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https://github.com/LadybirdBrowser/ladybird
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f8640d813a
DecodedImageFrame only wraps a ref-counted Bitmap and color-space metadata. The frame object itself does not provide shared mutable state or lifetime ownership beyond those members, so ref-counting it adds an unnecessary layer of indirection.
81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
/*
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* Copyright (c) 2023, Andreas Kling <andreas@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibGC/Heap.h>
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#include <LibGfx/Bitmap.h>
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#include <LibJS/Runtime/ExternalMemory.h>
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#include <LibJS/Runtime/Realm.h>
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#include <LibWeb/HTML/BitmapDecodedImageData.h>
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#include <LibWeb/Painting/DisplayListRecorder.h>
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#include <LibWeb/Painting/DisplayListRecordingContext.h>
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namespace Web::HTML {
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GC_DEFINE_ALLOCATOR(BitmapDecodedImageData);
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ErrorOr<GC::Ref<BitmapDecodedImageData>> BitmapDecodedImageData::create(JS::Realm& realm, Vector<Frame>&& frames, size_t loop_count, bool animated)
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{
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return realm.create<BitmapDecodedImageData>(move(frames), loop_count, animated);
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}
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BitmapDecodedImageData::BitmapDecodedImageData(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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BitmapDecodedImageData::~BitmapDecodedImageData() = default;
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size_t BitmapDecodedImageData::external_memory_size() const
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{
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size_t size = JS::vector_external_memory_size(m_frames);
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for (auto const& frame : m_frames)
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size = JS::saturating_add_external_memory_size(size, frame.frame.bitmap().data_size());
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return size;
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}
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Optional<Gfx::DecodedImageFrame> BitmapDecodedImageData::frame(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 {};
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return m_frames[frame_index].frame;
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}
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int BitmapDecodedImageData::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> BitmapDecodedImageData::intrinsic_width() const
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{
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return m_frames.first().frame.width();
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}
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Optional<CSSPixels> BitmapDecodedImageData::intrinsic_height() const
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{
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return m_frames.first().frame.height();
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}
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Optional<CSSPixelFraction> BitmapDecodedImageData::intrinsic_aspect_ratio() const
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{
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return CSSPixels(m_frames.first().frame.width()) / CSSPixels(m_frames.first().frame.height());
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}
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Optional<Gfx::IntRect> BitmapDecodedImageData::frame_rect(size_t frame_index) const
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{
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return m_frames[frame_index].frame.rect();
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}
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void BitmapDecodedImageData::paint(DisplayListRecordingContext& context, size_t frame_index, Gfx::IntRect dst_rect, Gfx::IntRect clip_rect, Gfx::ScalingMode scaling_mode) const
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{
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context.display_list_recorder().draw_scaled_decoded_image_frame(dst_rect, clip_rect, m_frames[frame_index].frame, scaling_mode);
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}
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}
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