179 lines
3.8 KiB
C++
179 lines
3.8 KiB
C++
#include <iostream>
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using namespace std;
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template <class A, class B> class pippo {
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public:
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int a() { return 1; }
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};
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template <> class pippo<int, int> {
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public:
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int a() { return 2; }
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};
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int main() {
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pippo<int, int> p;
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cerr << p.a() << endl;
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return 0;
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}
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/*
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#include<windows.h>
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#include <SDL/SDL.h>
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#include <GL/gl.h>
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#include <GL/glu.h>
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#include <GL/glut.h>
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#include <wrap/gui/trackball.h>
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using namespace vcg;
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bool fullscreen = false;
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//int width =1024;
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//int height = 768;
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int width = 800;
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int height = 600;
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SDL_Surface *screen = NULL;
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bool init() {
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if(SDL_Init(SDL_INIT_VIDEO) != 0) {
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return false;
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}
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const SDL_VideoInfo *info = SDL_GetVideoInfo();
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int bpp = info->vfmt->BitsPerPixel;
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SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
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SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
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int flags = SDL_OPENGL;
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if(fullscreen)
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flags |= SDL_FULLSCREEN;
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screen = SDL_SetVideoMode(width, height, bpp, flags);
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if(!screen) {
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return false;
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}
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SDL_WM_SetIcon(SDL_LoadBMP("inspector.bmp"), NULL);
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SDL_WM_SetCaption(" Inspector", "Inspector");
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glDisable(GL_DITHER);
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glShadeModel(GL_SMOOTH);
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glHint( GL_FOG_HINT, GL_NICEST );
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glEnable(GL_DEPTH_TEST);
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glDepthFunc( GL_LEQUAL );
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glDisable(GL_LIGHTING);
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return true;
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}
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int wmain(int argc, unsigned short **argv) {
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if(!init()) return -1;
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Trackball trackball;
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int quit = 0;
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int x, y;
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SDL_Event event;
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while( !quit ) {
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while( SDL_PollEvent( &event ) ){
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switch( event.type ) {
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case SDL_QUIT: quit = 1; break;
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case SDL_KEYDOWN:
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switch(event.key.keysym.sym) {
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case SDLK_RSHIFT:
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case SDLK_LSHIFT:
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trackball.ButtonDown(Trackball::KEY_SHIFT);
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break;
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case SDLK_RCTRL:
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case SDLK_LCTRL:
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trackball.ButtonDown(Trackball::KEY_CTRL);
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break;
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case SDLK_RALT:
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case SDLK_LALT:
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trackball.ButtonDown(Trackball::KEY_ALT);
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break;
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}
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break;
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case SDL_KEYUP:
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switch(event.key.keysym.sym) {
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case SDLK_q: exit(0); break;
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case SDLK_RSHIFT:
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case SDLK_LSHIFT:
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trackball.ButtonUp(Trackball::KEY_SHIFT);
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break;
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case SDLK_RCTRL:
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case SDLK_LCTRL:
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trackball.ButtonUp(Trackball::KEY_CTRL);
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break;
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case SDLK_RALT:
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case SDLK_LALT:
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trackball.ButtonUp(Trackball::KEY_ALT);
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break;
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}
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break;
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case SDL_MOUSEBUTTONDOWN:
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x = event.button.x;
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y = event.button.y;
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trackball.MouseDown(x, y, Trackball::BUTTON_LEFT);
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break;
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case SDL_MOUSEBUTTONUP:
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x = event.button.x;
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y = event.button.y;
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trackball.MouseUp(x, y, Trackball::BUTTON_LEFT);
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break;
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case SDL_MOUSEMOTION:
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while(SDL_PeepEvents(&event, 1, SDL_GETEVENT, SDL_MOUSEMOTIONMASK));
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x = event.motion.x;
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y = event.motion.y;
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trackball.MouseMove(x, y);
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break;
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}
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}
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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gluPerspective(60, 1, 0.1, 100);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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gluLookAt(0,0,4, 0,0,0, 0,1,0);
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glRotatef(130, 1, 1, 0);
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glTranslatef(0, 0.7, 1);
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trackball.SetPosition(Similarityf(Point3f(1, 0, 0)));
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trackball.local.sca = 0.5;
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trackball.GetView();
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trackball.Apply();
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trackball.Draw();
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glColor3f(0, 1, 0);
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glutWireCube(1);
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SDL_GL_SwapBuffers();
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}
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// Clean up
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SDL_Quit();
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return -1;
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}
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*/ |