unsafe bool Close()
{
CloseGroup();
if (image != null)
{
Control.Close();
var handler = (BitmapHandler)image.Handler;
var bmp = image.ToWpf();
var newbmp = new swmi.RenderTargetBitmap(bmp.PixelWidth, bmp.PixelHeight, bmp.DpiX, bmp.DpiY, swm.PixelFormats.Pbgra32);
newbmp.RenderWithCollect(visual);
if (!bmp.Format.HasAlpha())
{
// convert to non-alpha, as RenderTargetBitmap does not support anything other than Pbgra32
var wb = new swmi.WriteableBitmap(bmp.PixelWidth, bmp.PixelHeight, bmp.DpiX, bmp.DpiY, swm.PixelFormats.Bgr32, null);
var rect = new sw.Int32Rect(0, 0, bmp.PixelWidth, bmp.PixelHeight);
var pixels = new byte[bmp.PixelHeight * wb.BackBufferStride];
newbmp.CopyPixels(rect, pixels, wb.BackBufferStride, 0);
fixed(byte *ptr = pixels)
{
wb.WritePixels(rect, (IntPtr)ptr, pixels.Length, wb.BackBufferStride, 0, 0);
}
handler.SetBitmap(wb);
}
else
{
handler.SetBitmap(newbmp);
}
return(true);
}
return(false);
}
bool Close()
{
CloseGroup();
if (image != null)
{
Control.Close();
var handler = (BitmapHandler)image.Handler;
var bmp = image.ToWpf();
var newbmp = new swmi.RenderTargetBitmap(bmp.PixelWidth, bmp.PixelHeight, bmp.DpiX, bmp.DpiY, swm.PixelFormats.Pbgra32);
newbmp.RenderWithCollect(visual);
handler.SetBitmap(newbmp);
return(true);
}
return(false);
}
public void Clear(SolidBrush brush)
{
var rect = clipBounds ?? initialClip;
if (drawingVisual != null)
{
// bitmap
Control.Close();
var newbmp = new swmi.RenderTargetBitmap((int)bounds.Width, (int)bounds.Height, 96, 96, swm.PixelFormats.Pbgra32);
newbmp.RenderWithCollect(visual);
swm.Geometry maskgeometry;
if (clipPath != null)
{
maskgeometry = clipPath;
}
else
{
maskgeometry = new swm.RectangleGeometry(rect.ToWpf());
}
var boundsgeometry = new swm.RectangleGeometry(bounds);
maskgeometry = swm.Geometry.Combine(boundsgeometry, maskgeometry, swm.GeometryCombineMode.Exclude, null);
var dr = new swm.GeometryDrawing(swm.Brushes.Black, null, maskgeometry);
var db = new swm.DrawingBrush(dr);
//db.Transform = new swm.TranslateTransform (0.5, 0.5);
Control = drawingVisual.RenderOpen();
Control.PushGuidelineSet(new swm.GuidelineSet(new [] { bounds.Left, bounds.Right }, new [] { bounds.Top, bounds.Bottom }));
Control.PushOpacityMask(db);
Control.DrawImage(newbmp, bounds);
Control.Pop();
ApplyAll();
}
else
{
// drawable
if (brush == null || brush.Color.A < 1.0f)
{
Widget.FillRectangle(Brushes.Black, rect);
}
}
if (brush != null)
{
Widget.FillRectangle(brush, rect);
}
}
public void Create(Image image, int width, int height, ImageInterpolation interpolation)
{
var source = image.ToWpf(1, new Size(width, height));
// use drawing group to allow for better quality scaling
var group = new swm.DrawingGroup();
swm.RenderOptions.SetBitmapScalingMode(group, interpolation.ToWpf());
group.Children.Add(new swm.ImageDrawing(source, new sw.Rect(0, 0, width, height)));
var drawingVisual = new swm.DrawingVisual();
using (var drawingContext = drawingVisual.RenderOpen())
drawingContext.DrawDrawing(group);
var resizedImage = new swmi.RenderTargetBitmap(width, height, source.DpiX, source.DpiY, swm.PixelFormats.Default);
resizedImage.RenderWithCollect(drawingVisual);
Control = resizedImage;
}