// ===========================================================================
// ©2013-2026 WebSupergoo. All rights reserved.
//
// This source code is for use exclusively with the ABCpdf product with
// which it is distributed, under the terms of the license for that
// product. Details can be found at
//
// http://www.websupergoo.com/
//
// This copyright notice must not be deleted and must be reproduced alongside
// any sections of code extracted from this module.
// ===========================================================================
//#define DISPLAY_TEXT_RECTANGLES
//#define DISPLAY_PRINT_AREA
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Imaging;
using System.Drawing.Printing;
using System.Windows.Forms;
using System.Text.RegularExpressions;
using System.Xml;
using System.IO;
using System.Drawing.Drawing2D;
using WebSupergoo.ABCpdf14;
using WebSupergoo.ABCpdf14.Objects;
namespace ABCpdfControls {
/// <summary>
/// Summary description for PDFControl.
/// </summary>
public class PDFControl : System.Windows.Forms.UserControl {
#region Private types and members
private System.ComponentModel.IContainer components;
private System.Windows.Forms.Button nextPageButton;
private System.Windows.Forms.Button prevPageButton;
private System.Windows.Forms.NumericUpDown dpiNumericUpDown;
private System.Windows.Forms.TextBox pageNumberTextBox;
private System.Windows.Forms.Label dpiLabel;
private System.Windows.Forms.ImageList iconsImageList;
private System.Windows.Forms.ContextMenu zoomContextMenu;
private System.Windows.Forms.MenuItem zoomInMenuItem;
private System.Windows.Forms.MenuItem zoomOutMenuItem;
private System.Windows.Forms.ToolBarButton openToolBarButton;
private System.Windows.Forms.ToolBarButton saveToolBarButton;
private System.Windows.Forms.ToolBarButton toolBarButton1;
private System.Windows.Forms.ToolBarButton printToolBarButton;
private System.Windows.Forms.ToolBarButton toolBarButton2;
private System.Windows.Forms.ToolBarButton toolBarButton3;
private System.Windows.Forms.ToolBarButton textToolBarButton;
private System.Windows.Forms.PictureBox renderedDocPictureBox;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Panel textEditingPanel;
private System.Windows.Forms.TextBox selectedBlockTextBox;
private System.Windows.Forms.Panel layoutPanel;
private System.Windows.Forms.Panel imagePanel;
private System.Windows.Forms.Splitter panelsSplitter;
private System.Windows.Forms.ToolBar toolBar1;
private System.Windows.Forms.Button addTextButton;
private System.Windows.Forms.GroupBox textStyleGroupBox;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.Label label4;
private System.Windows.Forms.CheckBox fitToSelectionCheckBox;
private System.Windows.Forms.NumericUpDown fontSizeNumericUpDown;
private System.Windows.Forms.Label label5;
private System.Windows.Forms.Button fontColorButton;
private System.Windows.Forms.Label label6;
private System.Windows.Forms.ComboBox fontNameComboBox;
private System.Windows.Forms.ToolBarButton selectToolBarButton;
private System.Windows.Forms.ToolBarButton zoomInToolBarButton;
private System.Windows.Forms.ToolBarButton zoomOutToolBarButton;
/// <summary>
/// Type of the tool
/// </summary>
private enum ToolType {
HandTool,
ZoomInTool,
ZoomOutTool,
TextTool,
TextAddTool,
SelectTool
}
private Doc mDoc = null;
private AnnotatedContent mAnnotatedContent = null;
private string mPath = "";
private PrintDocument mPrint = null;
private int mPage = 0;
private int mDotsPerInch = 0;
private int mPageSaved = 0;
private int mCopiesNumber;
private ToolType mCurrentTool = ToolType.HandTool;
private Cursor mZoomInCursor;
private Cursor mZoomOutCursor;
private bool mZoomToolReverted;
private const int kZoomIncrement = 72;
private const int kGrabBarSize = 4;
#endregion
#region Component Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent() {
this.components = new System.ComponentModel.Container();
System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(PDFControl));
this.dpiLabel = new System.Windows.Forms.Label();
this.dpiNumericUpDown = new System.Windows.Forms.NumericUpDown();
this.nextPageButton = new System.Windows.Forms.Button();
this.prevPageButton = new System.Windows.Forms.Button();
this.pageNumberTextBox = new System.Windows.Forms.TextBox();
this.zoomContextMenu = new System.Windows.Forms.ContextMenu();
this.zoomInMenuItem = new System.Windows.Forms.MenuItem();
this.zoomOutMenuItem = new System.Windows.Forms.MenuItem();
this.iconsImageList = new System.Windows.Forms.ImageList(this.components);
this.openToolBarButton = new System.Windows.Forms.ToolBarButton();
this.saveToolBarButton = new System.Windows.Forms.ToolBarButton();
this.toolBarButton1 = new System.Windows.Forms.ToolBarButton();
this.printToolBarButton = new System.Windows.Forms.ToolBarButton();
this.toolBarButton2 = new System.Windows.Forms.ToolBarButton();
this.zoomInToolBarButton = new System.Windows.Forms.ToolBarButton();
this.toolBarButton3 = new System.Windows.Forms.ToolBarButton();
this.textToolBarButton = new System.Windows.Forms.ToolBarButton();
this.toolBar1 = new System.Windows.Forms.ToolBar();
this.zoomOutToolBarButton = new System.Windows.Forms.ToolBarButton();
this.selectToolBarButton = new System.Windows.Forms.ToolBarButton();
this.imagePanel = new System.Windows.Forms.Panel();
this.renderedDocPictureBox = new System.Windows.Forms.PictureBox();
this.panelsSplitter = new System.Windows.Forms.Splitter();
this.textEditingPanel = new System.Windows.Forms.Panel();
this.label4 = new System.Windows.Forms.Label();
this.textStyleGroupBox = new System.Windows.Forms.GroupBox();
this.fontNameComboBox = new System.Windows.Forms.ComboBox();
this.label6 = new System.Windows.Forms.Label();
this.fontColorButton = new System.Windows.Forms.Button();
this.label5 = new System.Windows.Forms.Label();
this.fitToSelectionCheckBox = new System.Windows.Forms.CheckBox();
this.fontSizeNumericUpDown = new System.Windows.Forms.NumericUpDown();
this.label2 = new System.Windows.Forms.Label();
this.addTextButton = new System.Windows.Forms.Button();
this.label1 = new System.Windows.Forms.Label();
this.selectedBlockTextBox = new System.Windows.Forms.TextBox();
this.layoutPanel = new System.Windows.Forms.Panel();
((System.ComponentModel.ISupportInitialize)(this.dpiNumericUpDown)).BeginInit();
this.imagePanel.SuspendLayout();
((System.ComponentModel.ISupportInitialize)(this.renderedDocPictureBox)).BeginInit();
this.textEditingPanel.SuspendLayout();
this.textStyleGroupBox.SuspendLayout();
((System.ComponentModel.ISupportInitialize)(this.fontSizeNumericUpDown)).BeginInit();
this.layoutPanel.SuspendLayout();
this.SuspendLayout();
//
// dpiLabel
//
this.dpiLabel.Anchor = System.Windows.Forms.AnchorStyles.Bottom;
this.dpiLabel.Location = new System.Drawing.Point(28, 423);
this.dpiLabel.Name = "dpiLabel";
this.dpiLabel.Size = new System.Drawing.Size(80, 23);
this.dpiLabel.TabIndex = 11;
this.dpiLabel.Text = "Dots per inch:";
this.dpiLabel.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
this.dpiLabel.Visible = false;
//
// dpiNumericUpDown
//
this.dpiNumericUpDown.Anchor = System.Windows.Forms.AnchorStyles.Bottom;
this.dpiNumericUpDown.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
this.dpiNumericUpDown.Increment = new decimal(new int[] {
