ladybird/Userland/Libraries/LibWeb/HTML/ImageData.cpp
Ali Mohammad Pur 6af596d9e8 LibJS+LibWeb: Make Uint8ClampedArray use TypedArray
Instead of being its own separate unrelated class.
This automatically makes typed array properties available to it,
as well as making it available to the runtime.
2021-05-26 15:34:13 +04:30

65 lines
1.4 KiB
C++

/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGfx/Bitmap.h>
#include <LibJS/Runtime/TypedArray.h>
#include <LibWeb/HTML/ImageData.h>
namespace Web::HTML {
RefPtr<ImageData> ImageData::create_with_size(JS::GlobalObject& global_object, int width, int height)
{
if (width <= 0 || height <= 0)
return nullptr;
if (width > 16384 || height > 16384)
return nullptr;
dbgln("Creating ImageData with {}x{}", width, height);
auto* data = JS::Uint8ClampedArray::create(global_object, width * height * 4);
if (!data)
return nullptr;
auto data_handle = JS::make_handle(data);
auto bitmap = Gfx::Bitmap::create_wrapper(Gfx::BitmapFormat::RGBA8888, Gfx::IntSize(width, height), 1, width * sizeof(u32), data->data().data());
if (!bitmap)
return nullptr;
return adopt_ref(*new ImageData(bitmap.release_nonnull(), move(data_handle)));
}
ImageData::ImageData(NonnullRefPtr<Gfx::Bitmap> bitmap, JS::Handle<JS::Uint8ClampedArray> data)
: m_bitmap(move(bitmap))
, m_data(move(data))
{
}
ImageData::~ImageData()
{
}
unsigned ImageData::width() const
{
return m_bitmap->width();
}
unsigned ImageData::height() const
{
return m_bitmap->height();
}
JS::Uint8ClampedArray* ImageData::data()
{
return m_data.cell();
}
const JS::Uint8ClampedArray* ImageData::data() const
{
return m_data.cell();
}
}