michael/pathfinder
michael
/
pathfinder
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Generalize `draw_image_switch` to multiple segments

This commit is contained in:
Patrick Walton 2019-05-08 10:38:12 -07:00
parent 0d25fd0eab
commit 940605fbb5
2 changed files with 14 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
demo/common/src/ui.rs
View File

@ -490,7 +490,6 @@ where
debug_ui_presenter.ui_presenter.draw_solid_rect(device, slider_knob_rect, TEXT_COLOR);
}
fn draw_screenshot_menu_item<W>(
&mut self,
device: &D,

37
ui/src/lib.rs
View File

@ -449,35 +449,26 @@ impl<D> UIPresenter<D> where D: Device {
value
}
/// TODO(pcwalton): Support switches with more than two segments.
pub fn draw_image_switch(&mut self,
device: &D,
origin: Point2DI32,
off_texture: &D::Texture,
on_texture: &D::Texture,
mut value: bool)
-> bool {
mut origin: Point2DI32,
segment_textures: &[&D::Texture],
mut value: u8)
-> u8 {
if let Some(new_value) = self.draw_segmented_control(device,
origin,
Some(value as u8),
2) {
value = new_value != 0;
Some(value),
segment_textures.len() as u8) {
value = new_value;
}
let off_offset = SEGMENT_SIZE / 2 - device.texture_size(off_texture).x() / 2;
let on_offset = SEGMENT_SIZE + SEGMENT_SIZE / 2 - device.texture_size(on_texture).x() / 2;
let off_color = if !value { WINDOW_COLOR } else { TEXT_COLOR };
let on_color = if value { WINDOW_COLOR } else { TEXT_COLOR };
self.draw_texture(device,
origin + Point2DI32::new(off_offset, PADDING),
off_texture,
off_color);
self.draw_texture(device,
origin + Point2DI32::new(on_offset, PADDING),
on_texture,
on_color);
for (segment_index, segment_texture) in segment_textures.iter().enumerate() {
let texture_width = device.texture_size(segment_texture).x();
let offset = SEGMENT_SIZE / 2 - texture_width / 2;
let color = if segment_index as u8 == value { TEXT_COLOR } else { WINDOW_COLOR };
self.draw_texture(device, origin + Point2DI32::new(offset, 0), segment_texture, color);
origin += Point2DI32::new(SEGMENT_SIZE + 1, 0);
}
value
}