Fa Fb Fa Fb
-(0,0,0,0) 0 0 0 0
-(0,A,0,A) 1 0 1 0
-(0,0,B,B) 0 1 0 1
-(0,A,B,A) 1 min((1-a)/b,1) 1 max(1-a/b,0)
-(0,A,B,B) min((1-b)/a,1) 1 max(1-b/a,0) 1
-(0,0,0,A) max(1-(1-b)/a,0) 0 min(1,b/a) 0
-(0,0,0,B) 0 max(1-(1-a)/b,0) 0 min(a/b,1)
-(0,A,0,0) min(1,(1-b)/a) 0 max(1-b/a,0) 0
-(0,0,B,0) 0 min(1,(1-a)/b) 0 max(1-a/b,0)
-(0,0,B,A) max(1-(1-b)/a,0) min(1,(1-a)/b) min(1,b/a) max(1-a/b,0)
-(0,A,0,B) min(1,(1-b)/a) max(1-(1-a)/b,0) max(1-b/a,0) min(1,a/b)
-(0,A,B,0) min(1,(1-b)/a) min(1,(1-a)/b) max(1-b/a,0) max(1-a/b,0)
-
- */
-
-#define CombineAOut 1
-#define CombineAIn 2
-#define CombineBOut 4
-#define CombineBIn 8
-
-#define CombineClear 0
-#define CombineA (CombineAOut|CombineAIn)
-#define CombineB (CombineBOut|CombineBIn)
-#define CombineAOver (CombineAOut|CombineBOut|CombineAIn)
-#define CombineBOver (CombineAOut|CombineBOut|CombineBIn)
-#define CombineAAtop (CombineBOut|CombineAIn)
-#define CombineBAtop (CombineAOut|CombineBIn)
-#define CombineXor (CombineAOut|CombineBOut)
-
-/* portion covered by a but not b */
-static uint8_t
-IcCombineDisjointOutPart (uint8_t a, uint8_t b)
-{
- /* min (1, (1-b) / a) */
-
- b = ~b; /* 1 - b */
- if (b >= a) /* 1 - b >= a -> (1-b)/a >= 1 */
- return 0xff; /* 1 */
- return IcIntDiv(b,a); /* (1-b) / a */
-}
-
-/* portion covered by both a and b */
-static uint8_t
-IcCombineDisjointInPart (uint8_t a, uint8_t b)
-{
- /* max (1-(1-b)/a,0) */
- /* = - min ((1-b)/a - 1, 0) */
- /* = 1 - min (1, (1-b)/a) */
-
- b = ~b; /* 1 - b */
- if (b >= a) /* 1 - b >= a -> (1-b)/a >= 1 */
- return 0; /* 1 - 1 */
- return ~IcIntDiv(b,a); /* 1 - (1-b) / a */
-}
-
-static void
-IcCombineDisjointGeneralU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst,
- uint8_t combine)
-{
- uint32_t s, d;
- uint32_t m,n,o,p;
- uint16_t Fa, Fb, t, u, v;
- uint8_t sa, da;
-
- s = IcCombineMaskU (src, msk);
- sa = s >> 24;
-
- d = (*dst->fetch) (dst);
- da = d >> 24;
-
- switch (combine & CombineA) {
- default:
- Fa = 0;
- break;
- case CombineAOut:
- Fa = IcCombineDisjointOutPart (sa, da);
- break;
- case CombineAIn:
- Fa = IcCombineDisjointInPart (sa, da);
- break;
- case CombineA:
- Fa = 0xff;
- break;
- }
-
- switch (combine & CombineB) {
- default:
- Fb = 0;
- break;
- case CombineBOut:
- Fb = IcCombineDisjointOutPart (da, sa);
- break;
- case CombineBIn:
- Fb = IcCombineDisjointInPart (da, sa);
- break;
- case CombineB:
- Fb = 0xff;
- break;
- }
- m = IcGen (s,d,0,Fa,Fb,t,u,v);
- n = IcGen (s,d,8,Fa,Fb,t,u,v);
- o = IcGen (s,d,16,Fa,Fb,t,u,v);
- p = IcGen (s,d,24,Fa,Fb,t,u,v);
- s = m|n|o|p;
- (*dst->store) (dst, s);
-}
-
-static void
-IcCombineDisjointGeneralC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst,
- uint8_t combine)
-{
- IcCompSrc cs;
- uint32_t s, d;
- uint32_t m,n,o,p;
- uint32_t Fa;
- uint16_t Fb, t, u, v;
- uint32_t sa;
- uint8_t da;
-
- cs = IcCombineMaskC (src, msk);
- s = cs.value;
- sa = cs.alpha;
-
- d = (*dst->fetch) (dst);
- da = d >> 24;
-
- switch (combine & CombineA) {
- default:
- Fa = 0;
- break;
- case CombineAOut:
- m = IcCombineDisjointOutPart ((uint8_t) (sa >> 0), da);
- n = IcCombineDisjointOutPart ((uint8_t) (sa >> 8), da) << 8;
- o = IcCombineDisjointOutPart ((uint8_t) (sa >> 16), da) << 16;
- p = IcCombineDisjointOutPart ((uint8_t) (sa >> 24), da) << 24;
- Fa = m|n|o|p;
- break;
- case CombineAIn:
- m = IcCombineDisjointOutPart ((uint8_t) (sa >> 0), da);
- n = IcCombineDisjointOutPart ((uint8_t) (sa >> 8), da) << 8;
- o = IcCombineDisjointOutPart ((uint8_t) (sa >> 16), da) << 16;
- p = IcCombineDisjointOutPart ((uint8_t) (sa >> 24), da) << 24;
- Fa = m|n|o|p;
- break;
- case CombineA:
- Fa = 0xffffffff;
- break;
- }
-
- switch (combine & CombineB) {
- default:
- Fb = 0;
- break;
- case CombineBOut:
- Fb = IcCombineDisjointOutPart (da, sa);
- break;
- case CombineBIn:
- Fb = IcCombineDisjointInPart (da, sa);
- break;
- case CombineB:
- Fb = 0xff;
- break;
- }
- m = IcGen (s,d,0,IcGet8(Fa,0),Fb,t,u,v);
- n = IcGen (s,d,8,IcGet8(Fa,8),Fb,t,u,v);
- o = IcGen (s,d,16,IcGet8(Fa,16),Fb,t,u,v);
- p = IcGen (s,d,24,IcGet8(Fa,24),Fb,t,u,v);
- s = m|n|o|p;
- (*dst->store) (dst, s);
-}
-
-static void
-IcCombineDisjointOverU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- uint32_t s, d;
- uint16_t a;
- uint16_t t;
- uint32_t m,n,o,p;
-
- s = IcCombineMaskU (src, msk);
- a = s >> 24;
- if (a != 0x00)
- {
- if (a != 0xff)
- {
- d = (*dst->fetch) (dst);
- a = IcCombineDisjointOutPart (d >> 24, a);
- m = IcOverU(s,d,0,a,t);
- n = IcOverU(s,d,8,a,t);
- o = IcOverU(s,d,16,a,t);
- p = IcOverU(s,d,24,a,t);
- s = m|n|o|p;
- }
- (*dst->store) (dst, s);
- }
-}
-
-static void
-IcCombineDisjointOverC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineDisjointGeneralC (src, msk, dst, CombineAOver);
-}
-
-static void
-IcCombineDisjointOverReverseU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineDisjointGeneralU (src, msk, dst, CombineBOver);
-}
-
-static void
-IcCombineDisjointOverReverseC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineDisjointGeneralC (src, msk, dst, CombineBOver);
-}
-
-static void
-IcCombineDisjointInU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineDisjointGeneralU (src, msk, dst, CombineAIn);
-}
-
-static void
-IcCombineDisjointInC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineDisjointGeneralC (src, msk, dst, CombineAIn);
-}
-
-static void
