void key(unsigned char key, int , int) { switch ( key ) { case 27: exit(0); case 'a': UChar8 imgdata[32]; for ( int i = 0; i < 32; i++ ) imgdata[i] = static_cast<UChar8>(rand()); pImage->set( Image::OSG_RGB_PF, 2, 2, 2, 1, 1, 0, imgdata ); xchunk1->imageContentChanged(); break; case 'b': { UChar8 imgdata[16]; for ( int i = 0; i < 16; i++ ) imgdata[i] = static_cast<UChar8>(rand()); pImage->set( Image::OSG_RGBA_PF, 2, 2, 1, 1, 1, 0, imgdata ); beginEditCP( xchunk1 ); xchunk1->setImage( pImage ); endEditCP( xchunk1 ); } break; case 'c': { beginEditCP( xchunk1 ); xchunk1->setMinFilter( GL_LINEAR_MIPMAP_LINEAR ); xchunk1->setMagFilter( GL_LINEAR ); endEditCP( xchunk1 ); } break; case 'd': { beginEditCP( xchunk1 ); xchunk1->setMinFilter( GL_NEAREST ); xchunk1->setMagFilter( GL_NEAREST ); endEditCP( xchunk1 ); } break; case 'e': { UChar8 imgdata[16]; for ( int i = 0; i < 16; i++ ) imgdata[i] = static_cast<UChar8>(rand()); pImage->set( Image::OSG_RGBA_PF, 2, 2, 1, 1, 1, 0, imgdata ); xchunk1->imageContentChanged(1,1,1,1); } break; case 'f': { UChar8 imgdata[16]; for ( int i = 0; i < 16; i++ ) imgdata[i] = static_cast<UChar8>(rand()); pImage->set( Image::OSG_RGBA_PF, 2, 2, 1, 1, 1, 0, imgdata ); xchunk1->imageContentChanged(0,1,0,0); } break; } }
int main( int argc, char *argv[] ) { osgInit(argc, argv); glutInit(&argc, argv); glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE); glutCreateWindow("OpenSG"); glutKeyboardFunc(key); // glutReshapeFunc(resize); glutDisplayFunc(display); // glutMouseFunc(mouse); // glutMotionFunc(motion); glutIdleFunc(display); pImage = Image::create(); // create the dummy structures // the window is needed for the chunks that access GLObjects win = GLUTWindow::create(); win->frameInit(); // test for preliminary calls not messing up GLexts win->init(); dact = DrawAction::create(); dact->setWindow(get_pointer(win)); win->init(); glMatrixMode( GL_PROJECTION ); glLoadIdentity(); gluPerspective( 60, 1, 0.1, 10 ); glMatrixMode( GL_MODELVIEW ); glLoadIdentity(); gluLookAt( 3, 3, 3, 0, 0, 0, 0, 1, 0 ); glEnable( GL_DEPTH_TEST ); glEnable( GL_LIGHTING ); glEnable( GL_LIGHT0 ); glPixelStorei( GL_UNPACK_ALIGNMENT, 1 ); dlid = glGenLists( 1 ); glNewList( dlid, GL_COMPILE ); glutSolidSphere( .8, 24, 24 ); glEndList(); dlid2 = glGenLists( 1 ); glNewList( dlid2, GL_COMPILE ); glBegin( GL_POLYGON ); glNormal3f( 0, 1, 0 ); glColor3f( 1, 1, 1 ); glTexCoord3f( 0, 0, 0 ); glVertex3f( -1.5, -1, -1.5 ); glTexCoord3f( 2, 0, 0 ); glVertex3f( 1.5, -1, -1.5 ); glTexCoord3f( 2, 2, 2 ); glVertex3f( 1.5, -1, 1.5 ); glTexCoord3f( 0, 2, 2 ); glVertex3f( -1.5, -1, 1.5 ); glEnd(); glEndList(); Matrix m; tchunk1 = TransformChunk::create(); m.setTranslate( 0, 1, 0 ); tchunk1->setMatrix( m ); tchunk2 = TransformChunk::create(); tchunk2->setMatrix( Matrix::identity() ); mchunk1 = MaterialChunk::create(); mchunk1->setDiffuse( Color4f( 1,0,0,0 ) ); mchunk1->setAmbient( Color4f( 1,0,0,0 ) ); mchunk1->setShininess( 20 ); mchunk2 = MaterialChunk::create(); mchunk2->setDiffuse( Color4f( 0,1,0,0 ) ); mchunk2->setAmbient( Color4f( 0,1,0,0 ) ); mchunk2->setShininess( 50 ); // Texture chunk // UChar8 imgdata[] = // { 255,0,0,0, 0,255,0,0, 0,0,255,255, 255,255,255,255 }; UChar8 imgdata[] = { 255,0,0, 255,0,0, 255,0,255, 255,0,0, 255,0,0, 255,0,255, 255,255,0, 255,255,0, 255,255,255, 255,255,0, 255,255,0, 255,255,255, }; // UChar8 limgdata[] = // { 0, 128, 64, 255 }; pImage->set( Image::OSG_RGB_PF, 2, 2, 1, 1, 1, 0, imgdata ); if ( argc > 1 ) pImage->read( argv[1] ); xchunk1 = TextureChunk::create(); beginEditCP(xchunk1); xchunk1->setImage( pImage ); xchunk1->setMinFilter( GL_LINEAR ); xchunk1->setMagFilter( GL_NEAREST ); xchunk1->setWrapS( GL_REPEAT ); xchunk1->setWrapT( GL_REPEAT ); xchunk1->setEnvMode( GL_REPLACE ); xchunk1->setScale( false ); endEditCP(xchunk1); xchunk1->imageContentChanged(); beginEditCP(xchunk1); xchunk1->setImage( pImage ); xchunk1->setLodBias( 10 ); endEditCP(xchunk1); UChar8 imgdata2[] = { 255,0,0, 0,255,0, 0,0,255, 255,255,255 }; ImagePtr pImage2 = Image::create(); pImage2->set(Image::OSG_RGB_PF, 2, 2, 1, 1, 1, 0, imgdata2); xchunk2 = TextureChunk::create(); beginEditCP(xchunk2); xchunk2->setImage( pImage2 ); xchunk2->setMinFilter( GL_LINEAR ); xchunk2->setMagFilter( GL_NEAREST ); xchunk2->setWrapS( GL_REPEAT ); xchunk2->setWrapT( GL_REPEAT ); xchunk2->setEnvMode( GL_MODULATE ); xchunk2->setLodBias( 10 ); endEditCP(xchunk2); // Cube Texture chunk UChar8 negz[] = { 255,0,0, 128,0,0, 64,0,0, 255,255,255 }, posz[] = { 0,255,0, 0,128,0, 0,64,0, 255,255,255 }, negy[] = { 0,0,255, 0,0,128, 0,0,64, 255,255,255 }, posy[] = { 255,255,0, 128,128,0, 64,64,0, 255,255,255 }, negx[] = { 255,0,255, 128,0,128, 64,0,64, 255,255,255 }, posx[] = { 0,255,255, 0,128,128, 0,64,64, 255,255,255 }; ImagePtr inegz = Image::create(); ImagePtr iposz = Image::create(); ImagePtr inegy = Image::create(); ImagePtr iposy = Image::create(); ImagePtr inegx = Image::create(); ImagePtr iposx = Image::create(); inegz->set( Image::OSG_RGB_PF, 2, 2, 1, 1, 1, 0, negz ); iposz->set( Image::OSG_RGB_PF, 2, 2, 1, 1, 1, 0, posz ); inegy->set( Image::OSG_RGB_PF, 2, 2, 1, 1, 1, 0, negy ); iposy->set( Image::OSG_RGB_PF, 2, 2, 1, 1, 1, 0, posy ); inegx->set( Image::OSG_RGB_PF, 2, 2, 1, 1, 1, 0, negx ); iposx->set( Image::OSG_RGB_PF, 2, 2, 1, 1, 1, 0, posx ); cchunk1 = CubeTextureChunk::create(); beginEditCP(cchunk1); cchunk1->setImage( inegz ); cchunk1->setPosZImage( iposz ); cchunk1->setPosYImage( iposy ); cchunk1->setNegYImage( inegy ); cchunk1->setPosXImage( iposx ); cchunk1->setNegXImage( inegx ); cchunk1->setMinFilter( GL_LINEAR ); cchunk1->setMagFilter( GL_NEAREST ); cchunk1->setWrapS( GL_REPEAT ); cchunk1->setWrapT( GL_REPEAT ); cchunk1->setEnvMode( GL_MODULATE ); cchunk1->setLodBias( 10 ); endEditCP(cchunk1); gchunk1 = TexGenChunk::create(); beginEditCP(gchunk1); gchunk1->setGenFuncS(GL_REFLECTION_MAP_ARB); gchunk1->setGenFuncT(GL_REFLECTION_MAP_ARB); gchunk1->setGenFuncR(GL_REFLECTION_MAP_ARB); endEditCP(gchunk1); // blend chunk blchunk = BlendChunk::create(); #ifndef WIN32 // blchunk->setSrcFactor( GL_CONSTANT_ALPHA ); // blchunk->setDestFactor( GL_ONE_MINUS_CONSTANT_ALPHA ); #endif blchunk->setColor( Color4f( 1,1,1,0.1 ) ); // texture transform chunk txchunk = TextureTransformChunk::create(); beginEditCP(txchunk); // txchunk->setMatrix( Matrix(4,0,0,0, 0,1,0,0, 0,0,1,0, 0,0,0,1) ); endEditCP(txchunk); glutMainLoop(); return 0; }
int main( int argc, char *argv[] ) { osgInit(argc, argv); glutInit(&argc, argv); glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE); glutCreateWindow("OpenSG"); glutKeyboardFunc(key); // glutReshapeFunc(resize); glutDisplayFunc(display); // glutMouseFunc(mouse); // glutMotionFunc(motion); glutIdleFunc(display); pImage = Image::create(); // create the dummy structures // the window is needed for the chunks that access GLObjects win = GLUTWindow::create(); win->frameInit(); // test for preliminary calls not messing up GLexts win->init(); dact = DrawAction::create(); dact->setWindow(get_pointer(win)); win->init(); glMatrixMode( GL_PROJECTION ); glLoadIdentity(); gluPerspective( 60, 1, 0.1, 10 ); glMatrixMode( GL_MODELVIEW ); glLoadIdentity(); gluLookAt( 3, 3, 3, 0, 0, 0, 0, 1, 0 ); glEnable( GL_DEPTH_TEST ); glEnable( GL_LIGHTING ); glEnable( GL_LIGHT0 ); glPixelStorei( GL_UNPACK_ALIGNMENT, 1 ); dlid = glGenLists( 1 ); glNewList( dlid, GL_COMPILE ); glutSolidSphere( .8, 8, 8 ); glEndList(); dlid2 = glGenLists( 1 ); glNewList( dlid2, GL_COMPILE ); glBegin( GL_POLYGON ); glNormal3f( 0, 1, 0 ); glColor3f( 1, 1, 1 ); glTexCoord2f( 0, 0 ); glVertex3f( -1.5, -1, -1.5 ); glTexCoord2f( 2, 0 ); glVertex3f( 1.5, -1, -1.5 ); glTexCoord2f( 2, 2 ); glVertex3f( 1.5, -1, 1.5 ); glTexCoord2f( 0, 2 ); glVertex3f( -1.5, -1, 1.5 ); glEnd(); glEndList(); Matrix m; tchunk1 = TransformChunk::create(); m.setTranslate( 0, 1, 0 ); tchunk1->setMatrix( m ); tchunk2 = TransformChunk::create(); tchunk2->setMatrix( Matrix::identity() ); mchunk1 = MaterialChunk::create(); mchunk1->setDiffuse( Color4f( 1,0,0,0 ) ); mchunk1->setAmbient( Color4f( 1,0,0,0 ) ); mchunk1->setShininess( 20 ); mchunk2 = MaterialChunk::create(); mchunk2->setDiffuse( Color4f( 