private static void DrawBezierCurves(PDFPage page, PDFFont titleFont, PDFFont sectionFont) { PDFBrush brush = new PDFBrush(); PDFPen blackPen = new PDFPen(PDFRgbColor.Black, 1); PDFPen redPen = new PDFPen(PDFRgbColor.Red, 1); PDFBrush blueBrush = new PDFBrush(PDFRgbColor.DarkBlue); PDFRgbColor randomPenColor = new PDFRgbColor(); PDFPen randomPen = new PDFPen(randomPenColor, 1); page.Canvas.DrawString("Bezier curves", titleFont, brush, 20, 50); page.Canvas.DrawLine(blackPen, 20, 210, 600, 210); page.Canvas.DrawLine(blackPen, 306, 70, 306, 350); page.Canvas.DrawRectangle(blueBrush, 39, 339, 2, 2); page.Canvas.DrawRectangle(blueBrush, 279, 79, 2, 2); page.Canvas.DrawRectangle(blueBrush, 499, 299, 2, 2); page.Canvas.DrawRectangle(blueBrush, 589, 69, 2, 2); page.Canvas.DrawBezier(redPen, 40, 340, 280, 80, 500, 300, 590, 70); page.Canvas.DrawString("Random bezier curves clipped to view", sectionFont, brush, 20, 385); PDFPath rectPath = new PDFPath(); rectPath.AddRectangle(20, 400, 570, 300); page.Canvas.SaveGraphicsState(); page.Canvas.SetClip(rectPath); Random rnd = new Random(); for (int i = 0; i < 100; i++) { randomPenColor.R = (byte)rnd.Next(256); randomPenColor.G = (byte)rnd.Next(256); randomPenColor.B = (byte)rnd.Next(256); double x1 = rnd.NextDouble() * page.Width; double y1 = 380 + rnd.NextDouble() * 350; double x2 = rnd.NextDouble() * page.Width; double y2 = 380 + rnd.NextDouble() * 350; double x3 = rnd.NextDouble() * page.Width; double y3 = 380 + rnd.NextDouble() * 350; double x4 = rnd.NextDouble() * page.Width; double y4 = 380 + rnd.NextDouble() * 350; page.Canvas.DrawBezier(randomPen, x1, y1, x2, y2, x3, y3, x4, y4); } page.Canvas.RestoreGraphicsState(); blackPen.DashPattern = null; page.Canvas.DrawPath(blackPen, rectPath); page.Canvas.CompressAndClose(); }
private static void DrawTextWrap(PDFPage page, PDFStandardFont titleFont) { PDFBrush brush = new PDFBrush(); PDFPen redPen = new PDFPen(PDFRgbColor.Red, 0.5); PDFStandardFont helvetica = new PDFStandardFont(PDFStandardFontFace.Helvetica, 12); page.Canvas.DrawString("Text wrapping", titleFont, brush, 20, 50); page.Canvas.DrawLine(redPen, 20, 70, 20, 150); page.Canvas.DrawLine(redPen, 300, 70, 300, 150); page.Canvas.DrawLine(redPen, 20, 70, 300, 70); PDFStringAppearanceOptions sao = new PDFStringAppearanceOptions(); sao.Brush = brush; sao.Font = helvetica; // Height is not set, text has no vertical limit. PDFStringLayoutOptions slo = new PDFStringLayoutOptions(); slo.HorizontalAlign = PDFStringHorizontalAlign.Justified; slo.VerticalAlign = PDFStringVerticalAlign.Top; slo.X = 20; slo.Y = 70; slo.Width = 280; string text = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. " + "Sed vel euismod risus. Fusce viverra, nisi auctor ullamcorper porttitor, " + "ipsum lacus lobortis metus, sit amet dictum lacus velit nec diam. " + "Morbi arcu diam, euismod a auctor nec, aliquam in lectus." + "Ut ultricies iaculis augue sit amet adipiscing. Aenean blandit tortor a nisi " + "dignissim fermentum id adipiscing mauris. Aenean libero turpis, varius nec ultricies " + "faucibus, pretium quis lectus. Morbi mollis lorem vel erat condimentum mattis mollis " + "nulla sollicitudin. Nunc ut massa id felis laoreet feugiat eget at eros."; page.Canvas.DrawString(text, sao, slo); page.Canvas.DrawLine(redPen, 310, 70, 310, 147); page.Canvas.DrawLine(redPen, 590, 70, 590, 147); page.Canvas.DrawLine(redPen, 310, 70, 590, 70); page.Canvas.DrawLine(redPen, 310, 147, 590, 147); // Height is set, text is limited on vertical. slo.X = 310; slo.Y = 70; slo.Width = 280; slo.Height = 