/// <summary>
/// Extracts text fragments from the 2nd page and highlights the glyphs in the fragment.
/// </summary>
/// <param name="document"></param>
private static void ExtractTextAndHighlightGlyphs(PdfFixedDocument document)
{
PdfRgbColor penColor = new PdfRgbColor();
PdfPen pen = new PdfPen(penColor, 0.5);
Random rnd = new Random();
byte[] rgb = new byte[3];
PdfContentExtractor ce = new PdfContentExtractor(document.Pages[1]);
PdfTextFragmentCollection tfc = ce.ExtractTextFragments();
PdfTextFragment tf = tfc[1];
for (int i = 0; i < tf.Glyphs.Count; i++)
{
rnd.NextBytes(rgb);
penColor.R = rgb[0];
penColor.G = rgb[1];
penColor.B = rgb[2];
PdfPath boundingPath = new PdfPath();
boundingPath.StartSubpath(tf.Glyphs[i].GlyphCorners[0].X, tf.Glyphs[i].GlyphCorners[0].Y);
boundingPath.AddLineTo(tf.Glyphs[i].GlyphCorners[1].X, tf.Glyphs[i].GlyphCorners[1].Y);
boundingPath.AddLineTo(tf.Glyphs[i].GlyphCorners[2].X, tf.Glyphs[i].GlyphCorners[2].Y);
boundingPath.AddLineTo(tf.Glyphs[i].GlyphCorners[3].X, tf.Glyphs[i].GlyphCorners[3].Y);
boundingPath.CloseSubpath();
document.Pages[1].Graphics.DrawPath(pen, boundingPath);
}
}
/// <summary>
/// Extracts text fragments from the 3rd page and highlights the glyphs in the fragment.
/// </summary>
/// <param name="document"></param>
private static void ExtractImagesAndHighlight(PdfFixedDocument document)
{
PdfPen pen = new PdfPen(new PdfRgbColor(255, 0, 192), 0.5);
PdfBrush brush = new PdfBrush(new PdfRgbColor(0, 0, 0));
PdfStandardFont helvetica = new PdfStandardFont(PdfStandardFontFace.Helvetica, 8);
PdfStringAppearanceOptions sao = new PdfStringAppearanceOptions();
sao.Brush = brush;
sao.Font = helvetica;
PdfStringLayoutOptions slo = new PdfStringLayoutOptions();
slo.Width = 1000;
PdfContentExtractor ce = new PdfContentExtractor(document.Pages[2]);
PdfVisualImageCollection eic = ce.ExtractImages(false);
for (int i = 0; i < eic.Count; i++)
{
string imageProperties = string.Format("Image ID: {0}\nPixel width: {1} pixels\nPixel height: {2} pixels\n" +
"Display width: {3} points\nDisplay height: {4} points\nHorizonal Resolution: {5} dpi\nVertical Resolution: {6} dpi",
eic[i].ImageID, eic[i].Width, eic[i].Height, eic[i].DisplayWidth, eic[i].DisplayHeight, eic[i].DpiX, eic[i].DpiY);
PdfPath boundingPath = new PdfPath();
boundingPath.StartSubpath(eic[i].ImageCorners[0].X, eic[i].ImageCorners[0].Y);
boundingPath.AddLineTo(eic[i].ImageCorners[1].X, eic[i].ImageCorners[1].Y);
boundingPath.AddLineTo(eic[i].ImageCorners[2].X, eic[i].ImageCorners[2].Y);
boundingPath.AddLineTo(eic[i].ImageCorners[3].X, eic[i].ImageCorners[3].Y);
boundingPath.CloseSubpath();
document.Pages[2].Graphics.DrawPath(pen, boundingPath);
slo.X = eic[i].ImageCorners[3].X + 1;
slo.Y = eic[i].ImageCorners[3].Y + 1;
document.Pages[2].Graphics.DrawString(imageProperties, sao, slo);
}
}
private static void HighlightSearchResults(PdfPage page, PdfTextSearchResultCollection searchResults, PdfColor color)
{
PdfPen pen = new PdfPen(color, 0.5);
for (int i = 0; i < searchResults.Count; i++)
{
PdfTextFragmentCollection tfc = searchResults[i].TextFragments;
for (int j = 0; j < tfc.Count; j++)
{
PdfPath path = new PdfPath();
path.StartSubpath(tfc[j].FragmentCorners[0].X, tfc[j].FragmentCorners[0].Y);