72,
0,
0,
0});
this.dpiNumericUpDown.Location = new System.Drawing.Point(108, 424);
this.dpiNumericUpDown.Maximum = new decimal(new int[] {
1000,
0,
0,
0});
this.dpiNumericUpDown.Minimum = new decimal(new int[] {
36,
0,
0,
0});
this.dpiNumericUpDown.Name = "dpiNumericUpDown";
this.dpiNumericUpDown.Size = new System.Drawing.Size(48, 20);
this.dpiNumericUpDown.TabIndex = 10;
this.dpiNumericUpDown.Value = new decimal(new int[] {
72,
0,
0,
0});
this.dpiNumericUpDown.Visible = false;
this.dpiNumericUpDown.ValueChanged += new System.EventHandler(this.dpiNumericUpDown_ValueChanged);
//
// nextPageButton
//
this.nextPageButton.Anchor = System.Windows.Forms.AnchorStyles.Bottom;
this.nextPageButton.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
this.nextPageButton.Location = new System.Drawing.Point(288, 424);
this.nextPageButton.Name = "nextPageButton";
this.nextPageButton.Size = new System.Drawing.Size(24, 20);
this.nextPageButton.TabIndex = 9;
this.nextPageButton.Text = ">";
this.nextPageButton.Visible = false;
this.nextPageButton.Click += new System.EventHandler(this.nextPageButton_Click);
//
// prevPageButton
//
this.prevPageButton.Anchor = System.Windows.Forms.AnchorStyles.Bottom;
this.prevPageButton.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
this.prevPageButton.Location = new System.Drawing.Point(186, 424);
this.prevPageButton.Name = "prevPageButton";
this.prevPageButton.Size = new System.Drawing.Size(24, 20);
this.prevPageButton.TabIndex = 8;
this.prevPageButton.Text = "<";
this.prevPageButton.Visible = false;
this.prevPageButton.Click += new System.EventHandler(this.prevPageButton_Click);
//
// pageNumberTextBox
//
this.pageNumberTextBox.Anchor = System.Windows.Forms.AnchorStyles.Bottom;
this.pageNumberTextBox.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
this.pageNumberTextBox.Location = new System.Drawing.Point(216, 424);
this.pageNumberTextBox.Name = "pageNumberTextBox";
this.pageNumberTextBox.Size = new System.Drawing.Size(66, 20);
this.pageNumberTextBox.TabIndex = 7;
this.pageNumberTextBox.Text = "1 of 1";
this.pageNumberTextBox.TextAlign = System.Windows.Forms.HorizontalAlignment.Center;
this.pageNumberTextBox.Visible = false;
this.pageNumberTextBox.KeyDown += new System.Windows.Forms.KeyEventHandler(this.pageNumberTextBox_KeyDown);
//
// zoomContextMenu
//
this.zoomContextMenu.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
this.zoomInMenuItem,
this.zoomOutMenuItem});
//
// zoomInMenuItem
//
this.zoomInMenuItem.Checked = true;
this.zoomInMenuItem.Index = 0;
this.zoomInMenuItem.Text = "Zoom in";
this.zoomInMenuItem.Click += new System.EventHandler(this.zoomInMenuItem_Click);
//
// zoomOutMenuItem
//
this.zoomOutMenuItem.Index = 1;
this.zoomOutMenuItem.Text = "Zoom out";
this.zoomOutMenuItem.Click += new System.EventHandler(this.zoomOutMenuItem_Click);
//
// iconsImageList
//
this.iconsImageList.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("iconsImageList.ImageStream")));
this.iconsImageList.TransparentColor = System.Drawing.Color.White;
this.iconsImageList.Images.SetKeyName(0, "");
this.iconsImageList.Images.SetKeyName(1, "");
this.iconsImageList.Images.SetKeyName(2, "");
this.iconsImageList.Images.SetKeyName(3, "");
this.iconsImageList.Images.SetKeyName(4, "");
this.iconsImageList.Images.SetKeyName(5, "");
this.iconsImageList.Images.SetKeyName(6, "");
//
// openToolBarButton
//
this.openToolBarButton.ImageIndex = 0;
this.openToolBarButton.Name = "openToolBarButton";
//
// saveToolBarButton
//
this.saveToolBarButton.ImageIndex = 1;
this.saveToolBarButton.Name = "saveToolBarButton";
//
// toolBarButton1
//
this.toolBarButton1.Name = "toolBarButton1";
this.toolBarButton1.Style = System.Windows.Forms.ToolBarButtonStyle.Separator;
//
// printToolBarButton
//
this.printToolBarButton.ImageIndex = 2;
this.printToolBarButton.Name = "printToolBarButton";
//
// toolBarButton2
//
this.toolBarButton2.Name = "toolBarButton2";
this.toolBarButton2.Style = System.Windows.Forms.ToolBarButtonStyle.Separator;
//
// zoomInToolBarButton
//
this.zoomInToolBarButton.ImageIndex = 3;
this.zoomInToolBarButton.Name = "zoomInToolBarButton";
this.zoomInToolBarButton.Style = System.Windows.Forms.ToolBarButtonStyle.ToggleButton;
//
// toolBarButton3
//
this.toolBarButton3.Name = "toolBarButton3";
this.toolBarButton3.Style = System.Windows.Forms.ToolBarButtonStyle.Separator;
//
// textToolBarButton
//
this.textToolBarButton.ImageIndex = 5;
this.textToolBarButton.Name = "textToolBarButton";
this.textToolBarButton.Style = System.Windows.Forms.ToolBarButtonStyle.ToggleButton;
//
// toolBar1
//
this.toolBar1.Buttons.AddRange(new System.Windows.Forms.ToolBarButton[] {
this.openToolBarButton,
this.saveToolBarButton,
this.toolBarButton1,
this.printToolBarButton,
this.toolBarButton2,
this.zoomInToolBarButton,
this.zoomOutToolBarButton,
this.toolBarButton3,
this.textToolBarButton,
this.selectToolBarButton});
this.toolBar1.ButtonSize = new System.Drawing.Size(24, 24);
this.toolBar1.Divider = false;
this.toolBar1.DropDownArrows = true;
this.toolBar1.ImageList = this.iconsImageList;
this.toolBar1.Location = new System.Drawing.Point(0, 0);
this.toolBar1.Name = "toolBar1";
this.toolBar1.ShowToolTips = true;
this.toolBar1.Size = new System.Drawing.Size(496, 34);
this.toolBar1.TabIndex = 12;
this.toolBar1.ButtonClick += new System.Windows.Forms.ToolBarButtonClickEventHandler(this.toolBar1_ButtonClick);
//
// zoomOutToolBarButton
//
this.zoomOutToolBarButton.ImageIndex = 4;
this.zoomOutToolBarButton.Name = "zoomOutToolBarButton";
this.zoomOutToolBarButton.Style = System.Windows.Forms.ToolBarButtonStyle.ToggleButton;
//
// selectToolBarButton
//
this.selectToolBarButton.ImageIndex = 6;
this.selectToolBarButton.Name = "selectToolBarButton";
this.selectToolBarButton.Style = System.Windows.Forms.ToolBarButtonStyle.ToggleButton;
//
// imagePanel
//
this.imagePanel.AutoScroll = true;
this.imagePanel.Controls.Add(this.renderedDocPictureBox);
this.imagePanel.Dock = System.Windows.Forms.DockStyle.Fill;
this.imagePanel.Location = new System.Drawing.Point(168, 0);
this.imagePanel.Name = "imagePanel";
this.imagePanel.Size = new System.Drawing.Size(328, 384);
this.imagePanel.TabIndex = 2;
//
// renderedDocPictureBox
//
this.renderedDocPictureBox.Cursor = System.Windows.Forms.Cursors.Default;
this.renderedDocPictureBox.Location = new System.Drawing.Point(144, 32);
this.renderedDocPictureBox.Name = "renderedDocPictureBox";
this.renderedDocPictureBox.Size = new System.Drawing.Size(184, 233);
this.renderedDocPictureBox.SizeMode = System.Windows.Forms.PictureBoxSizeMode.StretchImage;
this.renderedDocPictureBox.TabIndex = 1;
this.renderedDocPictureBox.TabStop = false;
this.renderedDocPictureBox.DoubleClick += new System.EventHandler(this.renderedDocPictureBox_DoubleClick);
this.renderedDocPictureBox.MouseMove += new System.Windows.Forms.MouseEventHandler(this.renderedDocPictureBox_MouseMove);
this.renderedDocPictureBox.MouseDown += new System.Windows.Forms.MouseEventHandler(this.renderedDocPictureBox_MouseDown);
this.renderedDocPictureBox.Paint += new System.Windows.Forms.PaintEventHandler(this.renderedDocPictureBox_Paint);
this.renderedDocPictureBox.MouseUp += new System.Windows.Forms.MouseEventHandler(this.renderedDocPictureBox_MouseUp);
//