77; page.Canvas.DrawString(text, sao, slo); PDFPath clipPath = new PDFPath(); clipPath.AddRectangle(310, 160, 280, 77); page.Canvas.DrawPath(redPen, clipPath); page.Canvas.SaveGraphicsState(); page.Canvas.SetClip(clipPath); // Height is not set but text is cliped on vertical. slo.X = 310; slo.Y = 160; slo.Width = 280; slo.Height = 0; page.Canvas.DrawString(text, sao, slo); page.Canvas.RestoreGraphicsState(); page.Canvas.DrawLine(redPen, 10, 400, 300, 400); page.Canvas.DrawLine(redPen, 20, 300, 20, 500); // Wrapped text is always rotated around top left corner, no matter the text alignment page.Canvas.DrawRectangle(redPen, 20, 400, 280, 80, 30); slo.X = 20; slo.Y = 400; slo.Width = 280; slo.Height = 80; slo.Rotation = 30; page.Canvas.DrawString(text, sao, slo); page.Canvas.DrawLine(redPen, 310, 600, 590, 600); page.Canvas.DrawLine(redPen, 450, 450, 450, 750); // Rotation around the center of the box requires some affine transformations. page.Canvas.SaveGraphicsState(); page.Canvas.TranslateTransform(450, 600); page.Canvas.RotateTransform(30); page.Canvas.DrawRectangle(redPen, -140, -40, 280, 80); slo.X = -140; slo.Y = -40; slo.Width = 280; slo.Height = 80; slo.Rotation = 0; page.Canvas.DrawString(text, sao, slo); page.Canvas.RestoreGraphicsState(); }
private static void DrawShadings(PDFPage page, PDFFont titleFont, PDFFont sectionFont) { PDFBrush brush = new PDFBrush(); PDFPen blackPen = new PDFPen(PDFRgbColor.Black, 1); PDFRgbColor randomPenColor = new PDFRgbColor(); PDFPen randomPen = new PDFPen(randomPenColor, 1); PDFRgbColor randomBrushColor = new PDFRgbColor(); PDFBrush randomBrush = new PDFBrush(randomBrushColor); page.Canvas.DrawString("Shadings", titleFont, brush, 20, 50); page.Canvas.DrawString("Horizontal", sectionFont, brush, 25, 70); PDFAxialShading horizontalShading = new PDFAxialShading(); horizontalShading.StartColor = new PDFRgbColor(255, 0, 0); horizontalShading.EndColor = new PDFRgbColor(0, 0, 255); horizontalShading.StartPoint = new PDFPoint(25, 90); horizontalShading.EndPoint = new PDFPoint(175, 90); // Clip the shading to desired area. PDFPath hsArea = new PDFPath(); hsArea.AddRectangle(25, 90, 150, 150); page.Canvas.SaveGraphicsState(); page.Canvas.SetClip(hsArea); page.Canvas.DrawShading(horizontalShading); page.Canvas.RestoreGraphicsState(); page.Canvas.DrawString("Vertical", sectionFont, brush, 225, 70); PDFAxialShading verticalShading = new PDFAxialShading(); verticalShading.StartColor = new PDFRgbColor(255, 0, 0); verticalShading.EndColor = new PDFRgbColor(0, 0, 255); verticalShading.StartPoint = new PDFPoint(225, 90); verticalShading.EndPoint = new PDFPoint(225, 240); // Clip the shading to desired area. PDFPath vsArea = new PDFPath(); vsArea.AddRectangle(225, 90, 150, 150); page.Canvas.SaveGraphicsState(); page.Canvas.SetClip(vsArea); page.Canvas.DrawShading(verticalShading); page.Canvas.RestoreGraphicsState(); page.Canvas.DrawString("Diagonal", sectionFont, brush, 425, 70); PDFAxialShading diagonalShading = new PDFAxialShading(); diagonalShading.StartColor = new PDFRgbColor(255, 0, 0); diagonalShading.EndColor = new PDFRgbColor(0, 0, 255); diagonalShading.StartPoint = new PDFPoint(425, 90); diagonalShading.EndPoint = new PDFPoint(575, 240); // Clip the shading to desired area. PDFPath dsArea = new PDFPath(); dsArea.AddRectangle(425, 90, 150, 150); page.Canvas.SaveGraphicsState(); page.Canvas.SetClip(dsArea); page.Canvas.DrawShading(diagonalShading); page.Canvas.RestoreGraphicsState(); page.Canvas.DrawString("Extended shading", sectionFont, brush, 25, 260); PDFAxialShading extendedShading = new