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add image_region ui widget which allows specifying a texture sub-region

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Gered 2023-05-30 18:51:29 -04:00
parent d80720f772
commit 8557c24d48
1 changed files with 20 additions and 0 deletions
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20
ggdt_imgui/src/lib.rs
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@ -73,6 +73,8 @@ pub trait UiSupport {
fn is_any_hovered(&self) -> bool; fn is_any_hovered(&self) -> bool;
fn is_any_focused(&self) -> bool; fn is_any_focused(&self) -> bool;
fn image(&self, id: impl AsRef<str>, texture_id: imgui::TextureId, size: [f32; 2]) -> bool; fn image(&self, id: impl AsRef<str>, texture_id: imgui::TextureId, size: [f32; 2]) -> bool;
fn image_region(&self, id: impl AsRef<str>, texture_id: imgui::TextureId, size: [f32; 2], region: [f32; 4])
-> bool;
} }
impl UiSupport for imgui::Ui { impl UiSupport for imgui::Ui {
@ -98,4 +100,22 @@ impl UiSupport for imgui::Ui {
draw_list.add_image(texture_id, self.item_rect_min(), self.item_rect_max()).build(); draw_list.add_image(texture_id, self.item_rect_min(), self.item_rect_max()).build();
clicked clicked
} }
fn image_region(
&self,
id: impl AsRef<str>,
texture_id: imgui::TextureId,
size: [f32; 2],
region: [f32; 4],
) -> bool {
let clicked = self.invisible_button(id, size);
let draw_list = self.get_window_draw_list();
draw_list
.add_image(texture_id, self.item_rect_min(), self.item_rect_max())
.uv_min([region[0], region[1]])
.uv_max([region[2], region[3]])
.build();
clicked
}
} }