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-rw-r--r--components/canvas/canvas_paint_task.rs266
-rw-r--r--components/script/dom/canvasrenderingcontext2d.rs234
-rw-r--r--components/script/dom/htmlcanvaselement.rs10
-rw-r--r--components/script/dom/webidls/CanvasRenderingContext2D.webidl19
-rw-r--r--components/servo/Cargo.lock1
-rw-r--r--components/util/Cargo.toml3
-rw-r--r--components/util/lib.rs1
-rw-r--r--tests/html/test_canvas_drawimage.html263
-rw-r--r--tests/ref/2dcontext/drawimage_1.html39
-rw-r--r--tests/ref/2dcontext/drawimage_10.html42
-rw-r--r--tests/ref/2dcontext/drawimage_10_ref.html26
-rw-r--r--tests/ref/2dcontext/drawimage_11.html41
-rw-r--r--tests/ref/2dcontext/drawimage_11_ref.html26
-rw-r--r--tests/ref/2dcontext/drawimage_12.html41
-rw-r--r--tests/ref/2dcontext/drawimage_12_ref.html26
-rw-r--r--tests/ref/2dcontext/drawimage_1_ref.html31
-rw-r--r--tests/ref/2dcontext/drawimage_2.html40
-rw-r--r--tests/ref/2dcontext/drawimage_2_ref.html31
-rw-r--r--tests/ref/2dcontext/drawimage_3.html41
-rw-r--r--tests/ref/2dcontext/drawimage_3_ref.html31
-rw-r--r--tests/ref/2dcontext/drawimage_4.html42
-rw-r--r--tests/ref/2dcontext/drawimage_4_ref.html26
-rw-r--r--tests/ref/2dcontext/drawimage_5.html42
-rw-r--r--tests/ref/2dcontext/drawimage_5_ref.html26
-rw-r--r--tests/ref/2dcontext/drawimage_6.html41
-rw-r--r--tests/ref/2dcontext/drawimage_6_ref.html26
-rw-r--r--tests/ref/2dcontext/drawimage_7.html41
-rw-r--r--tests/ref/2dcontext/drawimage_7_ref.html26
-rw-r--r--tests/ref/2dcontext/drawimage_8.html41
-rw-r--r--tests/ref/2dcontext/drawimage_8_ref.html26
-rw-r--r--tests/ref/2dcontext/drawimage_9.html48
-rw-r--r--tests/ref/2dcontext/drawimage_9_ref.html22
-rw-r--r--tests/ref/2dcontext/lineto_a.html (renamed from tests/ref/canvas_lineto_a.html)0
-rw-r--r--tests/ref/2dcontext/lineto_ref.html (renamed from tests/ref/canvas_lineto_ref.html)0
-rw-r--r--tests/ref/2dcontext/transform_a.html (renamed from tests/ref/canvas_transform_a.html)0
-rw-r--r--tests/ref/2dcontext/transform_ref.html (renamed from tests/ref/canvas_transform_ref.html)0
-rw-r--r--tests/ref/basic.list19
-rw-r--r--tests/wpt/metadata/2dcontext/drawing-images-to-the-canvas/2d.drawImage.canvas.html.ini5
-rw-r--r--tests/wpt/metadata/2dcontext/drawing-images-to-the-canvas/2d.drawImage.null.html.ini5
-rw-r--r--tests/wpt/metadata/2dcontext/drawing-images-to-the-canvas/2d.drawImage.self.1.html.ini5
-rw-r--r--tests/wpt/metadata/2dcontext/drawing-images-to-the-canvas/2d.drawImage.self.2.html.ini5
-rw-r--r--tests/wpt/metadata/2dcontext/drawing-images-to-the-canvas/2d.drawImage.wrongtype.html.ini5
-rw-r--r--tests/wpt/metadata/2dcontext/image-smoothing/imagesmoothing.html.ini5
-rw-r--r--tests/wpt/metadata/html/dom/interfaces.html.ini21
44 files changed, 1569 insertions, 120 deletions
diff --git a/components/canvas/canvas_paint_task.rs b/components/canvas/canvas_paint_task.rs
index c8781419f10..4822fd48750 100644
--- a/components/canvas/canvas_paint_task.rs
+++ b/components/canvas/canvas_paint_task.rs
@@ -16,7 +16,6 @@ use util::vec::byte_swap;
use cssparser::RGBA;
use std::borrow::ToOwned;
-use std::ops::Add;
use std::sync::mpsc::{channel, Sender};
#[derive(Clone)]
@@ -27,6 +26,8 @@ pub enum CanvasMsg {
BeginPath,
ClosePath,
Fill,
+ DrawImage(Vec<u8>, Rect<i32>, Rect<i32>, bool),
+ DrawImageSelf(Size2D<i32>, Rect<i32>, Rect<i32>, bool),
MoveTo(Point2D<f32>),
LineTo(Point2D<f32>),
QuadraticCurveTo(Point2D<f32>, Point2D<f32>),
@@ -38,10 +39,140 @@ pub enum CanvasMsg {
Recreate(Size2D<i32>),
SendPixelContents(Sender<Vec<u8>>),
GetImageData(Rect<i32>, Size2D<i32>, Sender<Vec<u8>>),
- PutImageData(Vec<u8>, Rect<i32>, Option<Rect<i32>>, Size2D<i32>),
+ PutImageData(Vec<u8>, Rect<i32>, Option<Rect<i32>>),
Close,
}
+impl<'a> CanvasPaintTask<'a> {
+ /// It reads image data from the canvas
+ /// canvas_size: The size of the canvas we're reading from
+ /// read_rect: The area of the canvas we want to read from
+ fn read_pixels(&self, read_rect: Rect<i32>, canvas_size: Size2D<i32>) -> Vec<u8>{
+ let canvas_rect = Rect(Point2D(0i32, 0i32), canvas_size);
+ let src_read_rect = canvas_rect.intersection(&read_rect).unwrap_or(Rect::zero());
+
+ let mut image_data = Vec::new();
+ if src_read_rect.is_empty() || canvas_size.width <= 0 && canvas_size.height <= 0 {
+ return image_data;
+ }
+
+ let data_surface = self.drawtarget.snapshot().get_data_surface();
+ let mut src_data = Vec::new();
+ data_surface.with_data(|element| { src_data = element.to_vec(); });
+ let stride = data_surface.stride();
+
+ //start offset of the copyable rectangle
+ let mut src = (src_read_rect.origin.y * stride + src_read_rect.origin.x * 4) as usize;
+ //copy the data to the destination vector
+ for _ in range(0, src_read_rect.size.height) {
+ let row = &src_data[src .. src + (4 * src_read_rect.size.width) as usize];
+ image_data.push_all(row);
+ src += stride as usize;
+ }
+
+ image_data
+ }
+
+ /// It writes image data to the canvas
+ /// source_rect: the area of the image data to be written
+ /// dest_rect: The area of the canvas where the imagedata will be copied
+ /// smoothing_enabled: if smoothing is applied to the copied pixels
+ fn write_pixels(&self, imagedata: &Vec<u8>,
+ image_size: Size2D<i32>,
+ source_rect: Rect<i32>,
+ dest_rect: Rect<i32>,
+ smoothing_enabled: bool) {
+ // From spec https://html.spec.whatwg.org/multipage/scripting.html#dom-context-2d-drawimage
+ // When scaling up, if the imageSmoothingEnabled attribute is set to true, the user agent should attempt
+ // to apply a smoothing algorithm to the image data when it is scaled.
+ // Otherwise, the image must be rendered using nearest-neighbor interpolation.
+ let filter = if smoothing_enabled {
+ Filter::Linear
+ } else {
+ Filter::Point
+ };
+
+ let source_surface = self.drawtarget.create_source_surface_from_data(imagedata.as_slice(),
+ image_size, image_size.width * 4, SurfaceFormat::B8G8R8A8);
+
+ let draw_surface_options = DrawSurfaceOptions::new(filter, true);
+ let draw_options = DrawOptions::new(1.0f64 as AzFloat, 0);
+
+ self.drawtarget.draw_surface(source_surface,
+ dest_rect.to_azfloat(),
+ source_rect.to_azfloat(),
+ draw_surface_options, draw_options);
+ }
+
+ /// dirty_rect: original dirty_rect provided by the putImageData call
+ /// image_data_rect: the area of the image to be copied
+ /// Result: It retuns the modified dirty_rect by the rules described in
+ /// the spec https://html.spec.whatwg.org/#dom-context-2d-putimagedata
+ fn calculate_dirty_rect(&self,
+ mut dirty_rect: Rect<i32>,
+ image_data_rect: Rect<i32>) -> Rect<i32>{
+ // 1) If dirtyWidth is negative,
+ // let dirtyX be dirtyX+dirtyWidth,
+ // and let dirtyWidth be equal to the absolute magnitude of dirtyWidth.
+ if dirty_rect.size.width < 0 {
+ dirty_rect.origin.x = dirty_rect.origin.x + dirty_rect.size.width;
+ dirty_rect.size.width = -dirty_rect.size.width;
+ }
+
+ // 2) If dirtyHeight is negative, let dirtyY be dirtyY+dirtyHeight,
+ // and let dirtyHeight be equal to the absolute magnitude of dirtyHeight.
+ if dirty_rect.size.height < 0 {
+ dirty_rect.origin.y = dirty_rect.origin.y + dirty_rect.size.height;
+ dirty_rect.size.height = -dirty_rect.size.height;
+ }
+
+ // 3) If dirtyX is negative, let dirtyWidth be dirtyWidth+dirtyX, and let dirtyX be zero.
+ if dirty_rect.origin.x < 0 {
+ dirty_rect.size.width += dirty_rect.origin.x;
+ dirty_rect.origin.x = 0;
+ }
+
+ // 3) If dirtyY is negative, let dirtyHeight be dirtyHeight+dirtyY, and let dirtyY be zero.
+ if dirty_rect.origin.y < 0 {
+ dirty_rect.size.height += dirty_rect.origin.y;
+ dirty_rect.origin.y = 0;
+ }
+
+ // 4) If dirtyX+dirtyWidth is greater than the width attribute of the imagedata argument,
+ // let dirtyWidth be the value of that width attribute, minus the value of dirtyX.
+ if dirty_rect.origin.x + dirty_rect.size.width > image_data_rect.size.width {
+ dirty_rect.size.width = image_data_rect.size.width - dirty_rect.origin.x;
+ }
+
+ // 4) If dirtyY+dirtyHeight is greater than the height attribute of the imagedata argument,
+ // let dirtyHeight be the value of that height attribute, minus the value of dirtyY.
