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/*
* 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)
{
auto& realm = *global_object.associated_realm();
if (width <= 0 || height <= 0)
return nullptr;
if (width > 16384 || height > 16384)
return nullptr;
auto data_or_error = JS::Uint8ClampedArray::create(realm, width * height * 4);
if (data_or_error.is_error())
return nullptr;
auto* data = data_or_error.release_value();
auto data_handle = JS::make_handle(data);
auto bitmap_or_error = Gfx::Bitmap::try_create_wrapper(Gfx::BitmapFormat::RGBA8888, Gfx::IntSize(width, height), 1, width * sizeof(u32), data->data().data());
if (bitmap_or_error.is_error())
return nullptr;
return adopt_ref(*new ImageData(bitmap_or_error.release_value(), move(data_handle)));
}
ImageData::ImageData(NonnullRefPtr<Gfx::Bitmap> bitmap, JS::Handle<JS::Uint8ClampedArray> data)
: m_bitmap(move(bitmap))
, m_data(move(data))
{
}
ImageData::~ImageData() = default;
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();
}
}
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