protected override RequestedAction RenderOverlays(ImageState s)
{
IEnumerable <Overlay> overlays = RequestOverlays;
if (overlays == null)
{
return(RequestedAction.None); //skip town if there's no overlay object cached.
}
Graphics g = s.destGraphics;
g.SmoothingMode = this.Smoothing;
g.CompositingMode = CompositingMode.SourceOver;
g.CompositingQuality = this.Compositing;
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
foreach (Overlay o in overlays)
{
if (string.IsNullOrEmpty(o.OverlayPath))
{
continue; //Skip overlays without a path
}
try {
//Get the memcached overlay (assuming SourceFileCache is installed)
using (Bitmap b = c.CurrentImageBuilder.LoadImage(o.OverlayPath, new ResizeSettings("memcache=true")))
using (ImageAttributes ia = new ImageAttributes()) {
ia.SetWrapMode(System.Drawing.Drawing2D.WrapMode.TileFlipXY);
g.DrawImage(b, PolygonMath.getParallelogram(new LayoutEngine().GetOverlayParalellogram(o, b.Size, s)), new Rectangle(0, 0, b.Width, b.Height), GraphicsUnit.Pixel, ia);
//Draw the poly if requested.
if (Utils.getBool(s.settings, "customoverlay.showpoly", false))
{
g.DrawPolygon(Pens.Green, new LayoutEngine().TranslatePoints(o.Poly, s));
}
}
} catch (FileNotFoundException fe) {
if (!IgnoreMissingFiles)
{
throw new ImageMissingException("The overlay image " + o.OverlayPath + " could not be found.");
}
}
}
return(RequestedAction.None);
}
protected override RequestedAction RenderImage(ImageState s)
{
//Skip this when we are doing simulations
if (s.destGraphics == null)
{
return(RequestedAction.None);
}
//If there's pre-rendering involved this optimization is utterly pointless.
if (s.preRenderBitmap != null)
{
return(RequestedAction.None);
}
//Find out what the speed setting is.
int speed = 0;
if (string.IsNullOrEmpty(s.settings["speed"]) || !int.TryParse(s.settings["speed"], NumberStyles.Integer, NumberFormatInfo.InvariantInfo, out speed))
{
speed = 0;
}
if (speed < 1)
{
return(RequestedAction.None);
}
s.destGraphics.CompositingMode = CompositingMode.SourceCopy;
s.destGraphics.CompositingQuality = CompositingQuality.HighSpeed;
if (speed == 1)
{
s.destGraphics.InterpolationMode = InterpolationMode.HighQualityBilinear;
}
else
{
s.destGraphics.InterpolationMode = InterpolationMode.Bilinear;
}
s.destGraphics.PixelOffsetMode = PixelOffsetMode.HighSpeed;
s.destGraphics.SmoothingMode = SmoothingMode.HighSpeed;
s.copyAttibutes.SetWrapMode(WrapMode.TileFlipXY);
if (speed < 3)
{
s.destGraphics.DrawImage(s.sourceBitmap, PolygonMath.getParallelogram(s.layout["image"]), s.copyRect, GraphicsUnit.Pixel, s.copyAttibutes);
}
else if (speed < 4)
{
Rectangle midsize = PolygonMath.ToRectangle(PolygonMath.GetBoundingBox(s.layout["image"]));
using (Image thumb = s.sourceBitmap.GetThumbnailImage(midsize.Width, midsize.Height, delegate() { return(false); }, IntPtr.Zero)) {
double xfactor = (double)thumb.Width / (double)s.sourceBitmap.Width;
double yfactor = (double)thumb.Height / (double)s.sourceBitmap.Height;
RectangleF copyPart = new RectangleF((float)(s.copyRect.Left * xfactor),
(float)(s.copyRect.Top * yfactor),
(float)(s.copyRect.Width * xfactor),
(float)(s.copyRect.Height * yfactor));
if (Math.Floor(copyPart.Height) == thumb.Height || Math.Ceiling(copyPart.Height) == thumb.Height)
{
copyPart.Height = thumb.Height;
}
if (Math.Floor(copyPart.Width) == thumb.Width || Math.Ceiling(copyPart.Width) == thumb.Width)
{
copyPart.Width = thumb.Width;
}
s.destGraphics.DrawImage(thumb, PolygonMath.getParallelogram(s.layout["image"]), copyPart, GraphicsUnit.Pixel, s.copyAttibutes);
}
}
else
{
RectangleF box = PolygonMath.GetBoundingBox(PolygonMath.getParallelogram(s.layout["image"]));
s.destGraphics.CompositingMode = CompositingMode.SourceCopy;
s.destGraphics.DrawImage(s.sourceBitmap, box.Left, box.Top, box.Width, box.Height);
}
return(RequestedAction.Cancel);
}