// panelsSplitter
//
this.panelsSplitter.Location = new System.Drawing.Point(168, 0);
this.panelsSplitter.MinExtra = 0;
this.panelsSplitter.MinSize = 0;
this.panelsSplitter.Name = "panelsSplitter";
this.panelsSplitter.Size = new System.Drawing.Size(3, 384);
this.panelsSplitter.TabIndex = 4;
this.panelsSplitter.TabStop = false;
this.panelsSplitter.SplitterMoved += new System.Windows.Forms.SplitterEventHandler(this.panelsSplitter_SplitterMoved);
//
// textEditingPanel
//
this.textEditingPanel.Controls.Add(this.label4);
this.textEditingPanel.Controls.Add(this.textStyleGroupBox);
this.textEditingPanel.Controls.Add(this.addTextButton);
this.textEditingPanel.Controls.Add(this.label1);
this.textEditingPanel.Controls.Add(this.selectedBlockTextBox);
this.textEditingPanel.Dock = System.Windows.Forms.DockStyle.Left;
this.textEditingPanel.Location = new System.Drawing.Point(0, 0);
this.textEditingPanel.Name = "textEditingPanel";
this.textEditingPanel.Size = new System.Drawing.Size(168, 384);
this.textEditingPanel.TabIndex = 3;
this.textEditingPanel.Visible = false;
//
// label4
//
this.label4.Location = new System.Drawing.Point(0, 8);
this.label4.Name = "label4";
this.label4.Size = new System.Drawing.Size(160, 40);
this.label4.TabIndex = 5;
this.label4.Text = "Drag a rectangle to add a new text block.";
//
// textStyleGroupBox
//
this.textStyleGroupBox.Controls.Add(this.fontNameComboBox);
this.textStyleGroupBox.Controls.Add(this.label6);
this.textStyleGroupBox.Controls.Add(this.fontColorButton);
this.textStyleGroupBox.Controls.Add(this.label5);
this.textStyleGroupBox.Controls.Add(this.fitToSelectionCheckBox);
this.textStyleGroupBox.Controls.Add(this.fontSizeNumericUpDown);
this.textStyleGroupBox.Controls.Add(this.label2);
this.textStyleGroupBox.Location = new System.Drawing.Point(0, 176);
this.textStyleGroupBox.Name = "textStyleGroupBox";
this.textStyleGroupBox.Size = new System.Drawing.Size(160, 128);
this.textStyleGroupBox.TabIndex = 3;
this.textStyleGroupBox.TabStop = false;
this.textStyleGroupBox.Text = "Text Style";
//
// fontNameComboBox
//
this.fontNameComboBox.Items.AddRange(new object[] {
"Arial",
"Arial Black",
"Arial Black Italic",
"Times-Roman",
"Times-Bold",
"Times-Italic",
"Times-BoldItalic",
"Helvetica",
"Helvetica-Bold",
"Helvetica-Oblique",
"Helvetica-BoldOblique",
"Courier",
"Courier-Bold",
"Courier-Oblique",
"Courier-BoldOblique",
"Symbol",
"ZapfDingbats"});
this.fontNameComboBox.Location = new System.Drawing.Point(48, 96);
this.fontNameComboBox.Name = "fontNameComboBox";
this.fontNameComboBox.Size = new System.Drawing.Size(104, 21);
this.fontNameComboBox.TabIndex = 11;
//
// label6
//
this.label6.Location = new System.Drawing.Point(8, 96);
this.label6.Name = "label6";
this.label6.Size = new System.Drawing.Size(32, 23);
this.label6.TabIndex = 10;
this.label6.Text = "Font:";
this.label6.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
//
// fontColorButton
//
this.fontColorButton.Location = new System.Drawing.Point(88, 72);
this.fontColorButton.Name = "fontColorButton";
this.fontColorButton.Size = new System.Drawing.Size(24, 20);
this.fontColorButton.TabIndex = 9;
this.fontColorButton.Paint += new System.Windows.Forms.PaintEventHandler(this.fontColorButton_Paint);
this.fontColorButton.Click += new System.EventHandler(this.fontColorButton_Click);
//
// label5
//
this.label5.Location = new System.Drawing.Point(8, 74);
this.label5.Name = "label5";
this.label5.Size = new System.Drawing.Size(64, 16);
this.label5.TabIndex = 3;
this.label5.Text = "Text color:";
this.label5.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
//
// fitToSelectionCheckBox
//
this.fitToSelectionCheckBox.Checked = true;
this.fitToSelectionCheckBox.CheckState = System.Windows.Forms.CheckState.Checked;
this.fitToSelectionCheckBox.Location = new System.Drawing.Point(8, 24);
this.fitToSelectionCheckBox.Name = "fitToSelectionCheckBox";
this.fitToSelectionCheckBox.Size = new System.Drawing.Size(146, 16);
this.fitToSelectionCheckBox.TabIndex = 2;
this.fitToSelectionCheckBox.Text = "Fit to selection rectangle";
this.fitToSelectionCheckBox.CheckedChanged += new System.EventHandler(this.fitToSelectionCheckBox_CheckedChanged);
//
// fontSizeNumericUpDown
//
this.fontSizeNumericUpDown.Enabled = false;
this.fontSizeNumericUpDown.Location = new System.Drawing.Point(88, 48);
this.fontSizeNumericUpDown.Name = "fontSizeNumericUpDown";
this.fontSizeNumericUpDown.Size = new System.Drawing.Size(40, 20);
this.fontSizeNumericUpDown.TabIndex = 1;
this.fontSizeNumericUpDown.Value = new decimal(new int[] {
24,
0,
0,
0});
//
// label2
//
this.label2.Location = new System.Drawing.Point(8, 48);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(56, 16);
this.label2.TabIndex = 0;
this.label2.Text = "Font size:";
this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
//
// addTextButton
//
this.addTextButton.Enabled = false;
this.addTextButton.Location = new System.Drawing.Point(0, 136);
this.addTextButton.Name = "addTextButton";
this.addTextButton.Size = new System.Drawing.Size(75, 23);
this.addTextButton.TabIndex = 2;
this.addTextButton.Text = "Add text";
this.addTextButton.Click += new System.EventHandler(this.addTextButton_Click);
//
// label1
//
this.label1.Location = new System.Drawing.Point(0, 48);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(80, 16);
this.label1.TabIndex = 1;
this.label1.Text = "Text:";
//
// selectedBlockTextBox
//
this.selectedBlockTextBox.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.selectedBlockTextBox.Enabled = false;
this.selectedBlockTextBox.Location = new System.Drawing.Point(0, 64);
this.selectedBlockTextBox.Multiline = true;
this.selectedBlockTextBox.Name = "selectedBlockTextBox";
this.selectedBlockTextBox.Size = new System.Drawing.Size(160, 64);
this.selectedBlockTextBox.TabIndex = 0;
//
// layoutPanel
//
this.layoutPanel.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.layoutPanel.Controls.Add(this.panelsSplitter);
this.layoutPanel.Controls.Add(this.imagePanel);
this.layoutPanel.Controls.Add(this.textEditingPanel);
this.layoutPanel.Location = new System.Drawing.Point(0, 32);
this.layoutPanel.Name = "layoutPanel";
this.layoutPanel.Size = new System.Drawing.Size(496, 384);
this.layoutPanel.TabIndex = 13;
//
// PDFControl
//
this.Controls.Add(this.toolBar1);
this.Controls.Add(this.dpiLabel);
this.Controls.Add(this.dpiNumericUpDown);
this.Controls.Add(this.nextPageButton);
this.Controls.Add(this.prevPageButton);
this.Controls.Add(this.pageNumberTextBox);
this.Controls.Add(this.layoutPanel);
this.Name = "PDFControl";
this.Size = new System.Drawing.Size(496, 448);
this.Load += new System.EventHandler(this.PDFControl_Load);
((System.ComponentModel.ISupportInitialize)(this.dpiNumericUpDown)).EndInit();
this.imagePanel.ResumeLayout(false);
((System.ComponentModel.ISupportInitialize)(this.renderedDocPictureBox)).EndInit();
this.textEditingPanel.ResumeLayout(false);
this.textEditingPanel.PerformLayout();
this.textStyleGroupBox.ResumeLayout(false);
((System.ComponentModel.ISupportInitialize)(this.fontSizeNumericUpDown)).EndInit();
this.layoutPanel.ResumeLayout(false);
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
#region Initialization
public PDFControl() {
// This call is required by the Windows.Forms Form Designer.
