public LabColor(PdfLabColor labColorSpace, float l, float a, float b) : base(ExtendedColor.TYPE_LAB) { this.labColorSpace = labColorSpace; this.l = l; this.a = a; this.b = b; BaseColor altRgbColor = labColorSpace.Lab2Rgb(l, a, b); SetValue(altRgbColor.R, altRgbColor.G, altRgbColor.B, 255); }
private static void DrawColorsAndColorSpaces(PdfPage page, PdfFont titleFont, PdfFont sectionFont, Stream iccStream) { PdfBrush brush = new PdfBrush(); page.Graphics.DrawString("Colors and colorspaces", titleFont, brush, 20, 50); page.Graphics.DrawString("DeviceRGB", sectionFont, brush, 20, 70); PdfPen rgbPen = new PdfPen(PdfRgbColor.DarkRed, 4); PdfBrush rgbBrush = new PdfBrush(PdfRgbColor.LightGoldenrodYellow); page.Graphics.DrawRectangle(rgbPen, rgbBrush, 20, 85, 250, 100); page.Graphics.DrawString("DeviceCMYK", sectionFont, brush, 340, 70); PdfPen cmykPen = new PdfPen(new PdfCmykColor(1, 0.5, 0, 0.1), 4); PdfBrush cmykBrush = new PdfBrush(new PdfCmykColor(0, 0.5, 0.43, 0)); page.Graphics.DrawRectangle(cmykPen, cmykBrush, 340, 85, 250, 100); page.Graphics.DrawString("DeviceGray", sectionFont, brush, 20, 200); PdfPen grayPen = new PdfPen(new PdfGrayColor(0.1), 4); PdfBrush grayBrush = new PdfBrush(new PdfGrayColor(0.75)); page.Graphics.DrawRectangle(grayPen, grayBrush, 20, 215, 250, 100); page.Graphics.DrawString("Indexed", sectionFont, brush, 340, 200); PdfIndexedColorSpace indexedColorSpace = new PdfIndexedColorSpace(); indexedColorSpace.ColorCount = 2; indexedColorSpace.BaseColorSpace = new PdfRgbColorSpace(); indexedColorSpace.ColorTable = new byte[] { 192, 0, 0, 0, 0, 128 }; PdfIndexedColor indexedColor0 = new PdfIndexedColor(indexedColorSpace); indexedColor0.ColorIndex = 0; PdfIndexedColor indexedColor1 = new PdfIndexedColor(indexedColorSpace); indexedColor1.ColorIndex = 1; PdfPen indexedPen = new PdfPen(indexedColor0, 4); PdfBrush indexedBrush = new PdfBrush(indexedColor1); page.Graphics.DrawRectangle(indexedPen, indexedBrush, 340, 215, 250, 100); page.Graphics.DrawString("CalGray", sectionFont, brush, 20, 330); PdfCalGrayColorSpace calGrayColorSpace = new PdfCalGrayColorSpace(); PdfCalGrayColor calGrayColor1 = new PdfCalGrayColor(calGrayColorSpace); calGrayColor1.Gray = 0.6; PdfCalGrayColor calGrayColor2 = new PdfCalGrayColor(calGrayColorSpace); calGrayColor2.Gray = 0.2; PdfPen calGrayPen = new PdfPen(calGrayColor1, 4); PdfBrush calGrayBrush = new PdfBrush(calGrayColor2); page.Graphics.DrawRectangle(calGrayPen, calGrayBrush, 20, 345, 250, 100); page.Graphics.DrawString("CalRGB", sectionFont, brush, 340, 330); PdfCalRgbColorSpace calRgbColorSpace = new PdfCalRgbColorSpace(); PdfCalRgbColor calRgbColor1 = new PdfCalRgbColor(calRgbColorSpace); calRgbColor1.Red = 0.1; calRgbColor1.Green = 0.5; calRgbColor1.Blue = 0.25; PdfCalRgbColor calRgbColor2 = new PdfCalRgbColor(calRgbColorSpace); calRgbColor2.Red = 0.6; calRgbColor2.Green = 0.1; calRgbColor2.Blue = 0.9; PdfPen calRgbPen = new PdfPen(calRgbColor1, 4); PdfBrush calRgbBrush = new PdfBrush(calRgbColor2); page.Graphics.DrawRectangle(calRgbPen, calRgbBrush, 340, 345, 250, 100); page.Graphics.DrawString("L*a*b", sectionFont, brush, 20, 460); PdfLabColorSpace labColorSpace = new PdfLabColorSpace(); PdfLabColor labColor1 = new PdfLabColor(labColorSpace); labColor1.L = 90; labColor1.A = -40; labColor1.B = 120; PdfLabColor labColor2 = new PdfLabColor(labColorSpace); labColor2.L = 45; labColor2.A = 90; labColor2.B = -34; PdfPen labPen = new PdfPen(labColor1, 4); PdfBrush labBrush = new PdfBrush(labColor2); page.Graphics.DrawRectangle(labPen, labBrush, 20, 475, 250, 100); page.Graphics.DrawString("Icc", sectionFont, brush, 340, 460); PdfIccColorSpace iccColorSpace = new PdfIccColorSpace(); byte[] iccData = new byte[iccStream.Length]; iccStream.Read(iccData, 0, iccData.Length); iccColorSpace.IccProfile = iccData; iccColorSpace.AlternateColorSpace = new PdfRgbColorSpace(); iccColorSpace.ColorComponents = 3; PdfIccColor iccColor1 = new PdfIccColor(iccColorSpace); iccColor1.ColorComponents = new double[] { 0.45, 0.1, 0.22 }; PdfIccColor iccColor2 = new PdfIccColor(iccColorSpace); iccColor2.ColorComponents = new double[] { 0.21, 0.76, 0.31 }; PdfPen iccPen = new PdfPen(iccColor1, 4); PdfBrush iccBrush = new PdfBrush(iccColor2); page.Graphics.DrawRectangle(iccPen, iccBrush, 340, 475, 250, 100); page.Graphics.DrawString("Separation", sectionFont, brush, 20, 590); PdfExponentialFunction tintTransform = new PdfExponentialFunction(); tintTransform.Domain = new double[] { 0, 1 }; tintTransform.Range = new double[] { 0, 1, 0, 1, 0, 1, 0, 1 }; tintTransform.Exponent = 1; tintTransform.C0 = new double[] { 0, 0, 0, 0 }; tintTransform.C1 = new double[] { 1, 0.5, 0, 0.1 }; PdfSeparationColorSpace separationColorSpace = new PdfSeparationColorSpace(); separationColorSpace.AlternateColorSpace = new PdfCmykColorSpace(); separationColorSpace.Colorant = "Custom Blue"; separationColorSpace.TintTransform = tintTransform; PdfSeparationColor separationColor1 = new PdfSeparationColor(separationColorSpace); separationColor1.Tint = 0.23; PdfSeparationColor separationColor2 = new PdfSeparationColor(separationColorSpace); separationColor2.Tint = 0.74; PdfPen separationPen = new PdfPen(separationColor1, 4); PdfBrush separationBrush = new PdfBrush(separationColor2); page.Graphics.DrawRectangle(separationPen, separationBrush, 20, 605, 250, 100); page.Graphics.DrawString("Pantone", sectionFont, brush, 340, 590); PdfPen pantonePen = new PdfPen(PdfPantoneColor.ReflexBlue, 4); PdfBrush pantoneBrush = new PdfBrush(PdfPantoneColor.RhodamineRed); page.Graphics.DrawRectangle(pantonePen, pantoneBrush, 340, 605, 250, 100); page.Graphics.CompressAndClose(); }
public virtual void LabSpotBasedGradient() { // step 1 Document document = new Document(PageSize.A3); // step 2 String dest_file = DEST_FOLDER + "/lab_spot_based_gradient.pdf"; PdfWriter writer = PdfWriter.GetInstance(document, new FileStream(dest_file, FileMode.Create)); // step 3 document.Open(); // step 4 PdfContentByte canvas = writer.DirectContent; PdfLabColor pdfLabColor = new PdfLabColor(new float[] { 0.9505f, 1.0f, 1.0890f }, new float[] { 0f, 0.5f, 1.5f }, new float[] { -10, 100, -10, 100 }); PdfDeviceNColor pdfDeviceNNChannelColor = new PdfDeviceNColor(new PdfSpotColor[] { new PdfSpotColor("lab3", pdfLabColor.Rgb2lab(new BaseColor(0, 217, 83))), new PdfSpotColor("labBlue", pdfLabColor.Rgb2lab(new BaseColor(0, 0, 255))) }); PdfSpotColor psc_lab3 = new