-IcCombineDisjointInReverseU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineDisjointGeneralU (src, msk, dst, CombineBIn);
-}
-
-static void
-IcCombineDisjointInReverseC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineDisjointGeneralC (src, msk, dst, CombineBIn);
-}
-
-static void
-IcCombineDisjointOutU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineDisjointGeneralU (src, msk, dst, CombineAOut);
-}
-
-static void
-IcCombineDisjointOutC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineDisjointGeneralC (src, msk, dst, CombineAOut);
-}
-
-static void
-IcCombineDisjointOutReverseU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineDisjointGeneralU (src, msk, dst, CombineBOut);
-}
-
-static void
-IcCombineDisjointOutReverseC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineDisjointGeneralC (src, msk, dst, CombineBOut);
-}
-
-static void
-IcCombineDisjointAtopU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineDisjointGeneralU (src, msk, dst, CombineAAtop);
-}
-
-static void
-IcCombineDisjointAtopC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineDisjointGeneralC (src, msk, dst, CombineAAtop);
-}
-
-static void
-IcCombineDisjointAtopReverseU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineDisjointGeneralU (src, msk, dst, CombineBAtop);
-}
-
-static void
-IcCombineDisjointAtopReverseC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineDisjointGeneralC (src, msk, dst, CombineBAtop);
-}
-
-static void
-IcCombineDisjointXorU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineDisjointGeneralU (src, msk, dst, CombineXor);
-}
-
-static void
-IcCombineDisjointXorC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineDisjointGeneralC (src, msk, dst, CombineXor);
-}
-
-/* portion covered by a but not b */
-static uint8_t
-IcCombineConjointOutPart (uint8_t a, uint8_t b)
-{
- /* max (1-b/a,0) */
- /* = 1-min(b/a,1) */
-
- /* min (1, (1-b) / a) */
-
- if (b >= a) /* b >= a -> b/a >= 1 */
- return 0x00; /* 0 */
- return ~IcIntDiv(b,a); /* 1 - b/a */
-}
-
-/* portion covered by both a and b */
-static uint8_t
-IcCombineConjointInPart (uint8_t a, uint8_t b)
-{
- /* min (1,b/a) */
-
- if (b >= a) /* b >= a -> b/a >= 1 */
- return 0xff; /* 1 */
- return IcIntDiv(b,a); /* b/a */
-}
-
-static void
-IcCombineConjointGeneralU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst,
- uint8_t combine)
-{
- uint32_t s, d;
- uint32_t m,n,o,p;
- uint16_t Fa, Fb, t, u, v;
- uint8_t sa, da;
-
- s = IcCombineMaskU (src, msk);
- sa = s >> 24;
-
- d = (*dst->fetch) (dst);
- da = d >> 24;
-
- switch (combine & CombineA) {
- default:
- Fa = 0;
- break;
- case CombineAOut:
- Fa = IcCombineConjointOutPart (sa, da);
- break;
- case CombineAIn:
- Fa = IcCombineConjointInPart (sa, da);
- break;
- case CombineA:
- Fa = 0xff;
- break;
- }
-
- switch (combine & CombineB) {
- default:
- Fb = 0;
- break;
- case CombineBOut:
- Fb = IcCombineConjointOutPart (da, sa);
- break;
- case CombineBIn:
- Fb = IcCombineConjointInPart (da, sa);
- break;
- case CombineB:
- Fb = 0xff;
- break;
- }
- m = IcGen (s,d,0,Fa,Fb,t,u,v);
- n = IcGen (s,d,8,Fa,Fb,t,u,v);
- o = IcGen (s,d,16,Fa,Fb,t,u,v);
- p = IcGen (s,d,24,Fa,Fb,t,u,v);
- s = m|n|o|p;
- (*dst->store) (dst, s);
-}
-
-static void
-IcCombineConjointGeneralC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst,
- uint8_t combine)
-{
- IcCompSrc cs;
- uint32_t s, d;
- uint32_t m,n,o,p;
- uint32_t Fa;
- uint16_t Fb, t, u, v;
- uint32_t sa;
- uint8_t da;
-
- cs = IcCombineMaskC (src, msk);
- s = cs.value;
- sa = cs.alpha;
-
- d = (*dst->fetch) (dst);
- da = d >> 24;
-
- switch (combine & CombineA) {
- default:
- Fa = 0;
- break;
- case CombineAOut:
- m = IcCombineConjointOutPart ((uint8_t) (sa >> 0), da);
- n = IcCombineConjointOutPart ((uint8_t) (sa >> 8), da) << 8;
- o = IcCombineConjointOutPart ((uint8_t) (sa >> 16), da) << 16;
- p = IcCombineConjointOutPart ((uint8_t) (sa >> 24), da) << 24;
- Fa = m|n|o|p;
- break;
- case CombineAIn:
- m = IcCombineConjointOutPart ((uint8_t) (sa >> 0), da);
- n = IcCombineConjointOutPart ((uint8_t) (sa >> 8), da) << 8;
- o = IcCombineConjointOutPart ((uint8_t) (sa >> 16), da) << 16;
- p = IcCombineConjointOutPart ((uint8_t) (sa >> 24), da) << 24;
- Fa = m|n|o|p;
- break;
- case CombineA:
- Fa = 0xffffffff;
- break;
- }
-
- switch (combine & CombineB) {
- default:
- Fb = 0;
- break;
- case CombineBOut:
- Fb = IcCombineConjointOutPart (da, sa);
- break;
- case CombineBIn:
- Fb = IcCombineConjointInPart (da, sa);
- break;
- case CombineB:
- Fb = 0xff;
- break;
- }
- m = IcGen (s,d,0,IcGet8(Fa,0),Fb,t,u,v);
- n = IcGen (s,d,8,IcGet8(Fa,8),Fb,t,u,v);
- o = IcGen (s,d,16,IcGet8(Fa,16),Fb,t,u,v);
- p = IcGen (s,d,24,IcGet8(Fa,24),Fb,t,u,v);
- s = m|n|o|p;
- (*dst->store) (dst, s);
-}
-
-static void
-IcCombineConjointOverU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineConjointGeneralU (src, msk, dst, CombineAOver);
-/*
- uint32_t s, d;
- uint16_t a;
- uint16_t t;
- uint32_t m,n,o,p;
-
- s = IcCombineMaskU (src, msk);
- a = s >> 24;
- if (a != 0x00)
- {
- if (a != 0xff)
- {
- d = (*dst->fetch) (dst);
- a = IcCombineConjointOutPart (d >> 24, a);
- m = IcOverU(s,d,0,a,t);
- n = IcOverU(s,d,8,a,t);
- o = IcOverU(s,d,16,a,t);
- p = IcOverU(s,d,24,a,t);
- s = m|n|o|p;
- }
- (*dst->store) (dst, s);
- }
- */
-}
-
-static void
