private void LoadDocument()
{
//Create a new document
Document doc = new Document();
//Add a page to the document
doc.Pages.Add(new Page(4000, 2600));
//Set the page's background
doc.Pages.Last().Background = Colour.FromRgba(35, 127, 255, 0.05);
//Obtain the page's graphics object
Graphics gpr = doc.Pages.Last().Graphics;
//Text samples using default fonts
//To use a custom font in TTF format, supply the path to the font's TTF file to the FontFamily(string) constructor
gpr.FillText(200, 200, "Times-Roman", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.TimesRoman), 120), Colour.FromRgb(0, 0, 0));
gpr.FillText(200, 340, "Times-Bold", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.TimesBold), 120), Colour.FromRgb(127, 127, 127));
gpr.FillText(200, 480, "Times-Italic", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.TimesItalic), 120), Colour.FromRgb(136, 0, 21));
gpr.FillText(200, 620, "Times-BoldItalic", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.TimesBoldItalic), 120), Colour.FromRgb(237, 28, 36));
gpr.FillText(200, 860, "Helvetica", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.Helvetica), 120), Colour.FromRgb(255, 174, 201));
gpr.FillText(200, 1000, "Helvetica-Bold", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.HelveticaBold), 120), Colour.FromRgb(255, 127, 39));
gpr.FillText(200, 1140, "Helvetica-Oblique", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.HelveticaOblique), 120), Colour.FromRgb(255, 242, 0));
gpr.FillText(200, 1280, "Helvetica-BoldOblique", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.HelveticaBoldOblique), 120), Colour.FromRgb(181, 230, 29));
gpr.FillText(200, 1520, "Courier", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.Courier), 120), Colour.FromRgb(34, 177, 76));
gpr.FillText(200, 1660, "Courier-Bold", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.CourierBold), 120), Colour.FromRgb(0, 162, 232));
gpr.FillText(200, 1800, "Courier-Oblique", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.CourierOblique), 120), Colour.FromRgb(112, 146, 190));
gpr.FillText(200, 1940, "Courier-BoldOblique", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.CourierBoldOblique), 120), Colour.FromRgb(63, 72, 204));
gpr.FillText(200, 2180, "Σψμβολ", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.Symbol), 120), Colour.FromRgb(163, 73, 204));
gpr.FillText(200, 2320, "✺❁❐❆✤❉■❇❂❁▼▲", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.ZapfDingbats), 120), Colour.FromRgb(200, 191, 231));
//Text metrics sample
string testString = "VectSharp";
Font timesBI = new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.TimesBoldItalic), 240);
Font.DetailedFontMetrics metrics = timesBI.MeasureTextAdvanced(testString);
gpr.FillText(2000, 500, testString, timesBI, Colour.FromRgb(0, 0, 0), textBaseline: TextBaselines.Baseline);
//Text baseline
gpr.StrokePath(new GraphicsPath().MoveTo(1900, 500).LineTo(2050 + metrics.Width, 500), Colour.FromRgb(237, 28, 36), lineWidth: 5);
gpr.FillText(1880 - gpr.MeasureText("Baseline", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.Helvetica), 50)).Width, 500, "Baseline", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.Helvetica), 50), Colour.FromRgb(237, 28, 36), textBaseline: TextBaselines.Middle);
//Font ascent and descent
gpr.StrokePath(new GraphicsPath().MoveTo(1900, 500 - timesBI.Ascent).LineTo(2100 + metrics.Width, 500 - timesBI.Ascent), Colour.FromRgb(255, 127, 39), lineWidth: 5);
gpr.FillText(2120 + metrics.Width, 500 - timesBI.Ascent, "Ascent", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.Helvetica), 50), Colour.FromRgb(255, 127, 39), textBaseline: TextBaselines.Middle);
gpr.StrokePath(new GraphicsPath().MoveTo(1900, 500 - timesBI.Descent).LineTo(2100 + metrics.Width, 500 - timesBI.Descent), Colour.FromRgb(255, 127, 39), lineWidth: 5);
