private void PrintPage(object sender, PrintPageEventArgs e)
{
if (currentPage < totalPages)
{
// Get the graphics and origin relative to the page edge.
Graphics g = e.Graphics;
PointF origin;
if (!printPreviewInProgress && !printingToBitmaps)
{
origin = new PointF(e.PageSettings.HardMarginX, e.PageSettings.HardMarginY);
}
else
{
origin = new PointF();
}
// Get the dpi of the printer.
float dpi = Math.Max((int)g.DpiX, (int)g.DpiY);
// Move the origin of the graphics to the margin boundaries.
g.TranslateTransform(e.MarginBounds.Left - origin.X, e.MarginBounds.Top - origin.Y);
SizeF size = new SizeF(e.MarginBounds.Width, e.MarginBounds.Height);
// Draw the page.
IGraphicsTarget graphicsTarget;
if (colorModel == ColorModel.RGB)
{
graphicsTarget = new GDIPlus_GraphicsTarget(g);
}
else if (colorModel == ColorModel.CMYK)
{
graphicsTarget = new GDIPlus_GraphicsTarget(g, new SwopColorConverter());
}
else
{
throw new NotImplementedException();
}
using (graphicsTarget) {
DrawPage(graphicsTarget, currentPage, size, dpi);
}
graphicsTarget = null;
// Update page count.
++currentPage;
}
e.HasMorePages = (currentPage < totalPages) && !StopDocumentAfterPage(currentPage - 1);
}
public override void Highlight(Graphics g, Matrix xformWorldToPixel, Brush brush, bool erasing)
{
SymPath path1, path2;
float thickness;
GDIPlus_GraphicsTarget grTarget = new GDIPlus_GraphicsTarget(g);
object brushKey = new object();
grTarget.CreateGdiPlusBrush(brushKey, brush, false);
// Get line thickness.
thickness = TransformDistance(NormalCourseAppearance.lineThickness * scaleRatio * appearance.lineWidth, xformWorldToPixel);
// Get the paths.
GetPaths(out path1, out path2);
// Move and rotate the paths to the correct position.
Matrix moveAndRotate = new Matrix();
moveAndRotate.Rotate(orientation);
moveAndRotate.Translate(location.X, location.Y, MatrixOrder.Append);
path1 = path1.Transform(moveAndRotate);
path2 = path2.Transform(moveAndRotate);
object penKey = new object();
grTarget.CreatePen(penKey, brushKey, thickness, LineCap.Flat, LineJoin.Miter, 5);
// Draw it.
path1.DrawTransformed(grTarget, penKey, xformWorldToPixel);
path2.DrawTransformed(grTarget, penKey, xformWorldToPixel);
grTarget.Dispose();
}
// The core printing routine. The origin of the graphics is the upper-left of the margins,
// and the printArea in the size to draw into (in hundreths of an inch).
protected override void DrawPage(IGraphicsTarget graphicsTarget, int pageNumber, SizeF printArea, float dpi)
{
CoursePage page = pages[pageNumber];
// Get the course view for the course we are printing.
CourseView courseView = CourseView.CreatePrintingCourseView(eventDB, page.courseDesignator);
// Get the correct purple color to print the course in.
short ocadId;
float purpleC, purpleM, purpleY, purpleK;
bool purpleOverprint;
FindPurple.GetPurpleColor(mapDisplay, appearance, out ocadId, out purpleC, out purpleM, out purpleY, out purpleK, out purpleOverprint);
// Create a course layout from the view.
CourseLayout layout = new CourseLayout();
layout.SetLayerColor(CourseLayer.Descriptions, NormalCourseAppearance.blackColorOcadId, NormalCourseAppearance.blackColorName, NormalCourseAppearance.blackColorC, NormalCourseAppearance.blackColorM, NormalCourseAppearance.blackColorY, NormalCourseAppearance.blackColorK, false);
layout.SetLayerColor(CourseLayer.MainCourse, ocadId, NormalCourseAppearance.courseColorName, purpleC, purpleM, purpleY, purpleK, purpleOverprint);
CourseFormatter.FormatCourseToLayout(symbolDB, courseView, appearance, layout, CourseLayer.MainCourse);
// Set the course layout into the map display
mapDisplay.SetCourse(layout);
this.mapDisplay.SetPrintArea(null);
// Collecting garbage should make out of memory less common.