PdfSpotColor("lab3", pdfLabColor.Rgb2lab(new BaseColor(0, 217, 83))); PdfSpotColor psc_lab2 = new PdfSpotColor("lab2", pdfLabColor.Rgb2lab(new BaseColor(70, 138, 96))); PdfSpotColor psc_lab1 = new PdfSpotColor("lab1", pdfLabColor.Rgb2lab(new BaseColor(255, 0, 0))); PdfSpotColor psc_lab_blue = new PdfSpotColor("labBlue", new BaseColor(0, 0, 100)); PdfDeviceNColor pdfDeviceNNChannelColor2 = new PdfDeviceNColor(new PdfSpotColor[] { psc_lab_blue, psc_lab2, psc_lab1 }); ColorRectangle(canvas, pdfLabColor.Rgb2lab(new BaseColor(0, 0, 255)), 36, 878, 36, 36); ColorRectangle(canvas, pdfLabColor.Rgb2lab(new BaseColor(70, 138, 96)), 90, 878, 36, 36); ColorRectangle(canvas, pdfLabColor.Rgb2lab(new BaseColor(0, 217, 83)), 144, 878, 36, 36); ColorRectangle(canvas, pdfLabColor.Rgb2lab(new BaseColor(0, 50, 50)), 198, 878, 36, 36); ColorRectangle(canvas, pdfLabColor.Rgb2lab(new BaseColor(0, 0, 255)).ToRgb(), 36, 824, 36, 36); ColorRectangle(canvas, pdfLabColor.Rgb2lab(new BaseColor(70, 138, 96)).ToRgb(), 90, 824, 36, 36); ColorRectangle(canvas, pdfLabColor.Rgb2lab(new BaseColor(0, 217, 83)).ToRgb(), 144, 824, 36, 36); ColorRectangle(canvas, pdfLabColor.Rgb2lab(new BaseColor(0, 50, 50)).ToRgb(), 198, 824, 36, 36); ColorRectangle(canvas, new SpotColor(new PdfSpotColor("lab1", pdfLabColor.Rgb2lab(new BaseColor(255, 0, 0))), 1f), 36, 986, 36, 36); ColorRectangle(canvas, new SpotColor(new PdfSpotColor("lab1", pdfLabColor.Rgb2lab(new BaseColor(255, 0, 0))), 0.8f), 90, 986, 36, 36); ColorRectangle(canvas, new SpotColor(new PdfSpotColor("lab1", pdfLabColor.Rgb2lab(new BaseColor(255, 0, 0))), 0.6f), 144, 986, 36, 36); ColorRectangle(canvas, new SpotColor(new PdfSpotColor("lab1", pdfLabColor.Rgb2lab(new BaseColor(255, 0, 0))), 0.2f), 198, 986, 36, 36); ColorRectangle(canvas, new SpotColor(new PdfSpotColor("lab2", pdfLabColor.Rgb2lab(new BaseColor(70, 138, 96))), 1f), 252, 986, 36, 36); ColorRectangle(canvas, new SpotColor(new PdfSpotColor("lab2", pdfLabColor.Rgb2lab(new BaseColor(70, 138, 96))), 0.8f), 306, 986, 36, 36); ColorRectangle(canvas, new SpotColor(new PdfSpotColor("lab2", pdfLabColor.Rgb2lab(new BaseColor(70, 138, 96))), 0.6f), 360, 986, 36, 36); ColorRectangle(canvas, new SpotColor(new PdfSpotColor("lab2", pdfLabColor.Rgb2lab(new BaseColor(70, 138, 96))), 0.2f), 416, 986, 36, 36); ColorRectangle(canvas, new SpotColor(new PdfSpotColor("lab3", pdfLabColor.Rgb2lab(new BaseColor(0, 217, 83))), 1.0f), 470, 986, 36, 36); ColorRectangle(canvas, new SpotColor(new PdfSpotColor("lab3", pdfLabColor.Rgb2lab(new BaseColor(0, 217, 83))), 0.8f), 524, 986, 36, 36); ColorRectangle(canvas, new SpotColor(new PdfSpotColor("lab3", pdfLabColor.Rgb2lab(new BaseColor(0, 217, 83))), 0.6f), 578, 986, 36, 36); ColorRectangle(canvas, new SpotColor(new PdfSpotColor("lab3", pdfLabColor.Rgb2lab(new BaseColor(0, 217, 83))), 0.2f), 634, 986, 36, 36); ColorRectangle(canvas, new SpotColor(new PdfSpotColor("rgb1", new BaseColor(255, 0, 0)), 1f), 36, 932, 36, 36); ColorRectangle(canvas, new SpotColor(new PdfSpotColor("rgb1", new BaseColor(255, 0, 0)), 0.8f), 90, 932, 36, 36); ColorRectangle(canvas, new SpotColor(new PdfSpotColor("rgb1", new BaseColor(255, 0, 0)), 0.6f), 144, 932, 36, 36); ColorRectangle(canvas, new SpotColor(new