private void createTexture(int size)
{
VideoDriver drv = device.VideoDriver;
Texture o = texture;
texture = drv.AddTexture(new Dimension2Di(size), "tex");
TexturePainter p = texture.Painter;
p.Lock(TextureLockMode.WriteOnly);
for (int i = 0; i < p.MipMapLevelHeight; i++)
{
p.SetLine(0, i, p.MipMapLevelWidth - 1, i, new Color(200, 200, 200));
}
p.Unlock(true);
guiImage.Image = texture;
sceneNodePainter.SetMaterialTexture(0, texture);
if (o != null)
{
drv.RemoveTexture(o);
}
}
bool OnEvent(Event e)
{
if (e.Type == EventType.Mouse)
{
int x = e.Mouse.X;
int y = e.Mouse.Y;
bool l = e.Mouse.IsLeftPressed();
if (l && guiImage.AbsolutePosition.IsPointInside(new Vector2Di(x, y)))
{
Vector2Di p = new Vector2Di(x, y) - guiImage.AbsolutePosition.UpperLeftCorner;
if (e.Mouse.Type == MouseEventType.Move)
{
TexturePainter t = texture.Painter;
if (p.X < texture.Size.Width &&
p.Y < texture.Size.Height &&
t.Lock(TextureLockMode.WriteOnly))
{
t.SetLine(oldMouseX, oldMouseY, p.X, p.Y, new Color(255, 0, 0));
t.Unlock(true);
}
}
oldMouseX = p.X;
oldMouseY = p.Y;
return(true);
}
}
if (e.Type == EventType.GUI)
{
if (e.GUI.Type == GUIEventType.ElementClosed &&
e.GUI.Caller is GUIWindow)
{
device.Close();
return(true);
}
if (e.GUI.Type == GUIEventType.ButtonClicked)
{
if (e.GUI.Caller == guiSize128)
{
initGUI(128);
createTexture(128);
return(true);
}
if (e.GUI.Caller == guiSize256)
{
initGUI(256);
createTexture(256);
return(true);
}
if (e.GUI.Caller == guiSize512)
{
initGUI(512);
createTexture(512);
return(true);
}
}
}
return(false);
}
