/// <summary>
/// 绘制缩略图
/// </summary>
/// <param name="g"></param>
/// <param name="doc"></param>
private void DrawPic(Graphics g, SvgDocument doc)
{
if (doc == null && doc.RootElement == null)
{
return;
}
SVG svgroot = doc.RootElement as SVG;
if (svgroot == null)
{
return;
}
RectangleF rtf1;
rtf1 = svgroot.ContentBounds;
SizeF sf1 = vectorControl.DocumentSize;
if (!rtf1.IsEmpty)
{
sf1 = rtf1.Size;
}
else
{
rtf1.Size = sf1;
}
SizeF sf2 = this.viewPic.Size;
scale = GetScaleSingle(sf2, rtf1.Size);
g.DrawRectangle(Pens.Black, offX, offY, scale * sf1.Width + 1, scale * sf1.Height + 1);
g.FillRectangle(Brushes.White, offX, offY, scale * sf1.Width, scale * sf1.Height);
using (Matrix matrix1 = new Matrix())
{
matrix1.Translate(-rtf1.X, -rtf1.Y, MatrixOrder.Prepend);
matrix1.Scale(scale, scale, MatrixOrder.Append);
matrix1.Translate(offX, offY, MatrixOrder.Append);
Matrix matrix2 = svgroot.GraphTransform.Matrix.Clone();
svgroot.GraphTransform.Matrix = matrix1;
if (svgroot != null)
{
svgroot.Draw(g, 0);
}
svgroot.GraphTransform.Matrix = matrix2;
}
RectangleF rtf3 = this.viewBounds;
rtf3.Width *= scale;
rtf3.Height *= scale;
//rtf3.Offset(-rtf1.X, -rtf1.Y);
rtf3.X *= scale;
rtf3.Y *= scale;
rtf3.Offset(offX, offY);
Pen tempPen = new Pen(Color.Blue, 2);
g.TranslateTransform(-rtf1.X * scale, -rtf1.Y * scale);
g.DrawRectangle(tempPen, Rectangle.Round(rtf3));
}
private void RenderTo(Graphics g)
{
setTJhide();
SvgDocument svgdoc = tlVectorControl1.SVGDocument;
Matrix matrix1 = new Matrix();
Matrix matrix2 = new Matrix();
matrix1 = ((SVG)svgdoc.RootElement).GraphTransform.Matrix;
matrix2.Multiply(matrix1);
matrix1.Reset();
matrix1.Multiply(g.Transform);
g.ResetTransform();
try
{
SVG svg1 = svgdoc.DocumentElement as SVG;
svgdoc.BeginPrint = true;
SmoothingMode mode1 = svgdoc.SmoothingMode;
svgdoc.SmoothingMode = g.SmoothingMode;
svg1.Draw(g, svgdoc.ControlTime);
svgdoc.SmoothingMode = mode1;
svgdoc.BeginPrint = false;
}
finally
{
g.Transform = matrix1.Clone();
matrix1.Reset();
matrix1.Multiply(matrix2);
}
setTJshow();
}
public static Bitmap GetImageForURL(string sURL, SvgElement element)
{
Bitmap bitmap1 = null;
try
{
if ((sURL.StartsWith("http://") || sURL.StartsWith("https://")) || sURL.StartsWith("file://"))
{
WebRequest request1 = WebRequest.Create(sURL);
WebResponse response1 = request1.GetResponse();
Stream stream1 = response1.GetResponseStream();
MemoryStream stream2 = new MemoryStream();
for (int num1 = stream1.ReadByte(); num1 != -1; num1 = stream1.ReadByte())
{
stream2.WriteByte((byte)num1);
}
if (!response1.ContentType.StartsWith("image/svg+xml"))
{
bitmap1 = (Bitmap)System.Drawing.Image.FromStream(stream2);
}
stream1.Close();
return(bitmap1);
}
string text1 = Path.GetExtension(sURL);
if (text1.Trim().ToLower() == ".svg")
{
SvgDocument document1 = SvgDocumentFactory.CreateDocumentFromFile(sURL);
if ((document1 != null) && (document1.DocumentElement is SVG))
{
SVG svg1 = (SVG)document1.DocumentElement;
bitmap1 = new Bitmap((int)svg1.Width, (int)svg1.Height);
Graphics graphics1 = Graphics.FromImage(bitmap1);
svg1.Draw(graphics1, element.OwnerDocument.ControlTime);
graphics1.Dispose();
}
return(bitmap1);
}
if (regex.IsMatch(sURL)) //Base64±àÂë×ÊÔ´
{
string text2 = sURL.Substring(regex.Match(sURL).Length);
Stream stream1 = FromBase64String(text2);
if (stream1 != null)
{
bitmap1 = (Bitmap)System.Drawing.Image.FromStream(stream1);
}
return(bitmap1);
}
// System.Drawing.Image a= System.Drawing.Image.FromFile(sURL,true);
// if(a.GetType().FullName=="System.Drawing.Imaging.Metafile")
// {
//
// Metafile wmf=(Metafile)Metafile.FromFile(sURL);
// int aa=wmf.Width;
// int bb=wmf.Height;
// Bitmap bm=new Bitmap(wmf.Width,wmf.Height);
// Graphics gr=Graphics.FromImage(bm);
// RectangleF dest_bounds=new RectangleF(0,0,wmf.Width,wmf.Height);
// RectangleF source_bounds=new RectangleF(0,0,wmf.Width,wmf.Height);
// gr.DrawImage(wmf, dest_bounds, source_bounds, GraphicsUnit.Pixel);
//
//// MemoryStream stream4=new MemoryStream() ;
//// bm.Save(stream4,bm.RawFormat);
// bm.Save("C:\\1.bmp",ImageFormat.Bmp);
//
// bitmap1 = (Bitmap) System.Drawing.Image.FromFile("C:\\1.bmp");
// MemoryStream stream3=new MemoryStream() ;
// bitmap1.Save(stream3,bitmap1.RawFormat);
// if (stream3 != null)
// {
// string text3 = ToBase64String(stream3);
//
// (element as XmlElement).SetAttribute("href", SvgDocument.XLinkNamespace, text3);
// }
// gr.Dispose();
// }
else
{
try {
bitmap1 = (Bitmap)System.Drawing.Image.FromFile(sURL);
} catch {
bitmap1 = (Bitmap)System.Drawing.Image.FromFile(AppDomain.CurrentDomain.BaseDirectory + "\\" + sURL);
}
if (bitmap1 != null && !SvgDocument.BkImageLoad)
{
MemoryStream stream3 = new MemoryStream();
bitmap1.Save(stream3, bitmap1.RawFormat);
if (stream3 != null)
{
string text3 = ToBase64String(stream3);
(element as XmlElement).SetAttribute("href", SvgDocument.XLinkNamespace, text3);
}
}
}
}
catch (Exception exception1)
{
throw exception1;
}
return(bitmap1);
}
