windows/QuickLook
1
0
Fork 0
mirror of https://github.com/QL-Win/QuickLook.git synced 2025-09-11 17:59:17 +00:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

#116: indicate current zoom level for images

Browse Source
This commit is contained in:
Paddy Xu
2017-11-16 22:47:23 +02:00
parent 734b0e36e3
commit 93dae0a8ca
3 changed files with 58 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
QuickLook.Plugin/QuickLook.Plugin.ImageViewer/ImagePanel.xaml
View File

@@ -9,7 +9,7 @@
x:Name="imagePanel"
d:DesignHeight="300" d:DesignWidth="300">
<Grid>
<Rectangle Visibility="{Binding BackgroundVisibility, ElementName=imagePanel}">
<Rectangle Visibility="{Binding BackgroundVisibility, ElementName=imagePanel}" RenderOptions.BitmapScalingMode="NearestNeighbor">
<Rectangle.Fill>
<ImageBrush x:Name="backgroundBrush" ImageSource="Resources/background-b.png" AlignmentY="Top"
Viewport="0,0,32,32"
@@ -22,5 +22,19 @@
RenderOptions.BitmapScalingMode="{Binding RenderMode, ElementName=imagePanel}"
AnimationUri="{Binding ImageUriSource, ElementName=imagePanel}" />
</ScrollViewer>
<Border x:Name="zoomLevelInfo" CornerRadius="5" IsHitTestVisible="False" Opacity="0" Background="Gray" Padding="15,4,15,4" HorizontalAlignment="Center" VerticalAlignment="Center">
<TextBlock Foreground="White" FontSize="18" Text="{Binding ElementName=imagePanel, Path=ZoomFactor, StringFormat={}{0:P0}}" />
<Border.Resources>
<Storyboard x:Key="StoryboardShowZoomLevelInfo">
<DoubleAnimationUsingKeyFrames Storyboard.Target="{Binding Source={x:Reference zoomLevelInfo}}" Storyboard.TargetProperty="Opacity">
<DoubleAnimationUsingKeyFrames.KeyFrames>
<LinearDoubleKeyFrame Value="0.9" KeyTime="0:0:0.1" />
<LinearDoubleKeyFrame Value="0.9" KeyTime="0:0:0.6" />
<LinearDoubleKeyFrame Value="0" KeyTime="0:0:0.8" />
</DoubleAnimationUsingKeyFrames.KeyFrames>
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</Border.Resources>
</Border>
</Grid>
</UserControl>

44
QuickLook.Plugin/QuickLook.Plugin.ImageViewer/ImagePanel.xaml.cs
View File

@@ -25,6 +25,7 @@ using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Media.Imaging;
using System.Windows.Threading;
using QuickLook.Annotations;
@@ -41,11 +42,13 @@ namespace QuickLook.Plugin.ImageViewer
private Visibility _backgroundVisibility = Visibility.Visible;
private Point? _dragInitPos;
private Uri _imageSource;
private bool _isZoomFactorFirstSet = true;
private DateTime _lastZoomTime = DateTime.MinValue;
private double _maxZoomFactor = 3d;
private Meta _meta;
private double _minZoomFactor = 0.1d;
private BitmapScalingMode _renderMode = BitmapScalingMode.HighQuality;
private bool _showZoomLevelInfo = true;
private BitmapSource _source;
private double _zoomFactor = 1d;
@@ -77,6 +80,17 @@ namespace QuickLook.Plugin.ImageViewer
Meta = meta;
}
public bool ShowZoomLevelInfo
{
get => _showZoomLevelInfo;
set
{
if (value == _showZoomLevelInfo) return;
_showZoomLevelInfo = value;
OnPropertyChanged();
}
}
public BitmapScalingMode RenderMode
{
get => _renderMode;
@@ -144,6 +158,14 @@ namespace QuickLook.Plugin.ImageViewer
{
_zoomFactor = value;
OnPropertyChanged();
if (_isZoomFactorFirstSet)
{
_isZoomFactorFirstSet = false;
return;
}
if (ShowZoomLevelInfo)
((Storyboard) zoomLevelInfo.FindResource("StoryboardShowZoomLevelInfo")).Begin();
}
}
@@ -194,6 +216,8 @@ namespace QuickLook.Plugin.ImageViewer
private void ImagePanel_SizeChanged(object sender, SizeChangedEventArgs e)
{
UpdateZoomToFitFactor();
if (ZoomToFit)
DoZoomToFit();
}
@@ -295,20 +319,29 @@ namespace QuickLook.Plugin.ImageViewer
}
public void DoZoomToFit()
{
UpdateZoomToFitFactor();
Zoom(ZoomToFitFactor, false, true);
}
private void UpdateZoomToFitFactor()
{
if (viewPanelImage.Source == null)
{
ZoomToFitFactor = 1d;
return;
}
var factor = Math.Min(viewPanel.ActualWidth / viewPanelImage.Source.Width,
viewPanel.ActualHeight / viewPanelImage.Source.Height);
ZoomToFitFactor = factor;
Zoom(factor, false, true);
}
public void ResetZoom()
{
ZoomToFitFactor = 1;
Zoom(1d, true);
}
@@ -317,12 +350,19 @@ namespace QuickLook.Plugin.ImageViewer
if (viewPanelImage.Source == null)
return;
// pause when fit width
if (ZoomFactor < ZoomToFitFactor && factor > ZoomToFitFactor
|| ZoomFactor > ZoomToFitFactor && factor < ZoomToFitFactor)
{
factor = ZoomToFitFactor;
ZoomToFit = true;
}
// pause when 100%
else if (ZoomFactor < 1 && factor > 1 || ZoomFactor > 1 && factor < 1)
{
factor = 1;
ZoomToFit = false;
}
else
{
if (!isToFit)

2
QuickLook.Plugin/QuickLook.Plugin.PDFViewer/PdfViewerControl.xaml
View File

@@ -70,7 +70,7 @@
</ListBox.ItemTemplate>
</ListBox>
<Grid Grid.Column="1" Background="#00EFEFEF">
<imageViewer:ImagePanel x:Name="pagePanel" RenderMode="NearestNeighbor" BackgroundVisibility="Collapsed" />
<imageViewer:ImagePanel x:Name="pagePanel" RenderMode="NearestNeighbor" ShowZoomLevelInfo="False" BackgroundVisibility="Collapsed" />
</Grid>
</Grid>
</UserControl>