mirror of
https://github.com/crskycode/GARbro.git
synced 2024-12-27 05:14:16 +08:00
310 lines
11 KiB
C#
310 lines
11 KiB
C#
//! \file ImagePreview.cs
|
|
//! \date Sun Jul 06 06:34:56 2014
|
|
//! \brief preview images.
|
|
//
|
|
// Copyright (C) 2014-2015 by morkt
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to
|
|
// deal in the Software without restriction, including without limitation the
|
|
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
|
// sell copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
// IN THE SOFTWARE.
|
|
//
|
|
|
|
using System;
|
|
using System.IO;
|
|
using System.Linq;
|
|
using System.Collections.Generic;
|
|
using System.Diagnostics;
|
|
using System.ComponentModel;
|
|
using System.Windows;
|
|
using System.Windows.Controls;
|
|
using System.Windows.Input;
|
|
using System.Windows.Media.Imaging;
|
|
using System.Windows.Threading;
|
|
using GARbro.GUI.Strings;
|
|
using GARbro.GUI.Properties;
|
|
using GameRes;
|
|
using System.Text;
|
|
using System.Windows.Documents;
|
|
using System.Windows.Media;
|
|
using System.Globalization;
|
|
|
|
namespace GARbro.GUI
|
|
{
|
|
public partial class MainWindow : Window
|
|
{
|
|
private readonly BackgroundWorker m_preview_worker = new BackgroundWorker();
|
|
private PreviewFile m_current_preview = new PreviewFile();
|
|
private bool m_preview_pending = false;
|
|
|
|
private UIElement m_active_viewer;
|
|
public UIElement ActiveViewer
|
|
{
|
|
get { return m_active_viewer; }
|
|
set
|
|
{
|
|
if (value == m_active_viewer)
|
|
return;
|
|
m_active_viewer = value;
|
|
m_active_viewer.Visibility = Visibility.Visible;
|
|
bool exists = false;
|
|
foreach (var c in PreviewPane.Children.Cast<UIElement>())
|
|
{
|
|
if (c != m_active_viewer)
|
|
c.Visibility = Visibility.Collapsed;
|
|
else
|
|
exists = true;
|
|
}
|
|
if (!exists)
|
|
PreviewPane.Children.Add (m_active_viewer);
|
|
}
|
|
}
|
|
|
|
class PreviewFile
|
|
{
|
|
public string Path { get; set; }
|
|
public string Name { get; set; }
|
|
public Entry Entry { get; set; }
|
|
public ArcFile Archive { get; set; }
|
|
|
|
public bool IsEqual (string path, string name)
|
|
{
|
|
return path.Equals (Path) && name.Equals (Name);
|
|
}
|
|
}
|
|
|
|
private void InitPreviewPane ()
|
|
{
|
|
m_preview_worker.DoWork += (s, e) => LoadPreviewImage (e.Argument as PreviewFile);
|
|
m_preview_worker.RunWorkerCompleted += (s, e) => {
|
|
if (m_preview_pending)
|
|
RefreshPreviewPane();
|
|
};
|
|
ActiveViewer = ImageView;
|
|
TextView.IsWordWrapEnabled = true;
|
|
}
|
|
|
|
private IEnumerable<Encoding> m_encoding_list = GetEncodingList();
|
|
public IEnumerable<Encoding> TextEncodings { get { return m_encoding_list; } }
|
|
|
|
private static IEnumerable<Encoding> GetEncodingList ()
|
|
{
|
|
var list = new HashSet<Encoding>();
|
|
list.Add (Encoding.Default);
|
|
var oem = CultureInfo.CurrentCulture.TextInfo.OEMCodePage;
|
|
list.Add (Encoding.GetEncoding (oem));
|
|
list.Add (Encoding.GetEncoding (932));
|
|
list.Add (Encoding.UTF8);
|
|
list.Add (Encoding.Unicode);
|
|
list.Add (Encoding.BigEndianUnicode);
|
|
return list;
|
|
}
|
|
|
|
private void OnEncodingSelect (object sender, SelectionChangedEventArgs e)
|
|
{
|
|
var enc = this.EncodingChoice.SelectedItem as Encoding;
|
|
if (null == enc || null == CurrentTextInput)
|
|
return;
|
|
TextView.CurrentEncoding = enc;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Display entry in preview panel
|
|
/// </summary>
|
|
private void PreviewEntry (Entry entry)
|
|
{
|
|
if (m_current_preview.IsEqual (ViewModel.Path, entry.Name))
|
|
return;
|
|
UpdatePreviewPane (entry);
|
|
}
|
|
|
|
void RefreshPreviewPane ()
|
|
{
|
|
m_preview_pending = false;
|
|
var current = CurrentDirectory.SelectedItem as EntryViewModel;
|
|
if (null != current)
|
|
UpdatePreviewPane (current.Source);
|
|
else
|
|
ResetPreviewPane();
|
|
}
|
|
|
|
void ResetPreviewPane ()
|
|
{
|
|
ActiveViewer = ImageView;
|
|
ImageCanvas.Source = null;
|
|
TextView.Clear();
|
|
CurrentTextInput = null;
|
|
}
|
|
|
|
bool IsPreviewPossible (Entry entry)
|
|
{
|
|
