protected override void OnRenderFrame(FrameEventArgs e)
{
base.OnRenderFrame(e);
GL.ClearColor(60 / 256f, 60 / 256f, 60 / 256f, 1);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
Matrix4 modelview = Matrix4.LookAt(Vector3.Zero, Vector3.UnitZ, Vector3.UnitY);
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadMatrix(ref modelview);
GL.MatrixMode(MatrixMode.Projection);
GL.PushMatrix();
GL.LoadIdentity();
GL.Ortho(0, screenDimensions[0], screenDimensions[1], 0, -1, 1);
GL.MatrixMode(MatrixMode.Modelview);
GL.PushMatrix();
GL.LoadIdentity();
GLx.setColord(1, 1, 1);
project(ref cLatLng, ref cOffset, getZoom());
//mapPool.draw(cLatLng[0], cLatLng[1], zoom);
GL.MatrixMode(MatrixMode.Modelview);
GL.PopMatrix();
GL.MatrixMode(MatrixMode.Projection);
GL.PopMatrix();
GL.MatrixMode(MatrixMode.Modelview);
SwapBuffers();
}
public void draw(double[] centerOffset, int[] screenSize, double zoom)
{
if (isBMPLoaded == 1)
{
GLx.copyBitmapIntoTexture(bmp, tex);
bmp.Dispose();
isBMPLoaded = 2;
}
if (isBMPLoaded == 2)
{
int width = mapDimensions[0], height = mapDimensions[1];
double zF, cx, cy, ox, oy, dx, dy, dw, dh;
zF = Math.Pow(2, zoom - this.zoom);
cx = screenSize[0] / 2d;
cy = screenSize[1] / 2d;
ox = zF * offset[0] - centerOffset[0];
oy = zF * offset[1] - centerOffset[1];
dx = cx + ox - zF * width / 2d;
dy = cy + oy - zF * height / 2d;
dw = zF * width;
dh = zF * height;
GL.LoadIdentity();
GLx.drawTexture(tex, dx, dy, dw, dh);
if (!isImageValid)
{
GLx.setColord(1, 0, 0);
GLx.drawRect(dx, dy, dw, dh, false);
}
GLx.setColord(1, 1, 1);
}
}