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https://github.com/RGBCube/serenity
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ImageDecoder+LibImageDecoder+LibWeb: Support animations in ImageDecoder
The ImageDecoder service now returns a list of image frames, each with a duration value. The code for in-process image decoding is removed from LibWeb, an all image decode requests are sent out-of-process to ImageDecoder. :^) This won't scale super well to very long and/or large animations, but we can work on improving that separately. The main goal here is simply to stop doing any image decoding inside LibWeb. Fixes #5165.
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449d56ef74
commit
7449c1b27f
10 changed files with 143 additions and 73 deletions
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@ -80,15 +80,10 @@ void ImageLoader::resource_did_load()
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}
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}
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if (resource()->should_decode_in_process()) {
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auto& decoder = resource()->ensure_decoder();
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if (decoder.is_animated() && decoder.frame_count() > 1) {
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const auto& first_frame = decoder.frame(0);
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m_timer->set_interval(first_frame.duration);
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m_timer->on_timeout = [this] { animate(); };
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m_timer->start();
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}
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if (resource()->is_animated() && resource()->frame_count() > 1) {
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m_timer->set_interval(resource()->frame_duration(0));
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m_timer->on_timeout = [this] { animate(); };
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m_timer->start();
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}
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if (on_load)
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@ -100,18 +95,16 @@ void ImageLoader::animate()
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if (!m_visible_in_viewport)
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return;
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auto& decoder = resource()->ensure_decoder();
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m_current_frame_index = (m_current_frame_index + 1) % resource()->frame_count();
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auto current_frame_duration = resource()->frame_duration(m_current_frame_index);
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m_current_frame_index = (m_current_frame_index + 1) % decoder.frame_count();
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const auto& current_frame = decoder.frame(m_current_frame_index);
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if (current_frame.duration != m_timer->interval()) {
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m_timer->restart(current_frame.duration);
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if (current_frame_duration != m_timer->interval()) {
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m_timer->restart(current_frame_duration);
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}
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if (m_current_frame_index == decoder.frame_count() - 1) {
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if (m_current_frame_index == resource()->frame_count() - 1) {
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++m_loops_completed;
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if (m_loops_completed > 0 && m_loops_completed == decoder.loop_count()) {
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if (m_loops_completed > 0 && m_loops_completed == resource()->loop_count()) {
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m_timer->stop();
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}
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}
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@ -132,34 +125,28 @@ bool ImageLoader::has_image() const
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{
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if (!resource())
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return false;
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if (resource()->should_decode_in_process())
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return const_cast<ImageResource*>(resource())->ensure_decoder().bitmap();
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return true;
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return bitmap(0);
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}
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unsigned ImageLoader::width() const
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{
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if (!resource())
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return 0;
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if (resource()->should_decode_in_process())
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return const_cast<ImageResource*>(resource())->ensure_decoder().width();
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return bitmap() ? bitmap()->width() : 0;
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return bitmap(0) ? bitmap(0)->width() : 0;
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}
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unsigned ImageLoader::height() const
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{
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if (!resource())
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return 0;
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if (resource()->should_decode_in_process())
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return const_cast<ImageResource*>(resource())->ensure_decoder().height();
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return bitmap() ? bitmap()->height() : 0;
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return bitmap(0) ? bitmap(0)->height() : 0;
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}
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const Gfx::Bitmap* ImageLoader::bitmap() const
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const Gfx::Bitmap* ImageLoader::bitmap(size_t frame_index) const
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{
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if (!resource())
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return nullptr;
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return resource()->bitmap(m_current_frame_index);
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return resource()->bitmap(frame_index);
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}
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}
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