+ if dirty_rect.origin.y + dirty_rect.size.height > image_data_rect.size.height {
+ dirty_rect.size.height = image_data_rect.size.height - dirty_rect.origin.y;
+ }
+
+ dirty_rect
+ }
+
+ /// It writes an image to the destination canvas
+ /// imagedata: Pixel information of the image to be written
+ /// source_rect: Area of the source image to be copied
+ /// dest_rect: Area of the destination canvas where the pixels will be copied
+ /// smoothing_enabled: It determines if smoothing is applied to the image result
+ fn write_image(&self, mut imagedata: Vec<u8>,
+ source_rect: Rect<i32>, dest_rect: Rect<i32>, smoothing_enabled: bool) {
+ if imagedata.len() == 0 {
+ return
+ }
+ // Image data already contains the portion of the image we want to draw
+ // so the source rect corresponds to the whole area of the copied imagedata
+ let source_rect = Rect(Point2D(0i32, 0i32), source_rect.size);
+ // rgba -> bgra
+ byte_swap(imagedata.as_mut_slice());
+ self.write_pixels(&imagedata, source_rect.size, source_rect, dest_rect, smoothing_enabled);
+ }
+
+}
+
pub struct CanvasPaintTask<'a> {
drawtarget: DrawTarget,
fill_style: Pattern,
@@ -80,6 +211,12 @@ impl<'a> CanvasPaintTask<'a> {
CanvasMsg::BeginPath => painter.begin_path(),
CanvasMsg::ClosePath => painter.close_path(),
CanvasMsg::Fill => painter.fill(),
+ CanvasMsg::DrawImage(imagedata, dest_rect, source_rect, smoothing_enabled) => {
+ painter.draw_image(imagedata, dest_rect, source_rect, smoothing_enabled)
+ }
+ CanvasMsg::DrawImageSelf(image_size, dest_rect, source_rect, smoothing_enabled) => {
+ painter.draw_image_self(image_size, dest_rect, source_rect, smoothing_enabled)
+ }
CanvasMsg::MoveTo(ref point) => painter.move_to(point),
CanvasMsg::LineTo(ref point) => painter.line_to(point),
CanvasMsg::QuadraticCurveTo(ref cp, ref pt) => {
@@ -97,8 +234,8 @@ impl<'a> CanvasPaintTask<'a> {
CanvasMsg::Recreate(size) => painter.recreate(size),
CanvasMsg::SendPixelContents(chan) => painter.send_pixel_contents(chan),
CanvasMsg::GetImageData(dest_rect, canvas_size, chan) => painter.get_image_data(dest_rect, canvas_size, chan),
- CanvasMsg::PutImageData(imagedata, image_data_rect, dirty_rect, canvas_size)
- => painter.put_image_data(imagedata, image_data_rect, dirty_rect, canvas_size),
+ CanvasMsg::PutImageData(imagedata, image_data_rect, dirty_rect)
+ => painter.put_image_data(imagedata, image_data_rect, dirty_rect),
CanvasMsg::Close => break,
}
}
@@ -147,6 +284,21 @@ impl<'a> CanvasPaintTask<'a> {
};
}
+ fn draw_image(&self, imagedata: Vec<u8>, dest_rect: Rect<i32>,
+ source_rect: Rect<i32>, smoothing_enabled: bool) {
+ self.write_image(imagedata, source_rect, dest_rect, smoothing_enabled);
+ }
+
+ fn draw_image_self(&self, image_size: Size2D<i32>,
+ dest_rect: Rect<i32>, source_rect: Rect<i32>,
+ smoothing_enabled: bool) {
+ // Reads pixels from source image
+ // In this case source and target are the same canvas
+ let imagedata = self.read_pixels(source_rect, image_size);
+ // Writes on target canvas
+ self.write_image(imagedata, source_rect, dest_rect, smoothing_enabled);
+ }
+
fn move_to(&self, point: &Point2D<AzFloat>) {
self.path_builder.move_to(*point)
}
@@ -220,36 +372,16 @@ impl<'a> CanvasPaintTask<'a> {
dest_rect.size.height = 1;
}
- let canvas_rect = Rect(Point2D(0i32, 0i32), canvas_size);
- let src_read_rect = canvas_rect.intersection(&dest_rect).unwrap_or(Rect::zero());
-
- let mut dest_data = Vec::new();
- //load the canvas data to the source vector
- if !src_read_rect.is_empty() && canvas_size.width != 0 && canvas_size.height != 0 {
- let data_surface = self.drawtarget.snapshot().get_data_surface();
- let mut src_data = Vec::new();
- data_surface.with_data(|element| {
- src_data = element.to_vec();
- });
-
- let stride = data_surface.stride();
-
- //start offset of the copyable rectangle
- let mut src = (src_read_rect.origin.y * stride + src_read_rect.origin.x * 4) as usize;
- //copy the data to the destination vector
- for _ in 0..src_read_rect.size.height {
- let row = &src_data[src .. src + (4 * src_read_rect.size.width) as usize];
- dest_data.push_all(row);
- src += stride as usize;
- }
- }
+ let mut dest_data = self.read_pixels(dest_rect, canvas_size);
+
// bgra -> rgba
byte_swap(dest_data.as_mut_slice());
chan.send(dest_data).unwrap();
}
- fn put_image_data(&mut self, mut imagedata: Vec<u8>, image_data_rect: Rect<i32>,
- dirty_rect: Option<Rect<i32>>, canvas_size: Size2D<i32>) {
+ fn put_image_data(&mut self, mut imagedata: Vec<u8>,
+ image_data_rect: Rect<i32>,
+ dirty_rect: Option<Rect<i32>>) {
if image_data_rect.size.width <= 0 || image_data_rect.size.height <= 0 {
return
@@ -259,46 +391,37 @@ impl<'a> CanvasPaintTask<'a> {
// rgba -> bgra
byte_swap(imagedata.as_mut_slice());
- let new_image_data_rect = Rect(Point2D(0i32, 0i32),
- Size2D(image_data_rect.size.width, image_data_rect.size.height));
-
- let new_dirty_rect = match dirty_rect {
- Some(mut dirty_rect) => {
- if dirty_rect.size.width < 0 {
- dirty_rect.origin.x = dirty_rect.origin.x + dirty_rect.size.width;
- dirty_rect.size.width = -dirty_rect.size.width;
- }
- if dirty_rect.size.height < 0 {
- dirty_rect.origin.y = dirty_rect.origin.y + dirty_rect.size.height;
- dirty_rect.size.height = -dirty_rect.size.height;
- }
- new_image_data_rect.intersection(&dirty_rect)
- },
- None => Some(new_image_data_rect)
+ let image_rect = Rect(Point2D(0i32, 0i32),
+ Size2D(image_data_rect.size.width, image_data_rect.size.height));
+
+ // Dirty rectangle defines the area of the source image to be copied
+ // on the destination canvas
+ let source_rect = match dirty_rect {
+ Some(dirty_rect) =>
+ self.calculate_dirty_rect(dirty_rect, image_data_rect),
+ // If no dirty area is provided we consider the whole source image
+ // as the area to be copied to the canvas
+ None => image_rect,
};
- if let Some(new_dirty_rect) = new_dirty_rect {
- let moved_dirty_rect = Rect(new_dirty_rect.origin.add(image_data_rect.origin),
- new_dirty_rect.size).intersection(&Rect(Point2D(0i32, 0i32),
- canvas_size)).unwrap_or(Rect::zero());
- if moved_dirty_rect.is_empty() {
- return
- }
-
- let source_surface = self.drawtarget.create_source_surface_from_data(&imagedata,
- image_data_rect.size, image_data_rect.size.width * 4, SurfaceFormat::B8G8R8A8);
-
- let draw_surface_options = DrawSurfaceOptions::new(Filter::Linear, true);
- let draw_options = DrawOptions::new(1.0f64 as AzFloat, 0);
-
- self.drawtarget.draw_surface(source_surface,
- Rect(Point2D(moved_dirty_rect.origin.x as AzFloat, moved_dirty_rect.origin.y as AzFloat),
- Size2D(moved_dirty_rect.size.width as AzFloat, moved_dirty_rect.size.height as AzFloat)),
- Rect(Point2D((moved_dirty_rect.origin.x - image_data_rect.origin.x) as AzFloat,
- (moved_dirty_rect.origin.y - image_data_rect.origin.y) as AzFloat),
- Size2D(moved_dirty_rect.size.width as AzFloat, moved_dirty_rect.size.height as AzFloat)),
- draw_surface_options, draw_options);
+ // 5) If either dirtyWidth or dirtyHeight is negative or zero,
+ // stop without affecting any bitmaps
+ if source_rect.size.width <= 0 || source_rect.size.height <= 0 {
+ return
}
+
+ // 6) For all integer values of x and y where dirtyX ≤ x < dirty
+ // X+dirtyWidth and dirtyY ≤ y < dirtyY+dirtyHeight, copy the
+ // four channels of the pixel with coordinate (x, y) in the imagedata
+ // data structure's Canvas Pixel ArrayBuffer to the pixel with coordinate
+ // (dx+x, dy+y) in the rendering context's scratch bitmap.
+ // It also clips the destination rectangle to the canvas area
+ let dest_rect = Rect(
+ Point2D(image_data_rect.origin.x + source_rect.origin.x,
+ image_data_rect.origin.y + source_rect.origin.y),
+ Size2D(source_rect.size.width, source_rect.size.height));
+
+ self.write_pixels(&imagedata, image_data_rect.size, source_rect, dest_rect, true)
}
}
@@ -404,3 +527,14 @@ impl FillOrStrokeStyle {
}
}
}
+
+pub trait ToAzFloat {
+ fn to_azfloat(&self) -> Rect<AzFloat>;
+}
+
+impl ToAzFloat for Rect<i32> {
+ fn to_azfloat(&self) -> Rect<AzFloat> {
+ Rect(Point2D(self.origin.x as AzFloat, self.origin.y as AzFloat),
+ Size2D(self.size.width as AzFloat, self.size.height as AzFloat))
+ }
+}
diff --git a/components/script/dom/canvasrenderingcontext2d.rs b/components/script/dom/canvasrenderingcontext2d.rs
index 4c2e05b4b9e..58f3b51ab05 100644
--- a/components/script/dom/canvasrenderingcontext2d.rs
+++ b/components/script/dom/canvasrenderingcontext2d.rs
@@ -6,6 +6,7 @@ use dom::bindings::codegen::Bindings::CanvasRenderingContext2DBinding;
use dom::bindings::codegen::Bindings::CanvasRenderingContext2DBinding::CanvasRenderingContext2DMethods;
use dom::bindings::codegen::Bindings::CanvasRenderingContext2DBinding::CanvasWindingRule;
use dom::bindings::codegen::Bindings::ImageDataBinding::ImageDataMethods;
+use dom::bindings::codegen::UnionTypes::HTMLCanvasElementOrCanvasRenderingContext2D;
use dom::bindings::codegen::UnionTypes::StringOrCanvasGradientOrCanvasPattern;
use dom::bindings::error::Error::{IndexSize, TypeError};
use dom::bindings::error::Fallible;
@@ -37,6 +38,7 @@ pub struct CanvasRenderingContext2D {
global: GlobalField,
renderer: Sender<CanvasMsg>,
canvas: JS<HTMLCanvasElement>,
+ image_smoothing_enabled: Cell<bool>,
stroke_color: Cell<RGBA>,
fill_color: Cell<RGBA>,
transform: Cell<Matrix2D<f32>>,
@@ -56,6 +58,7 @@ impl CanvasRenderingContext2D {
global: GlobalField::from_rooted(&global),
renderer: CanvasPaintTask::start(size),
canvas: JS::from_rooted(canvas),
+ image_smoothing_enabled: Cell::new(true),
stroke_color: Cell::new(black),
fill_color: Cell::new(black),
transform: Cell::new(Matrix2D::identity()),
@@ -75,6 +78,120 @@ impl CanvasRenderingContext2D {
fn update_transform(&self) {
self.renderer.send(CanvasMsg::SetTransform(self.transform.get())).unwrap()
}
+
+ // It is used by DrawImage to calculate the size of the source and destination rectangles based
+ // on the drawImage call arguments
+ // source rectangle = area of the original image to be copied
+ // destination rectangle = area of the destination canvas where the source image is going to be drawn
+ fn adjust_source_dest_rects(&self,
+ canvas: JSRef<HTMLCanvasElement>,
+ sx: f64, sy: f64, sw: f64, sh: f64,
+ dx: f64, dy: f64, dw: f64, dh: f64) -> (Rect<i32>, Rect<i32>) {
+ let image_size = canvas.get_size();
+ let image_rect = Rect(Point2D(0f64, 0f64),
+ Size2D(image_size.width as f64, image_size.height as f64));
+
+ // The source rectangle is the rectangle whose corners are the four points (sx, sy),
+ // (sx+sw, sy), (sx+sw, sy+sh), (sx, sy+sh).
