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Remove azure(canvas) dependency from canvas_traits

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This commit is contained in:
Roman Zaynetdinov 2016-12-25 17:07:22 +02:00
parent 61d8f4d688
commit 912d5f3547
6 changed files with 163 additions and 145 deletions
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136
components/canvas_traits/lib.rs
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@ -10,7 +10,6 @@
#![deny(unsafe_code)]
extern crate azure;
extern crate core;
extern crate cssparser;
extern crate euclid;
@ -21,11 +20,6 @@ extern crate serde;
#[macro_use] extern crate serde_derive;
extern crate webrender_traits;
use azure::azure::AzFloat;
use azure::azure_hl::{CapStyle, CompositionOp, JoinStyle};
use azure::azure_hl::{Color, ColorPattern, DrawTarget, Pattern};
use azure::azure_hl::{ExtendMode, GradientStop, LinearGradientPattern, RadialGradientPattern};
use azure::azure_hl::{SurfaceFormat, SurfacePattern};
use cssparser::RGBA;
use euclid::matrix2d::Matrix2D;
use euclid::point::Point2D;
@ -202,58 +196,6 @@ pub enum FillOrStrokeStyle {
Surface(SurfaceStyle),
}
impl FillOrStrokeStyle {
pub fn to_azure_pattern(&self, drawtarget: &DrawTarget) -> Option<Pattern> {
match *self {
FillOrStrokeStyle::Color(ref color) => {
Some(Pattern::Color(ColorPattern::new(color.to_azcolor())))
},
FillOrStrokeStyle::LinearGradient(ref linear_gradient_style) => {
let gradient_stops: Vec<GradientStop> = linear_gradient_style.stops.iter().map(|s| {
GradientStop {
offset: s.offset as AzFloat,
color: s.color.to_azcolor()
}
}).collect();
Some(Pattern::LinearGradient(LinearGradientPattern::new(
&Point2D::new(linear_gradient_style.x0 as AzFloat, linear_gradient_style.y0 as AzFloat),
&Point2D::new(linear_gradient_style.x1 as AzFloat, linear_gradient_style.y1 as AzFloat),
drawtarget.create_gradient_stops(&gradient_stops, ExtendMode::Clamp),
&Matrix2D::identity())))
},
FillOrStrokeStyle::RadialGradient(ref radial_gradient_style) => {
let gradient_stops: Vec<GradientStop> = radial_gradient_style.stops.iter().map(|s| {
GradientStop {
offset: s.offset as AzFloat,
color: s.color.to_azcolor()
}
}).collect();
Some(Pattern::RadialGradient(RadialGradientPattern::new(
&Point2D::new(radial_gradient_style.x0 as AzFloat, radial_gradient_style.y0 as AzFloat),
&Point2D::new(radial_gradient_style.x1 as AzFloat, radial_gradient_style.y1 as AzFloat),
radial_gradient_style.r0 as AzFloat, radial_gradient_style.r1 as AzFloat,
drawtarget.create_gradient_stops(&gradient_stops, ExtendMode::Clamp),
&Matrix2D::identity())))
},
FillOrStrokeStyle::Surface(ref surface_style) => {
drawtarget.create_source_surface_from_data(&surface_style.surface_data,
surface_style.surface_size,
surface_style.surface_size.width * 4,
SurfaceFormat::B8G8R8A8)
.map(|source_surface| {
Pattern::Surface(SurfacePattern::new(
source_surface.azure_source_surface,
surface_style.repeat_x,
surface_style.repeat_y,
&Matrix2D::identity()))
})
}
}
}
}
#[derive(Copy, Clone, PartialEq, Deserialize, Serialize, HeapSizeOf)]
pub enum LineCapStyle {
Butt = 0,
@ -274,16 +216,6 @@ impl FromStr for LineCapStyle {
