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alpha-multiplier: perform multiplication in the renderer

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This commit is contained in:
Julian Orth 2025-02-22 11:14:51 +01:00
parent 33718340f7
commit 0872a1251d
8 changed files with 46 additions and 22 deletions
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20
src/renderer/renderer_base.rs
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@ -64,19 +64,27 @@ impl RendererBase<'_> {
rect
}
pub fn fill_scaled_boxes(&mut self, boxes: &[Rect], color: &Color) {
self.fill_boxes3(boxes, color, 0, 0, true);
pub fn fill_scaled_boxes(&mut self, boxes: &[Rect], color: &Color, alpha: Option<f32>) {
self.fill_boxes3(boxes, color, alpha, 0, 0, true);
}
pub fn fill_boxes(&mut self, boxes: &[Rect], color: &Color) {
self.fill_boxes3(boxes, color, 0, 0, false);
self.fill_boxes3(boxes, color, None, 0, 0, false);
}
pub fn fill_boxes2(&mut self, boxes: &[Rect], color: &Color, dx: i32, dy: i32) {
self.fill_boxes3(boxes, color, dx, dy, false);
self.fill_boxes3(boxes, color, None, dx, dy, false);
}
pub fn fill_boxes3(&mut self, boxes: &[Rect], color: &Color, dx: i32, dy: i32, scaled: bool) {
pub fn fill_boxes3(
&mut self,
boxes: &[Rect],
color: &Color,
alpha: Option<f32>,
dx: i32,
dy: i32,
scaled: bool,
) {
if boxes.is_empty() || *color == Color::TRANSPARENT {
return;
}
@ -97,6 +105,7 @@ impl RendererBase<'_> {
self.fb_height,
),
color: *color,
alpha,
}));
}
}
@ -129,6 +138,7 @@ impl RendererBase<'_> {
self.fb_height,
),
color: *color,
alpha: None,
}));
}
}