366 lines
11 KiB
C#
366 lines
11 KiB
C#
/*********************************************************************************************
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* Copyright 2005 - Volian Enterprises, Inc. All rights reserved.
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* Volian Enterprises - Proprietary Information - DO NOT COPY OR DISTRIBUTE
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* ------------------------------------------------------------------------------
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* $Workfile: VG.cs $ $Revision: 2 $
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* $Author: Jsj $ $Date: 2/28/06 1:33p $
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*
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* $History: VG.cs $
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*
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* ***************** Version 2 *****************
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* User: Jsj Date: 2/28/06 Time: 1:33p
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* Updated in $/LibSource/VG
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* updated for X/Y Plots
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*
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* ***************** Version 1 *****************
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* User: Kathy Date: 12/06/05 Time: 12:06p
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* Created in $/LibSource/VG
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*
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* ***************** Version 1 *****************
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* User: Kathy Date: 12/06/05 Time: 12:01p
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* Created in $/LibSource/VG.root/VG
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*********************************************************************************************/
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using System;
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using System.Xml;
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using System.Drawing;
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using System.Text;
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using C1.C1Pdf;
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namespace VG
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{
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/// <summary>
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/// VG is the class representing vector graphics. It provides objects for:
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/// Line, Rectangle, Text, Ellipse, Bitmaps, etc.
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/// VG provides constructors for these objects from coordinate system locations
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/// (such as starting x,y ending x,y, etc), xml and svg.
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/// VG provides output to PDF. (More can be added).
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/// VG data is stored in TWIPS (1440 per inch)
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/// </summary>
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// Temporary page class to store portrait/landscape, Left Margin, Vertical offset, etc
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public class Page
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{
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public bool portrait=true;
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public float LeftMargin=0f;
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public float VertOffset=0f;
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public Page(bool iport, float lm, float voff)
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{
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portrait=iport;
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LeftMargin=lm;
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VertOffset=voff;
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}
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}
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public class VG
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{
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// Values of vector graphics items are stored as twips (1440 twips in an inch)
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public int cx;
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public int cy;
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public int dx;
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public int dy;
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public float lnwid;
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public Page pg;
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public bool MoveAbsolute; // TODO: Not sure what to do with this.
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public VG()
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{
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cx = 0;
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cy = 0;
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dx = 0;
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dy = 0;
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MoveAbsolute = false;
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pg=null;
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}
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public VG(int sx, int sy, int ex, int ey, bool ima, Page ipg)
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{
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cx = sx;
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cy = sy;
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dx = ex;
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dy = ey;
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MoveAbsolute = ima;
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pg=ipg;
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}
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public float ToPoints(float twip)
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{
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float r = ((float)twip) * 0.05f;
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return r;
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}
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public void UpdatePageInfo(Page pa)
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{
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pg.LeftMargin=pa.LeftMargin;
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pg.portrait=pa.portrait; // RHM 20081003 - This had been pg.portrait=pg.portrait
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pg.VertOffset=pa.VertOffset; // RHM 20081003 - This had been pg.VertOffset=pg.VertOffset
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}
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public string AddRTFBUI(string origStr, string bold, string underline, string italics)
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{
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if (bold==""&&underline==""&&italics=="")return origStr;
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StringBuilder sb = new StringBuilder();
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if (bold == "bold")sb.Append("{\\b");
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if (underline == "underline")sb.Append("{\\u");
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if (italics == "italics") sb.Append("{\\i");
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sb.Append(" ");
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sb.Append(origStr);
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if (bold == "bold")sb.Append("}");
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if (underline == "underline")sb.Append("}");
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if (italics == "italics") sb.Append("}");
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return sb.ToString();
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}
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}
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public class VG_Line : VG
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{
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// Line is defined as starting & ending points.