gpr.FillText(2120 + metrics.Width, 500 - timesBI.Descent, "Descent", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.Helvetica), 50), Colour.FromRgb(255, 127, 39), textBaseline: TextBaselines.Middle);
//Text top and bottom
gpr.StrokePath(new GraphicsPath().MoveTo(1900, 500 - metrics.Top).LineTo(2050 + metrics.Width, 500 - metrics.Top), Colour.FromRgb(0, 162, 232), lineWidth: 5);
gpr.FillText(1880 - gpr.MeasureText("Top", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.Helvetica), 50)).Width, 500 - metrics.Top, "Top", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.Helvetica), 50), Colour.FromRgb(0, 162, 232), textBaseline: TextBaselines.Middle);
gpr.StrokePath(new GraphicsPath().MoveTo(1900, 500 - metrics.Bottom).LineTo(2050 + metrics.Width, 500 - metrics.Bottom), Colour.FromRgb(0, 162, 232), lineWidth: 5);
gpr.FillText(1880 - gpr.MeasureText("Bottom", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.Helvetica), 50)).Width, 500 - metrics.Bottom, "Bottom", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.Helvetica), 50), Colour.FromRgb(0, 162, 232), textBaseline: TextBaselines.Middle);
gpr.StrokePath(new GraphicsPath().MoveTo(2065 + metrics.Width, 520 - metrics.Top).LineTo(2075 + metrics.Width, 500 - metrics.Top).LineTo(2085 + metrics.Width, 520 - metrics.Top).MoveTo(2075 + metrics.Width, 500 - metrics.Top).LineTo(2075 + metrics.Width, 500 - metrics.Bottom).MoveTo(2065 + metrics.Width, 480 - metrics.Bottom).LineTo(2075 + metrics.Width, 500 - metrics.Bottom).LineTo(2085 + metrics.Width, 480 - metrics.Bottom), Colour.FromRgb(0, 162, 232), lineWidth: 5);
//Text width
gpr.StrokePath(new GraphicsPath().MoveTo(2000, 425 - timesBI.Ascent).LineTo(2000, 550 - timesBI.Descent).MoveTo(2000 + metrics.Width, 425 - timesBI.Ascent).LineTo(2000 + metrics.Width, 550 - timesBI.Descent), Colour.FromRgb(63, 72, 204), lineWidth: 5);
gpr.StrokePath(new GraphicsPath().MoveTo(2020, 390 - timesBI.Ascent).LineTo(2000, 400 - timesBI.Ascent).LineTo(2020, 410 - timesBI.Ascent).MoveTo(2000, 400 - timesBI.Ascent).LineTo(2000 + metrics.Width, 400 - timesBI.Ascent).MoveTo(1980 + metrics.Width, 390 - timesBI.Ascent).LineTo(2000 + metrics.Width, 400 - timesBI.Ascent).LineTo(1980 + metrics.Width, 410 - timesBI.Ascent), Colour.FromRgb(63, 72, 204), lineWidth: 5);
gpr.FillText(2000 + metrics.Width / 2 - gpr.MeasureText("Width", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.Helvetica), 50)).Width / 2, 380 - timesBI.Ascent, "Width", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.Helvetica), 50), Colour.FromRgb(63, 72, 204), textBaseline: TextBaselines.Bottom);
//Left- and right-side bearing
gpr.StrokePath(new GraphicsPath().MoveTo(2000 - metrics.LeftSideBearing, 450 - timesBI.Ascent).LineTo(2000 - metrics.LeftSideBearing, 550 - timesBI.Descent).MoveTo(2000 + metrics.Width + metrics.RightSideBearing, 450 - timesBI.Ascent).LineTo(2000 + metrics.Width + metrics.RightSideBearing, 550 - timesBI.Descent), Colour.FromRgb(163, 73, 204), lineWidth: 5);
gpr.StrokePath(new GraphicsPath().MoveTo(2000, 565 - timesBI.Descent).LineTo(2000, 585 - timesBI.Descent).MoveTo(2000, 575 - timesBI.Descent).LineTo(2000 - metrics.LeftSideBearing, 575 - timesBI.Descent).MoveTo(2000 - metrics.LeftSideBearing, 565 - timesBI.Descent).LineTo(2000 - metrics.LeftSideBearing, 585 - timesBI.Descent), Colour.FromRgb(163, 73, 204), lineWidth: 5);
gpr.StrokePath(new GraphicsPath().MoveTo(2000 + metrics.Width + metrics.RightSideBearing, 565 - timesBI.Descent).LineTo(2000 + metrics.Width + metrics.RightSideBearing, 585 - timesBI.Descent).MoveTo(2000 + metrics.Width + metrics.RightSideBearing, 575 - timesBI.Descent).LineTo(2000 + metrics.Width, 575 - timesBI.Descent).MoveTo(2000 + metrics.Width, 565 - timesBI.Descent).LineTo(2000 + metrics.Width, 585 - timesBI.Descent), Colour.FromRgb(163, 73, 204), lineWidth: 5);
