/// <summary>
/// Keeps the text view data in sync with this surface.
/// </summary>
protected virtual void ResetArea()
{
RenderRects = new Rectangle[area.Width * area.Height];
RenderCells = new Cell[area.Width * area.Height];
int index = 0;
for (int y = 0; y < area.Height; y++)
{
for (int x = 0; x < area.Width; x++)
{
RenderRects[index] = font.GetRenderRect(x, y);
RenderCells[index] = cells[(y + area.Top) * width + (x + area.Left)];
index++;
}
}
// TODO: Optimization by calculating AbsArea and seeing if it's diff from current, if so, don't create new RenderRects
AbsoluteArea = new Rectangle(0, 0, area.Width * font.Size.X, area.Height * font.Size.Y);
if (BackbufferImage != null)
{
BackbufferImage.Dispose();
}
BackbufferImage = new Bitmap(AbsoluteArea.Width, AbsoluteArea.Height);
if (Backbuffer != null)
{
Backbuffer.Dispose();
}
Backbuffer = Graphics.FromImage(BackbufferImage);
}
/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
/// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
Backbuffer.Dispose();
components.Dispose();
}
base.Dispose(disposing);
}
public void Dispose()
{
if (BackbufferImage != null)
{
BackbufferImage.Dispose();
}
if (Backbuffer != null)
{
Backbuffer.Dispose();
}
}
// Load and Create buffer function to handle the event
private void ctlBreakout_Load_and_CreateBackBuffer(object sender, EventArgs e)
{
SoundPlayer sndVoid = new SoundPlayer(ctlBreakoutLib.Properties.Resources.Void);
sndVoid.Play();
var parent = this.Parent;
while (!(parent is Form))
{
parent = parent.Parent;
}
pForm = parent as Form;;
if (Backbuffer != null)
{
Backbuffer.Dispose();
}
Backbuffer = new Bitmap(PlayGround.Width, PlayGround.Height);
}