+ let source_rect = Rect(Point2D(sx, sy),
+ Size2D(sw, sh));
+
+ // When the source rectangle is outside the source image,
+ // the source rectangle must be clipped to the source image
+ let source_rect_clipped = source_rect.intersection(&image_rect).unwrap_or(Rect::zero());
+
+ // Width and height ratios between the non clipped and clipped source rectangles
+ let width_ratio: f64 = source_rect_clipped.size.width / source_rect.size.width;
+ let height_ratio: f64 = source_rect_clipped.size.height / source_rect.size.height;
+
+ // When the source rectangle is outside the source image,
+ // the destination rectangle must be clipped in the same proportion.
+ let dest_rect_width_scaled: f64 = dw * width_ratio;
+ let dest_rect_height_scaled: f64 = dh * height_ratio;
+
+ // The destination rectangle is the rectangle whose corners are the four points (dx, dy),
+ // (dx+dw, dy), (dx+dw, dy+dh), (dx, dy+dh).
+ let dest_rect = Rect(Point2D(dx.to_i32().unwrap(),
+ dy.to_i32().unwrap()),
+ Size2D(dest_rect_width_scaled.to_i32().unwrap(),
+ dest_rect_height_scaled.to_i32().unwrap()));
+
+ let source_rect = Rect(Point2D(source_rect_clipped.origin.x.to_i32().unwrap(),
+ source_rect_clipped.origin.y.to_i32().unwrap()),
+ Size2D(source_rect_clipped.size.width.to_i32().unwrap(),
+ source_rect_clipped.size.height.to_i32().unwrap()));
+
+ return (source_rect, dest_rect)
+ }
+
+ //
+ // drawImage coordinates explained
+ //
+ // Source Image Destination Canvas
+ // +-------------+ +-------------+
+ // | | | |
+ // |(sx,sy) | |(dx,dy) |
+ // | +----+ | | +----+ |
+ // | | | | | | | |
+ // | | |sh |---->| | |dh |
+ // | | | | | | | |
+ // | +----+ | | +----+ |
+ // | sw | | dw |
+ // | | | |
+ // +-------------+ +-------------+
+ //
+ //
+ // The rectangle (sx, sy, sw, sh) from the source image
+ // is copied on the rectangle (dx, dy, dh, dw) of the destination canvas
+ //
+ // https://html.spec.whatwg.org/multipage/scripting.html#dom-context-2d-drawimage
+ fn draw_html_canvas_element(&self,
+ canvas: JSRef<HTMLCanvasElement>,
+ sx: f64, sy: f64, sw: f64, sh: f64,
+ dx: f64, dy: f64, dw: f64, dh: f64) -> Fallible<()> {
+
+ // 1. Check the usability of the image argument
+ if !canvas.is_valid() {
+ return Ok(())
+ }
+
+ // 2. Establish the source and destination rectangles
+ let (source_rect, dest_rect) = self.adjust_source_dest_rects(canvas, sx, sy, sw, sh, dx, dy, dw, dh);
+
+ if !is_rect_valid(source_rect) || !is_rect_valid(dest_rect) {
+ return Err(IndexSize)
+ }
+
+ let smoothing_enabled = self.image_smoothing_enabled.get();
+ let canvas_size = canvas.get_size();
+
+ // If the source and target canvas are the same
+ let msg = if self.canvas.root().r() == canvas {
+ CanvasMsg::DrawImageSelf(canvas_size, dest_rect, source_rect, smoothing_enabled)
+ } else { // Source and target canvases are different
+ let context = canvas.get_2d_context().root();
+ let renderer = context.r().get_renderer();
+ let (sender, receiver) = channel::<Vec<u8>>();
+ // Reads pixels from source image
+ renderer.send(CanvasMsg::GetImageData(source_rect, canvas_size, sender)).unwrap();
+ let imagedata = receiver.recv().unwrap();
+ // Writes pixels to destination canvas
+ CanvasMsg::DrawImage(imagedata, dest_rect, source_rect, smoothing_enabled)
+ };
+
+ self.renderer.send(msg).unwrap();
+ Ok(())
+ }
+}
+
+pub trait CanvasRenderingContext2DHelpers {
+ fn get_renderer(&self) -> Sender<CanvasMsg>;
+}
+
+impl CanvasRenderingContext2DHelpers for CanvasRenderingContext2D {
+ fn get_renderer(&self) -> Sender<CanvasMsg> {
+ self.renderer.clone()
+ }
}
pub trait LayoutCanvasRenderingContext2DHelpers {
@@ -151,6 +268,102 @@ impl<'a> CanvasRenderingContext2DMethods for JSRef<'a, CanvasRenderingContext2D>
self.renderer.send(CanvasMsg::Fill).unwrap();
}
+ // https://html.spec.whatwg.org/multipage/scripting.html#dom-context-2d-drawimage
+ fn DrawImage(self, image: HTMLCanvasElementOrCanvasRenderingContext2D,
+ dx: f64, dy: f64) -> Fallible<()> {
+
+ // From rules described in the spec:
+ // If the sx, sy, sw, and sh arguments are omitted, they must default to 0, 0,
+ // the image's intrinsic width in image pixels,
+ // and the image's intrinsic height in image pixels, respectively
+ let sx: f64 = 0f64;
+ let sy: f64 = 0f64;
+
+ match image {
+ HTMLCanvasElementOrCanvasRenderingContext2D::eHTMLCanvasElement(image) => {
+ let canvas = image.root();
+ let canvas_size = canvas.r().get_size();
+ let dw: f64 = canvas_size.width as f64;
+ let dh: f64 = canvas_size.height as f64;
+ let sw: f64 = dw;
+ let sh: f64 = dh;
+ return self.draw_html_canvas_element(canvas.r(),
+ sx, sy, sw, sh,
+ dx, dy, dw, dh)
+ }
+ HTMLCanvasElementOrCanvasRenderingContext2D::eCanvasRenderingContext2D(image) => {
+ let image = image.root();
+ let context = image.r();
+ let canvas = context.Canvas().root();
+ let canvas_size = canvas.r().get_size();
+ let dw: f64 = canvas_size.width as f64;
+ let dh: f64 = canvas_size.height as f64;
+ let sw: f64 = dw;
+ let sh: f64 = dh;
+ return self.draw_html_canvas_element(canvas.r(),
+ sx, sy, sw, sh,
+ dx, dy, dw, dh)
+ }
+ }
+ }
+
+ // https://html.spec.whatwg.org/multipage/scripting.html#dom-context-2d-drawimage
+ fn DrawImage_(self, image: HTMLCanvasElementOrCanvasRenderingContext2D,
+ dx: f64, dy: f64, dw: f64, dh: f64) -> Fallible<()> {
+
+ // From rules described in the spec:
+ // If the sx, sy, sw, and sh arguments are omitted, they must default to 0, 0,
+ // the image's intrinsic width in image pixels,
+ // and the image's intrinsic height in image pixels, respectively
+ let sx: f64 = 0f64;
+ let sy: f64 = 0f64;
+
+ match image {
+ HTMLCanvasElementOrCanvasRenderingContext2D::eHTMLCanvasElement(image) => {
+ let canvas = image.root();
+ let canvas_size = canvas.r().get_size();
+ let sw: f64 = canvas_size.width as f64;
+ let sh: f64 = canvas_size.height as f64;
+ return self.draw_html_canvas_element(canvas.r(),
+ sx, sy, sw, sh,
+ dx, dy, dw, dh)
+ }
+ HTMLCanvasElementOrCanvasRenderingContext2D::eCanvasRenderingContext2D(image) => {
+ let image = image.root();
+ let context = image.r();
+ let canvas = context.Canvas().root();
+ let canvas_size = canvas.r().get_size();
+ let sw: f64 = canvas_size.width as f64;
+ let sh: f64 = canvas_size.height as f64;
+ return self.draw_html_canvas_element(canvas.r(),
+ sx, sy, sw, sh,
+ dx, dy, dw, dh)
+ }
+ }
+ }
+
+ // https://html.spec.whatwg.org/multipage/scripting.html#dom-context-2d-drawimage
+ fn DrawImage__(self, image: HTMLCanvasElementOrCanvasRenderingContext2D,
+ sx: f64, sy: f64, sw: f64, sh: f64,
+ dx: f64, dy: f64, dw: f64, dh: f64) -> Fallible<()> {
+ match image {
+ HTMLCanvasElementOrCanvasRenderingContext2D::eHTMLCanvasElement(image) => {
+ let canvas = image.root();
+ return self.draw_html_canvas_element(canvas.r(),
+ sx, sy, sw, sh,
+ dx, dy, dw, dh)
+ }
+ HTMLCanvasElementOrCanvasRenderingContext2D::eCanvasRenderingContext2D(image) => {
+ let image = image.root();
+ let context = image.r();
+ let canvas = context.Canvas().root();
+ return self.draw_html_canvas_element(canvas.r(),
+ sx, sy, sw, sh,
+ dx, dy, dw, dh)
+ }
+ }
+ }
+
fn MoveTo(self, x: f64, y: f64) {
self.renderer.send(CanvasMsg::MoveTo(Point2D(x as f32, y as f32))).unwrap();
}
@@ -175,6 +388,16 @@ impl<'a> CanvasRenderingContext2DMethods for JSRef<'a, CanvasRenderingContext2D>
start as f32, end as f32, ccw)).unwrap();
}
+ // https://html.spec.whatwg.org/#dom-context-2d-imagesmoothingenabled
+ fn ImageSmoothingEnabled(self) -> bool {
+ self.image_smoothing_enabled.get()
+ }
+
+ // https://html.spec.whatwg.org/#dom-context-2d-imagesmoothingenabled
+ fn SetImageSmoothingEnabled(self, value: bool) -> () {
+ self.image_smoothing_enabled.set(value);
+ }
+
fn StrokeStyle(self) -> StringOrCanvasGradientOrCanvasPattern {
// FIXME(pcwalton, #4761): This is not spec-compliant. See:
//
@@ -261,8 +484,7 @@ impl<'a> CanvasRenderingContext2DMethods for JSRef<'a, CanvasRenderingContext2D>
let data = imagedata.get_data_array(&self.global.root().r());
let image_data_rect = Rect(Point2D(dx.to_i32().unwrap(), dy.to_i32().unwrap()), imagedata.get_size());
let dirty_rect = None;
- let canvas_size = self.canvas.root().r().get_size();
- self.renderer.send(CanvasMsg::PutImageData(data, image_data_rect, dirty_rect, canvas_size)).unwrap()
+ self.renderer.send(CanvasMsg::PutImageData(data, image_data_rect, dirty_rect)).unwrap()
}
fn PutImageData_(self, imagedata: JSRef<ImageData>, dx: f64, dy: f64,
@@ -274,8 +496,7 @@ impl<'a> CanvasRenderingContext2DMethods for JSRef<'a, CanvasRenderingContext2D>
let dirty_rect = Some(Rect(Point2D(dirtyX.to_i32().unwrap(), dirtyY.to_i32().unwrap()),
Size2D(dirtyWidth.to_i32().unwrap(),
dirtyHeight.to_i32().unwrap())));
- let canvas_size = self.canvas.root().r().get_size();
- self.renderer.send(CanvasMsg::PutImageData(data, image_data_rect, dirty_rect, canvas_size)).unwrap()
