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Visual C++ İle OpenGl Kullanarak PolyLine Çizdirme

Visual C++ İle OpenGl Kullanarak PolyLine Çizdirme
Mouse ile hareket ettirerek PolyLine çizdirme
#include <GL/glut.h>
GLsizei winWidth=400,winHeight=300;
GLint endPtCtr=0;
class scrPt{
public:
GLint x,y;
};
void init(void){
glClearColor(0.0,0.0,1.0,1.0);
glMatrixMode(GL_PROJECTION);
gluOrtho2D(0.0,200.0,0.0,150.0);
}
void displayFcn(void){
glClear(GL_COLOR_BUFFER_BIT);
}
void winReshapeFcn(GLint newWidth,GLint newHeight){
glViewport(0,0,newWidth,newHeight);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluOrtho2D(0.0,GLdouble (newWidth),0.0,GLdouble (newHeight));
winWidth=newWidth;
winHeight=newHeight;
}
void drawLineSegment(scrPt endPt1,scrPt endPt2){
glBegin(GL_LINES);
glVertex2i(endPt1.x,endPt1.y);
glVertex2i(endPt2.x,endPt2.y);



glEnd();
}
void polyline(GLint button,GLint action,GLint xMouse,GLint yMouse){
static scrPt endPt1,endPt2;
if(endPtCtr==0){
if(button==GLUT_LEFT_BUTTON && action==GLUT_DOWN){
endPt1.x=xMouse;
endPt1.y=winHeight-yMouse;

endPtCtr=1;
}
else
if(button==GLUT_RIGHT_BUTTON)
exit(0);
}
else
if(button==GLUT_LEFT_BUTTON && action==GLUT_DOWN){
endPt2.x=xMouse;
endPt2.y=winHeight-yMouse;
drawLineSegment(endPt1,endPt2);
endPt1=endPt2;
}
else
if(button==GLUT_RIGHT_BUTTON)
exit(0);
glutSwapBuffers();
}



int main(int argc, char ** argv)
{
   glutInit(&argc, argv);
   glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB);
   glutInitWindowSize(winWidth,winHeight);
   glutInitWindowPosition(100, 100);
   glutCreateWindow("PolyLine Çiz");
   init();
   glutDisplayFunc(displayFcn);
   glutReshapeFunc(winReshapeFcn);
   glutMouseFunc(polyline);
   glutMainLoop();
   return 0;
}



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  • diline pelesenk olmak ne demek
  • dillere pelesenk olmuş ne demek
  • pelesenk
  • pelesenk ne demek
  • Pelesenk Ne Demek – Pelesenk Sözlük Anlamı
  • pelesenk olmak ne demek
  • pelesenk olmak ne demektir
  • pelesenk olmuş ne demek
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