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Editing: TextDemo.cs
/* * << Haru Free PDF Library 2.0.5 >> -- TextDemo.cs * * Copyright (c) 1999-2006 Takeshi Kanno <takeshi_kanno@est.hi-ho.ne.jp> * * Permission to use, copy, modify, distribute and sell this software * and its documentation for any purpose is hereby granted without fee, * provided that the above copyright notice appear in all copies and * that both that copyright notice and this permission notice appear * in supporting documentation. * It is provided "as is" without express or implied warranty. * */ using System; using System.IO; using HPdf; public class TextDemo { private static void ShowStripePattern (HPdfPage page, float x, float y) { int iy = 0; while (iy < 50) { page.SetRGBStroke(0.0f, 0.0f, 0.5f); page.SetLineWidth(1); page.MoveTo(x, y + iy); page.LineTo(x + page.TextWidth("ABCabc123"), y + iy); page.Stroke(); iy += 3; } page.SetLineWidth(2.5f); } private static void ShowDescription (HPdfPage page, float x, float y, string text) { float fsize = page.GetCurrentFontSize(); HPdfFont font = page.GetCurrentFont(); HPdfRGBColor c = page.GetRGBFill(); page.BeginText(); page.SetRGBFill(0, 0, 0); page.SetTextRenderingMode(HPdfTextRenderingMode.HPDF_FILL); page.SetFontAndSize(font, 10); page.TextOut(x, y - 12, text); page.EndText(); page.SetFontAndSize(font, fsize); page.SetRGBFill(c.r, c.g, c.b); } public static void Main() { const string page_title = "Text Demo"; const string samp_text = "abcdefgABCDEFG123!#$%&+-@?"; const string samp_text2 = "The quick brown fox jumps over the lazy dog."; Console.WriteLine("libhpdf-" + HPdfDoc.HPdfGetVersion()); try { HPdfDoc pdf = new HPdfDoc(); pdf.SetCompressionMode(HPdfDoc.HPDF_COMP_ALL); /* create default-font */ HPdfFont font = pdf.GetFont("Helvetica", null); /* add a new page object. */ HPdfPage page = pdf.AddPage(); /*print the title of the page (with positioning center). */ page.SetFontAndSize(font, 24); float tw = page.TextWidth(page_title); page.BeginText(); page.TextOut((page.GetWidth() - tw) / 2, page.GetHeight () - 50, page_title); page.EndText(); page.BeginText(); page.MoveTextPos(60, page.GetHeight() - 60); /* * font size */ float fsize = 8; while (fsize < 60) { /* set style and size of font. */ page.SetFontAndSize(font, fsize); /* set the position of the text. */ page.MoveTextPos(0, -5 - fsize); /* measure the number of characters which included in the page. */ uint tlen = page.MeasureText(samp_text, page.GetWidth() - 120, false); page.ShowText(samp_text.Substring(0, (int)tlen)); /* print the description. */ page.MoveTextPos(0, -10); page.SetFontAndSize(font, 8); page.ShowText("Fontsize=" + fsize); fsize *= 1.5f; } /* * font color */ page.SetFontAndSize(font, 8); page.MoveTextPos(0, -30); page.ShowText("Font color"); page.SetFontAndSize(font, 18); page.MoveTextPos(0, -20); int len = samp_text.Length; for (int i = 0; i < len; i++) { string buf; float r = (float)i / (float)len; float g = 1 - ((float)i / (float)len); buf = samp_text.Substring(i, 1); page.SetRGBFill(r, g, 0); page.ShowText(buf); } page.MoveTextPos(0, -25); for (int i = 0; i < len; i++) { string buf; float r = (float)i / (float)len; float b = 1 - ((float)i / (float)len); buf = samp_text.Substring(i, 1); page.SetRGBFill(r, 0, b); page.ShowText(buf); } page.MoveTextPos(0, -25); for (int i = 0; i < len; i++) { string buf; float b = (float)i / (float)len; float g = 1 - ((float)i / (float)len); buf = samp_text.Substring(i, 1); page.SetRGBFill(0, g, b); page.ShowText(buf); } page.EndText(); int ypos = 450; /* * Font rendering mode */ page.SetFontAndSize(font, 32); page.SetRGBFill(0.5f, 0.5f, 0); page.SetLineWidth(1.5f); /* PDF_FILL */ ShowDescription(page, 