path.AddPolygon(tfc[j].FragmentCorners);
page.Graphics.DrawPath(pen, path);
}
}
}
private static void HighlightSearchResults(PdfPage page, PdfTextSearchResultCollection searchResults, PdfColor color)
{
PdfPen pen = new PdfPen(color, 0.5);
for (int i = 0; i < searchResults.Count; i++)
{
PdfTextFragmentCollection tfc = searchResults[i].TextFragments;
for (int j = 0; j < tfc.Count; j++)
{
PdfPath path = new PdfPath();
path.StartSubpath(tfc[j].FragmentCorners[0].X, tfc[j].FragmentCorners[0].Y);
path.AddPolygon(tfc[j].FragmentCorners);
page.Graphics.DrawPath(pen, path);
}
}
}
private static void DrawPatterns(PdfPage page, PdfFont titleFont, PdfFont sectionFont)
{
PdfBrush brush = new PdfBrush();
PdfPen blackPen = new PdfPen(PdfRgbColor.Black, 1);
PdfPen darkRedPen = new PdfPen(new PdfRgbColor(0xFF, 0x40, 0x40), 0.8);
PdfPen darkOrangePen = new PdfPen(new PdfRgbColor(0xA6, 0x4B, 0x00), 0.8);
PdfPen darkCyanPen = new PdfPen(new PdfRgbColor(0x00, 0x63, 0x63), 0.8);
PdfPen darkGreenPen = new PdfPen(new PdfRgbColor(0x00, 0x85, 0x00), 0.8);
PdfBrush lightRedBrush = new PdfBrush(new PdfRgbColor(0xFF, 0x73, 0x73));
PdfBrush lightOrangeBrush = new PdfBrush(new PdfRgbColor(0xFF, 0x96, 0x40));
PdfBrush lightCyanBrush = new PdfBrush(new PdfRgbColor(0x33, 0xCC, 0xCC));
PdfBrush lightGreenBrush = new PdfBrush(new PdfRgbColor(0x67, 0xE6, 0x67));
page.Graphics.DrawString("Patterns", titleFont, brush, 20, 50);
page.Graphics.DrawString("Colored patterns", sectionFont, brush, 25, 70);
// Create the pattern visual appearance.
PdfColoredTilingPattern ctp = new PdfColoredTilingPattern(20, 20);
// Red circle
ctp.Graphics.DrawEllipse(darkRedPen, lightRedBrush, 1, 1, 8, 8);
// Cyan square
ctp.Graphics.DrawRectangle(darkCyanPen, lightCyanBrush, 11, 1, 8, 8);
// Green diamond
PdfPath diamondPath = new PdfPath();
diamondPath.StartSubpath(1, 15);
diamondPath.AddPolyLineTo(new PdfPoint[] { new PdfPoint(5, 11), new PdfPoint(9, 15), new PdfPoint(5, 19) });
diamondPath.CloseSubpath();
ctp.Graphics.DrawPath(darkGreenPen, lightGreenBrush, diamondPath);
// Orange triangle
PdfPath trianglePath = new PdfPath();
trianglePath.StartSubpath(11, 19);
trianglePath.AddPolyLineTo(new PdfPoint[] { new PdfPoint(15, 11), new PdfPoint(19, 19) });
trianglePath.CloseSubpath();
ctp.Graphics.DrawPath(darkOrangePen, lightOrangeBrush, trianglePath);
// Create a pattern colorspace from the pattern object.
PdfPatternColorSpace coloredPatternColorSpace = new PdfPatternColorSpace(ctp);
// Create a color based on the pattern colorspace.
PdfPatternColor coloredPatternColor = new PdfPatternColor(coloredPatternColorSpace);
// The pen and brush use the pattern color like any other color.
PdfPatternBrush patternBrush = new PdfPatternBrush(coloredPatternColor);
PdfPatternPen patternPen = new PdfPatternPen(coloredPatternColor, 40);
page.Graphics.DrawEllipse(patternBrush, 25, 90, 250, 200);
page.Graphics.DrawRoundRectangle(patternPen, 310, 110, 250, 160, 100, 100);
page.Graphics.DrawString("Uncolored patterns", sectionFont, brush, 25, 300);
// Create the pattern visual appearance.
PdfUncoloredTilingPattern uctp = new PdfUncoloredTilingPattern(20, 20);
// A pen without color is used to create the pattern content.