InitializeComponent();
// Activates double buffering
SetStyle(ControlStyles.UserPaint, true);
SetStyle(ControlStyles.AllPaintingInWmPaint, true);
SetStyle(ControlStyles.DoubleBuffer, true);
dragPen.DashStyle = DashStyle.Custom;
dragPen.DashPattern = mDashPattern;
}
private void PDFControl_Load(object sender, System.EventArgs e) {
mPrint = new PrintDocument();
mPrint.BeginPrint += new PrintEventHandler(this.DoBeginPrint);
mPrint.EndPrint += new PrintEventHandler(this.DoEndPrint);
mPrint.PrintPage += new PrintPageEventHandler(this.DoPrintPage);
mDotsPerInch = (int)dpiNumericUpDown.Value;
fontNameComboBox.SelectedIndex = 0;
mZoomInCursor = new Cursor(this.GetType(), "zoomIn.cur");
mZoomOutCursor = new Cursor(this.GetType(), "zoomOut.cur");
imagePanel.KeyDown += new System.Windows.Forms.KeyEventHandler(this.PDFControl_KeyDown);
imagePanel.KeyUp += new System.Windows.Forms.KeyEventHandler(this.PDFControl_KeyUp);
selectToolBarButton.Pushed = true;
CurrentTool = ToolType.SelectTool;
}
#endregion
#region Finalizing
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose(bool disposing) {
if(disposing) {
if(components != null) {
components.Dispose();
}
}
base.Dispose(disposing);
}
#endregion
#region PDF view layout
/// <summary>
/// Adsjust the position of image panel
/// </summary>
private void SetLayout() {
if (renderedDocPictureBox.Image == null)
return;
int width = renderedDocPictureBox.Image.Width;
int height = renderedDocPictureBox.Image.Height;
int left = (imagePanel.Width - width)/2;
if (left < 0)
left = 0;
left += imagePanel.AutoScrollPosition.X+5;
int top = (imagePanel.Height - height)/2;
if (top < 0)
top = 0;
top += imagePanel.AutoScrollPosition.Y;
renderedDocPictureBox.SetBounds(left, top, width, height);
imagePanel.Focus();
}
/// <summary>
/// Render page of the document
/// </summary>
private void UpdateView() {
Cursor saveCursor = renderedDocPictureBox.Cursor;
renderedDocPictureBox.Cursor = Cursors.WaitCursor;
renderedDocPictureBox.Image = mDoc.Rendering.GetBitmap();
renderedDocPictureBox.Cursor = saveCursor;
Refresh();
}
protected override void OnResize(EventArgs e) {
base.OnResize(e);
SetLayout();
Refresh();
}
private void panelsSplitter_SplitterMoved(object sender, System.Windows.Forms.SplitterEventArgs e) {
SetLayout();
}
#endregion
#region Open/Save dialogs
/// <summary>
/// Show open file dialog and load selected pdf file
/// </summary>
public void Open() {
OpenFileDialog od = new OpenFileDialog();
od.Filter = "PDF Files (*.pdf;*.ai)|*.pdf;*ai|All Files (*.*)|*.*" ;
od.FilterIndex = 1;
if (od.ShowDialog() == DialogResult.OK)
Open(od.FileName);
}
/// <summary>
/// Open pdf file
/// </summary>
/// <param name="inPath">File path</param>
public void Open(string inPath) {
if (mDoc == null) {
mDoc = new Doc();
pageNumberTextBox.Visible = true;
prevPageButton.Visible = true;
nextPageButton.Visible = true;
dpiNumericUpDown.Visible = true;
dpiLabel.Visible = true;
}
mDoc.Read(inPath);
mDoc.Rect.String = mDoc.CropBox.String;
mPath = inPath;
FileInfo fileInfo = new FileInfo(mPath);
mPrint.DocumentName = fileInfo.Name;
double sw = imagePanel.Width;
double sh = imagePanel.Height;
double resX = (sw * 72) / mDoc.Rect.Width;
double resY = (sh * 72) / mDoc.Rect.Height;
int res = (int)(resX > resY ? resY : resX);
int oldDPI = (int)dpiNumericUpDown.Value;
if (dpiNumericUpDown.Minimum >= res / 2) {
dpiNumericUpDown.Minimum = res / 2;
dpiNumericUpDown.Value = res;
} else {
dpiNumericUpDown.Value = res;
dpiNumericUpDown.Minimum = res / 2;
}
mAnnotatedContent = new AnnotatedContent(mDoc);
mTextBlocks = mAnnotatedContent.Parse(mDoc);
string thePermissions = "";
if (!mDoc.Encryption.CanAssemble)
thePermissions += " - page assembly\r\n";
if (!mDoc.Encryption.CanChange)
thePermissions += " - page changes\r\n";
if (!mDoc.Encryption.CanCopy)
thePermissions += " - copying from pages\r\n";
if (!mDoc.Encryption.CanEdit)
thePermissions += " - editing pages\r\n";
if (!mDoc.Encryption.CanExtract)
thePermissions += " - content extraction\r\n";
if (!mDoc.Encryption.CanFillForms)
thePermissions += " - form filling\r\n ";
if (!mDoc.Encryption.CanPrint)
thePermissions += " - printing\r\n";
if (!mDoc.Encryption.CanPrintHi)
thePermissions += " - high resolution printing\r\n";
if (thePermissions != "")
MessageBox.Show("This document does not allow:\r\n" + thePermissions);
renderedDocPictureBox.BorderStyle = BorderStyle.FixedSingle;
UpdatePageNumberTextBox();
imagePanel.MouseUp += new System.Windows.Forms.MouseEventHandler(renderedDocPictureBox_MouseUp);
saveToolBarButton.Enabled = true;
printToolBarButton.Enabled = true;
zoomInToolBarButton.Enabled = true;
zoomOutToolBarButton.Enabled = true;
textToolBarButton.Enabled = mDoc.Encryption.CanChange;
selectToolBarButton.Enabled = true;
}
/// <summary>
/// Save file to disc
/// </summary>
public void Save() {
if (mDoc == null)
return;
if (mPath == "")
SaveAs();
else
Save(mPath);
}
/// <summary>
/// Show "Save as" dialog and save file to the specified location on the disc
/// </summary>
public void SaveAs() {
if (mDoc == null)
return;
SaveFileDialog sd = new SaveFileDialog();
sd.Filter = "PDF Files (*.pdf;*.ai)|*.pdf;*ai|All Files (*.*)|*.*" ;
sd.FilterIndex = 1;
sd.RestoreDirectory = true;
if (sd.ShowDialog() == DialogResult.OK) {
mPath = sd.FileName;
Save(mPath);
}
}
/// <summary>
/// Save file to the specified location on the disc
/// </summary>
/// <param name="path"></param>
public void Save(string path) {
if (mDoc == null)
return;
if (path != "")
mDoc.Save(path);
}
#endregion
#region Page manipulations
public void InsertPages() {
if (!mDoc.Encryption.CanAssemble) {
MessageBox.Show("This document does not permit page assembly.");
return;
}
OpenFileDialog od = new OpenFileDialog();
od.Filter = "PDF Files (*.pdf;*.ai)|*.pdf;*ai|All Files (*.*)|*.*" ;
od.FilterIndex = 1;
od.Title = "Select File To Insert";
if (od.ShowDialog() == DialogResult.OK) {
Doc theDoc = new Doc();
try {
theDoc.Read(od.FileName);
}
catch {
MessageBox.Show("Can't open " + od.FileName + ".");
InsertPages();
return;
}
InsertPagesForm theDialog = new InsertPagesForm(mDoc, theDoc);
if (theDialog.ShowDialog() == DialogResult.OK) {
UpdateView();
UpdatePageNumberTextBox();
}
}
}
public void DeletePages() {
if (!mDoc.Encryption.CanAssemble) {
MessageBox.Show("This document does not permit page assembly.");
return;
}
DeletePagesForm theDialog = new DeletePagesForm(mDoc);
if (theDialog.ShowDialog() == DialogResult.OK) {
UpdateView();
UpdatePageNumberTextBox();
}
}
public void ExtractPages() {
if (!mDoc.Encryption.CanAssemble) {
MessageBox.Show("This document does not permit page assembly.");
return;
}
ExtractPagesForm theDialog = new ExtractPagesForm(mDoc);