+ self.renderer.send(CanvasMsg::PutImageData(data, image_data_rect, dirty_rect)).unwrap()
}
fn CreateLinearGradient(self, x0: f64, y0: f64, x1: f64, y1: f64) -> Fallible<Temporary<CanvasGradient>> {
@@ -309,3 +530,8 @@ pub fn parse_color(string: &str) -> Result<RGBA,()> {
}
}
+// Used by drawImage to determine if a source or destination rectangle is valid
+// Origin coordinates and size cannot be negative. Size has to be greater than zero
+fn is_rect_valid(rect: Rect<i32>) -> bool {
+ rect.origin.x >= 0 && rect.origin.y >= 0 && rect.size.width > 0 && rect.size.height > 0
+}
diff --git a/components/script/dom/htmlcanvaselement.rs b/components/script/dom/htmlcanvaselement.rs
index 9c3c11d5dbc..e4fc68565a3 100644
--- a/components/script/dom/htmlcanvaselement.rs
+++ b/components/script/dom/htmlcanvaselement.rs
@@ -91,12 +91,22 @@ impl LayoutHTMLCanvasElementHelpers for LayoutJS<HTMLCanvasElement> {
pub trait HTMLCanvasElementHelpers {
fn get_size(&self) -> Size2D<i32>;
+ fn get_2d_context(self) -> Temporary<CanvasRenderingContext2D>;
+ fn is_valid(self) -> bool;
}
impl<'a> HTMLCanvasElementHelpers for JSRef<'a, HTMLCanvasElement> {
fn get_size(&self) -> Size2D<i32> {
Size2D(self.Width() as i32, self.Height() as i32)
}
+
+ fn get_2d_context(self) -> Temporary<CanvasRenderingContext2D> {
+ self.GetContext(String::from_str("2d")).unwrap()
+ }
+
+ fn is_valid(self) -> bool {
+ self.height.get() != 0 && self.width.get() != 0
+ }
}
impl<'a> HTMLCanvasElementMethods for JSRef<'a, HTMLCanvasElement> {
diff --git a/components/script/dom/webidls/CanvasRenderingContext2D.webidl b/components/script/dom/webidls/CanvasRenderingContext2D.webidl
index 1cc40eb0f3f..0218600bba1 100644
--- a/components/script/dom/webidls/CanvasRenderingContext2D.webidl
+++ b/components/script/dom/webidls/CanvasRenderingContext2D.webidl
@@ -6,6 +6,12 @@
enum CanvasWindingRule { "nonzero", "evenodd" };
// http://www.whatwg.org/html/#2dcontext
+typedef (/* HTMLImageElement or
+ HTMLVideoElement or */
+ HTMLCanvasElement or
+ CanvasRenderingContext2D /* or
+ ImageBitmap */) CanvasImageSource;
+
//[Constructor(optional unsigned long width, unsigned long height), Exposed=Window,Worker]
interface CanvasRenderingContext2D {
@@ -47,7 +53,7 @@ interface CanvasRenderingContext2D {
// attribute DOMString globalCompositeOperation; // (default source-over)
// image smoothing
- // attribute boolean imageSmoothingEnabled; // (default true)
+ attribute boolean imageSmoothingEnabled; // (default true)
// colours and styles (see also the CanvasDrawingStyles interface)
attribute (DOMString or CanvasGradient or CanvasPattern) strokeStyle; // (default black)
@@ -101,9 +107,12 @@ interface CanvasRenderingContext2D {
//TextMetrics measureText(DOMString text);
// drawing images
- //void drawImage(CanvasImageSource image, unrestricted double dx, unrestricted double dy);
- //void drawImage(CanvasImageSource image, unrestricted double dx, unrestricted double dy, unrestricted double dw, unrestricted double dh);
- //void drawImage(CanvasImageSource image, unrestricted double sx, unrestricted double sy, unrestricted double sw, unrestricted double sh, unrestricted double dx, unrestricted double dy, unrestricted double dw, unrestricted double dh);
+ [Throws]
+ void drawImage(CanvasImageSource image, /* unrestricted */ double dx, /* unrestricted */ double dy);
+ [Throws]
+ void drawImage(CanvasImageSource image, /* unrestricted */ double dx, /* unrestricted */ double dy, /* unrestricted */ double dw, /* unrestricted */ double dh);
+ [Throws]
+ void drawImage(CanvasImageSource image, /* unrestricted */ double sx, /* unrestricted */ double sy, /* unrestricted */ double sw, /* unrestricted */ double sh, /* unrestricted */ double dx, /* unrestricted */ double dy, /* unrestricted */ double dw, /* unrestricted */ double dh);
// hit regions
//void addHitRegion(optional HitRegionOptions options);
@@ -135,7 +144,7 @@ interface CanvasPathMethods {
/*unrestricted*/ double x,
/*unrestricted*/ double y);
- //void arcTo(double x1, double y1, double x2, double y2, double radius);
+ //void arcTo(double x1, double y1, double x2, double y2, double radius);
// NOT IMPLEMENTED [LenientFloat] void arcTo(double x1, double y1, double x2, double y2, double radiusX, double radiusY, double rotation);
//void rect(double x, double y, double w, double h);
diff --git a/components/servo/Cargo.lock b/components/servo/Cargo.lock
index bc520d62f3e..750871127ad 100644
--- a/components/servo/Cargo.lock
+++ b/components/servo/Cargo.lock
@@ -898,6 +898,7 @@ dependencies = [
name = "util"
version = "0.0.1"
dependencies = [
+ "azure 0.1.0 (git+https://github.com/servo/rust-azure)",
"bitflags 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
"cssparser 0.2.0 (git+https://github.com/servo/rust-cssparser)",
"geom 0.1.0 (git+https://github.com/servo/rust-geom)",
diff --git a/components/util/Cargo.toml b/components/util/Cargo.toml
index 1fc0ac21f61..706ca02e9b6 100644
--- a/components/util/Cargo.toml
+++ b/components/util/Cargo.toml
@@ -24,6 +24,9 @@ git = "https://github.com/servo/rust-cssparser"
[dependencies.selectors]
git = "https://github.com/servo/rust-selectors"
+[dependencies.azure]
+git = "https://github.com/servo/rust-azure"
+
[dependencies.geom]
git = "https://github.com/servo/rust-geom"
diff --git a/components/util/lib.rs b/components/util/lib.rs
index 62068621467..c9b1c5bb76a 100644
--- a/components/util/lib.rs
+++ b/components/util/lib.rs
@@ -24,6 +24,7 @@
#[macro_use] extern crate log;
+extern crate azure;
extern crate alloc;
#[macro_use] extern crate bitflags;
extern crate cssparser;
diff --git a/tests/html/test_canvas_drawimage.html b/tests/html/test_canvas_drawimage.html
new file mode 100644
index 00000000000..54a7082f9f3
--- /dev/null
+++ b/tests/html/test_canvas_drawimage.html
@@ -0,0 +1,263 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style type=''>
+html {
+ font-family: helvetica, sans-serif;
+}
+
+canvas {
+ padding: 15px;
+ margin: 10px;
+}
+
+.example {
+ display: inline-block;
+ width: 280px;
+ margin-top: 50px;
+ margin-right: 50px;
+}
+
+.title {
+ text-align: center;
+}
+
+.description {
+ width: 100%;
+}
+
+.description div {
+ display: inline-block;
+ text-align: center;
+ font-size: 13px;
+}
+
+.description .source {
+ width: 100px;
+}
+
+.description .target {
+ width: 130px;
+}
+
+.example-title {
+ text-align: center;
+ font-size: 16px;
+}
+
+.error {
+ color: red;
+}
+
+</style>
+<body>
+ <h1 class="title">DrawImage canvas to canvas</h1>
+</body>
+
+<script type="text/javascript">
+
+var smoothingEnabled = false;
+var examplesNum = 0;
+
+var imageSource = {
+ width: 50,
+ height: 50
+};
+
+var destCanvas = {
+ width: 100,
+ height: 100
+};
+
+// 2 arguments, the dest origin is 0,0
+// The source canvas will copied to the 0,0 position of the destination canvas
+drawImage(0, 0);
+// 2 arguments, the dest origin is not 0,0
+// The source canvas will copied to the 25, 25 position of the destination canvas
+drawImage(25, 25);
+// 4 arguments, the source origin is not 0,0, the dest size is provided
+// The source canvas will copied to the 50, 50 position of the destination canvas and
+// on an area of 50x50 pixels
+drawImage(50, 50, 50, 50);
+// 4 arguments, the dest origin is not 0,0 and the dest size is provided but
+// does not match the size of the source. The image will be distorted
+// The source canvas will copied to the 50,50 position of the destination canvas
+// and it will be shrunk to a and area of 25x25
+drawImage(50, 50, 25, 25);
+// The source canvas will copied to the 50,50 position of the destination canvas
+// over an area of 50x25 pixels
+// The copied image will be distorted along the x axis
+drawImage(50, 50, 50, 25);
+// 8 arguments, both destination and source origins are 0, 0
+// An area of 25x25 pixels of the source image will be copied to
+// an area of 25x25 pixels of the destination canvas
+drawImage(0, 0, 25, 25, 0, 0, 25, 25);
+// 8 arguments the destination origin is not 0,0
+// An area of 25x25 pixels of the source image will be copied to
+// an area of 25x25 pixels of the destination canvas in the position 25,25
+drawImage(0, 0, 25, 25, 25, 25, 25, 25);
+// The source rectangle overflows the source image
+// The source area is clipped to fit the source image
+// and the destination are is clipped in the same proportion
+drawImage(25, 25, 50, 50, 0, 0, 50, 50);
+// The destination rectangle has negative width and height
+// An exception is raised and nothing is drawn
+drawImage(25, 25, 50, 50, 0, 0, -100, -100);
+// The destination rectangle is larger thant the destination canvas
+// When the destination rectangle is outside the destination image (the scratch bitmap), the pixels
+// that land outside the scratch bitmap are discarded, as if the destination was an infinite canvas
+// whose rendering was clipped to the dimensions of the scratch bitmap.
