C++ (Cpp) _windowToImage Exemples

Exemple #1

Fichier : Image.cpp Projet : Robzz/fain_proj

void Image::draw() {
    glBegin(GL_POINTS);
    int ximg, yimg;
    for(int xwin=0 ; xwin < m_width ; ++xwin)
    for(int ywin=0 ; ywin < m_height; ++ywin) {
        _windowToImage(this, xwin, ywin, &ximg, &yimg);
        Color c;
        if((ximg >= 0) && (ximg < m_width) &&
           (yimg >= 0) && (yimg < m_height))
            c = m_buffer[ximg][yimg];
        else
            c = Color(0,0,0);

        glColor3f(c.red(),c.green(),c.blue());
        glVertex2i(xwin,ywin);
    }
    glEnd();
}

Exemple #2

Fichier : Image.c Projet : KirbX/Bresenham-Scanline

void I_draw(Image *img)
{
	glBegin(GL_POINTS);
	int xwin, ywin, ximg, yimg;
	for(xwin=0;xwin<img->_width;xwin++)
		for(ywin=0;ywin<img->_height;ywin++)
		{
			_windowToImage(img, xwin, ywin, &ximg, &yimg);
			Color c;
			if((ximg>=0)&&(ximg<img->_width)&&
			   (yimg>=0)&&(yimg<img->_height))
				c = img->_buffer[ximg][yimg];
			else
				c = C_new(0,0,0);

			glColor3f(c._red,c._green,c._blue);
			glVertex2i(xwin,ywin);
		}
	glEnd();
}