private static void RenderToGraphics(Render.RenderContext ctx, int rot, float translateX, float translateY, XGraphics graphics)
{
graphics.TranslateTransform(translateX, translateY);
graphics.RotateTransform(rot * 90);
using (Maps.Rendering.RenderUtil.SaveState(graphics))
{
if (ctx.clipPath != null)
{
XMatrix m = ctx.ImageSpaceToWorldSpace;
graphics.MultiplyTransform(m);
graphics.IntersectClip(ctx.clipPath);
m.Invert();
graphics.MultiplyTransform(m);
}
ctx.graphics = graphics;
Maps.Rendering.Render.RenderTile(ctx);
}
if (ctx.border && ctx.clipPath != null)
{
using (Maps.Rendering.RenderUtil.SaveState(graphics))
{
// Render border in world space
XMatrix m = ctx.ImageSpaceToWorldSpace;
graphics.MultiplyTransform(m);
XPen pen = new XPen(ctx.styles.imageBorderColor, 0.2f);
// PdfSharp can't ExcludeClip so we take advantage of the fact that we know
// the path starts on the left edge and proceeds clockwise. We extend the
// path with a counterclockwise border around it, then use that to exclude
// the original path's region for rendering the border.
ctx.clipPath.Flatten();
RectangleF bounds = PathUtil.Bounds(ctx.clipPath);
bounds.Inflate(2 * (float)pen.Width, 2 * (float)pen.Width);
List <byte> types = new List <byte>(ctx.clipPath.Internals.GdiPath.PathTypes);
List <PointF> points = new List <PointF>(ctx.clipPath.Internals.GdiPath.PathPoints);
PointF key = points[0];
points.Add(new PointF(bounds.Left, key.Y)); types.Add(1);
points.Add(new PointF(bounds.Left, bounds.Bottom)); types.Add(1);
points.Add(new PointF(bounds.Right, bounds.Bottom)); types.Add(1);
points.Add(new PointF(bounds.Right, bounds.Top)); types.Add(1);
points.Add(new PointF(bounds.Left, bounds.Top)); types.Add(1);
points.Add(new PointF(bounds.Left, key.Y)); types.Add(1);
points.Add(new PointF(key.X, key.Y)); types.Add(1);
XGraphicsPath path = new XGraphicsPath(points.ToArray(), types.ToArray(), XFillMode.Winding);
graphics.IntersectClip(path);
graphics.DrawPath(pen, ctx.clipPath);
}
}
}
public static void DrawLabel(XGraphics g, string text, PointF labelPos, XFont font, XBrush brush, LabelStyle labelStyle)
{
using (RenderUtil.SaveState(g))
{
XTextFormatter tf = new XTextFormatter(g);
tf.Alignment = XParagraphAlignment.Center;
XMatrix matrix = new XMatrix();
matrix.TranslatePrepend(labelPos.X, labelPos.Y);
matrix.ScalePrepend(1.0f / Astrometrics.ParsecScaleX, 1.0f / Astrometrics.ParsecScaleY);
if (labelStyle.Uppercase)
{
text = text.ToUpper();
}
if (labelStyle.Wrap)
{
text = text.Replace(' ', '\n');
}
matrix.TranslatePrepend(labelStyle.Translation.X, labelStyle.Translation.Y);
matrix.RotatePrepend(labelStyle.Rotation);
matrix.ScalePrepend(labelStyle.Scale.Width, labelStyle.Scale.Height);
g.MultiplyTransform(matrix, XMatrixOrder.Prepend);
XSize size = g.MeasureString(text, font);
size.Width *= 2; // prevent cut-off e.g. when rotated
XRect bounds = new XRect(-size.Width / 2, -size.Height / 2, size.Width, size.Height);
tf.DrawString(text, font, brush, bounds);
}
}
/// <summary>
/// Resets the clipping.