PDFAxialShading(); extendedShading.StartColor = new PDFRgbColor(255, 0, 0); extendedShading.EndColor = new PDFRgbColor(0, 0, 255); extendedShading.StartPoint = new PDFPoint(225, 280); extendedShading.EndPoint = new PDFPoint(375, 280); extendedShading.ExtendStart = true; extendedShading.ExtendEnd = true; // Clip the shading to desired area. PDFPath esArea = new PDFPath(); esArea.AddRectangle(25, 280, 550, 30); page.Canvas.SaveGraphicsState(); page.Canvas.SetClip(esArea); page.Canvas.DrawShading(extendedShading); page.Canvas.RestoreGraphicsState(); page.Canvas.DrawPath(blackPen, esArea); page.Canvas.DrawString("Limited shading", sectionFont, brush, 25, 330); PDFAxialShading limitedShading = new PDFAxialShading(); limitedShading.StartColor = new PDFRgbColor(255, 0, 0); limitedShading.EndColor = new PDFRgbColor(0, 0, 255); limitedShading.StartPoint = new PDFPoint(225, 350); limitedShading.EndPoint = new PDFPoint(375, 350); limitedShading.ExtendStart = false; limitedShading.ExtendEnd = false; // Clip the shading to desired area. PDFPath lsArea = new PDFPath(); lsArea.AddRectangle(25, 350, 550, 30); page.Canvas.SaveGraphicsState(); page.Canvas.SetClip(lsArea); page.Canvas.DrawShading(limitedShading); page.Canvas.RestoreGraphicsState(); page.Canvas.DrawPath(blackPen, lsArea); page.Canvas.DrawString("Multi-stop shading", sectionFont, brush, 25, 400); // Multi-stop shadings use a stitching function to combine the functions that define each gradient part. // Function for red to blue shading. PDFExponentialFunction redToBlueFunc = new PDFExponentialFunction(); // Linear function redToBlueFunc.Exponent = 1; redToBlueFunc.Domain = new double[] { 0, 1 }; // Red color for start redToBlueFunc.C0 = new double[] { 1, 0, 0 }; // Blue color for start redToBlueFunc.C1 = new double[] { 0, 0, 1 }; // Function for blue to green shading. PDFExponentialFunction blueToGreenFunc = new PDFExponentialFunction(); // Linear function blueToGreenFunc.Exponent = 1; blueToGreenFunc.Domain = new double[] { 0, 1 }; // Blue color for start blueToGreenFunc.C0 = new double[] { 0, 0, 1 }; // Green color for start blueToGreenFunc.C1 = new double[] { 0, 1, 0 }; //Stitching function for the shading. PDFStitchingFunction shadingFunction = new PDFStitchingFunction(); shadingFunction.Functions.Add(redToBlueFunc); shadingFunction.Functions.Add(blueToGreenFunc); shadingFunction.Domain = new double[] { 0, 1 }; shadingFunction.Encode = new double[] { 0, 1, 0, 1 }; // Entire shading goes from 0 to 1 (100%). // We set the first shading (red->blue) to cover 30% (0 - 0.3) and // the second shading to cover 70% (0.3 - 1). shadingFunction.Bounds = new double[] { 0.3 }; // The multistop shading PDFAxialShading multiStopShading = new PDFAxialShading(); multiStopShading.StartPoint = new PDFPoint(25, 420); multiStopShading.EndPoint = new PDFPoint(575, 420); // The colorspace must match the colors specified in C0 & C1 multiStopShading.ColorSpace = new PDFRgbColorSpace(); multiStopShading.Function = shadingFunction; // Clip the shading to desired area. PDFPath mssArea = new PDFPath(); mssArea.AddRectangle(25, 420, 550, 30); page.Canvas.SaveGraphicsState(); page.Canvas.SetClip(mssArea); page.Canvas.DrawShading(multiStopShading); page.Canvas.RestoreGraphicsState(); page.Canvas.DrawPath(blackPen, lsArea); page.Canvas.DrawString("Radial shading", sectionFont, brush, 25, 470); PDFRadialShading rs1 = new PDFRadialShading(); rs1.StartColor = new PDFRgbColor(0, 255, 0); rs1.EndColor = new PDFRgbColor(255, 0, 255); rs1.StartCircleCenter = new PDFPoint(50, 500); rs1.StartCircleRadius = 10; rs1.EndCircleCenter = new PDFPoint(500, 570); rs1.EndCircleRadius = 100; page.Canvas.DrawShading(rs1); PDFRadialShading rs2 = new PDFRadialShading(); rs2.StartColor = new PDFRgbColor(0, 255, 0); rs2.EndColor = new PDFRgbColor(255, 0, 255); rs2.StartCircleCenter = new PDFPoint(80, 600); rs2.StartCircleRadius = 10; rs2.EndCircleCenter = new PDFPoint(110, 690); rs2.EndCircleRadius = 100; page.Canvas.DrawShading(rs2); page.Canvas.