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use crate::*;
impl Widget for &epaint::Texture {
fn ui(self, ui: &mut Ui) -> Response {
use epaint::Mesh;
ui.vertical(|ui| {
ui.label(format!(
"Texture size: {} x {} (hover to zoom)",
self.width, self.height
));
if self.width <= 1 || self.height <= 1 {
return;
}
let mut size = vec2(self.width as f32, self.height as f32);
if size.x > ui.available_width() {
size *= ui.available_width() / size.x;
}
let (rect, response) = ui.allocate_at_least(size, Sense::hover());
let mut mesh = Mesh::default();
mesh.add_rect_with_uv(
rect,
[pos2(0.0, 0.0), pos2(1.0, 1.0)].into(),
Color32::WHITE,
);
ui.painter().add(Shape::mesh(mesh));
let (tex_w, tex_h) = (self.width as f32, self.height as f32);
response
.on_hover_cursor(CursorIcon::ZoomIn)
.on_hover_ui_at_pointer(|ui| {
if let Some(pos) = ui.input().pointer.latest_pos() {
let (_id, zoom_rect) = ui.allocate_space(vec2(128.0, 128.0));
let u = remap_clamp(pos.x, rect.x_range(), 0.0..=tex_w);
let v = remap_clamp(pos.y, rect.y_range(), 0.0..=tex_h);
let texel_radius = 32.0;
let u = u.at_least(texel_radius).at_most(tex_w - texel_radius);
let v = v.at_least(texel_radius).at_most(tex_h - texel_radius);
let uv_rect = Rect::from_min_max(
pos2((u - texel_radius) / tex_w, (v - texel_radius) / tex_h),
pos2((u + texel_radius) / tex_w, (v + texel_radius) / tex_h),
);
let mut mesh = Mesh::default();
mesh.add_rect_with_uv(zoom_rect, uv_rect, Color32::WHITE);
ui.painter().add(Shape::mesh(mesh));
}
});
})
.response
}
}
impl Widget for &mut epaint::text::FontDefinitions {
fn ui(self, ui: &mut Ui) -> Response {
ui.vertical(|ui| {
for (text_style, (_family, size)) in self.family_and_size.iter_mut() {
ui.add(
Slider::new(size, 4.0..=40.0)
.max_decimals(0)
.text(format!("{:?}", text_style)),
);
}
crate::reset_button(ui, self);
})
.response
}
}
impl Widget for &epaint::stats::PaintStats {
fn ui(self, ui: &mut Ui) -> Response {
ui.vertical(|ui| {
ui.label(
"egui generates intermediate level shapes like circles and text. \
These are later tessellated into triangles.",
);
ui.add_space(10.0);
ui.style_mut().body_text_style = TextStyle::Monospace;
let epaint::stats::PaintStats {
shapes,
shape_text,
shape_path,
shape_mesh,
shape_vec,
text_shape_vertices,
text_shape_indices,
clipped_meshes,
vertices,
indices,
} = self;
ui.label("Intermediate:");
label(ui, shapes, "shapes").on_hover_text("Boxes, circles, etc");
label(ui, shape_text, "text (mostly cached)");
label(ui, shape_path, "paths");
label(ui, shape_mesh, "nested meshes");
label(ui, shape_vec, "nested shapes");
ui.add_space(10.0);
ui.label("Text shapes:");
label(ui, text_shape_vertices, "vertices");
label(ui, text_shape_indices, "indices")
.on_hover_text("Three 32-bit indices per triangles");
ui.add_space(10.0);
ui.label("Tessellated (and culled):");
label(ui, clipped_meshes, "clipped_meshes")
.on_hover_text("Number of separate clip rectangles");
label(ui, vertices, "vertices");
label(ui, indices, "indices").on_hover_text("Three 32-bit indices per triangles");
ui.add_space(10.0);
})
.response
}
}
pub fn label(ui: &mut Ui, alloc_info: &epaint::stats::AllocInfo, what: &str) -> Response {
ui.add(Label::new(alloc_info.format(what)).wrap(false))
}
impl Widget for &mut epaint::TessellationOptions {
fn ui(self, ui: &mut Ui) -> Response {
ui.vertical(|ui| {
let epaint::TessellationOptions {
pixels_per_point: _,
aa_size: _,
anti_alias,
coarse_tessellation_culling,
debug_paint_clip_rects,
debug_paint_text_rects,
debug_ignore_clip_rects,
} = self;
ui.checkbox(anti_alias, "Antialias")
.on_hover_text("Turn off for small performance gain.");
ui.collapsing("debug", |ui| {
ui.checkbox(
coarse_tessellation_culling,
"Do coarse culling in the tessellator",
);
ui.checkbox(debug_ignore_clip_rects, "Ignore clip rectangles");
ui.checkbox(debug_paint_clip_rects, "Paint clip rectangles");
ui.checkbox(debug_paint_text_rects, "Paint text bounds");
});
})
.response
}
}
impl Widget for &memory::Interaction {
fn ui(self, ui: &mut Ui) -> Response {
ui.vertical(|ui| {
ui.label(format!("click_id: {:?}", self.click_id));
ui.label(format!("drag_id: {:?}", self.drag_id));
ui.label(format!("drag_is_window: {:?}", self.drag_is_window));
ui.label(format!("click_interest: {:?}", self.click_interest));
ui.label(format!("drag_interest: {:?}", self.drag_interest));
})
.response
}
}