PdfPen noColorPen = new PdfPen(null, 0.8);
// Circle
uctp.Graphics.DrawEllipse(noColorPen, 1, 1, 8, 8);
// Square
uctp.Graphics.DrawRectangle(noColorPen, 11, 1, 8, 8);
// Diamond
diamondPath = new PdfPath();
diamondPath.StartSubpath(1, 15);
diamondPath.AddPolyLineTo(new PdfPoint[] { new PdfPoint(5, 11), new PdfPoint(9, 15), new PdfPoint(5, 19) });
diamondPath.CloseSubpath();
uctp.Graphics.DrawPath(noColorPen, diamondPath);
// Triangle
trianglePath = new PdfPath();
trianglePath.StartSubpath(11, 19);
trianglePath.AddPolyLineTo(new PdfPoint[] { new PdfPoint(15, 11), new PdfPoint(19, 19) });
trianglePath.CloseSubpath();
uctp.Graphics.DrawPath(noColorPen, trianglePath);
// Create a pattern colorspace from the pattern object.
PdfPatternColorSpace uncoloredPatternColorSpace = new PdfPatternColorSpace(uctp);
// Create a color based on the pattern colorspace.
PdfPatternColor uncoloredPatternColor = new PdfPatternColor(uncoloredPatternColorSpace);
// The pen and brush use the pattern color like any other color.
patternBrush = new PdfPatternBrush(uncoloredPatternColor);
// Before using the uncolored pattern set the color that will be used to paint the pattern.
patternBrush.UncoloredPatternPaintColor = new PdfRgbColor(0xFF, 0x40, 0x40);
page.Graphics.DrawEllipse(patternBrush, 25, 320, 125, 200);
patternBrush.UncoloredPatternPaintColor = new PdfRgbColor(0xA6, 0x4B, 0x00);
page.Graphics.DrawEllipse(patternBrush, 175, 320, 125, 200);
patternBrush.UncoloredPatternPaintColor = new PdfRgbColor(0x00, 0x63, 0x63);
page.Graphics.DrawEllipse(patternBrush, 325, 320, 125, 200);
patternBrush.UncoloredPatternPaintColor = new PdfRgbColor(0x00, 0x85, 0x00);
page.Graphics.DrawEllipse(patternBrush, 475, 320, 125, 200);
page.Graphics.DrawString("Shading patterns", sectionFont, brush, 25, 550);
// Create the pattern visual appearance.
PdfAxialShading horizontalShading = new PdfAxialShading();
horizontalShading.StartColor = new PdfRgbColor(255, 0, 0);
horizontalShading.EndColor = new PdfRgbColor(0, 0, 255);
horizontalShading.StartPoint = new PdfPoint(25, 600);
horizontalShading.EndPoint = new PdfPoint(575, 600);
PdfShadingPattern sp = new PdfShadingPattern(horizontalShading);
// Create a pattern colorspace from the pattern object.
PdfPatternColorSpace shadingPatternColorSpace = new PdfPatternColorSpace(sp);
// Create a color based on the pattern colorspace.
PdfPatternColor shadingPatternColor = new PdfPatternColor(shadingPatternColorSpace);
// The pen and brush use the pattern color like any other color.
patternPen = new PdfPatternPen(shadingPatternColor, 40);
page.Graphics.DrawEllipse(patternPen, 50, 600, 500, 150);
page.Graphics.CompressAndClose();
}
private static void DrawLines(PdfPage page, PdfFont titleFont, PdfFont sectionFont)
{
PdfBrush brush = new PdfBrush();
PdfPen blackPen = new PdfPen(PdfRgbColor.Black, 1);
PdfPen bluePen = new PdfPen(PdfRgbColor.LightBlue, 16);
page.Graphics.DrawString("Lines", titleFont, brush, 20, 50);
page.Graphics.DrawString("Line styles:", sectionFont, brush, 20, 70);
page.Graphics.DrawString("Solid", sectionFont, brush, 20, 90);
page.Graphics.DrawLine(blackPen, 100, 95, 400, 95);
page.Graphics.DrawString("Dashed", sectionFont, brush, 20, 110);
blackPen.DashPattern = new double[] { 3, 3 };
page.Graphics.DrawLine(blackPen, 100, 115, 400, 115);
page.Graphics.DrawString("Line cap styles:", sectionFont, brush, 20, 150);