GC.Collect();
if (graphicsTarget is GDIPlus_GraphicsTarget)
{
// We print to intermediate bands of bitmaps. This is the only way to get purple blending correct.
// Other code ensure that if purple blending is on, we always take this code path.
GDIPlus_GraphicsTarget gdiGraphicsTarget = ((GDIPlus_GraphicsTarget)graphicsTarget);
Graphics g = gdiGraphicsTarget.Graphics;
// Save and restore state so we can mess with stuff.
GraphicsState graphicsState = g.Save();
// Printing via a bitmap. Works best with some print drivers.
dpi = AdjustDpi(dpi);
const long MAX_PIXELS_PER_BAND = 20000000; // 20M pixels = 60M bytes (3 bytes per pixel).
List <CoursePage> bands = BandPageToLimitBitmapSize(page, dpi, MAX_PIXELS_PER_BAND);
// Create the bitmap. Can do this once because each band is the same size.
int bitmapWidth = (int)Math.Round(bands[0].printRectangle.Width * dpi / 100F);
int bitmapHeight = (int)Math.Round(bands[0].printRectangle.Height * dpi / 100F);
Bitmap bitmap = new Bitmap(bitmapWidth, bitmapHeight, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
foreach (CoursePage band in bands)
{
// Set the transform
Matrix transform = Geometry.CreateInvertedRectangleTransform(band.mapRectangle, new RectangleF(0, 0, bitmapWidth, bitmapHeight));
mapDisplay.Draw(bitmap, transform);
try {
// Draw the bitmap on the printer.
g.DrawImage(bitmap, band.printRectangle);
}
catch (Exception) { }
}
// restore state.
g.Restore(graphicsState);
bitmap.Dispose();
}
else
{
// Print directly. Used only when prerasterization is off.
// Set the transform, and the clip.
Matrix transform = Geometry.CreateInvertedRectangleTransform(page.mapRectangle, page.printRectangle);
PushRectangleClip(graphicsTarget, page.printRectangle);
graphicsTarget.PushTransform(transform);
// Determine the resolution in map coordinates.
Matrix inverseTransform = transform.Clone();
inverseTransform.Invert();
float minResolutionPage = 100F / dpi;
float minResolutionMap = Geometry.TransformDistance(minResolutionPage, inverseTransform);
// And draw.
mapDisplay.Draw(graphicsTarget, page.mapRectangle, minResolutionMap);
graphicsTarget.PopTransform();
graphicsTarget.PopClip();
}
}
public override void Highlight(Graphics g, Matrix xformWorldToPixel, Brush brush, bool erasing)
{
SymPath path1, path2, path3, path4;
float thickness;
GDIPlus_GraphicsTarget grTarget = new GDIPlus_GraphicsTarget(g);
object brushKey = new object();
grTarget.CreateGdiPlusBrush(brushKey, brush, false);
// Get line thickness.
thickness = TransformDistance(NormalCourseAppearance.lineThickness * scaleRatio * appearance.lineWidth, xformWorldToPixel);
// Get the paths.
path1 = new SymPath(OffsetCoords(ScaleCoords((PointF[]) coords1.Clone()), location.X, location.Y), kinds1);
path2 = new SymPath(OffsetCoords(ScaleCoords((PointF[]) coords2.Clone()), location.X, location.Y), kinds2);
path3 = new SymPath(OffsetCoords(ScaleCoords((PointF[]) coords3.Clone()), location.X, location.Y), kinds3);
path4 = new SymPath(OffsetCoords(ScaleCoords((PointF[]) coords4.Clone()), location.X, location.Y), kinds4);
object penKey = new object();
grTarget.CreatePen(penKey, brushKey, thickness, LineCap.Round, LineJoin.Miter, 5);
// Draw the paths
path1.DrawTransformed(grTarget, penKey, xformWorldToPixel);
path2.DrawTransformed(grTarget, penKey, xformWorldToPixel);
path3.DrawTransformed(grTarget, penKey, xformWorldToPixel);
path4.DrawTransformed(grTarget, penKey, xformWorldToPixel);
grTarget.Dispose();
}
public override void Highlight(Graphics g, Matrix xformWorldToPixel, Brush brush, bool erasing)
{
object brushKey = new object();
object penKey = new object();
using (GDIPlus_GraphicsTarget graphicsTarget = new GDIPlus_GraphicsTarget(g)) {
graphicsTarget.CreateGdiPlusBrush(brushKey, brush, false);
graphicsTarget.CreatePen(penKey, brushKey, Geometry.TransformDistance(FullWidth, xformWorldToPixel), LineCap.Flat, LineJoin.Miter, 10);
SymPath path = CreateSymPath();
path = path.Transform(xformWorldToPixel);
path.Draw(graphicsTarget, penKey);
}
}
// Draw the highlight. Everything must be drawn in pixel coords so fast erase works correctly.
