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90 lines
3.0 KiB
90 lines
3.0 KiB
/**************************************************************************** |
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* VCGLib o o * |
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* Visual and Computer Graphics Library o o * |
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* _ O _ * |
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* Copyright(C) 2004-2016 \/)\/ * |
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* Visual Computing Lab /\/| * |
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* ISTI - Italian National Research Council | * |
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* \ * |
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* All rights reserved. * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This program is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) * |
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* for more details. * |
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* * |
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****************************************************************************/ |
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/**************************************************************************** |
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History |
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$Log: not supported by cvs2svn $ |
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****************************************************************************/ |
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#ifndef __VCG_SIMPLE_PIC |
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#define __VCG_SIMPLE_PIC |
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#include <vcg/math/matrix44.h> |
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namespace vcg { |
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template <class PixType> |
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class SimplePic |
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{public: |
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std::vector<PixType> img; |
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int sx,sy; |
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void Create(int tx,int ty) |
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{ |
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sx=tx;sy=ty; |
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img.resize(sx*sy); |
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} |
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PixType &Pix(int x, int y) {return img[sx*y+x];} |
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void OpenGLSnap(GLenum format=0) |
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{ |
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int vp[4]; |
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glGetIntegerv( GL_VIEWPORT,vp ); // Lettura viewport |
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glPixelStorei( GL_PACK_ROW_LENGTH, 0); |
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glPixelStorei( GL_PACK_ALIGNMENT, 1); |
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int tx = vp[2]; |
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int ty = vp[3]; |
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Create(tx,ty); |
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GLenum mtype = 0; |
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if(format==0) { |
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format = GL_RGBA; |
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mtype = GL_UNSIGNED_BYTE; |
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} |
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if(format==GL_DEPTH_COMPONENT) { |
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format = GL_DEPTH_COMPONENT; |
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mtype = GL_FLOAT; |
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} |
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glReadPixels(vp[0],vp[1],vp[2],vp[3],format,mtype,(GLvoid *)&img[0]); |
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} |
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bool SavePPM( const char * filename ) |
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{ |
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FILE * fp = fopen(filename,"wb"); |
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if(fp==0) return false; |
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fprintf(fp,"P6\n%d %d\n255\n",sx,sy); |
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for(int i=0;i<sx*sy;++i) |
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{ |
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fwrite(&(img[i]),3,1,fp); |
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} |
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fclose(fp); |
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return true; |
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} |
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}; |
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} |
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#endif // __VCG_MESH_VISIBILITY
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