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oopsie
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‎src/renderers/skia.rs‎

Lines changed: 1 addition & 302 deletions
Original file line numberDiff line numberDiff line change
@@ -2,6 +2,7 @@ use crate::math::{BoundingBox, Dimensions};
22
use crate::render_commands::{Custom, RenderCommand, RenderCommandConfig};
33
use crate::text::TextConfig;
44
use crate::{ClayLayoutScope, Color as ClayColor};
5+
56
use skia_safe::{
67
Canvas, ClipOp, Color, Font, Image, Paint, PaintCap, Point, RRect, Rect, SamplingOptions, Typeface
78
};
@@ -348,305 +349,3 @@ pub fn create_measure_text_function(
348349
(width, font.metrics().1.bottom - font.metrics().1.top).into()
349350
}
350351
}
351-
352-
use skia_safe::{
353-
Canvas, ClipOp, Color, Font, Image, Paint, Point, RRect, Rect, SamplingOptions, Typeface,
354-
};
355-
356-
pub fn clay_to_skia_color(color: ClayColor) -> Color {
357-
Color::from_argb(
358-
(color.a).round() as u8,
359-
(color.r).round() as u8,
360-
(color.g).round() as u8,
361-
(color.b).round() as u8,
362-
)
363-
}
364-
365-
fn clay_to_skia_rect(rect: BoundingBox) -> Rect {
366-
Rect::from_xywh(rect.x, rect.y, rect.width, rect.height)
367-
}
368-
/// This is a direct* port of Clay's raylib renderer using skia_safe as the drawing API.
369-
pub fn clay_skia_render<'a, CustomElementData: 'a>(
370-
canvas: &Canvas,
371-
render_commands: impl Iterator<Item = RenderCommand<'a, Image, CustomElementData>>,
372-
mut render_custom_element: impl FnMut(
373-
&RenderCommand<'a, Image, CustomElementData>,
374-
&Custom<'a, CustomElementData>,
375-
&Canvas,
376-
),
377-
fonts: &[&Typeface],
378-
) {
379-
for command in render_commands {
380-
match command.config {
381-
RenderCommandConfig::Text(text) => {
382-
let text_data = text.text;
383-
let mut paint = Paint::default();
384-
paint.set_color(clay_to_skia_color(text.color));
385-
let font = Font::new(fonts[text.font_id as usize].clone(), text.font_size as f32);
386-
let pos = Point::new(
387-
command.bounding_box.x,
388-
command.bounding_box.y + text.font_size as f32,
389-
);
390-
canvas.draw_str(&text_data, pos, &font, &paint);
391-
}
392-
393-
RenderCommandConfig::Image(image) => {
394-
let skia_image = image.data;
395-
let mut paint = Paint::default();
396-
paint.set_color(Color::WHITE);
397-
paint.set_anti_alias(true);
398-
399-
let bounds = clay_to_skia_rect(command.bounding_box);
400-
let has_border_radius = image.corner_radii.top_left > 0.
401-
|| image.corner_radii.top_right > 0.
402-
|| image.corner_radii.bottom_left > 0.
403-
|| image.corner_radii.bottom_right > 0.;
404-
if has_border_radius {
405-
canvas.save();
406-
let rrect = RRect::new_rect_radii(
407-
bounds,
408-
&[
409-
Point::new(image.corner_radii.top_left, image.corner_radii.top_left),
410-
Point::new(image.corner_radii.top_right, image.corner_radii.top_right),
411-
Point::new(
412-
image.corner_radii.bottom_left,
413-
image.corner_radii.bottom_left,
414-
),
415-
Point::new(
416-
image.corner_radii.bottom_right,
417-
image.corner_radii.bottom_right,
418-
),
419-
],
420-
);
421-
canvas.clip_rrect(rrect, ClipOp::Intersect, true);
422-
}
423-
424-
canvas.draw_image_rect_with_sampling_options(
425-
skia_image,
426-
None,
427-
bounds,
428-
SamplingOptions::new(
429-
skia_safe::FilterMode::Linear,
430-
skia_safe::MipmapMode::Linear,
431-
),
432-
&paint,
433-
);
434-
435-
// Restore canvas state if we applied a clip
436-
if has_border_radius {
437-
canvas.restore();
438-
}
439-
}
440-
441-
RenderCommandConfig::ScissorStart() => {
442-
// Save the current state then clip to the bounding box.
