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	 116cf92156
			
		
	
	
		116cf92156
		
	
	
	
	
		
			
			This fits nicer with FloatRect,FloatPoint,FloatSize and gives a much better visual clue about what type of metric is being used.
		
			
				
	
	
		
			86 lines
		
	
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			86 lines
		
	
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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|  * 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 are met:
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|  *
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|  * 1. Redistributions of source code must retain the above copyright notice, this
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|  *    list of conditions and the following disclaimer.
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|  *
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|  * 2. Redistributions in binary form must reproduce the above copyright notice,
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|  *    this list of conditions and the following disclaimer in the documentation
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|  *    and/or other materials provided with the distribution.
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|  *
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|  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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|  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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|  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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|  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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|  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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|  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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|  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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|  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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|  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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|  */
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| 
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| #include <LibGfx/Bitmap.h>
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| #include <LibJS/Runtime/Uint8ClampedArray.h>
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| #include <LibWeb/DOM/ImageData.h>
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| 
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| namespace Web {
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| 
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| RefPtr<ImageData> ImageData::create_with_size(JS::GlobalObject& global_object, int width, int height)
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| {
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|     if (width <= 0 || height <= 0)
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|         return nullptr;
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| 
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|     if (width > 16384 || height > 16384)
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|         return nullptr;
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| 
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| 
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|     dbg() << "Creating ImageData with " << width << "x" << height;
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| 
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|     auto* data = JS::Uint8ClampedArray::create(global_object, width * height * 4);
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|     if (!data)
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|         return nullptr;
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| 
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|     auto data_handle = JS::make_handle(data);
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| 
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|     auto bitmap = Gfx::Bitmap::create_wrapper(Gfx::BitmapFormat::RGBA32, Gfx::IntSize(width, height), width * sizeof(u32), (u32*)data->data());
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|     if (!bitmap)
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|         return nullptr;
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|     return adopt(*new ImageData(bitmap.release_nonnull(), move(data_handle)));
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| }
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| 
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| ImageData::ImageData(NonnullRefPtr<Gfx::Bitmap> bitmap, JS::Handle<JS::Uint8ClampedArray> data)
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|     : m_bitmap(move(bitmap))
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|     , m_data(move(data))
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| {
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| }
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| 
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| ImageData::~ImageData()
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| {
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| }
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| 
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| int ImageData::width() const
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| {
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|     return m_bitmap->width();
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| }
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| 
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| int ImageData::height() const
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| {
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|     return m_bitmap->height();
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| }
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| 
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| JS::Uint8ClampedArray* ImageData::data()
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| {
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|     return m_data.cell();
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| }
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| 
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| const JS::Uint8ClampedArray* ImageData::data() const
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| {
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|     return m_data.cell();
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| }
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| 
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| }
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