gpr.FillText(2000, 600 - timesBI.Descent, "Left-side bearing", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.Helvetica), 50), Colour.FromRgb(163, 73, 164));
gpr.FillText(2000 + metrics.Width - gpr.MeasureText("Right-side bearing", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.Helvetica), 50)).Width, 600 - timesBI.Descent, "Right-side bearing", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.Helvetica), 50), Colour.FromRgb(163, 73, 164));
//Text metrics sample #2
Font biggerTimes = new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.TimesBoldItalic), 300);
Font.DetailedFontMetrics fMetrics = biggerTimes.MeasureTextAdvanced("f");
Font.DetailedFontMetrics qMetrics = biggerTimes.MeasureTextAdvanced("q");
gpr.StrokePath(new GraphicsPath().MoveTo(2050, 1200).LineTo(2750 + qMetrics.Width, 1200), Colour.FromRgb(237, 28, 36), lineWidth: 5);
gpr.StrokePath(new GraphicsPath().MoveTo(2050, 1200 - biggerTimes.Ascent).LineTo(2750 + qMetrics.Width, 1200 - biggerTimes.Ascent), Colour.FromRgb(255, 127, 39), lineWidth: 5);
gpr.StrokePath(new GraphicsPath().MoveTo(2050, 1200 - biggerTimes.Descent).LineTo(2750 + qMetrics.Width, 1200 - biggerTimes.Descent), Colour.FromRgb(255, 127, 39), lineWidth: 5);
gpr.StrokePath(new GraphicsPath().MoveTo(2050, 1200 - fMetrics.Top).LineTo(2150 + fMetrics.Width, 1200 - fMetrics.Top), Colour.FromRgb(0, 162, 232), lineWidth: 5);
gpr.StrokePath(new GraphicsPath().MoveTo(2050, 1200 - fMetrics.Bottom).LineTo(2150 + fMetrics.Width, 1200 - fMetrics.Bottom), Colour.FromRgb(0, 162, 232), lineWidth: 5);
gpr.StrokePath(new GraphicsPath().MoveTo(2650, 1200 - qMetrics.Top).LineTo(2750 + qMetrics.Width, 1200 - qMetrics.Top), Colour.FromRgb(0, 162, 232), lineWidth: 5);
gpr.StrokePath(new GraphicsPath().MoveTo(2650, 1200 - qMetrics.Bottom).LineTo(2750 + qMetrics.Width, 1200 - qMetrics.Bottom), Colour.FromRgb(0, 162, 232), lineWidth: 5);
gpr.StrokePath(new GraphicsPath().MoveTo(2100, 1150 - biggerTimes.Ascent).LineTo(2100, 1250 - biggerTimes.Descent), Colour.FromRgb(63, 72, 204), lineWidth: 5);
gpr.StrokePath(new GraphicsPath().MoveTo(2100 + fMetrics.Width, 1150 - biggerTimes.Ascent).LineTo(2100 + fMetrics.Width, 1250 - biggerTimes.Descent), Colour.FromRgb(63, 72, 204), lineWidth: 5);
gpr.StrokePath(new GraphicsPath().MoveTo(2700, 1150 - biggerTimes.Ascent).LineTo(2700, 1250 - biggerTimes.Descent), Colour.FromRgb(63, 72, 204), lineWidth: 5);
gpr.StrokePath(new GraphicsPath().MoveTo(2700 + qMetrics.Width, 1150 - biggerTimes.Ascent).LineTo(2700 + qMetrics.Width, 1250 - biggerTimes.Descent), Colour.FromRgb(63, 72, 204), lineWidth: 5);
gpr.StrokePath(new GraphicsPath().MoveTo(2100 - fMetrics.LeftSideBearing, 1150 - biggerTimes.Ascent).LineTo(2100 - fMetrics.LeftSideBearing, 1250 - biggerTimes.Descent), Colour.FromRgb(163, 73, 164), lineWidth: 5);
gpr.StrokePath(new GraphicsPath().MoveTo(2100 + fMetrics.Width + fMetrics.RightSideBearing, 1150 - biggerTimes.Ascent).LineTo(2100 + fMetrics.Width + fMetrics.RightSideBearing, 1250 - biggerTimes.Descent), Colour.FromRgb(163, 73, 164), lineWidth: 5);
gpr.StrokePath(new GraphicsPath().MoveTo(2700 - qMetrics.LeftSideBearing, 1150 - biggerTimes.Ascent).LineTo(2700 - qMetrics.LeftSideBearing, 1250 - biggerTimes.Descent), Colour.FromRgb(163, 73, 164), lineWidth: 5);
gpr.StrokePath(new GraphicsPath().MoveTo(2700 + qMetrics.Width + qMetrics.RightSideBearing, 1150 - biggerTimes.Ascent).LineTo(2700 + qMetrics.Width + qMetrics.RightSideBearing, 1250 - biggerTimes.Descent), Colour.FromRgb(163, 73, 164), lineWidth: 5);
gpr.FillText(2100, 1200, "f", biggerTimes, Colour.FromRgb(0, 0, 0), textBaseline: TextBaselines.Baseline);
