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https://github.com/RGBCube/serenity
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34c5043cbe
This allows us to retain perfect precision for aspect ratios derived from either the intrinsic sizes of replaced elements, or the `aspect-ratio` CSS property.
55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
/*
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* Copyright (c) 2023, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibGfx/Bitmap.h>
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#include <LibWeb/HTML/AnimatedBitmapDecodedImageData.h>
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namespace Web::HTML {
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ErrorOr<NonnullRefPtr<AnimatedBitmapDecodedImageData>> AnimatedBitmapDecodedImageData::create(Vector<Frame>&& frames, size_t loop_count, bool animated)
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{
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return adopt_nonnull_ref_or_enomem(new (nothrow) AnimatedBitmapDecodedImageData(move(frames), loop_count, animated));
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}
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AnimatedBitmapDecodedImageData::AnimatedBitmapDecodedImageData(Vector<Frame>&& frames, size_t loop_count, bool animated)
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: m_frames(move(frames))
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, m_loop_count(loop_count)
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, m_animated(animated)
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{
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}
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AnimatedBitmapDecodedImageData::~AnimatedBitmapDecodedImageData() = default;
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RefPtr<Gfx::Bitmap const> AnimatedBitmapDecodedImageData::bitmap(size_t frame_index, Gfx::IntSize) const
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{
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if (frame_index >= m_frames.size())
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return nullptr;
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return m_frames[frame_index].bitmap;
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}
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int AnimatedBitmapDecodedImageData::frame_duration(size_t frame_index) const
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{
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if (frame_index >= m_frames.size())
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return 0;
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return m_frames[frame_index].duration;
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}
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Optional<CSSPixels> AnimatedBitmapDecodedImageData::intrinsic_width() const
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{
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return m_frames.first().bitmap->width();
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}
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Optional<CSSPixels> AnimatedBitmapDecodedImageData::intrinsic_height() const
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{
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return m_frames.first().bitmap->height();
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}
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Optional<CSSPixelFraction> AnimatedBitmapDecodedImageData::intrinsic_aspect_ratio() const
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{
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return CSSPixels(m_frames.first().bitmap->width()) / CSSPixels(m_frames.first().bitmap->height());
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}
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}
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