private ResizedFrame(Frame orig, Size render)
{
OriginalFrame = orig;
RenderSize = render;
CreationTick = HighResTimer.GetCurrentTickCount();
// resize original Bitmap
CreateResizedGDIBitmap(orig.Tilesheet, ref NewBmp, ref ResizedGraphics, ref hDC, ref hBmp);
// resize Mask of original Bitmap
if (OriginalFrame.Tilesheet.Mask != null)
CreateResizedGDIBitmap(orig.Tilesheet.Mask, ref NewBmpMask, ref ResizedGraphicsMask, ref hDCMask, ref hBmpMask);
// hook into Tilesheet Disposed event
orig.Tilesheet.Disposed += Tilesheet_Disposed;
ResizedFrameCache.Add(this.Id, this);
}
public GridPoint SetGridPoint(int x, int y, Frame frame)
{
this[x, y].CurrentFrame = frame;
return this[x, y];
}
internal static string GetId(Frame frame, Size renderSize)
{
return string.Format("{0}_{1}_{2}_{3}_{4}", frame.Tilesheet.Name, frame.XTile.ToString(), frame.YTile.ToString(), renderSize.Width.ToString(), renderSize.Height.ToString());
}
internal static ResizedFrame GetResizedFrame(Frame frame, Size renderSize)
{
var settings = EngineConfiguration.Open().Settings;
ResizedFrame resizedFrame;
if (ResizedFrameCache.TryGetValue(GetId(frame, renderSize), out resizedFrame) == false)
{
resizedFrame = new ResizedFrame(frame, renderSize);
// check cache limit; if over, trim cache
while (ResizedFrameCache.Count > settings.ResizedFrameCacheLimit)
{
var oldestInCache = ResizedFrameCache.OrderBy(kvp => kvp.Value.CreationTick).First();
var oldResizedFrame = oldestInCache.Value;
ResizedFrameCache.Remove(oldestInCache.Key);
oldResizedFrame.Dispose();
}
}
return resizedFrame;
}
