/*M/////////////////////////////////////////////////////////////////////////////////////// // // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. // // By downloading, copying, installing or using the software you agree to this license. // If you do not agree to this license, do not download, install, // copy or use the software. // // // License Agreement // For Open Source Computer Vision Library // // Copyright (C) 2000-2008, Intel Corporation, all rights reserved. // Copyright (C) 2009, Willow Garage Inc., all rights reserved. // Third party copyrights are property of their respective owners. // // Redistribution and use in source and binary forms, with or without modification, // are permitted provided that the following conditions are met: // // * Redistribution's of source code must retain the above copyright notice, // this list of conditions and the following disclaimer. // // * Redistribution's 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. // // * The name of the copyright holders may not be used to endorse or promote products // derived from this software without specific prior written permission. // // 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 Intel Corporation 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. // //M*/ #include "precomp.hpp" #if !defined HAVE_CUDA || defined(CUDA_DISABLER) void cv::cuda::resize(InputArray, OutputArray, Size, double, double, int, Stream&) { throw_no_cuda(); } #else // HAVE_CUDA namespace cv { namespace cuda { namespace device { template <typename T> void resize(const PtrStepSzb& src, const PtrStepSzb& srcWhole, int yoff, int xoff, const PtrStepSzb& dst, float fy, float fx, int interpolation, cudaStream_t stream); }}} void cv::cuda::resize(InputArray _src, OutputArray _dst, Size dsize, double fx, double fy, int interpolation, Stream& stream) { GpuMat src = _src.getGpuMat(); typedef void (*func_t)(const PtrStepSzb& src, const PtrStepSzb& srcWhole, int yoff, int xoff, const PtrStepSzb& dst, float fy, float fx, int interpolation, cudaStream_t stream); static const func_t funcs[6][4] = { {device::resize<uchar> , 0 /*device::resize<uchar2>*/ , device::resize<uchar3> , device::resize<uchar4> }, {0 /*device::resize<schar>*/, 0 /*device::resize<char2>*/ , 0 /*device::resize<char3>*/, 0 /*device::resize<char4>*/}, {device::resize<ushort> , 0 /*device::resize<ushort2>*/, device::resize<ushort3> , device::resize<ushort4> }, {device::resize<short> , 0 /*device::resize<short2>*/ , device::resize<short3> , device::resize<short4> }, {0 /*device::resize<int>*/ , 0 /*device::resize<int2>*/ , 0 /*device::resize<int3>*/ , 0 /*device::resize<int4>*/ }, {device::resize<float> , 0 /*device::resize<float2>*/ , device::resize<float3> , device::resize<float4> } }; CV_Assert( src.depth() <= CV_32F && src.channels() <= 4 ); CV_Assert( interpolation == INTER_NEAREST || interpolation == INTER_LINEAR || interpolation == INTER_CUBIC || interpolation == INTER_AREA ); CV_Assert( !(dsize == Size()) || (fx > 0 && fy > 0) ); if (dsize == Size()) { dsize = Size(saturate_cast<int>(src.cols * fx), saturate_cast<int>(src.rows * fy)); } else { fx = static_cast<double>(dsize.width) / src.cols; fy = static_cast<double>(dsize.height) / src.rows; } _dst.create(dsize, src.type()); GpuMat dst = _dst.getGpuMat(); if (dsize == src.size()) { src.copyTo(dst, stream); return; } const func_t func = funcs[src.depth()][src.channels() - 1]; if (!func) CV_Error(Error::StsUnsupportedFormat, "Unsupported combination of source and destination types"); Size wholeSize; Point ofs; src.locateROI(wholeSize, ofs); PtrStepSzb wholeSrc(wholeSize.height, wholeSize.width, src.datastart, src.step); func(src, wholeSrc, ofs.y, ofs.x, dst, static_cast<float>(1.0 / fy), static_cast<float>(1.0 / fx), interpolation, StreamAccessor::getStream(stream)); } #endif // HAVE_CUDA