RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-02 19:12:13 +00:00
Code Issues Activity Actions

Ladybird: Implement the Web::Platform::ImageCodecPlugin interface

Browse source 
...and move it to separate files while we're at it.
This commit is contained in:
Andreas Kling 2022-09-16 15:15:14 +02:00 • committed by Andrew Kaster
parent 4334929323
commit ef757f33da
4 changed files with 105 additions and 77 deletions
Download patch file Download diff file Expand all files Collapse all files

80
Ladybird/ImageCodecPluginLadybird.cpp Normal file
View file

@ -0,0 +1,80 @@
/*
* Copyright (c) 2022, Dex♪ <dexes.ttp@gmail.com>
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#define AK_DONT_REPLACE_STD
#include "ImageCodecPluginLadybird.h"
#include <LibGfx/Bitmap.h>
#include <LibGfx/ImageDecoder.h>
#include <QImage>
namespace Ladybird {
ImageCodecPluginLadybird::~ImageCodecPluginLadybird() = default;
static Optional<Web::Platform::DecodedImage> decode_image_with_qt(ReadonlyBytes data)
{
auto image = QImage::fromData(data.data(), static_cast<int>(data.size()));
if (image.isNull())
return {};
image = image.convertToFormat(QImage::Format::Format_ARGB32);
auto bitmap = MUST(Gfx::Bitmap::try_create(Gfx::BitmapFormat::BGRA8888, Gfx::IntSize(image.width(), image.height())));
for (int y = 0; y < image.height(); ++y) {
memcpy(bitmap->scanline_u8(y), image.scanLine(y), image.width() * 4);
}
Vector<Web::Platform::Frame> frames;
frames.append(Web::Platform::Frame {
bitmap,
});
return Web::Platform::DecodedImage {
false,
0,
move(frames),
};
}
static Optional<Web::Platform::DecodedImage> decode_image_with_libgfx(ReadonlyBytes data)
{
auto decoder = Gfx::ImageDecoder::try_create(data);
if (!decoder || !decoder->frame_count()) {
return {};
}
bool had_errors = false;
Vector<Web::Platform::Frame> frames;
for (size_t i = 0; i < decoder->frame_count(); ++i) {
auto frame_or_error = decoder->frame(i);
if (frame_or_error.is_error()) {
frames.append({ {}, 0 });
had_errors = true;
} else {
auto frame = frame_or_error.release_value();
frames.append({ move(frame.image), static_cast<size_t>(frame.duration) });
}
}
if (had_errors)
return {};
return Web::Platform::DecodedImage {
decoder->is_animated(),
static_cast<u32>(decoder->loop_count()),
move(frames),
};
}
Optional<Web::Platform::DecodedImage> ImageCodecPluginLadybird::decode_image(ReadonlyBytes data)
{
auto image = decode_image_with_libgfx(data);
if (image.has_value())
return image;
return decode_image_with_qt(data);
}
}