gpr.FillText(2700, 1200, "q", biggerTimes, Colour.FromRgb(0, 0, 0), textBaseline: TextBaselines.Baseline);
//Create a new graphics object
Graphics faceGraphics = new Graphics();
//Scale
faceGraphics.Scale(5, 5);
//Create a new path object
GraphicsPath face = new GraphicsPath();
//Figure start point
face.MoveTo(135.484, 186.221);
//Cubic Beziers (the start point is the current point; two control points and a destination point are provided)
face.CubicBezierTo(119.634, 185.011, 96.762, 211.243, 89.044, 228.362);
face.CubicBezierTo(83.104, 225.903, 76.343, 224.519, 69.141, 224.519);
face.CubicBezierTo(61.986, 224.519, 55.267, 225.884, 49.302, 228.335);
face.CubicBezierTo(42.919, 212.558, 18.514, 185.011, 2.664, 186.221);
face.CubicBezierTo(-2.291, 186.6, 2.727, 212.423, 32.997, 239.883);
face.CubicBezierTo(27.684, 246.062, 24.576, 253.702, 24.576, 262.033);
face.CubicBezierTo(24.576, 282.245, 43.032, 296, 69.141, 296);
face.CubicBezierTo(95.25, 296, 113.705, 282.245, 113.705, 262.033);
face.CubicBezierTo(113.705, 253.662, 110.567, 245.988, 105.176, 239.757);
face.CubicBezierTo(135.614, 211.926, 140.439, 186.6, 135.484, 186.221);
//Close the path
face.Close();
//Fill the path
faceGraphics.FillPath(face, Colour.FromRgb(242, 216, 35));
//Another path
GraphicsPath mouth = new GraphicsPath();
mouth.MoveTo(69.361, 288.088);
mouth.CubicBezierTo(78.235, 288.088, 81.085, 268.837, 81.085, 268.837);
mouth.CubicBezierTo(77.594, 269.597, 72.494, 267.158, 69.084, 267.158);
mouth.CubicBezierTo(66.007, 267.158, 61.554, 269.144, 58.156, 268.97);
mouth.CubicBezierTo(58.156, 268.97, 60.486, 288.088, 69.361, 288.088);
mouth.Close();
faceGraphics.FillPath(mouth, Colour.FromRgb(181, 20, 24));
//Yet another path
GraphicsPath tongue = new GraphicsPath();
tongue.MoveTo(60.305, 278.13);
tongue.CubicBezierTo(61.968, 283.028, 64.795, 288.088, 69.361, 288.088);
tongue.CubicBezierTo(73.931, 288.088, 76.896, 282.985, 78.683, 278.074);
tongue.CubicBezierTo(72.673, 275.222, 66.57, 274.868, 60.305, 278.13);
tongue.Close();
faceGraphics.FillPath(tongue, Colour.FromRgb(237, 27, 36));
//Yet another path
GraphicsPath leftCheek = new GraphicsPath();
leftCheek.MoveTo(41.666, 270.34);
leftCheek.CubicBezierTo(42.67, 275.168, 40.005, 279.806, 35.713, 280.698);
leftCheek.CubicBezierTo(31.421, 281.591, 27.127, 278.4, 26.124, 273.571);
leftCheek.CubicBezierTo(25.12, 268.743, 27.785, 264.105, 32.077, 263.213);
leftCheek.CubicBezierTo(36.369, 262.32, 40.662, 265.511, 41.666, 270.34);
leftCheek.Close();
faceGraphics.FillPath(leftCheek, Colour.FromRgb(235, 28, 34));
//Yet another path
GraphicsPath rightCheek = new GraphicsPath();
rightCheek.MoveTo(96.503, 270.34);
rightCheek.CubicBezierTo(95.499, 275.168, 98.164, 279.806, 102.456, 280.698);
rightCheek.CubicBezierTo(106.748, 281.591, 111.041, 278.4, 112.045, 273.571);
rightCheek.CubicBezierTo(113.049, 268.743, 110.384, 264.105, 106.092, 263.213);
rightCheek.CubicBezierTo(101.8, 262.32, 97.507, 265.511, 96.503, 270.34);
rightCheek.Close();
faceGraphics.FillPath(rightCheek, Colour.FromRgb(235, 28, 34));
//Inline path syntax - mouth
faceGraphics.StrokePath(new GraphicsPath().MoveTo(84.683, 265.03)
.CubicBezierTo(82.771, 272.435, 74.1, 267.158, 69.084, 267.158)
.CubicBezierTo(64.069, 267.158, 55.398, 272.435, 53.486, 265.03)
.MoveTo(58.182, 268.972)
.CubicBezierTo(58.182, 268.972, 60.486, 288.088, 69.361, 288.088)
.CubicBezierTo(78.235, 288.088, 81.059, 268.842, 81.059, 268.842)
.MoveTo(60.31, 278.145)
.CubicBezierTo(66.57, 274.868, 72.673, 275.222, 78.669, 278.114),
Colour.FromRgb(0, 0, 0), lineWidth: 2.5, lineCap: LineCaps.Round);
//Again, inline path syntax - left ear
