private static VObject CreateShapeVObject(PsdShapeFrame frame)
{
if (frame.Width == 0 || frame.Height == 0)
{
return(null);
}
var brush = frame.Brush as SolidBrush;
var path = frame.VectorMask != null?Path.FromAdvancedPath(frame.VectorMask) : null;
if (path != null)
{
path.Scale(72 / frame.DpiX, 72 / frame.DpiY);
}
var shapeVObject = new ShapeVObject
{
Path = path,
Opacity = frame.Opacity,
BorderColor = frame.Pen != null ? frame.Pen.Color : ColorManagement.GetBlackColor(frame.ColorSpace),
BorderWidth = frame.Pen != null ? frame.Pen.Width : 0,
FillColor = brush != null ? brush.Color : ColorManagement.GetTransparentColor(frame.ColorSpace)
};
return(shapeVObject);
}
internal Combiner GetImageCombiner(IImageParams destImageParams, ColorManagement colorManagement, float scale, IEnumerable <IDisposable> deps)
{
var pipeline = GetSvgPipeline(destImageParams, colorManagement, scale);
pipeline.Add(new ScaleAlpha(Opacity));
if (!Angle.Equals(0))
{
var rotate = new MatrixTransform
{
Matrix = Matrix.CreateRotate((float)Angle),
InterpolationMode = InterpolationMode.High,
BackgroundColor = ColorManagement.GetTransparentColor(destImageParams.PixelFormat)
};
pipeline.Add(rotate);
}
var imageLocation = GetDrawingRectangle(destImageParams.DpiX * scale).Bounds.Location;
var imageCombiner = new Combiner(CombineMode.AlphaOverlay, pipeline, true)
{
X = (int)imageLocation.X,
Y = (int)imageLocation.Y
};
return(imageCombiner);
}
public virtual void Draw(Bitmap bitmap)
{
var vObject = this as IPipelineExtender;
if (vObject != null && vObject.CanExtendPipeline)
{
var addAlpha = false;
if (!bitmap.PixelFormat.HasAlpha)
{
bitmap.Channels.SetAlpha(1);
addAlpha = true;
}
IEnumerable <IDisposable> deps;
var pipeline = new Pipeline(bitmap);
var scale = bitmap.DpiX / TargetDpi ?? 1;
vObject.ExtendPipeline(pipeline, bitmap, GetColorManagement(), scale, out deps);
using (var newBitmap = new Bitmap())
{
pipeline.Add(newBitmap);
pipeline.Run();
pipeline.Remove(bitmap);
Pipeline.Run(newBitmap + bitmap);
}
if (addAlpha)
{
bitmap.Channels.RemoveAlpha(ColorManagement.GetTransparentColor(bitmap.PixelFormat));
}
pipeline.DisposeAllElements();
if (deps != null)
{
foreach (var dep in deps)
{
dep.Dispose();
}
}
}
else
{
using (var graphics = bitmap.GetAdvancedGraphics())
{
Draw(graphics, bitmap, GetColorManagement());
}
}
}
internal Combiner GetImageCombiner(IImageParams destImageParams, ColorManagement colorManagement, float scale, IEnumerable <IDisposable> deps, ScaleAlpha alpha)
{
if (!Configuration.FileCache.FileExists(SourceFileId))
{
return(null);
}
var imageStream = Configuration.FileCache.GetReadStream(SourceFileId, true);
((IList)deps).Add(imageStream);
var reader = ImageReader.Create(imageStream);
((IList)deps).Add(reader);
IImageParams firstElement;
var psdReader = reader as PsdReader;
if (psdReader != null)
{
firstElement = psdReader.MergedImageFrame;
}
else
{
firstElement = reader;
}
var pipeline = new Pipeline((PipelineElement)firstElement);
var dpi = destImageParams.DpiX * scale;
var imageRect = GetImageRectangle(dpi);
if (firstElement.Width != imageRect.Width || firstElement.Height != imageRect.Height)
{
pipeline.Add(new Resize(imageRect.Width, imageRect.Height, _resizeInterpolationMode));
}
if (alpha != null)
{
pipeline.Add(alpha);
}
// Convert color of image
var colorConverter = ColorManagement.GetColorConverter(colorManagement, firstElement, destImageParams);
if (colorConverter != null)
{
pipeline.Add(colorConverter);
}
if (!Angle.Equals(0))
{
// Don't rotate bitmap without alpha channel.
if (!firstElement.PixelFormat.HasAlpha)
{
// Add alpha channel if scaleAlpha or color conversion does not add it
if (alpha == null && (colorConverter == null || !colorConverter.DestinationPixelFormat.HasAlpha))
{
pipeline.Add(new SetAlpha(1));
}
}
var rotate = new MatrixTransform
{
Matrix = Matrix.CreateRotate((float)Angle),
InterpolationMode = InterpolationMode.High,
BackgroundColor = ColorManagement.GetTransparentColor(destImageParams.PixelFormat)
};
pipeline.Add(rotate);
}
var imageLocation = GetDrawingRectangle(dpi).Bounds.Location;
var imageCombiner = new Combiner(CombineMode.AlphaOverlay, pipeline, true)
{
X = (int)imageLocation.X,
Y = (int)imageLocation.Y
};
return(imageCombiner);
}
