mirror of
https://github.com/wmjordan/PDFPatcher.git
synced 2026-10-22 08:26:03 +08:00
WMJ
226 lines
9.0 KiB
C#
226 lines
9.0 KiB
C#
using System;
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using System.ComponentModel;
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using System.IO;
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using System.Windows.Forms;
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using MuPdfSharp;
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using PDFPatcher.Common;
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namespace PDFPatcher.Functions
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{
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[ToolboxItem (false)]
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public partial class RenderImageControl : FunctionControl, IResettableControl
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{
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public override string FunctionName {
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get { return "转换页面为图片"; }
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}
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public override System.Drawing.Bitmap IconImage {
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get { return Properties.Resources.RenderDocument; }
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}
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public RenderImageControl () {
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InitializeComponent ();
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//this.Icon = Common.FormHelper.ToIcon (Properties.Resources.RenderImage);
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this._SourceFileControl.BrowseSelectedFiles += (object sender, EventArgs e) =>
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{
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if (_AutoOutputDirBox.Checked == false) {
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return;
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}
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var sourceFile = _SourceFileControl.FirstFile;
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if (sourceFile.Length > 0) {
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_TargetBox.Text = FileHelper.CombinePath (Path.GetDirectoryName (sourceFile), Path.GetFileNameWithoutExtension (sourceFile));
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}
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};
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this._AutoOutputDirBox.CheckedChanged += (object sender, EventArgs e) => { AppContext.ImageRenderer.AutoOutputFolder = _AutoOutputDirBox.Checked; };
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_ResolutionBox.TextChanged += (s, args) => {
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var v = _ResolutionBox.Text.ToSingle ();
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if (v <= 0) {
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_ResolutionBox.Text = "72";
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}
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else if (v > 3000) {
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_ResolutionBox.Text = "3000";
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}
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};
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_ExtractPageImageWidthBox.GotFocus += (s, args) => { _SpecificWidthBox.Checked = true; };
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_ExtractPageRatioBox.GotFocus += (s, args) => { _SpecificRatioBox.Checked = true; };
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}
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protected override void OnLoad (EventArgs e) {
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base.OnLoad (e);
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ShowFileMaskPreview ();
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AppContext.MainForm.SetTooltip (this._SourceFileControl.FileList, "包含图片的 PDF 文件路径");
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AppContext.MainForm.SetTooltip (this._TargetBox, "放置输出图片的文件夹路径");
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AppContext.MainForm.SetTooltip (this._ExtractPageRangeBox, "需要提取图片的页码范围，不指定页码范围时提取所有页面的图片");
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AppContext.MainForm.SetTooltip (this._FileNameMaskBox, "提取的图片文件名按其所在页码数字命名，可在此修改命名规则\n“0000”：不足四位用0补足四位\n“0”：文件名按实际页码，不用0补位\n可用英文双引号将文本括起来（如“\"相约2000\"0”，前面的“2000”不会被解释为占位符）");
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AppContext.MainForm.SetTooltip (this._VerticalFlipImageBox, "某些 PDF 文件导出的图片上下颠倒，可用此选项将其还原");
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AppContext.MainForm.SetTooltip (this._InvertColorBox, "翻转 PNG 和 TIFF 黑白图片的颜色");
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AppContext.MainForm.SetTooltip (this._QuantizeBox, "尽量减少导出图片所用的颜色，从而减小图片占用的磁盘空间");
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AppContext.MainForm.SetTooltip (this._SpecificWidthBox, "指定输出图片的宽度（单位为像素，图片的高度将按比例缩放）");
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AppContext.MainForm.SetTooltip (this._SpecificRatioBox, "指定输出图片的放大倍数");
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AppContext.MainForm.SetTooltip (this._ExtractPageImageWidthBox, "指定输出图片的宽度（单位为像素，图片的高度将按比例缩放），宽度为 0 时相当于按 1：1 比例输出");
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Reload ();
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}
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public void Reset () {
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AppContext.ImageRenderer = new ImageRendererOptions ();
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Reload ();
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}
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public void Reload () {
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var o = AppContext.ImageRenderer;
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_AutoOutputDirBox.Checked = o.AutoOutputFolder;
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_ColorSpaceRgbBox.Checked = !(_ColorSpaceGrayBox.Checked = o.ColorSpace == ColorSpace.Gray);
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_FileNameMaskBox.Text = o.FileMask;
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_HorizontalFlipImageBox.Checked = o.HorizontalFlipImages;
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_HideAnnotationsBox.Checked = o.HideAnnotations;
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_ImageFormatBox.SelectedIndex = ValueHelper.MapValue (o.FileFormat, new ImageFormat[] { ImageFormat.Png, ImageFormat.Jpeg, ImageFormat.Tiff }, new int[] { 0, 1, 2 }, 0);
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_InvertColorBox.Checked = o.InvertColor;
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if (o.JpegQuality > 0 && o.JpegQuality <= 100) {
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_JpegQualityBox.Text = ValueHelper.ToText(o.JpegQuality);
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}
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else {
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o.JpegQuality = 75;
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_JpegQualityBox.Text = "75";
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}
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_QuantizeBox.Checked = o.Quantize;
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_ResolutionBox.Text = o.Dpi.ToText();
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_RotationBox.SelectedIndex = ValueHelper.MapValue (o.Rotation, new int[] { 0, 90, 180, 270 }, new int[] { 0, 1, 2, 3 }, 0);
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_SpecificRatioBox.Checked = !o.UseSpecificWidth;
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_SpecificWidthBox.Checked = o.UseSpecificWidth;
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_VerticalFlipImageBox.Checked = o.VerticalFlipImages;
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_ExtractPageImageWidthBox.SetValue (o.ImageWidth);
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_ExtractPageRatioBox.SetValue (o.ScaleRatio);
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}
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private void _BrowseTargetPdfButton_Click (object sender, EventArgs e) {
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var sourceFile = _SourceFileControl.Text;
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if (_TargetBox.Text.Length > 0) {
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_SaveImageBox.SelectedPath = Path.GetDirectoryName (_TargetBox.Text);
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}
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else if (sourceFile.Length > 0) {
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_SaveImageBox.SelectedPath = Path.GetDirectoryName (sourceFile);
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}
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if (_SaveImageBox.ShowDialog () == DialogResult.OK) {
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_TargetBox.Text =
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_SaveImageBox.SelectedPath
