public override void RenderTo(Resizing.ImageState s)
{
if (string.IsNullOrEmpty(Path))
{
return;
}
s.destGraphics.CompositingMode = System.Drawing.Drawing2D.CompositingMode.SourceOver;
s.destGraphics.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
s.destGraphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
Bitmap img = null;
if (this.ShouldLoadAsOriginalSize())
{
img = GetMemCachedBitmap(Path, ImageQuery);
}
//Calculate the location for the bitmap
RectangleF imgBounds = this.CalculateLayerCoordinates(s, delegate(double maxwidth, double maxheight) {
ResizeSettings opts = new ResizeSettings(ImageQuery);
if (Fill && string.IsNullOrEmpty(opts["scale"]))
{
opts.Scale = ScaleMode.Both;
}
if (!double.IsNaN(maxwidth))
{
opts.MaxWidth = (int)Math.Floor(maxwidth);
}
if (!double.IsNaN(maxheight))
{
opts.MaxHeight = (int)Math.Floor(maxheight);
}
if (img == null)
{
img = GetMemCachedBitmap(Path, opts); //Delayed creation allows the maxwidth/maxheight to be used in gradient plugin
}
lock (img) {
return(ImageBuilder.Current.GetFinalSize(img.Size, opts));
}
}, true);
lock (img) { //Only one reader from the cached bitmap at a time.
//Skip rendering unless we have room to work with.
if (imgBounds.Width < 2 || imgBounds.Height < 2)
{
return;
}
if (ImageQuery.Keys.Count > 0 || Fill)
{
ResizeSettings settings = new ResizeSettings(ImageQuery);
if (Fill && string.IsNullOrEmpty(settings["scale"]))
{
settings.Scale = ScaleMode.Both;
}
settings.MaxWidth = (int)Math.Floor(imgBounds.Width);
settings.MaxHeight = (int)Math.Floor(imgBounds.Height);
using (Bitmap final = ImageBuilder.Current.Build(img, settings, false)) {
s.destGraphics.DrawImage(final, PolygonMath.ToRectangle(PolygonMath.CenterInside(PolygonMath.DownScaleInside(final.Size, imgBounds.Size), imgBounds)));
}
}
else
{
s.destGraphics.DrawImage(img, PolygonMath.ToRectangle(PolygonMath.CenterInside(PolygonMath.DownScaleInside(img.Size, imgBounds.Size), imgBounds)));
}
}
}