public static void Main()
{
Console.WriteLine("libhpdf-" + HPdfDoc.HPdfGetVersion());
try {
const string page_title = "LineDemo";
HPdfDoc pdf = new HPdfDoc();
/* create default-font */
HPdfFont font = pdf.GetFont("Helvetica", null);
/* add a new page object. */
HPdfPage page = pdf.AddPage();
/* print the lines of the page. */
page.SetLineWidth(1);
page.Rectangle(50, 50, page.GetWidth() - 100,
page.GetHeight() - 110);
page.Stroke();
/* print the title of the page (with positioning center). */
page.SetFontAndSize(font, 24);
float tw = page.TextWidth(page_title);
page.BeginText();
page.MoveTextPos((page.GetWidth() - tw) / 2,
page.GetHeight() - 50);
page.ShowText(page_title);
page.EndText();
page.SetFontAndSize(font, 10);
/* Draw verious widths of lines. */
page.SetLineWidth(0);
DrawLine(page, 60, 770, "line width = 0");
page.SetLineWidth(1.0f);
DrawLine(page, 60, 740, "line width = 1.0");
page.SetLineWidth(2.0f);
DrawLine(page, 60, 710, "line width = 2.0");
/* Line dash pattern */
ushort[] dash_mode1 = new ushort[] { 3 };
ushort[] dash_mode2 = new ushort[] { 3, 7 };
ushort[] dash_mode3 = new ushort[] { 8, 7, 2, 7 };
page.SetLineWidth(1.0f);
page.SetDash(dash_mode1, 1);
DrawLine(page, 60, 680, "dash_ptn=[3], phase=1 -- 2 on, 3 off, 3 on...");
Console.Error.WriteLine("001");
page.SetDash(dash_mode2, 2);
DrawLine(page, 60, 650, "dash_ptn=[7, 3], phase=2 -- 5 on 3 off, 7 on,...");
page.SetDash(dash_mode3, 0);
DrawLine(page, 60, 620, "dash_ptn=[8, 7, 2, 7], phase=0");
page.SetDash(null, 0);
page.SetLineWidth(30);
page.SetRGBStroke(0.0f, 0.5f, 0.0f);
/* Line Cap Style */
page.SetLineCap(HPdfLineCap.HPDF_BUTT_END);
DrawLine2(page, 60, 570, "HPDF_BUTT_END");
page.SetLineCap(HPdfLineCap.HPDF_ROUND_END);
DrawLine2(page, 60, 505, "HPDF_ROUND_END");
page.SetLineCap(HPdfLineCap.HPDF_PROJECTING_SQUARE_END);
DrawLine2(page, 60, 440, "HPDF_PROJECTING_SQUARE_END");
/* Line Join Style */
page.SetLineWidth(30);
page.SetRGBStroke(0.0f, 0.0f, 0.5f);
page.SetLineJoin(HPdfLineJoin.HPDF_MITER_JOIN);
page.MoveTo(120, 300);
page.LineTo(160, 340);
page.LineTo(200, 300);
page.Stroke();
page.BeginText();
page.MoveTextPos(60, 360);
page.ShowText("HPDF_MITER_JOIN");
page.EndText();
page.SetLineJoin(HPdfLineJoin.HPDF_ROUND_JOIN);
page.MoveTo(120, 195);
page.LineTo(160, 235);
page.LineTo(200, 195);
page.Stroke();
page.BeginText();
page.MoveTextPos(60, 255);
page.ShowText("HPDF_ROUND_JOIN");
page.EndText();
page.SetLineJoin(HPdfLineJoin.HPDF_BEVEL_JOIN);
page.MoveTo(120, 90);
page.LineTo(160, 130);
page.LineTo(200, 90);
page.Stroke();
page.BeginText();
page.MoveTextPos(60, 150);
page.ShowText("HPDF_BEVEL_JOIN");
page.EndText();
/* Draw Rectangle */
page.SetLineWidth(2);
page.SetRGBStroke(0, 0, 0);
page.SetRGBFill(0.75f, 0.0f, 0.0f);
DrawRect(page, 300, 770, "Stroke");
page.Stroke();
