diff options
Diffstat (limited to 'src/libnr/nr-compose.cpp')
| -rw-r--r-- | src/libnr/nr-compose.cpp | 1197 |
1 files changed, 0 insertions, 1197 deletions
diff --git a/src/libnr/nr-compose.cpp b/src/libnr/nr-compose.cpp deleted file mode 100644 index 74f9d036b..000000000 --- a/src/libnr/nr-compose.cpp +++ /dev/null @@ -1,1197 +0,0 @@ -#define __NR_COMPOSE_C__ - -/* - * Pixel buffer rendering library - * - * Authors: - * Lauris Kaplinski <lauris@kaplinski.com> - * - * This code is in public domain - */ - -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif - -#include <string.h> -#include "nr-pixops.h" - -#ifdef WITH_MMX -/* fixme: */ -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ -int nr_have_mmx (void); -void nr_mmx_R8G8B8A8_P_EMPTY_A8_RGBAP (unsigned char *px, int w, int h, int rs, const unsigned char *spx, int srs, unsigned char *c); -void nr_mmx_R8G8B8A8_P_R8G8B8A8_P_A8_RGBAP (unsigned char *px, int w, int h, int rs, const unsigned char *spx, int srs, unsigned char *c); -void nr_mmx_R8G8B8_R8G8B8_R8G8B8A8_P (unsigned char *px, int w, int h, int rs, const unsigned char *spx, int srs, unsigned int alpha); -#define NR_PIXOPS_MMX nr_have_mmx () -#ifdef __cplusplus -} -#endif /* __cplusplus */ -#endif - -// Naming: nr_RESULT_BACKGROUND_FOREGROUND_extra - -void -nr_R8G8B8A8_N_EMPTY_R8G8B8A8_N (unsigned char *px, int w, int h, int rs, const unsigned char *spx, int srs, unsigned int alpha) -{ - unsigned int r, c; - - for (r = h; r > 0; r--) { - if (alpha == 0) { - memset(px, 0x0, 4 * w); - } else if (alpha == 255) { - memcpy(px, spx, 4 * w); - } else { - unsigned char *d = px; - const unsigned char *s = spx; - for (c = w; c > 0; c--) { - *d++ = *s++; - *d++ = *s++; - *d++ = *s++; - *d++ = NR_PREMUL_111(*s, alpha); - s++; - } - } - px += rs; - spx += srs; - } -} - -void -nr_R8G8B8A8_N_EMPTY_R8G8B8A8_P (unsigned char *px, int w, int h, int rs, const unsigned char *spx, int srs, unsigned int alpha) -{ - unsigned int r, c; - - for (r = h; r > 0; r--) { - if (alpha == 0) { - memset(px, 0x0, 4 * w); - } else { - unsigned char *d = px; - const unsigned char *s = spx; - for (c = w; c > 0; c--) { - if (s[3] == 0) { - d[3] = 0; - } else if (s[3] == 255) { - memcpy(d, s, 4); - } else { - d[0] = NR_DEMUL_111(s[0], s[3]); - d[1] = NR_DEMUL_111(s[1], s[3]); - d[2] = NR_DEMUL_111(s[2], s[3]); - d[3] = NR_PREMUL_111(s[3], alpha); - } - d += 4; - s += 4; - } - } - px += rs; - spx += srs; - } -} - -void -nr_R8G8B8A8_P_EMPTY_R8G8B8A8_N (unsigned char *px, int w, int h, int rs, const unsigned char *spx, int srs, unsigned int alpha) -{ - unsigned int r, c; - - for (r = h; r > 0; r--) { - unsigned char *d = px; - const unsigned char *s = spx; - if (alpha == 0) { - memset(px, 0x0, 4 * w); - } else if (alpha == 255) { - for (c = w; c > 0; c--) { - d[0] = NR_PREMUL_111(s[0], s[3]); - d[1] = NR_PREMUL_111(s[1], s[3]); - d[2] = NR_PREMUL_111(s[2], s[3]); - d[3] = s[3]; - d += 4; - s += 4; - } - } else { - for (c = w; c > 0; c--) { - if (s[3] == 0) { - memset(d, 0, 4); - } else { - unsigned int a; - a = NR_PREMUL_112(s[3], alpha); - d[0] = NR_PREMUL_121(s[0], a); - d[1] = NR_PREMUL_121(s[1], a); - d[2] = NR_PREMUL_121(s[2], a); - d[3] = NR_NORMALIZE_21(a); - } - d += 4; - s += 4; - } - } - px += rs; - spx += srs; - } -} - -void -nr_R8G8B8A8_P_EMPTY_R8G8B8A8_P (unsigned char *px, int w, int h, int rs, const unsigned char *spx, int srs, unsigned int alpha) -{ - unsigned int r, c; - - for (r = h; r > 0; r--) { - if (alpha == 0) { - memset(px, 0x0, 4 * w); - } else if (alpha == 255) { - memcpy(px, spx, 4 * w); - } else { - unsigned char *d = px; - const unsigned char *s = spx; - for (c = w; c > 