efl/src/modules/evas/image_loaders/png
Hermet Park 1f438bd1f0 evas png loader: optimize scale down logic.
Previously, mannual scale down logic was too primitive,
it copied pixel data each channels. Obviously, it's ineffective.

We know the general case - 4 bytes channel which is the most usage,
If loader copies data per four bytes, instructions could be reduced.

When I load scale-downed image(original 8k), about 0.02 secs was reduced by this.
2019-04-29 20:02:34 +09:00
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evas_image_load_png.c evas png loader: optimize scale down logic. 2019-04-29 20:02:34 +09:00