protected virtual void InitDrawDestination()
{
drawDestination = this.picOutput.CreateGraphics();
ipHDC = drawDestination.GetHdc();
tmpWorksheet = new Worksheet();
imageMetaFile.Dispose();
imageMetaFile = new Metafile(ipHDC,new Rectangle(0,0,worksheet.GetWorksheetWidth(),worksheet.GetWorksheetHeight()),System.Drawing.Imaging.MetafileFrameUnit.Pixel);//System.Drawing.Imaging.EmfType.EmfPlusDual); // open created empty emf file
drawDestination = Graphics.FromImage(imageMetaFile);
tmpWorksheet.EnableFootLine = true;
tmpWorksheet.Width = worksheet.GetWorksheetWidth();
tmpWorksheet.Height = worksheet.GetWorksheetHeight();
tmpWorksheet.SetMargins(0,0,0,0);
tmpWorksheet.EnableFootLine = false;
drawDestination.Clear(Color.White);
drawDestination.SmoothingMode = imageSmoothingMode; // set image quality
drawDestination.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit;
}
protected virtual void LoadFile(string filename, bool showInProgram)
{
string s = String.Empty;
string[] temp;
temp = filename.Split('\\'); // get filename
lastOpenedFile = filename;
sourceFileWatch.Path = System.IO.Directory.GetParent(lastOpenedFile).FullName;
Worksheet.InitFootLine();
Worksheet tmpWorksheet = new Worksheet(); // create temporary worksheet without margins for screen otput
tmpWorksheet.Width = worksheet.GetWorksheetWidth();
tmpWorksheet.Height = worksheet.GetWorksheetHeight();
tmpWorksheet.EnableFootLine = false;
tmpWorksheet.SetMargins(0,0,0,0);
if (showInProgram == true){
this.stbpFile.Text = temp[temp.Length-1];
Worksheet.FileName = temp[temp.Length - 1];
this.rtbMscEditor.MarkedRow = 0;
this.rtbMscEditor.LoadFile(lastOpenedFile,RichTextBoxStreamType.PlainText);
this.tlbbSaveText.Enabled = false;
this.umnuSave.Enabled = false;
}
InterpretFile(filename, showInProgram);
this.RtbTextInitUndo();
this.rtbMscEditor.Edited = false;
this.rtbMscEditor.Modified = false;
this.Text = appName + " - " + lastOpenedFile;
if (showInProgram == true){
this.ZoomToPage();
this.CenterPage();
}
}
protected virtual void ExportImage(string filename, string format)
{
try
{
uint pages;
Image exportImage = new Bitmap(this.worksheet.Width, this.worksheet.Height); // create export draw area
Graphics drawDestination = Graphics.FromImage(exportImage);
Graphics grph;
IntPtr ipHDC; //necessary for wmf and emf export
Metafile mf;
//EMetafile ef;
pages = GetPages(); // calculate imageBitmap page count
if (pages > 0) // something to do?
{
if (filename.LastIndexOf('.') >= (filename.Length-4)){
filename = filename.Substring(0,filename.LastIndexOf('.'));
}
for (uint i=1; i<=pages; i++){
switch (format.ToUpper()){ // identify selected format
case "BMP":
drawDestination.Clear(Color.White);
DrawPage(drawDestination,i);
exportImage.Save(filename + "_" + i + ".bmp");
break;
case "GIF":
drawDestination.Clear(Color.White);
DrawPage(drawDestination,i);
exportImage.Save(filename + "_" + i + ".gif",System.Drawing.Imaging.ImageFormat.Gif);
break;
case "JPG":
drawDestination.Clear(Color.White);
DrawPage(drawDestination,i);
exportImage.Save(filename + "_" + i + ".jpg",System.Drawing.Imaging.ImageFormat.Jpeg);
break;
case "PNG":
drawDestination.Clear(Color.White);
DrawPage(drawDestination,i);
exportImage.Save(filename + "_" + i + ".png",System.Drawing.Imaging.ImageFormat.Png);
break;
case "WMF":
drawDestination.Clear(Color.White);
exportImage.Save(filename + "_" + i + ".wmf",System.Drawing.Imaging.ImageFormat.Wmf); // for save as wmf first empty wmf file shall be created
grph = this.CreateGraphics();
ipHDC = grph.GetHdc();
mf = new Metafile(filename + "_" + i + ".wmf", ipHDC); // open created empty wmf file
grph = Graphics.FromImage(mf);
grph.Clear(Color.White);
grph.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.None; // set image quality
grph.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit;
DrawPage(grph,i); // draw imageBitmap direct to wmf file
grph.Dispose();
mf.Dispose();
break;
case "EMF":
drawDestination.Clear(Color.White);
exportImage.Save(filename + "_" + i + ".emf",System.Drawing.Imaging.ImageFormat.Emf); // for save as emf first empty wmf file shall be created
grph = this.CreateGraphics();
ipHDC = grph.GetHdc();
mf = new Metafile(filename + "_" + i + ".emf", ipHDC); // open created empty emf file
grph = Graphics.FromImage(mf);
grph.Clear(Color.White);
grph.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.None; // set image quality
grph.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit;
DrawPage(grph,i); // draw imageBitmap direct to emf file
grph.Dispose();
mf.Dispose();
break;
}
}
}
Worksheet tmpWorksheet = new Worksheet(); // recalculate back line hights for screen output
tmpWorksheet.Width = worksheet.GetWorksheetWidth();
tmpWorksheet.Height = worksheet.GetWorksheetHeight();
tmpWorksheet.SetMargins(0,0,0,0);
drawDestination.Dispose();
exportImage.Dispose();
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