if (theDialog.ShowDialog() == DialogResult.OK) {
UpdateView();
UpdatePageNumberTextBox();
}
}
public void AddWatermark() {
if (!mDoc.Encryption.CanChange) {
MessageBox.Show("This document does not permit page changes.");
return;
}
AddWatermarkForm theDialog = new AddWatermarkForm(mDoc);
if (theDialog.ShowDialog() == DialogResult.OK) {
UpdateView();
UpdatePageNumberTextBox();
}
}
public void RotatePages() {
if (!mDoc.Encryption.CanAssemble) {
MessageBox.Show("This document does not permit page assembly.");
return;
}
RotatePagesForm theDialog = new RotatePagesForm(mDoc);
if (theDialog.ShowDialog() == DialogResult.OK) {
UpdateView();
SetLayout();
}
}
#endregion
#region Page navigation
/// <summary>
/// Update text in the page number text box
/// </summary>
private void UpdatePageNumberTextBox() {
pageNumberTextBox.Text = PageNumber.ToString() + " of " + PageCount.ToString();
prevPageButton.Enabled = PageNumber > 1;
nextPageButton.Enabled = PageNumber < PageCount;
}
private void nextPageButton_Click(object sender, System.EventArgs e) {
PageNumber++;
UpdatePageNumberTextBox();
imagePanel.Focus();
}
private void prevPageButton_Click(object sender, System.EventArgs e) {
PageNumber--;
UpdatePageNumberTextBox();
imagePanel.Focus();
}
private void pageNumberTextBox_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e) {
if (e.KeyCode == Keys.Enter) {
string text = ((TextBox)sender).Text;
Regex regExp = new Regex("^[0-9]*");
string pageNumberString = regExp.Match(text).Value;
if (pageNumberString != "") {
PageNumber = int.Parse(pageNumberString);
}
UpdatePageNumberTextBox();
}
}
#endregion
#region Properties
/// <summary>
/// Current page number
/// </summary>
public int PageNumber {
get {
if (mDoc == null)
return 0;
else
return mDoc.PageNumber;
}
set {
if (mDoc != null && value <= mDoc.PageCount && value != mDoc.PageNumber) {
mDoc.PageNumber = value;
mDoc.Rect.String = mDoc.CropBox.String;
Cursor saveCursor = renderedDocPictureBox.Cursor;
renderedDocPictureBox.Cursor = Cursors.WaitCursor;
renderedDocPictureBox.Image = mDoc.Rendering.GetBitmap();
renderedDocPictureBox.Cursor = saveCursor;
SetLayout();
mTextBlocks = mAnnotatedContent.Parse(mDoc);
}
}
}
/// <summary>
/// Number of pages in the opened document
/// </summary>
public int PageCount {
get {
if (mDoc != null)
return mDoc.PageCount;
else
return 0;
}
}
/// <summary>
/// Rendering resolution
/// </summary>
public int DotsPerInch {
get {
return mDotsPerInch;
}
set {
if (mDoc != null) {
mDotsPerInch = value;
mDoc.Rendering.DotsPerInch = mDotsPerInch;
Cursor saveCursor = renderedDocPictureBox.Cursor;
renderedDocPictureBox.Cursor = Cursors.WaitCursor;
renderedDocPictureBox.Image = mDoc.Rendering.GetBitmap();
renderedDocPictureBox.Cursor = saveCursor;
SetLayout();
}
}
}
/// <summary>
/// Is any document opened
/// </summary>
public bool DocumentOpened {
get {
return mDoc != null;
}
}
/// <summary>
/// Document name
/// </summary>
public string DocumentName {
get {
return mPrint.DocumentName;
}
}
#endregion
#region Printing
/// <summary>
/// Show page setup dialog
/// </summary>
public void PageSetup() {
PageSetupDialog p = new PageSetupDialog();
p.Document = mPrint;
// we hardwire the margins because of .NET bug http://support.microsoft.com/kb/814355
mPrint.DefaultPageSettings.Margins = new Margins(0, 0, 0, 0);
p.AllowMargins = false;
//p.AllowOrientation = false;
//p.AllowPaper = false;
//p.AllowPrinter = false;
p.ShowDialog();
}
/// <summary>
/// Show print dialog and print document
/// </summary>
public void Print() {
if (mDoc == null)
return;
if (!mDoc.Encryption.CanPrint) {
MessageBox.Show("This document does not permit printing.");
return;
}
PrintDialog p = new PrintDialog();
p.Document = mPrint;
// Note: on some AMD64 machines the dialog will not show
// unless this is set to true.
p.UseEXDialog = true;
mPrint.PrinterSettings.FromPage = 1;
mPrint.PrinterSettings.ToPage = PageCount;
mPrint.PrinterSettings.MinimumPage = 1;
mPrint.PrinterSettings.MaximumPage = PageCount;
p.AllowSomePages = true;
if (p.ShowDialog() == DialogResult.OK)
mPrint.Print();
}
/// <summary>
/// Show print preview
/// </summary>
public void PrintPreview() {
if (mDoc == null)
return;
if (!mDoc.Encryption.CanPrint) {
MessageBox.Show("This document does not permit printing.");
return;
}
PrintPreviewDialog p = new PrintPreviewDialog();
p.Document = mPrint;
p.WindowState = FormWindowState.Maximized;
p.ShowDialog();
}
private void DoBeginPrint(object sender, PrintEventArgs e) {
mPage = Math.Max(1, mPrint.PrinterSettings.FromPage);
mPageSaved = mDoc.PageNumber;
mCopiesNumber = 1;
}
private void DoEndPrint(object sender, PrintEventArgs e) {
mDoc.PageNumber = mPageSaved;
mDoc.Rect.String = mDoc.CropBox.String;
}
private void DoPrintPage(object sender, PrintPageEventArgs e) {
mDoc.PageNumber = mPage;
if (!mPrint.PrinterSettings.Collate) {
if (mCopiesNumber++ >= mPrint.PrinterSettings.Copies) {
mPage++;
mCopiesNumber = 1;
}
e.HasMorePages = mPage <= mPrint.PrinterSettings.ToPage;
}
else {
mPage++;
e.HasMorePages = mPage <= mPrint.PrinterSettings.ToPage;
if (!e.HasMorePages && mCopiesNumber < mPrint.PrinterSettings.Copies) {
mCopiesNumber++;
mPage = mPrint.PrinterSettings.FromPage;
e.HasMorePages = mPage <= mPrint.PrinterSettings.ToPage;
}
}
Graphics g = e.Graphics;
if (mDoc.PageCount == 0) return;
if (mDoc.Page == 0) return;
XRect cropBox = mDoc.CropBox;
double srcWidth = (cropBox.Width / 72) * 100;
double srcHeight = (cropBox.Height / 72) * 100;
double pageWidth = e.PageBounds.Width;
double pageHeight = e.PageBounds.Height;
double marginX = e.PageSettings.HardMarginX;
double marginY = e.PageSettings.HardMarginY;
double dstWidth = pageWidth - (marginX * 2);
double dstHeight = pageHeight - (marginY * 2);
const bool autoRotate = true;
int rotate = 0;
if (autoRotate && srcWidth!=srcHeight && dstWidth!=dstHeight
&& (srcWidth>srcHeight)!=(dstWidth>dstHeight))
{
double temp = pageWidth;
pageWidth = pageHeight;
pageHeight = temp;
temp = marginX;
marginX = marginY;
marginY = temp;
temp = dstWidth;
dstWidth = dstHeight;
dstHeight = temp;
rotate = PDFUtilities.GetPageRotation(mDoc) % 360;
if (rotate <= -180)
rotate += 360;
else if (rotate > 180)
rotate -= 360;
rotate = rotate > 0? 90: -90; // default to -90
// Use -90 because we want the staple to be at a top corner
// of the page. Assuming a rotation of "rotate" (0 or 180 degrees)
// produces upright contents, a rotation of -90 or 90 degrees
// (respectively) produces outputs whose top is at the
// left edge of the portrait page. The staple at the top-left
// corner of the portrait page will be at the top-right corner of the
// contents.
