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volume bar渐变颜色

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Nana 2024-05-27 12:47:18 +08:00
parent 7903a2ba95
commit bff8f3818c
1 changed files with 11 additions and 1 deletions
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12
Arona/src/widget/misc/w_volume_bar.cpp
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@ -15,8 +15,18 @@ void w_volume_bar::on_draw(const Cairo::RefPtr<Cairo::Context>& cr, int width, i
cr->set_source_rgba(0.0, 0.0, 0.0, 1.0);
cr->fill();
Cairo::RefPtr<Cairo::LinearGradient> line_color;
if (is_vertical) {
line_color = Cairo::LinearGradient::create(0, 0, 0, height);
} else {
line_color = Cairo::LinearGradient::create(0, 0, width, 0);
}
line_color->add_color_stop_rgb(0, 0.0, 1.0, 0.0);
line_color->add_color_stop_rgb(0.7, 0.5, 0.5, 0.0); // (0.5, 0.5, 0.5)
line_color->add_color_stop_rgb(1, 1.0, 0.0, 0.0);
cr->set_source(line_color);
// draw value bar
cr->set_source_rgba(0.0, 1.0, 1.0, 1.0);
if (is_vertical) {
cr->rectangle(0, height * (1 - value_), width, height * value_);
} else {