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缩略图优化

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艾竹
2024-02-08 23:00:50 +08:00
parent f5e0275a8b
commit bbb5809790
8 changed files with 33 additions and 15 deletions
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2
AIStudio.Wpf.DiagramApp/ViewModels/MindViewModel.cs
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@@ -114,7 +114,7 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
protected override DiagramViewModel GetDiagramViewModel(string name, DiagramType diagramType, bool initNew)
{
var viewmodel = new MindDiagramViewModel() { Name = name ?? NewNameHelper.GetNewName(DiagramViewModels.Select(p => p.Name), "页-"), DiagramType = diagramType, MindType = MindType, MindTheme = MindTheme };
var viewmodel = new MindDiagramViewModel() { Name = name ?? NewNameHelper.GetNewName(DiagramViewModels.Select(p => p.Name), "页-"), DiagramType = diagramType, MindType = MindType, MindTheme = MindTheme, GenerateThumbnail = true };
viewmodel.Init(initNew);
return viewmodel;

7
AIStudio.Wpf.DiagramApp/ViewModels/PageViewModel.cs
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@@ -188,6 +188,7 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
if (_diagramViewModel != null)
{
_diagramViewModel.PropertyChanged += DiagramViewModel_PropertyChanged;
}
}
}
@@ -467,12 +468,12 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
protected virtual DiagramViewModel GetDiagramViewModel(DiagramItem diagramItem, string ext)
{
return new BlockDiagramViewModel(diagramItem, ext);
return new BlockDiagramViewModel(diagramItem, ext) { GenerateThumbnail = true};
}
protected virtual DiagramViewModel GetDiagramViewModel(string name, DiagramType diagramType, bool initNew)
{
return new BlockDiagramViewModel() { Name = name ?? NewNameHelper.GetNewName(DiagramViewModels.Select(p => p.Name), "页-"), DiagramType = diagramType };
return new BlockDiagramViewModel() { Name = name ?? NewNameHelper.GetNewName(DiagramViewModels.Select(p => p.Name), "页-"), DiagramType = diagramType,GenerateThumbnail = true };
}
public void AddCopyPageExecuted(object para)
@@ -483,7 +484,7 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
DiagramItem diagramItem = new DiagramItem(viewModel);
diagramItem.Name = NewNameHelper.GetNewName(DiagramViewModels.Select(p => p.Name), "页-");
viewModel = GetDiagramViewModel(diagramItem, ".json");
viewModel = GetDiagramViewModel(diagramItem, ".json");
DiagramViewModels.Add(viewModel);
DiagramViewModel = viewModel;

2
AIStudio.Wpf.DiagramApp/Views/ToolBoxControl.xaml
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@@ -524,7 +524,7 @@
<ListBox.ItemTemplate>
<DataTemplate>
<Grid >
<Border Margin="3" Height="100" Background="{Binding Thumbnail}" BorderThickness="1" BorderBrush="LightGray">
<Border Margin="3" Height="100" Background="{Binding Thumbnail}" RenderOptions.BitmapScalingMode="HighQuality" BorderThickness="1" BorderBrush="LightGray">
<Border.ContextMenu>
<ContextMenu>
<MenuItem Header="增加页" Command="{binding:ControlBinding PageViewModel.AddPageCommand}" CommandParameter="{Binding .}"/>

6
AIStudio.Wpf.DiagramDesigner/Controls/DesignerCanvas.cs
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@@ -302,12 +302,12 @@ namespace AIStudio.Wpf.DiagramDesigner
if (e.OldValue is IDiagramViewModel oldvalue)
{
//var image = this.ToBitmap().ToBitmapSource();
//oldvalue.Thumbnail = new ImageBrush(image) { Stretch = Stretch.Uniform };
}
if (e.NewValue is IDiagramViewModel newvalue)
{
newvalue.Thumbnail = new VisualBrush(this) { Stretch = Stretch.Uniform };
if (newvalue.GenerateThumbnail)
newvalue.Thumbnail = new VisualBrush(this) { Stretch = Stretch.Uniform };
}
}

