public static XPImage FromImageBrush(DocumentRenderingContext context, ImageBrush brush)
{
ImageBuilder ib = new ImageBuilder(context);
XPImage xpImage = ib.Build(brush);
return(xpImage);
}
/// <summary>
/// Creates an XForm from an image brush.
/// </summary>
public static XForm FromImageBrush(DocumentRenderingContext context, ImageBrush brush)
{
XPImage xpImage = ImageBuilder.FromImageBrush(context, brush);
XImage ximage = xpImage.XImage;
double width = ximage.PixelWidth;
double height = ximage.PixelHeight;
// view box in point
// XRect box = new XRect(brush.Viewbox.X * 0.75, brush.Viewbox.Y * 0.75, brush.Viewbox.Width * 0.75, brush.Viewbox.Height * 0.75);
XRect box = new XRect(0, 0, width, height);
XForm xform = new XForm(context.PdfDocument, box);
PdfContentWriter formWriter = new PdfContentWriter(context, xform, RenderMode.Default);
Debug.Assert(ximage != null);
PdfFormXObject pdfForm = xform.PdfForm;
pdfForm.Elements.SetMatrix(PdfFormXObject.Keys.Matrix, new XMatrix());
//formWriter.Size = brush.Viewport.Size;
formWriter.BeginContentRaw();
string imageID = formWriter.Resources.AddImage(new PdfImage(context.PdfDocument, ximage));
XMatrix matrix = new XMatrix();
double scaleX = brush.Viewport.Width / brush.Viewbox.Width * 4 / 3 * ximage.PointWidth;
double scaleY = brush.Viewport.Height / brush.Viewbox.Height * 4 / 3 * ximage.PointHeight;
matrix.TranslatePrepend(-brush.Viewbox.X, -brush.Viewbox.Y);
matrix.ScalePrepend(scaleX, scaleY);
matrix.TranslatePrepend(brush.Viewport.X / scaleX, brush.Viewport.Y / scaleY);
matrix = new XMatrix(width, 0, 0, -height, 0, height);
formWriter.WriteLiteral("q\n");
// TODO:WriteClip(path.Data);
//formWriter.WriteLiteral("{0:0.###} 0 0 -{1:0.###} {2:0.###} {3:0.###} cm 100 Tz {4} Do Q\n",
// matrix.M11, matrix.M22, matrix.OffsetX, matrix.OffsetY + brush.Viewport.Height, imageID);
formWriter.WriteMatrix(matrix);
formWriter.WriteLiteral(imageID + " Do Q\n");
formWriter.EndContent();
return(xform);
}
/// <summary>
/// Builds a PdfFormXObject from the specified brush.
/// </summary>
PdfFormXObject BuildForm(ImageBrush brush)
{
//<<
// /BBox [0 100 100 0]
// /Length 65
// /Matrix [1 0 0 1 0 0]
// /Resources
// <<
// /ColorSpace
// <<
// /CS0 15 0 R
// >>
// /ExtGState
// <<
// /GS0 10 0 R
// >>
// /ProcSet [/PDF /ImageC /ImageI]
// /XObject
// <<
// /Im0 16 0 R
// >>
// >>
// /Subtype /Form
//>>
//stream
// q
// 0 0 100 100 re
// W n
// q
// /GS0 gs
// 100 0 0 -100 0 100 cm
// /Im0 Do
// Q
//Q
//endstream
PdfFormXObject pdfForm = Context.PdfDocument.Internals.CreateIndirectObject <PdfFormXObject>();
XPImage xpImage = ImageBuilder.FromImageBrush(Context, brush);
XImage ximage = xpImage.XImage;
ximage.Interpolate = false;
double width = ximage.PixelWidth;
double height = ximage.PixelHeight;
pdfForm.DpiX = ximage.HorizontalResolution;
pdfForm.DpiY = ximage.VerticalResolution;
// view box in point
// XRect box = new XRect(brush.Viewbox.X * 0.75, brush.Viewbox.Y * 0.75, brush.Viewbox.Width * 0.75, brush.Viewbox.Height * 0.75);
XRect box = new XRect(0, 0, width, height);
pdfForm.Elements.SetRectangle(PdfFormXObject.Keys.BBox, new PdfRectangle(0, height, width, 0));
pdfForm.Elements.SetMatrix(PdfFormXObject.Keys.Matrix, new XMatrix());
PdfContentWriter writer = new PdfContentWriter(Context, pdfForm);
Debug.Assert(ximage != null);
//PdfFormXObject pdfForm = xform.PdfForm;
pdfForm.Elements.SetMatrix(PdfFormXObject.Keys.Matrix, new XMatrix());
//formWriter.Size = brush.Viewport.Size;
writer.BeginContentRaw();
string imageID = writer.Resources.AddImage(new PdfImage(Context.PdfDocument, ximage));
XMatrix matrix = new XMatrix();
//double scaleX = brush.Viewport.Width / brush.Viewbox.Width * 4 / 3 * ximage.PointWidth;
//double scaleY = brush.Viewport.Height / brush.Viewbox.Height * 4 / 3 * ximage.PointHeight;
//matrix.TranslatePrepend(-brush.Viewbox.X, -brush.Viewbox.Y);
//matrix.ScalePrepend(scaleX, scaleY);
//matrix.TranslatePrepend(brush.Viewport.X / scaleX, brush.Viewport.Y / scaleY);
//double scaleX = 96 / ximage.HorizontalResolution;
//double scaleY = 96 / ximage.VerticalResolution;
//width *= scaleX;
//height *= scaleY;
matrix = new XMatrix(width, 0, 0, -height, 0, height);
writer.WriteLiteral("q\n");
// TODO:WriteClip(path.Data);
//formWriter.WriteLiteral("{0:0.###} 0 0 -{1:0.###} {2:0.###} {3:0.###} cm 100 Tz {4} Do Q\n",
// matrix.M11, matrix.M22, matrix.OffsetX, matrix.OffsetY + brush.Viewport.Height, imageID);
writer.WriteMatrix(matrix);
writer.WriteLiteral(imageID + " Do Q\n");
#if DEBUG
if (DevHelper.BorderPatterns)
{
writer.WriteLiteral("1 1 1 rg 0 0 m {0:0.###} 0 l {0:0.###} {1:0.###} l 0 {1:0.###} l h s\n", width, height);
}
#endif
writer.EndContent();
return(pdfForm);
}
public static XPImage FromImageBrush(DocumentRenderingContext context, ImageBrush brush)
{
ImageBuilder ib = new ImageBuilder(context);
XPImage xpImage = ib.Build(brush);
return xpImage;
}