0,1,0,0 ) ); mchunk2->setAmbient( Color4f( 0,1,0,0 ) ); mchunk2->setShininess( 50 ); // Texture chunk // UChar8 imgdata[] = // { 255,0,0,0, 0,255,0,0, 0,0,255,255, 255,255,255,255 }; UChar8 imgdata[] = { 255,0,0, 255,0,0, 255,0,255, 255,0,0, 255,0,0, 255,0,255, 255,255,0, 255,255,0, 255,255,255, 255,255,0, 255,255,0, 255,255,255, }; // UChar8 limgdata[] = // { 0, 128, 64, 255 }; pImage->set( Image::OSG_RGB_PF, 2, 2, 1, 1, 1, 0, imgdata ); if ( argc > 1 ) pImage->read( argv[1] ); xchunk1 = TextureChunk::create(); beginEditCP(xchunk1); xchunk1->setImage( pImage ); // NOTE: the image is NOT copied, the variable // needs to be kept around as long as the // texture is used xchunk1->setMinFilter( GL_LINEAR ); xchunk1->setMagFilter( GL_NEAREST ); xchunk1->setWrapS( GL_REPEAT ); xchunk1->setWrapT( GL_REPEAT ); xchunk1->setEnvMode( GL_REPLACE ); xchunk1->setEnvColor( Color4f(.5,.5,.5,0) ); xchunk1->setScale( false ); // xchunk1->setShaderOperation(GL_PASS_THROUGH_NV); endEditCP(xchunk1); xchunk1->imageContentChanged(); beginEditCP(xchunk1); xchunk1->setImage( pImage ); endEditCP(xchunk1); // blend chunk blchunk = BlendChunk::create(); #ifdef GL_EXT_blend_color blchunk->setSrcFactor( GL_CONSTANT_ALPHA ); blchunk->setDestFactor( GL_ONE_MINUS_CONSTANT_ALPHA ); #endif blchunk->setColor( Color4f( .5,.5,.5,0.1 ) ); blchunk->setEquation(GL_FUNC_SUBTRACT); std::cout << "BlendChunk is trans:" << blchunk->isTransparent() << std::endl; // texture transform chunk txchunk = TextureTransformChunk::create(); beginEditCP(txchunk); txchunk->setMatrix( Matrix(4,0,0,0, 0,1,0,0, 0,0,1,0, 0,0,0,1) ); endEditCP(txchunk); // polygon chunk pchunk1 = PolygonChunk::create(); { UInt32 stipple[32] = { 0xffff0000, 0x0000ffff, 0xffff0000, 0x0000ffff, 0xffff0000, 0x0000ffff, 0xffff0000, 0x0000ffff, 0xffff0000, 0x0000ffff, 0xffff0000, 0x0000ffff, 0xffff0000, 0x0000ffff, 0xffff0000, 0x0000ffff, 0xffff0000, 0x0000ffff, 0xffff0000, 0x0000ffff, 0xffff0000, 0x0000ffff, 0xffff0000, 0x0000ffff, 0xffff0000, 0x0000ffff, 0xffff0000, 0x0000ffff, 0xffff0000, 0x0000ffff, 0xffff0000, 0x0000ffff }; pchunk1->editMFStipple()->clear(); for ( int i = 0; i < 32; i++ ) pchunk1->editMFStipple()->push_back( stipple[i] ); } pchunk1->setFrontMode(GL_LINE); pchunk1->setBackMode(GL_FILL); pchunk2 = PolygonChunk::create(); { UInt32 stipple[32] = { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, }; pchunk2->editMFStipple()->clear(); for ( int i = 0; i < 32; i++ ) pchunk2->editMFStipple()->push_back( stipple[i] ); } lichunk1 = LineChunk::create(); lichunk1->setSmooth(true); lichunk1->setStipplePattern(0xf0f0); lichunk2 = LineChunk::create(); lichunk2->setStippleRepeat(5); lichunk2->setStipplePattern(0xaaaa); glutMainLoop(); return 0; }