wave-glut/lib/opengl-effects/test/test.cpp

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00001 /*
00002  * test.cpp
00003  *
00004  * Copyright (C) 2010  Thomas A. Vaughan
00005  * All rights reserved.
00006  *
00007  * Program to test the opengl-effects library.
00008  */
00009 
00010 // includes --------------------------------------------------------------------
00011 #include <iostream>
00012 #include <fstream>
00013 
00014 #include "glut/texture.h"
00015 #include "glut-demo/glut-demo.h"
00016 #include "opengl-effects/opengl-effects.h"
00017 #include "perf/perf.h"
00018 
00019 
00020 
00021 ////////////////////////////////////////////////////////////////////////////////
00022 //
00023 //      static helper methods
00024 //
00025 ////////////////////////////////////////////////////////////////////////////////
00026 
00027 class Drawer : public glut::DemoHost {
00028 public:
00029         Drawer(IN int size) throw() : m_size(size), m_textureId(0) { }
00030         ~Drawer(void) throw() { }
00031 
00032         // glut::Host class interface methods ----------------------------------
00033         void onInit(void) {
00034                         // create density map
00035                         media::image_t img;
00036                         img_color_t color(255, 0, 255);
00037                         glut::createSphericalDensityMap(m_size, color, img);
00038                         img.dump("test image == spherical density map");
00039 
00040                         // create texture
00041                         m_textureId = glut::createTextureFromImage(img);
00042                         DPRINTF("Texture ID: %d", m_textureId);
00043                 }
00044 
00045         void display3D(IN const glut::render_context_t& rc,
00046                                 IN glut::RenderQueue * rq) {
00047                         ASSERT(rq, "null");
00048                         // first, render a standard sphere at the origin
00049                         glutSolidSphere(1.0, 16, 16);
00050 
00051                         // set up
00052                         float normal[3] = { 0, 0, 1 };
00053                         glEnable(GL_TEXTURE_2D);
00054                         glBindTexture(GL_TEXTURE_2D, m_textureId);
00055                         glNormal3fv(normal);
00056 
00057                         // draw simple quad at z=-2
00058                         glBegin(GL_POLYGON);
00059 
00060                         glTexCoord2f(0, 0);
00061                         glVertex3f(-1, -1, -2);
00062 
00063                         glTexCoord2f(0, 1);
00064                         glVertex3f(-1, +1, -2);
00065 
00066                         glTexCoord2f(1, 1);
00067                         glVertex3f(+1, +1, -2);
00068 
00069                         glTexCoord2f(1, 0);
00070                         glVertex3f(+1, -1, -2);
00071 
00072                         glEnd();
00073 
00074                         // clean up
00075                         glDisable(GL_TEXTURE_2D);
00076                 }
00077 
00078 private:
00079         int             m_size;
00080         int             m_textureId;
00081 };
00082 
00083 
00084 
00085 ////////////////////////////////////////////////////////////////////////////////
00086 //
00087 //      entry point
00088 //
00089 ////////////////////////////////////////////////////////////////////////////////
00090 
00091 int
00092 main
00093 (
00094 IN int argc,
00095 IN const char * argv[]
00096 )
00097 {
00098         ASSERT(2 == argc, "Usage: opengl-effects-test <size>\n");
00099         int size = atoi(argv[1]);
00100         ASSERT(size > 0, "Bad size: %d", size);
00101 
00102         try {
00103                 // title
00104                 std::string title = "OpenGL Effects Test";
00105 
00106                 // main loop
00107                 smart_ptr<glut::DemoHost> host = new Drawer(size);
00108                 ASSERT(host, "out of memory");
00109                 glut::startDemo(argc, argv, title.c_str(), host);
00110 
00111         } catch (std::exception& e) {
00112                 DPRINTF("Exception: %s", e.what());
00113         }
00114 
00115         // only reach here on error
00116         return -1;
00117 }
00118