443-
canvas.save();
444-
let clip_rect = clay_to_skia_rect(command.bounding_box);
445-
canvas.clip_rect(clip_rect, ClipOp::Intersect, false);
446-
}
447-
448-
RenderCommandConfig::ScissorEnd() => {
449-
// Restore the previous state
450-
canvas.restore();
451-
}
452-
453-
RenderCommandConfig::Rectangle(rect) => {
454-
let paint = {
455-
let mut p = Paint::default();
456-
p.set_color(clay_to_skia_color(rect.color));
457-
p.set_anti_alias(true);
458-
p.set_style(skia_safe::PaintStyle::Fill);
459-
p
460-
};
461-
let bounds = clay_to_skia_rect(command.bounding_box);
462-
if rect.corner_radii.top_left > 0.
463-
|| rect.corner_radii.top_right > 0.
464-
|| rect.corner_radii.bottom_left > 0.
465-
|| rect.corner_radii.bottom_right > 0.
466-
{
467-
let rrect = RRect::new_rect_radii(
468-
bounds,
469-
&[
470-
Point::new(rect.corner_radii.top_left, rect.corner_radii.top_left),
471-
Point::new(rect.corner_radii.top_right, rect.corner_radii.top_right),
472-
Point::new(
473-
rect.corner_radii.bottom_left,
474-
rect.corner_radii.bottom_left,
475-
),
476-
Point::new(
477-
rect.corner_radii.bottom_right,
478-
rect.corner_radii.bottom_right,
479-
),
480-
],
481-
);
482-
canvas.draw_rrect(rrect, &paint);
483-
} else {
484-
canvas.draw_rect(bounds, &paint);
485-
}
486-
}
487-
488-
RenderCommandConfig::Border(border) => {
489-
// Draw each border side using fill rectangles.
490-
let paint = {
491-
let mut p = Paint::default();
492-
p.set_color(clay_to_skia_color(border.color));
493-
p.set_anti_alias(true);
494-
p
495-
};
496-
497-
let bb = &command.bounding_box;
498-
499-
// Left border.
500-
if border.width.left > 0 {
501-
let rect = Rect::from_xywh(
502-
bb.x,
503-
bb.y + border.corner_radii.top_left,
504-
border.width.left as f32,
505-
bb.height - border.corner_radii.top_left - border.corner_radii.bottom_left,
506-
);
507-
canvas.draw_rect(rect, &paint);
508-
}
509-
510-
// Right border.
511-
if border.width.right > 0 {
512-
let rect = Rect::from_xywh(
513-
bb.x + bb.width - border.width.right as f32,
514-
bb.y + border.corner_radii.top_right,
515-
border.width.right as f32,
516-
bb.height
517-
- border.corner_radii.top_right
518-
- border.corner_radii.bottom_right,
519-
);
520-
canvas.draw_rect(rect, &paint);
521-
}
522-
523-
// Top border.
524-
if border.width.top > 0 {
525-
let rect = Rect::from_xywh(
526-
bb.x + border.corner_radii.top_left,
527-
bb.y,
528-
bb.width - border.corner_radii.top_left - border.corner_radii.top_right,
529-
border.width.top as f32,
530-
);
531-
canvas.draw_rect(rect, &paint);
532-
}
533-
534-
// Bottom border.
535-
if border.width.bottom > 0 {
536-
let rect = Rect::from_xywh(
537-
bb.x + border.corner_radii.bottom_left,
538-
bb.y + bb.height - border.width.bottom as f32,
539-
bb.width
540-
- border.corner_radii.bottom_left
541-
- border.corner_radii.bottom_right,
542-
border.width.bottom as f32,
543-
);
544-
canvas.draw_rect(rect, &paint);
545-
}
546-
547-
// For corner arcs, we draw strokes.
