static void CALLBACK Paint(void)
{
glViewport(0,0,windW,windH);
glDisable(GL_SCISSOR_TEST);
glPushAttrib(GL_COLOR_BUFFER_BIT);
glColorMask(1,1,1,1);
glIndexMask((GLuint)~0);
glClearColor(0.0,0.0,0.0,0.0);
glClear(GL_COLOR_BUFFER_BIT);
glPopAttrib();
if(mode1)glShadeModel(GL_SMOOTH);
else glShadeModel(GL_FLAT);
if(mode2)glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
else glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
Viewport(0,0); Point();
Viewport(0,1); Lines();
Viewport(0,2); LineStrip();
Viewport(0,3); LineLoop();
Viewport(1,0); Bitmap();
Viewport(1,1); TriangleFan();
Viewport(1,2); Triangles();
Viewport(1,3); TriangleStrip();
Viewport(2,0); Rect();
Viewport(2,1); xPolygon();
Viewport(2,2); Quads();
Viewport(2,3); QuadStrip();
glFlush();
if(doubleBuffer)auxSwapBuffers();
}
static void Draw(EGLDisplay dpy, EGLSurface surf)
{
glViewport(0, 0, windW, windH);
glDisable(GL_SCISSOR_TEST);
glPushAttrib(GL_COLOR_BUFFER_BIT);
glColorMask(1, 1, 1, 1);
glIndexMask(~0);
glClearColor(0.0, 0.0, 0.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT);
glPopAttrib();
if (mode1) {
glShadeModel(GL_SMOOTH);
} else {
glShadeModel(GL_FLAT);
}
if (mode2) {
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
} else {
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
}
Viewport(0, 0); Point();
Viewport(0, 1); Lines();
Viewport(0, 2); LineStrip();
Viewport(0, 3); LineLoop();
Viewport(1, 0); Bitmap();
Viewport(1, 1); TriangleFan();
Viewport(1, 2); Triangles();
Viewport(1, 3); TriangleStrip();
Viewport(2, 0); Rect();
Viewport(2, 1); PolygonFunc();
Viewport(2, 2); Quads();
Viewport(2, 3); QuadStrip();
glFlush();
if (doubleBuffer) {
eglSwapBuffers(dpy, surf);
}
}
/* metodo di avvio del parser; apre il file specificato e riga per riga aggiunge nelle strutture dati i corrispondenti elementi */
void Parser::start_parser(vector<Vertex> *v, Container<Triangles> *tr, Container<Quads> *qs, Container<Normal> *vn){
bool boot_f = true, boot_vn = true;
float f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12;
if(!fp){
cout << "ERROR : file not found or wrong declaration"<<endl;
exit(0);
}
while (!feof(fp)) {
memset(str, 0, 256);
fgets(str, 256, fp);
if( strncmp("vn ",str,3) == 0 )
{
if(boot_vn){
vn->initiateData();
boot_vn=false;
}
sscanf((str+2),"%f %f %f",&f1,&f2,&f3);
Normal n = Normal(f1,f2,f3);
vn->addData(n);
}
else if(strncmp("v ",str,2) == 0 )
{
sscanf((str+1),"%f %f %f",&f1,&f2,&f3);
Vertex tmp = Vertex(f1,f2,f3);
v->push_back(tmp);
}
else if(strncmp("f ",str,2) == 0 )
{
if (boot_f) {
//attivare struttura dati
tr->initiateData();
qs->initiateData();
boot_f=false;
}
int match = sscanf((str+1),"%f %f %f %f",&f1,&f2,&f3,&f4); //triangolo o quadrato
Triangles t;
Quads q;
if(match==3){
t = Triangles(f1,f2,f3);
tr->addData(t);
}
if(match==4){
q = Quads(f1,f2,f3,f4);
qs->addData(q);
}
int matchN = sscanf((str+1),"%f//%f %f//%f %f//%f %f//%f",&f1,&f2,&f3,&f4,&f5,&f6,&f7,&f8); // triangolo/quadrato + normale
if(matchN==6){
t = Triangles(f1,f3,f5,f2,f4,f6);
tr->addData(t);
}
if(matchN==8){
q = Quads(f1,f3,f5,f7,f2,f4,f6,f8);
qs->addData(q);
}
int matchNT = sscanf((str+1),"%f/%f/%f %f/%f/%f %f/%f/%f %f/%f/%f",&f1,&f2,&f3,&f4,&f5,&f6,&f7,&f8,&f9,&f10,&f11,&f12); // triangolo/quadrato + texture + normale
if(matchNT==9){
t = Triangles(f1,f4,f7,f3,f6,f9);
tr->addData(t);
}
if(matchNT==12){
q = Quads(f1,f4,f7,f10,f3,f6,f9,f12);
qs->addData(q);
}
}
}
fclose(fp);
};
