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LibWeb: Make DecodedImageData an abstract class

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The existing implementation moves down into a new subclass called
AnimatedBitmapDecodedImageData.

The purpose of this change is to create an extension point where we can
plug in an SVG renderer. :^)
This commit is contained in:
Andreas Kling 2023-05-20 16:11:36 +02:00
parent f7185dfa91
commit 4ee1e5b224
6 changed files with 108 additions and 61 deletions
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37
Userland/Libraries/LibWeb/HTML/DecodedImageData.cpp
View file

@ -4,47 +4,12 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGfx/Bitmap.h>
#include <LibWeb/HTML/DecodedImageData.h>
namespace Web::HTML {
ErrorOr<NonnullRefPtr<DecodedImageData>> DecodedImageData::create(Vector<Frame>&& frames, size_t loop_count, bool animated)
{
return adopt_nonnull_ref_or_enomem(new (nothrow) DecodedImageData(move(frames), loop_count, animated));
}
DecodedImageData::DecodedImageData(Vector<Frame>&& frames, size_t loop_count, bool animated)
: m_frames(move(frames))
, m_loop_count(loop_count)
, m_animated(animated)
{
}
DecodedImageData::DecodedImageData() = default;
DecodedImageData::~DecodedImageData() = default;
RefPtr<Gfx::Bitmap const> DecodedImageData::bitmap(size_t frame_index) const
{
if (frame_index >= m_frames.size())
return nullptr;
return m_frames[frame_index].bitmap;
}
int DecodedImageData::frame_duration(size_t frame_index) const
{
if (frame_index >= m_frames.size())
return 0;
return m_frames[frame_index].duration;
}
Optional<int> DecodedImageData::natural_width() const
{
return m_frames.first().bitmap->width();
}
Optional<int> DecodedImageData::natural_height() const
{
return m_frames.first().bitmap->height();
}
}