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https://github.com/servo/servo.git
synced 2025-08-03 04:30:10 +01:00
Format canvas code.
This commit is contained in:
Josh Matthews
parent
decf88331b
commit
18282b8071
1 changed files with 97 additions and 75 deletions
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@ -8,7 +8,7 @@ use azure::azure_hl::{AntialiasMode, AsAzurePoint, CapStyle, CompositionOp, Join
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use azure::azure_hl::{
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BackendType, DrawOptions, DrawTarget, Pattern, StrokeOptions, SurfaceFormat,
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};
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use azure::azure_hl::{Color, ColorPattern, DrawSurfaceOptions, Filter, PathBuilder, Path};
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use azure::azure_hl::{Color, ColorPattern, DrawSurfaceOptions, Filter, Path, PathBuilder};
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use azure::azure_hl::{ExtendMode, GradientStop, LinearGradientPattern, RadialGradientPattern};
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use canvas_traits::canvas::*;
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use cssparser::RGBA;
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@ -44,16 +44,16 @@ impl PathState {
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fn is_path(&self) -> bool {
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match *self {
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PathState::UserSpacePath(..) => true,
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PathState::UserSpacePathBuilder(..) |
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PathState::DeviceSpacePathBuilder(..) => false,
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PathState::UserSpacePathBuilder(..) | PathState::DeviceSpacePathBuilder(..) => false,
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}
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}
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fn path(&self) -> &Path {
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match *self {
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PathState::UserSpacePath(ref p, _) => p,
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PathState::UserSpacePathBuilder(..) |
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PathState::DeviceSpacePathBuilder(..) => panic!("should have called ensure_path"),
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PathState::UserSpacePathBuilder(..) | PathState::DeviceSpacePathBuilder(..) => {
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panic!("should have called ensure_path")
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},
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}
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}
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}
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@ -77,15 +77,21 @@ impl<'a> PathBuilderRef<'a> {
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}
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fn rect(&self, rect: &Rect<f32>) {
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let (first, second, third, fourth) =
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(Point2D::new(rect.origin.x, rect.origin.y),
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Point2D::new(rect.origin.x + rect.size.width, rect.origin.y),
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Point2D::new(rect.origin.x + rect.size.width, rect.origin.y + rect.size.height),
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Point2D::new(rect.origin.x, rect.origin.y + rect.size.height));
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let (first, second, third, fourth) = (
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Point2D::new(rect.origin.x, rect.origin.y),
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Point2D::new(rect.origin.x + rect.size.width, rect.origin.y),
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Point2D::new(
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rect.origin.x + rect.size.width,
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rect.origin.y + rect.size.height,
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),
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Point2D::new(rect.origin.x, rect.origin.y + rect.size.height),
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);
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self.builder.move_to(self.transform.transform_point(&first));
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self.builder.line_to(self.transform.transform_point(&second));
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self.builder
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.line_to(self.transform.transform_point(&second));
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self.builder.line_to(self.transform.transform_point(&third));
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self.builder.line_to(self.transform.transform_point(&fourth));
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self.builder
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.line_to(self.transform.transform_point(&fourth));
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self.builder.close();
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}
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@ -100,7 +106,7 @@ impl<'a> PathBuilderRef<'a> {
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&self,
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cp1: &Point2D<AzFloat>,
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cp2: &Point2D<AzFloat>,
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endpoint: &Point2D<AzFloat>
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endpoint: &Point2D<AzFloat>,
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) {
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self.builder.bezier_curve_to(
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&self.transform.transform_point(cp1),
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@ -115,10 +121,11 @@ impl<'a> PathBuilderRef<'a> {
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radius: AzFloat,
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start_angle: AzFloat,
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end_angle: AzFloat,
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ccw: bool
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ccw: bool,
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) {
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let center = self.transform.transform_point(center);
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self.builder.arc(center, radius, start_angle, end_angle, ccw);
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self.builder
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.arc(center, radius, start_angle, end_angle, ccw);
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}
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pub fn ellipse(
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@ -129,10 +136,18 @@ impl<'a> PathBuilderRef<'a> {
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rotation_angle: AzFloat,
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start_angle: AzFloat,
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end_angle: AzFloat,
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ccw: bool
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ccw: bool,
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) {
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let center = self.transform.transform_point(center);
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self.builder.ellipse(center, radius_x, radius_y, rotation_angle, start_angle, end_angle, ccw);
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self.builder.ellipse(
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center,
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radius_x,
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radius_y,
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rotation_angle,
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start_angle,
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end_angle,
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ccw,
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);
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}
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fn current_point(&self) -> Option<Point2D<AzFloat>> {
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@ -342,15 +357,17 @@ impl<'a> CanvasData<'a> {
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// If there's no record of any path yet, create a new builder in user-space.