PdfSpotColor("rgb1", new BaseColor(255, 0, 0)), 0.2f), 198, 932, 36, 36); ColorRectangle(canvas, new SpotColor(new PdfSpotColor("rgb2", new BaseColor(70, 138, 96)), 1f), 252, 932, 36, 36); ColorRectangle(canvas, new SpotColor(new PdfSpotColor("rgb2", new BaseColor(70, 138, 96)), 0.8f), 306, 932, 36, 36); ColorRectangle(canvas, new SpotColor(new PdfSpotColor("rgb2", new BaseColor(70, 138, 96)), 0.6f), 360, 932, 36, 36); ColorRectangle(canvas, new SpotColor(new PdfSpotColor("rgb2", new BaseColor(70, 138, 96)), 0.2f), 416, 932, 36, 36); ColorRectangle(canvas, new SpotColor(new PdfSpotColor("rgb3", new BaseColor(0, 217, 83)), 1.0f), 470, 932, 36, 36); ColorRectangle(canvas, new SpotColor(new PdfSpotColor("rgb3", new BaseColor(0, 217, 83)), 0.8f), 524, 932, 36, 36); ColorRectangle(canvas, new SpotColor(new PdfSpotColor("rgb3", new BaseColor(0, 217, 83)), 0.6f), 578, 932, 36, 36); ColorRectangle(canvas, new SpotColor(new PdfSpotColor("rgb3", new BaseColor(0, 217, 83)), 0.2f), 634, 932, 36, 36); ColorRectangle(canvas, new DeviceNColor(new PdfDeviceNColor(new PdfSpotColor[] { psc_lab2, psc_lab_blue, psc_lab1 }), new float[] { 0, 0.0f, 1 }), 36, 770, 36, 36); ColorRectangle(canvas, new DeviceNColor(pdfDeviceNNChannelColor, new float[] { 0.1f, 0.1f }), 90, 770, 36, 36); ColorRectangle(canvas, new DeviceNColor(pdfDeviceNNChannelColor, new float[] { 0.2f, 0.2f }), 144, 770, 36, 36); ColorRectangle(canvas, new DeviceNColor(pdfDeviceNNChannelColor, new float[] { 0.3f, 0.3f }), 198, 770, 36, 36); ColorRectangle(canvas, new DeviceNColor(pdfDeviceNNChannelColor, new float[] { 0.4f, 0.4f }), 252, 770, 36, 36); ColorRectangle(canvas, new DeviceNColor(new PdfDeviceNColor(new PdfSpotColor[] { psc_lab2, psc_lab_blue, psc_lab1, psc_lab3 }), new float[] { 0.5f, 0.5f, 1, 0.5f }), 306, 770, 36, 36); ColorRectangle(canvas, new DeviceNColor(pdfDeviceNNChannelColor2, new float[] { 0.6f, 0.1f, 0.5f }), 360, 770, 36, 36); ColorRectangle(canvas, new DeviceNColor(pdfDeviceNNChannelColor, new float[] { 0.7f, 0.7f }), 416, 770, 36, 36); ColorRectangle(canvas, new DeviceNColor(pdfDeviceNNChannelColor, new float[] { 0.8f, 0.8f }), 470, 770, 36, 36); ColorRectangle(canvas, new DeviceNColor(new PdfDeviceNColor(new PdfSpotColor[] { psc_lab2, psc_lab_blue, psc_lab1 }), new float[] { 0.9f, 0.9f, 1 }), 524, 770, 36, 36); ColorRectangle(canvas, new DeviceNColor(pdfDeviceNNChannelColor, new float[] { 1, 1 }), 578, 770, 36, 36); canvas.SaveState(); canvas.Rectangle(418, 412, -329, 189); canvas.Clip(); canvas.NewPath(); canvas.SaveState(); canvas.ConcatCTM(329f, 0f, 0f, -329f, 89f, 506.5f); canvas.PaintShading(PdfShading.SimpleAxial(writer, 0, 0, 1, 0, new DeviceNColor(pdfDeviceNNChannelColor, new float[] { 1, 0 }), new DeviceNColor(pdfDeviceNNChannelColor, new float[] { 0, 1 }))); canvas.RestoreState(); canvas.RestoreState(); canvas.SetColorStroke(new DeviceNColor(pdfDeviceNNChannelColor, new float[] { 1, 1 })); canvas.Rectangle(418, 412, -329, 189); canvas.Stroke(); // step 5 document.Close(); CompareTool compareTool = new CompareTool(); String error = compareTool.Compare(dest_file, TEST_RESOURCES_PATH + "cmp_lab_spot_based_gradient.pdf", DEST_FOLDER, "diff"); if (error != null) { Assert.Fail(error); } }