page.Graphics.DrawString("Flat", sectionFont, brush, 20, 175);
page.Graphics.DrawLine(bluePen, 100, 180, 400, 180);
blackPen.DashPattern = null;
page.Graphics.DrawLine(blackPen, 100, 180, 400, 180);
page.Graphics.DrawString("Square", sectionFont, brush, 20, 195);
bluePen.LineCap = PdfLineCap.Square;
page.Graphics.DrawLine(bluePen, 100, 200, 400, 200);
blackPen.DashPattern = null;
page.Graphics.DrawLine(blackPen, 100, 200, 400, 200);
page.Graphics.DrawString("Round", sectionFont, brush, 20, 215);
bluePen.LineCap = PdfLineCap.Round;
page.Graphics.DrawLine(bluePen, 100, 220, 400, 220);
blackPen.DashPattern = null;
page.Graphics.DrawLine(blackPen, 100, 220, 400, 220);
page.Graphics.DrawString("Line join styles:", sectionFont, brush, 20, 250);
page.Graphics.DrawString("Miter", sectionFont, brush, 20, 280);
PdfPath miterPath = new PdfPath();
miterPath.StartSubpath(150, 320);
miterPath.AddLineTo(250, 260);
miterPath.AddLineTo(350, 320);
bluePen.LineCap = PdfLineCap.Flat;
bluePen.LineJoin = PdfLineJoin.Miter;
page.Graphics.DrawPath(bluePen, miterPath);
page.Graphics.DrawString("Bevel", sectionFont, brush, 20, 360);
PdfPath bevelPath = new PdfPath();
bevelPath.StartSubpath(150, 400);
bevelPath.AddLineTo(250, 340);
bevelPath.AddLineTo(350, 400);
bluePen.LineCap = PdfLineCap.Flat;
bluePen.LineJoin = PdfLineJoin.Bevel;
page.Graphics.DrawPath(bluePen, bevelPath);
page.Graphics.DrawString("Round", sectionFont, brush, 20, 440);
PdfPath roundPath = new PdfPath();
roundPath.StartSubpath(150, 480);
roundPath.AddLineTo(250, 420);
roundPath.AddLineTo(350, 480);
bluePen.LineCap = PdfLineCap.Flat;
bluePen.LineJoin = PdfLineJoin.Round;
page.Graphics.DrawPath(bluePen, roundPath);
page.Graphics.DrawString("Random lines clipped to rectangle", sectionFont, brush, 20, 520);
PdfPath clipPath = new PdfPath();
clipPath.AddRectangle(20, 550, 570, 230);
page.Graphics.SaveGraphicsState();
page.Graphics.SetClip(clipPath);
PdfRgbColor randomColor = new PdfRgbColor();
PdfPen randomPen = new PdfPen(randomColor, 1);
Random rnd = new Random();
for (int i = 0; i < 100; i++)
{
randomColor.R = (byte)rnd.Next(256);
randomColor.G = (byte)rnd.Next(256);
randomColor.B = (byte)rnd.Next(256);
page.Graphics.DrawLine(randomPen, rnd.NextDouble() * page.Width, 550 + rnd.NextDouble() * 250, rnd.NextDouble() * page.Width, 550 + rnd.NextDouble() * 250);
}
page.Graphics.RestoreGraphicsState();
page.Graphics.DrawPath(blackPen, clipPath);
page.Graphics.CompressAndClose();
}
private static void DrawPatterns(PdfPage page, PdfFont titleFont, PdfFont sectionFont)
{
PdfBrush brush = new PdfBrush();
PdfPen blackPen = new PdfPen(PdfRgbColor.Black, 1);
PdfPen darkRedPen = new PdfPen(new PdfRgbColor(0xFF, 0x40, 0x40), 0.8);
PdfPen darkOrangePen = new PdfPen(new PdfRgbColor(0xA6, 0x4B, 0x00), 0.8);
PdfPen darkCyanPen = new PdfPen(new PdfRgbColor(0x00, 0x63, 0x63), 0.8);
PdfPen darkGreenPen = new PdfPen(new PdfRgbColor(0x00, 0x85, 0x00), 0.8);
PdfBrush lightRedBrush = new PdfBrush(new PdfRgbColor(0xFF, 0x73, 0x73));
PdfBrush lightOrangeBrush = new PdfBrush(new PdfRgbColor(0xFF, 0x96, 0x40));
PdfBrush lightCyanBrush = new PdfBrush(new PdfRgbColor(0x33, 0xCC, 0xCC));
PdfBrush lightGreenBrush = new PdfBrush(new PdfRgbColor(0x67, 0xE6, 0x67));
page.Graphics.DrawString("Patterns", titleFont, brush, 20, 50);
page.Graphics.DrawString("Colored patterns", sectionFont, brush, 25, 70);
// Create the pattern visual appearance.
