diff options
Diffstat (limited to 'tiny_skia/src/backend.rs')
| -rw-r--r-- | tiny_skia/src/backend.rs | 269 |
1 files changed, 157 insertions, 112 deletions
diff --git a/tiny_skia/src/backend.rs b/tiny_skia/src/backend.rs index 9eea1a32..5e743479 100644 --- a/tiny_skia/src/backend.rs +++ b/tiny_skia/src/backend.rs @@ -9,6 +9,7 @@ use std::borrow::Cow; pub struct Backend { default_font: Font, default_text_size: f32, + text_pipeline: crate::text::Pipeline, } impl Backend { @@ -16,6 +17,7 @@ impl Backend { Self { default_font: settings.default_font, default_text_size: settings.default_text_size, + text_pipeline: crate::text::Pipeline::new(), } } @@ -32,123 +34,161 @@ impl Backend { let scale_factor = viewport.scale_factor() as f32; for primitive in primitives { - draw_primitive(primitive, pixels, None, scale_factor, Vector::ZERO); + self.draw_primitive( + primitive, + pixels, + None, + scale_factor, + Vector::ZERO, + ); } + + self.text_pipeline.end_frame(); } -} -fn draw_primitive( - primitive: &Primitive, - pixels: &mut tiny_skia::PixmapMut<'_>, - clip_mask: Option<&tiny_skia::ClipMask>, - scale_factor: f32, - translation: Vector, -) { - match primitive { - Primitive::None => {} - Primitive::Quad { - bounds, - background, - border_radius: _, // TODO - border_width, - border_color, - } => { - let transform = tiny_skia::Transform::from_translate( - translation.x, - translation.y, - ) - .post_scale(scale_factor, scale_factor); - - let path = tiny_skia::PathBuilder::from_rect( - tiny_skia::Rect::from_xywh( - bounds.x, - bounds.y, - bounds.width, - bounds.height, + fn draw_primitive( + &mut self, + primitive: &Primitive, + pixels: &mut tiny_skia::PixmapMut<'_>, + clip_mask: Option<&tiny_skia::ClipMask>, + scale_factor: f32, + translation: Vector, + ) { + match primitive { + Primitive::None => {} + Primitive::Quad { + bounds, + background, + border_radius: _, // TODO + border_width, + border_color, + } => { + let transform = tiny_skia::Transform::from_translate( + translation.x, + translation.y, ) - .expect("Create quad rectangle"), - ); + .post_scale(scale_factor, scale_factor); - pixels.fill_path( - &path, - &tiny_skia::Paint { - shader: match background { - Background::Color(color) => { - tiny_skia::Shader::SolidColor(into_color(*color)) - } - }, - anti_alias: true, - ..tiny_skia::Paint::default() - }, - tiny_skia::FillRule::EvenOdd, - transform, - clip_mask, - ); + let path = tiny_skia::PathBuilder::from_rect( + tiny_skia::Rect::from_xywh( + bounds.x, + bounds.y, + bounds.width, + bounds.height, + ) + .expect("Create quad rectangle"), + ); - if *border_width > 0.0 { - pixels.stroke_path( + pixels.fill_path( &path, &tiny_skia::Paint { - shader: tiny_skia::Shader::SolidColor(into_color( - *border_color, - )), + shader: match background { + Background::Color(color) => { + tiny_skia::Shader::SolidColor(into_color( + *color, + )) + } + }, anti_alias: true, ..tiny_skia::Paint::default() }, - &tiny_skia::Stroke { - width: *border_width, - ..tiny_skia::Stroke::default() - }, + tiny_skia::FillRule::EvenOdd, transform, clip_mask, ); + + if *border_width > 0.0 { + pixels.stroke_path( + &path, + &tiny_skia::Paint { + shader: tiny_skia::Shader::SolidColor(into_color( + *border_color, + )), + anti_alias: true, + ..tiny_skia::Paint::default() + }, + &tiny_skia::Stroke { + width: *border_width, + ..tiny_skia::Stroke::default() + }, + transform, + clip_mask, + ); + } } - } - Primitive::Text { .. } => { - // TODO - } - Primitive::Image { .. } => { - // TODO - } - Primitive::Svg { .. } => { - // TODO - } - Primitive::Group { primitives } => { - for primitive in primitives { - draw_primitive( - primitive, + Primitive::Text { + content, + bounds, + color, + size, + font, + horizontal_alignment, + vertical_alignment, + } => { + self.text_pipeline.draw( + content, + (*bounds + translation) * scale_factor, + *color, + *size * scale_factor, + *font, + *horizontal_alignment, + *vertical_alignment, + pixels, + clip_mask, + ); + } + Primitive::Image { .. } => { + // TODO + } + Primitive::Svg { .. } => { + // TODO + } + Primitive::Group { primitives } => { + for primitive in primitives { + self.draw_primitive( + primitive, + pixels, + clip_mask, + scale_factor, + translation, + ); + } + } + Primitive::Translate { + translation: offset, + content, + } => { + self.draw_primitive( + content, pixels, clip_mask, scale_factor, + translation + *offset, + ); + } + Primitive::Clip { bounds, content } => { + self.draw_primitive( + content, + pixels, + Some(&rectangular_clip_mask( + pixels, + *bounds * scale_factor, + )), + scale_factor, translation, ); } + Primitive::Cached { cache } => { + self.draw_primitive( + cache, + pixels, + clip_mask, + scale_factor, + translation, + ); + } + Primitive::SolidMesh { .. } | Primitive::GradientMesh { .. } => {} } - Primitive::Translate { - translation: offset, - content, - } => { - draw_primitive( - content, - pixels, - clip_mask, - scale_factor, - translation + *offset, - ); - } - Primitive::Clip { bounds, content } => { - draw_primitive( - content, - pixels, - Some(&rectangular_clip_mask(pixels, *bounds * scale_factor)), - scale_factor, - translation, - ); - } - Primitive::Cached { cache } => { - draw_primitive(cache, pixels, clip_mask, scale_factor, translation); - } - Primitive::SolidMesh { .. } | Primitive::GradientMesh { .. } => {} } } @@ -185,7 +225,7 @@ fn rectangular_clip_mask( impl iced_graphics::Backend for Backend { fn trim_measurements(&mut self) { - // TODO + self.text_pipeline.trim_measurement_cache(); } } @@ -204,30 +244,35 @@ impl backend::Text for Backend { fn measure( &self, - _contents: &str, - _size: f32, - _font: Font, - _bounds: Size, + contents: &str, + size: f32, + font: Font, + bounds: Size, ) -> (f32, f32) { - // TODO - (0.0, 0.0) + self.text_pipeline.measure(contents, size, font, bounds) } fn hit_test( &self, - _contents: &str, - _size: f32, - _font: Font, - _bounds: Size, - _point: iced_native::Point, - _nearest_only: bool, + contents: &str, + size: f32, + font: Font, + bounds: Size, + point: iced_native::Point, + nearest_only: bool, ) -> Option<text::Hit> { - // TODO - None + self.text_pipeline.hit_test( + contents, + size, + font, + bounds, + point, + nearest_only, + ) } - fn load_font(&mut self, _font: Cow<'static, [u8]>) { - // TODO + fn load_font(&mut self, font: Cow<'static, [u8]>) { + self.text_pipeline.load_font(font); } } |