public static BitmapSource GetBitmapSource(Stream Source, float overAllSize = 256.0f)
{
Svg.SvgDocument doc = Svg.SvgDocument.Open <Svg.SvgDocument>(Source);
float w = doc.GetDimensions().Width;
float h = doc.GetDimensions().Height;
float ratioX = overAllSize / w;
float ratioY = overAllSize / h;
float ratio = ratioX < ratioY ? ratioX : ratioY;
int newHeight = Convert.ToInt32(h * ratio);
int newWidth = Convert.ToInt32(w * ratio);
if (doc.Width.Type != Svg.SvgUnitType.Percentage && doc.Height.Type != Svg.SvgUnitType.Percentage)
{
doc.Transforms.Add(new Svg.Transforms.SvgScale(ratio));
}
Bitmap HBITMAP = doc.Draw(newWidth, newHeight);
BitmapSource bs = System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap(HBITMAP.GetHbitmap(), IntPtr.Zero,
System.Windows.Int32Rect.Empty,
BitmapSizeOptions.FromEmptyOptions());
return(bs);
}
internal System.Drawing.Image GetGdiImage(IconCollectionInfo collectionInfo, IconFileInfo fileInfo)
{
string iconFileKey = GetIconFileKey(collectionInfo, fileInfo);
System.Drawing.Image result = null;
if (!m_gdiImages.TryGetValue(iconFileKey, out result))
{
// Try to load the icon from svg file
var svgIconLink = TryFindSvgIcon(collectionInfo, fileInfo);
if (svgIconLink != null)
{
Stopwatch sw = new Stopwatch();
sw.Start();
using (Stream inStream = svgIconLink.OpenRead())
{
Svg.SvgDocument svgDoc = Svg.SvgDocument.Open <Svg.SvgDocument>(inStream);
System.Drawing.Bitmap targetBitmap = new System.Drawing.Bitmap(collectionInfo.IconSideWidthPixel, collectionInfo.IconSideWidthPixel);
using (CustomSvgRenderer svgRenderer = new CustomSvgRenderer(targetBitmap, Color.FromArgb(collectionInfo.IconForeColor)))
{
svgDoc.Overflow = Svg.SvgOverflow.Auto;
svgRenderer.SetBoundable(new GenericBoundable(0f, 0f, (float)targetBitmap.Width, (float)targetBitmap.Height));
SizeF dimensions = svgDoc.GetDimensions();
svgRenderer.ScaleTransform((float)targetBitmap.Width / dimensions.Width, (float)targetBitmap.Height / dimensions.Height, MatrixOrder.Append);
svgDoc.Draw(svgRenderer);
}
result = targetBitmap;
}
sw.Stop();
}
// Try to load the icon from png file
if (result == null)
{
var pngIconLink = TryFindPngIcon(collectionInfo, fileInfo);
if (pngIconLink != null)
{
using (Stream inStream = pngIconLink.OpenRead())
{
result = System.Drawing.Bitmap.FromStream(inStream);
}
}
}
m_gdiImages[iconFileKey] = result;
}
return(result);
}