66 lines
2.4 KiB
Plaintext
66 lines
2.4 KiB
Plaintext
/*
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* Copyright (C) 2017 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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typedef (
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#if defined(ENABLE_WEBGL) && ENABLE_WEBGL
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WebGLRenderingContext or
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#endif
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#if defined(ENABLE_WEBGL2) && ENABLE_WEBGL2
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WebGL2RenderingContext or
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#endif
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OffscreenCanvasRenderingContext2D) OffscreenRenderingContext;
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dictionary ImageEncodeOptions
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{
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DOMString type = "image/png";
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unrestricted double quality = 1.0;
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};
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enum OffscreenRenderingContextType
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{
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"2d",
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"webgl",
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"webgl2"
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};
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[
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GenerateIsReachable=Impl,
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EnabledAtRuntime=OffscreenCanvas,
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Conditional=OFFSCREEN_CANVAS,
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ConditionalForWorker=OFFSCREEN_CANVAS_IN_WORKERS,
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EnabledForContext,
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Exposed=(Window,Worker)
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] interface OffscreenCanvas : EventTarget {
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[CallWith=ScriptExecutionContext] constructor([EnforceRange] unsigned long width, [EnforceRange] unsigned long height);
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attribute [EnforceRange] unsigned long width;
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attribute [EnforceRange] unsigned long height;
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[CallWith=GlobalObject] OffscreenRenderingContext? getContext(OffscreenRenderingContextType contextType, any... arguments);
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ImageBitmap transferToImageBitmap();
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Promise<Blob> convertToBlob(optional ImageEncodeOptions options);
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};
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