return "image" == entry.Type || "script" == entry.Type
|
|
|| (string.IsNullOrEmpty (entry.Type) && entry.Size < 0x100000);
|
|
}
|
|
|
|
void UpdatePreviewPane (Entry entry)
|
|
{
|
|
SetStatusText ("");
|
|
var vm = ViewModel;
|
|
m_current_preview = new PreviewFile { Path = vm.Path, Name = entry.Name, Entry = entry };
|
|
ImageCanvas.Source = null;
|
|
TextView.Clear();
|
|
if (!IsPreviewPossible (entry))
|
|
{
|
|
ActiveViewer = ImageView;
|
|
return;
|
|
}
|
|
if (vm.IsArchive)
|
|
m_current_preview.Archive = m_app.CurrentArchive;
|
|
if ("image" != entry.Type)
|
|
LoadPreviewText (m_current_preview);
|
|
else if (!m_preview_worker.IsBusy)
|
|
m_preview_worker.RunWorkerAsync (m_current_preview);
|
|
else
|
|
m_preview_pending = true;
|
|
}
|
|
|
|
private Stream m_current_text;
|
|
private Stream CurrentTextInput
|
|
{
|
|
get { return m_current_text; }
|
|
set
|
|
{
|
|
if (value == m_current_text)
|
|
return;
|
|
if (null != m_current_text)
|
|
m_current_text.Dispose();
|
|
m_current_text = value;
|
|
}
|
|
}
|
|
|
|
Stream OpenPreviewStream (PreviewFile preview)
|
|
{
|
|
if (null == preview.Archive)
|
|
{
|
|
string filename = Path.Combine (preview.Path, preview.Name);
|
|
return File.OpenRead (filename);
|
|
}
|
|
else
|
|
{
|
|
return preview.Archive.OpenSeekableEntry (preview.Entry);
|
|
}
|
|
}
|
|
|
|
void LoadPreviewText (PreviewFile preview)
|
|
{
|
|
Stream file = null;
|
|
try
|
|
{
|
|
file = OpenPreviewStream (preview);
|
|
if (!TextView.IsTextFile (file))
|
|
{
|
|
ResetPreviewPane();
|
|
return;
|
|
}
|
|
var enc = EncodingChoice.SelectedItem as Encoding;
|
|
if (null == enc)
|
|
{
|
|
enc = TextView.GuessEncoding (file);
|
|
EncodingChoice.SelectedItem = enc;
|
|
}
|
|
TextView.DisplayStream (file, enc);
|
|
ActiveViewer = TextView;
|
|
CurrentTextInput = file;
|
|
file = null;
|
|
}
|
|
catch (Exception X)
|
|
{
|
|
SetStatusText (X.Message);
|
|
}
|
|
finally
|
|
{
|
|
if (file != null)
|
|
file.Dispose();
|
|
}
|
|
}
|
|
|
|
void LoadPreviewImage (PreviewFile preview)
|
|
{
|
|
try
|
|
{
|
|
using (var file = OpenPreviewStream (preview))
|
|
{
|
|
var data = ImageFormat.Read (file);
|
|
if (null != data)
|
|
SetPreviewImage (preview, data.Bitmap);
|
|
else
|
|
Trace.WriteLine ("Cannot parse image format", preview.Name);
|
|
}
|
|
}
|
|
catch (Exception X)
|
|
{
|
|
SetStatusText (X.Message);
|
|
}
|
|
}
|
|
|
|
void SetPreviewImage (PreviewFile preview, BitmapSource bitmap)
|
|
{
|
|
if (bitmap.DpiX != Desktop.DpiX || bitmap.DpiY != Desktop.DpiY)
|
|
{
|
|
int stride = bitmap.PixelWidth * ((bitmap.Format.BitsPerPixel + 7) / 8);
|
|
var pixels = new byte[stride*bitmap.PixelHeight];
|
|
bitmap.CopyPixels (pixels, stride, 0);
|
|
var fixed_bitmap = BitmapSource.Create (bitmap.PixelWidth, bitmap.PixelHeight,
|
|
Desktop.DpiX, Desktop.DpiY, bitmap.Format, bitmap.Palette, pixels, stride);
|
|
bitmap = fixed_bitmap;
|
|
}
|
|
if (!bitmap.IsFrozen)
|
|
bitmap.Freeze();
|
|
Dispatcher.Invoke (() =>
|
|
{
|
|
if (m_current_preview == preview) // compare by reference
|
|
{
|
|
ActiveViewer = ImageView;
|
|
ImageCanvas.Source = bitmap;
|
|
SetStatusText (string.Format (guiStrings.MsgImageSize, bitmap.PixelWidth,
|
|
bitmap.PixelHeight, bitmap.Format.BitsPerPixel));
|
|
}
|
|
});
|
|
}
|
|
|
|
/// <summary>
|
|
/// Fit window size to image.
|
|
/// </summary>
|
|
private void FitWindowExec (object sender, ExecutedRoutedEventArgs e)
|
|
{
|
|
var image = ImageCanvas.Source;
|
|
if (null == image)
|
|
return;
|
|
var width = image.Width + Settings.Default.lvPanelWidth.Value + 1;
|
|
var height = image.Height;
|
|
width = Math.Max (ContentGrid.ActualWidth, width);
|
|
height = Math.Max (ContentGrid.ActualHeight, height);
|
|
if (width > ContentGrid.ActualWidth || height > ContentGrid.ActualHeight)
|
|
{
|
|
ContentGrid.Width = width;
|
|
ContentGrid.Height = height;
|
|
this.SizeToContent = SizeToContent.WidthAndHeight;
|
|
Dispatcher.InvokeAsync (() => {
|
|
this.SizeToContent = SizeToContent.Manual;
|
|
ContentGrid.Width = double.NaN;
|
|
ContentGrid.Height = double.NaN;
|
|
}, DispatcherPriority.ContextIdle);
|
|
}
|
|
}
|
|
}
|
|
}
|