faceGraphics.FillPath(new GraphicsPath().MoveTo(20.118, 192.906).CubicBezierTo(14.005, 188.531, 7.872, 185.824, 2.664, 186.221).CubicBezierTo(-1.235, 186.519, 1.041, 202.568, 16.932, 222.774).CubicBezierTo(15.793, 212.993, 14.194, 202.11, 20.118, 192.906).Close(), Colour.FromRgb(0, 0, 0));
//Right ear
faceGraphics.FillPath(new GraphicsPath().MoveTo(120.095, 224.029).CubicBezierTo(137.116, 203.05, 139.479, 186.526, 135.484, 186.221).CubicBezierTo(130.041, 185.806, 123.77, 188.626, 117.569, 193.202).CubicBezierTo(122.356, 200.373, 120.978, 212.396, 120.095, 224.029).Close(), Colour.FromRgb(0, 0, 0));
//Nose
faceGraphics.FillPath(new GraphicsPath().MoveTo(71.3, 261.868).CubicBezierTo(71.3, 262.361, 70.308, 262.761, 69.084, 262.761).CubicBezierTo(67.861, 262.761, 66.869, 262.361, 66.869, 261.868).CubicBezierTo(66.869, 261.375, 67.861, 260.975, 69.085, 260.975).CubicBezierTo(70.308, 260.975, 71.3, 261.375, 71.3, 261.868).Close(), Colour.FromRgb(0, 0, 0));
GraphicsPath leftEye = new GraphicsPath();
//Circle
leftEye.Arc(44.875, 252.274, 8.029, 0, 2 * Math.PI);
faceGraphics.FillPath(leftEye, Colour.FromRgb(0, 0, 0));
faceGraphics.FillPath(new GraphicsPath().Arc(45.757, 249.371, 3.567, 0, 2 * Math.PI), Colour.FromRgb(255, 255, 255));
//Right eye
faceGraphics.FillPath(new GraphicsPath().Arc(93.294, 252.274, 8.029, 0, 2 * Math.PI), Colour.FromRgb(0, 0, 0));
faceGraphics.FillPath(new GraphicsPath().Arc(92.412, 249.371, 3.567, 0, 2 * Math.PI), Colour.FromRgb(255, 255, 255));
//Reuse the first path for a stroke
faceGraphics.StrokePath(face, Colour.FromRgb(0, 0, 0), lineWidth: 2.5);
//Copy the graphics object on the main graphics
gpr.DrawGraphics(2000, 1000, faceGraphics);
//Rotation sample
//Save graphics state (e.g. rotation, translation, scale etc.)
gpr.Save();
string[] angles = new string[] { "0", "π/6", "π/3", "π/2", "2π/3", "5π/6", "π", "7π/6", "4π/3", "3π/2", "5π/3", "11π/6" };
for (int i = 0; i < 12; i++)
{
gpr.StrokePath(new GraphicsPath().MoveTo(3400, 1150).LineTo(3550, 1150), Colour.FromRgb(0, 0, 0), lineWidth: 5);
gpr.FillText(3600, 1150, angles[i], new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.TimesBold), 60), Colour.FromRgb(0, 0, 0), textBaseline: TextBaselines.Middle);
//Rotate around a point
gpr.RotateAt(Math.PI / 6, new VectSharp.Point(3400, 1150));
}
//Restore graphics state
gpr.Restore();
//Transparency sample
//Checkerboard
for (int x = 3150; x < 3650; x += 100)
{
for (int y = 1825; y < 2475; y += 100)
{
gpr.FillRectangle(x, y, 50, 50, Colour.FromRgb(220, 220, 220));
gpr.FillRectangle(x + 50, y + 50, 50, 50, Colour.FromRgb(220, 220, 220));
}
}
//Transparent text
gpr.FillText(3400 - gpr.MeasureText("Transparent", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.HelveticaBoldOblique), 80)).Width / 2, 1925, "Transparent", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.HelveticaBoldOblique), 80), Colour.FromRgba(255, 127, 39, 85), textBaseline: TextBaselines.Bottom);
//Transparent stroke
gpr.StrokePath(new GraphicsPath().MoveTo(3175, 1950).LineTo(3625, 1950), Colour.FromRgba(163, 73, 164, 128), lineWidth: 30);
//Transparent fill
gpr.FillPath(new GraphicsPath().Arc(3325, 2300, 150, 0, 2 * Math.PI), Colour.FromRgba((byte)234, (byte)28, (byte)36, (byte)85), tag: "red");
gpr.FillPath(new GraphicsPath().Arc(3400, 2150, 150, 0, 2 * Math.PI), Colour.FromRgba((byte)34, (byte)177, (byte)76, (byte)85));
gpr.FillPath(new GraphicsPath().Arc(3475, 2300, 150, 0, 2 * Math.PI), Colour.FromRgba((byte)0, (byte)162, (byte)232, (byte)85));
//Text fill vs stroke
gpr.FillText(1925, 1450, "Fill", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.HelveticaBoldOblique), 150), Colour.FromRgb(203, 245, 216));
gpr.StrokeText(2325, 1450, "Stroke", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.HelveticaBoldOblique), 150), Colour.FromRgb(34, 177, 76), lineWidth: 6, lineJoin: LineJoins.Round);
//Text can be also added to a graphics path.