0; c--) { - d[0] = NR_PREMUL_111(s[0], alpha); - d[1] = NR_PREMUL_111(s[1], alpha); - d[2] = NR_PREMUL_111(s[2], alpha); - d[3] = NR_PREMUL_111(s[3], alpha); - d += 4; - s += 4; - } - } - px += rs; - spx += srs; - } -} - -void -nr_R8G8B8A8_N_R8G8B8A8_N_R8G8B8A8_N (unsigned char *px, int w, int h, int rs, const unsigned char *spx, int srs, unsigned int alpha) -{ - unsigned int r, c; - - if (alpha == 0) { - /* NOP */ - } else if (alpha == 255) { - for (r = h; r > 0; r--) { - unsigned char *d = px; - const unsigned char *s = spx; - for (c = w; c > 0; c--) { - if (s[3] == 0) { - /* Transparent FG, NOP */ - } else if ((s[3] == 255) || (d[3] == 0)) { - /* Full coverage, COPY */ - memcpy(d, s, 4); - } else { - /* Full composition */ - unsigned int ca; - ca = NR_COMPOSEA_112(s[3], d[3]); - d[0] = NR_COMPOSENNN_111121(s[0], s[3], d[0], d[3], ca); - d[1] = NR_COMPOSENNN_111121(s[1], s[3], d[1], d[3], ca); - d[2] = NR_COMPOSENNN_111121(s[2], s[3], d[2], d[3], ca); - d[3] = NR_NORMALIZE_21(ca); - } - d += 4; - s += 4; - } - px += rs; - spx += srs; - } - } else { - for (r = h; r > 0; r--) { - unsigned char *d = px; - const unsigned char *s = spx; - for (c = w; c > 0; c--) { - unsigned int a; - a = NR_PREMUL_112(s[3], alpha); - if (a == 0) { - /* Transparent FG, NOP */ - } else if ((a == 255*255) || (d[3] == 0)) { - /* Full coverage, COPY */ - d[0] = s[0]; - d[1] = s[1]; - d[2] = s[2]; - d[3] = NR_NORMALIZE_21(a); - } else { - /* Full composition */ - unsigned int ca; - ca = NR_COMPOSEA_213(a, d[3]); - d[0] = NR_COMPOSENNN_121131(s[0], a, d[0], d[3], ca); - d[1] = NR_COMPOSENNN_121131(s[1], a, d[1], d[3], ca); - d[2] = NR_COMPOSENNN_121131(s[2], a, d[2], d[3], ca); - d[3] = NR_NORMALIZE_31(ca); - } - d += 4; - s += 4; - } - px += rs; - spx += srs; - } - } -} - -void -nr_R8G8B8A8_N_R8G8B8A8_N_R8G8B8A8_P (unsigned char *px, int w, int h, int rs, const unsigned char *spx, int srs, unsigned int alpha) -{ - unsigned int r, c; - - if (alpha == 0) { - /* NOP */ - } else if (alpha == 255) { - for (r = h; r > 0; r--) { - unsigned char *d = px; - const unsigned char *s = spx; - for (c = w; c > 0; c--) { - if (s[3] == 0) { - /* Transparent FG, NOP */ - } else if (s[3] == 255) { - /* Full coverage, demul src */ - // dc' = ((1 - sa) * da*dc + sc)/da' = sc/da' = sc - // da' = 1 - (1 - sa) * (1 - da) = 1 - 0 * (1 - da) = 1 - memcpy(d, s, 4); - } else if (d[3] == 0) { - /* Full coverage, demul src */ - // dc' = ((1 - sa) * da*dc + sc)/da' = sc/da' = sc/sa = sc/sa - // da' = 1 - (1 - sa) * (1 - da) = 1 - (1 - sa) = sa - d[0] = NR_DEMUL_111(s[0], s[3]); - d[1] = NR_DEMUL_111(s[1], s[3]); - d[2] = NR_DEMUL_111(s[2], s[3]); - d[3] = s[3]; - } else { - /* Full composition */ - // dc' = ((1 - sa) * da*dc + sc)/da' = ((1 - sa) * da*dc + sc)/da' - // da' = 1 - (1 - sa) * (1 - da) = 1 - (1 - sa) * (1 - da) - unsigned int da = NR_COMPOSEA_112(s[3], d[3]); - d[0] = NR_COMPOSEPNN_111121(s[0], s[3], d[0], d[3], da); - d[1] = NR_COMPOSEPNN_111121(s[1], s[3], d[1], d[3], da); - d[2] = NR_COMPOSEPNN_111121(s[2], s[3], d[2], d[3], da); - d[3] = NR_NORMALIZE_21(da); - } - d += 4; - s += 4; - } - px += rs; - spx += srs; - } - } else { - for (r = h; r > 0; r--) { - unsigned char *d = px; - const unsigned char *s = spx; - for (c = w; c > 0; c--) { - unsigned int a; - a = NR_PREMUL_112(s[3], alpha); - if (a == 0) { - /* Transparent FG, NOP */ - } else if (d[3] == 0) { - /* Full coverage, demul src */ - // dc' = ((1 - alpha*sa) * da*dc + alpha*sc)/da' = alpha*sc/da' = alpha*sc/(alpha*sa) = sc/sa - // da' = 1 - (1 - alpha*sa) * (1 - da) = 1 - (1 - alpha*sa) = alpha*sa - d[0] = NR_DEMUL_111(s[0], s[3]); - d[1] = NR_DEMUL_111(s[1], s[3]); - d[2] = NR_DEMUL_111(s[2], s[3]); - d[3] = NR_NORMALIZE_21(a); - } else { - // dc' = ((1 - alpha*sa) * da*dc + alpha*sc)/da' - // da' = 1 - (1 - alpha*sa) * (1 - da) - unsigned int da = NR_COMPOSEA_213(a, d[3]); - d[0] = NR_COMPOSEPNN_221131(NR_PREMUL_112(s[0], alpha), a, d[0], d[3], da); - d[1] = NR_COMPOSEPNN_221131(NR_PREMUL_112(s[1], alpha), a, d[1], d[3], da); - d[2] = NR_COMPOSEPNN_221131(NR_PREMUL_112(s[2], alpha), a, d[2], d[3], da); - d[3] = NR_NORMALIZE_31(da); - } - d += 4; - s += 4; - } - px += rs; - spx += srs; - } - } -} - -void -nr_R8G8B8A8_P_R8G8B8A8_P_R8G8B8A8_N (unsigned char *px, int w, int h, int rs, const unsigned char *spx, int srs, unsigned int alpha) -{ - unsigned int r, c; - - if (alpha == 0) { - /* NOP */ - } else if (alpha == 255) { - for (r = h; r > 0; r--) { - unsigned char *d = px; - const unsigned char *s = spx; - for (c = w; c > 0; c--) { - if (s[3] == 0) { - /* Transparent FG, NOP */ - } else if (s[3] == 255) { - /* Opaque FG, COPY */ - // dc' = (1 - sa) * dc + sa*sc = sa*sc = sc - // da' = 1 - (1 - sa) * (1 - da) = 1 - 0 * (1 - da) = 1 (= sa) - memcpy(d, s, 4); - } else if (d[3] == 0) { - /* Transparent BG, premul src */ - // dc' = (1 - sa) * dc + sa*sc = sa*sc - // da' = 1 - (1 - sa) * (1 - da) = 1 - (1 - sa) = sa - d[0] = NR_PREMUL_111(s[0], s[3]); - d[1] = NR_PREMUL_111(s[1], s[3]); - d[2] = NR_PREMUL_111(s[2], s[3]); - d[3] = s[3]; - } else { - // dc' = (1 - sa) * dc + sa*sc - // da' = 1 - (1 - sa) * (1 - da) - d[0] = NR_COMPOSENPP_1111(s[0], s[3], d[0]); - d[1] = NR_COMPOSENPP_1111(s[1], s[3], d[1]); - d[2] = NR_COMPOSENPP_1111(s[2], s[3], d[2]); - d[3] = NR_COMPOSEA_111(s[3], d[3]); - } - d += 4; - s += 4; - } - px += rs; - spx += srs; - } - } else { - for (r = h; r > 0; r--) { - unsigned char *d = px; - const unsigned char *s = spx; - for (c = w; c > 0; c--) { - unsigned int a; - a = NR_PREMUL_112 (s[3], alpha); - if (a == 0) { - /* Transparent FG, NOP */ - } else if (d[3] == 0) { - /* Transparent BG, premul src */ - // dc' = (1 - alpha*sa) * dc + alpha*sa*sc = alpha*sa*sc - // da' = 1 - (1 - alpha*sa) * (1 - da) = 1 - (1 - alpha*sa) = alpha*sa - d[0] = NR_PREMUL_121(s[0], a); - d[1] = NR_PREMUL_121(s[1], a); - d[2] = NR_PREMUL_121(s[2], a); - d[3] = NR_NORMALIZE_21(a); - } else { - // dc' = (1 - alpha*sa) * dc + alpha*sa*sc - // da' = 1 - (1 - alpha*sa) * (1 - da) - d[0] = NR_COMPOSENPP_1211(s[0], a, d[0]); - d[1] = NR_COMPOSENPP_1211(s[1], a, d[1]); - d[2] = NR_COMPOSENPP_1211(s[2], a, d[2]); - d[3] = NR_COMPOSEA_211(a, d[3]); - } - d += 4; - s += 4; - } - px += rs; - spx += srs; - } - } -} - -void -nr_R8G8B8A8_P_R8G8B8A8_P_R8G8B8A8_P (unsigned char *px, int w, int h, int rs, const unsigned char *spx, int srs, unsigned int alpha) -{ - unsigned int r, c; - - if (alpha == 0) { - /* Transparent FG, NOP */ - } else if (alpha == 255) { - /* Simple */ - for (r = h; r > 0; r--) { - unsigned char *d = px; - const unsigned char *s = spx; - for (c = w; c > 0; c--) { - if (s[3] == 0) { - /* Transparent FG, NOP */ - } else if ((s[3] == 255) || (d[3] == 0)) { - /* Transparent BG, COPY */ - memcpy(d, s, 4); - } else { - d[0] = NR_COMPOSEPPP_1111(s[0], s[3], d[0]); - d[1] = NR_COMPOSEPPP_1111(s[1], s[3], d[1]); - d[2] = NR_COMPOSEPPP_1111(s[2], s[3], d[2]); - d[3] = NR_COMPOSEA_111(s[3], d[3]); - } - d += 4; - s += 4; - } - px += rs; - spx += srs; - } - } else { - for (r = h; r > 0; r--) { - unsigned char *d = px; - const unsigned char *s = spx; - for (c = w; c > 0; c--) { - if (s[3] == 0) { - /* Transparent FG, NOP */ - } else if (d[3] == 0) { - /* Transparent BG, COPY */ - d[0] = NR_PREMUL_111(s[0], alpha); - d[1] = NR_PREMUL_111(s[1], alpha); - d[2] = NR_PREMUL_111(s[2], alpha); - d[3] = NR_PREMUL_111(s[3], alpha); - } else { - // dc' = (1 - alpha*sa) * dc + alpha*sc - // da' = 1 - (1 - alpha*sa) * (1 - da) - unsigned int a; - a = NR_PREMUL_112(s[3], alpha); - d[0] = NR_COMPOSEPPP_2211(NR_PREMUL_112(alpha, s[0]), a, d[0]); - d[1] = NR_COMPOSEPPP_2211(NR_PREMUL_112(alpha, s[1]), a, d[1]); - d[2] = NR_COMPOSEPPP_2211(NR_PREMUL_112(alpha, s[2]), a, d[2]); - d[3] = NR_COMPOSEA_211(a, d[3]); - } - d += 4; - s += 4; - } - px += rs; - spx += srs; - } - } -} - -/* Masked operations */ - -void -nr_R8G8B8A8_N_EMPTY_R8G8B8A8_N_A8 (unsigned char *px, int w, int h, int rs, const unsigned char *spx, int srs, const unsigned char *mpx, int mrs) -{ - unsigned int r, c; - - for (r = h; r > 0; r--) { - unsigned char *d = px; - const unsigned char *s = spx; - const unsigned char *m = mpx; - for (c = w; c > 0; c--) { - d[0] = s[0]; - d[1] = s[1]; - d[2] = s[2]; - d[3] = NR_PREMUL_111(s[3], m[0]); - d += 4; - s += 4; - m += 1; - } - px += rs; - spx += srs; - mpx += mrs; - } -} - -void -nr_R8G8B8A8_N_EMPTY_R8G8B8A8_P_A8 (unsigned char *px, int w, int h, int rs, const unsigned char *spx, int srs, const unsigned char *mpx, int mrs) -{ - unsigned int r, c; - - for (r = h; r > 0; r--) { - unsigned char *d = px; - const unsigned char *s = spx; - const unsigned char *m = mpx; - for (c = w; c > 0; c--) { - unsigned int a; - a = NR_PREMUL_112 (s[3], m[0]); - if (a == 0) { - d[3] = 0; - } else if (a == 255*255) { - memcpy(d, s, 4); - } else { - // dc' = ((1 - m*sa) * da*dc + m*sc)/da' = m*sc/da' = m*sc/(m*sa) = sc/sa - // da' = 1 - (1 - m*sa) * (1 - da) = 1 - (1 - m*sa) = m*sa - d[0] = NR_DEMUL_111(s[0], s[3]); - d[1] = NR_DEMUL_111(s[1], s[3]); - d[2] = NR_DEMUL_111(s[2], s[3]); - d[3] = NR_NORMALIZE_21(a); - } - d += 4; - s += 4; - m += 1; - } - px += rs; - spx += srs; - mpx += mrs; - } -} - -void -nr_R8G8B8A8_P_EMPTY_R8G8B8A8_N_A8 (unsigned char *px, int w, int h, int rs, const unsigned char *spx, int srs, const unsigned char *mpx, int mrs) -{ - unsigned int r, c; - - for (r = h; r > 0; r--) { - unsigned char *d = px; - const unsigned char *s = spx; - const unsigned char *m = mpx; - for (c = w; c > 0; c--) { - unsigned int a; - a = NR_PREMUL_112(s[3], m[0]); - if (a == 0) { - memset(d, 0, 4); - } else if (a == 255*255) { - memcpy(d, s, 4); - } else { - d[0] = NR_PREMUL_121(s[0], a); - d[1] = NR_PREMUL_121(s[1], a); - d[2] = NR_PREMUL_121(s[2], a); - d[3] = NR_NORMALIZE_21(a); - } - d += 4; - s += 4; - m += 1; - } - px += rs; - spx += srs; - mpx += mrs; - } -} - -void -nr_R8G8B8A8_P_EMPTY_R8G8B8A8_P_A8 (unsigned char *px, int w, int h, int rs, const unsigned char *spx, int srs, const unsigned char *mpx, int mrs) -{ - unsigned int r, c; - - for (r = h; r > 0; r--) { - unsigned char *d = px; - const unsigned char *s = spx; - const unsigned char *m = mpx; - for (c = w; c > 0; c--) { - d[0] = NR_PREMUL_111(s[0], m[0]); - d[1] = NR_PREMUL_111(s[1], m[0]); - d[2] = NR_PREMUL_111(s[2], m[0]); - d[3] = NR_PREMUL_111(s[3], m[0]); - d += 4; - s += 4; - m += 1; - } - px += rs; - spx += srs; - mpx += mrs; - } -} - -void -nr_R8G8B8A8_N_R8G8B8A8_N_R8G8B8A8_N_A8 (unsigned char *px, int w, int h, int rs, const unsigned char *spx, int srs, const unsigned char *mpx, int mrs) -{ - unsigned int r, c; - - for (r = h; r > 0; r--) { - unsigned char *d = px; - const unsigned char *s = spx; - const unsigned char *m = mpx; - for (c = w; c > 0; c--) { - unsigned int a; - a = NR_PREMUL_112(s[3], m[0]); - if (a == 0) { - /* Transparent FG, NOP */ - } else if ((a == 255*255) || (d[3] == 0)) { - /* Full coverage, COPY */ - d[0] = s[0]; - d[1] = s[1]; - d[2] = s[2]; - d[3] = NR_NORMALIZE_21(a); - } else { - /* Full composition */ - unsigned int ca; - ca = NR_COMPOSEA_213(a, d[3]); - d[0] = NR_COMPOSENNN_121131(s[0], a, d[0], d[3], ca); - d[1] = NR_COMPOSENNN_121131(s[1], a, d[1], d[3], ca); - d[2] = NR_COMPOSENNN_121131(s[2], a, d[2], d[3], ca); - d[3] = NR_NORMALIZE_31(ca); - } - d += 4; - s += 4; - m += 1; - } - px += rs; - spx += srs; - mpx += mrs; - } -} - -void -nr_R8G8B8A8_N_R8G8B8A8_N_R8G8B8A8_P_A8 (unsigned char *px, int w, int h, int rs, const unsigned char *spx, int srs, const unsigned char *mpx, int mrs) -{ - unsigned int r, c; - - for (r = h; r > 0; r--) { - unsigned char *d = px; - const unsigned char *s = spx; - const unsigned char *m = mpx; - for (c = w; c > 0; c--) { - unsigned int a; - a = NR_PREMUL_112(s[3], m[0]); - if (a == 0) { - /* Transparent FG, NOP */ - } else if (a == 255*255) { - /* Opaque FG, COPY */ - memcpy(d, s, 4); - } else if (d[3] == 0) { - /* Full coverage, demul src */ - // dc' = ((1 - m*sa) * da*dc + m*sc)/da' = m*sc/da' = m*sc/(m*sa) = sc/sa - // da' = 1 - (1 - m*sa) * (1 - da) = 1 - (1 - m*sa) = m*sa - d[0] = NR_DEMUL_111(s[0], s[3]); - d[1] = NR_DEMUL_111(s[1], s[3]); - d[2] = NR_DEMUL_111(s[2], s[3]); - d[3] = NR_NORMALIZE_21(a); - } else if (m[0] == 255) { - /* Full composition */ - // dc' = ((1 - m*sa) * da*dc + m*sc)/da' = ((1 - sa) * da*dc + sc)/da' - // da' = 1 - (1 - m*sa) * (1 - da) = 1 - (1 - sa) * (1 - da) - unsigned int da = NR_COMPOSEA_112(s[3], d[3]); - d[0] = NR_COMPOSEPNN_111121(s[0], s[3], d[0], d[3], da); - d[1] = NR_COMPOSEPNN_111121(s[1], s[3], d[1], d[3], da); - d[2] = NR_COMPOSEPNN_111121(s[2], s[3], d[2], d[3], da); - d[3] = NR_NORMALIZE_21(da); - } else { - // dc' = ((1 - m*sa) * da*dc + m*sc)/da' - // da' = 1 - (1 - m*sa) * (1 - da) - unsigned int da = NR_COMPOSEA_213(a, d[3]); - d[0] = NR_COMPOSEPNN_221131(NR_PREMUL_112(s[0], m[0]), a, d[0], d[3], da); - d[1] = NR_COMPOSEPNN_221131(NR_PREMUL_112(s[1], m[0]), a, d[1], d[3], da); - d[2] = NR_COMPOSEPNN_221131(NR_PREMUL_112(s[2], m[0]), a, d[2], d[3], da); - d[3] = NR_NORMALIZE_31(da); - } - d += 4; - s += 4; - m += 1; - } - px += rs; - spx += srs; - mpx += mrs; - } -} - -void -nr_R8G8B8A8_P_R8G8B8A8_P_R8G8B8A8_N_A8 (unsigned char *px, int w, int h, int rs, const unsigned char *spx, int srs, const unsigned char *mpx, int mrs) -{ - unsigned int r, c; - - for (r = h; r>0; r--) { - unsigned char *d = px; - const unsigned char *s = spx; - const unsigned char *m = mpx; - for (c = w; c>0; c--) { - unsigned int a; - a = NR_PREMUL_112(s[3], m[0]); - if (a == 0) { - /* Transparent FG, NOP */ - } else if (a == 255*255) { - memcpy(d, s, 4); - } else { - d[0] = NR_COMPOSENPP_1211(s[0], a, d[0]); - d[1] = NR_COMPOSENPP_1211(s[1], a, d[1]); - d[2] = NR_COMPOSENPP_1211(s[2], a, d[2]); - d[3] = NR_COMPOSEA_211(a, d[3]); - } - d += 4; - s += 4; - m += 1; - } - px += rs; - spx += srs; - mpx += mrs; - } -} - -void -nr_R8G8B8A8_P_R8G8B8A8_P_R8G8B8A8_P_A8 (unsigned char *px, int w, int h, int rs, const unsigned char *spx, int srs, const unsigned char *mpx, int mrs) -{ - unsigned int r, c; - - for (r = h; r > 0; r--) { - unsigned char *d = px; - const unsigned char *s = spx; - const unsigned char *m = mpx; - for (c = w; c > 0; c--) { - unsigned int a; - a = NR_PREMUL_112 (s[3], m[0]); - if (a == 0) { - /* Transparent FG, NOP */ - } else if (a == 255*255) { - /* Opaque FG, COPY */ - memcpy(d, s, 4); - } else if (d[3] == 0) { - /* Transparent BG, COPY */ - // dc' = (1 - m*sa) * dc + m*sc = m*sc - // da' = 1 - (1 - m*sa) * (1 - da) = 1 - (1 - m*sa) = m*sa - d[0] = NR_PREMUL_111 (s[0], m[0]); - d[1] = NR_PREMUL_111 (s[1], m[0]); - d[2] = NR_PREMUL_111 (s[2], m[0]); - d[3] = NR_NORMALIZE_21(a); - } else { - // dc' = (1 - m*sa) * dc + m*sc - // da' = 1 - (1 - m*sa) * (1 - da) - d[0] = NR_COMPOSEPPP_2211 (NR_PREMUL_112 (s[0], m[0]), a, d[0]); - d[1] = NR_COMPOSEPPP_2211 (NR_PREMUL_112 (s[1], m[0]), a, d[1]); - d[2] = NR_COMPOSEPPP_2211 (NR_PREMUL_112 (s[2], m[0]), a, d[2]); - d[3] = NR_COMPOSEA_211(a, d[3]); - } - d += 4; - s += 4; - m += 1; - } - px += rs; - spx += srs; - mpx += mrs; - } -} - -/* FINAL DST MASK COLOR */ - -void -nr_R8G8B8A8_N_EMPTY_A8_RGBA32 (unsigned char *px, int w, int h, int rs, const unsigned char *mpx, int mrs, unsigned long rgba) -{ - unsigned int r, g, b, a; - unsigned int x, y; - - r = NR_RGBA32_R (rgba); - g = NR_RGBA32_G (rgba); - b = NR_RGBA32_B (rgba); - a = NR_RGBA32_A (rgba); - - for (y = h; y > 0; y--) { - if (a == 0) { - memset(px, 0, w*4); - } else { - unsigned char *d = px; - const unsigned char *m = mpx; - for (x = w; x > 0; x--) { - d[0] = r; - d[1] = g; - d[2] = b; - d[3] = NR_PREMUL_111 (m[0], a); - d += 4; - m += 1; - } - } - px += rs; - mpx += mrs; - } -} - -void -nr_R8G8B8A8_P_EMPTY_A8_RGBA32 (unsigned char *px, int w, int h, int rs, const unsigned char *mpx, int mrs, unsigned long rgba) -{ - unsigned int r, g, b, a; - unsigned int x, y; - - r = NR_RGBA32_R (rgba); - g = NR_RGBA32_G (rgba); - b = NR_RGBA32_B (rgba); - a = NR_RGBA32_A (rgba); - -#ifdef WITH_MMX - if (NR_PIXOPS_MMX) { - unsigned char c[4]; - c[0] = NR_PREMUL_111 (r, a); - c[1] = NR_PREMUL_111 (g, a); - c[2] = NR_PREMUL_111 (b, a); - c[3] = a; - /* WARNING: MMX composer REQUIRES w > 0 and h > 0 */ - nr_mmx_R8G8B8A8_P_EMPTY_A8_RGBAP (px, w, h, rs, mpx, mrs, c); - // This mmx optimized code is approx. 2x faster than the non-optimized code below (Measured by Diederik van Lierop, 2009-12-17) - return; - } -#endif - - if ( a != 255 ){ - // Pre-premultiply color values - r *= a; - g *= a; - b *= a; - } - - for (y = h; y > 0; y--) { - unsigned char *d = px; - const unsigned char *m = mpx; - if (a == 0) { - memset(px, 0, w*4); - } else if (a == 255) { - for (x = w; x > 0; x--) { - d[0] = NR_PREMUL_111(m[0], r); - d[1] = NR_PREMUL_111(m[0], g); - d[2] = NR_PREMUL_111(m[0], b); - d[3] = m[0]; - d += 4; - m += 1; - } - } else { - for (x = w; x > 0; x--) { - // Color values are already premultiplied with a - d[0] = NR_PREMUL_121(m[0], r); - d[1] = NR_PREMUL_121(m[0], g); - d[2] = NR_PREMUL_121(m[0], b); - d[3] = NR_PREMUL_111(m[0], a); - d += 4; - m += 1; - } - } - px += rs; - mpx += mrs; - } -} - -void -nr_R8G8B8_R8G8B8_A8_RGBA32 (unsigned char *px, int w, int h, int rs, const unsigned char *mpx, int mrs, unsigned long rgba) -{ - unsigned int r, g, b, a; - unsigned int x, y; - - r = NR_RGBA32_R (rgba); - g = NR_RGBA32_G (rgba); - b = NR_RGBA32_B (rgba); - a = NR_RGBA32_A (rgba); - - if (a == 0) { - /* NOP */ - } else if (a == 255) { - for (y = h; y > 0; y--) { - unsigned char *d = px; - const unsigned char *m = mpx; - for (x = w; x > 0; x--) { - d[0] = NR_COMPOSEN11_1111 (r, m[0], d[0]); - d[1] = NR_COMPOSEN11_1111 (g, m[0], d[1]); - d[2] = NR_COMPOSEN11_1111 (b, m[0], d[2]); - d += 3; - m += 1; - } - px += rs; - mpx += mrs; - } - } else { - for (y = h; y > 0; y--) { - unsigned char *d = px; - const unsigned char *m = mpx; - for (x = w; x > 0; x--) { - // dc' = (1 - m*sa) * dc + m*sa*sc - unsigned int alpha; - alpha = NR_PREMUL_112 (a, m[0]); - d[0] = NR_COMPOSEN11_1211 (r, alpha, d[0]); - d[1] = NR_COMPOSEN11_1211 (g, alpha, d[1]); - d[2] = NR_COMPOSEN11_1211 (b, alpha, d[2]); - d += 3; - m += 1; - } - px += rs; - mpx += mrs; - } - } -} - -void -nr_R8G8B8A8_N_R8G8B8A8_N_A8_RGBA32 (unsigned char *px, int w, int h, int rs, const unsigned char *mpx, int mrs, unsigned long rgba) -{ - unsigned int r, g, b, a; - unsigned int x, y; - - r = NR_RGBA32_R (rgba); - g = NR_RGBA32_G (rgba); - b = NR_RGBA32_B (rgba); - a = NR_RGBA32_A (rgba); - - if (a == 0) { - /* NOP */ - } else if (a == 255) { - for (y = h; y > 0; y--) { - unsigned char *d = px; - const unsigned char *m = mpx; - for (x = w; x > 0; x--) { - if (m[0] == 0) { - /* Transparent FG, NOP */ - } else if (m[0] == 255 || d[3] == 0) { - /* Full coverage, COPY */ - d[0] = r; - d[1] = g; - d[2] = b; - d[3] = m[0]; - } else { - /* Full composition */ - unsigned int da = NR_COMPOSEA_112(m[0], d[3]); - d[0] = NR_COMPOSENNN_111121(r, m[0], d[0], d[3], da); - d[1] = NR_COMPOSENNN_111121(g, m[0], d[1], d[3], da); - d[2] = NR_COMPOSENNN_111121(b, m[0], d[2], d[3], da); - d[3] = NR_NORMALIZE_21(da); - } - d += 4; - m += 1; - } - px += rs; - mpx += mrs; - } - } else { - for (y = h; y > 0; y--) { - unsigned char *d = px; - const unsigned char *m = mpx; - for (x = w; x > 0; x--) { - unsigned int ca; - ca = NR_PREMUL_112 (m[0], a); - if (ca == 0) { - /* Transparent FG, NOP */ - } else if (d[3] == 0) { - /* Full coverage, COPY */ - d[0] = r; - d[1] = g; - d[2] = b; - d[3] = NR_NORMALIZE_21(ca); - } else { - /* Full composition */ - unsigned int da = NR_COMPOSEA_213(ca, d[3]); - d[0] = NR_COMPOSENNN_121131(r, ca, d[0], d[3], da); - d[1] = NR_COMPOSENNN_121131(g, ca, d[1], d[3], da); - d[2] = NR_COMPOSENNN_121131(b, ca, d[2], d[3], da); - d[3] = NR_NORMALIZE_31(da); - } - d += 4; - m += 1; - } - px += rs; - mpx += mrs; - } - } -} - -void -nr_R8G8B8A8_P_R8G8B8A8_P_A8_RGBA32 (unsigned char *px, int w, int h, int rs, const unsigned char *spx, int srs, unsigned long rgba) -{ - unsigned int r, g, b, a; - unsigned int x, y; - - r = NR_RGBA32_R (rgba); - g = NR_RGBA32_G (rgba); - b = NR_RGBA32_B (rgba); - a = NR_RGBA32_A (rgba); - -#ifdef WITH_MMX - if (NR_PIXOPS_MMX && a != 0) { - unsigned char c[4]; - c[0] = NR_PREMUL_111 (r, a); - c[1] = NR_PREMUL_111 (g, a); - c[2] = NR_PREMUL_111 (b, a); - c[3] = a; - /* WARNING: MMX composer REQUIRES w > 0 and h > 0 */ - nr_mmx_R8G8B8A8_P_R8G8B8A8_P_A8_RGBAP (px, w, h, rs, spx, srs, c); - return; - } -#endif - - if (a == 0) { - /* Transparent FG, NOP */ - } else if (a == 255) { - /* Simple */ - for (y = h; y > 0; y--) { - unsigned char *d, *s; - d = (unsigned char *) px; - s = (unsigned char *) spx; - for (x = w; x > 0; x--) { - if (s[0] == 0) { - /* Transparent FG, NOP */ - } else { - /* Full composition */ - unsigned int invca = 255-s[0]; // By swapping the arguments GCC can better optimize these calls - d[0] = NR_COMPOSENPP_1111(d[0], invca, r); - d[1] = NR_COMPOSENPP_1111(d[1], invca, g); - d[2] = NR_COMPOSENPP_1111(d[2], invca, b); - d[3] = NR_COMPOSEA_111(s[0], d[3]); - } - d += 4; - s += 1; - } - px += rs; - spx += srs; - } - } else { - for (y = h; y > 0; y--) { - unsigned char *d, *s; - d = (unsigned char *) px; - s = (unsigned char *) spx; - for (x = w; x > 0; x--) { - unsigned int ca; - ca = NR_PREMUL_112 (s[0], a); - if (ca == 0) { - /* Transparent FG, NOP */ - } else { - /* Full composition */ - unsigned int invca = 255*255-ca; // By swapping the arguments GCC can better optimize these calls - d[0] = NR_COMPOSENPP_1211(d[0], invca, r); - d[1] = NR_COMPOSENPP_1211(d[1], invca, g); - d[2] = NR_COMPOSENPP_1211(d[2], invca, b); - d[3] = NR_COMPOSEA_211(ca, d[3]); - } - d += 4; - s += 1; - } - px += rs; - spx += srs; - } - } -} - -/* RGB */ - -void -nr_R8G8B8_R8G8B8_R8G8B8A8_P (unsigned char *px, int w, int h, int rs, const unsigned char *spx, int srs, unsigned int alpha) -{ - unsigned int r, c; - -#ifdef WITH_MMX - if (NR_PIXOPS_MMX && alpha != 0) { - /* WARNING: MMX composer REQUIRES w > 0 and h > 0 */ - nr_mmx_R8G8B8_R8G8B8_R8G8B8A8_P (px, w, h, rs, spx, srs, alpha); - return; - } -#endif - - if (alpha == 0) { - /* NOP */ - } else if (alpha == 255) { - for (r = h; r > 0; r--) { - unsigned char *d = px; - const unsigned char *s = spx; - for (c = w; c > 0; c--) { - // dc' = (1 - alpha*sa) * dc + alpha*sc = (1 - sa) * dc + sc - if (s[3] == 0) { - /* NOP */ - } else if (s[3] == 255) { - d[0] = s[0]; - d[1] = s[1]; - d[2] = s[2]; - } else { - d[0] = NR_COMPOSEP11_1111(s[0], s[3], d[0]); - d[1] = NR_COMPOSEP11_1111(s[1], s[3], d[1]); - d[2] = NR_COMPOSEP11_1111(s[2], s[3], d[2]); - } - d += 3; - s += 4; - } - px += rs; - spx += srs; - } - } else { - for (r = h; r > 0; r--) { - unsigned char *d = px; - const unsigned char *s = spx; - for (c = w; c > 0; c--) { - unsigned int a; - a = NR_PREMUL_112(s[3], alpha); - // dc' = (1 - alpha*sa) * dc + alpha*sc - if (a == 0) { - /* NOP */ - } else { - d[0] = NR_COMPOSEP11_2211(NR_PREMUL_112(s[0], alpha), a, d[0]); - d[1] = NR_COMPOSEP11_2211(NR_PREMUL_112(s[1], alpha), a, d[1]); - d[2] = NR_COMPOSEP11_2211(NR_PREMUL_112(s[2], alpha), a, d[2]); - } - /* a == 255 is impossible, because alpha < 255 */ - d += 3; - s += 4; - } - px += rs; - spx += srs; - } - } -} - -void -nr_R8G8B8_R8G8B8_R8G8B8A8_N (unsigned char *px, int w, int h, int rs, const unsigned char *spx, int srs, unsigned int alpha) -{ - unsigned int r, c; - - if (alpha == 0) { - /* NOP */ - } else if (alpha == 255) { - for (r = h; r > 0; r--) { - unsigned char *d = px; - const unsigned char *s = spx; - for (c = w; c > 0; c--) { - // dc' = (1 - alpha*sa) * dc + alpha*sa*sc = (1 - sa) * dc + sa*sc - if (s[3] == 0) { - /* NOP */ - } else if (s[3] == 255) { - d[0] = s[0]; - d[1] = s[1]; - d[2] = s[2]; - } else { - d[0] = NR_COMPOSEN11_1111(s[0], s[3], d[0]); - d[1] = NR_COMPOSEN11_1111(s[1], s[3], d[1]); - d[2] = NR_COMPOSEN11_1111(s[2], s[3], d[2]); - } - d += 3; - s += 4; - } - px += rs; - spx += srs; - } - } else { - for (r = h; r > 0; r--) { - unsigned char *d = px; - const unsigned char *s = spx; - for (c = w; c > 0; c--) { - unsigned int a; - a = NR_PREMUL_112(s[3], alpha); - // dc' = (1 - alpha*sa) * dc + alpha*sa*sc - if (a == 0) { - /* NOP */ - } else { - d[0] = NR_COMPOSEN11_1211(s[0], a, d[0]); - d[1] = NR_COMPOSEN11_1211(s[1], a, d[1]); - d[2] = NR_COMPOSEN11_1211(s[2], a, d[2]); - } - /* a == 255 is impossible, because alpha < 255 */ - d += 3; - s += 4; - } - px += rs; - spx += srs; - } - } -} - -void -nr_R8G8B8_R8G8B8_R8G8B8A8_P_A8 (unsigned char *px, int w, int h, int rs, const unsigned char *spx, int srs, const unsigned char *mpx, int mrs) -{ - unsigned int x, y; - - for (y = h; y > 0; y--) { - unsigned char* d = px; - const unsigned char* s = spx; - const unsigned char* m = mpx; - for (x = w; x > 0; x--) { - unsigned int a; - a = NR_PREMUL_112(s[3], m[0]); - if (a == 0) { - /* NOP */ - } else if (a == 255*255) { - memcpy(d, s, 3); - } else { - // dc' = (1 - m*sa) * dc + m*sc - d[0] = NR_COMPOSEP11_2211(NR_PREMUL_112(s[0], m[0]), a, d[0]); - d[1] = NR_COMPOSEP11_2211(NR_PREMUL_112(s[1], m[0]), a, d[1]); - d[2] = NR_COMPOSEP11_2211(NR_PREMUL_112(s[2], m[0]), a, d[2]); - } - d += 3; - s += 4; - m += 1; - } - px += rs; - spx += srs; - mpx += mrs; - } -} - -void -nr_R8G8B8_R8G8B8_R8G8B8A8_N_A8 (unsigned char *px, int w, int h, int rs, const unsigned char *spx, int srs, const unsigned char *mpx, int mrs) -{ - unsigned int x, y; - - for (y = h; y > 0; y--) { - unsigned char* d = px; - const unsigned char* s = spx; - const unsigned char* m = mpx; - for (x = w; x > 0; x--) { - unsigned int a; - a = NR_PREMUL_112(s[3], m[0]); - if (a == 0) { - /* NOP */ - } else if (a == 255*255) { - memcpy(d, s, 3); - } else { - // dc' = (1 - m*sa) * dc + m*sa*sc - d[0] = NR_COMPOSEN11_1211(s[0], a, d[0]); - d[1] = NR_COMPOSEN11_1211(s[1], a, d[1]); - d[2] = NR_COMPOSEN11_1211(s[2], a, d[2]); - } - d += 3; - s += 4; - m += 1; - } - px += rs; - spx += srs; - mpx += mrs; - } -} - - |