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public VG_Line(int sx, int sy, int ex, int ey, int w, Page ipg)
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{
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cx = sx;
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cy = sy;
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dx = ex;
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dy = ey;
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lnwid = w;
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pg=ipg;
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}
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public VG_Line(XmlElement svg, Page ipg)
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{
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cx = System.Convert.ToInt32(svg.GetAttribute("x1"));
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cy = System.Convert.ToInt32(svg.GetAttribute("y1"));
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dx = System.Convert.ToInt32(svg.GetAttribute("x2"));
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dy = System.Convert.ToInt32(svg.GetAttribute("y2"));
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lnwid = System.Convert.ToInt32(svg.GetAttribute("stroke-width"));
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pg = ipg;
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}
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public void ToPdf(C1PdfDocument pdf)
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{
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float startx = pg.portrait ? (cx + pg.LeftMargin): (pg.VertOffset + cy);
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float starty = pg.portrait ? (cy + pg.VertOffset): (pg.LeftMargin - cx);
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float endx = pg.portrait ? (dx + pg.LeftMargin): (pg.VertOffset + dy);
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float endy = pg.portrait ? (dy + pg.VertOffset): (pg.LeftMargin - dx);
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Pen pn = new Pen(Brushes.Black,ToPoints(lnwid));
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pdf.DrawLine(pn, ToPoints(startx), ToPoints(starty), ToPoints(endx), ToPoints(endy));
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}
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}
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public class VG_Rect : VG
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{
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// Rectangle is defined as starting point & length/width
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public VG_Rect(int sx, int sy, int ex, int ey, int w, Page ipg)
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{
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cx = sx;
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cy = sy;
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dx = ex;
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dy = ey;
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lnwid = w;
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pg = ipg;
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}
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public VG_Rect(XmlElement svg, Page ipg)
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{
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cx = System.Convert.ToInt32(svg.GetAttribute("x"));
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cy = System.Convert.ToInt32(svg.GetAttribute("y"));
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dx = System.Convert.ToInt32(svg.GetAttribute("width"));
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dy = System.Convert.ToInt32(svg.GetAttribute("height"));
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lnwid = System.Convert.ToInt32(svg.GetAttribute("stroke-width"));
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pg = ipg;
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}
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public void ToPdf(C1PdfDocument pdf)
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{
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Pen pn = new Pen(Brushes.Black,ToPoints(lnwid));
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float startx = pg.portrait ? (cx + pg.LeftMargin): (pg.VertOffset + cy) ;
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float starty = pg.portrait ? (cy + pg.VertOffset): (pg.LeftMargin - cx);
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float endx = pg.portrait ? dx: dy;
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float endy = pg.portrait ? dy: dx;
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RectangleF rc = new RectangleF(ToPoints(startx), ToPoints(starty), ToPoints(endx), ToPoints(endy));
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pdf.DrawRectangle(pn,rc);
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}
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}
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public class VG_Image : VG
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{
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private int Scale;
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private string FileName;
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// Image is defined as starting point, scale factor (defaults to 1) & image file name
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public VG_Image(int sx, int sy, int iscale, string fname)
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{
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cx = sx;
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cy = sy;
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Scale = 1;
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FileName = fname;
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}
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public VG_Image(XmlElement svg, Page ipg)
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{
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cx = System.Convert.ToInt32(svg.GetAttribute("x"));
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cy = System.Convert.ToInt32(svg.GetAttribute("y"));
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Scale=1;
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if (svg.HasAttribute("scale")) Scale = System.Convert.ToInt32(svg.GetAttribute("scale"));
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FileName = svg.GetAttribute("bname");
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pg = ipg;
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}
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public void ToPdf(C1PdfDocument pdf)
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{
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Pen pn = new Pen(Brushes.Black,lnwid);
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Bitmap bm = new Bitmap(FileName);
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RectangleF rc = new RectangleF();
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rc.Height = ToPoints((bm.Height*Scale)*4.8f);
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rc.Width = ToPoints((bm.Width*Scale)*4.8f);
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rc.X = ToPoints(pg.LeftMargin+cx);
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rc.Y = ToPoints(pg.VertOffset+cy);
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pdf.DrawImage(bm, rc, ContentAlignment.MiddleCenter, ImageSizeModeEnum.Scale);
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}
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}
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public class VG_Ellipse : VG
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{
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// Ellipse (circle) is defined by a bounding rectangle specified by a coordinate pair, a width, and a height
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public VG_Ellipse(int sx, int sy, int ex, int ey, int w, Page ipg)
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{
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cx = sx;
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cy = sy;
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dx = ex;
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dy = ey;
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lnwid = w;
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pg = ipg;
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}
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public VG_Ellipse(XmlElement svg, Page ipg)
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{
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cx = System.Convert.ToInt32(svg.GetAttribute("cx"));
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cy = System.Convert.ToInt32(svg.GetAttribute("cy"));
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dx = System.Convert.ToInt32(svg.GetAttribute("rx"));
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dy = System.Convert.ToInt32(svg.GetAttribute("ry"));
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lnwid = System.Convert.ToInt32(svg.GetAttribute("stroke-width"));
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pg = ipg;
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}
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public void ToPdf(C1PdfDocument pdf)
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{
