void GLWidget::paintGL()
{
glClearColor(1.0, 1.0, 0.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
switch (type)
{
case 0: drawPoints() ;
break;
case 1: drawLines();
break;
case 2: drawLineStrip();
break;
case 3: drawLineLoop();
break;
case 4: drawTriangles();
break;
case 5: drawTriangleStrip();
break;
case 6: drawTriangleFan();
break;
case 7: drawQuads();
break;
case 8: drawQuadStrip();
break;
case 9: drawPolygons();
break;
default: break;
}
}
static void drawImage(GLshort* textureCoords, GLshort* vertexCoords, Texture* texture) {
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, texture->glTexture);
glMatrixMode(GL_TEXTURE);
glPushMatrix();
//glLoadIdentity();
// maybe save this matrix for each texture...
glScalex(texture->textureWidthInv, texture->textureHeightInv, 0x10000);
glMatrixMode(GL_MODELVIEW);
drawTriangleFan(textureCoords, vertexCoords);
glMatrixMode(GL_TEXTURE);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
}
static void ogl_fillRect(int left, int top, int width, int height) {
GLshort vertexCoords[] = {
left, top,
left+width, top,
left+width, top+height,
left, top+height
};
//glDisable(GL_BLEND);
glColor4f(0.0f, 0.0f, 0.0f, 1.0f);
glDisable(GL_TEXTURE_2D);
drawTriangleFan(NULL, vertexCoords);
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
//glEnable(GL_BLEND);
}