-IcCombineConjointOverC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineConjointGeneralC (src, msk, dst, CombineAOver);
-}
-
-static void
-IcCombineConjointOverReverseU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineConjointGeneralU (src, msk, dst, CombineBOver);
-}
-
-static void
-IcCombineConjointOverReverseC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineConjointGeneralC (src, msk, dst, CombineBOver);
-}
-
-static void
-IcCombineConjointInU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineConjointGeneralU (src, msk, dst, CombineAIn);
-}
-
-static void
-IcCombineConjointInC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineConjointGeneralC (src, msk, dst, CombineAIn);
-}
-
-static void
-IcCombineConjointInReverseU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineConjointGeneralU (src, msk, dst, CombineBIn);
-}
-
-static void
-IcCombineConjointInReverseC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineConjointGeneralC (src, msk, dst, CombineBIn);
-}
-
-static void
-IcCombineConjointOutU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineConjointGeneralU (src, msk, dst, CombineAOut);
-}
-
-static void
-IcCombineConjointOutC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineConjointGeneralC (src, msk, dst, CombineAOut);
-}
-
-static void
-IcCombineConjointOutReverseU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineConjointGeneralU (src, msk, dst, CombineBOut);
-}
-
-static void
-IcCombineConjointOutReverseC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineConjointGeneralC (src, msk, dst, CombineBOut);
-}
-
-static void
-IcCombineConjointAtopU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineConjointGeneralU (src, msk, dst, CombineAAtop);
-}
-
-static void
-IcCombineConjointAtopC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineConjointGeneralC (src, msk, dst, CombineAAtop);
-}
-
-static void
-IcCombineConjointAtopReverseU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineConjointGeneralU (src, msk, dst, CombineBAtop);
-}
-
-static void
-IcCombineConjointAtopReverseC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineConjointGeneralC (src, msk, dst, CombineBAtop);
-}
-
-static void
-IcCombineConjointXorU (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineConjointGeneralU (src, msk, dst, CombineXor);
-}
-
-static void
-IcCombineConjointXorC (IcCompositeOperand *src,
- IcCompositeOperand *msk,
- IcCompositeOperand *dst)
-{
- IcCombineConjointGeneralC (src, msk, dst, CombineXor);
-}
-
-static IcCombineFunc const IcCombineFuncU[] = {
- IcCombineClear,
- IcCombineSrcU,
- IcCombineDst,
- IcCombineOverU,
- IcCombineOverReverseU,
- IcCombineInU,
- IcCombineInReverseU,
- IcCombineOutU,
- IcCombineOutReverseU,
- IcCombineAtopU,
- IcCombineAtopReverseU,
- IcCombineXorU,
- IcCombineAddU,
- IcCombineDisjointOverU, /* Saturate */
- 0,
- 0,
- IcCombineClear,
- IcCombineSrcU,
- IcCombineDst,
- IcCombineDisjointOverU,
- IcCombineDisjointOverReverseU,
- IcCombineDisjointInU,
- IcCombineDisjointInReverseU,
- IcCombineDisjointOutU,
- IcCombineDisjointOutReverseU,
- IcCombineDisjointAtopU,
- IcCombineDisjointAtopReverseU,
- IcCombineDisjointXorU,
- 0,
- 0,
- 0,
- 0,
- IcCombineClear,
- IcCombineSrcU,
- IcCombineDst,
- IcCombineConjointOverU,
- IcCombineConjointOverReverseU,
- IcCombineConjointInU,
- IcCombineConjointInReverseU,
- IcCombineConjointOutU,
- IcCombineConjointOutReverseU,
- IcCombineConjointAtopU,
- IcCombineConjointAtopReverseU,
- IcCombineConjointXorU,
-};
-
-static IcCombineFunc const IcCombineFuncC[] = {
- IcCombineClear,
- IcCombineSrcC,
- IcCombineDst,
- IcCombineOverC,
- IcCombineOverReverseC,
- IcCombineInC,
- IcCombineInReverseC,
- IcCombineOutC,
- IcCombineOutReverseC,
- IcCombineAtopC,
- IcCombineAtopReverseC,
- IcCombineXorC,
- IcCombineAddC,
- IcCombineDisjointOverC, /* Saturate */
- 0,
- 0,
- IcCombineClear, /* 0x10 */
- IcCombineSrcC,
- IcCombineDst,
- IcCombineDisjointOverC,
- IcCombineDisjointOverReverseC,
- IcCombineDisjointInC,
- IcCombineDisjointInReverseC,
- IcCombineDisjointOutC,
- IcCombineDisjointOutReverseC,
- IcCombineDisjointAtopC,
- IcCombineDisjointAtopReverseC,
- IcCombineDisjointXorC, /* 0x1b */
- 0,
- 0,
- 0,
- 0,
- IcCombineClear,
- IcCombineSrcC,
- IcCombineDst,
- IcCombineConjointOverC,
- IcCombineConjointOverReverseC,
- IcCombineConjointInC,
- IcCombineConjointInReverseC,
- IcCombineConjointOutC,
- IcCombineConjointOutReverseC,
- IcCombineConjointAtopC,
- IcCombineConjointAtopReverseC,
- IcCombineConjointXorC,
-};
-
-/*
- * All of the fetch functions
- */
-
-static uint32_t
-IcFetch_a8r8g8b8 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- return ((uint32_t *)line)[offset >> 5];
-}
-
-static uint32_t
-IcFetch_x8r8g8b8 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- return ((uint32_t *)line)[offset >> 5] | 0xff000000;
-}
-
-static uint32_t
-IcFetch_a8b8g8r8 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = ((uint32_t *)line)[offset >> 5];
-
- return ((pixel & 0xff000000) |
- ((pixel >> 16) & 0xff) |
- (pixel & 0x0000ff00) |
- ((pixel & 0xff) << 16));
-}
-
-static uint32_t
-IcFetch_x8b8g8r8 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = ((uint32_t *)line)[offset >> 5];
-
- return ((0xff000000) |
- ((pixel >> 16) & 0xff) |
- (pixel & 0x0000ff00) |
- ((pixel & 0xff) << 16));
-}
-
-static uint32_t