GraphicsPath textPath = new GraphicsPath().AddText(1925, 1650, "Fill & stroke", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.HelveticaBoldOblique), 150));
gpr.FillPath(textPath, Colour.FromRgb(203, 245, 216));
gpr.StrokePath(textPath, Colour.FromRgb(34, 177, 76), lineWidth: 6, lineJoin: LineJoins.Round);
//Embedding raster images
//First draw what is going to be the raster image
Page rasterPage = new Page(50, 25);
Graphics rasterGpr = rasterPage.Graphics;
rasterGpr.FillRectangle(10, 0, 4, 4, Colour.FromRgb(237, 28, 36));
rasterGpr.FillRectangle(14, 0, 4, 4, Colour.FromRgb(34, 177, 76));
rasterGpr.FillRectangle(18, 0, 4, 4, Colour.FromRgb(255, 127, 39));
rasterGpr.FillRectangle(22, 0, 4, 4, Colour.FromRgb(0, 162, 232));
rasterGpr.FillRectangle(26, 0, 4, 4, Colour.FromRgb(255, 242, 0));
rasterGpr.FillRectangle(10, 4, 4, 4, Colour.FromRgb(63, 72, 204));
rasterGpr.FillRectangle(14, 4, 4, 4, Colour.FromRgb(255, 201, 14));
rasterGpr.FillRectangle(18, 4, 4, 4, Colour.FromRgb(163, 73, 164));
rasterGpr.FillRectangle(22, 4, 4, 4, Colour.FromRgb(181, 230, 29));
rasterGpr.FillRectangle(26, 4, 4, 4, Colour.FromRgb(128, 128, 128));
rasterGpr.FillText(2, 10, "Raster", new Font(new VectSharp.FontFamily(VectSharp.FontFamily.StandardFontFamilies.Helvetica), 12), Colours.Black);
//Save the raster image to a stream in PNG format
System.IO.MemoryStream rasterStream = new System.IO.MemoryStream();
rasterPage.SaveAsPNG(rasterStream, 2);
//Load the raster image from the stream (we load it twice: once with interpolation enabled and once with interpolation disabled).
RasterImage nonInterpolatedRasterImage = new RasterImageStream(rasterStream, MuPDFCore.InputFileTypes.PNG, interpolate: false);
RasterImage interpolatedRasterImage = new RasterImageStream(rasterStream, MuPDFCore.InputFileTypes.PNG, interpolate: true);
//Create and set clipping path
GraphicsPath clippingPathLeft = new GraphicsPath().MoveTo(1050, 250).LineTo(1275, 250).LineTo(1325, 300).LineTo(1275, 350).LineTo(1325, 400).LineTo(1275, 450).LineTo(1325, 500).LineTo(1275, 550).LineTo(1050, 550).Close();
gpr.Save();
gpr.SetClippingPath(clippingPathLeft);
//Draw the raster image
gpr.DrawRasterImage(1100, 300, 500, 250, nonInterpolatedRasterImage);
//Restore the clipping path
gpr.Restore();
//Create and set the new clipping path
GraphicsPath clippingPathRight = new GraphicsPath().MoveTo(1550, 250).LineTo(1275, 250).LineTo(1325, 300).LineTo(1275, 350).LineTo(1325, 400).LineTo(1275, 450).LineTo(1325, 500).LineTo(1275, 550).LineTo(1550, 550).Close();
gpr.Save();
gpr.SetClippingPath(clippingPathRight);
//Draw the other raster image
gpr.DrawRasterImage(1100, 300, 500, 250, interpolatedRasterImage);
//Restore the clipping path
gpr.Restore();
//Draw a path on the boundary between the clipping paths
GraphicsPath clippingPathTear = new GraphicsPath().MoveTo(1325, 200).LineTo(1275, 250).LineTo(1325, 300).LineTo(1275, 350).LineTo(1325, 400).LineTo(1275, 450).LineTo(1325, 500).LineTo(1275, 550).LineTo(1325, 600);
gpr.StrokePath(clippingPathTear, Colours.Red, 5);
//Interactivity sample (Avalonia only)
//Fill rectangle
gpr.FillRectangle(3100, 1550, 600, 200, Colour.FromRgb(220, 220, 220), tag: "ClickMeRectangle");
//Stroke rectangle (with dashed line)
gpr.StrokeRectangle(3100, 1550, 600, 200, Colour.FromRgb(80, 80, 80), lineWidth: 20, lineDash: new LineDash(60, 60, 0));
//Text
gpr.FillText(3400 - gpr.MeasureText("Click me!", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.HelveticaBold), 80)).Width / 2, 1650, "Click me!", new Font(new FontFamily(VectSharp.FontFamily.StandardFontFamilies.HelveticaBold), 80), Colour.FromRgb(0, 0, 0), textBaseline: TextBaselines.Middle, tag: "ClickMeText");