}
}
impl LineCapStyle {
pub fn to_azure_style(&self) -> CapStyle {
match *self {
LineCapStyle::Butt => CapStyle::Butt,
LineCapStyle::Round => CapStyle::Round,
LineCapStyle::Square => CapStyle::Square,
}
}
}
#[derive(Copy, Clone, PartialEq, Deserialize, Serialize, HeapSizeOf)]
pub enum LineJoinStyle {
Round = 0,
@ -304,16 +236,6 @@ impl FromStr for LineJoinStyle {
}
}
impl LineJoinStyle {
pub fn to_azure_style(&self) -> JoinStyle {
match *self {
LineJoinStyle::Round => JoinStyle::Round,
LineJoinStyle::Bevel => JoinStyle::Bevel,
LineJoinStyle::Miter => JoinStyle::Miter,
}
}
}
#[derive(Copy, Clone, PartialEq, Deserialize, Serialize)]
pub enum RepetitionStyle {
Repeat,
@ -373,22 +295,6 @@ impl FromStr for CompositionStyle {
}
impl CompositionStyle {
pub fn to_azure_style(&self) -> CompositionOp {
match *self {
CompositionStyle::SrcIn => CompositionOp::In,
CompositionStyle::SrcOut => CompositionOp::Out,
CompositionStyle::SrcOver => CompositionOp::Over,
CompositionStyle::SrcAtop => CompositionOp::Atop,
CompositionStyle::DestIn => CompositionOp::DestIn,
CompositionStyle::DestOut => CompositionOp::DestOut,
CompositionStyle::DestOver => CompositionOp::DestOver,
CompositionStyle::DestAtop => CompositionOp::DestAtop,
CompositionStyle::Copy => CompositionOp::Source,
CompositionStyle::Lighter => CompositionOp::Add,
CompositionStyle::Xor => CompositionOp::Xor,
}
}
pub fn to_str(&self) -> &str {
match *self {
CompositionStyle::SrcIn => "source-in",
@ -451,26 +357,6 @@ impl FromStr for BlendingStyle {
}
impl BlendingStyle {
pub fn to_azure_style(&self) -> CompositionOp {
match *self {
BlendingStyle::Multiply => CompositionOp::Multiply,
BlendingStyle::Screen => CompositionOp::Screen,
BlendingStyle::Overlay => CompositionOp::Overlay,
BlendingStyle::Darken => CompositionOp::Darken,
BlendingStyle::Lighten => CompositionOp::Lighten,
BlendingStyle::ColorDodge => CompositionOp::ColorDodge,
BlendingStyle::ColorBurn => CompositionOp::ColorBurn,
BlendingStyle::HardLight => CompositionOp::HardLight,
BlendingStyle::SoftLight => CompositionOp::SoftLight,
BlendingStyle::Difference => CompositionOp::Difference,
BlendingStyle::Exclusion => CompositionOp::Exclusion,
BlendingStyle::Hue => CompositionOp::Hue,
BlendingStyle::Saturation => CompositionOp::Saturation,
BlendingStyle::Color => CompositionOp::Color,
BlendingStyle::Luminosity => CompositionOp::Luminosity,
}
}
pub fn to_str(&self) -> &str {
match *self {
BlendingStyle::Multiply => "multiply",
@ -520,28 +406,6 @@ impl FromStr for CompositionOrBlending {
}
}
impl CompositionOrBlending {
pub fn to_azure_style(&self) -> CompositionOp {
match *self {
CompositionOrBlending::Composition(op) => op.to_azure_style(),
CompositionOrBlending::Blending(op) => op.to_azure_style(),
}
}
}
pub trait ToAzColor {
fn to_azcolor(&self) -> Color;
}
impl ToAzColor for RGBA {
fn to_azcolor(&self) -> Color {
Color::rgba(self.red as AzFloat,
self.green as AzFloat,
self.blue as AzFloat,
self.alpha as AzFloat)
}
}
// TODO(pcwalton): Speed up with SIMD, or better yet, find some way to not do this.
pub fn byte_swap(data: &mut [u8]) {
let length = data.len();