548-
let mut stroke = Paint::default();
549-
stroke.set_color(clay_to_skia_color(border.color));
550-
stroke.set_stroke_width(1.0);
551-
stroke.set_style(skia_safe::paint::Style::Stroke);
552-
stroke.set_anti_alias(true);
553-
554-
// Helper to draw an arc.
555-
let draw_corner_arc = |canvas: &Canvas,
556-
center_x: f32,
557-
center_y: f32,
558-
radius: f32,
559-
start_angle: f32,
560-
sweep_angle: f32| {
561-
let arc_rect = Rect::from_xywh(
562-
center_x - radius,
563-
center_y - radius,
564-
radius * 2.0,
565-
radius * 2.0,
566-
);
567-
canvas.draw_arc(arc_rect, start_angle, sweep_angle, false, &stroke);
568-
};
569-
570-
if border.corner_radii.top_left > 0. {
571-
// top-left: arc from 180 to 270 degrees.
572-
let center_x = bb.x + border.corner_radii.top_left;
573-
let center_y = bb.y + border.corner_radii.top_left;
574-
draw_corner_arc(
575-
canvas,
576-
center_x,
577-
center_y,
578-
border.corner_radii.top_left,
579-
180.0,
580-
90.0,
581-
);
582-
}
583-
584-
if border.corner_radii.top_right > 0. {
585-
// top-right: arc from 270 to 360 degrees.
586-
let center_x = bb.x + bb.width - border.corner_radii.top_right;
587-
let center_y = bb.y + border.corner_radii.top_right;
588-
draw_corner_arc(
589-
canvas,
590-
center_x,
591-
center_y,
592-
border.corner_radii.top_right,
593-
270.0,
594-
90.0,
595-
);
596-
}
597-
598-
if border.corner_radii.bottom_left > 0. {
599-
// bottom-left: arc from 90 to 180 degrees.
600-
let center_x = bb.x + border.corner_radii.bottom_left;
601-
let center_y = bb.y + bb.height - border.corner_radii.bottom_left;
602-
draw_corner_arc(
603-
canvas,
604-
center_x,
605-
center_y,
606-
border.corner_radii.bottom_left,
607-
90.0,
608-
90.0,
609-
);
610-
}
611-
612-
if border.corner_radii.bottom_right > 0. {
613-
// bottom-right: arc from 0 to 90 degrees.
614-
let center_x = bb.x + bb.width - border.corner_radii.bottom_right;
615-
let center_y = bb.y + bb.height - border.corner_radii.bottom_right;
616-
draw_corner_arc(
617-
canvas,
618-
center_x,
619-
center_y,
620-
border.corner_radii.bottom_right,
621-
0.0,
622-
90.0,
623-
);
624-
}
625-
}
626-
RenderCommandConfig::Custom(ref custom) => {
627-
render_custom_element(&command, custom, canvas)
628-
}
629-
RenderCommandConfig::None() => {}
630-
}
631-
}
632-
}
633-
634-
pub type SkiaClayScope<'clay, 'render, CustomElements> =
635-
ClayLayoutScope<'clay, 'render, Image, CustomElements>;
636-
637-
pub fn get_source_dimensions_from_skia_image(image: &Image) -> Dimensions {
638-
(image.width() as f32, image.height() as f32).into()
639-
}
640-
641-
pub fn create_measure_text_function(
642-
fonts: &'static [&Typeface],
643-
) -> impl Fn(&str, &TextConfig) -> Dimensions + 'static {
644-
|text, text_config| {
645-
let font = Font::new(
646-
fonts[text_config.font_id as usize],
647-
text_config.font_size as f32,
648-
);
649-
let width = font.measure_str(text, None).0;
650-
(width, font.metrics().1.bottom - font.metrics().1.top).into()
651-
}
652-
}

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