//Text along a path
GraphicsPath flowPath = new GraphicsPath().Arc(1550, 1100, 300, -7 * Math.PI / 8, -Math.PI / 8);
gpr.StrokePath(flowPath, Colour.FromRgb(220, 220, 220), lineWidth: 10);
gpr.FillTextOnPath(flowPath, "Text on a path!", new Font(new VectSharp.FontFamily(VectSharp.FontFamily.StandardFontFamilies.HelveticaBold), 80), Colour.FromRgb(34, 177, 76), reference: 0.5, anchor: TextAnchors.Center, textBaseline: TextBaselines.Baseline);
//Dictionary associating each tag to the action to perform on the object (Avalonia only)
Dictionary <string, Delegate> taggedActions = new Dictionary <string, Delegate>()
{
{ "ClickMeText", new Action <Control>(block => { block.IsHitTestVisible = false; }) },
{ "ClickMeRectangle", new Action <Path>(path =>
{
path.Cursor = new Avalonia.Input.Cursor(Avalonia.Input.StandardCursorType.Hand);
path.PointerEnter += (sender, e) =>
{
path.Fill = new Avalonia.Media.SolidColorBrush(Avalonia.Media.Color.FromRgb(180, 180, 180));
};
path.PointerLeave += (sender, e) =>
{
path.Fill = new Avalonia.Media.SolidColorBrush(Avalonia.Media.Color.FromRgb(220, 220, 220));
};
path.PointerPressed += (sender, e) =>
{
path.Fill = new Avalonia.Media.SolidColorBrush(Avalonia.Media.Color.FromRgb(128, 128, 128));
};
path.PointerReleased += async(sender, e) =>
{
path.Fill = new Avalonia.Media.SolidColorBrush(Avalonia.Media.Color.FromRgb(180, 180, 180));
Window win = new Window()
{
Width = 300, Height = 150, Title = "Thanks for clicking!", WindowStartupLocation = WindowStartupLocation.CenterOwner, Content = new TextBlock()
{
Text = "Hello world!", HorizontalAlignment = Avalonia.Layout.HorizontalAlignment.Center, VerticalAlignment = Avalonia.Layout.VerticalAlignment.Center, FontSize = 40
}
};
await win.ShowDialog(this);
};
}) },
};
//Save the image as a PNG file
doc.Pages.Last().SaveAsPNG(@"Sample.png");
//Save the image as an SVG file
doc.Pages.Last().SaveAsSVG("Sample.svg");
//Transfer the page onto an Avalonia Canvas object
this.FindControl <Viewbox>("mainViewBox").Child = doc.Pages.Last().PaintToCanvas(taggedActions);
//Add another page to the document (the size of each page can be different)
doc.Pages.Add(new Page(480, 100));
//Write some text on the second page
doc.Pages.Last().Graphics.FillText(20, 50, "This is the second page!", new Font(new VectSharp.FontFamily(VectSharp.FontFamily.StandardFontFamilies.Helvetica), 40), Colour.FromRgb(0, 0, 0), textBaseline: TextBaselines.Middle);
//Create a PDF document
doc.SaveAsPDF(@"Sample.pdf");
}
/// <inheritdoc/>
public Page Render(IScene scene, IEnumerable <ILightSource> lights, Camera camera)
{
Page tbr = new Page(1, 1);
Graphics gpr = tbr.Graphics;
lock (RenderLock)
lock (scene.SceneLock)
{
List <Element3D> sceneElements = new List <Element3D>((scene.SceneElements as IList <Element3D>)?.Count ?? 4);
foreach (Element3D element in scene.SceneElements)
{
if (!(element is Triangle3DElement))
{
sceneElements.Add(element);
}
else if (element is IVectorRendererTriangle3DElement)
{
sceneElements.Add(element);
}
else if (element is Triangle3DElement triangle)
{
sceneElements.Add(new VectorRendererTriangle3DElement(triangle)
{
OverFill = DefaultOverFill
});
}
}
List <Element3D> nonCulled = new List <Element3D>();
foreach (Element3D element in sceneElements)
{
if (!camera.IsCulled(element))
{
if (ResamplingTime == ResamplingTimes.AfterSorting || double.IsNaN(ResamplingMaxSize))
{
nonCulled.Add(element);
}
else
{
nonCulled.AddRange(Resample(camera, element, ResamplingMaxSize));
}
}
}