-IcFetch_r8g8b8 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint8_t *pixel = ((uint8_t *) line) + (offset >> 3);
-#if IMAGE_BYTE_ORDER == MSBFirst
- return (0xff000000 |
- (pixel[0] << 16) |
- (pixel[1] << 8) |
- (pixel[2]));
-#else
- return (0xff000000 |
- (pixel[2] << 16) |
- (pixel[1] << 8) |
- (pixel[0]));
-#endif
-}
-
-static uint32_t
-IcFetch_b8g8r8 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint8_t *pixel = ((uint8_t *) line) + (offset >> 3);
-#if IMAGE_BYTE_ORDER == MSBFirst
- return (0xff000000 |
- (pixel[2] << 16) |
- (pixel[1] << 8) |
- (pixel[0]));
-#else
- return (0xff000000 |
- (pixel[0] << 16) |
- (pixel[1] << 8) |
- (pixel[2]));
-#endif
-}
-
-static uint32_t
-IcFetch_r5g6b5 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = ((uint16_t *) line)[offset >> 4];
- uint32_t r,g,b;
-
- r = ((pixel & 0xf800) | ((pixel & 0xe000) >> 5)) << 8;
- g = ((pixel & 0x07e0) | ((pixel & 0x0600) >> 6)) << 5;
- b = ((pixel & 0x001c) | ((pixel & 0x001f) << 5)) >> 2;
- return (0xff000000 | r | g | b);
-}
-
-static uint32_t
-IcFetch_b5g6r5 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = ((uint16_t *) line)[offset >> 4];
- uint32_t r,g,b;
-
- b = ((pixel & 0xf800) | ((pixel & 0xe000) >> 5)) >> 8;
- g = ((pixel & 0x07e0) | ((pixel & 0x0600) >> 6)) << 5;
- r = ((pixel & 0x001c) | ((pixel & 0x001f) << 5)) << 14;
- return (0xff000000 | r | g | b);
-}
-
-static uint32_t
-IcFetch_a1r5g5b5 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = ((uint16_t *) line)[offset >> 4];
- uint32_t a,r,g,b;
-
- a = (uint32_t) ((uint8_t) (0 - ((pixel & 0x8000) >> 15))) << 24;
- r = ((pixel & 0x7c00) | ((pixel & 0x7000) >> 5)) << 9;
- g = ((pixel & 0x03e0) | ((pixel & 0x0380) >> 5)) << 6;
- b = ((pixel & 0x001c) | ((pixel & 0x001f) << 5)) >> 2;
- return (a | r | g | b);
-}
-
-static uint32_t
-IcFetch_x1r5g5b5 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = ((uint16_t *) line)[offset >> 4];
- uint32_t r,g,b;
-
- r = ((pixel & 0x7c00) | ((pixel & 0x7000) >> 5)) << 9;
- g = ((pixel & 0x03e0) | ((pixel & 0x0380) >> 5)) << 6;
- b = ((pixel & 0x001c) | ((pixel & 0x001f) << 5)) >> 2;
- return (0xff000000 | r | g | b);
-}
-
-static uint32_t
-IcFetch_a1b5g5r5 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = ((uint16_t *) line)[offset >> 4];
- uint32_t a,r,g,b;
-
- a = (uint32_t) ((uint8_t) (0 - ((pixel & 0x8000) >> 15))) << 24;
- b = ((pixel & 0x7c00) | ((pixel & 0x7000) >> 5)) >> 7;
- g = ((pixel & 0x03e0) | ((pixel & 0x0380) >> 5)) << 6;
- r = ((pixel & 0x001c) | ((pixel & 0x001f) << 5)) << 14;
- return (a | r | g | b);
-}
-
-static uint32_t
-IcFetch_x1b5g5r5 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = ((uint16_t *) line)[offset >> 4];
- uint32_t r,g,b;
-
- b = ((pixel & 0x7c00) | ((pixel & 0x7000) >> 5)) >> 7;
- g = ((pixel & 0x03e0) | ((pixel & 0x0380) >> 5)) << 6;
- r = ((pixel & 0x001c) | ((pixel & 0x001f) << 5)) << 14;
- return (0xff000000 | r | g | b);
-}
-
-static uint32_t
-IcFetch_a4r4g4b4 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = ((uint16_t *) line)[offset >> 4];
- uint32_t a,r,g,b;
-
- a = ((pixel & 0xf000) | ((pixel & 0xf000) >> 4)) << 16;
- r = ((pixel & 0x0f00) | ((pixel & 0x0f00) >> 4)) << 12;
- g = ((pixel & 0x00f0) | ((pixel & 0x00f0) >> 4)) << 8;
- b = ((pixel & 0x000f) | ((pixel & 0x000f) << 4));
- return (a | r | g | b);
-}
-
-static uint32_t
-IcFetch_x4r4g4b4 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = ((uint16_t *) line)[offset >> 4];
- uint32_t r,g,b;
-
- r = ((pixel & 0x0f00) | ((pixel & 0x0f00) >> 4)) << 12;
- g = ((pixel & 0x00f0) | ((pixel & 0x00f0) >> 4)) << 8;
- b = ((pixel & 0x000f) | ((pixel & 0x000f) << 4));
- return (0xff000000 | r | g | b);
-}
-
-static uint32_t
-IcFetch_a4b4g4r4 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = ((uint16_t *) line)[offset >> 4];
- uint32_t a,r,g,b;
-
- a = ((pixel & 0xf000) | ((pixel & 0xf000) >> 4)) << 16;
- b = ((pixel & 0x0f00) | ((pixel & 0x0f00) >> 4)) << 12;
- g = ((pixel & 0x00f0) | ((pixel & 0x00f0) >> 4)) << 8;
- r = ((pixel & 0x000f) | ((pixel & 0x000f) << 4));
- return (a | r | g | b);
-}
-
-static uint32_t
-IcFetch_x4b4g4r4 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = ((uint16_t *) line)[offset >> 4];
- uint32_t r,g,b;
-
- b = ((pixel & 0x0f00) | ((pixel & 0x0f00) >> 4)) << 12;
- g = ((pixel & 0x00f0) | ((pixel & 0x00f0) >> 4)) << 8;
- r = ((pixel & 0x000f) | ((pixel & 0x000f) << 4));
- return (0xff000000 | r | g | b);
-}
-
-static uint32_t
-IcFetch_a8 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = ((uint8_t *) line)[offset>>3];
-
- return pixel << 24;
-}
-
-static uint32_t
-IcFetcha_a8 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = ((uint8_t *) line)[offset>>3];
-
- pixel |= pixel << 8;
- pixel |= pixel << 16;
- return pixel;
-}
-
-static uint32_t
-IcFetch_r3g3b2 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = ((uint8_t *) line)[offset>>3];
- uint32_t r,g,b;
-
- r = ((pixel & 0xe0) | ((pixel & 0xe0) >> 3) | ((pixel & 0xc0) >> 6)) << 16;
- g = ((pixel & 0x1c) | ((pixel & 0x18) >> 3) | ((pixel & 0x1c) << 3)) << 8;
- b = (((pixel & 0x03) ) |
- ((pixel & 0x03) << 2) |
- ((pixel & 0x03) << 4) |
- ((pixel & 0x03) << 6));
- return (0xff000000 | r | g | b);
-}
-
-static uint32_t
-IcFetch_b2g3r3 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = ((uint8_t *) line)[offset>>3];
- uint32_t r,g,b;
-
- b = (((pixel & 0xc0) ) |
- ((pixel & 0xc0) >> 2) |