/// </summary>
private void RestoreInitialClip()
{
//Get back to the initial state
_graphics.Restore(_initialState);
_initialState = _graphics.Save();
//Restore transform
_graphics.MultiplyTransform(_transform);
_clippingRegion = new Region();
}
/// <summary>
/// Resets the clipping.
/// </summary>
private void RestoreInitialClip()
{
//Get back to the initial state
graphics.Restore(initialState);
initialState = graphics.Save();
//Restore transform
graphics.MultiplyTransform(transform);
clippingRegion = new Region();
}
public override void PutText(string text, double x, double y, int fontSize, bool isBold)
{
var font = new XFont(FontFamily, XUnit.FromPoint(fontSize).Millimeter, isBold ? XFontStyle.Bold : XFontStyle.Regular);
// With our transformation to mirror the y axis, text printed using DrawString also gets mirrored.
// As a workaround we move our current transformation to the x/y position and then mirror the y axis again, and then restore the previous transformation.
XGraphics.Save();
XGraphics.TranslateTransform(x, y);
XGraphics.MultiplyTransform(new XMatrix(1.0, 0.0, 0.0, -1.0, 0.0, 0.0));
XGraphics.DrawString(text, font, XBrushes.Black, 0.0, 0.0);
XGraphics.Restore();
}
public PdfSharpCanvas(PdfPage page, string fontFamily)
{
FontFamily = fontFamily;
SetupFontMetrics(FontFamily);
XGraphics = XGraphics.FromPdfPage(page, XGraphicsPdfPageOptions.Append, XGraphicsUnit.Millimeter, XPageDirection.Downwards);
// The origin of an XGraphics canvas is in the top left corner, with the y axis pointing downwards.
// This transform mirrors the y axis. Unfortunately this also mirrors text output (see workaround in PutText).
// XGraphics.FromPdfPage can be called with XPageDirection.Upwards, which is marked as obsolete because it is not implemented properly
// it suffers from the same problem as our matrix below.
XGraphics.MultiplyTransform(new XMatrix(1.0, 0.0, 0.0, -1.0, 0.0, XGraphics.PageSize.Height));
// Save the current state so that we can always revert any transformations we apply.
XGraphics.Save();
}
public void DrawName(XGraphics graphics, RectangleF rect, MapOptions options, XFont font, XBrush textBrush, LabelStyle labelStyle)
{
if (graphics == null)
{
throw new ArgumentNullException("graphics");
}
RectangleF bounds = TransformedBounds;
if (bounds.IntersectsWith(rect))
{
if (Name != null)
{
string str = Name;
if (labelStyle.Uppercase)
{
str = str.ToUpperInvariant();
}
PointF pos = NamePosition;// PointF( bounds.Left + bounds.Width / 2, bounds.Top + bounds.Height / 2 );
using (RenderUtil.SaveState(graphics))
{
XMatrix matrix = new XMatrix();
matrix.TranslatePrepend(pos.X, pos.Y);
matrix.ScalePrepend(1.0f / Astrometrics.ParsecScaleX, 1.0f / Astrometrics.ParsecScaleY);
matrix.RotatePrepend(-labelStyle.Rotation); // Rotate it
graphics.MultiplyTransform(matrix, XMatrixOrder.Prepend);
// TODO: Accomodate wrapping
//SizeF size = graphics.MeasureString( str, font, bounds.Size);
XSize size = graphics.MeasureString(str, font);
graphics.TranslateTransform(-size.Width / 2, -size.Height / 2); // Center the text
//graphics.TextRenderingHint = TextRenderingHint.AntiAlias;
