55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
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// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2014 Alec Jacobson <alecjacobson@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#ifndef IGL_PNG_TEXTURE_FROM_PNG_H
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#define IGL_PNG_TEXTURE_FROM_PNG_H
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#include "../igl_inline.h"
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#include <Eigen/Core>
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#include <string>
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#include "../opengl/gl.h"
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namespace igl
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{
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namespace png
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{
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// Read an image from a .png file and use it as a texture
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//
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// Input:
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// png_file path to .png file
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// flip whether to flip the image vertically (A --> ∀)
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// Output:
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// id of generated openGL texture
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// Returns true on success, false on failure
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IGL_INLINE bool texture_from_png(const std::string png_file, const bool flip, GLuint & id);
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IGL_INLINE bool texture_from_png(const std::string png_file, GLuint & id);
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// Read an image from a .png file and use it as a texture
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//
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// Input:
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// png_file path to .png file
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// Output:
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// R,G,B,A texture channels
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// Returns true on success, false on failure
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//
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// Todo: this is an inappropriate function name. This is really just
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// reading a png.... Not necessarily as a texture.
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IGL_INLINE bool texture_from_png(const std::string png_file,
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Eigen::Matrix<unsigned char,Eigen::Dynamic,Eigen::Dynamic>& R,
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Eigen::Matrix<unsigned char,Eigen::Dynamic,Eigen::Dynamic>& G,
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Eigen::Matrix<unsigned char,Eigen::Dynamic,Eigen::Dynamic>& B,
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Eigen::Matrix<unsigned char,Eigen::Dynamic,Eigen::Dynamic>& A
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);
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}
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "texture_from_png.cpp"
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#endif
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#endif
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