dust3d/third_party/libigl/include/igl/png/readPNG.h

40 lines
1.1 KiB
C++

// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2016 Daniele Panozzo <daniele.panozzo@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla Public License
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
// obtain one at http://mozilla.org/MPL/2.0/.
#ifndef IGL_PNG_READ_PNG_H
#define IGL_PNG_READ_PNG_H
#include "../igl_inline.h"
#include <Eigen/Core>
#include <string>
namespace igl
{
namespace png
{
// Read an image from a .png file into 4 memory buffers
//
// Input:
// png_file path to .png file
// Output:
// R,G,B,A texture channels
// Returns true on success, false on failure
//
IGL_INLINE bool readPNG(const std::string png_file,
Eigen::Matrix<unsigned char,Eigen::Dynamic,Eigen::Dynamic>& R,
Eigen::Matrix<unsigned char,Eigen::Dynamic,Eigen::Dynamic>& G,
Eigen::Matrix<unsigned char,Eigen::Dynamic,Eigen::Dynamic>& B,
Eigen::Matrix<unsigned char,Eigen::Dynamic,Eigen::Dynamic>& A
);
}
}
#ifndef IGL_STATIC_LIBRARY
# include "readPNG.cpp"
#endif
#endif