Searched refs:gf (Results 1 – 1 of 1) sorted by relevance
| /PHP-7.4/ext/gd/libgd/ |
| H A D | gd_filter.c | 236 double rf,gf,bf; in gdImageContrast() local
271 gf = (double)g/255.0; in gdImageContrast()
272 gf = gf-0.5; in gdImageContrast()
273 gf = gf*contrast; in gdImageContrast()
274 gf = gf+0.5; in gdImageContrast()
275 gf = gf*255.0; in gdImageContrast()
278 gf = (gf > 255.0)? 255.0 : ((gf < 0.0)? 0.0:gf); in gdImageContrast()
281 new_pxl = gdImageColorAllocateAlpha(src, (int)rf, (int)gf, (int)bf, a); in gdImageContrast()
283 new_pxl = gdImageColorClosestAlpha(src, (int)rf, (int)gf, (int)bf, a); in gdImageContrast()
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