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//+ (_SaveImageBox.SelectedPath.EndsWith ("\\") ? String.Empty : "\\")
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//+ Path.GetFileNameWithoutExtension (sourceFile)
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;
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}
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}
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private void _ExtractButton_Click (object sender, EventArgs e) {
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if (File.Exists (_SourceFileControl.FirstFile) == false) {
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Common.FormHelper.ErrorBox (Messages.SourceFileNotFound);
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return;
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}
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if (_TargetBox.Text.IsNullOrWhiteSpace()) {
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_BrowseTargetPdfButton_Click (_BrowseTargetPdfButton, e);
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if (_TargetBox.Text.IsNullOrWhiteSpace()) {
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return;
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}
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}
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AppContext.SourceFiles = _SourceFileControl.Files;
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if (_SourceFileControl.Files.Length == 1) {
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_SourceFileControl.FileList.AddHistoryItem ();
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_TargetBox.AddHistoryItem ();
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}
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AppContext.MainForm.ResetWorker ();
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var worker = AppContext.MainForm.GetWorker ();
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worker.DoWork += (dummy, arg) =>
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{
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var a = arg.Argument as object[];
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var files = a[0] as string[];
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var options = a[1] as ImageRendererOptions;
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options.ExtractImagePath = new FilePath (options.ExtractImagePath).Normalize();
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if (files.Length > 1) {
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var ep = options.ExtractImagePath;
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foreach (var file in files) {
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options.ExtractImagePath = new FilePath(ep).Combine(new FilePath(file).FileNameWithoutExtension).Normalize();
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Processor.Worker.RenderPages (file, options);
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Tracker.IncrementTotalProgress ();
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if (AppContext.Abort) {
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return;
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}
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}
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}
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else {
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Processor.Worker.RenderPages (files[0], options);
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}
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};
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worker.RunWorkerCompleted += (dummy, arg) => { AppContext.ImageExtracter.OutputPath = _ExtractPageRangeBox.Text; };
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var option = AppContext.ImageRenderer;
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option.ColorSpace = _ColorSpaceRgbBox.Checked ? ColorSpace.Rgb : ColorSpace.Gray;
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option.ExtractPageRange = _ExtractPageRangeBox.Text;
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option.ExtractImagePath = _TargetBox.Text;
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option.FileMask = _FileNameMaskBox.Text;
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option.HideAnnotations = _HideAnnotationsBox.Checked;
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option.HorizontalFlipImages = _HorizontalFlipImageBox.Checked;
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option.InvertColor = _InvertColorBox.Checked;
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option.FileFormat = ValueHelper.MapValue (_ImageFormatBox.SelectedIndex, new int[] { 0, 1, 2 }, new ImageFormat[] { ImageFormat.Png, ImageFormat.Jpeg, ImageFormat.Tiff }, ImageFormat.Png);
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option.ImageWidth = (int)_ExtractPageImageWidthBox.Value;
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option.JpegQuality = _JpegQualityBox.Text.TryParse (out int j)
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? j > 0 && j <= 100 ? j : 75
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: 75;
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option.Quantize = _QuantizeBox.Checked;
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option.Dpi = _ResolutionBox.Text.ToSingle ();
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option.Rotation = _RotationBox.SelectedIndex * 90;
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option.ScaleRatio = (float)_ExtractPageRatioBox.Value;
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option.UseSpecificWidth = _SpecificWidthBox.Checked;
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option.VerticalFlipImages = _VerticalFlipImageBox.Checked;
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worker.RunWorkerAsync (
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new object[] {
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AppContext.SourceFiles, option
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});
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option = null;
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}
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#region IDefaultButtonControl 成员
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public override Button DefaultButton {
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get { return _ExtractButton; }
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}
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#endregion
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private void _GoToImportImageLink_LinkClicked (object sender, LinkLabelLinkClickedEventArgs e) {
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AppContext.MainForm.SelectFunctionList (Function.Patcher);
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}
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private void _FileNameMaskBox_TextChanged (object sender, EventArgs e) {
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ShowFileMaskPreview ();
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}
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private void ShowFileMaskPreview () {
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try {
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var previews = new string[7];
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var f = _FileNameMaskBox.Text;
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previews[0] = 1.ToString (f) + ".jpg";
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previews[1] = 2.ToString (f) + ".jpg";
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previews[2] = 3.ToString (f) + ".jpg ...";
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previews[3] = "\n" + 11.ToString (f) + ".jpg";
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previews[4] = 12.ToString (f) + ".jpg";
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previews[5] = 13.ToString (f) + ".jpg ...";
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previews[6] = 100.ToString (f) + ".jpg";
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_FileMaskPreviewBox.Text = String.Join (" ", previews);
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}
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catch (Exception) {
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_FileMaskPreviewBox.Text = "文件名掩码无效。";
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}
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}
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private void Control_Show (object sender, EventArgs e) {
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if (this.Visible && AppContext.MainForm != null) {
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this._TargetBox.Contents = AppContext.Recent.Folders;
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}
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//else if (this.Visible == false) {
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// this._TargetBox.DataSource = null;
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//}
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}
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}
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}
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