diff options
Diffstat (limited to 'fitz/res_colorspace.c')
| -rw-r--r-- | fitz/res_colorspace.c | 70 |
1 files changed, 35 insertions, 35 deletions
diff --git a/fitz/res_colorspace.c b/fitz/res_colorspace.c index edda776d..50c0a8f7 100644 --- a/fitz/res_colorspace.c +++ b/fitz/res_colorspace.c @@ -86,13 +86,13 @@ static void cmyk_to_rgb(fz_context *ctx, fz_colorspace *cs, float *cmyk, float * float c1m = m - cm; float cm1 = c - cm; float c1m1 = 1 - m - cm1; - float c1m1y = c1m1 * y; + float c1m1y = c1m1 * y; float c1m1y1 = c1m1 - c1m1y; - float c1my = c1m * y; + float c1my = c1m * y; float c1my1 = c1m - c1my; - float cm1y = cm1 * y; + float cm1y = cm1 * y; float cm1y1 = cm1 - cm1y; - float cmy = cm * y; + float cmy = cm * y; float cmy1 = cm - cmy; /* this is a matrix multiplication, unrolled for performance */ @@ -389,13 +389,13 @@ static void fast_cmyk_to_rgb(fz_context *ctx, fz_pixmap *dst, fz_pixmap *src) c1m = (m<<8) - cm; cm1 = (c<<8) - cm; c1m1 = ((256 - m)<<8) - cm1; - c1m1y = c1m1 * y; + c1m1y = c1m1 * y; c1m1y1 = (c1m1<<7) - c1m1y; - c1my = c1m * y; + c1my = c1m * y; c1my1 = (c1m<<7) - c1my; - cm1y = cm1 * y; + cm1y = cm1 * y; cm1y1 = (cm1<<7) - cm1y; - cmy = cm * y; + cmy = cm * y; cmy1 = (cm<<7) - cmy; /* this is a matrix multiplication, unrolled for performance */ @@ -403,67 +403,67 @@ static void fast_cmyk_to_rgb(fz_context *ctx, fz_pixmap *dst, fz_pixmap *src) x0 = (c1m1y1<<8) - x1; /* 0 0 0 0 */ x1 = x1>>8; /* From 23 fractional bits to 15 */ r = g = b = x0; - r += 35 * x1; /* 0.1373 */ - g += 31 * x1; /* 0.1216 */ - b += 32 * x1; /* 0.1255 */ + r += 35 * x1; /* 0.1373 */ + g += 31 * x1; /* 0.1216 */ + b += 32 * x1; /* 0.1255 */ x1 = c1m1y * k; /* 0 0 1 1 */ x0 = (c1m1y<<8) - x1; /* 0 0 1 0 */ x1 >>= 8; /* From 23 fractional bits to 15 */ - r += 28 * x1; /* 0.1098 */ - g += 26 * x1; /* 0.1020 */ + r += 28 * x1; /* 0.1098 */ + g += 26 * x1; /* 0.1020 */ r += x0; x0 >>= 8; /* From 23 fractional bits to 15 */ - g += 243 * x0; /* 0.9490 */ + g += 243 * x0; /* 0.9490 */ x1 = c1my1 * k; /* 0 1 0 1 */ x0 = (c1my1<<8) - x1; /* 0 1 0 0 */ x1 >>= 8; /* From 23 fractional bits to 15 */ x0 >>= 8; /* From 23 fractional bits to 15 */ - r += 36 * x1; /* 0.1412 */ - r += 237 * x0; /* 0.9255 */ - b += 141 * x0; /* 0.5490 */ + r += 36 * x1; /* 0.1412 */ + r += 237 * x0; /* 0.9255 */ + b += 141 * x0; /* 0.5490 */ x1 = c1my * k; /* 0 1 1 1 */ x0 = (c1my<<8) - x1; /* 0 1 1 0 */ x1 >>= 8; /* From 23 fractional bits to 15 */ x0 >>= 8; /* From 23 fractional bits to 15 */ - r += 34 * x1; /* 0.1333 */ - r += 238 * x0; /* 0.9294 */ - g += 28 * x0; /* 0.1098 */ - b += 36 * x0; /* 0.1412 */ + r += 34 * x1; /* 0.1333 */ + r += 238 * x0; /* 0.9294 */ + g += 28 * x0; /* 0.1098 */ + b += 36 * x0; /* 0.1412 */ x1 = cm1y1 * k; /* 1 0 0 1 */ x0 = (cm1y1<<8) - x1; /* 1 0 0 0 */ x1 >>= 8; /* From 23 fractional bits to 15 */ x0 >>= 8; /* From 23 fractional bits to 15 */ - g += 15 * x1; /* 0.0588 */ - b += 36 * x1; /* 0.1412 */ - g += 174 * x0; /* 0.6784 */ - b += 240 * x0; /* 0.9373 */ + g += 15 * x1; /* 0.0588 */ + b += 36 * x1; /* 0.1412 */ + g += 174 * x0; /* 0.6784 */ + b += 240 * x0; /* 0.9373 */ x1 = cm1y * k; /* 1 0 1 1 */ x0 = (cm1y<<8) - x1; /* 1 0 1 0 */ x1 >>= 8; /* From 23 fractional bits to 15 */ x0 >>= 8; /* From 23 fractional bits to 15 */ - g += 19 * x1; /* 0.0745 */ - g += 167 * x0; /* 0.6510 */ - b += 80 * x0; /* 0.3137 */ + g += 19 * x1; /* 0.0745 */ + g += 167 * x0; /* 0.6510 */ + b += 80 * x0; /* 0.3137 */ x1 = cmy1 * k; /* 1 1 0 1 */ x0 = (cmy1<<8) - x1; /* 1 1 0 0 */ x1 >>= 8; /* From 23 fractional bits to 15 */ x0 >>= 8; /* From 23 fractional bits to 15 */ - b += 2 * x1; /* 0.0078 */ - r += 46 * x0; /* 0.1804 */ - g += 49 * x0; /* 0.1922 */ - b += 147 * x0; /* 0.5725 */ + b += 2 * x1; /* 0.0078 */ + r += 46 * x0; /* 0.1804 */ + g += 49 * x0; /* 0.1922 */ + b += 147 * x0; /* 0.5725 */ x0 = cmy * (256-k); /* 1 1 1 0 */ x0 >>= 8; /* From 23 fractional bits to 15 */ - r += 54 * x0; /* 0.2118 */ - g += 54 * x0; /* 0.2119 */ - b += 57 * x0; /* 0.2235 */ + r += 54 * x0; /* 0.2118 */ + g += 54 * x0; /* 0.2119 */ + b += 57 * x0; /* 0.2235 */ r -= (r>>8); g -= (g>>8); |