+drawImage(0, 0, 50, 50, 0, 0, 200, 200);
+// The source rectangle is larger than the source canvas
+// The source area is clipped to fit the source image
+// and the destination are is clipped in the same proportion
+drawImage(0, 0, 100, 100, 0, 0, 50, 50);
+// Negative coorditanes of the source rectangle
+// The source area is clipped to fit the source image
+// and the destination are is clipped in the same proportion
+drawImage(-25, -25, 50, 50, 0, 0, 50, 50);
+
+// Example with non squared origin and source canvases
+imageSource = {
+ width: 100,
+ height: 50
+};
+
+destCanvas = {
+ width: 100,
+ height: 50
+};
+
+drawImage(0, 0);
+
+function renderExample(title) {
+ var container = document.createElement('div');
+ container.id = 'example' + examplesNum++;
+ container.setAttribute('class', 'example');
+
+ var h2 = document.createElement('h2');
+ h2.textContent = title;
+ h2.setAttribute('class', 'example-title');
+ container.appendChild(h2);
+
+ var div1 = document.createElement('div');
+ var canvas1 = document.createElement('canvas');
+ var canvas2 = document.createElement('canvas');
+ div1.appendChild(canvas1);
+ div1.appendChild(canvas2);
+ container.appendChild(div1);
+
+ var div2 = document.createElement('div');
+ div2.setAttribute('class', 'description');
+ var source = document.createElement('div');
+ source.textContent = ' Source (' + imageSource.width + ',' + imageSource.height + ')';
+ source.setAttribute('class', 'source');
+
+ var arrow = document.createElement('div');
+ arrow.textContent = ' -> ';
+ arrow.setAttribute('class', 'arrow');
+
+ var target = document.createElement('div');
+ target.textContent = 'Target (' + destCanvas.width + ',' + destCanvas.height + ')';
+ target.setAttribute('class', 'target');
+
+ div2.appendChild(source);
+ div2.appendChild(arrow);
+ div2.appendChild(target);
+ container.appendChild(div2);
+
+ return container;
+}
+
+function drawImage() {
+ var args = Array.prototype.slice.call(arguments);
+
+ var div = renderExample('drawImage(' + args.toString() + ')');
+ var canvasEls = div.querySelectorAll('canvas');
+ var canvas1 = canvasEls[0];
+ var canvas2 = canvasEls[1];
+
+ canvas1.width = imageSource.width;
+ canvas1.height = imageSource.height;
+
+ var ctx1 = canvas1.getContext('2d');
+ ctx1.fillStyle = "#00FFFF";
+ ctx1.fillRect(0, 0, imageSource.width, imageSource.height);
+
+ ctx1.fillStyle = "#000000";
+ ctx1.fillRect(5,5,40,40);
+ ctx1.clearRect(10,10,30,30);
+ ctx1.strokeRect(15,15,20,20);
+
+ canvas2.width = destCanvas.width;
+ canvas2.height = destCanvas.height;
+
+ var ctx2 = canvas2.getContext('2d');
+ ctx2.fillStyle = "#FF0000";
+ ctx2.fillRect(0, 0, destCanvas.width, destCanvas.height);
+ ctx2.imageSmoothingEnabled = smoothingEnabled;
+
+ args.unshift(canvas1);
+ try {
+ ctx2.drawImage.apply(ctx2, args);
+ }
+ catch(err) {
+ var title = div.querySelector('.example-title');
+ var error = document.createElement('h2');
+ error.setAttribute('class', 'example-title error');
+ div.insertBefore(error, title);
+ error.textContent += "Call Failed: " + err.message;
+ }
+
+ document.body.appendChild(div);
+};
+
+
+function drawImage() {
+ var args = Array.prototype.slice.call(arguments);
+
+ var div = renderExample('drawImage(' + args.toString() + ')');
+ var canvasEls = div.querySelectorAll('canvas');
+ var canvas1 = canvasEls[0];
+ var canvas2 = canvasEls[1];
+
+ canvas1.width = imageSource.width;
+ canvas1.height = imageSource.height;
+
+ var ctx1 = canvas1.getContext('2d');
+ ctx1.fillStyle = "#00FFFF";
+ ctx1.fillRect(0, 0, imageSource.width, imageSource.height);
+
+ ctx1.fillStyle = "#000000";
+ ctx1.fillRect(5,5,40,40);
+ ctx1.clearRect(10,10,30,30);
+ ctx1.strokeRect(15,15,20,20);
+
+ canvas2.width = destCanvas.width;
+ canvas2.height = destCanvas.height;
+
+ var ctx2 = canvas2.getContext('2d');
+ ctx2.fillStyle = "#FF0000";
+ ctx2.fillRect(0, 0, destCanvas.width, destCanvas.height);
+ ctx2.imageSmoothingEnabled = smoothingEnabled;
+
+ args.unshift(canvas1);
+ try {
+ ctx2.drawImage.apply(ctx2, args);
+ }
+ catch(err) {
+ var title = div.querySelector('.example-title');
+ var error = document.createElement('h2');
+ error.setAttribute('class', 'example-title error');
+ div.insertBefore(error, title);
+ error.textContent += "Call Failed: " + err.message;
+ }
+
+ document.body.appendChild(div);
+};
+
+</script>
+</body>
+</html> \ No newline at end of file
diff --git a/tests/ref/2dcontext/drawimage_1.html b/tests/ref/2dcontext/drawimage_1.html
new file mode 100644
index 00000000000..4c3ab02b123
--- /dev/null
+++ b/tests/ref/2dcontext/drawimage_1.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style>
+ html, body {
+ margin: 0;
+ }
+</style>
+<body>
+<canvas id="dest" height="100" width="100"></canvas>
+<script>
+
+var sourceWidth = 50;
+var sourceHeight = 50;
+var smoothingEnabled = false;
+var destCanvas = document.getElementById('dest');
+var sourceCanvas = document.createElement('canvas');
+sourceCanvas.width = sourceWidth;
+sourceCanvas.height = sourceHeight;
+
+var sourceCtx = sourceCanvas.getContext('2d');
+sourceCtx.fillStyle = "#00FFFF";
+sourceCtx.fillRect(0, 0, sourceWidth, sourceHeight);
+sourceCtx.fillStyle = "#000000";
+sourceCtx.fillRect(5,5,40,40);
+
+var destCtx = destCanvas.getContext('2d');
+destCtx.fillStyle = "#FF0000";
+destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+destCtx.imageSmoothingEnabled = smoothingEnabled;
+// 2 arguments, the dest origin is 0,0
+// The source canvas will copied to the 0,0 position of the destination canvas
+destCtx.drawImage(sourceCanvas, 0, 0);
+
+</script>
+</body>
+</html> \ No newline at end of file
diff --git a/tests/ref/2dcontext/drawimage_10.html b/tests/ref/2dcontext/drawimage_10.html
new file mode 100644
index 00000000000..0430a54d1c0
--- /dev/null
+++ b/tests/ref/2dcontext/drawimage_10.html
@@ -0,0 +1,42 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style>
+ html, body {
+ margin: 0;
+ }
+</style>
+<body>
+<canvas id="dest" height="100" width="100"></canvas>
+<script>
+
+var sourceWidth = 50;
+var sourceHeight = 50;
+var smoothingEnabled = false;
+var destCanvas = document.getElementById('dest');
+var sourceCanvas = document.createElement('canvas');
+sourceCanvas.width = sourceWidth;
+sourceCanvas.height = sourceHeight;
+
+var sourceCtx = sourceCanvas.getContext('2d');
+sourceCtx.fillStyle = "#00FFFF";
+sourceCtx.fillRect(0, 0, sourceWidth, sourceHeight);
+sourceCtx.fillStyle = "#000000";
+sourceCtx.fillRect(5,5,40,40);
+
+var destCtx = destCanvas.getContext('2d');
+destCtx.fillStyle = "#FF0000";
+destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+destCtx.imageSmoothingEnabled = smoothingEnabled;
+
+// The destination rectangle is larger thant the destination canvas
+// When the destination rectangle is outside the destination image (the scratch bitmap), the pixels
+// that land outside the scratch bitmap are discarded, as if the destination was an infinite canvas
+// whose rendering was clipped to the dimensions of the scratch bitmap.
