summary | shortlog | log | commit | commitdiff | tree
raw | patch | inline | side by side (parent: 9dbce24)
raw | patch | inline | side by side (parent: 9dbce24)
author | buliabyak <buliabyak@users.sourceforge.net> | |
Tue, 27 Jun 2006 00:31:47 +0000 (00:31 +0000) | ||
committer | buliabyak <buliabyak@users.sourceforge.net> | |
Tue, 27 Jun 2006 00:31:47 +0000 (00:31 +0000) |
src/libnr/nr-pixops.h | patch | blob | history |
diff --git a/src/libnr/nr-pixops.h b/src/libnr/nr-pixops.h
index 32fc1e1cd13bad6259045daf21cd55ef61671131..ba7fbc41ad0850cea7738e549aaef84f3883c8e8 100644 (file)
--- a/src/libnr/nr-pixops.h
+++ b/src/libnr/nr-pixops.h
#define NR_RGBA32_A(v) (unsigned char) ((v) & 0xff)
#define FAST_DIVIDE_BY_255(v) ((((v) << 8) + (v) + 257) >> 16)
-#define NR_PREMUL(c,a) (FAST_DIVIDE_BY_255(((c) * (a) + 127)))
-#define NR_PREMUL_SINGLE(c) (FAST_DIVIDE_BY_255((c) + 127))
+
#define NR_A7(fa,ba) (65025 - (255 - fa) * (255 - ba))
-#define NR_A7_NORMALIZED(fa,ba) (FAST_DIVIDE_BY_255((65025 - (255 - (fa)) * (255 - (ba))) + 127))
#define NR_COMPOSENNN_A7(fc,fa,bc,ba,a) (((255 - (fa)) * (bc) * (ba) + (fa) * (fc) * 255 + 127) / a)
#define NR_COMPOSEPNN_A7(fc,fa,bc,ba,a) (((255 - (fa)) * (bc) * (ba) + (fc) * 65025 + 127) / a)
#define NR_COMPOSENNP(fc,fa,bc,ba) (((255 - (fa)) * (bc) * (ba) + (fa) * (fc) * 255 + 32512) / 65025)
#define NR_COMPOSEPNP(fc,fa,bc,ba) (((255 - (fa)) * (bc) * (ba) + (fc) * 65025 + 32512) / 65025)
+#define INK_COMPOSE(f,a,b) ( ( ((guchar) b) * ((guchar) (0xff - a)) + ((guchar) ((b ^ ~f) + b/4 - (b>127? 63 : 0))) * ((guchar) a) ) >>8)
+#define NR_PREMUL(c,a) (FAST_DIVIDE_BY_255(((c) * (a) + 127)))
+#define NR_PREMUL_SINGLE(c) (FAST_DIVIDE_BY_255((c) + 127))
+
+#if 0
+
+#define NR_A7_NORMALIZED(fa,ba) (FAST_DIVIDE_BY_255((65025 - (255 - (fa)) * (255 - (ba))) + 127))
#define NR_COMPOSENPP(fc,fa,bc,ba) (FAST_DIVIDE_BY_255((255 - (fa)) * (bc) + (fa) * (fc) + 127))
#define NR_COMPOSEPPP(fc,fa,bc,ba) (FAST_DIVIDE_BY_255((255 - (fa)) * (bc) + (fc) * 255 + 127))
#define NR_COMPOSEP11(fc,fa,bc) (FAST_DIVIDE_BY_255((255 - (fa)) * (bc) + (fc) * 255 + 127))
#define NR_COMPOSEN11(fc,fa,bc) (FAST_DIVIDE_BY_255((255 - (fa)) * (bc) + (fc) * (fa) + 127))
-#define INK_COMPOSE(f,a,b) ( ( ((guchar) b) * ((guchar) (0xff - a)) + ((guchar) ((b ^ ~f) + b/4 - (b>127? 63 : 0))) * ((guchar) a) ) >>8)
+#else
+
+inline int NR_A7_NORMALIZED(int fa,int ba) {int temp=(65025 - (255 - (fa)) * (255 - (ba))) + 127; return FAST_DIVIDE_BY_255(temp);}
+inline int NR_COMPOSENPP(int fc,int fa,int bc,int ba) {int temp=(255 - (fa)) * (bc) + (fa) * (fc) + 127; return FAST_DIVIDE_BY_255(temp);}
+inline int NR_COMPOSEPPP(int fc,int fa,int bc,int ba) {int temp=(255 - (fa)) * (bc) + (fc) * 255 + 127; return FAST_DIVIDE_BY_255(temp);}
+inline int NR_COMPOSEP11(int fc,int fa,int bc) {int temp=(255 - (fa)) * (bc) + (fc) * 255 + 127; return FAST_DIVIDE_BY_255(temp);}
+inline int NR_COMPOSEN11(int fc,int fa,int bc) {int temp=(255 - (fa)) * (bc) + (fc) * (fa) + 127; return FAST_DIVIDE_BY_255(temp);}
+
+#endif
#endif