RectangleF textBounds = new RectangleF(0, 0, (float)size.Width, (float)size.Height * 2); // *2 or it gets cut off at high sizes
graphics.DrawString(str, font, textBrush, textBounds, RenderUtil.StringFormatTopCenter);
}
}
}
}
public void Fill(XGraphics graphics, RectangleF rect, Brush fillBrush)
{
if (graphics == null)
{
throw new ArgumentNullException("graphics");
}
RectangleF bounds = TransformedBounds;
if (bounds.IntersectsWith(rect))
{
XGraphicsPath path = Path;
using (RenderUtil.SaveState(graphics))
{
XMatrix matrix = new XMatrix();
matrix.ScalePrepend(ScaleX, ScaleY);
matrix.TranslatePrepend(-OriginX, -OriginY);
graphics.MultiplyTransform(matrix);
graphics.DrawPath(fillBrush, path);
}
}
}
public void Draw(XGraphics graphics, RectangleF rect, MapOptions options, XPen pen)
{
if (graphics == null)
{
throw new ArgumentNullException("graphics");
}
RectangleF bounds = TransformedBounds;
//graphics.DrawRectangle( new XPen(XColors.Yellow, 1), bounds.X, bounds.Y, bounds.Width, bounds.Height );
if (bounds.IntersectsWith(rect))
{
XGraphicsPath path = Path;
using (RenderUtil.SaveState(graphics))
{
XMatrix matrix = new XMatrix();
matrix.ScalePrepend(ScaleX, ScaleY);
matrix.TranslatePrepend(-OriginX, -OriginY);
graphics.MultiplyTransform(matrix, XMatrixOrder.Prepend);
graphics.DrawPath(pen, path);
}
}
}
public override void RenderPage(XGraphics gfx)
{
base.RenderPage(gfx);
PointF[] origins = new PointF[]
{
new PointF(100, 200), new PointF(300, 200),
new PointF(100, 400), new PointF(300, 400),
new PointF(100, 600), new PointF(350, 600),
};
PointF origin;
XGraphicsContainer container;
float length = 100;
// Not transformed
origin = origins[0];
DrawAxes(gfx, XPens.Black, origin, length);
gfx.DrawString(this.properties.Font2.Text, this.properties.Font2.Font, this.properties.Font2.Brush, origin);
// Translation
container = gfx.BeginContainer(new RectangleF(10, 10, 1, 1), new RectangleF(0, 0, 1, 1), XGraphicsUnit.Point);
origin = origins[1];
DrawAxes(gfx, XPens.Black, origin, length);
gfx.TranslateTransform(20, -30);
DrawAxes(gfx, XPens.DarkGray, origin, length);
gfx.DrawString(this.properties.Font2.Text, this.properties.Font2.Font, this.properties.Font2.Brush, origin);
gfx.EndContainer(container);
// Scaling
container = gfx.BeginContainer(new RectangleF(0, 0, 1, 1), new RectangleF(0, 0, 1, 1), XGraphicsUnit.Point);
origin = origins[2];
DrawAxes(gfx, XPens.Black, origin, length);
gfx.TranslateTransform(origin.X, origin.Y);
gfx.ScaleTransform(1.3f, 1.5f);
DrawAxes(gfx, XPens.DarkGray, new PointF(), length);
gfx.DrawString(this.properties.Font2.Text, this.properties.Font2.Font, this.properties.Font2.Brush, 0, 0);
gfx.EndContainer(container);
// Rotation
container = gfx.BeginContainer(new RectangleF(0, 0, 1, 1), new RectangleF(0, 0, 1, 1), XGraphicsUnit.Point);
origin = origins[3];
DrawAxes(gfx, XPens.Black, origin, length);
gfx.TranslateTransform(origin.X, origin.Y);
gfx.RotateTransform(-45);
DrawAxes(gfx, XPens.DarkGray, new PointF(), length);
gfx.DrawString(this.properties.Font2.Text, this.properties.Font2.Font, this.properties.Font2.Brush, 0, 0);
gfx.EndContainer(container);
// Skewing (or shearing)
container = gfx.BeginContainer(new RectangleF(0, 0, 1, 1), new RectangleF(0, 0, 1, 1), XGraphicsUnit.Point);