60, ypos, "RenderingMode=PDF_FILL"); page.SetTextRenderingMode(HPdfTextRenderingMode.HPDF_FILL); page.BeginText(); page.TextOut(60, ypos, "ABCabc123"); page.EndText(); /*PDF_STROKE */ ShowDescription(page, 60, ypos - 50, "RenderingMode=PDF_STROKE"); page.SetTextRenderingMode(HPdfTextRenderingMode.HPDF_STROKE); page.BeginText(); page.TextOut(60, ypos - 50, "ABCabc123"); page.EndText(); /*PDF_FILL_THEN_STROKE */ ShowDescription(page, 60, ypos - 100, "RenderingMode=PDF_FILL_THEN_STROKE"); page.SetTextRenderingMode(HPdfTextRenderingMode.HPDF_FILL_THEN_STROKE); page.BeginText(); page.TextOut(60, ypos - 100, "ABCabc123"); page.EndText(); /*PDF_FILL_CLIPPING */ ShowDescription(page, 60, ypos - 150, "RenderingMode=PDF_FILL_CLIPPING"); page.GSave(); page.SetTextRenderingMode(HPdfTextRenderingMode.HPDF_FILL_CLIPPING); page.BeginText(); page.TextOut(60, ypos - 150, "ABCabc123"); page.EndText(); ShowStripePattern(page, 60, ypos - 150); page.GRestore(); /*PDF_STROKE_CLIPPING */ ShowDescription(page, 60, ypos - 200, "RenderingMode=PDF_STROKE_CLIPPING"); page.GSave(); page.SetTextRenderingMode(HPdfTextRenderingMode.HPDF_STROKE_CLIPPING); page.BeginText(); page.TextOut(60, ypos - 200, "ABCabc123"); page.EndText(); ShowStripePattern(page, 60, ypos - 200); page.GRestore(); /*PDF_FILL_STROKE_CLIPPING */ ShowDescription(page, 60, ypos - 250, "RenderingMode=PDF_FILL_STROKE_CLIPPING"); page.GSave(); page.SetTextRenderingMode(HPdfTextRenderingMode.HPDF_FILL_STROKE_CLIPPING); page.BeginText(); page.TextOut(60, ypos - 250, "ABCabc123"); page.EndText(); ShowStripePattern(page, 60, ypos - 250); page.GRestore(); /*Reset text attributes */ page.SetTextRenderingMode(HPdfTextRenderingMode.HPDF_FILL); page.SetRGBFill(0, 0, 0); page.SetFontAndSize(font, 30); /* * Rotating text */ float angle1 = 30; /* A rotation of 30 degrees. */ float rad1 = angle1 / 180 * 3.141592f; /* Calculate the radian value. */ ShowDescription(page, 320, ypos - 60, "Rotating text"); page.BeginText(); page.SetTextMatrix((float)Math.Cos(rad1), (float)Math.Sin(rad1), -(float)Math.Sin(rad1), (float)Math.Cos(rad1), 330, ypos - 60); page.ShowText("ABCabc123"); page.EndText(); /* * Skewing text. */ ShowDescription(page, 320, ypos - 120, "Skewing text"); page.BeginText(); angle1 = 10; float angle2 = 20; rad1 = angle1 / 180 * 3.141592f; float rad2 = angle2 / 180 * 3.141592f; page.SetTextMatrix(1, (float)Math.Tan(rad1), (float)Math.Tan(rad2), 1, 320, ypos - 120); page.ShowText("ABCabc123"); page.EndText(); /* * scaling text (X direction) */ ShowDescription(page, 320, ypos - 175, "Scaling text (X direction)"); page.BeginText(); page.SetTextMatrix(1.5f, 0, 0, 1, 320, ypos - 175); page.ShowText("ABCabc12"); page.EndText(); /* * scaling text (Y direction) */ ShowDescription(page, 320, ypos - 250, "Scaling text (Y direction)"); page.BeginText(); page.SetTextMatrix(1, 0, 0, 2, 320, ypos - 250); page.ShowText("ABCabc123"); page.EndText(); /* * char spacing, word spacing */ ShowDescription(page, 60, 140, "char-spacing 0"); ShowDescription(page, 60, 100, "char-spacing 1.5"); ShowDescription(page, 60, 60, "char-spacing 1.5, word-spacing 2.5"); page.SetFontAndSize(font, 20); page.SetRGBFill(0.1f, 0.3f, 0.1f); /*char-spacing 0 */ page.BeginText(); page.TextOut(60, 140, samp_text2); page.EndText(); /*char-spacing 1.5 */ page.SetCharSpace(1.5f); page.BeginText(); page.TextOut(60, 100, samp_text2); page.EndText(); /*char-spacing 1.5, word-spacing 3.5 */ page.SetWordSpace(2.5f); page.BeginText(); page.TextOut(60, 60, samp_text2); page.EndText(); /* save the document to a file */ pdf.SaveToFile("TextDemo.pdf"); } catch (Exception e) { Console.Error.WriteLine(e.Message); } } }
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