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/*
* Copyright (c) 2020-2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGfx/Bitmap.h>
#include <LibJS/Runtime/TypedArray.h>
#include <LibWeb/Bindings/ImageDataPrototype.h>
#include <LibWeb/HTML/ImageData.h>
#include <LibWeb/HTML/Window.h>
namespace Web::HTML {
JS::GCPtr<ImageData> ImageData::create_with_size(HTML::Window& window, int width, int height)
{
auto& realm = window.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 = JS::NonnullGCPtr<JS::Uint8ClampedArray>(*data_or_error.release_value());
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 realm.heap().allocate<ImageData>(realm, window, bitmap_or_error.release_value(), move(data));
}
ImageData::ImageData(HTML::Window& window, NonnullRefPtr<Gfx::Bitmap> bitmap, JS::NonnullGCPtr<JS::Uint8ClampedArray> data)
: PlatformObject(window.realm())
, m_bitmap(move(bitmap))
, m_data(move(data))
{
set_prototype(&window.ensure_web_prototype<Bindings::ImageDataPrototype>("ImageData"));
}
ImageData::~ImageData() = default;
void ImageData::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_data.ptr());
}
unsigned ImageData::width() const
{
return m_bitmap->width();
}
unsigned ImageData::height() const
{
return m_bitmap->height();
}
JS::Uint8ClampedArray* ImageData::data()
{
return m_data;
}
const JS::Uint8ClampedArray* ImageData::data() const
{
return m_data;
}
}
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