← Back
Editing: LineDemo.cs
/* * << Haru Free PDF Library 2.0.5 >> -- LineDemo.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 LineDemo { private static void DrawLine(HPdfPage page, float x, float y, string label) { page.BeginText(); page.MoveTextPos(x, y - 10); page.ShowText(label); page.EndText(); page.MoveTo(x, y - 15); page.LineTo(x + 220, y - 15); page.Stroke(); } private static void DrawLine2(HPdfPage page, float x, float y, string label) { page.BeginText(); page.MoveTextPos(x, y); page.ShowText(label); page.EndText(); page.MoveTo(x + 30, y - 25); page.LineTo(x + 160, y - 25); page.Stroke(); } private static void DrawRect(HPdfPage page, float x, float y, string label) { page.BeginText(); page.MoveTextPos(x, y - 10); page.ShowText(label); page.EndText(); page.Rectangle(x, y - 40, 220, 25); } 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 various 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); } } }
Save File
Cancel