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if self.path_state.is_none() {
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self.path_state = Some(PathState::UserSpacePathBuilder(
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self.drawtarget.create_path_builder(), None));
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self.drawtarget.create_path_builder(),
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None,
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));
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}
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// If a user-space builder exists, create a finished path from it.
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let new_state = match *self.path_state.as_mut().unwrap() {
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PathState::UserSpacePathBuilder(ref builder, ref mut transform) =>
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Some((builder.finish(), transform.take())),
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PathState::DeviceSpacePathBuilder(..) | PathState::UserSpacePath(..) =>
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None,
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PathState::UserSpacePathBuilder(ref builder, ref mut transform) => {
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Some((builder.finish(), transform.take()))
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},
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PathState::DeviceSpacePathBuilder(..) | PathState::UserSpacePath(..) => None,
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};
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if let Some((path, transform)) = new_state {
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self.path_state = Some(PathState::UserSpacePath(path, transform));
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@ -359,12 +376,12 @@ impl<'a> CanvasData<'a> {
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// If a user-space path exists, create a device-space builder based on it if
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// any transform is present.
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let new_state = match *self.path_state.as_ref().unwrap() {
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PathState::UserSpacePath(ref path, Some(ref transform)) =>
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Some(path.transformed_copy_to_builder(transform)),
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PathState::UserSpacePath(ref path, Some(ref transform)) => {
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Some(path.transformed_copy_to_builder(transform))
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},
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PathState::UserSpacePath(..) |
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PathState::UserSpacePathBuilder(..) |
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PathState::DeviceSpacePathBuilder(..) =>
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None,
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PathState::DeviceSpacePathBuilder(..) => None,
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};
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if let Some(builder) = new_state {
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self.path_state = Some(PathState::DeviceSpacePathBuilder(builder));
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@ -380,13 +397,12 @@ impl<'a> CanvasData<'a> {
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None => {
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warn!("Couldn't invert canvas transformation.");
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return;
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}
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},
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};
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let builder = path.transformed_copy_to_builder(&inverse);
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Some(builder.finish())
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}
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PathState::UserSpacePathBuilder(..) | PathState::UserSpacePath(..) =>
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None,
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},
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PathState::UserSpacePathBuilder(..) | PathState::UserSpacePath(..) => None,
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};
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if let Some(path) = new_state {
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self.path_state = Some(PathState::UserSpacePath(path, None));
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@ -396,7 +412,10 @@ impl<'a> CanvasData<'a> {
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}
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fn path(&self) -> &Path {
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self.path_state.as_ref().expect("Should have called ensure_path()").path()
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self.path_state
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.as_ref()
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.expect("Should have called ensure_path()")
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.path()
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}
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pub fn fill(&mut self) {
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@ -444,7 +463,7 @@ impl<'a> CanvasData<'a> {
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let target_transform = self.drawtarget.get_transform();
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let path_transform = transform.as_ref().unwrap_or(&target_transform);
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path.contains_point(x, y, path_transform)
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}
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},
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Some(_) | None => false,
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};
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chan.send(result).unwrap();
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@ -461,7 +480,9 @@ impl<'a> CanvasData<'a> {
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fn path_builder(&mut self) -> PathBuilderRef {
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if self.path_state.is_none() {
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self.path_state = Some(PathState::UserSpacePathBuilder(
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self.drawtarget.create_path_builder(), None));
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self.drawtarget.create_path_builder(),
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None,
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));
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}
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// Rust is not pleased by returning a reference to a builder in some branches
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@ -470,16 +491,20 @@ impl<'a> CanvasData<'a> {
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let new_state = {
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match self.path_state.as_ref().unwrap() {
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&PathState::UserSpacePathBuilder(_, None) |
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&PathState::DeviceSpacePathBuilder(_) =>
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None,
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&PathState::DeviceSpacePathBuilder(_) => None,
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&PathState::UserSpacePathBuilder(ref builder, Some(ref transform)) => {
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let path = builder.finish();
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Some(PathState::DeviceSpacePathBuilder(path.transformed_copy_to_builder(transform)))
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}
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&PathState::UserSpacePath(ref path, Some(ref transform)) =>
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Some(PathState::DeviceSpacePathBuilder(path.transformed_copy_to_builder(transform))),
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&PathState::UserSpacePath(ref path, None) =>
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Some(PathState::UserSpacePathBuilder(path.copy_to_builder(), None)),
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Some(PathState::DeviceSpacePathBuilder(
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path.transformed_copy_to_builder(transform),
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))
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},
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&PathState::UserSpacePath(ref path, Some(ref transform)) => Some(
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PathState::DeviceSpacePathBuilder(path.transformed_copy_to_builder(transform)),
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),
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&PathState::UserSpacePath(ref path, None) => Some(PathState::UserSpacePathBuilder(
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path.copy_to_builder(),
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None,
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)),
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}
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};
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match new_state {
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@ -487,34 +512,32 @@ impl<'a> CanvasData<'a> {
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Some(state) => self.path_state = Some(state),
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// There's an existing builder value that can be returned immediately.
