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[fontations] Refactor make_color_line

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Behdad Esfahbod 2025-03-05 00:31:55 -07:00 • committed by Khaled Hosny
parent 4b1f655a83
commit d72968efac
1 changed files with 12 additions and 8 deletions
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20
src/fontations/lib.rs
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@ -344,6 +344,16 @@ impl HbColorPainter {
| ((c.alpha as f32 * alpha) as u32)) as hb_color_t
}
}
fn make_color_line(&mut self, color_stops : &ColorLineData) -> hb_color_line_t {
let mut cl = unsafe { std::mem::zeroed::<hb_color_line_t>() };
cl.data = self as *mut HbColorPainter as *mut ::std::os::raw::c_void;
cl.get_color_stops = Some(_hb_fontations_get_color_stops);
cl.get_color_stops_user_data = color_stops as *const ColorLineData as *mut ::std::os::raw::c_void;
cl.get_extend = Some(_hb_fontations_get_extend);
cl.get_extend_user_data = color_stops as *const ColorLineData as *mut ::std::os::raw::c_void;
cl
}
}
struct ColorLineData<'a> {
@ -475,18 +485,12 @@ impl ColorPainter for HbColorPainter {
p1,
} => {
let color_stops = ColorLineData { color_stops: &color_stops, extend };
let mut color_line = self.make_color_line(&color_stops);
unsafe {
let mut cl = std::mem::zeroed::<hb_color_line_t>();
cl.data = self as *mut HbColorPainter as *mut ::std::os::raw::c_void;
cl.get_color_stops = Some(_hb_fontations_get_color_stops);
cl.get_color_stops_user_data = &color_stops as *const ColorLineData as *mut ::std::os::raw::c_void;
cl.get_extend = Some(_hb_fontations_get_extend);
cl.get_extend_user_data = &extend as *const Extend as *mut ::std::os::raw::c_void;
hb_paint_linear_gradient(
self.paint_funcs,
self.paint_data,
&mut cl,
&mut color_line,
p0.x,
p0.y,
p1.x,