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.Canvas.DrawString("Lines", titleFont, brush, 20, 50); page.Canvas.DrawString("Line styles:", sectionFont, brush, 20, 70); page.Canvas.DrawString("Solid", sectionFont, brush, 20, 90); page.Canvas.DrawLine(blackPen, 100, 95, 400, 95); page.Canvas.DrawString("Dashed", sectionFont, brush, 20, 110); blackPen.DashPattern = new double[] { 3, 3 }; page.Canvas.DrawLine(blackPen, 100, 115, 400, 115); page.Canvas.DrawString("Line cap styles:", sectionFont, brush, 20, 150); page.Canvas.DrawString("Flat", sectionFont, brush, 20, 175); page.Canvas.DrawLine(bluePen, 100, 180, 400, 180); blackPen.DashPattern = null; page.Canvas.DrawLine(blackPen, 100, 180, 400, 180); page.Canvas.DrawString("Square", sectionFont, brush, 20, 195); bluePen.LineCap = PDFLineCap.Square; page.Canvas.DrawLine(bluePen, 100, 200, 400, 200); blackPen.DashPattern = null; page.Canvas.DrawLine(blackPen, 100, 200, 400, 200); page.Canvas.DrawString("Round", sectionFont, brush, 20, 215); bluePen.LineCap = PDFLineCap.Round; page.Canvas.DrawLine(bluePen, 100, 220, 400, 220); blackPen.DashPattern = null; page.Canvas.DrawLine(blackPen, 100, 220, 400, 220); page.Canvas.DrawString("Line join styles:", sectionFont, brush, 20, 250); page.Canvas.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.Canvas.DrawPath(bluePen, miterPath); page.Canvas.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.Canvas.DrawPath(bluePen, bevelPath); page.Canvas.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.Canvas.DrawPath(bluePen, roundPath); page.Canvas.DrawString("Random lines clipped to rectangle", sectionFont, brush, 20, 520); PDFPath clipPath = new PDFPath(); clipPath.AddRectangle(20, 550, 570, 230); page.Canvas.SaveGraphicsState(); page.Canvas.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.Canvas.DrawLine(randomPen, rnd.NextDouble() * page.Width, 550 + rnd.NextDouble() * 250, rnd.NextDouble() * page.Width, 550 + rnd.NextDouble() * 250); } page.Canvas.RestoreGraphicsState(); page.Canvas.DrawPath(blackPen, clipPath); page.Canvas.CompressAndClose(); }
private static void DrawArcsAndPies(PDFPage page, PDFFont titleFont, PDFFont sectionFont) { PDFBrush brush = new PDFBrush(); PDFPen blackPen = new PDFPen(PDFRgbColor.Black, 1); PDFPen redPen = new PDFPen(PDFRgbColor.Red, 1); PDFRgbColor randomPenColor = new PDFRgbColor(); PDFPen randomPen = new PDFPen(randomPenColor, 1); PDFRgbColor randomBrushColor = new PDFRgbColor(); PDFBrush randomBrush = new PDFBrush(randomBrushColor); page.Canvas.DrawString("Arcs", titleFont, brush, 20, 50); page.Canvas.DrawString("Pies", titleFont, brush, 310, 50); page.Canvas.DrawLine(blackPen, 20, 210, 300, 210); page.Canvas.DrawLine(blackPen, 160, 70, 160, 350); page.Canvas.DrawLine(blackPen, 310, 210, 590, 210); page.Canvas.DrawLine(blackPen, 450, 70, 450, 350); blackPen.DashPattern = new double[] { 2, 2 }; page.Canvas.DrawLine(blackPen, 20, 70, 300, 350); page.Canvas.DrawLine(blackPen, 20, 350, 300, 70); page.Canvas.DrawLine(blackPen, 310, 70, 590, 350); page.Canvas.DrawLine(blackPen, 310, 350, 590, 70); page.Canvas.DrawArc(redPen, 30, 80, 260, 260, 0, 135); page.Canvas.DrawPie(redPen, 