Roll 50: Copied IDLs, PYTHON scripts from WebKit removed deleted files in WebCore

modules/canvas2d/CanvasRenderingContext2D.idl

 /*
  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#canvasrenderingcontext2d
 
-// FIXME: float => double throughout
 typedef (HTMLImageElement or
          HTMLVideoElement or
          HTMLCanvasElement or
          // CanvasRenderingContext2D or
          ImageBitmap) CanvasImageSource;
 
 enum CanvasFillRule { "nonzero", "evenodd" };
+enum ImageSmoothingQuality {"low", "medium", "high"};
 
 [
     SetWrapperReferenceFrom=canvas,
-    TypeChecking=Interface,
     WillBeGarbageCollected,
 ] interface CanvasRenderingContext2D {
     // back-reference to the canvas
     readonly attribute HTMLCanvasElement canvas;
 
     // state
     void save(); // push state on state stack
     void restore(); // pop state stack and restore state
 
     // transformations (default transform is the identity matrix)
     [RuntimeEnabled=ExperimentalCanvasFeatures] attribute SVGMatrix currentTransform;
-    void scale(unrestricted float x, unrestricted float y);
-    void rotate(unrestricted float angle);
-    void translate(unrestricted float x, unrestricted float y);
-    void transform(unrestricted float a, unrestricted float b, unrestricted float c, unrestricted float d, unrestricted float e, unrestricted float f);
-    void setTransform(unrestricted float a, unrestricted float b, unrestricted float c, unrestricted float d, unrestricted float e, unrestricted float f);
+    void scale(unrestricted double x, unrestricted double y);
+    void rotate(unrestricted double angle);
+    void translate(unrestricted double x, unrestricted double y);
+    void transform(unrestricted double a, unrestricted double b, unrestricted double c, unrestricted double d, unrestricted double e, unrestricted double f);
+    void setTransform(unrestricted double a, unrestricted double b, unrestricted double c, unrestricted double d, unrestricted double e, unrestricted double f);
     void resetTransform();
 
     // compositing
-    attribute unrestricted float globalAlpha; // (default 1.0)
-    [TreatNullAs=NullString] attribute DOMString globalCompositeOperation; // (default source-over)
-    [RuntimeEnabled=ExperimentalCanvasFeatures] attribute DOMString filter; // (default 'none') 
+    attribute unrestricted double globalAlpha; // (default 1.0)
+    attribute DOMString globalCompositeOperation; // (default source-over)
+    [RuntimeEnabled=ExperimentalCanvasFeatures] attribute DOMString filter; // (default 'none')
 
     // image smoothing
     [ImplementedAs=imageSmoothingEnabled, DeprecateAs=PrefixedImageSmoothingEnabled] attribute boolean webkitImageSmoothingEnabled;
-    [MeasureAs=UnprefixedImageSmoothingEnabled] attribute boolean imageSmoothingEnabled;
+    [MeasureAs=UnprefixedImageSmoothingEnabled] attribute boolean imageSmoothingEnabled; // (default True)
+    [RuntimeEnabled=ExperimentalCanvasFeatures] attribute ImageSmoothingQuality imageSmoothingQuality; // (default "low")
 
     // colors and styles (see also the CanvasDrawingStyles interface)
     attribute (DOMString or CanvasGradient or CanvasPattern) strokeStyle; // (default black)
     attribute (DOMString or CanvasGradient or CanvasPattern) fillStyle; // (default black)
-    CanvasGradient createLinearGradient(float x0, float y0, float x1, float y1);
-    [RaisesException] CanvasGradient createRadialGradient(float x0, float y0, float r0, float x1, float y1, float r1);
-    [RaisesException] CanvasPattern createPattern(CanvasImageSource image, DOMString? repetitionType);
+    CanvasGradient createLinearGradient(double x0, double y0, double x1, double y1);
+    [RaisesException] CanvasGradient createRadialGradient(double x0, double y0, double r0, double x1, double y1, double r1);
+    [RaisesException] CanvasPattern? createPattern(CanvasImageSource image, [TreatNullAs=NullString] DOMString repetitionType);
 
     // shadows
-    attribute unrestricted float shadowOffsetX;
-    attribute unrestricted float shadowOffsetY;
-    attribute unrestricted float shadowBlur;
-    [TreatNullAs=NullString] attribute DOMString shadowColor;
+    attribute unrestricted double shadowOffsetX;
+    attribute unrestricted double shadowOffsetY;
+    attribute unrestricted double shadowBlur;
+    attribute DOMString shadowColor;
 
     // rects
-    void clearRect(unrestricted float x, unrestricted float y, unrestricted float width, unrestricted float height);
-    void fillRect(unrestricted float x, unrestricted float y, unrestricted float width, unrestricted float height);
-    void strokeRect(unrestricted float x, unrestricted float y, unrestricted float width, unrestricted float height);
+    void clearRect(unrestricted double x, unrestricted double y, unrestricted double width, unrestricted double height);
+    void fillRect(unrestricted double x, unrestricted double y, unrestricted double width, unrestricted double height);
+    void strokeRect(unrestricted double x, unrestricted double y, unrestricted double width, unrestricted double height);
 
     // path API (see also CanvasPathMethods)
     void beginPath();
     void fill(optional CanvasFillRule winding);
     void fill(Path2D path, optional CanvasFillRule winding);
     void stroke();
     void stroke(Path2D path);
     // Focus rings
     void drawFocusIfNeeded(Element element);
     void drawFocusIfNeeded(Path2D path, Element element);
 