+destCtx.drawImage(sourceCanvas, 0, 0, 50, 50, 0, 0, 200, 200);
+
+</script>
+</body>
+</html> \ No newline at end of file
diff --git a/tests/ref/2dcontext/drawimage_10_ref.html b/tests/ref/2dcontext/drawimage_10_ref.html
new file mode 100644
index 00000000000..cd05233b8f7
--- /dev/null
+++ b/tests/ref/2dcontext/drawimage_10_ref.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style>
+ html, body {
+ margin: 0;
+ }
+</style>
+<body>
+<canvas id="dest" height="100" width="100"></canvas>
+<script type="text/javascript">
+
+var destCanvas = document.getElementById('dest');
+var destCtx = destCanvas.getContext('2d');
+destCtx.fillStyle = "#FF0000";
+destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+destCtx.fillStyle = "#00FFFF";
+destCtx.fillRect(0, 0, 100, 100);
+destCtx.fillStyle = "#000000";
+destCtx.fillRect(20, 20, 80, 80);
+
+</script>
+</body>
+</html> \ No newline at end of file
diff --git a/tests/ref/2dcontext/drawimage_11.html b/tests/ref/2dcontext/drawimage_11.html
new file mode 100644
index 00000000000..b0f148527be
--- /dev/null
+++ b/tests/ref/2dcontext/drawimage_11.html
@@ -0,0 +1,41 @@
+ <!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style>
+ html, body {
+ margin: 0;
+ }
+</style>
+<body>
+<canvas id="dest" height="100" width="100"></canvas>
+<script>
+
+var sourceWidth = 50;
+var sourceHeight = 50;
+var smoothingEnabled = false;
+var destCanvas = document.getElementById('dest');
+var sourceCanvas = document.createElement('canvas');
+sourceCanvas.width = sourceWidth;
+sourceCanvas.height = sourceHeight;
+
+var sourceCtx = sourceCanvas.getContext('2d');
+sourceCtx.fillStyle = "#00FFFF";
+sourceCtx.fillRect(0, 0, sourceWidth, sourceHeight);
+sourceCtx.fillStyle = "#000000";
+sourceCtx.fillRect(5,5,40,40);
+
+var destCtx = destCanvas.getContext('2d');
+destCtx.fillStyle = "#FF0000";
+destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+destCtx.imageSmoothingEnabled = smoothingEnabled;
+
+// The source rectangle is larger than the source canvas
+// The source area is clipped to fit the source image
+// and the destination are is clipped in the same proportion
+destCtx.drawImage(sourceCanvas, 0, 0, 100, 100, 0, 0, 50, 50);
+
+</script>
+</body>
+</html>
diff --git a/tests/ref/2dcontext/drawimage_11_ref.html b/tests/ref/2dcontext/drawimage_11_ref.html
new file mode 100644
index 00000000000..970f626dfbd
--- /dev/null
+++ b/tests/ref/2dcontext/drawimage_11_ref.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style>
+ html, body {
+ margin: 0;
+ }
+</style>
+<body>
+<canvas id="dest" height="100" width="100"></canvas>
+<script type="text/javascript">
+
+var destCanvas = document.getElementById('dest');
+var destCtx = destCanvas.getContext('2d');
+destCtx.fillStyle = "#FF0000";
+destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+destCtx.fillStyle = "#00FFFF";
+destCtx.fillRect(0, 0, 25, 25);
+destCtx.fillStyle = "#000000";
+destCtx.fillRect(2, 2, 20, 20);
+
+</script>
+</body>
+</html> \ No newline at end of file
diff --git a/tests/ref/2dcontext/drawimage_12.html b/tests/ref/2dcontext/drawimage_12.html
new file mode 100644
index 00000000000..f667f9fa093
--- /dev/null
+++ b/tests/ref/2dcontext/drawimage_12.html
@@ -0,0 +1,41 @@
+ <!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style>
+ html, body {
+ margin: 0;
+ }
+</style>
+<body>
+<canvas id="dest" height="100" width="100"></canvas>
+<script>
+
+var sourceWidth = 50;
+var sourceHeight = 50;
+var smoothingEnabled = false;
+var destCanvas = document.getElementById('dest');
+var sourceCanvas = document.createElement('canvas');
+sourceCanvas.width = sourceWidth;
+sourceCanvas.height = sourceHeight;
+
+var sourceCtx = sourceCanvas.getContext('2d');
+sourceCtx.fillStyle = "#00FFFF";
+sourceCtx.fillRect(0, 0, sourceWidth, sourceHeight);
+sourceCtx.fillStyle = "#000000";
+sourceCtx.fillRect(5,5,40,40);
+
+var destCtx = destCanvas.getContext('2d');
+destCtx.fillStyle = "#FF0000";
+destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+destCtx.imageSmoothingEnabled = smoothingEnabled;
+
+// Negative coorditanes of the source rectangle
+// The source area is clipped to fit the source image
+// and the destination are is clipped in the same proportion
+destCtx.drawImage(sourceCanvas, -25, -25, 50, 50, 0, 0, 50, 50);
+
+</script>
+</body>
+</html>
diff --git a/tests/ref/2dcontext/drawimage_12_ref.html b/tests/ref/2dcontext/drawimage_12_ref.html
new file mode 100644
index 00000000000..190f74f93ef
--- /dev/null
+++ b/tests/ref/2dcontext/drawimage_12_ref.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style>
+ html, body {
+ margin: 0;
+ }
+</style>
+<body>
+<canvas id="dest" height="100" width="100"></canvas>
+<script type="text/javascript">
+
+var destCanvas = document.getElementById('dest');
+var destCtx = destCanvas.getContext('2d');
+destCtx.fillStyle = "#FF0000";
+destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+destCtx.fillStyle = "#00FFFF";
+destCtx.fillRect(0, 0, 25, 25);
+destCtx.fillStyle = "#000000";
+destCtx.fillRect(5, 5, 20, 20);
+
+</script>
+</body>
+</html> \ No newline at end of file
diff --git a/tests/ref/2dcontext/drawimage_1_ref.html b/tests/ref/2dcontext/drawimage_1_ref.html
new file mode 100644
index 00000000000..d0bac45ed5b
--- /dev/null
+++ b/tests/ref/2dcontext/drawimage_1_ref.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style>
+ html, body {
+ margin: 0;
+ }
+ canvas {
+ display: block;
+ }
+</style>
+<body>
+<canvas id="dest" height="100" width="100"></canvas>
+<script type="text/javascript">
+
+var sourceWidth = 50;
+var sourceHeight = 50;
+var destCanvas = document.getElementById('dest');
+var destCtx = destCanvas.getContext('2d');
+destCtx.fillStyle = "#FF0000";
+destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+destCtx.fillStyle = "#00FFFF";
+destCtx.fillRect(0, 0, sourceWidth, sourceHeight);
+destCtx.fillStyle = "#000000";
+destCtx.fillRect(5, 5, 40, 40);
+
+</script>
+</body>
+</html> \ No newline at end of file
diff --git a/tests/ref/2dcontext/drawimage_2.html b/tests/ref/2dcontext/drawimage_2.html
new file mode 100644
index 00000000000..3cca00648c8
--- /dev/null
+++ b/tests/ref/2dcontext/drawimage_2.html
@@ -0,0 +1,40 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style>
+ html, body {
+ margin: 0;
+ }
+</style>
+<body>
+<canvas id="dest" height="100" width="100"></canvas>
+<script>
+
+var sourceWidth = 50;
+var sourceHeight = 50;
+var smoothingEnabled = false;
+var destCanvas = document.getElementById('dest');
+var sourceCanvas = document.createElement('canvas');
+sourceCanvas.width = sourceWidth;
+sourceCanvas.height = sourceHeight;
+
+var sourceCtx = sourceCanvas.getContext('2d');
+sourceCtx.fillStyle = "#00FFFF";
+sourceCtx.fillRect(0, 0, sourceWidth, sourceHeight);
+sourceCtx.fillStyle = "#000000";
+sourceCtx.fillRect(5,5,40,40);
+
+var destCtx = destCanvas.getContext('2d');
+destCtx.fillStyle = "#FF0000";
+destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+destCtx.imageSmoothingEnabled = smoothingEnabled;
+
+// 2 arguments, the dest origin is not 0,0
+// The source canvas will copied to the 25, 25 position of the destination canvas
+destCtx.drawImage(sourceCanvas, 25, 25);
+
+</script>
+</body>
+</html> \ No newline at end of file
diff --git a/tests/ref/2dcontext/drawimage_2_ref.html b/tests/ref/2dcontext/drawimage_2_ref.html
new file mode 100644
index 00000000000..72ec289f714
--- /dev/null
+++ b/tests/ref/2dcontext/drawimage_2_ref.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style>
+ html, body {
+ margin: 0;
+ }
+ canvas {
+ display: block;
+ }
+</style>
+<body>
+<canvas id="dest" height="100" width="100"></canvas>
+<script type="text/javascript">
+
+var sourceWidth = 50;
+var sourceHeight = 50;
+var destCanvas = document.getElementById('dest');
+var destCtx = destCanvas.getContext('2d');
+destCtx.fillStyle = "#FF0000";
+destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+destCtx.fillStyle = "#00FFFF";
+destCtx.fillRect(25, 25, sourceWidth, sourceHeight);
+destCtx.fillStyle = "#000000";
+destCtx.fillRect(30, 30, 40, 40);
+
+</script>
+</body>
+</html> \ No newline at end of file
diff --git a/tests/ref/2dcontext/drawimage_3.html b/tests/ref/2dcontext/drawimage_3.html
new file mode 100644
index 00000000000..392723bd9f7
--- /dev/null
+++ b/tests/ref/2dcontext/drawimage_3.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style>
+ html, body {
+ margin: 0;
+ }
+</style>
+<body>
+<canvas id="dest" height="100" width="100"></canvas>
+<script>
+
+var sourceWidth = 50;
+var sourceHeight = 50;
+var smoothingEnabled = false;
+var destCanvas = document.getElementById('dest');
+var sourceCanvas = document.createElement('canvas');
+sourceCanvas.width = sourceWidth;
+sourceCanvas.height = sourceHeight;
+
+var sourceCtx = sourceCanvas.getContext('2d');
+sourceCtx.fillStyle = "#00FFFF";
+sourceCtx.fillRect(0, 0, sourceWidth, sourceHeight);
+sourceCtx.fillStyle = "#000000";
+sourceCtx.fillRect(5,5,40,40);
+
+var destCtx = destCanvas.getContext('2d');
+destCtx.fillStyle = "#FF0000";
+destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+destCtx.imageSmoothingEnabled = smoothingEnabled;
+
+// 4 arguments, the source origin is not 0,0, the dest size is provided
+// The source canvas will copied to the 50, 50 position of the destination canvas and
+// on an area of 50x50 pixels
+destCtx.drawImage(sourceCanvas, 50, 50, 50, 50);
+
+</script>
+</body>
+</html> \ No newline at end of file
diff --git a/tests/ref/2dcontext/drawimage_3_ref.html b/tests/ref/2dcontext/drawimage_3_ref.html
new file mode 100644
index 00000000000..3e153f1ca65
--- /dev/null
+++ b/tests/ref/2dcontext/drawimage_3_ref.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style>
+ html, body {
+ margin: 0;
+ }
+ canvas {
+ display: block;
+ }
+</style>
+<body>
+<canvas id="dest" height="100" width="100"></canvas>
+<script type="text/javascript">
+
+var sourceWidth = 50;
+var sourceHeight = 50;
+var destCanvas = document.getElementById('dest');
+var destCtx = destCanvas.getContext('2d');
+destCtx.fillStyle = "#FF0000";
+destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+destCtx.fillStyle = "#00FFFF";
+destCtx.fillRect(50, 50, sourceWidth, sourceHeight);
+destCtx.fillStyle = "#000000";
+destCtx.fillRect(55, 55, 40, 40);
+
+</script>
+</body>
+</html> \ No newline at end of file
diff --git a/tests/ref/2dcontext/drawimage_4.html b/tests/ref/2dcontext/drawimage_4.html
new file mode 100644
index 00000000000..a46986a68f0
--- /dev/null
+++ b/tests/ref/2dcontext/drawimage_4.html
@@ -0,0 +1,42 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style>
+ html, body {
+ margin: 0;
+ }
+</style>
+<body>