} else {
rotate = PDFUtilities.GetPageRotation(mDoc) % 360;
if (rotate != 180 && rotate != -180)
rotate = 0;
}
// if source bigger than destination then scale
if ((srcWidth > dstWidth) || (srcHeight > dstHeight)) {
double sx = dstWidth / srcWidth;
double sy = dstHeight / srcHeight;
double s = Math.Min(sx, sy);
srcWidth *= s;
srcHeight *= s;
}
// now center
double x = (pageWidth - srcWidth) / 2;
double y = (pageHeight - srcHeight) / 2;
// adjust to work around bug in .NET
// http://social.msdn.microsoft.com/forums/en-US/vbgeneral/thread/c4b3408f-5b4f-4608-a36d-dd74f69ecdbd/
if (!mPrint.PrintController.IsPreview) {
x -= marginX;
y -= marginY;
}
// save state
double saveDotsPerInch = mDoc.Rendering.DotsPerInch;
mDoc.Rendering.AutoRotate = false;
RectangleF theRect = new RectangleF((float)x, (float)y, (float)srcWidth, (float)srcHeight);
int theRez = e.PageSettings.PrinterResolution.X;
if (e.PageSettings.Color) // color is generally CMYK so to translate from dpi to ppi we divide by four
theRez /= 4;
if (theRez <= 0) // Invalid printer resolution - use the default value
theRez = 72;
// draw content
mDoc.Rect.SetRect(cropBox);
Matrix oldTransform = null;
if (rotate != 0) {
oldTransform = g.Transform;
switch (rotate) {
case 90:
using (Matrix matrix = new Matrix(0, 1, -1, 0,
(float)(2*y+srcHeight), 0))
{
g.MultiplyTransform(matrix);
}
break;
case -90:
using (Matrix matrix = new Matrix(0, -1, 1, 0,
0, (float)(2*x+srcWidth)))
{
g.MultiplyTransform(matrix);
}
break;
case 180: case -180:
using (Matrix matrix = new Matrix(-1, 0, 0, -1,
(float)(2*x+srcWidth), (float)(2*y+srcHeight)))
{
g.MultiplyTransform(matrix);
}
break;
}
}
#if !DISPLAY_PRINT_AREA
g.SetClip(theRect);
#endif
if (!mDoc.Encryption.CanPrintHi) {
mDoc.Rendering.DotsPerInch = 72;
using (Bitmap bm = mDoc.Rendering.GetBitmap()) {
g.DrawImage(bm, theRect);
}
}
else {
mDoc.Rendering.DotsPerInch = theRez;
mDoc.Rendering.ColorSpace = XRendering ColorSpaceType.Rgb;
mDoc.Rendering.BitsPerChannel = 8;
byte[] theData = mDoc.Rendering.GetData(".emf");
MemoryStream theStream = new MemoryStream(theData);
using (Metafile theEMF = new Metafile(theStream)) {
g.DrawImage(theEMF, theRect);
}
}
if (oldTransform != null) {
g.Transform = oldTransform;
oldTransform.Dispose();
}
// restore state
mDoc.Rendering.DotsPerInch = saveDotsPerInch;
mDoc.Rendering.AutoRotate = true;
#if DISPLAY_PRINT_AREA
g.DrawRectangle(new Pen(Color.Red),
theRect.X, theRect.Y, theRect.Width, theRect.Height);
#endif
}
#endregion
#region Dragging
/// <summary>
/// True when user drags a new selection rectangle or selected text block
/// </summary>
private bool mbDragging = false;
/// <summary>
/// Tracks the original point where mbDragging was started.
/// </summary>
private Point mDragStart;
/// <summary>
/// Tracks the point where the drag ended.
/// </summary>
private Point mDragEnd;
private Single[] mDashPattern = new Single[]{5,2,5,2}; /* The dash pattern used to draw the zoom box. */
private Pen dragPen = new Pen(Brushes.Black, 1); /* The pen used to draw the zoom box. */
//Drag selected rect
private Point mCurrentDragPosition;
private GraphicsPath mCurrentDragPath;
//Drag grab bar
private bool mbGrabBarDragging = false;
private int mDragBarPointIndex = -1;
private Rectangle mTextAreaSelection;
private Rectangle TextAreaSelection {
get {
return mTextAreaSelection;
}
set {
if (mTextAreaSelection.IsEmpty && ! value.IsEmpty)
SelectBlock(null);
mTextAreaSelection = value;
fitToSelectionCheckBox.Enabled = ! value.IsEmpty;
fontColorButton.Enabled = ! value.IsEmpty;
fontSizeNumericUpDown.Enabled = ! value.IsEmpty && !fitToSelectionCheckBox.Enabled;
fontNameComboBox.Enabled = ! value.IsEmpty;
selectedBlockTextBox.Enabled = ! value.IsEmpty;
addTextButton.Enabled = ! value.IsEmpty;
}
}
private void DrawResizingRect(Point dragCurrent) {
if (dragCurrent != mDragStart) {
renderedDocPictureBox.Refresh();
DraggingUtilities.DragWindowInfo dwi = DraggingUtilities.GetDragWindowSize(dragCurrent, mDragStart);
renderedDocPictureBox.CreateGraphics().DrawRectangle(dragPen, dwi.TopLeft.X, dwi.TopLeft.Y,
dwi.WindowSize.Width, dwi.WindowSize.Height);
}
}
private void DrawDraggedRect(Point dragNewPoint) {
if (mCurrentDragPosition != dragNewPoint) {
Matrix translateMatrix = new Matrix();
translateMatrix.Translate(dragNewPoint.X - mCurrentDragPosition.X, dragNewPoint.Y - mCurrentDragPosition.Y);
mCurrentDragPath.Transform(translateMatrix);
mCurrentDragPosition = dragNewPoint;
renderedDocPictureBox.Refresh();
renderedDocPictureBox.CreateGraphics().DrawPath(dragPen, mCurrentDragPath);
}
}
private void DrawDraggedRectWithGrabBar(Point dragNewPoint) {
if (mDragStart != dragNewPoint) {
GraphicsPath thePath = (GraphicsPath)mCurrentDragPath.Clone();
Matrix theMatrix = DraggingUtilities.GetDraggingMatrix(dragNewPoint, thePath, mDragBarPointIndex);
thePath.Transform(theMatrix);
renderedDocPictureBox.Refresh();
renderedDocPictureBox.CreateGraphics().DrawPath(dragPen, thePath);
}
}
#endregion
#region Mouse and Keyboard Events
private void renderedDocPictureBox_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e) {
base.OnMouseDown(e);
if (CurrentTool == ToolType.TextTool) {
if (e.Button == MouseButtons.Left) {
mDragStart = new Point(e.X, e.Y);
mTextAreaSelection = new Rectangle();
mbDragging = true;
}
}
if (CurrentTool == ToolType.SelectTool && SelectedBlock != null) {
if (e.Button == MouseButtons.Left) {
PointF[] points = new PointF[1];
points[0] = new PointF(e.X, e.Y);
Matrix theMatrix = ViewTransform;
theMatrix.Invert();
theMatrix.TransformPoints(points);
//Drag Grab bar
int pointIndex;
GraphicsPath thePath = SelectedBlock.GetGraphics(ViewTransform);
if (DraggingUtilities.IsOverGrabBars(new Point(e.X, e.Y), thePath, kGrabBarSize, out pointIndex)) {
mDragBarPointIndex = pointIndex;
mDragStart = new Point(e.X, e.Y);
mCurrentDragPath = thePath;
mbGrabBarDragging = true;
}
else // Drag selected rect
if (SelectedBlock.ContainsPoint(points[0])) {
mCurrentDragPath = SelectedBlock.GetGraphics(ViewTransform);
mCurrentDragPosition = new Point(e.X, e.Y);
mDragStart = mCurrentDragPosition;
mbDragging = true;
}
}
}
}
private void renderedDocPictureBox_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e) {
base.OnMouseMove(e);
//Drag text area
if (CurrentTool == ToolType.TextTool && mbDragging)
DrawResizingRect(new Point(e.X, e.Y));
if (CurrentTool == ToolType.SelectTool) {
if (mbGrabBarDragging) { //Drag the rect with grab bar
DrawDraggedRectWithGrabBar(new Point(e.X, e.Y));
return;
}
else
if (mbDragging) { //Drag the rect
DrawDraggedRect(new Point(e.X, e.Y));
return;
}
}
bool bDefaultCursor = true;
//Check if the mouse is over the grab bars.
