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rename blend_source_by_value to blend_argb32_source_by

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which is probably not objectively better or worse ...
This commit is contained in:
Gered 2023-04-04 15:27:13 -04:00
parent 30e7be38db
commit 173aaa2579
1 changed files with 14 additions and 14 deletions
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28
ggdt/src/graphics/color.rs
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@ -40,7 +40,7 @@ impl BlendFunction {
use BlendFunction::*;
match self {
Blend => blend_argb32(src, dest),
BlendSourceWithAlpha(opacity) => blend_source_by_value(src, dest, *opacity),
BlendSourceWithAlpha(opacity) => blend_argb32_source_by(src, dest, *opacity),
TintedBlend(tint) => {
let tinted = tint_argb32(src, *tint);
blend_argb32(tinted, dest)
@ -239,7 +239,7 @@ pub fn blend_argb32(src: u32, dest: u32) -> u32 {
///
/// returns: the blended result
#[inline]
pub fn blend_source_by_value(src: u32, dest: u32, alpha: u8) -> u32 {
pub fn blend_argb32_source_by(src: u32, dest: u32, alpha: u8) -> u32 {
let (src_a, src_r, src_g, src_b) = from_argb32(src);
let (dest_r, dest_g, dest_b) = from_rgb32(dest);
let alpha = ((alpha as u16 * src_a as u16) / 255) as u8;
@ -433,21 +433,21 @@ mod tests {
assert_eq!(0x7f333b44, blend_argb32(0x7f112233, 0x7f555555));
assert_eq!(0x7f555555, blend_argb32(0x00112233, 0x7f555555));
assert_eq!(0xff112233, blend_source_by_value(0xff112233, 0xff555555, 255));
assert_eq!(0x7f333b44, blend_source_by_value(0x7f112233, 0xff555555, 255));
assert_eq!(0x00555555, blend_source_by_value(0x00112233, 0xff555555, 255));
assert_eq!(0xff112233, blend_argb32_source_by(0xff112233, 0xff555555, 255));
assert_eq!(0x7f333b44, blend_argb32_source_by(0x7f112233, 0xff555555, 255));
assert_eq!(0x00555555, blend_argb32_source_by(0x00112233, 0xff555555, 255));
assert_eq!(0xff112233, blend_source_by_value(0xff112233, 0x7f555555, 255));
assert_eq!(0x7f333b44, blend_source_by_value(0x7f112233, 0x7f555555, 255));
assert_eq!(0x00555555, blend_source_by_value(0x00112233, 0x7f555555, 255));
assert_eq!(0xff112233, blend_argb32_source_by(0xff112233, 0x7f555555, 255));
assert_eq!(0x7f333b44, blend_argb32_source_by(0x7f112233, 0x7f555555, 255));
assert_eq!(0x00555555, blend_argb32_source_by(0x00112233, 0x7f555555, 255));
assert_eq!(0x80323b43, blend_source_by_value(0xff112233, 0xff555555, 128));
assert_eq!(0x3f44484c, blend_source_by_value(0x7f112233, 0xff555555, 128));
assert_eq!(0x00555555, blend_source_by_value(0x00112233, 0xff555555, 128));
assert_eq!(0x80323b43, blend_argb32_source_by(0xff112233, 0xff555555, 128));
assert_eq!(0x3f44484c, blend_argb32_source_by(0x7f112233, 0xff555555, 128));
assert_eq!(0x00555555, blend_argb32_source_by(0x00112233, 0xff555555, 128));
assert_eq!(0x00555555, blend_source_by_value(0xff112233, 0xff555555, 0));
assert_eq!(0x00555555, blend_source_by_value(0x7f112233, 0xff555555, 0));
assert_eq!(0x00555555, blend_source_by_value(0x00112233, 0xff555555, 0));
assert_eq!(0x00555555, blend_argb32_source_by(0xff112233, 0xff555555, 0));
assert_eq!(0x00555555, blend_argb32_source_by(0x7f112233, 0xff555555, 0));
assert_eq!(0x00555555, blend_argb32_source_by(0x00112233, 0xff555555, 0));
}
#[test]