private void DrawRootPane(BasePane pane)
{
Color color = Color.Black;
if (SelectedPanes.Contains(pane))
{
color = Color.Red;
}
CustomRectangle rect = pane.CreateRectangle();
//Draw a quad which is the backcolor but lighter
GL.Begin(PrimitiveType.Quads);
GL.Color3(BackgroundColor.Lighten(10));
GL.Vertex2(rect.LeftPoint, rect.TopPoint);
GL.Vertex2(rect.RightPoint, rect.TopPoint);
GL.Vertex2(rect.RightPoint, rect.BottomPoint);
GL.Vertex2(rect.LeftPoint, rect.BottomPoint);
GL.End();
//Draw outline of root pane
GL.Begin(PrimitiveType.LineLoop);
GL.PolygonOffset(0.5f, 2);
GL.LineWidth(33);
GL.Color3(color);
GL.Vertex2(rect.LeftPoint, rect.TopPoint);
GL.Vertex2(rect.RightPoint, rect.TopPoint);
GL.Vertex2(rect.RightPoint, rect.BottomPoint);
GL.Vertex2(rect.LeftPoint, rect.BottomPoint);
GL.End();
}
public void DrawRectangle(CustomRectangle rect, Vector2[] texCoords,
Color[] colors, bool useLines = true, byte alpha = 255)
{
for (int i = 0; i < colors.Length; i++)
{
uint setalpha = (uint)((colors[i].A * alpha) / 255);
colors[i] = Color.FromArgb((int)setalpha, colors[i]);
}
if (useLines)
{
GL.Begin(PrimitiveType.LineLoop);
GL.Color4(colors[0]);
GL.Vertex2(rect.LeftPoint, rect.BottomPoint);
GL.Vertex2(rect.RightPoint, rect.BottomPoint);
GL.Vertex2(rect.RightPoint, rect.TopPoint);
GL.Vertex2(rect.LeftPoint, rect.TopPoint);
GL.End();
}
else
{
GL.Begin(PrimitiveType.Quads);
GL.Color4(colors[0]);
GL.TexCoord2(texCoords[0]);
GL.Vertex2(rect.LeftPoint, rect.BottomPoint);
GL.Color4(colors[1]);
GL.TexCoord2(texCoords[1]);
GL.Vertex2(rect.RightPoint, rect.BottomPoint);
GL.Color4(colors[2]);
GL.TexCoord2(texCoords[2]);
GL.Vertex2(rect.RightPoint, rect.TopPoint);
GL.Color4(colors[3]);
GL.TexCoord2(texCoords[3]);
GL.Vertex2(rect.LeftPoint, rect.TopPoint);
GL.End();
//Draw outline
GL.Begin(PrimitiveType.LineLoop);
GL.LineWidth(3);
GL.Color4(colors[0]);
GL.Vertex2(rect.LeftPoint, rect.BottomPoint);
GL.Vertex2(rect.RightPoint, rect.BottomPoint);
GL.Vertex2(rect.RightPoint, rect.TopPoint);
GL.Vertex2(rect.LeftPoint, rect.TopPoint);
GL.End();
}
}
private void UpdateRectangle()
{
rectangle = CreateRectangle();
}