DrawRect(page, 300, 720, "Fill");
page.Fill();
DrawRect(page, 300, 670, "Fill then Stroke");
page.FillStroke();
/* Clip Rect */
page.GSave(); /* Save the current graphic state */
DrawRect(page, 300, 620, "Clip Rectangle");
page.Clip();
page.Stroke();
page.SetFontAndSize(font, 13);
page.BeginText();
page.MoveTextPos(290, 600);
page.SetTextLeading(12);
page.ShowText("Clip Clip Clip Clip Clip Clipi Clip Clip Clip");
page.ShowTextNextLine("Clip Clip Clip Clip Clip Clip Clip Clip Clip");
page.ShowTextNextLine("Clip Clip Clip Clip Clip Clip Clip Clip Clip");
page.EndText();
page.GRestore();
/* Curve Example(CurveTo2) */
float x = 330;
float y = 440;
float x1 = 430;
float y1 = 530;
float x2 = 480;
float y2 = 470;
float x3 = 480;
float y3 = 90;
page.SetRGBFill(0, 0, 0);
page.BeginText();
page.MoveTextPos(300, 540);
page.ShowText("CurveTo2(x1, y1, x2. y2)");
page.EndText();
page.BeginText();
page.MoveTextPos(x + 5, y - 5);
page.ShowText("Current point");
page.MoveTextPos(x1 - x, y1 - y);
page.ShowText("(x1, y1)");
page.MoveTextPos(x2 - x1, y2 - y1);
page.ShowText("(x2, y2)");
page.EndText();
page.SetDash(dash_mode1, 0);
page.SetLineWidth(0.5f);
page.MoveTo(x1, y1);
page.LineTo(x2, y2);
page.Stroke();
page.SetDash(null, 0);
page.SetLineWidth(1.5f);
page.MoveTo(x, y);
page.CurveTo2(x1, y1, x2, y2);
page.Stroke();
/* Curve Example(CurveTo3) */
y -= 150;
y1 -= 150;
y2 -= 150;
page.BeginText();
page.MoveTextPos(300, 390);
page.ShowText("CurveTo3(x1, y1, x2. y2)");
page.EndText();
page.BeginText();
page.MoveTextPos(x + 5, y - 5);
page.ShowText("Current point");
page.MoveTextPos(x1 - x, y1 - y);
page.ShowText("(x1, y1)");
page.MoveTextPos(x2 - x1, y2 - y1);
page.ShowText("(x2, y2)");
page.EndText();
page.SetDash(dash_mode1, 0);
page.SetLineWidth(0.5f);
page.MoveTo(x, y);
page.LineTo(x1, y1);
page.Stroke();
page.SetDash(null, 0);
page.SetLineWidth(1.5f);
page.MoveTo(x, y);
page.CurveTo3(x1, y1, x2, y2);
page.Stroke();
/* Curve Example(CurveTo) */
y -= 150;
y1 -= 160;
y2 -= 130;
x2 += 10;
page.BeginText();
page.MoveTextPos(300, 240);
page.ShowText("CurveTo(x1, y1, x2. y2, x3, y3)");
page.EndText();
page.BeginText();
page.MoveTextPos(x + 5, y - 5);
page.ShowText("Current point");
page.MoveTextPos(x1 - x, y1 - y);
page.ShowText("(x1, y1)");
page.MoveTextPos(x2 - x1, y2 - y1);
page.ShowText("(x2, y2)");
page.MoveTextPos(x3 - x2, y3 - y2);
page.ShowText("(x3, y3)");
page.EndText();
page.SetDash(dash_mode1, 0);
page.SetLineWidth(0.5f);
page.MoveTo(x, y);
page.LineTo(x1, y1);
page.Stroke();
page.MoveTo(x2, y2);
page.LineTo(x3, y3);
page.Stroke();
page.SetDash(null, 0);
page.SetLineWidth(1.5f);
page.MoveTo(x, y);
page.CurveTo(x1, y1, x2, y2, x3, y3);
page.Stroke();
pdf.SaveToFile("LineDemo.pdf");
} catch (Exception e) {
Console.Error.WriteLine(e.Message);
}
}