TextBlock theBlock = SelectedBlock;
if (theBlock != null) {
int pointIndex;
GraphicsPath thePath = theBlock.GetGraphics(ViewTransform);
if (DraggingUtilities.IsOverGrabBars(new Point(e.X, e.Y), thePath, kGrabBarSize, out pointIndex)) {
renderedDocPictureBox.Cursor = DraggingUtilities.GetGrabBarCursor(pointIndex, thePath);
bDefaultCursor = false;
}
}
if (bDefaultCursor)
renderedDocPictureBox.Cursor = CurrentCursor;
}
private void renderedDocPictureBox_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e) {
int x = e.X;
int y = e.Y;
if (CurrentTool == ToolType.ZoomInTool || CurrentTool == ToolType.ZoomOutTool) {
int dpi;
if (CurrentTool == ToolType.ZoomInTool)
dpi = (mDotsPerInch > kZoomIncrement)? mDotsPerInch + kZoomIncrement : mDotsPerInch * 2;
else {
dpi = (mDotsPerInch / 2> kZoomIncrement)? mDotsPerInch - kZoomIncrement: mDotsPerInch / 2;
if (dpi < dpiNumericUpDown.Minimum)
dpi = (int)dpiNumericUpDown.Minimum;
}
dpiNumericUpDown.Value = dpi;
}
else if (CurrentTool == ToolType.TextTool) {
if (mbDragging) {
if (e.Button == MouseButtons.Left) {
// A drag has just ended and now we need to perform the actual zoom.
mbDragging = false;
if (mDragEnd == mDragStart)
return;
mDragEnd = new Point(e.X, e.Y);
if (DraggingUtilities.CheckDragBoxSize(mDragStart, mDragEnd)) {
Rectangle rect = DraggingUtilities.GetDragWindowSize(mDragEnd, mDragStart).GetRectangle();
Matrix theMatrix = ViewTransform;
theMatrix.Invert();
GraphicsPath thePath = new GraphicsPath();
thePath.AddRectangle(rect);
thePath.Transform(theMatrix);
RectangleF updatedRect = thePath.GetBounds();
TextAreaSelection = new Rectangle((int)updatedRect.Left, (int)updatedRect.Top, (int)updatedRect.Width, (int)updatedRect.Height);
}
else {
TextAreaSelection = new Rectangle();
renderedDocPictureBox.Refresh();
}
}
}
else {
}
}
else if (CurrentTool == ToolType.SelectTool) {
if (mbDragging) {
mbDragging = false;
if (e.Button == MouseButtons.Left) {
// A drag has just ended and now we need to perform the actual zoom.
mDragEnd = new Point(e.X, e.Y);
if (mDragStart != mDragEnd) {
Point[] points = new Point[2];
points[0] = mDragStart;
points[1] = mDragEnd;
Matrix theMatrix = ViewTransform;
theMatrix.Invert();
theMatrix.TransformPoints(points);
mAnnotatedContent.MoveTextBlock(SelectedBlock, points[1].X - points[0].X, points[1].Y - points[0].Y);
mTextBlocks = mAnnotatedContent.Parse(mDoc);
UpdateView();
}
}
}
else if (mbGrabBarDragging) {
TextBlock theBlock = SelectedBlock;
mbGrabBarDragging = false;
Matrix theMatrix = DraggingUtilities.GetDraggingMatrix(new Point(e.X, e.Y), mCurrentDragPath, mDragBarPointIndex);
Matrix invertedViewMatrix = ViewTransform.Clone();
invertedViewMatrix.Invert();
Matrix newMatrix = ViewTransform.Clone();
newMatrix.Multiply(theMatrix, MatrixOrder.Append);
newMatrix.Multiply(invertedViewMatrix, MatrixOrder.Append);
mAnnotatedContent.TransformTextBlock(theBlock, newMatrix);
mTextBlocks = mAnnotatedContent.Parse(mDoc);
UpdateView();
}
else {
SelectBlock(null);
Rectangle updateRect = TextAreaSelection;
updateRect.Inflate(2,2);
TextAreaSelection = new Rectangle();
renderedDocPictureBox.Invalidate(updateRect);
if (mTextBlocks.Count>0) {
//float scale = 72 / (float)mDotsPerInch;
Matrix theMatrix = ViewTransform;
theMatrix.Invert();
PointF[] points = { new PointF(x, y) };
theMatrix.TransformPoints(points);
for (int i = 0; i < mTextBlocks.Count; i++) {
TextBlock textBlock = mTextBlocks[i];
if (textBlock.ContainsPoint(points[0])) {
SelectBlock(textBlock);
imagePanel.Focus();
break;
}
}
}
}
}
imagePanel.Focus();
}
private void renderedDocPictureBox_DoubleClick(object sender, System.EventArgs e) {
if (SelectedBlock != null && (CurrentTool == ToolType.SelectTool || CurrentTool == ToolType.TextTool)) {
TextPropertiesForm theDialog = new TextPropertiesForm(SelectedBlock, mAnnotatedContent);
theDialog.CanChange = mDoc.Encryption.CanChange;
theDialog.CanCopy = mDoc.Encryption.CanCopy;
DialogResult res = theDialog.ShowDialog();
if (res == DialogResult.OK) {
mTextBlocks = mAnnotatedContent.Parse(mDoc);
UpdateView();
}
}
}
private void PDFControl_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e) {
if (e.KeyCode == Keys.ControlKey)
UpdateToolCursors();
else
if (e.KeyCode == Keys.Delete) {
TextBlock theBlock = SelectedBlock;
if (theBlock != null) {
mAnnotatedContent.DeleteTextBlock(theBlock);
mTextBlocks = mAnnotatedContent.Parse(mDoc);
UpdateView();
}
}
}
private void PDFControl_KeyUp(object sender, System.Windows.Forms.KeyEventArgs e) {
if (e.KeyCode == Keys.ControlKey)
UpdateToolCursors();
}
#endregion
#region Toolbar
private void toolBar1_ButtonClick(object sender, System.Windows.Forms.ToolBarButtonClickEventArgs e) {
if (e.Button == openToolBarButton) {
Open();
}
else if (e.Button == saveToolBarButton) {
SaveAs();
}
else if (e.Button == printToolBarButton) {
Print();
}
else if (e.Button == zoomInToolBarButton) {
CurrentTool = (zoomInToolBarButton.Pushed) ? ToolType.ZoomInTool : ToolType.HandTool;
}
else if (e.Button == zoomOutToolBarButton) {
CurrentTool = (zoomOutToolBarButton.Pushed) ? ToolType.ZoomOutTool : ToolType.HandTool;
}
else if (e.Button == textToolBarButton) {
CurrentTool = (textToolBarButton.Pushed) ? ToolType.TextTool : ToolType.HandTool;
TextAreaSelection = new Rectangle();
}
else if (e.Button == selectToolBarButton) {
CurrentTool = (selectToolBarButton.Pushed) ? ToolType.SelectTool : ToolType.HandTool;
}
}
/// <summary>
/// Currently active tool
/// </summary>
private ToolType CurrentTool {
get {
return mCurrentTool;
}
set {
mCurrentTool = value;
switch (mCurrentTool) {
case ToolType.ZoomInTool:
renderedDocPictureBox.Cursor = mZoomInCursor;
break;
case ToolType.ZoomOutTool:
renderedDocPictureBox.Cursor = mZoomOutCursor;
break;
case ToolType.HandTool:
renderedDocPictureBox.Cursor = Cursors.Default;
break;
case ToolType.TextTool:
renderedDocPictureBox.Cursor = Cursors.Cross;
ShowTextEditPane = true;
break;
case ToolType.SelectTool:
renderedDocPictureBox.Cursor = Cursors.Arrow;
break;
default:
break;
}
if (mCurrentTool != ToolType.TextTool && ShowTextEditPane) {
ShowTextEditPane = false;
textToolBarButton.Pushed = false;
}
if (mCurrentTool != ToolType.SelectTool)
selectToolBarButton.Pushed = false;
if (mCurrentTool != ToolType.ZoomOutTool)
zoomOutToolBarButton.Pushed = false;
if (mCurrentTool != ToolType.ZoomInTool)
zoomInToolBarButton.Pushed = false;
}
}
private Cursor CurrentCursor {
get {
switch (CurrentTool) {
case ToolType.ZoomInTool:
return mZoomInCursor;
case ToolType.ZoomOutTool:
return mZoomOutCursor;
case ToolType.HandTool:
return Cursors.Default;
case ToolType.TextTool:
return Cursors.Cross;
case ToolType.SelectTool:
return Cursors.Arrow;
default:
return Cursors.Default;
}
}
}
#endregion
#region Zooming tools
private void dpiNumericUpDown_ValueChanged(object sender, System.EventArgs e) {
