Lines Matching refs:alpha
90 output alpha.
103 data, alpha (if provided) is discarded, and for monochrome data it is
109 JPEG does ignore alpha channels in input data; quality is between 1 and 100.
427 case 2: // 2 pixels = mono + alpha, alpha is written separately, so same as 1-channel case
478 static int stbiw__outfile(stbi__write_context *s, int rgb_dir, int vdir, int x, int y, int comp, int expand_mono, void *data, int alpha, int pad, const char *fmt, ...)
487 stbiw__write_pixels(s,rgb_dir,vdir,x,y,comp,data,alpha,pad, expand_mono);
503 // use BI_BITFIELDS mode with 32bpp and alpha mask
504 // (straight BI_RGB with alpha mask doesn't work in most readers)
1527 // comp == 2 is grey+alpha (alpha is ignored)
1633 support writing BMPs with alpha channel