e0f32626bc
The previous names (RGBA32 and RGB32) were misleading since that's not the actual byte order in memory. The new names reflect exactly how the color values get laid out in bitmap data.
85 lines
2.7 KiB
C++
85 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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#include <LibGfx/Bitmap.h>
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#include <LibJS/Runtime/Uint8ClampedArray.h>
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#include <LibWeb/HTML/ImageData.h>
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namespace Web::HTML {
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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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if (width > 16384 || height > 16384)
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return nullptr;
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dbgln("Creating ImageData with {}x{}", width, height);
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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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auto data_handle = JS::make_handle(data);
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auto bitmap = Gfx::Bitmap::create_wrapper(Gfx::BitmapFormat::BGRA8888, Gfx::IntSize(width, height), 1, 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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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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ImageData::~ImageData()
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{
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}
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unsigned ImageData::width() const
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{
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return m_bitmap->width();
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}
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unsigned ImageData::height() const
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{
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return m_bitmap->height();
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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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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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