golden hour

/opt/alt/libharu/usr/share/libharu/bindings/c#/demo

File/Folder	Size	Actions
Encryption.cs	1.74 KB
FontDemo.cs	2.99 KB
ImageDemo.cs	5.69 KB
JPFontDemo.cs	5.53 KB
LineDemo.cs	9.57 KB
OutlineDemo.cs	2.99 KB
Permission.cs	1.92 KB
RawImageDemo.cs	3.6 KB
SlideShowDemo.cs	6.67 KB
TextDemo.cs	10.35 KB

Edit: 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);
        }
    }
}