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Improve text overlay styling and fix artboard label positioning bug (#2032)

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* Improve text overlays

* I can't test code
This commit is contained in:
James Lindsay
2024-10-13 21:35:50 +00:00
committed by GitHub
parent 5c98378c7a
commit a761e7803e
5 changed files with 34 additions and 42 deletions
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editor/src/messages/portfolio/document/overlays/utility_types.rs
+21 -32
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@@ -247,52 +247,41 @@ impl OverlayContext {
self.render_context.stroke();
}
pub fn text(&self, text: &str, font_color: &str, background_color: Option<&str>, pos: DVec2) {
pub fn text(&self, text: &str, font_color: &str, background_color: Option<&str>, transform: DAffine2, padding: f64, pivot: [Pivot; 2]) {
let metrics = self.render_context.measure_text(text).expect("Failed to measure the text dimensions");
let local_position = pos.round();
self.draw_text(background_color, local_position, metrics, font_color, text);
}
pub fn text_with_transform(&self, text: &str, font_color: &str, background_color: Option<&str>, transform: DAffine2, origin: Pivot) {
let [a, b, c, d, e, f] = transform.to_cols_array();
self.render_context.set_transform(a, b, c, d, e, f).expect("Failed to rotate the render context to the specified angle");
let metrics = self.render_context.measure_text(text).expect("Failed to measure the text dimensions");
let local_position = match origin {
Pivot::CenterLeft => DVec2::new(0., (metrics.actual_bounding_box_ascent() + metrics.actual_bounding_box_descent()) / 2.),
Pivot::TopCenter => DVec2::new(-(metrics.actual_bounding_box_right() + metrics.actual_bounding_box_left()) / 2., metrics.font_bounding_box_ascent()),
Pivot::BottomLeft => DVec2::ZERO,
let x = match pivot[0] {
Pivot::Start => padding,
Pivot::Middle => -(metrics.actual_bounding_box_right() + metrics.actual_bounding_box_left()) / 2.,
Pivot::End => -padding - metrics.actual_bounding_box_right() + metrics.actual_bounding_box_left(),
};
let y = match pivot[1] {
Pivot::Start => padding + metrics.font_bounding_box_ascent() - metrics.font_bounding_box_descent(),
Pivot::Middle => (metrics.font_bounding_box_ascent() + metrics.font_bounding_box_descent()) / 2.,
Pivot::End => -padding,
};
self.draw_text(background_color, local_position, metrics, font_color, text);
let [a, b, c, d, e, f] = (transform * DAffine2::from_translation(DVec2::new(x, y))).to_cols_array();
self.render_context.set_transform(a, b, c, d, e, f).expect("Failed to rotate the render context to the specified angle");
self.render_context.reset_transform().expect("Failed to reset the render context transform");
}
fn draw_text(&self, background_color: Option<&str>, local_position: DVec2, metrics: web_sys::TextMetrics, font_color: &str, text: &str) {
// Render background
if let Some(background) = background_color {
self.render_context.set_fill_style_str(background);
self.render_context.fill_rect(
local_position.x + metrics.actual_bounding_box_left(),
local_position.y - metrics.font_bounding_box_ascent() - metrics.font_bounding_box_descent(),
metrics.actual_bounding_box_right() - metrics.actual_bounding_box_left(),
metrics.font_bounding_box_ascent() + metrics.font_bounding_box_descent(),
-padding,
padding,
metrics.actual_bounding_box_right() - metrics.actual_bounding_box_left() + padding * 2.,
metrics.font_bounding_box_descent() - metrics.font_bounding_box_ascent() - padding * 2.,
);
}
// Render text
self.render_context.set_font("12px Source Sans Pro, Arial, sans-serif");
self.render_context.set_fill_style_str(font_color);
self.render_context
.fill_text(text, local_position.x, local_position.y - metrics.font_bounding_box_descent())
.expect("Failed to draw the text on the canvas");
self.render_context.fill_text(text, 0., 0.).expect("Failed to draw the text at the calculated position");
self.render_context.reset_transform().expect("Failed to reset the render context transform");
}
}
pub enum Pivot {
TopCenter,
CenterLeft,
BottomLeft,
Start,
Middle,
End,
}