+<canvas id="dest" height="100" width="100"></canvas>
+<script>
+
+var sourceWidth = 50;
+var sourceHeight = 50;
+var smoothingEnabled = false;
+var destCanvas = document.getElementById('dest');
+var sourceCanvas = document.createElement('canvas');
+sourceCanvas.width = sourceWidth;
+sourceCanvas.height = sourceHeight;
+
+var sourceCtx = sourceCanvas.getContext('2d');
+sourceCtx.fillStyle = "#00FFFF";
+sourceCtx.fillRect(0, 0, sourceWidth, sourceHeight);
+sourceCtx.fillStyle = "#000000";
+sourceCtx.fillRect(5,5,40,40);
+
+var destCtx = destCanvas.getContext('2d');
+destCtx.fillStyle = "#FF0000";
+destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+destCtx.imageSmoothingEnabled = smoothingEnabled;
+
+// 4 arguments, the dest origin is not 0,0 and the dest size is provided but
+// does not match the size of the source. The image will be distorted
+// The source canvas will copied to the 50,50 position of the destination canvas
+// and it will be shrunk to a and area of 20x20
+destCtx.drawImage(sourceCanvas, 50, 50, 20, 20);
+
+</script>
+</body>
+</html> \ No newline at end of file
diff --git a/tests/ref/2dcontext/drawimage_4_ref.html b/tests/ref/2dcontext/drawimage_4_ref.html
new file mode 100644
index 00000000000..9a8cc99371c
--- /dev/null
+++ b/tests/ref/2dcontext/drawimage_4_ref.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style>
+ html, body {
+ margin: 0;
+ }
+</style>
+<body>
+<canvas id="dest" height="100" width="100"></canvas>
+<script type="text/javascript">
+
+var destCanvas = document.getElementById('dest');
+var destCtx = destCanvas.getContext('2d');
+destCtx.fillStyle = "#FF0000";
+destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+destCtx.fillStyle = "#00FFFF";
+destCtx.fillRect(50, 50, 20, 20);
+destCtx.fillStyle = "#000000";
+destCtx.fillRect(52, 52, 16, 16);
+
+</script>
+</body>
+</html> \ No newline at end of file
diff --git a/tests/ref/2dcontext/drawimage_5.html b/tests/ref/2dcontext/drawimage_5.html
new file mode 100644
index 00000000000..3052d66ece8
--- /dev/null
+++ b/tests/ref/2dcontext/drawimage_5.html
@@ -0,0 +1,42 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style>
+ html, body {
+ margin: 0;
+ }
+</style>
+<body>
+<canvas id="dest" height="100" width="100"></canvas>
+<script>
+
+var sourceWidth = 50;
+var sourceHeight = 50;
+var smoothingEnabled = false;
+var destCanvas = document.getElementById('dest');
+var sourceCanvas = document.createElement('canvas');
+sourceCanvas.width = sourceWidth;
+sourceCanvas.height = sourceHeight;
+
+var sourceCtx = sourceCanvas.getContext('2d');
+sourceCtx.fillStyle = "#00FFFF";
+sourceCtx.fillRect(0, 0, sourceWidth, sourceHeight);
+sourceCtx.fillStyle = "#000000";
+sourceCtx.fillRect(5,5,40,40);
+
+var destCtx = destCanvas.getContext('2d');
+destCtx.fillStyle = "#FF0000";
+destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+destCtx.imageSmoothingEnabled = smoothingEnabled;
+
+// The source canvas will copied to the 50,50 position of the destination canvas
+// over an area of 50x25 pixels
+// The copied image will be distorted along the x axis
+
+destCtx.drawImage(sourceCanvas, 50, 50, 50, 20);
+
+</script>
+</body>
+</html> \ No newline at end of file
diff --git a/tests/ref/2dcontext/drawimage_5_ref.html b/tests/ref/2dcontext/drawimage_5_ref.html
new file mode 100644
index 00000000000..47dd63ee2b3
--- /dev/null
+++ b/tests/ref/2dcontext/drawimage_5_ref.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style>
+ html, body {
+ margin: 0;
+ }
+</style>
+<body>
+<canvas id="dest" height="100" width="100"></canvas>
+<script type="text/javascript">
+
+var destCanvas = document.getElementById('dest');
+var destCtx = destCanvas.getContext('2d');
+destCtx.fillStyle = "#FF0000";
+destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+destCtx.fillStyle = "#00FFFF";
+destCtx.fillRect(50, 50, 50, 20);
+destCtx.fillStyle = "#000000";
+destCtx.fillRect(55, 52, 40, 16);
+
+</script>
+</body>
+</html> \ No newline at end of file
diff --git a/tests/ref/2dcontext/drawimage_6.html b/tests/ref/2dcontext/drawimage_6.html
new file mode 100644
index 00000000000..e94efaadfa1
--- /dev/null
+++ b/tests/ref/2dcontext/drawimage_6.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style>
+ html, body {
+ margin: 0;
+ }
+</style>
+<body>
+<canvas id="dest" height="100" width="100"></canvas>
+<script>
+
+var sourceWidth = 50;
+var sourceHeight = 50;
+var smoothingEnabled = false;
+var destCanvas = document.getElementById('dest');
+var sourceCanvas = document.createElement('canvas');
+sourceCanvas.width = sourceWidth;
+sourceCanvas.height = sourceHeight;
+
+var sourceCtx = sourceCanvas.getContext('2d');
+sourceCtx.fillStyle = "#00FFFF";
+sourceCtx.fillRect(0, 0, sourceWidth, sourceHeight);
+sourceCtx.fillStyle = "#000000";
+sourceCtx.fillRect(5,5,40,40);
+
+var destCtx = destCanvas.getContext('2d');
+destCtx.fillStyle = "#FF0000";
+destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+destCtx.imageSmoothingEnabled = smoothingEnabled;
+
+// 8 arguments, both destination and source origins are 0, 0
+// An area of 25x25 pixels of the source image will be copied to
+// an area of 25x25 pixels of the destination canvas
+destCtx.drawImage(sourceCanvas, 0, 0, 25, 25, 0, 0, 25, 25);
+
+</script>
+</body>
+</html> \ No newline at end of file
diff --git a/tests/ref/2dcontext/drawimage_6_ref.html b/tests/ref/2dcontext/drawimage_6_ref.html
new file mode 100644
index 00000000000..190f74f93ef
--- /dev/null
+++ b/tests/ref/2dcontext/drawimage_6_ref.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style>
+ html, body {
+ margin: 0;
+ }
+</style>
+<body>
+<canvas id="dest" height="100" width="100"></canvas>
+<script type="text/javascript">
+
+var destCanvas = document.getElementById('dest');
+var destCtx = destCanvas.getContext('2d');
+destCtx.fillStyle = "#FF0000";
+destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+destCtx.fillStyle = "#00FFFF";
+destCtx.fillRect(0, 0, 25, 25);
+destCtx.fillStyle = "#000000";
+destCtx.fillRect(5, 5, 20, 20);
+
+</script>
+</body>
+</html> \ No newline at end of file
diff --git a/tests/ref/2dcontext/drawimage_7.html b/tests/ref/2dcontext/drawimage_7.html
new file mode 100644
index 00000000000..9ace085d979
--- /dev/null
+++ b/tests/ref/2dcontext/drawimage_7.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style>
+ html, body {
+ margin: 0;
+ }
+</style>
+<body>
+<canvas id="dest" height="100" width="100"></canvas>
+<script>
+
+var sourceWidth = 50;
+var sourceHeight = 50;
+var smoothingEnabled = false;
+var destCanvas = document.getElementById('dest');
+var sourceCanvas = document.createElement('canvas');
+sourceCanvas.width = sourceWidth;
+sourceCanvas.height = sourceHeight;
+
+var sourceCtx = sourceCanvas.getContext('2d');
+sourceCtx.fillStyle = "#00FFFF";
+sourceCtx.fillRect(0, 0, sourceWidth, sourceHeight);
+sourceCtx.fillStyle = "#000000";
+sourceCtx.fillRect(5,5,40,40);
+
+var destCtx = destCanvas.getContext('2d');
+destCtx.fillStyle = "#FF0000";
+destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+destCtx.imageSmoothingEnabled = smoothingEnabled;
+
+// 8 arguments the destination origin is not 0,0
+// An area of 25x25 pixels of the source image will be copied to
+// an area of 25x25 pixels of the destination canvas in the position 25,25
+destCtx.drawImage(sourceCanvas, 0, 0, 25, 25, 25, 25, 25, 25);
+
+</script>
+</body>
+</html> \ No newline at end of file
diff --git a/tests/ref/2dcontext/drawimage_7_ref.html b/tests/ref/2dcontext/drawimage_7_ref.html
new file mode 100644
index 00000000000..51b2b276cad
--- /dev/null
+++ b/tests/ref/2dcontext/drawimage_7_ref.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style>
+ html, body {
+ margin: 0;
+ }
+</style>
+<body>
+<canvas id="dest" height="100" width="100"></canvas>
+<script type="text/javascript">
+
+var destCanvas = document.getElementById('dest');
+var destCtx = destCanvas.getContext('2d');
+destCtx.fillStyle = "#FF0000";
+destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+destCtx.fillStyle = "#00FFFF";
+destCtx.fillRect(25, 25, 25, 25);
+destCtx.fillStyle = "#000000";
+destCtx.fillRect(30, 30, 20, 20);
+
+</script>
+</body>
+</html> \ No newline at end of file
diff --git a/tests/ref/2dcontext/drawimage_8.html b/tests/ref/2dcontext/drawimage_8.html
new file mode 100644
index 00000000000..d1c1f5bced6
--- /dev/null
+++ b/tests/ref/2dcontext/drawimage_8.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style>
+ html, body {
+ margin: 0;
+ }
+</style>
+<body>
+<canvas id="dest" height="100" width="100"></canvas>
+<script>
+
+var sourceWidth = 50;
+var sourceHeight = 50;
+var smoothingEnabled = false;
+var destCanvas = document.getElementById('dest');
+var sourceCanvas = document.createElement('canvas');
+sourceCanvas.width = sourceWidth;
+sourceCanvas.height = sourceHeight;
+
+var sourceCtx = sourceCanvas.getContext('2d');
+sourceCtx.fillStyle = "#00FFFF";
+sourceCtx.fillRect(0, 0, sourceWidth, sourceHeight);
+sourceCtx.fillStyle = "#000000";
+sourceCtx.fillRect(5,5,40,40);
+
+var destCtx = destCanvas.getContext('2d');
+destCtx.fillStyle = "#FF0000";
+destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+destCtx.imageSmoothingEnabled = smoothingEnabled;
+
+// The source rectangle overflows the source image
+// The source area is clipped to fit the source image
+// and the destination are is clipped in the same proportion
+destCtx.drawImage(sourceCanvas, 25, 25, 50, 50, 0, 0, 50, 50);
+
+</script>
+</body>
+</html> \ No newline at end of file
diff --git a/tests/ref/2dcontext/drawimage_8_ref.html b/tests/ref/2dcontext/drawimage_8_ref.html
new file mode 100644
index 00000000000..652bf6eb994
--- /dev/null
+++ b/tests/ref/2dcontext/drawimage_8_ref.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style>
+ html, body {
+ margin: 0;
+ }
+</style>
+<body>
+<canvas id="dest" height="100" width="100"></canvas>
+<script type="text/javascript">
+
+var destCanvas = document.getElementById('dest');
+var destCtx = destCanvas.getContext('2d');
+destCtx.fillStyle = "#FF0000";
+destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+destCtx.fillStyle = "#00FFFF";
+destCtx.fillRect(0, 0, 25, 25);
+destCtx.fillStyle = "#000000";
+destCtx.fillRect(0, 0, 20, 20);
+
+</script>
+</body>
+</html> \ No newline at end of file
diff --git a/tests/ref/2dcontext/drawimage_9.html b/tests/ref/2dcontext/drawimage_9.html
new file mode 100644
index 00000000000..510f9c923c2
--- /dev/null
+++ b/tests/ref/2dcontext/drawimage_9.html
@@ -0,0 +1,48 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style>
+ html, body {
+ margin: 0;
+ }
+</style>
+<body>
+<canvas id="dest" height="100" width="100"></canvas>