origin = origins[4];
DrawAxes(gfx, XPens.Black, origin, length);
gfx.TranslateTransform(origin.X, origin.Y);
gfx.MultiplyTransform(new Matrix(1, -0.3f, -0.4f, 1, 0, 0));
DrawAxes(gfx, XPens.DarkGray, new PointF(), length);
gfx.DrawString(this.properties.Font2.Text, this.properties.Font2.Font, this.properties.Font2.Brush, 0, 0);
gfx.EndContainer(container);
// Reflection
container = gfx.BeginContainer(new RectangleF(0, 0, 1, 1), new RectangleF(0, 0, 1, 1), XGraphicsUnit.Point);
origin = origins[5];
DrawAxes(gfx, XPens.Black, origin, length);
gfx.TranslateTransform(origin.X, origin.Y);
gfx.MultiplyTransform(new Matrix(-1, 0, 0, -1, 0, 0));
DrawAxes(gfx, XPens.DarkGray, new PointF(), length);
gfx.DrawString(this.properties.Font2.Text, this.properties.Font2.Font, this.properties.Font2.Brush, 0, 0);
gfx.EndContainer(container);
}
public override void RenderPage(XGraphics gfx)
{
//base.RenderPage(gfx);
XPoint[] origins = new XPoint[]
{
new XPoint(100, 200), new XPoint(300, 200),
new XPoint(100, 400), new XPoint(300, 400),
new XPoint(100, 600), new XPoint(350, 600),
};
XPoint origin;
XGraphicsState state;
float length = 100;
// Not transformed
origin = origins[0];
DrawAxes(gfx, XPens.Black, origin, length);
gfx.DrawString(this.properties.Font1.Text, this.properties.Font1.Font, this.properties.Font1.Brush, origin);
// Translation
state = gfx.Save();
origin = origins[1];
DrawAxes(gfx, XPens.Black, origin, length);
gfx.TranslateTransform(20, -30);
DrawAxes(gfx, XPens.DarkGray, origin, length);
gfx.DrawString(this.properties.Font1.Text, this.properties.Font1.Font, this.properties.Font1.Brush, origin);
gfx.Restore(state);
#if true
// Scaling
state = gfx.Save();
origin = origins[2];
DrawAxes(gfx, XPens.Black, origin, length);
gfx.TranslateTransform(origin.X, origin.Y);
gfx.ScaleTransform(1.3, 1.5);
DrawAxes(gfx, XPens.DarkGray, new XPoint(), length);
gfx.DrawString(this.properties.Font1.Text, this.properties.Font1.Font, this.properties.Font1.Brush, 0, 0);
gfx.Restore(state);
// Rotation
state = gfx.Save();
origin = origins[3];
DrawAxes(gfx, XPens.Black, origin, length);
gfx.TranslateTransform(origin.X, origin.Y);
gfx.RotateTransform(-45);
DrawAxes(gfx, XPens.DarkGray, new XPoint(), length);
gfx.DrawString(this.properties.Font1.Text, this.properties.Font1.Font, this.properties.Font1.Brush, 0, 0);
gfx.Restore(state);
// Skewing (or shearing)
state = gfx.Save();
origin = origins[4];
DrawAxes(gfx, XPens.Black, origin, length);
gfx.TranslateTransform(origin.X, origin.Y);
gfx.MultiplyTransform(new Matrix(1, -0.3f, -0.4f, 1, 0, 0));
DrawAxes(gfx, XPens.DarkGray, new XPoint(), length);
gfx.DrawString(this.properties.Font1.Text, this.properties.Font1.Font, this.properties.Font1.Brush, 0, 0);
gfx.Restore(state);
// Reflection
state = gfx.Save();
origin = origins[5];
DrawAxes(gfx, XPens.Black, origin, length);
gfx.TranslateTransform(origin.X, origin.Y);
gfx.MultiplyTransform(new Matrix(-1, 0, 0, -1, 0, 0));
DrawAxes(gfx, XPens.DarkGray, new XPoint(), length);
gfx.DrawString(this.properties.Font1.Text, this.properties.Font1.Font, this.properties.Font1.Brush, 0, 0);
gfx.Restore(state);
#endif
}