PdfColoredTilingPattern ctp = new PdfColoredTilingPattern(20, 20);
// Red circle
ctp.Graphics.DrawEllipse(darkRedPen, lightRedBrush, 1, 1, 8, 8);
// Cyan square
ctp.Graphics.DrawRectangle(darkCyanPen, lightCyanBrush, 11, 1, 8, 8);
// Green diamond
PdfPath diamondPath = new PdfPath();
diamondPath.StartSubpath(1, 15);
diamondPath.AddPolyLineTo(new PdfPoint[] { new PdfPoint(5, 11), new PdfPoint(9, 15), new PdfPoint(5, 19) });
diamondPath.CloseSubpath();
ctp.Graphics.DrawPath(darkGreenPen, lightGreenBrush, diamondPath);
// Orange triangle
PdfPath trianglePath = new PdfPath();
trianglePath.StartSubpath(11, 19);
trianglePath.AddPolyLineTo(new PdfPoint[] { new PdfPoint(15, 11), new PdfPoint(19, 19) });
trianglePath.CloseSubpath();
ctp.Graphics.DrawPath(darkOrangePen, lightOrangeBrush, trianglePath);
// Create a pattern colorspace from the pattern object.
PdfPatternColorSpace coloredPatternColorSpace = new PdfPatternColorSpace(ctp);
// Create a color based on the pattern colorspace.
PdfPatternColor coloredPatternColor = new PdfPatternColor(coloredPatternColorSpace);
// The pen and brush use the pattern color like any other color.
PdfPatternBrush patternBrush = new PdfPatternBrush(coloredPatternColor);
PdfPatternPen patternPen = new PdfPatternPen(coloredPatternColor, 40);
page.Graphics.DrawEllipse(patternBrush, 25, 90, 250, 200);
page.Graphics.DrawRoundRectangle(patternPen, 310, 110, 250, 160, 100, 100);
page.Graphics.DrawString("Uncolored patterns", sectionFont, brush, 25, 300);
// Create the pattern visual appearance.
PdfUncoloredTilingPattern uctp = new PdfUncoloredTilingPattern(20, 20);
// A pen without color is used to create the pattern content.
PdfPen noColorPen = new PdfPen(null, 0.8);
// Circle
uctp.Graphics.DrawEllipse(noColorPen, 1, 1, 8, 8);
// Square
uctp.Graphics.DrawRectangle(noColorPen, 11, 1, 8, 8);
// Diamond
diamondPath = new PdfPath();
diamondPath.StartSubpath(1, 15);
diamondPath.AddPolyLineTo(new PdfPoint[] { new PdfPoint(5, 11), new PdfPoint(9, 15), new PdfPoint(5, 19) });
diamondPath.CloseSubpath();
uctp.Graphics.DrawPath(noColorPen, diamondPath);
// Triangle
trianglePath = new PdfPath();
trianglePath.StartSubpath(11, 19);
trianglePath.AddPolyLineTo(new PdfPoint[] { new PdfPoint(15, 11), new PdfPoint(19, 19) });
trianglePath.CloseSubpath();
uctp.Graphics.DrawPath(noColorPen, trianglePath);
// Create a pattern colorspace from the pattern object.
PdfPatternColorSpace uncoloredPatternColorSpace = new PdfPatternColorSpace(uctp);
// Create a color based on the pattern colorspace.
PdfPatternColor uncoloredPatternColor = new PdfPatternColor(uncoloredPatternColorSpace);
// The pen and brush use the pattern color like any other color.
patternBrush = new PdfPatternBrush(uncoloredPatternColor);
// Before using the uncolored pattern set the color that will be used to paint the pattern.
patternBrush.UncoloredPatternPaintColor = new PdfRgbColor(0xFF, 0x40, 0x40);
page.Graphics.DrawEllipse(patternBrush, 25, 320, 125, 200);
patternBrush.UncoloredPatternPaintColor = new PdfRgbColor(0xA6, 0x4B, 0x00);
page.Graphics.DrawEllipse(patternBrush, 175, 320, 125, 200);
patternBrush.UncoloredPatternPaintColor = new PdfRgbColor(0x00, 0x63, 0x63);
page.Graphics.DrawEllipse(patternBrush, 325, 320, 125, 200);
patternBrush.UncoloredPatternPaintColor = new PdfRgbColor(0x00, 0x85, 0x00);
page.Graphics.DrawEllipse(patternBrush, 475, 320, 125, 200);
page.Graphics.DrawString("Shading patterns", sectionFont, brush, 25, 550);
// Create the pattern visual appearance.
PdfAxialShading horizontalShading = new PdfAxialShading();
horizontalShading.StartColor = new PdfRgbColor(255, 0, 0);
horizontalShading.EndColor = new PdfRgbColor(0, 0, 255);
horizontalShading.StartPoint = new PdfPoint(25, 600);
horizontalShading.EndPoint = new PdfPoint(575, 600);
PdfShadingPattern sp = new PdfShadingPattern(horizontalShading);
// Create a pattern colorspace from the pattern object.