5
AIStudio.Wpf.DiagramDesigner/Helpers/BitmapHelper.cs
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@@ -126,7 +126,10 @@ namespace AIStudio.Wpf.DiagramDesigner
{
var bitmapImage = base64String.ToBitmapImage(width, height);
return new System.Windows.Media.ImageBrush(bitmapImage) { Stretch = System.Windows.Media.Stretch.Uniform };
var brush = new System.Windows.Media.ImageBrush(bitmapImage) { Stretch = System.Windows.Media.Stretch.Uniform };
//brush.SetCurrentValue(System.Windows.Media.RenderOptions.BitmapScalingModeProperty, System.Windows.Media.BitmapScalingMode.HighQuality);
return brush;
}
catch
{

2
AIStudio.Wpf.DiagramDesigner/Models/Serializables/DiagramItem.cs
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@@ -34,7 +34,7 @@ namespace AIStudio.Wpf.DiagramDesigner
PageBackground = diagramView.DiagramOption.LayoutOption.PageBackground;
AllowDrop = diagramView.DiagramOption.LayoutOption.AllowDrop;
Thumbnail = diagramView.Thumbnail.ToBase64String();
Thumbnail = diagramView.Thumbnail?.ToBase64String();
var selectedDesignerItems = diagramView.Items.OfType<DesignerItemViewModelBase>();
var selectedConnections = diagramView.Items.OfType<ConnectionViewModel>();

20
AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/DiagramViewModel.cs
View File

@@ -346,6 +346,11 @@ namespace AIStudio.Wpf.DiagramDesigner
}
}
public bool GenerateThumbnail
{
get;set;
}
public bool ShowMenuOptions
{
get
@@ -873,7 +878,7 @@ namespace AIStudio.Wpf.DiagramDesigner
DiagramOption.LayoutOption.PageBackground = diagramItem.PageBackground;
DiagramOption.LayoutOption.AllowDrop = diagramItem.AllowDrop;
Thumbnail = diagramItem.Thumbnail.ToBrush((int)DiagramOption.LayoutOption.PageSize.Width / 4, (int)DiagramOption.LayoutOption.PageSize.Height / 4);
Thumbnail = diagramItem.Thumbnail?.ToBrush((int)DiagramOption.LayoutOption.PageSize.Width, (int)DiagramOption.LayoutOption.PageSize.Height);
Init(true);
}
@@ -1025,11 +1030,16 @@ namespace AIStudio.Wpf.DiagramDesigner
public void SaveThumbnail()
{
if (Thumbnail is VisualBrush visualBrush)
if (GenerateThumbnail)
{
var size = ((UIElement)visualBrush.Visual).DesiredSize;
var image = visualBrush.ToBitmap(new Rect(size)).ToBitmapSource((int)size.Width / 4, (int)size.Height / 4);
Thumbnail = new ImageBrush(image) { Stretch = Stretch.Uniform };
if (Thumbnail is VisualBrush visualBrush)
{
var size = ((UIElement)visualBrush.Visual).DesiredSize;
var image = visualBrush.ToBitmap(new Rect(size)).ToBitmapSource((int)size.Width, (int)size.Height);
var brush = new ImageBrush(image) { Stretch = Stretch.Uniform };
//brush.SetCurrentValue(RenderOptions.BitmapScalingModeProperty, BitmapScalingMode.HighQuality);
Thumbnail = brush;
}
}
}

4
AIStudio.Wpf.DiagramDesigner/ViewModels/Interface/IDiagramViewModel.cs
View File

@@ -294,6 +294,10 @@ namespace AIStudio.Wpf.DiagramDesigner
{
get; set;
}
bool GenerateThumbnail
{
get; set;
}
#region 如果这个赋值了，优先用这个的
IDrawModeViewModel DrawModeViewModel
{