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None => match self.path_state.as_ref().unwrap() {
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&PathState::UserSpacePathBuilder(ref builder, None) =>
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&PathState::UserSpacePathBuilder(ref builder, None) => {
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return PathBuilderRef {
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builder,
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transform: Transform2D::identity(),
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},
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&PathState::DeviceSpacePathBuilder(ref builder) =>
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};
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},
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&PathState::DeviceSpacePathBuilder(ref builder) => {
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return PathBuilderRef {
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builder,
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transform: self.drawtarget.get_transform(),
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},
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};
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},
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_ => unreachable!(),
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}
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},
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}
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match self.path_state.as_ref().unwrap() {
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&PathState::UserSpacePathBuilder(ref builder, None) =>
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PathBuilderRef {
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builder,
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transform: Transform2D::identity(),
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},
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&PathState::DeviceSpacePathBuilder(ref builder) =>
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PathBuilderRef {
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builder,
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transform: self.drawtarget.get_transform(),
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},
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&PathState::UserSpacePathBuilder(..) |
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&PathState::UserSpacePath(..) =>
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unreachable!(),
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&PathState::UserSpacePathBuilder(ref builder, None) => PathBuilderRef {
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builder,
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transform: Transform2D::identity(),
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},
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&PathState::DeviceSpacePathBuilder(ref builder) => PathBuilderRef {
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builder,
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transform: self.drawtarget.get_transform(),
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},
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&PathState::UserSpacePathBuilder(..) | &PathState::UserSpacePath(..) => unreachable!(),
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}
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}
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@ -522,11 +545,7 @@ impl<'a> CanvasData<'a> {
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self.path_builder().rect(rect);
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}
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pub fn quadratic_curve_to(
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&mut self,
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cp: &Point2D<AzFloat>,
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endpoint: &Point2D<AzFloat>
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) {
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pub fn quadratic_curve_to(&mut self, cp: &Point2D<AzFloat>, endpoint: &Point2D<AzFloat>) {
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self.path_builder().quadratic_curve_to(cp, endpoint);
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}
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@ -547,15 +566,11 @@ impl<'a> CanvasData<'a> {
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end_angle: AzFloat,
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ccw: bool,
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) {
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self.path_builder().arc(center, radius, start_angle, end_angle, ccw);
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self.path_builder()
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.arc(center, radius, start_angle, end_angle, ccw);
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}
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pub fn arc_to(
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&mut self,
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cp1: &Point2D<AzFloat>,
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cp2: &Point2D<AzFloat>,
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radius: AzFloat
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) {
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pub fn arc_to(&mut self, cp1: &Point2D<AzFloat>, cp2: &Point2D<AzFloat>, radius: AzFloat) {
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let cp0 = match self.path_builder().current_point() {
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Some(p) => p.as_azure_point(),
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None => return,
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@ -628,7 +643,15 @@ impl<'a> CanvasData<'a> {
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end_angle: AzFloat,
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ccw: bool,
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) {
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self.path_builder().ellipse(center, radius_x, radius_y, rotation_angle, start_angle, end_angle, ccw);
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self.path_builder().ellipse(
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center,
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radius_x,
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radius_y,
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rotation_angle,
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start_angle,
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end_angle,
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ccw,
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);
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}
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pub fn set_fill_style(&mut self, style: FillOrStrokeStyle) {
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@ -663,14 +686,13 @@ impl<'a> CanvasData<'a> {
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// If there is an in-progress path, store the existing transformation required
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// to move between device and user space.
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match self.path_state.as_mut() {
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None |
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Some(PathState::DeviceSpacePathBuilder(..)) => (),
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None | Some(PathState::DeviceSpacePathBuilder(..)) => (),
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Some(PathState::UserSpacePathBuilder(_, ref mut transform)) |
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Some(PathState::UserSpacePath(_, ref mut transform)) => {
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if transform.is_none() {
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*transform = Some(self.drawtarget.get_transform());
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}
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}
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},
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}
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self.state.transform = transform.clone();
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self.drawtarget.set_transform(transform)
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