PdfPatternColorSpace shadingPatternColorSpace = new PdfPatternColorSpace(sp);
// Create a color based on the pattern colorspace.
PdfPatternColor shadingPatternColor = new PdfPatternColor(shadingPatternColorSpace);
// The pen and brush use the pattern color like any other color.
patternPen = new PdfPatternPen(shadingPatternColor, 40);
page.Graphics.DrawEllipse(patternPen, 50, 600, 500, 150);
page.Graphics.CompressAndClose();
}
private static void DrawLines(PdfPage page, PdfFont titleFont, PdfFont sectionFont)
{
PdfBrush brush = new PdfBrush();
PdfPen blackPen = new PdfPen(PdfRgbColor.Black, 1);
PdfPen bluePen = new PdfPen(PdfRgbColor.LightBlue, 16);
page.Graphics.DrawString("Lines", titleFont, brush, 20, 50);
page.Graphics.DrawString("Line styles:", sectionFont, brush, 20, 70);
page.Graphics.DrawString("Solid", sectionFont, brush, 20, 90);
page.Graphics.DrawLine(blackPen, 100, 95, 400, 95);
page.Graphics.DrawString("Dashed", sectionFont, brush, 20, 110);
blackPen.DashPattern = new double[] { 3, 3 };
page.Graphics.DrawLine(blackPen, 100, 115, 400, 115);
page.Graphics.DrawString("Line cap styles:", sectionFont, brush, 20, 150);
page.Graphics.DrawString("Flat", sectionFont, brush, 20, 175);
page.Graphics.DrawLine(bluePen, 100, 180, 400, 180);
blackPen.DashPattern = null;
page.Graphics.DrawLine(blackPen, 100, 180, 400, 180);
page.Graphics.DrawString("Square", sectionFont, brush, 20, 195);
bluePen.LineCap = PdfLineCap.Square;
page.Graphics.DrawLine(bluePen, 100, 200, 400, 200);
blackPen.DashPattern = null;
page.Graphics.DrawLine(blackPen, 100, 200, 400, 200);
page.Graphics.DrawString("Round", sectionFont, brush, 20, 215);
bluePen.LineCap = PdfLineCap.Round;
page.Graphics.DrawLine(bluePen, 100, 220, 400, 220);
blackPen.DashPattern = null;
page.Graphics.DrawLine(blackPen, 100, 220, 400, 220);
page.Graphics.DrawString("Line join styles:", sectionFont, brush, 20, 250);
page.Graphics.DrawString("Miter", sectionFont, brush, 20, 280);
PdfPath miterPath = new PdfPath();
miterPath.StartSubpath(150, 320);
miterPath.AddLineTo(250, 260);
miterPath.AddLineTo(350, 320);
bluePen.LineCap = PdfLineCap.Flat;
bluePen.LineJoin = PdfLineJoin.Miter;
page.Graphics.DrawPath(bluePen, miterPath);
page.Graphics.DrawString("Bevel", sectionFont, brush, 20, 360);
PdfPath bevelPath = new PdfPath();
bevelPath.StartSubpath(150, 400);
bevelPath.AddLineTo(250, 340);
bevelPath.AddLineTo(350, 400);
bluePen.LineCap = PdfLineCap.Flat;
bluePen.LineJoin = PdfLineJoin.Bevel;
page.Graphics.DrawPath(bluePen, bevelPath);
page.Graphics.DrawString("Round", sectionFont, brush, 20, 440);
PdfPath roundPath = new PdfPath();
roundPath.StartSubpath(150, 480);
roundPath.AddLineTo(250, 420);
roundPath.AddLineTo(350, 480);
bluePen.LineCap = PdfLineCap.Flat;
bluePen.LineJoin = PdfLineJoin.Round;
page.Graphics.DrawPath(bluePen, roundPath);
page.Graphics.DrawString("Random lines clipped to rectangle", sectionFont, brush, 20, 520);
PdfPath clipPath = new PdfPath();
clipPath.AddRectangle(20, 550, 570, 230);
page.Graphics.SaveGraphicsState();
page.Graphics.SetClip(clipPath);
PdfRgbColor randomColor = new PdfRgbColor();
PdfPen randomPen = new PdfPen(randomColor, 1);
Random rnd = new Random();
for (int i = 0; i < 100; i++)
{
randomColor.R = (byte)rnd.Next(256);
randomColor.G = (byte)rnd.Next(256);
randomColor.B = (byte)rnd.Next(256);
page.Graphics.DrawLine(randomPen, rnd.NextDouble() * page.Width, 550 + rnd.NextDouble() * 250, rnd.NextDouble() * page.Width, 550 + rnd.NextDouble() * 250);
}
page.Graphics.RestoreGraphicsState();
page.Graphics.DrawPath(blackPen, clipPath);
page.Graphics.CompressAndClose();
}
/// <summary>
/// Main method for running the sample.
