diff options
Diffstat (limited to 'source/fitz/draw-paint.c')
| -rw-r--r-- | source/fitz/draw-paint.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/source/fitz/draw-paint.c b/source/fitz/draw-paint.c index 56bc29c4..ef08dc98 100644 --- a/source/fitz/draw-paint.c +++ b/source/fitz/draw-paint.c @@ -246,6 +246,54 @@ fz_paint_solid_color_N_general(byte * restrict dp, int n, int w, const byte * re return; if (sa == 256) { + if (n == 3 && w >= 8) + { + union {uint32_t w[3]; byte b[12];} u; + + u.b[0] = u.b[3] = u.b[6] = u.b[9] = color[0]; + u.b[1] = u.b[4] = u.b[7] = u.b[10] = color[1]; + u.b[2] = u.b[5] = u.b[8] = u.b[11] = color[2]; + + switch (((intptr_t)dp) & 3) + { + case 3: + *dp++ = color[0]; + *(uint32_t *)dp = u.w[1]; + dp += 4; + *(uint32_t *)dp = u.w[2]; + dp += 4; + w -= 3; + break; + case 2: + *dp++ = color[0]; + *dp++ = color[1]; + *(uint32_t *)dp = u.w[2]; + dp += 4; + w -= 2; + break; + case 1: + *dp++ = color[0]; + *dp++ = color[1]; + *dp++ = color[2]; + w -= 1; + break; + } + w -= 4; + do + { + *(uint32_t *)dp = u.w[0]; + dp += 4; + *(uint32_t *)dp = u.w[1]; + dp += 4; + *(uint32_t *)dp = u.w[2]; + dp += 4; + w -= 4; + } + while (w > 0); + w += 4; + if (w == 0) + return; + } do { dp[0] = color[0]; |