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refactoring: GreenshotCore/GreenshotEditor

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git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@731 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
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JKlingen 2010-07-27 20:18:52 +00:00
commit 019b482195
104 changed files with 167 additions and 170 deletions
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GreenshotCore/Helpers/PrintHelper.cs Normal file
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/*
* Greenshot - a free and open source screenshot tool
* Copyright (C) 2007-2010 Thomas Braun, Jens Klingen, Robin Krom
*
* For more information see: http://getgreenshot.org/
* The Greenshot project is hosted on Sourceforge: http://sourceforge.net/projects/greenshot/
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Printing;
using System.Windows.Forms;
using Greenshot.Capturing;
using Greenshot.Configuration;
using Greenshot.Core;
using Greenshot.Forms;
using Greenshot.Plugin;
namespace Greenshot.Helpers {
/// <summary>
/// Description of PrintHelper.
/// </summary>
public class PrintHelper : IDisposable {
private static readonly log4net.ILog LOG = log4net.LogManager.GetLogger(typeof(PrintHelper));
private Image image;
private PrintDocument printDocument = new PrintDocument();
private PrintDialog printDialog = new PrintDialog();
private AppConfig conf = AppConfig.GetInstance();
private PrintOptionsDialog printOptionsDialog = null;
public PrintHelper(Image image, ICaptureDetails captureDetails) {
this.image = image;
printDialog.UseEXDialog = true;
printDocument.DocumentName = FilenameHelper.GetFilenameWithoutExtensionFromPattern(AppConfig.GetInstance().Output_File_FilenamePattern, captureDetails);
printDocument.PrintPage += DrawImageForPrint;
printDialog.Document = printDocument;
}
/**
* Destructor
*/
~PrintHelper() {
Dispose(false);
}
/**
* The public accessible Dispose
* Will call the GarbageCollector to SuppressFinalize, preventing being cleaned twice
*/
public void Dispose() {
Dispose(true);
GC.SuppressFinalize(this);
}
/**
* This Dispose is called from the Dispose and the Destructor.
* When disposing==true all non-managed resources should be freed too!
*/
protected void Dispose(bool disposing) {
if (disposing) {
if(image != null) image.Dispose();
if(printDocument != null) printDocument.Dispose();
if(printDialog != null) printDialog.Dispose();
if(printOptionsDialog != null) printOptionsDialog.Dispose();
}
image = null;
printDocument = null;
printDialog = null;
printOptionsDialog = null;
}
/// <summary>
/// displays options dialog (if not disabled via settings) and windows
/// print dialog.
/// </summary>
/// <returns>printer settings if actually printed, or null if print was cancelled or has failed</returns>
public PrinterSettings PrintWithDialog() {
PrinterSettings ret = null;
if (printDialog.ShowDialog() == DialogResult.OK) {
bool cancelled = false;
printOptionsDialog = new PrintOptionsDialog();
if (conf.Output_Print_PromptOptions == true) {
DialogResult result = printOptionsDialog.ShowDialog();
if(result != DialogResult.OK) {
cancelled = true;
}
}
try {
if(!cancelled) {
printDocument.Print();
ret = printDialog.PrinterSettings;
}
} catch(Exception e) {
LOG.Error("An error ocurred while trying to print", e);
ILanguage lang = Language.GetInstance();
MessageBox.Show(lang.GetString(LangKey.print_error), lang.GetString(LangKey.error));
}
}
image.Dispose();
image = null;
return ret;
}
void DrawImageForPrint(object sender, PrintPageEventArgs e) {
PrintOptionsDialog pod = printOptionsDialog;
ContentAlignment alignment = pod.AllowPrintCenter ? ContentAlignment.MiddleCenter : ContentAlignment.TopLeft;
RectangleF pageRect = e.PageSettings.PrintableArea;
GraphicsUnit gu = GraphicsUnit.Pixel;
RectangleF imageRect = image.GetBounds(ref gu);
// rotate the image if it fits the page better
if(pod.AllowPrintRotate) {
if((pageRect.Width > pageRect.Height && imageRect.Width < imageRect.Height) ||
(pageRect.Width < pageRect.Height && imageRect.Width > imageRect.Height)) {
image.RotateFlip(RotateFlipType.Rotate90FlipNone);
imageRect = image.GetBounds(ref gu);
if(alignment.Equals(ContentAlignment.TopLeft)) alignment = ContentAlignment.TopRight;
}
}
RectangleF printRect = new RectangleF(0,0,imageRect.Width, imageRect.Height);;
// scale the image to fit the page better
if(pod.AllowPrintEnlarge || pod.AllowPrintShrink) {
SizeF resizedRect = ScaleHelper.GetScaledSize(imageRect.Size,pageRect.Size,false);
if((pod.AllowPrintShrink && resizedRect.Width < printRect.Width) ||
pod.AllowPrintEnlarge && resizedRect.Width > printRect.Width) {
printRect.Size = resizedRect;
}
}
// prepare timestamp
float dateStringWidth = 0;
float dateStringHeight = 0;
if (conf.Output_Print_Timestamp == true) {
Font f = new Font(FontFamily.GenericSansSerif, 10, FontStyle.Regular);
string dateString = DateTime.Now.ToLongDateString() + " " + DateTime.Now.ToLongTimeString();
dateStringWidth = e.Graphics.MeasureString(dateString, f).Width;
dateStringHeight = e.Graphics.MeasureString(dateString, f).Height;
e.Graphics.DrawString(dateString, f, Brushes.Black, pageRect.Width / 2 - (dateStringWidth / 2), pageRect.Height - dateStringHeight);
}
// align the image
printRect = ScaleHelper.GetAlignedRectangle(printRect, new RectangleF(0, 0, pageRect.Width, pageRect.Height - dateStringHeight * 2), alignment);
e.Graphics.DrawImage(image,printRect,imageRect,GraphicsUnit.Pixel);
}
}
}