Lines Matching full:composition
1465 * the encoding, scale the color values, perform the composition and reencode
1484 * standard alpha composition is relatively low, because the pixels are
1493 * correctly undoes the encoding before handling alpha composition. Use this
1622 * those) you do the composition math using png_composite or png_composite_16
3419 * color; otherwise it may be NULL and any composition will be done directly