- ((pixel & 0xc0) >> 4) |
- ((pixel & 0xc0) >> 6));
- g = ((pixel & 0x38) | ((pixel & 0x38) >> 3) | ((pixel & 0x30) << 2)) << 8;
- r = (((pixel & 0x07) ) |
- ((pixel & 0x07) << 3) |
- ((pixel & 0x06) << 6)) << 16;
- return (0xff000000 | r | g | b);
-}
-
-static uint32_t
-IcFetch_a2r2g2b2 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = ((uint8_t *) line)[offset>>3];
- uint32_t a,r,g,b;
-
- a = ((pixel & 0xc0) * 0x55) << 18;
- r = ((pixel & 0x30) * 0x55) << 12;
- g = ((pixel & 0x0c) * 0x55) << 6;
- b = ((pixel & 0x03) * 0x55);
- return a|r|g|b;
-}
-
-#define Fetch8(l,o) (((uint8_t *) (l))[(o) >> 3])
-#if IMAGE_BYTE_ORDER == MSBFirst
-#define Fetch4(l,o) ((o) & 2 ? Fetch8(l,o) & 0xf : Fetch8(l,o) >> 4)
-#else
-#define Fetch4(l,o) ((o) & 2 ? Fetch8(l,o) >> 4 : Fetch8(l,o) & 0xf)
-#endif
-
-static uint32_t
-IcFetch_a4 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = Fetch4(line, offset);
-
- pixel |= pixel << 4;
- return pixel << 24;
-}
-
-static uint32_t
-IcFetcha_a4 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = Fetch4(line, offset);
-
- pixel |= pixel << 4;
- pixel |= pixel << 8;
- pixel |= pixel << 16;
- return pixel;
-}
-
-static uint32_t
-IcFetch_r1g2b1 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = Fetch4(line, offset);
- uint32_t r,g,b;
-
- r = ((pixel & 0x8) * 0xff) << 13;
- g = ((pixel & 0x6) * 0x55) << 7;
- b = ((pixel & 0x1) * 0xff);
- return 0xff000000|r|g|b;
-}
-
-static uint32_t
-IcFetch_b1g2r1 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = Fetch4(line, offset);
- uint32_t r,g,b;
-
- b = ((pixel & 0x8) * 0xff) >> 3;
- g = ((pixel & 0x6) * 0x55) << 7;
- r = ((pixel & 0x1) * 0xff) << 16;
- return 0xff000000|r|g|b;
-}
-
-static uint32_t
-IcFetch_a1r1g1b1 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = Fetch4(line, offset);
- uint32_t a,r,g,b;
-
- a = ((pixel & 0x8) * 0xff) << 21;
- r = ((pixel & 0x4) * 0xff) << 14;
- g = ((pixel & 0x2) * 0xff) << 7;
- b = ((pixel & 0x1) * 0xff);
- return a|r|g|b;
-}
-
-static uint32_t
-IcFetch_a1b1g1r1 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = Fetch4(line, offset);
- uint32_t a,r,g,b;
-
- a = ((pixel & 0x8) * 0xff) << 21;
- r = ((pixel & 0x4) * 0xff) >> 3;
- g = ((pixel & 0x2) * 0xff) << 7;
- b = ((pixel & 0x1) * 0xff) << 16;
- return a|r|g|b;
-}
-
-static uint32_t
-IcFetcha_a1 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = ((uint32_t *)line)[offset >> 5];
- uint32_t a;
-#if BITMAP_BIT_ORDER == MSBFirst
- a = pixel >> (0x1f - (offset & 0x1f));
-#else
- a = pixel >> (offset & 0x1f);
-#endif
- a = a & 1;
- a |= a << 1;
- a |= a << 2;
- a |= a << 4;
- a |= a << 8;
- a |= a << 16;
- return a;
-}
-
-static uint32_t
-IcFetch_a1 (IcCompositeOperand *op)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel = ((uint32_t *)line)[offset >> 5];
- uint32_t a;
-#if BITMAP_BIT_ORDER == MSBFirst
- a = pixel >> (0x1f - (offset & 0x1f));
-#else
- a = pixel >> (offset & 0x1f);
-#endif
- a = a & 1;
- a |= a << 1;
- a |= a << 2;
- a |= a << 4;
- return a << 24;
-}
-
-/*
- * All the store functions
- */
-
-#define Splita(v) uint32_t a = ((v) >> 24), r = ((v) >> 16) & 0xff, g = ((v) >> 8) & 0xff, b = (v) & 0xff
-#define Split(v) uint32_t r = ((v) >> 16) & 0xff, g = ((v) >> 8) & 0xff, b = (v) & 0xff
-
-static void
-IcStore_a8r8g8b8 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- ((uint32_t *)line)[offset >> 5] = value;
-}
-
-static void
-IcStore_x8r8g8b8 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- ((uint32_t *)line)[offset >> 5] = value & 0xffffff;
-}
-
-static void
-IcStore_a8b8g8r8 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- Splita(value);
- ((uint32_t *)line)[offset >> 5] = a << 24 | b << 16 | g << 8 | r;
-}
-
-static void
-IcStore_x8b8g8r8 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- Split(value);
- ((uint32_t *)line)[offset >> 5] = b << 16 | g << 8 | r;
-}
-
-static void
-IcStore_r8g8b8 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint8_t *pixel = ((uint8_t *) line) + (offset >> 3);
- Split(value);
-#if IMAGE_BYTE_ORDER == MSBFirst
- pixel[0] = r;
- pixel[1] = g;
- pixel[2] = b;
-#else
- pixel[0] = b;
- pixel[1] = g;
- pixel[2] = r;
-#endif
-}
-
-static void
-IcStore_b8g8r8 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint8_t *pixel = ((uint8_t *) line) + (offset >> 3);
- Split(value);
-#if IMAGE_BYTE_ORDER == MSBFirst
- pixel[0] = b;
- pixel[1] = g;
- pixel[2] = r;
-#else
- pixel[0] = r;
- pixel[1] = g;
- pixel[2] = b;
-#endif
-}
-
-static void
-IcStore_r5g6b5 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint16_t *pixel = ((uint16_t *) line) + (offset >> 4);
- Split(value);
- *pixel = (((r << 8) & 0xf800) |
- ((g << 3) & 0x07e0) |
- ((b >> 3) ));
-}
-
-static void
-IcStore_b5g6r5 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint16_t *pixel = ((uint16_t *) line) + (offset >> 4);
- Split(value);
- *pixel = (((b << 8) & 0xf800) |
- ((g << 3) & 0x07e0) |
- ((r >> 3) ));
-}
-
-static void
-IcStore_a1r5g5b5 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint16_t *pixel = ((uint16_t *) line) + (offset >> 4);
- Splita(value);
- *pixel = (((a << 8) & 0x8000) |
- ((r << 7) & 0x7c00) |
- ((g << 2) & 0x03e0) |
- ((b >> 3) ));
-}
-
-static void
-IcStore_x1r5g5b5 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint16_t *pixel = ((uint16_t *) line) + (offset >> 4);
- Split(value);