/// </summary>
public static SampleOutputInfo[] Run(Stream input)
{
PdfBrush brush = new PdfBrush();
PdfPen redPen = new PdfPen(PdfRgbColor.Red, 1);
PdfStandardFont helvetica = new PdfStandardFont(PdfStandardFontFace.Helvetica, 10);
PdfFixedDocument document = new PdfFixedDocument(input);
PdfContentExtractor ce = new PdfContentExtractor(document.Pages[0]);
PdfVisualObjectCollection voc = ce.ExtractVisualObjects(false);
PdfPath contour = null;
for (int i = 0; i < voc.Count; i++)
{
switch (voc[i].Type)
{
case PdfVisualObjectType.Image:
PdfImageVisualObject ivo = voc[i] as PdfImageVisualObject;
contour = new PdfPath();
contour.StartSubpath(ivo.Image.ImageCorners[0].X - 5, ivo.Image.ImageCorners[0].Y + 5);
contour.AddLineTo(ivo.Image.ImageCorners[1].X + 5, ivo.Image.ImageCorners[1].Y + 5);
contour.AddLineTo(ivo.Image.ImageCorners[2].X + 5, ivo.Image.ImageCorners[2].Y - 5);
contour.AddLineTo(ivo.Image.ImageCorners[3].X - 5, ivo.Image.ImageCorners[3].Y - 5);
contour.CloseSubpath();
document.Pages[0].Graphics.DrawPath(redPen, contour);
document.Pages[0].Graphics.DrawString("Image", helvetica, brush,
ivo.Image.ImageCorners[0].X - 5, ivo.Image.ImageCorners[0].Y + 5);
break;
case PdfVisualObjectType.Text:
PdfTextVisualObject tvo = voc[i] as PdfTextVisualObject;
contour = new PdfPath();
contour.StartSubpath(tvo.TextFragment.FragmentCorners[0].X - 5, tvo.TextFragment.FragmentCorners[0].Y + 5);
contour.AddLineTo(tvo.TextFragment.FragmentCorners[1].X + 5, tvo.TextFragment.FragmentCorners[1].Y + 5);
contour.AddLineTo(tvo.TextFragment.FragmentCorners[2].X + 5, tvo.TextFragment.FragmentCorners[2].Y - 5);
contour.AddLineTo(tvo.TextFragment.FragmentCorners[3].X - 5, tvo.TextFragment.FragmentCorners[3].Y - 5);
contour.CloseSubpath();
document.Pages[0].Graphics.DrawPath(redPen, contour);
document.Pages[0].Graphics.DrawString("Text", helvetica, brush,
tvo.TextFragment.FragmentCorners[0].X - 5, tvo.TextFragment.FragmentCorners[0].Y + 5);
break;
case PdfVisualObjectType.Path:
PdfPathVisualObject pvo = voc[i] as PdfPathVisualObject;
// Examine all the path points and determine the minimum rectangle that bounds the path.
double minX = 999999, minY = 999999, maxX = -999999, maxY = -999999;
for (int j = 0; j < pvo.PathItems.Count; j++)
{
PdfPathItem pi = pvo.PathItems[j];
if (pi.Points != null)
{
for (int k = 0; k < pi.Points.Length; k++)
{
if (minX >= pi.Points[k].X)
{
minX = pi.Points[k].X;
}
if (minY >= pi.Points[k].Y)
{
minY = pi.Points[k].Y;
}
if (maxX <= pi.Points[k].X)
{
maxX = pi.Points[k].X;
}
if (maxY <= pi.Points[k].Y)
{
maxY = pi.Points[k].Y;
}
}
}
}
contour = new PdfPath();
contour.StartSubpath(minX - 5, minY - 5);
contour.AddLineTo(maxX + 5, minY - 5);
contour.AddLineTo(maxX + 5, maxY + 5);
contour.AddLineTo(minX - 5, maxY + 5);
contour.CloseSubpath();
document.Pages[0].Graphics.DrawPath(redPen, contour);
document.Pages[0].Graphics.DrawString("Path", helvetica, brush, minX - 5, maxY + 5);
// Skip the rest of path objects, they are the evaluation message
i = voc.Count;
break;
}
}
SampleOutputInfo[] output = new SampleOutputInfo[] { new SampleOutputInfo(document, "xfinium.pdf.sample.pageobjects.pdf") };
return output;
}
/// <summary>
/// Main method for running the sample.
