static void SetScale(ImageScanWindow scan)
{
double scaleX = 1d;
if (scan.rotate.Angle == 90 || scan.rotate.Angle == 270)
{
if (_originalImageWidth > scan.gridScan.ActualHeight)
{
scaleX = Math.Round(scan.gridScan.ActualHeight / _originalImageWidth, 1);
}
else if (_originalImageHeight > scan.gridScan.ActualWidth)
{
scaleX = Math.Round(scan.gridScan.ActualWidth / _originalImageHeight, 1);
}
}
else
{
if (_originalImageWidth > scan.gridScan.ActualWidth)
{
scaleX = Math.Round(scan.gridScan.ActualWidth / _originalImageWidth, 1);
}
else if (_originalImageHeight > scan.gridScan.ActualHeight)
{
scaleX = Math.Round(scan.gridScan.ActualHeight / _originalImageHeight, 1);
}
}
scan.Scale = scaleX;
scan.Scale = scan.Scale < 0.1 ? 0.1 : scan.Scale;
scan.scale.ScaleX = scan.scale.ScaleY = scan.Scale;
}
public static ImageScanWindow CreateOrActiveWindow(out bool isCreate)
{
if (_current != null)
{
isCreate = false;
return(_current);
}
else
{
isCreate = true;
return(_current = new ImageScanWindow());
}
}
private void ImageScanWindow_Closed(object sender, EventArgs e)
{
_current = null;
this.PreviewKeyDown -= ImageScanWindow_PreviewKeyDown;
this.thumb.DragDelta -= Thumb_DragDelta;
this.Closed -= ImageScanWindow_Closed;
this.Loaded -= ImageScanWindow_Loaded;
Views.ChildWindows.AppendWindow.AutoClose = false;
App.Current.MainWindow.Activate();
Views.ChildWindows.AppendWindow.AutoClose = true;
_sources = null;
this.img.Dispose();
}
public static void ShowScan(IList <MessageModel> list, MessageModel target)
{
if (list == null || list.Count == 0 || target == null)
{
return;
}
if (_current != null)
{
_current.Close();
}
ImageScanWindow scan = _current = new ImageScanWindow();
scan.img.Source = null;
scan._sources = list;
scan._target = target;
scan.ShowCurrent();
}
public static void ShowScan(string imgPath)
{
if (imgPath != IMAssets.ImageDeal.DefaultHeadImage && !System.IO.File.Exists(imgPath))
{
return;
}
bool isCreate;
if (_current != null)
{
_current.Close();
_current = null;
}
ImageScanWindow scan = CreateOrActiveWindow(out isCreate);
scan.rotate.Angle = 0;
scan.scale.ScaleX = scan.scale.ScaleY = 1;
scan.img.Visibility = Visibility.Visible;
BitmapImage img = new BitmapImage(new Uri(imgPath, UriKind.RelativeOrAbsolute));
SetProperty(imgPath, scan, img, false);
if (isCreate)
{
scan.ShowCurrent(imgPath);
}
else
{
Task.Delay(50).ContinueWith(task =>
{
scan.Dispatcher.Invoke(new Action(() =>
{
if (scan.WindowState == WindowState.Minimized)
{
scan.WindowState = WindowState.Normal;
}
scan.Activate();
}));
});
}
}
public static void ShowScan(ImageSource img)
{
if (img == null)
{
return;
}
bool isCreate;
ImageScanWindow scan = CreateOrActiveWindow(out isCreate);
scan.rotate.Angle = 0;
scan.scale.ScaleX = scan.scale.ScaleY = 1;
scan.img.Visibility = Visibility.Visible;
SetProperty(img.ToString(), scan, img, false);
string imgPath = img.ToString().Contains("file:///") ? img.ToString().Remove(0, "file:///".Length) : img.ToString();
if (isCreate)
{
scan.ShowCurrent(imgPath);
}
else
{
Task.Delay(50).ContinueWith(task =>
{
scan.Dispatcher.Invoke(new Action(() =>
{
if (scan.WindowState == WindowState.Minimized)
{
scan.WindowState = WindowState.Normal;
}
scan.Activate();
}));
});
}
}
private static void SetProperty(string imgPath, ImageScanWindow scan, ImageSource imgSouce, bool isResize = true)
{
if (imgSouce != null && imgSouce.Width > 0 && imgSouce.Height > 0)
{
_originalImageWidth = imgSouce.Width;
_originalImageHeight = imgSouce.Height;
if (_originalImageHeight > 450 || _originalImageWidth > 650)
{
double w = imgSouce.Width * 1.1, h = imgSouce.Height * 1.1;
//scan.Width = w + 60; scan.Height = h + 60;
w = Math.Max(w, PrimaryScreen.MaxAreaWidth * 0.4);
w = Math.Min(w, PrimaryScreen.MaxAreaWidth * 0.8);