Dictionary <Element3D, List <Element3D> > allDependencies = new Dictionary <Element3D, List <Element3D> >();
foreach (Element3D el in nonCulled)
{
allDependencies[el] = new List <Element3D>();
el.SetProjection(camera);
}
IList <ILightSource> lightList = lights as IList <ILightSource> ?? lights.ToList();
bool anyShadows = false;
for (int i = 0; i < lightList.Count; i++)
{
if (lightList[i].CastsShadow)
{
anyShadows = true;
break;
}
}
List <Triangle3DElement> shadowers = null;
List <double> noObstructions = new List <double>(lightList.Count);
for (int i = 0; i < lightList.Count; i++)
{
noObstructions.Add(0);
}
;
if (anyShadows)
{
shadowers = new List <Triangle3DElement>();
foreach (Element3D element in sceneElements)
{
if (element is Triangle3DElement triangle)
{
if (triangle.CastsShadow)
{
shadowers.Add(triangle);
}
}
}
}
sbyte[] comparisons = new sbyte[nonCulled.Count * (nonCulled.Count - 1) / 2];
Parallel.For(0, comparisons.Length, k =>
{
int i = (int)Math.Floor((2 * nonCulled.Count - 1 - Math.Sqrt((2 * nonCulled.Count - 1) * (2 * nonCulled.Count - 1) - 8 * k)) / 2);
int j = k - i * (nonCulled.Count - 1) + i * (i - 1) / 2 + i + 1;
comparisons[k] = (sbyte)camera.Compare(nonCulled[i], nonCulled[j]);
});
for (int i = 0; i < nonCulled.Count; i++)
{
for (int j = i + 1; j < nonCulled.Count; j++)
{
int k = i * (nonCulled.Count - 1) - i * (i - 1) / 2 + (j - i - 1);
int comparison = comparisons[k];
if (comparison < 0)
{
allDependencies[nonCulled[j]].Add(nonCulled[i]);
}
else if (comparison > 0)
{
allDependencies[nonCulled[i]].Add(nonCulled[j]);
}
}
}
List <Element3D> sortedElements = TopologicalSorter.Sort(nonCulled, (element, elements) =>
{
List <Element3D> dependencies = allDependencies[element];
return(dependencies);
});
if (ResamplingTime == ResamplingTimes.AfterSorting && !double.IsNaN(ResamplingMaxSize))
{
List <Element3D> resampledElements = new List <Element3D>();
foreach (Element3D element in sortedElements)
{
List <Element3D> resampled = Resample(camera, element, ResamplingMaxSize).ToList();
resampledElements.AddRange(resampled);
}
sortedElements = resampledElements;
Parallel.For(0, sortedElements.Count, i =>
{
sortedElements[i].SetProjection(camera);
});
}
foreach (Element3D element in sortedElements)
{
if (!camera.IsCulled(element))
{
if (element is Point3DElement point)
{
Point pt = element.GetProjection()[0];
GraphicsPath path = new GraphicsPath();
path.Arc(pt, point.Diameter * 0.5, 0, 2 * Math.PI);
gpr.FillPath(path, point.Colour, tag: point.Tag);
}
else if (element is Line3DElement line)
{
GraphicsPath path = new GraphicsPath();
foreach (Point pt in element.GetProjection())
{
path.LineTo(pt);
}
gpr.StrokePath(path, line.Colour, line.Thickness, lineCap: line.LineCap, lineDash: line.LineDash, tag: line.Tag);
}
else if (element is Triangle3DElement triangle && element is IVectorRendererTriangle3DElement vectorRendererTriangle)
{
List <double> triangleObstructions;
if (!anyShadows)
{
triangleObstructions = noObstructions;
}
else
{
triangleObstructions = new List <double>();
for (int i = 0; i < lightList.Count; i++)
{
if (!lightList[i].CastsShadow)
{
triangleObstructions.Add(0);
}
else
{
triangleObstructions.Add(lightList[i].GetObstruction(triangle.Centroid, from el in shadowers where el != triangle && vectorRendererTriangle.Parent != el select el));
}
}
}
foreach (IMaterial fill in triangle.Fill)
{
FillTriangle(gpr, element.GetProjection(), fill.GetColour(triangle.Centroid, triangle.Normal, camera, lightList, triangleObstructions), vectorRendererTriangle.OverFill, camera.ScaleFactor, triangle.Tag);
}
}
}
}
tbr.Crop(camera.TopLeft, camera.Size);
}
return(tbr);
}
