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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <LibGfx/Bitmap.h>
#include <LibJS/Runtime/Uint8ClampedArray.h>
#include <LibWeb/DOM/ImageData.h>
namespace Web {
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;
dbg() << "Creating ImageData with " << width << "x" << 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::RGBA32, Gfx::IntSize(width, height), width * sizeof(u32), (u32*)data->data());
if (!bitmap)
return nullptr;
return adopt(*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();
}
}
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