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Pen pn = new Pen(Brushes.Black,ToPoints(lnwid));
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pdf.DrawEllipse(pn,ToPoints(pg.LeftMargin+cx), ToPoints(pg.VertOffset+cy), ToPoints(dx), ToPoints(dy));
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}
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}
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public class VG_Text : VG
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{
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private string FontName;
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private int FontSize;
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private string Bold;
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private string Underline;
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private string Italics;
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private string Text;
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// Text is defined by a starting location, attributes & the string
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public VG_Text(int sx, int sy, int fs, string txt, string fn, string ibold, string iunder, string iitalics, Page ipg)
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{
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cx = sx;
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cy = sy;
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FontSize = fs;
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FontName = fn;
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Text = txt;
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Bold = ibold;
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Underline = iunder;
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Italics = iitalics;
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pg = ipg;
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// TODO: The following were in the 16-bit code - we may need to use these, wait and see
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// strokeWidth = stroke;
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// strokeWidthBold = strokebold;
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// ULOffset = UnderlineOffset;
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// ULWidth = UnderlineWidth;
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}
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public VG_Text(XmlElement svg, Page ipg)
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{
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cx = System.Convert.ToInt32(svg.GetAttribute("x"));
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cy = System.Convert.ToInt32(svg.GetAttribute("y"));
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FontSize = System.Convert.ToInt32(svg.GetAttribute("font-size"));
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Bold = svg.GetAttribute("font-weight");
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Underline = svg.GetAttribute("text-decoration");
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Italics = svg.GetAttribute("font-style");
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FontName = svg.GetAttribute("font-family");
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Text = svg.InnerText;
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pg = ipg;
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}
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public void ToPdf(C1PdfDocument pdf)
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{
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Font myfont = new Font(FontName,FontSize);
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RectangleF rc = new RectangleF();
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// the returned value from c1 pdf code is already in points,
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// so need to convert the size.
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rc.Size = pdf.MeasureStringRtf(Text,myfont,500); // TODO: 500 or pagewidth, or what
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rc.X = ToPoints(pg.LeftMargin+cx);
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rc.Y = ToPoints(pg.VertOffset+cy)-FontSize;
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// add bold, underline & italics for entire object.
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string rtfout = AddRTFBUI(Text,Bold,Underline,Italics);
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pdf.DrawStringRtf(rtfout,myfont,Brushes.Black,rc);
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}
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}
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public class VG_Arc : VG
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{
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public Single sweepAngle;
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public Single startAngle;
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public float stX,stY;
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public float rWid,rHgt;
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#if DEBUG
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public static int iColor=0;
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public Color [] myColors={Color.Red,Color.Orange,Color.Yellow,Color.Green,Color.Blue,Color.BlueViolet,Color.Violet};
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#endif
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// Arc is defined by a bounding rectangle specified by a coordinate pair, a width, and a height
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public VG_Arc(float sx, float sy, float width, float hight, float stAngle, float swpAngle, int w, Page ipg)
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{
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stX = sx;
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stY = sy;
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rWid = width;
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rHgt = hight;
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startAngle = stAngle;
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// startAngle = 90;
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sweepAngle = swpAngle;
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// sweepAngle = -45;
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lnwid = w;
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pg = ipg;
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}
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// public VG_Arc(XmlElement svg, Page ipg)
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// {
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// cx = System.Convert.ToInt32(svg.GetAttribute("cx"));
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// cy = System.Convert.ToInt32(svg.GetAttribute("cy"));
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// dx = System.Convert.ToInt32(svg.GetAttribute("rx"));
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// dy = System.Convert.ToInt32(svg.GetAttribute("ry"));
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// lnwid = System.Convert.ToInt32(svg.GetAttribute("stroke-width"));
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// pg = ipg;
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// }
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public void ToPdf(C1PdfDocument pdf)
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{
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// Pen pn = new Pen(Brushes.Black,ToPoints(lnwid));
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#if DEBUG
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Pen pn = new Pen(myColors[iColor],ToPoints(lnwid));
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iColor=(iColor+1)%myColors.Length;
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#else
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Pen pn = new Pen(Color.Black,ToPoints(lnwid));
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#endif
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// PointF startpt = new PointF(stX,stY);
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// SizeF recsize = new SizeF(rWid,rHgt);
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// RectangleF rc = new RectangleF(startpt,recsize);
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float startx = pg.portrait ? (stX + pg.LeftMargin): (pg.VertOffset + stY);
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float starty = pg.portrait ? (stY + pg.VertOffset): (pg.LeftMargin - stX);
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RectangleF rc = new RectangleF(ToPoints(startx),ToPoints(starty),ToPoints(rWid),ToPoints(rHgt));
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// c1pdf.DrawRectangle(pn,rc); //debug
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// c1pdf.DrawArc(new Pen(Color.Black,ToPoints(lnwid)),new RectangleF(stX,stY,rWid,rHgt),startAngle,sweepAngle);
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pdf.DrawArc(pn,rc,startAngle,sweepAngle);
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// c1pdf.DrawArc(new Pen(Color.Black, 4),rc,startAngle,sweepAngle);
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}
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}
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}
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