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LibWeb: Add ImageData objects and implement 2D context putImageData()

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An ImageData is a wrapper around a Bitmap wrapper around a
JS::Uint8ClampedArray.
This commit is contained in:
Andreas Kling 2020-04-21 23:49:51 +02:00
parent 54133c683d
commit 2d4c91df8e
10 changed files with 359 additions and 0 deletions
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55
Libraries/LibWeb/Bindings/ImageDataWrapper.h Normal file
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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER 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.
*/
#pragma once
#include <LibWeb/Bindings/Wrapper.h>
namespace Web {
namespace Bindings {
class ImageDataWrapper : public Wrapper {
public:
explicit ImageDataWrapper(ImageData&);
virtual ~ImageDataWrapper() override;
ImageData& impl() { return m_impl; }
const ImageData& impl() const { return m_impl; }
private:
virtual const char* class_name() const override { return "ImageDataWrapper"; }
static JS::Value width_getter(JS::Interpreter&);
static JS::Value height_getter(JS::Interpreter&);
static JS::Value data_getter(JS::Interpreter&);
NonnullRefPtr<ImageData> m_impl;
};
ImageDataWrapper* wrap(JS::Heap&, ImageData&);
}
}