| // This file is part of libigl, a simple c++ geometry processing library. | |
| // | |
| // Copyright (C) 2013 Alec Jacobson <alecjacobson@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/. | |
| IGL_INLINE bool igl::png::render_to_png( | |
| const std::string png_file, | |
| const int width, | |
| const int height, | |
| const bool alpha, | |
| const bool fast) | |
| { | |
| unsigned char * data = new unsigned char[4*width*height]; | |
| glReadPixels( | |
| 0, | |
| 0, | |
| width, | |
| height, | |
| GL_RGBA, | |
| GL_UNSIGNED_BYTE, | |
| data); | |
| //img->flip(); | |
| if(!alpha) | |
| { | |
| for(int i = 0;i<width;i++) | |
| for(int j = 0;j<height;j++) | |
| { | |
| data[4*(i+j*width)+3] = 255; | |
| } | |
| } | |
| bool ret = stbi_write_png(png_file.c_str(), width, height, 4, data, 4*width*sizeof(unsigned char)); | |
| delete [] data; | |
| return ret; | |
| } | |
| // Explicit template instantiation | |