     [RuntimeEnabled=ExperimentalCanvasFeatures] void scrollPathIntoView(optional Path2D path);
     void clip(optional CanvasFillRule winding);
     void clip(Path2D path, optional CanvasFillRule winding);
-    boolean isPointInPath(unrestricted float x, unrestricted float y, optional CanvasFillRule winding);
-    boolean isPointInPath(Path2D path, unrestricted float x, unrestricted float y, optional CanvasFillRule winding);
-    boolean isPointInStroke(unrestricted float x, unrestricted float y);
-    boolean isPointInStroke(Path2D path, unrestricted float x, unrestricted float y);
+    boolean isPointInPath(unrestricted double x, unrestricted double y, optional CanvasFillRule winding);
+    boolean isPointInPath(Path2D path, unrestricted double x, unrestricted double y, optional CanvasFillRule winding);
+    boolean isPointInStroke(unrestricted double x, unrestricted double y);
+    boolean isPointInStroke(Path2D path, unrestricted double x, unrestricted double y);
 
     // text (see also the CanvasDrawingStyles interface)
-    void fillText(DOMString text, unrestricted float x, unrestricted float y, optional unrestricted float maxWidth);
-    void strokeText(DOMString text, unrestricted float x, unrestricted float y, optional unrestricted float maxWidth);
+    void fillText(DOMString text, unrestricted double x, unrestricted double y, optional unrestricted double maxWidth);
+    void strokeText(DOMString text, unrestricted double x, unrestricted double y, optional unrestricted double maxWidth);
     TextMetrics measureText(DOMString text);
 
     // drawing images
-    [RaisesException] void drawImage(CanvasImageSource image, unrestricted float x, unrestricted float y);
-    [RaisesException] void drawImage(CanvasImageSource image, unrestricted float x, unrestricted float y, unrestricted float width, unrestricted float height);
-    [RaisesException] void drawImage(CanvasImageSource image, unrestricted float sx, unrestricted float sy, unrestricted float sw, unrestricted float sh, unrestricted float dx, unrestricted float dy, unrestricted float dw, unrestricted float dh);
+    [RaisesException] void drawImage(CanvasImageSource image, unrestricted double x, unrestricted double y);
+    [RaisesException] void drawImage(CanvasImageSource image, unrestricted double x, unrestricted double y, unrestricted double width, unrestricted double height);
+    [RaisesException] 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
     [RuntimeEnabled=ExperimentalCanvasFeatures, RaisesException] void addHitRegion(optional HitRegionOptions options);
     [RuntimeEnabled=ExperimentalCanvasFeatures] void removeHitRegion(DOMString id);
     [RuntimeEnabled=ExperimentalCanvasFeatures] void clearHitRegions();
 
     // pixel manipulation
     ImageData createImageData(ImageData imagedata);
-    [RaisesException] ImageData createImageData(float sw, float sh);
-    [RaisesException] ImageData getImageData(float sx, float sy, float sw, float sh);
-    void putImageData(ImageData imagedata, float dx, float dy);
-    void putImageData(ImageData imagedata, float dx, float dy, float dirtyX, float dirtyY, float dirtyWidth, float dirtyHeight);
+    [RaisesException] ImageData createImageData(double sw, double sh);
+    [RaisesException] ImageData getImageData(double sx, double sy, double sw, double sh);
+    [RaisesException] void putImageData(ImageData imagedata, double dx, double dy);
+    [RaisesException] void putImageData(ImageData imagedata, double dx, double dy, double dirtyX, double dirtyY, double dirtyWidth, double dirtyHeight);
 
     // Context state
     // Should be merged with WebGL counterpart in CanvasRenderingContext, once no-longer experimental
     [RuntimeEnabled=ExperimentalCanvasFeatures] boolean isContextLost();
 
     Canvas2DContextAttributes getContextAttributes();
 
     // FIXME: factor out to CanvasDrawingStyles
     // line caps/joins
-    attribute unrestricted float lineWidth; // (default 1)
-    [TreatNullAs=NullString] attribute DOMString lineCap; // "butt", "round", "square" (default "butt")
-    [TreatNullAs=NullString] attribute DOMString lineJoin; // "round", "bevel", "miter" (default "miter")
-    attribute unrestricted float miterLimit; // (default 10)
+    attribute unrestricted double lineWidth; // (default 1)
+    attribute DOMString lineCap; // "butt", "round", "square" (default "butt")
+    attribute DOMString lineJoin; // "round", "bevel", "miter" (default "miter")
+    attribute unrestricted double miterLimit; // (default 10)
 
     // dashed lines
-    void setLineDash(sequence<unrestricted float> dash);
-    sequence<unrestricted float> getLineDash();
-    attribute unrestricted float lineDashOffset;
+    void setLineDash(sequence<unrestricted double> dash);
+    sequence<unrestricted double> getLineDash();
+    attribute unrestricted double lineDashOffset;
 
     // text
     attribute DOMString font; // (default 10px sans-serif)
     attribute DOMString textAlign; // "start", "end", "left", "right", "center" (default: "start")
     attribute DOMString textBaseline; // "top", "hanging", "middle", "alphabetic", "ideographic", "bottom" (default: "alphabetic")
     [RuntimeEnabled=ExperimentalCanvasFeatures] attribute DOMString direction; // "inherit", "rtl", "ltr" (default: "inherit")
 
 };
 
 CanvasRenderingContext2D implements CanvasPathMethods;