vn-verdnaturachat/ios/Pods/boost-for-react-native/boost/compute/interop/qt/qimage.hpp

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2.2 KiB
C++

//---------------------------------------------------------------------------//
// Copyright (c) 2013-2014 Kyle Lutz <kyle.r.lutz@gmail.com>
//
// Distributed under the Boost Software License, Version 1.0
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
// See http://boostorg.github.com/compute for more information.
//---------------------------------------------------------------------------//
#ifndef BOOST_COMPUTE_INTEROP_QT_QIMAGE_HPP
#define BOOST_COMPUTE_INTEROP_QT_QIMAGE_HPP
#include <boost/throw_exception.hpp>
#include <boost/compute/command_queue.hpp>
#include <boost/compute/exception/opencl_error.hpp>
#include <boost/compute/image/image2d.hpp>
#include <boost/compute/image/image_format.hpp>
#include <boost/compute/utility/dim.hpp>
#include <QImage>
namespace boost {
namespace compute {
inline image_format qt_qimage_format_to_image_format(const QImage::Format &format)
{
if(format == QImage::Format_RGB32){
return image_format(image_format::bgra, image_format::unorm_int8);
}
BOOST_THROW_EXCEPTION(opencl_error(CL_IMAGE_FORMAT_NOT_SUPPORTED));
}
inline QImage::Format qt_image_format_to_qimage_format(const image_format &format)
{
if(format == image_format(image_format::bgra, image_format::unorm_int8)){
return QImage::Format_RGB32;
}
return QImage::Format_Invalid;
}
inline image_format qt_qimage_get_format(const QImage &image)
{
return qt_qimage_format_to_image_format(image.format());
}
inline void qt_copy_qimage_to_image2d(const QImage &qimage,
image2d &image,
command_queue &queue)
{
queue.enqueue_write_image(image, image.origin(), image.size(), qimage.constBits());
}
inline void qt_copy_image2d_to_qimage(const image2d &image,
QImage &qimage,
command_queue &queue)
{
queue.enqueue_read_image(
image, dim(0, 0), dim(qimage.width(), qimage.height()), qimage.bits()
);
}
} // end compute namespace
} // end boost namespace
#endif // BOOST_COMPUTE_INTEROP_QT_QIMAGE_HPP