/// </summary>
public static SampleOutputInfo[] Run(Stream input)
{
PdfBrush brush = new PdfBrush();
PdfPen redPen = new PdfPen(PdfRgbColor.Red, 1);
PdfStandardFont helvetica = new PdfStandardFont(PdfStandardFontFace.Helvetica, 10);
PdfFixedDocument document = new PdfFixedDocument(input);
PdfContentExtractor ce = new PdfContentExtractor(document.Pages[0]);
PdfVisualObjectCollection voc = ce.ExtractVisualObjects(false);
PdfPath contour = null;
for (int i = 0; i < voc.Count; i++)
{
switch (voc[i].Type)
{
case PdfVisualObjectType.Image:
PdfImageVisualObject ivo = voc[i] as PdfImageVisualObject;
contour = new PdfPath();
contour.StartSubpath(ivo.Image.ImageCorners[0].X - 5, ivo.Image.ImageCorners[0].Y + 5);
contour.AddLineTo(ivo.Image.ImageCorners[1].X + 5, ivo.Image.ImageCorners[1].Y + 5);
contour.AddLineTo(ivo.Image.ImageCorners[2].X + 5, ivo.Image.ImageCorners[2].Y - 5);
contour.AddLineTo(ivo.Image.ImageCorners[3].X - 5, ivo.Image.ImageCorners[3].Y - 5);
contour.CloseSubpath();
document.Pages[0].Graphics.DrawPath(redPen, contour);
document.Pages[0].Graphics.DrawString("Image", helvetica, brush,
ivo.Image.ImageCorners[0].X - 5, ivo.Image.ImageCorners[0].Y + 5);
break;
case PdfVisualObjectType.Text:
PdfTextVisualObject tvo = voc[i] as PdfTextVisualObject;
contour = new PdfPath();
contour.StartSubpath(tvo.TextFragment.FragmentCorners[0].X - 5, tvo.TextFragment.FragmentCorners[0].Y + 5);
contour.AddLineTo(tvo.TextFragment.FragmentCorners[1].X + 5, tvo.TextFragment.FragmentCorners[1].Y + 5);
contour.AddLineTo(tvo.TextFragment.FragmentCorners[2].X + 5, tvo.TextFragment.FragmentCorners[2].Y - 5);
contour.AddLineTo(tvo.TextFragment.FragmentCorners[3].X - 5, tvo.TextFragment.FragmentCorners[3].Y - 5);
contour.CloseSubpath();
document.Pages[0].Graphics.DrawPath(redPen, contour);
document.Pages[0].Graphics.DrawString("Text", helvetica, brush,
tvo.TextFragment.FragmentCorners[0].X - 5, tvo.TextFragment.FragmentCorners[0].Y + 5);
break;
case PdfVisualObjectType.Path:
PdfPathVisualObject pvo = voc[i] as PdfPathVisualObject;
// Examine all the path points and determine the minimum rectangle that bounds the path.
double minX = 999999, minY = 999999, maxX = -999999, maxY = -999999;
for (int j = 0; j < pvo.PathItems.Count; j++)
{
PdfPathItem pi = pvo.PathItems[j];
if (pi.Points != null)
{
for (int k = 0; k < pi.Points.Length; k++)
{
if (minX >= pi.Points[k].X)
{
minX = pi.Points[k].X;
}
if (minY >= pi.Points[k].Y)
{
minY = pi.Points[k].Y;
}
if (maxX <= pi.Points[k].X)
{
maxX = pi.Points[k].X;
}
if (maxY <= pi.Points[k].Y)
{
maxY = pi.Points[k].Y;
}
}
}
}
contour = new PdfPath();
contour.StartSubpath(minX - 5, minY - 5);
contour.AddLineTo(maxX + 5, minY - 5);
contour.AddLineTo(maxX + 5, maxY + 5);
contour.AddLineTo(minX - 5, maxY + 5);
contour.CloseSubpath();
document.Pages[0].Graphics.DrawPath(redPen, contour);
document.Pages[0].Graphics.DrawString("Path", helvetica, brush, minX - 5, maxY + 5);
// Skip the rest of path objects, they are the evaluation message
i = voc.Count;
break;
}
}
SampleOutputInfo[] output = new SampleOutputInfo[] { new SampleOutputInfo(document, "xfinium.pdf.sample.pageobjects.pdf") };
return(output);
}