- *pixel = (((r << 7) & 0x7c00) |
- ((g << 2) & 0x03e0) |
- ((b >> 3) ));
-}
-
-static void
-IcStore_a1b5g5r5 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint16_t *pixel = ((uint16_t *) line) + (offset >> 4);
- Splita(value);
- *pixel = (((a << 8) & 0x8000) |
- ((b << 7) & 0x7c00) |
- ((g << 2) & 0x03e0) |
- ((r >> 3) ));
-}
-
-static void
-IcStore_x1b5g5r5 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint16_t *pixel = ((uint16_t *) line) + (offset >> 4);
- Split(value);
- *pixel = (((b << 7) & 0x7c00) |
- ((g << 2) & 0x03e0) |
- ((r >> 3) ));
-}
-
-static void
-IcStore_a4r4g4b4 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint16_t *pixel = ((uint16_t *) line) + (offset >> 4);
- Splita(value);
- *pixel = (((a << 8) & 0xf000) |
- ((r << 4) & 0x0f00) |
- ((g ) & 0x00f0) |
- ((b >> 4) ));
-}
-
-static void
-IcStore_x4r4g4b4 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint16_t *pixel = ((uint16_t *) line) + (offset >> 4);
- Split(value);
- *pixel = (((r << 4) & 0x0f00) |
- ((g ) & 0x00f0) |
- ((b >> 4) ));
-}
-
-static void
-IcStore_a4b4g4r4 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint16_t *pixel = ((uint16_t *) line) + (offset >> 4);
- Splita(value);
- *pixel = (((a << 8) & 0xf000) |
- ((b << 4) & 0x0f00) |
- ((g ) & 0x00f0) |
- ((r >> 4) ));
-}
-
-static void
-IcStore_x4b4g4r4 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint16_t *pixel = ((uint16_t *) line) + (offset >> 4);
- Split(value);
- *pixel = (((b << 4) & 0x0f00) |
- ((g ) & 0x00f0) |
- ((r >> 4) ));
-}
-
-static void
-IcStore_a8 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint8_t *pixel = ((uint8_t *) line) + (offset >> 3);
- *pixel = value >> 24;
-}
-
-static void
-IcStore_r3g3b2 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint8_t *pixel = ((uint8_t *) line) + (offset >> 3);
- Split(value);
- *pixel = (((r ) & 0xe0) |
- ((g >> 3) & 0x1c) |
- ((b >> 6) ));
-}
-
-static void
-IcStore_b2g3r3 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint8_t *pixel = ((uint8_t *) line) + (offset >> 3);
- Split(value);
- *pixel = (((b ) & 0xe0) |
- ((g >> 3) & 0x1c) |
- ((r >> 6) ));
-}
-
-static void
-IcStore_a2r2g2b2 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint8_t *pixel = ((uint8_t *) line) + (offset >> 3);
- Splita(value);
- *pixel = (((a ) & 0xc0) |
- ((r >> 2) & 0x30) |
- ((g >> 4) & 0x0c) |
- ((b >> 6) ));
-}
-
-#define Store8(l,o,v) (((uint8_t *) l)[(o) >> 3] = (v))
-#if IMAGE_BYTE_ORDER == MSBFirst
-#define Store4(l,o,v) Store8(l,o,((o) & 4 ? \
- (Fetch8(l,o) & 0xf0) | (v) : \
- (Fetch8(l,o) & 0x0f) | ((v) << 4)))
-#else
-#define Store4(l,o,v) Store8(l,o,((o) & 4 ? \
- (Fetch8(l,o) & 0x0f) | ((v) << 4) : \
- (Fetch8(l,o) & 0xf0) | (v)))
-#endif
-
-static void
-IcStore_a4 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- Store4(line,offset,value>>28);
-}
-
-static void
-IcStore_r1g2b1 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel;
-
- Split(value);
- pixel = (((r >> 4) & 0x8) |
- ((g >> 5) & 0x6) |
- ((b >> 7) ));
- Store4(line,offset,pixel);
-}
-
-static void
-IcStore_b1g2r1 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel;
-
- Split(value);
- pixel = (((b >> 4) & 0x8) |
- ((g >> 5) & 0x6) |
- ((r >> 7) ));
- Store4(line,offset,pixel);
-}
-
-static void
-IcStore_a1r1g1b1 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel;
- Splita(value);
- pixel = (((a >> 4) & 0x8) |
- ((r >> 5) & 0x4) |
- ((g >> 6) & 0x2) |
- ((b >> 7) ));
- Store4(line,offset,pixel);
-}
-
-static void
-IcStore_a1b1g1r1 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t pixel;
- Splita(value);
- pixel = (((a >> 4) & 0x8) |
- ((b >> 5) & 0x4) |
- ((g >> 6) & 0x2) |
- ((r >> 7) ));
- Store4(line,offset,pixel);
-}
-
-static void
-IcStore_a1 (IcCompositeOperand *op, uint32_t value)
-{
- IcBits *line = op->u.drawable.line; uint32_t offset = op->u.drawable.offset;
- uint32_t *pixel = ((uint32_t *) line) + (offset >> 5);
- uint32_t mask = IcStipMask(offset & 0x1f, 1);
-
- value = value & 0x80000000 ? mask : 0;
- *pixel = (*pixel & ~mask) | value;
-}
-
-static uint32_t
-IcFetch_external (IcCompositeOperand *op)
-{
- uint32_t rgb = (*op[1].fetch) (&op[1]);
- uint32_t a = (*op[2].fetch) (&op[2]);
-
- return (rgb & 0xffffff) | (a & 0xff000000);
-}
-
-
-static uint32_t
-IcFetcha_external (IcCompositeOperand *op)
-{
- return (*op[2].fetch) (&op[2]);
-}
-
-static void
-IcStore_external (IcCompositeOperand *op, uint32_t value)
-{
- (*op[1].store) (&op[1], value | 0xff000000);
- (*op[2].store) (&op[2], value & 0xff000000);
-}
-
-static uint32_t
-IcFetch_transform (IcCompositeOperand *op)
-{
- IcVector v;
- int x, y;
- int minx, maxx, miny, maxy;
- int n;
- uint32_t rtot, gtot, btot, atot;
- uint32_t xerr, yerr;
- uint32_t bits;
- PixRegionBox box;
-
- v.vector[0] = IntToxFixed(op->u.transform.x);
- v.vector[1] = IntToxFixed(op->u.transform.y);
- v.vector[2] = xFixed1;
- if (!IcTransformPoint (op->u.transform.transform, &v))
- return 0;
- switch (op->u.transform.filter) {
- case IcFilterFast:
- case IcFilterNearest:
- y = xFixedToInt (v.vector[1]) + op->u.transform.top_y;
- x = xFixedToInt (v.vector[0]) + op->u.transform.left_x;
- if (PixRegionPointInRegion (op->clip, x, y, &box))
- {
- (*op[1].set) (&op[1], x, y);
- bits = (*op[1].fetch) (&op[1]);
- }
- else
- bits = 0;
- break;
- case IcFilterGood:
- case IcFilterBest:
- case IcFilterBilinear:
