|
public Render ( ISvgDocument node ) : |
||
| node | ISvgDocument |
/// The |
| return | ||
public override void Render(ISvgRenderer renderer)
{
GraphicsWrapper graphics = ((GdiRenderer)renderer).GraphicsWrapper;
SvgImageElement iElement = (SvgImageElement)element;
//HttpResource resource = iElement.ReferencedResource;
/*if (resource != null )
* {*/
ImageAttributes imageAttributes = new ImageAttributes();
string sOpacity = iElement.GetPropertyValue("opacity");
if (sOpacity.Length > 0)
{
double opacity = SvgNumber.ParseToFloat(sOpacity);
ColorMatrix myColorMatrix = new ColorMatrix();
myColorMatrix.Matrix00 = 1.00f; // Red
myColorMatrix.Matrix11 = 1.00f; // Green
myColorMatrix.Matrix22 = 1.00f; // Blue
myColorMatrix.Matrix33 = (float)opacity; // alpha
myColorMatrix.Matrix44 = 1.00f; // w
imageAttributes.SetColorMatrix(myColorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
}
float width = (float)iElement.Width.AnimVal.Value;
float height = (float)iElement.Height.AnimVal.Value;
Rectangle destRect = new Rectangle();
destRect.X = Convert.ToInt32(iElement.X.AnimVal.Value);
destRect.Y = Convert.ToInt32(iElement.Y.AnimVal.Value);
destRect.Width = Convert.ToInt32(width);
destRect.Height = Convert.ToInt32(height);
Image image;
if (iElement.IsSvgImage)
{
SvgWindow wnd = getSvgWindow();
gdiRenderer.BackColor = Color.Empty;
gdiRenderer.Render(wnd.Document as SvgDocument);
//wnd.Render();
image = gdiRenderer.RasterImage;
image.Save(@"c:\inlinesvg.png", ImageFormat.Png);
}
else
{
image = iElement.Bitmap;
}
if (image != null)
{
graphics.DrawImage(this, image, destRect, 0f, 0f, image.Width, image.Height, GraphicsUnit.Pixel, imageAttributes);
}
//}
}
private Image getImage(RectangleF bounds)
{
GdiRenderer renderer = new GdiRenderer();
renderer.Window = _patternElement.OwnerDocument.Window as SvgWindow;
SvgSvgElement elm = moveIntoSvgElement();
Image img = renderer.Render(elm as SvgElement);
moveOutOfSvgElement(elm);
return img;
}
private Image getImage(RectangleF bounds)
{
GdiRenderer renderer = new GdiRenderer();
renderer.Window = _patternElement.OwnerDocument.Window as SvgWindow;
SvgSvgElement elm = moveIntoSvgElement();
Image img = renderer.Render(elm as SvgElement);
moveOutOfSvgElement(elm);
return(img);
}
/// <summary>
/// The following code will load the SVGDOM, render to a emf, and
/// place the EMF on the clipboard. Kt seems more complicated than it should
/// see http://www.dotnet247.com/247reference/msgs/23/118514.aspx
/// for why the straight forward solution does not work.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void miCopy_Click(
object sender,
System.EventArgs e)
{
if (svgUrlCombo.Text.Length > 0)
{
int width = 500;
int height = 500;
// make SVG document with associated window so we can render it.
SvgWindow window = new SvgWindow(width, height, null);
GdiRenderer renderer = new GdiRenderer();
renderer.Window = window;
window.Renderer = renderer;
window.Src = svgUrlCombo.Text;
// copy and paste code taken from
// http://www.dotnet247.com/247reference/msgs/23/117611.aspx
// putting a plain MetaFile on the clipboard does not work.
// .Net's metafile format is not recognised by most programs.
Graphics g = CreateGraphics();
IntPtr hdc = g.GetHdc();
Metafile m = new Metafile(hdc, EmfType.EmfOnly);
g.ReleaseHdc(hdc);
g.Dispose();
g = Graphics.FromImage(m);
// draw the SVG here
// NOTE: the graphics object is automatically Disposed by the
// GdiRenderer.
renderer.Graphics = g;
renderer.Render(window.Document as SvgDocument);
//window.Render();
// put meta file on the clipboard.
IntPtr hwnd = this.Handle;
if (Win32.OpenClipboard(hwnd))
{
Win32.EmptyClipboard();
IntPtr hemf = m.GetHenhmetafile();
Win32.SetClipboardData(14, hemf); //CF_ENHMETAFILE=14
Win32.CloseClipboard();
}
}
}