public override void Highlight(Graphics g, Matrix xformWorldToPixel, Brush brush, bool erasing)
{
GDIPlus_GraphicsTarget grTarget = new GDIPlus_GraphicsTarget(g);
object brushKey = new object();
grTarget.CreateGdiPlusBrush(brushKey, brush, false);
// Get thickness of line.
float pixelThickness = TransformDistance(thickness * scaleRatio, xformWorldToPixel);
SymPath[] gappedPaths = LegGap.SplitPathWithGaps(path, gaps);
// Draw it.
object penKey = new object();
grTarget.CreatePen(penKey, brushKey, pixelThickness, LineCap.Flat, LineJoin.Miter, 5);
try {
foreach (SymPath p in gappedPaths) {
p.DrawTransformed(grTarget, penKey, xformWorldToPixel);
}
}
catch (ExternalException) {
// Ignore this exeption. Not sure what causes it.
}
grTarget.Dispose();
}
// Draw the highlight. Everything must be draw in pixel coords so fast erase works correctly.
public override void Highlight(Graphics g, Matrix xformWorldToPixel, Brush brush, bool erasing)
{
GDIPlus_GraphicsTarget grTarget = new GDIPlus_GraphicsTarget(g);
object brushKey = new object();
grTarget.CreateGdiPlusBrush(brushKey, brush, false);
// Draw the boundary.
object penKey = new object();
grTarget.CreatePen(penKey, brushKey, 2, LineCap.Round, LineJoin.Round, 5);
path.DrawTransformed(grTarget, penKey, xformWorldToPixel);
// Get a brush to fill the interior with.
object fillBrushKey;
if (erasing)
fillBrushKey = brushKey;
else {
fillBrushKey = new object();
grTarget.CreateGdiPlusBrush(fillBrushKey, NormalCourseAppearance.areaHighlight, false);
}
// Draw the interior
path.FillTransformed(grTarget, fillBrushKey, xformWorldToPixel);
grTarget.Dispose();
}
private void PrintPage(object sender, PrintPageEventArgs e)
{
if (currentPage < totalPages) {
// Get the graphics and origin relative to the page edge.
Graphics g = e.Graphics;
PointF origin;
if (!printPreviewInProgress && !printingToBitmaps)
origin = new PointF(e.PageSettings.HardMarginX, e.PageSettings.HardMarginY);
else
origin = new PointF();
// Get the dpi of the printer.
float dpi = Math.Max((int) g.DpiX, (int) g.DpiY);
// Move the origin of the graphics to the margin boundaries.
g.TranslateTransform(e.MarginBounds.Left - origin.X, e.MarginBounds.Top - origin.Y);
SizeF size = new SizeF(e.MarginBounds.Width, e.MarginBounds.Height);
// Draw the page.
IGraphicsTarget graphicsTarget;
if (colorModel == ColorModel.RGB)
graphicsTarget = new GDIPlus_GraphicsTarget(g);
else if (colorModel == ColorModel.CMYK)
graphicsTarget = new GDIPlus_GraphicsTarget(g, new SwopColorConverter());
else
throw new NotImplementedException();
using (graphicsTarget) {
DrawPage(graphicsTarget, currentPage, size, dpi);
}
graphicsTarget = null;
// Update page count.
++currentPage;
}
e.HasMorePages = (currentPage < totalPages) && !StopDocumentAfterPage(currentPage - 1);
}