h = Math.Max(h, PrimaryScreen.MaxAreaHeight * 0.4);
h = Math.Min(h, PrimaryScreen.MaxAreaHeight * 0.8);
if (_originalImageWidth > 650)
{
scan.img.Width = w;
}
else
{
scan.img.Width = _originalImageWidth;
}
if (_originalImageHeight > 450)
{
scan.img.Height = h;
}
else
{
scan.img.Height = _originalImageHeight;
}
scan.Width = scan.img.Width + 30;
scan.Height = scan.img.Height + 96;
scan.Left = (PrimaryScreen.MaxAreaWidth - scan.Width) / 2;
scan.Top = (PrimaryScreen.MaxAreaHeight - scan.Height) / 2;
}
else
{
scan.img.Width = _originalImageWidth;
scan.img.Height = _originalImageHeight;
scan.Width = 650;
scan.Height = _originalImageHeight + 90;
scan.Left = (PrimaryScreen.MaxAreaWidth - scan.Width) * 0.5;
scan.Top = (PrimaryScreen.MaxAreaHeight - scan.Height) * 0.5;
}
//scan.img.Source = imgSouce;
//scan.Show();
//if (!File.Exists(imgPath)) return;
if (imgPath.ToUpper().EndsWith(".GIF"))
{
Task.Delay(10).ContinueWith(task =>
{
scan.Dispatcher.Invoke(new Action(() =>
{
scan.img.FilePath = imgPath;
}));
});
}
else
{
scan.img.FilePath = imgPath;
}
}
}
private void SetImage(string imgPath, bool isImgExceed = false)
{
bool isCreate;
ImageScanWindow scan = CreateOrActiveWindow(out isCreate);
scan.Show();
//Application.Current.Dispatcher.BeginInvoke(System.Windows.Threading.DispatcherPriority.Background, new Action(() =>
//{
if (_currentPath != imgPath)
{
this.img.Dispose();
AsyncHandler.CallFuncWithUI(System.Windows.Application.Current.Dispatcher, () =>
{
try
{
scan.Dispatcher.Invoke(new Action(() =>
{
scan.loading.Visibility = Visibility.Visible;
}));
//this.img.Visibility = Visibility.Collapsed;
//this.tbInfo.Text = "图片加载中...";
//BitmapImage img = new BitmapImage(new Uri(imgPath, UriKind.RelativeOrAbsolute));
if (isImgExceed)
{
App.Current.Dispatcher.Invoke(() =>
{
this.img.Visibility = Visibility.Visible;
scan.loading.Visibility = Visibility.Collapsed;
BitmapImage img = new BitmapImage();
img.BeginInit();
img.CacheOption = BitmapCacheOption.OnLoad;
img.UriSource = new Uri(IMAssets.ImageDeal.ImgLoadFail);
img.EndInit();
img.Freeze();
this.tbInfo.Text = "图片已过期！";
this.img.Source = img;
//SetProperty(imgPath, scan, img, false);
SetState(true);
});
return(null);
}
else
{
var bitmap = new BitmapImage();
bitmap.BeginInit();
bitmap.CacheOption = BitmapCacheOption.OnLoad;
bitmap.StreamSource = new MemoryStream(File.ReadAllBytes(imgPath));
//bitmap.StreamSource = new MemoryStream(ImageHelper.ImageToBytes(path));
bitmap.EndInit();
bitmap.Freeze();
return(bitmap);
}
}
catch
{
try
{
BitmapImage img = new BitmapImage();
img.BeginInit();
img.CacheOption = BitmapCacheOption.OnLoad;
if (imgPath == IMAssets.ImageDeal.DefaultHeadImage)
{
img.UriSource = new Uri(imgPath);
}
else
{
img.StreamSource = new MemoryStream(ImageHelper.ImageToBytes(imgPath));
}
img.EndInit();
img.Freeze();
return(img);
}
catch
{
App.Current.Dispatcher.Invoke(() =>
{
this.img.Visibility = Visibility.Collapsed;
scan.loading.Visibility = Visibility.Collapsed;
IMClient.Helper.MessageHelper.LoadImgContent(_target);
_currentPath = imgPath;
this.Title = this.tbName.Text = System.IO.Path.GetFileName(imgPath);
this.tbInfo.Text = "加载失败！";
SetState(true);
});
return(null);
}
}
},
(ex, data) =>
{
if (data == null)
{
return;
}
scan.Dispatcher.Invoke(new Action(() =>
{
loading.Visibility = Visibility.Collapsed;
}));
SetProperty(imgPath, scan, data, false);
_currentPath = imgPath;
this.Title = this.tbName.Text = System.IO.Path.GetFileName(imgPath);
//Task.Delay(30).ContinueWith(task =>
//{
// scan.Dispatcher.Invoke(new Action(() =>
// {
if (scan.WindowState == WindowState.Minimized)
{
scan.WindowState = WindowState.Normal;
}
SetState(true);
scan.Activate();
//}));
//});
//}));
});
}
else
{
SetState(true);
}
}