int x = imagePanel.Width / 2 - imagePanel.AutoScrollPosition.X ;
int y = imagePanel.Height /2 - imagePanel.AutoScrollPosition.Y;
int oldDPI = mDotsPerInch;
DotsPerInch = (int)((NumericUpDown)sender).Value;
x = x * mDotsPerInch / oldDPI - imagePanel.Width / 2;
y = y * mDotsPerInch / oldDPI - imagePanel.Height /2;
imagePanel.AutoScrollPosition = new Point(x , y);
imagePanel.Focus();
dpiNumericUpDown.Increment = (dpiNumericUpDown.Value < kZoomIncrement)? dpiNumericUpDown.Value : kZoomIncrement;
dpiNumericUpDown.Minimum = ((int)dpiNumericUpDown.Value + 1) / 2;
Refresh();
}
private void zoomInMenuItem_Click(object sender, System.EventArgs e) {
}
private void zoomOutMenuItem_Click(object sender, System.EventArgs e) {
}
private void UpdateToolCursors() {
imagePanel.Focus();
if (CurrentTool == ToolType.ZoomInTool || CurrentTool == ToolType.ZoomOutTool) {
if (!mZoomToolReverted && Control.ModifierKeys == Keys.Control) { //switch zooming tool if control is pressed
CurrentTool = (CurrentTool == ToolType.ZoomInTool)? ToolType.ZoomOutTool: ToolType.ZoomInTool;
mZoomToolReverted = true;
}
else
if (mZoomToolReverted && Control.ModifierKeys != Keys.Control) {
CurrentTool = (CurrentTool == ToolType.ZoomInTool)? ToolType.ZoomOutTool: ToolType.ZoomInTool;
mZoomToolReverted = false;
}
}
}
#endregion
#region Text editing
private Pen BlackPen = new Pen(Brushes.Black, 1);
private Pen RedPen = new Pen(Brushes.Red, 1);
private Color mTextColor = Color.Black;
private List<TextBlock> mTextBlocks = new List<TextBlock>();
/// <summary>
/// Select text block
/// </summary>
/// <param name="selectedBlock">Text block</param>
private void SelectBlock(TextBlock selectedBlock) {
for (int i = 0; i < mTextBlocks.Count; i++) {
TextBlock theBlock = mTextBlocks[i];
GraphicsPath thePath = theBlock.GetGraphics(ViewTransform);
thePath.Widen(new Pen(Brushes.Black, 2 + kGrabBarSize));
if (theBlock == selectedBlock) {
theBlock.Selected = true;
renderedDocPictureBox.Invalidate(new Region(thePath));
selectedBlockTextBox.Text = theBlock.Text;
}
else
if (theBlock.Selected) {
theBlock.Selected = false;
renderedDocPictureBox.Invalidate(new Region(thePath));
}
}
if (selectedBlock == null)
selectedBlockTextBox.Text = "";
//Enable edit box and button
selectedBlockTextBox.Enabled = selectedBlock != null;
addTextButton.Enabled = selectedBlock != null;
}
/// <summary>
/// Selected text block
/// </summary>
private TextBlock SelectedBlock {
get {
for (int i = 0; i < mTextBlocks.Count; i++) {
TextBlock theBlock = mTextBlocks[i];
if (theBlock.Selected)
return theBlock;
}
return null;
}
}
/// <summary>
/// Show text editing pane
/// </summary>
private bool ShowTextEditPane {
set {
textEditingPanel.Visible = value;
panelsSplitter.Visible = value;
SetLayout();
}
get {
return textEditingPanel.Visible;
}
}
/// <summary>
/// Transformation from pdf coordinates to view coordinates
/// </summary>
private Matrix ViewTransform {
get {
float scale = mDotsPerInch / (float)72;
Matrix theMatrix = null;
int angle = PDFUtilities.GetPageRotation(mDoc);
switch (angle) {
case 0:
theMatrix = new Matrix(scale, 0, 0, -scale, 0, (float)mDoc.MediaBox.Height*scale);
theMatrix.Translate( (float)(mDoc.MediaBox.Left - mDoc.CropBox.Left), (float)(mDoc.MediaBox.Top - mDoc.CropBox.Top), MatrixOrder.Prepend);
break;
case 90:
theMatrix = new Matrix(0, scale, scale, 0, 0, 0);
theMatrix.Translate( (float)(mDoc.MediaBox.Left - mDoc.CropBox.Left), (float)(mDoc.MediaBox.Bottom - mDoc.CropBox.Bottom), MatrixOrder.Prepend);
break;
case 180:
theMatrix = new Matrix(-scale, 0, 0, scale, (float)mDoc.MediaBox.Width*scale, 0);
theMatrix.Translate( (float)(mDoc.MediaBox.Right - mDoc.CropBox.Right), (float)(mDoc.MediaBox.Bottom - mDoc.CropBox.Bottom), MatrixOrder.Prepend);
break;
case 270:
theMatrix = new Matrix(0, -scale, -scale, 0, (float)mDoc.MediaBox.Height*scale, (float)mDoc.MediaBox.Width*scale);
theMatrix.Translate( (float)(mDoc.MediaBox.Right - mDoc.CropBox.Right), (float)(mDoc.MediaBox.Top - mDoc.CropBox.Top), MatrixOrder.Prepend);
break;
default:
break;
}
return theMatrix;
}
}
private void renderedDocPictureBox_Paint(object sender, System.Windows.Forms.PaintEventArgs e) {
#if DISPLAY_TEXT_RECTANGLES
for (int i = 0; i < mTextBlocks.Count; i++)
{
TextBlock textBlock = mTextBlocks[i];
GraphicsPath thePath = textBlock.GetGraphics(ViewTransform);
if (textBlock.Selected)
e.Graphics.DrawPath(RedPen, thePath);
else
e.Graphics.DrawPath(BlackPen, thePath);
}
#else
TextBlock textBlock = SelectedBlock;
if (textBlock != null) {
GraphicsPath thePath = textBlock.GetGraphics(ViewTransform);
e.Graphics.DrawPath(BlackPen, thePath);
for (int i = 0; i < thePath.PathPoints.Length; i++) {
e.Graphics.FillRectangle(new SolidBrush(Color.White), thePath.PathPoints[i].X - 2, thePath.PathPoints[i].Y - 2, 4, 4);
e.Graphics.DrawRectangle(BlackPen, thePath.PathPoints[i].X - kGrabBarSize / 2, thePath.PathPoints[i].Y - kGrabBarSize / 2, kGrabBarSize, kGrabBarSize);
}
}
#endif
if (!TextAreaSelection.IsEmpty && CurrentTool == ToolType.TextTool) {
GraphicsPath thePath = new GraphicsPath();
thePath.AddRectangle(TextAreaSelection);
thePath.Transform(ViewTransform);
e.Graphics.DrawPath(dragPen, thePath);
}
}
private void addTextButton_Click(object sender, System.EventArgs e) {
if (!mDoc.Encryption.CanChange) {
MessageBox.Show("This document does not permit page changes.");
return;
}
if (!TextAreaSelection.IsEmpty) {
imagePanel.Focus();
XRect theRect = new XRect();
theRect.Bottom = TextAreaSelection.Bottom;
theRect.Left = TextAreaSelection.Left;
theRect.Top = TextAreaSelection.Top;
theRect.Right = TextAreaSelection.Right;
PDFUtilities.AddTextBlock(mDoc, selectedBlockTextBox.Text, theRect, (int)fontSizeNumericUpDown.Value, mTextColor, fitToSelectionCheckBox.Checked);
TextAreaSelection = new Rectangle();
mTextBlocks = mAnnotatedContent.Parse(mDoc);
UpdateView();
imagePanel.Focus();
}
else {
imagePanel.Focus();
TextBlock theBlock = SelectedBlock;
if (theBlock != null) {
mAnnotatedContent.UpdateTextBlock(theBlock, selectedBlockTextBox.Text);
mTextBlocks = mAnnotatedContent.Parse(mDoc);
UpdateView();
}
}
}
private void fitToSelectionCheckBox_CheckedChanged(object sender, System.EventArgs e) {
fontSizeNumericUpDown.Enabled = !fitToSelectionCheckBox.Checked;
}
private void fontColorButton_Paint(object sender, System.Windows.Forms.PaintEventArgs e) {
base.OnPaint(e);
Graphics g = e.Graphics;
g.FillRectangle(new SolidBrush(mTextColor), new Rectangle(4, 4, fontColorButton.Size.Width - 8, fontColorButton.Size.Height - 8));
}
private void fontColorButton_Click(object sender, System.EventArgs e) {
ColorDialog theDialog = new ColorDialog();
theDialog.Color = mTextColor;
DialogResult res = theDialog.ShowDialog();
if (res == DialogResult.OK) {
mTextColor = theDialog.Color;
fontColorButton.Refresh();
}
}
#endregion
}
}
