mirror of
https://github.com/greenshot/greenshot
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git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@704 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
167 lines
5.9 KiB
C#
167 lines
5.9 KiB
C#
/*
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* Greenshot - a free and open source screenshot tool
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* Copyright (C) 2007-2010 Thomas Braun, Jens Klingen, Robin Krom
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*
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* For more information see: http://getgreenshot.org/
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* The Greenshot project is hosted on Sourceforge: http://sourceforge.net/projects/greenshot/
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Drawing.Printing;
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using System.Windows.Forms;
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using Greenshot.Capturing;
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using Greenshot.Configuration;
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using Greenshot.Forms;
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using Greenshot.Plugin;
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using GreenshotPlugin.Core;
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namespace Greenshot.Helpers {
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/// <summary>
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/// Description of PrintHelper.
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/// </summary>
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public class PrintHelper : IDisposable {
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private static readonly log4net.ILog LOG = log4net.LogManager.GetLogger(typeof(PrintHelper));
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private Image image;
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private PrintDocument printDocument = new PrintDocument();
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private PrintDialog printDialog = new PrintDialog();
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private AppConfig conf = AppConfig.GetInstance();
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private PrintOptionsDialog printOptionsDialog = null;
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public PrintHelper(Image image, ICaptureDetails captureDetails) {
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this.image = image;
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printDialog.UseEXDialog = true;
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printDocument.DocumentName = FilenameHelper.GetFilenameWithoutExtensionFromPattern(AppConfig.GetInstance().Output_File_FilenamePattern, captureDetails);
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printDocument.PrintPage += DrawImageForPrint;
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printDialog.Document = printDocument;
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}
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/**
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* Destructor
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*/
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~PrintHelper() {
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Dispose(false);
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}
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/**
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* The public accessible Dispose
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* Will call the GarbageCollector to SuppressFinalize, preventing being cleaned twice
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*/
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public void Dispose() {
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Dispose(true);
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GC.SuppressFinalize(this);
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}
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/**
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* This Dispose is called from the Dispose and the Destructor.
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* When disposing==true all non-managed resources should be freed too!
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*/
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protected void Dispose(bool disposing) {
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if (disposing) {
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if(image != null) image.Dispose();
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if(printDocument != null) printDocument.Dispose();
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if(printDialog != null) printDialog.Dispose();
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if(printOptionsDialog != null) printOptionsDialog.Dispose();
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}
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image = null;
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printDocument = null;
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printDialog = null;
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printOptionsDialog = null;
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}
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/// <summary>
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/// displays options dialog (if not disabled via settings) and windows
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/// print dialog.
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/// </summary>
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/// <returns>printer settings if actually printed, or null if print was cancelled or has failed</returns>
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public PrinterSettings PrintWithDialog() {
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PrinterSettings ret = null;
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if (printDialog.ShowDialog() == DialogResult.OK) {
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bool cancelled = false;
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printOptionsDialog = new PrintOptionsDialog();
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if (conf.Output_Print_PromptOptions == true) {
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DialogResult result = printOptionsDialog.ShowDialog();
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if(result != DialogResult.OK) {
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cancelled = true;
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}
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}
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try {
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if(!cancelled) {
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printDocument.Print();
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ret = printDialog.PrinterSettings;
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}
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} catch(Exception e) {
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LOG.Error("An error ocurred while trying to print", e);
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ILanguage lang = Language.GetInstance();
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MessageBox.Show(lang.GetString(LangKey.print_error), lang.GetString(LangKey.error));
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}
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}
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image.Dispose();
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image = null;
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return ret;
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}
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void DrawImageForPrint(object sender, PrintPageEventArgs e) {
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PrintOptionsDialog pod = printOptionsDialog;
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ContentAlignment alignment = pod.AllowPrintCenter ? ContentAlignment.MiddleCenter : ContentAlignment.TopLeft;
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RectangleF pageRect = e.PageSettings.PrintableArea;
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GraphicsUnit gu = GraphicsUnit.Pixel;
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RectangleF imageRect = image.GetBounds(ref gu);
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// rotate the image if it fits the page better
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if(pod.AllowPrintRotate) {
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if((pageRect.Width > pageRect.Height && imageRect.Width < imageRect.Height) ||
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(pageRect.Width < pageRect.Height && imageRect.Width > imageRect.Height)) {
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image.RotateFlip(RotateFlipType.Rotate90FlipNone);
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imageRect = image.GetBounds(ref gu);
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if(alignment.Equals(ContentAlignment.TopLeft)) alignment = ContentAlignment.TopRight;
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}
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}
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RectangleF printRect = new RectangleF(0,0,imageRect.Width, imageRect.Height);;
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// scale the image to fit the page better
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if(pod.AllowPrintEnlarge || pod.AllowPrintShrink) {
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SizeF resizedRect = ScaleHelper.GetScaledSize(imageRect.Size,pageRect.Size,false);
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if((pod.AllowPrintShrink && resizedRect.Width < printRect.Width) ||
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pod.AllowPrintEnlarge && resizedRect.Width > printRect.Width) {
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printRect.Size = resizedRect;
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}
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}
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// prepare timestamp
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float dateStringWidth = 0;
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float dateStringHeight = 0;
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if (conf.Output_Print_Timestamp == true) {
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Font f = new Font(FontFamily.GenericSansSerif, 10, FontStyle.Regular);
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string dateString = DateTime.Now.ToLongDateString() + " " + DateTime.Now.ToLongTimeString();
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dateStringWidth = e.Graphics.MeasureString(dateString, f).Width;
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dateStringHeight = e.Graphics.MeasureString(dateString, f).Height;
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e.Graphics.DrawString(dateString, f, Brushes.Black, pageRect.Width / 2 - (dateStringWidth / 2), pageRect.Height - dateStringHeight);
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}
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// align the image
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printRect = ScaleHelper.GetAlignedRectangle(printRect, new RectangleF(0, 0, pageRect.Width, pageRect.Height - dateStringHeight * 2), alignment);
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e.Graphics.DrawImage(image,printRect,imageRect,GraphicsUnit.Pixel);
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}
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}
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}
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