- rtot = gtot = btot = atot = 0;
- miny = xFixedToInt (v.vector[1]) + op->u.transform.top_y;
- maxy = xFixedToInt (xFixedCeil (v.vector[1])) + op->u.transform.top_y;
-
- minx = xFixedToInt (v.vector[0]) + op->u.transform.left_x;
- maxx = xFixedToInt (xFixedCeil (v.vector[0])) + op->u.transform.left_x;
-
- yerr = xFixed1 - xFixedFrac (v.vector[1]);
- for (y = miny; y <= maxy; y++)
- {
- uint32_t lrtot = 0, lgtot = 0, lbtot = 0, latot = 0;
-
- xerr = xFixed1 - xFixedFrac (v.vector[0]);
- for (x = minx; x <= maxx; x++)
- {
- if (PixRegionPointInRegion (op->clip, x, y, &box))
- {
- (*op[1].set) (&op[1], x, y);
- bits = (*op[1].fetch) (&op[1]);
- {
- Splita(bits);
- lrtot += r * xerr;
- lgtot += g * xerr;
- lbtot += b * xerr;
- latot += a * xerr;
- n++;
- }
- }
- xerr = xFixed1 - xerr;
- }
- rtot += (lrtot >> 10) * yerr;
- gtot += (lgtot >> 10) * yerr;
- btot += (lbtot >> 10) * yerr;
- atot += (latot >> 10) * yerr;
- yerr = xFixed1 - yerr;
- }
- if ((atot >>= 22) > 0xff) atot = 0xff;
- if ((rtot >>= 22) > 0xff) rtot = 0xff;
- if ((gtot >>= 22) > 0xff) gtot = 0xff;
- if ((btot >>= 22) > 0xff) btot = 0xff;
- bits = ((atot << 24) |
- (rtot << 16) |
- (gtot << 8) |
- (btot ));
- break;
- default:
- bits = 0;
- break;
- }
- return bits;
-}
-
-static uint32_t
-IcFetcha_transform (IcCompositeOperand *op)
-{
- IcVector v;
- int x, y;
- int minx, maxx, miny, maxy;
- int n;
- uint32_t rtot, gtot, btot, atot;
- uint32_t xerr, yerr;
- uint32_t bits;
- PixRegionBox box;
-
- v.vector[0] = IntToxFixed(op->u.transform.x);
- v.vector[1] = IntToxFixed(op->u.transform.y);
- v.vector[2] = xFixed1;
- if (!IcTransformPoint (op->u.transform.transform, &v))
- return 0;
- switch (op->u.transform.filter) {
- case IcFilterFast:
- case IcFilterNearest:
- y = xFixedToInt (v.vector[1]) + op->u.transform.left_x;
- x = xFixedToInt (v.vector[0]) + op->u.transform.top_y;
- if (PixRegionPointInRegion (op->clip, x, y, &box))
- {
- (*op[1].set) (&op[1], x, y);
- bits = (*op[1].fetcha) (&op[1]);
- }
- else
- bits = 0;
- break;
- case IcFilterGood:
- case IcFilterBest:
- case IcFilterBilinear:
- rtot = gtot = btot = atot = 0;
-
- miny = xFixedToInt (v.vector[1]) + op->u.transform.top_y;
- maxy = xFixedToInt (xFixedCeil (v.vector[1])) + op->u.transform.top_y;
-
- minx = xFixedToInt (v.vector[0]) + op->u.transform.left_x;
- maxx = xFixedToInt (xFixedCeil (v.vector[0])) + op->u.transform.left_x;
-
- yerr = xFixed1 - xFixedFrac (v.vector[1]);
- for (y = miny; y <= maxy; y++)
- {
- uint32_t lrtot = 0, lgtot = 0, lbtot = 0, latot = 0;
- xerr = xFixed1 - xFixedFrac (v.vector[0]);
- for (x = minx; x <= maxx; x++)
- {
- if (PixRegionPointInRegion (op->clip, x, y, &box))
- {
- (*op[1].set) (&op[1], x, y);
- bits = (*op[1].fetcha) (&op[1]);
- {
- Splita(bits);
- lrtot += r * xerr;
- lgtot += g * xerr;
- lbtot += b * xerr;
- latot += a * xerr;
- n++;
- }
- }
- x++;
- xerr = xFixed1 - xerr;
- }
- rtot += (lrtot >> 10) * yerr;
- gtot += (lgtot >> 10) * yerr;
- btot += (lbtot >> 10) * yerr;
- atot += (latot >> 10) * yerr;
- y++;
- yerr = xFixed1 - yerr;
- }
- if ((atot >>= 22) > 0xff) atot = 0xff;
- if ((rtot >>= 22) > 0xff) rtot = 0xff;
- if ((gtot >>= 22) > 0xff) gtot = 0xff;
- if ((btot >>= 22) > 0xff) btot = 0xff;
- bits = ((atot << 24) |
- (rtot << 16) |
- (gtot << 8) |
- (btot ));
- break;
- default:
- bits = 0;
- break;
- }
- return bits;
-}
-
-static IcAccessMap const icAccessMap[] = {
- /* 32bpp formats */
- { PICT_a8r8g8b8, IcFetch_a8r8g8b8, IcFetch_a8r8g8b8, IcStore_a8r8g8b8 },
- { PICT_x8r8g8b8, IcFetch_x8r8g8b8, IcFetch_x8r8g8b8, IcStore_x8r8g8b8 },
- { PICT_a8b8g8r8, IcFetch_a8b8g8r8, IcFetch_a8b8g8r8, IcStore_a8b8g8r8 },
- { PICT_x8b8g8r8, IcFetch_x8b8g8r8, IcFetch_x8b8g8r8, IcStore_x8b8g8r8 },
-
- /* 24bpp formats */
- { PICT_r8g8b8, IcFetch_r8g8b8, IcFetch_r8g8b8, IcStore_r8g8b8 },
- { PICT_b8g8r8, IcFetch_b8g8r8, IcFetch_b8g8r8, IcStore_b8g8r8 },
-
- /* 16bpp formats */
- { PICT_r5g6b5, IcFetch_r5g6b5, IcFetch_r5g6b5, IcStore_r5g6b5 },
- { PICT_b5g6r5, IcFetch_b5g6r5, IcFetch_b5g6r5, IcStore_b5g6r5 },
-
- { PICT_a1r5g5b5, IcFetch_a1r5g5b5, IcFetch_a1r5g5b5, IcStore_a1r5g5b5 },
- { PICT_x1r5g5b5, IcFetch_x1r5g5b5, IcFetch_x1r5g5b5, IcStore_x1r5g5b5 },
- { PICT_a1b5g5r5, IcFetch_a1b5g5r5, IcFetch_a1b5g5r5, IcStore_a1b5g5r5 },
- { PICT_x1b5g5r5, IcFetch_x1b5g5r5, IcFetch_x1b5g5r5, IcStore_x1b5g5r5 },
- { PICT_a4r4g4b4, IcFetch_a4r4g4b4, IcFetch_a4r4g4b4, IcStore_a4r4g4b4 },
- { PICT_x4r4g4b4, IcFetch_x4r4g4b4, IcFetch_x4r4g4b4, IcStore_x4r4g4b4 },
- { PICT_a4b4g4r4, IcFetch_a4b4g4r4, IcFetch_a4b4g4r4, IcStore_a4b4g4r4 },
- { PICT_x4b4g4r4, IcFetch_x4b4g4r4, IcFetch_x4b4g4r4, IcStore_x4b4g4r4 },
-
- /* 8bpp formats */
- { PICT_a8, IcFetch_a8, IcFetcha_a8, IcStore_a8 },
- { PICT_r3g3b2, IcFetch_r3g3b2, IcFetch_r3g3b2, IcStore_r3g3b2 },
- { PICT_b2g3r3, IcFetch_b2g3r3, IcFetch_b2g3r3, IcStore_b2g3r3 },
- { PICT_a2r2g2b2, IcFetch_a2r2g2b2, IcFetch_a2r2g2b2, IcStore_a2r2g2b2 },
-
- /* 4bpp formats */
- { PICT_a4, IcFetch_a4, IcFetcha_a4, IcStore_a4 },
- { PICT_r1g2b1, IcFetch_r1g2b1, IcFetch_r1g2b1, IcStore_r1g2b1 },
- { PICT_b1g2r1, IcFetch_b1g2r1, IcFetch_b1g2r1, IcStore_b1g2r1 },
- { PICT_a1r1g1b1, IcFetch_a1r1g1b1, IcFetch_a1r1g1b1, IcStore_a1r1g1b1 },
- { PICT_a1b1g1r1, IcFetch_a1b1g1r1, IcFetch_a1b1g1r1, IcStore_a1b1g1r1 },
-
- /* 1bpp formats */
- { PICT_a1, IcFetch_a1, IcFetcha_a1, IcStore_a1 },
