public override void Apply(Graphics graphics, Bitmap applyBitmap, Rectangle rect, RenderMode renderMode)
{
int blurRadius = GetFieldValueAsInt(FieldType.BLUR_RADIUS);
Rectangle applyRect = ImageHelper.CreateIntersectRectangle(applyBitmap.Size, rect, Invert);
if (applyRect.Width == 0 || applyRect.Height == 0)
{
return;
}
GraphicsState state = graphics.Save();
if (Invert)
{
graphics.SetClip(applyRect);
graphics.ExcludeClip(rect);
}
if (GDIplus.IsBlurPossible(blurRadius))
{
GDIplus.DrawWithBlur(graphics, applyBitmap, applyRect, null, null, blurRadius, false);
}
else
{
using (IFastBitmap fastBitmap = FastBitmap.CreateCloneOf(applyBitmap, applyRect))
{
ImageHelper.ApplyBoxBlur(fastBitmap, blurRadius);
fastBitmap.DrawTo(graphics, applyRect);
}
}
graphics.Restore(state);
}
public static void Blur(Bitmap sourceImage, int radius)
{
if (GDIplus.IsBlurPossible(radius))
{
GDIplus.ApplyBlur(sourceImage, new Rectangle(0, 0, sourceImage.Width, sourceImage.Height), radius, false);
}
else
{
ImageHelper.ApplyBoxBlur(sourceImage, radius);
}
}
