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public static Intersect ( |
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| value1 | ||
| value2 | ||
| result | ||
| return | void | |
internal override void Layout()
{
// Pixel size of panel to contain child widgets
var outerArea = BuildContainerRenderArea();
RenderRule.BuildBars(outerArea);
foreach (var widget in Children)
{
widget.AbsoluteArea = new Rectangle(
widget.Area.X + AbsoluteInputArea.X - (int)(RenderRule.Horizontal.ChildOffset),
widget.Area.Y + AbsoluteInputArea.Y - (int)(RenderRule.Vertical.ChildOffset),
widget.Area.Width,
widget.Area.Height);
widget.SissorArea = AbsoluteInputArea;
if (Parent != null)
{
widget.SissorArea = Rectangle.Intersect(widget.SissorArea, SissorArea);
}
}
base.Layout();
}
public void Draw(GameTime time, Matrix parent, Rectangle scissor)
{
Matrix transform = this.Transform * parent;
Rectangle newScissor = scissor;
if (this.EnableScissor)
newScissor = scissor.Intersect(RectangleExtensions.Create(Vector2.Transform(Vector2.Zero, transform), Vector2.Transform(this.Size, transform)));
if (newScissor.Width > 0 && newScissor.Height > 0)
{
if (this.EnableScissor)
{
this.renderer.Batch.End();
this.renderer.Batch.Begin(SpriteSortMode.Deferred, BlendState.AlphaBlend, SamplerState.LinearClamp, DepthStencilState.None, this.renderer.RasterizerState, null, Matrix.Identity);
this.main.GraphicsDevice.ScissorRectangle = newScissor;
}
this.draw(time, parent, transform);
foreach (UIComponent child in this.Children)
{
if (child.Visible)
{
if (this.main.GraphicsDevice.ScissorRectangle != newScissor || child.requiresNewBatch)
{
this.renderer.Batch.End();
this.renderer.Batch.Begin(SpriteSortMode.Deferred, BlendState.AlphaBlend, SamplerState.LinearClamp, DepthStencilState.None, this.renderer.RasterizerState, null, Matrix.Identity);
this.main.GraphicsDevice.ScissorRectangle = newScissor;
}
child.Draw(time, transform, newScissor);
}
}
}
if (this.EnableScissor)
{
// Restore original scissor
this.renderer.Batch.End();
this.renderer.Batch.Begin(SpriteSortMode.Deferred, BlendState.AlphaBlend, SamplerState.LinearClamp, DepthStencilState.None, this.renderer.RasterizerState, null, Matrix.Identity);
this.main.GraphicsDevice.ScissorRectangle = scissor;
}
}