320, 80, 260, 260, 45, 270); page.Canvas.DrawString("Random arcs and pies clipped to view", sectionFont, brush, 20, 385); PDFPath rectPath = new PDFPath(); rectPath.AddRectangle(20, 400, 570, 300); page.Canvas.SaveGraphicsState(); page.Canvas.SetClip(rectPath); Random rnd = new Random(); for (int i = 0; i < 100; i++) { randomPenColor.R = (byte)rnd.Next(256); randomPenColor.G = (byte)rnd.Next(256); randomPenColor.B = (byte)rnd.Next(256); randomBrushColor.R = (byte)rnd.Next(256); randomBrushColor.G = (byte)rnd.Next(256); randomBrushColor.B = (byte)rnd.Next(256); int mode = rnd.Next(4); double left = rnd.NextDouble() * page.Width; double top = 380 + rnd.NextDouble() * 350; double width = rnd.NextDouble() * page.Width; double height = rnd.NextDouble() * 250; double startAngle = rnd.Next(360); double sweepAngle = rnd.Next(360); switch (mode) { case 0: // Stroke arc outline page.Canvas.DrawArc(randomPen, left, top, width, height, startAngle, sweepAngle); break; case 1: // Stroke pie outline page.Canvas.DrawPie(randomPen, left, top, width, height, startAngle, sweepAngle); break; case 2: // Fill pie interior page.Canvas.DrawPie(randomBrush, left, top, width, height, startAngle, sweepAngle); break; case 3: // Stroke and fill pie page.Canvas.DrawPie(randomPen, randomBrush, left, top, width, height, startAngle, sweepAngle); break; } } page.Canvas.RestoreGraphicsState(); blackPen.DashPattern = null; page.Canvas.DrawPath(blackPen, rectPath); page.Canvas.CompressAndClose(); }
private static void DrawRectangles(PDFPage page, PDFFont titleFont, PDFFont sectionFont) { PDFBrush brush = new PDFBrush(); PDFPen blackPen = new PDFPen(PDFRgbColor.Black, 1); PDFPen redPen = new PDFPen(PDFRgbColor.Red, 1); PDFRgbColor randomPenColor = new PDFRgbColor(); PDFPen randomPen = new PDFPen(randomPenColor, 1); PDFRgbColor randomBrushColor = new PDFRgbColor(); PDFBrush randomBrush = new PDFBrush(randomBrushColor); page.Canvas.DrawString("Rectangles", titleFont, brush, 20, 50); page.Canvas.DrawLine(blackPen, 20, 150, 300, 150); page.Canvas.DrawLine(blackPen, 80, 70, 80, 350); page.Canvas.DrawRectangle(redPen, 80, 150, 180, 100); page.Canvas.DrawLine(blackPen, 320, 150, 600, 150); page.Canvas.DrawLine(blackPen, 380, 70, 380, 350); page.Canvas.DrawRectangle(redPen, 380, 150, 180, 100, 30); page.Canvas.DrawString("Random rectangles clipped to view", sectionFont, brush, 20, 385); PDFPath rectPath = new PDFPath(); rectPath.AddRectangle(20, 400, 570, 300); page.Canvas.SaveGraphicsState(); page.Canvas.SetClip(rectPath); Random rnd = new Random(); for (int i = 0; i < 100; i++) { randomPenColor.R = (byte)rnd.Next(256); randomPenColor.G = (byte)rnd.Next(256); randomPenColor.B = (byte)rnd.Next(256); randomBrushColor.R = (byte)rnd.Next(256); randomBrushColor.G = (byte)rnd.Next(256); randomBrushColor.B = (byte)rnd.Next(256); int mode = rnd.Next(3); double left = rnd.NextDouble() * page.Width; double top = 380 + rnd.NextDouble() * 350; double width = rnd.NextDouble() * page.Width; double height = rnd.NextDouble() * 250; double orientation = rnd.Next(360); switch (mode) { case 0: // Stroke rectangle outline page.Canvas.DrawRectangle(randomPen, left, top, width, height, orientation); break; case 1: // Fill rectangle interior page.Canvas.DrawRectangle(randomBrush, left, top, width, height, orientation); break; case 2: // Stroke and fill rectangle page.Canvas.DrawRectangle(randomPen, randomBrush, left, top, width, height, orientation); break; } } page.Canvas.RestoreGraphicsState(); page.Canvas.DrawPath(blackPen, rectPath); page.Canvas.CompressAndClose(); }