CSC/ECE 517 Fall 2017/M1753 OffscreenCanvas - Revision history

Wzhang43: /* Step 8:Support offscreen webgl contexts in the 2d context */

2017-12-12T18:13:29Z

Step 8:Support offscreen webgl contexts in the 2d context

← Older revision		Revision as of 18:13, 12 December 2017
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	===Step 8:Support offscreen webgl contexts in the 2d context===		===Step 8:Support offscreen webgl contexts in the 2d context===
	support offscreen webgl contexts in a similar fashion to the 2d context, by sharing relevant code between OffscreenCanvasRenderingContext2d and WebGLRenderingContext.		support offscreen webgl contexts in a similar fashion to the 2d context, by sharing relevant code between OffscreenCanvasRenderingContext2d and WebGLRenderingContext.

			#[inline]
			fn request_image_from_cache(&self, url: ServoUrl) -> ImageResponse {
			self.base.request_image_from_cache(url)
			}
			pub fn origin_is_clean(&self) -> bool {
			self.base.origin_is_clean()
			}

	== '''Testing Details''' ==		== '''Testing Details''' ==

2017-12-12T18:06:29Z

Step 5: Implement the getContext() method for OffscreenCanvas element

← Older revision		Revision as of 18:06, 12 December 2017
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	===Step 5: Implement the getContext() method for OffscreenCanvas element ===		===Step 5: Implement the getContext() method for OffscreenCanvas element ===
	Implement the ''OffscreenCanvas.getContext'' ignoring the WebGL requirements:		Implement the ''OffscreenCanvas.getContext'' ignoring the WebGL requirements:
	~~canvas.getContext(contextType, contextAttributes);~~

	#[allow(unsafe_code)]		#[allow(unsafe_code)]

2017-12-12T18:06:16Z

Step 4: Implement OffscreenCanvas Constructor

← Older revision		Revision as of 18:06, 12 December 2017
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	===Step 4: Implement OffscreenCanvas Constructor===		===Step 4: Implement OffscreenCanvas Constructor===
	Create a new OffscreenCanvas by implementing the following Syntax:		Create a new OffscreenCanvas by implementing the following Syntax:
	~~var offscreen = new OffscreenCanvas(256, 256);~~

	pub fn Constructor(		pub fn Constructor(

2017-12-12T17:50:45Z

Step 6: Extract all relevant canvas operations from CanvasRenderingContext2d

← Older revision		Revision as of 17:50, 12 December 2017
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	===Step 6: Extract all relevant canvas operations from CanvasRenderingContext2d===		===Step 6: Extract all relevant canvas operations from CanvasRenderingContext2d===
	Extract all relevant canvas operations from CanvasRenderingContext2d into an implementation shared with OffscreenCanvasRenderingContext2d. Create a trait that abstracts away any operation that currently uses self.canvas in the 2d canvas rendering context, since the offscreen canvas rendering context has no associated <canvas> element		Extract all relevant canvas operations from CanvasRenderingContext2d into an implementation shared with OffscreenCanvasRenderingContext2d. Create a trait that abstracts away any operation that currently uses self.canvas in the 2d canvas rendering context, since the offscreen canvas rendering context has no associated <canvas> element
	~~[[File:step6.png]]~~
			/// Trait to get dimensions of off-screen element
			pub trait OffscreenCanvasRendering {
			//get width of offscreen-canvas element
			fn width(&self) -> u64{
			}

			// Get the height of the offscreen-canvas element
			fn Height(&self) -> u64{
			}
			}

	===Step 7: Implement the convertToBlob API===		===Step 7: Implement the convertToBlob API===

2017-12-12T17:47:23Z

Step 5: Implement the getContext() method for OffscreenCanvas element

@@ Line 104: / Line 104: @@
 Implement the ''OffscreenCanvas.getContext'' ignoring the WebGL requirements:
    canvas.getContext(contextType, contextAttributes);
-[[File:getContext.png]]
 ===Step 6: Extract all relevant canvas operations from CanvasRenderingContext2d===

2017-12-12T17:46:02Z

Step 4: Implement OffscreenCanvas Constructor

@@ Line 88: / Line 88: @@
 Create a new OffscreenCanvas by implementing the following Syntax:
   var offscreen = new OffscreenCanvas(256, 256);
 ===Step 5: Implement the getContext() method for OffscreenCanvas element ===

2017-12-12T17:41:24Z

Step 4: Implement OffscreenCanvas Constructor

← Older revision		Revision as of 17:41, 12 December 2017
Line 88:		Line 88:
	Create a new OffscreenCanvas by implementing the following Syntax:		Create a new OffscreenCanvas by implementing the following Syntax:
	var offscreen = new OffscreenCanvas(256, 256);		var offscreen = new OffscreenCanvas(256, 256);

	~~[[File:step4.png]]~~

	===Step 5: Implement the getContext() method for OffscreenCanvas element ===		===Step 5: Implement the getContext() method for OffscreenCanvas element ===

2017-12-12T17:32:18Z

Step 6: Extract all relevant canvas operations from CanvasRenderingContext2d

← Older revision		Revision as of 17:32, 12 December 2017
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	===Step 6: Extract all relevant canvas operations from CanvasRenderingContext2d===		===Step 6: Extract all relevant canvas operations from CanvasRenderingContext2d===
	Extract all relevant canvas operations from CanvasRenderingContext2d into an implementation shared with OffscreenCanvasRenderingContext2d. Create a trait that abstracts away any operation that currently uses self.canvas in the 2d canvas rendering context, since the offscreen canvas rendering context has no associated <canvas> element		Extract all relevant canvas operations from CanvasRenderingContext2d into an implementation shared with OffscreenCanvasRenderingContext2d. Create a trait that abstracts away any operation that currently uses self.canvas in the 2d canvas rendering context, since the offscreen canvas rendering context has no associated <canvas> element
			[[File:step6.png]]

	===Step 7: Implement the convertToBlob API===		===Step 7: Implement the convertToBlob API===

2017-12-12T17:31:59Z

Step 5: Implement the getContext() method for OffscreenCanvas element

← Older revision		Revision as of 17:31, 12 December 2017
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	Implement the ''OffscreenCanvas.getContext'' ignoring the WebGL requirements:		Implement the ''OffscreenCanvas.getContext'' ignoring the WebGL requirements:
	canvas.getContext(contextType, contextAttributes);		canvas.getContext(contextType, contextAttributes);
			[[File:getContext.png]]

	===Step 6: Extract all relevant canvas operations from CanvasRenderingContext2d===		===Step 6: Extract all relevant canvas operations from CanvasRenderingContext2d===

2017-12-12T17:31:28Z

Step 4: Implement OffscreenCanvas Constructor

← Older revision		Revision as of 17:31, 12 December 2017
Line 88:		Line 88:
	Create a new OffscreenCanvas by implementing the following Syntax:		Create a new OffscreenCanvas by implementing the following Syntax:
	var offscreen = new OffscreenCanvas(256, 256);		var offscreen = new OffscreenCanvas(256, 256);

			[[File:step4.png]]

	===Step 5: Implement the getContext() method for OffscreenCanvas element ===		===Step 5: Implement the getContext() method for OffscreenCanvas element ===