+<script>
+
+var sourceWidth = 50;
+var sourceHeight = 50;
+var smoothingEnabled = false;
+var destCanvas = document.getElementById('dest');
+var sourceCanvas = document.createElement('canvas');
+sourceCanvas.width = sourceWidth;
+sourceCanvas.height = sourceHeight;
+
+var sourceCtx = sourceCanvas.getContext('2d');
+sourceCtx.fillStyle = "#00FFFF";
+sourceCtx.fillRect(0, 0, sourceWidth, sourceHeight);
+sourceCtx.fillStyle = "#000000";
+sourceCtx.fillRect(5,5,40,40);
+
+var destCtx = destCanvas.getContext('2d');
+destCtx.fillStyle = "#FF0000";
+destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+destCtx.imageSmoothingEnabled = smoothingEnabled;
+
+// The destination rectangle has negative width and height
+// An exception is raised and nothing is drawn
+try {
+ destCtx.drawImage(sourceCanvas, 25, 50, 50, 0, 0, -100, -100);
+ // It makes the test fail if the exception is not thrown
+ destCtx.fillStyle = "#0000FF";
+ destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+}
+catch(err) {
+ console.err("Exception Thrown");
+}
+
+</script>
+</body>
+</html>
diff --git a/tests/ref/2dcontext/drawimage_9_ref.html b/tests/ref/2dcontext/drawimage_9_ref.html
new file mode 100644
index 00000000000..b9be7e514f1
--- /dev/null
+++ b/tests/ref/2dcontext/drawimage_9_ref.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <meta charset="utf-8">
+</head>
+<style>
+ html, body {
+ margin: 0;
+ }
+</style>
+<body>
+<canvas id="dest" height="100" width="100"></canvas>
+<script type="text/javascript">
+
+var destCanvas = document.getElementById('dest');
+var destCtx = destCanvas.getContext('2d');
+destCtx.fillStyle = "#FF0000";
+destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
+
+</script>
+</body>
+</html> \ No newline at end of file
diff --git a/tests/ref/canvas_lineto_a.html b/tests/ref/2dcontext/lineto_a.html
index aa54ae333bf..aa54ae333bf 100644
--- a/tests/ref/canvas_lineto_a.html
+++ b/tests/ref/2dcontext/lineto_a.html
diff --git a/tests/ref/canvas_lineto_ref.html b/tests/ref/2dcontext/lineto_ref.html
index e6dd3333e32..e6dd3333e32 100644
--- a/tests/ref/canvas_lineto_ref.html
+++ b/tests/ref/2dcontext/lineto_ref.html
diff --git a/tests/ref/canvas_transform_a.html b/tests/ref/2dcontext/transform_a.html
index cc958361124..cc958361124 100644
--- a/tests/ref/canvas_transform_a.html
+++ b/tests/ref/2dcontext/transform_a.html
diff --git a/tests/ref/canvas_transform_ref.html b/tests/ref/2dcontext/transform_ref.html
index 2c0898134f4..2c0898134f4 100644
--- a/tests/ref/canvas_transform_ref.html
+++ b/tests/ref/2dcontext/transform_ref.html
diff --git a/tests/ref/basic.list b/tests/ref/basic.list
index d4f0bde917a..3d322ac5d8c 100644
--- a/tests/ref/basic.list
+++ b/tests/ref/basic.list
@@ -9,6 +9,21 @@
# Should be == with expected failure:
fragment=top != ../html/acid2.html acid2_ref.html
+== 2dcontext/drawimage_1.html 2dcontext/drawimage_1_ref.html
+== 2dcontext/drawimage_10.html 2dcontext/drawimage_10_ref.html
+== 2dcontext/drawimage_11.html 2dcontext/drawimage_11_ref.html
+== 2dcontext/drawimage_12.html 2dcontext/drawimage_12_ref.html
+== 2dcontext/drawimage_2.html 2dcontext/drawimage_2_ref.html
+== 2dcontext/drawimage_3.html 2dcontext/drawimage_3_ref.html
+== 2dcontext/drawimage_4.html 2dcontext/drawimage_4_ref.html
+== 2dcontext/drawimage_5.html 2dcontext/drawimage_5_ref.html
+== 2dcontext/drawimage_6.html 2dcontext/drawimage_6_ref.html
+== 2dcontext/drawimage_7.html 2dcontext/drawimage_7_ref.html
+== 2dcontext/drawimage_8.html 2dcontext/drawimage_8_ref.html
+== 2dcontext/drawimage_9.html 2dcontext/drawimage_9_ref.html
+== 2dcontext/lineto_a.html 2dcontext/lineto_ref.html
+== 2dcontext/transform_a.html 2dcontext/transform_ref.html
+
== abs_float_pref_width_a.html abs_float_pref_width_ref.html
== acid1_a.html acid1_b.html
== acid2_noscroll.html acid2_ref_broken.html
@@ -65,10 +80,6 @@ flaky_cpu == append_style_a.html append_style_b.html
== box_sizing_sanity_check_a.html box_sizing_sanity_check_ref.html
== br.html br-ref.html
== canvas_as_block_element_a.html canvas_as_block_element_ref.html
-== canvas_linear_gradient_a.html canvas_linear_gradient_ref.html
-== canvas_lineto_a.html canvas_lineto_ref.html
-== canvas_radial_gradient_a.html canvas_radial_gradient_ref.html
-== canvas_transform_a.html canvas_transform_ref.html
== case-insensitive-font-family.html case-insensitive-font-family-ref.html
== clear_generated_content_table_a.html clear_generated_content_table_ref.html
== clip_a.html clip_ref.html
diff --git a/tests/wpt/metadata/2dcontext/drawing-images-to-the-canvas/2d.drawImage.canvas.html.ini b/tests/wpt/metadata/2dcontext/drawing-images-to-the-canvas/2d.drawImage.canvas.html.ini
deleted file mode 100644
index 50084ff0b01..00000000000
--- a/tests/wpt/metadata/2dcontext/drawing-images-to-the-canvas/2d.drawImage.canvas.html.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[2d.drawImage.canvas.html]
- type: testharness
- [Canvas test: 2d.drawImage.canvas]
- expected: FAIL
-
diff --git a/tests/wpt/metadata/2dcontext/drawing-images-to-the-canvas/2d.drawImage.null.html.ini b/tests/wpt/metadata/2dcontext/drawing-images-to-the-canvas/2d.drawImage.null.html.ini
new file mode 100644
index 00000000000..82a420e5a71
--- /dev/null
+++ b/tests/wpt/metadata/2dcontext/drawing-images-to-the-canvas/2d.drawImage.null.html.ini
@@ -0,0 +1,5 @@
+[2d.drawImage.null.html]
+ type: testharness
+ [Canvas test: 2d.drawImage.null]
+ expected: FAIL
+
diff --git a/tests/wpt/metadata/2dcontext/drawing-images-to-the-canvas/2d.drawImage.self.1.html.ini b/tests/wpt/metadata/2dcontext/drawing-images-to-the-canvas/2d.drawImage.self.1.html.ini
deleted file mode 100644
index f1466e20fe5..00000000000
--- a/tests/wpt/metadata/2dcontext/drawing-images-to-the-canvas/2d.drawImage.self.1.html.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[2d.drawImage.self.1.html]
- type: testharness
- [Canvas test: 2d.drawImage.self.1]
- expected: FAIL
-
diff --git a/tests/wpt/metadata/2dcontext/drawing-images-to-the-canvas/2d.drawImage.self.2.html.ini b/tests/wpt/metadata/2dcontext/drawing-images-to-the-canvas/2d.drawImage.self.2.html.ini
deleted file mode 100644
index a7e3656486d..00000000000
--- a/tests/wpt/metadata/2dcontext/drawing-images-to-the-canvas/2d.drawImage.self.2.html.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[2d.drawImage.self.2.html]
- type: testharness
- [Canvas test: 2d.drawImage.self.2]
- expected: FAIL
-
diff --git a/tests/wpt/metadata/2dcontext/drawing-images-to-the-canvas/2d.drawImage.wrongtype.html.ini b/tests/wpt/metadata/2dcontext/drawing-images-to-the-canvas/2d.drawImage.wrongtype.html.ini
new file mode 100644
index 00000000000..703d0a05082
--- /dev/null
+++ b/tests/wpt/metadata/2dcontext/drawing-images-to-the-canvas/2d.drawImage.wrongtype.html.ini
@@ -0,0 +1,5 @@
+[2d.drawImage.wrongtype.html]
+ type: testharness
+ [Incorrect image types in drawImage do not match any defined overloads, so WebIDL throws a TypeError]
+ expected: FAIL
+
diff --git a/tests/wpt/metadata/2dcontext/image-smoothing/imagesmoothing.html.ini b/tests/wpt/metadata/2dcontext/image-smoothing/imagesmoothing.html.ini
deleted file mode 100644
index 0aa58081d2f..00000000000
--- a/tests/wpt/metadata/2dcontext/image-smoothing/imagesmoothing.html.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[imagesmoothing.html]
- type: testharness
- [When the CanvasRenderingContext2D object is created, the attribute must be set to true.]
- expected: FAIL
-
diff --git a/tests/wpt/metadata/html/dom/interfaces.html.ini b/tests/wpt/metadata/html/dom/interfaces.html.ini
index a269b210e2f..6036b185dce 100644
--- a/tests/wpt/metadata/html/dom/interfaces.html.ini
+++ b/tests/wpt/metadata/html/dom/interfaces.html.ini
@@ -6975,9 +6975,6 @@
[CanvasRenderingContext2D interface: attribute globalCompositeOperation]
expected: FAIL
- [CanvasRenderingContext2D interface: attribute imageSmoothingEnabled]
- expected: FAIL
-
[CanvasRenderingContext2D interface: operation createPattern(CanvasImageSource,DOMString)]
expected: FAIL
@@ -7056,9 +7053,6 @@
[CanvasRenderingContext2D interface: operation drawImage(CanvasImageSource,unrestricted double,unrestricted double,unrestricted double,unrestricted double)]
expected: FAIL
- [CanvasRenderingContext2D interface: operation drawImage(CanvasImageSource,unrestricted double,unrestricted double,unrestricted double,unrestricted double,unrestricted double,unrestricted double,unrestricted double,unrestricted double)]
- expected: FAIL
-
[CanvasRenderingContext2D interface: operation addHitRegion(HitRegionOptions)]
expected: FAIL
@@ -7152,9 +7146,6 @@
[CanvasRenderingContext2D interface: document.createElement("canvas").getContext("2d") must inherit property "globalCompositeOperation" with the proper type (14)]
expected: FAIL
- [CanvasRenderingContext2D interface: document.createElement("canvas").getContext("2d") must inherit property "imageSmoothingEnabled" with the proper type (15)]
- expected: FAIL
-
[CanvasRenderingContext2D interface: document.createElement("canvas").getContext("2d") must inherit property "strokeStyle" with the proper type (16)]
expected: FAIL
@@ -7281,21 +7272,9 @@
[CanvasRenderingContext2D interface: calling measureText(DOMString) on document.createElement("canvas").getContext("2d") with too few arguments must throw TypeError]
expected: FAIL
- [CanvasRenderingContext2D interface: document.createElement("canvas").getContext("2d") must inherit property "drawImage" with the proper type (49)]
- expected: FAIL
-
- [CanvasRenderingContext2D interface: calling drawImage(CanvasImageSource,unrestricted double,unrestricted double) on document.createElement("canvas").getContext("2d") with too few arguments must throw TypeError]
- expected: FAIL
-
- [CanvasRenderingContext2D interface: document.createElement("canvas").getContext("2d") must inherit property "drawImage" with the proper type (50)]
- expected: FAIL
-
[CanvasRenderingContext2D interface: calling drawImage(CanvasImageSource,unrestricted double,unrestricted double,unrestricted double,unrestricted double) on document.createElement("canvas").getContext("2d") with too few arguments must throw TypeError]
expected: FAIL
- [CanvasRenderingContext2D interface: document.createElement("canvas").getContext("2d") must inherit property "drawImage" with the proper type (51)]
- expected: FAIL
-
[CanvasRenderingContext2D interface: calling drawImage(CanvasImageSource,unrestricted double,unrestricted double,unrestricted double,unrestricted double,unrestricted double,unrestricted double,unrestricted double,unrestricted double) on document.createElement("canvas").getContext("2d") with too few arguments must throw TypeError]
expected: FAIL