From d69d86a74e2bae1f6b915a3b3541b3919033b2d9 Mon Sep 17 00:00:00 2001 From: buliabyak Date: Tue, 27 Jun 2006 00:31:47 +0000 Subject: [PATCH] a little optimization by making some macros into inlined functions --- src/libnr/nr-pixops.h | 21 +++++++++++++++++---- 1 file changed, 17 insertions(+), 4 deletions(-) diff --git a/src/libnr/nr-pixops.h b/src/libnr/nr-pixops.h index 32fc1e1cd..ba7fbc41a 100644 --- a/src/libnr/nr-pixops.h +++ b/src/libnr/nr-pixops.h @@ -17,20 +17,33 @@ #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 -- 2.30.2