-};
-#define NumAccessMap (sizeof icAccessMap / sizeof icAccessMap[0])
-
-static void
-IcStepOver (IcCompositeOperand *op)
-{
- op->u.drawable.offset += op->u.drawable.bpp;
-}
-
-static void
-IcStepDown (IcCompositeOperand *op)
-{
- op->u.drawable.line += op->u.drawable.stride;
- op->u.drawable.offset = op->u.drawable.start_offset;
-}
-
-static void
-IcSet (IcCompositeOperand *op, int x, int y)
-{
- op->u.drawable.line = op->u.drawable.top_line + y * op->u.drawable.stride;
- op->u.drawable.offset = op->u.drawable.left_offset + x * op->u.drawable.bpp;
-}
-
-static void
-IcStepOver_external (IcCompositeOperand *op)
-{
- (*op[1].over) (&op[1]);
- (*op[2].over) (&op[2]);
-}
-
-static void
-IcStepDown_external (IcCompositeOperand *op)
-{
- (*op[1].down) (&op[1]);
- (*op[2].down) (&op[2]);
-}
-
-static void
-IcSet_external (IcCompositeOperand *op, int x, int y)
-{
- (*op[1].set) (&op[1], x, y);
- (*op[2].set) (&op[2],
- x - op->u.external.alpha_dx,
- y - op->u.external.alpha_dy);
-}
-
-static void
-IcStepOver_transform (IcCompositeOperand *op)
-{
- op->u.transform.x++;
-}
-
-static void
-IcStepDown_transform (IcCompositeOperand *op)
-{
- op->u.transform.y++;
- op->u.transform.x = op->u.transform.start_x;
-}
-
-static void
-IcSet_transform (IcCompositeOperand *op, int x, int y)
-{
- op->u.transform.x = x - op->u.transform.left_x;
- op->u.transform.y = y - op->u.transform.top_y;
-}
-
-
-int
-IcBuildCompositeOperand (IcImage *image,
- IcCompositeOperand op[4],
- int16_t x,
- int16_t y,
- int transform,
- int alpha)
-{
- /* Check for transform */
- if (transform && image->transform)
- {
- if (!IcBuildCompositeOperand (image, &op[1], 0, 0, 0, alpha))
- return 0;
-
- op->u.transform.top_y = image->pixels->y;
- op->u.transform.left_x = image->pixels->x;
-
- op->u.transform.start_x = x - op->u.transform.left_x;
- op->u.transform.x = op->u.transform.start_x;
- op->u.transform.y = y - op->u.transform.top_y;
- op->u.transform.transform = image->transform;
- op->u.transform.filter = image->filter;
-
- op->fetch = IcFetch_transform;
- op->fetcha = IcFetcha_transform;
- op->store = 0;
- op->over = IcStepOver_transform;
- op->down = IcStepDown_transform;
- op->set = IcSet_transform;
-
- op->clip = op[1].clip;
-
- return 1;
- }
- /* Check for external alpha */
- else if (alpha && image->alphaMap)
- {
- if (!IcBuildCompositeOperand (image, &op[1], x, y, 0, 0))
- return 0;
- if (!IcBuildCompositeOperand (image->alphaMap, &op[2],
- x - image->alphaOrigin.x,
- y - image->alphaOrigin.y,
- 0, 0))
- return 0;
- op->u.external.alpha_dx = image->alphaOrigin.x;
- op->u.external.alpha_dy = image->alphaOrigin.y;
-
- op->fetch = IcFetch_external;
- op->fetcha = IcFetcha_external;
- op->store = IcStore_external;
- op->over = IcStepOver_external;
- op->down = IcStepDown_external;
- op->set = IcSet_external;
-
- op->clip = op[1].clip;
-
- return 1;
- }
- /* Build simple operand */
- else
- {
- int i;
- int xoff, yoff;
-
- for (i = 0; i < NumAccessMap; i++)
- if (icAccessMap[i].format_code == image->format_code)
- {
- IcBits *bits;
- IcStride stride;
- int bpp;
-
- op->fetch = icAccessMap[i].fetch;
- op->fetcha = icAccessMap[i].fetcha;
- op->store = icAccessMap[i].store;
- op->over = IcStepOver;
- op->down = IcStepDown;
- op->set = IcSet;
-
- op->clip = image->pCompositeClip;
-
- IcGetPixels (image->pixels, bits, stride, bpp,
- xoff, yoff);
- if (image->repeat && image->pixels->width == 1 &&
- image->pixels->height == 1)
- {
- bpp = 0;
- stride = 0;
- }
- /*
- * Coordinates of upper left corner of drawable
- */
- op->u.drawable.top_line = bits + yoff * stride;
- op->u.drawable.left_offset = xoff * bpp;
-
- /*
- * Starting position within drawable
- */
- op->u.drawable.start_offset = op->u.drawable.left_offset + x * bpp;
- op->u.drawable.line = op->u.drawable.top_line + y * stride;
- op->u.drawable.offset = op->u.drawable.start_offset;
-
- op->u.drawable.stride = stride;
- op->u.drawable.bpp = bpp;
- return 1;
- }
- return 0;
- }
-}
-
-void
-IcCompositeGeneral (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)
-{
- IcCompositeOperand src[4],msk[4],dst[4],*pmsk;
- IcCompositeOperand *srcPict, *srcAlpha;
- IcCompositeOperand *dstPict, *dstAlpha;
- IcCompositeOperand *mskPict = 0, *mskAlpha = 0;
- IcCombineFunc f;
- int w;
-
- if (!IcBuildCompositeOperand (iSrc, src, xSrc, ySrc, 1, 1))
- return;
- if (!IcBuildCompositeOperand (iDst, dst, xDst, yDst, 0, 1))
- return;
- if (iSrc->alphaMap)
- {
- srcPict = &src[1];
- srcAlpha = &src[2];
- }
- else
- {
- srcPict = &src[0];
- srcAlpha = 0;
- }
- if (iDst->alphaMap)
- {
- dstPict = &dst[1];
- dstAlpha = &dst[2];
- }
- else
- {
- dstPict = &dst[0];
- dstAlpha = 0;
- }
- f = IcCombineFuncU[op];
- if (iMask)
- {
- if (!IcBuildCompositeOperand (iMask, msk, xMask, yMask, 1, 1))
- return;
- pmsk = msk;
- if (iMask->componentAlpha)
- f = IcCombineFuncC[op];
- if (iMask->alphaMap)
- {
- mskPict = &msk[1];
- mskAlpha = &msk[2];
- }
- else
- {
- mskPict = &msk[0];
- mskAlpha = 0;
- }
- }
- else
- pmsk = 0;
- while (height--)
- {
- w = width;
-
- while (w--)
- {
- (*f) (src, pmsk, dst);
- (*src->over) (src);
- (*dst->over) (dst);
- if (pmsk)
- (*pmsk->over) (pmsk);
- }
- (*src->down) (src);
- (*dst->down) (dst);
- if (pmsk)
- (*pmsk->down) (pmsk);
- }
-}
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-25 13:23:46 +0000