From a816dcee8d9f954962a9036ddb98ff4ee313f7f4 Mon Sep 17 00:00:00 2001
From: Ghislain1 <gzeleu@outlook.de>
Date: Fri, 11 Aug 2023 23:48:48 +0200
Subject: [PATCH] Add Magnifier

---
 Ghis.Controls.Test/Magnifier/MagnifierTest.cs | 10 ++--
 Ghis.Controls/Assets/Magnifier.xaml           | 51 +++++++++++++++++++
 Ghis.Controls/Ghis.Controls.csproj            | 12 +++++
 Ghis.Controls/Magnifier/Magnifier.cs          |  5 +-
 Ghis.Controls/Themes/Generic.xaml             |  1 +
 5 files changed, 73 insertions(+), 6 deletions(-)
 create mode 100644 Ghis.Controls/Assets/Magnifier.xaml

diff --git a/Ghis.Controls.Test/Magnifier/MagnifierTest.cs b/Ghis.Controls.Test/Magnifier/MagnifierTest.cs
index 39b3239..e642bdd 100644
--- a/Ghis.Controls.Test/Magnifier/MagnifierTest.cs
+++ b/Ghis.Controls.Test/Magnifier/MagnifierTest.cs
@@ -10,6 +10,7 @@ namespace Ghis.Controls.Test.Magnifier;
 
 using Ghis.Controls.Test.Shared;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
+using Ghis.Controls.Magnifier;
 using System;
     using System.Collections.Generic;
     using System.Linq;
@@ -18,6 +19,7 @@ namespace Ghis.Controls.Test.Magnifier;
 using System.Windows.Controls;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
+using System.Windows.Media.Media3D;
 
 [TestClass]
 public class MagnifierTest
@@ -26,14 +28,12 @@ public class MagnifierTest
     public void Show_Magnifier_InAction_Test()
     {
         var content = new UserControl();
-        var urlString = @"pack://application:,,,/ Ghis.Controls;component/Assets/images/background.love.jpg";
-        //content.Height = 400;
-        //content.Width = 400;
-        // Image Source = "pack://application:,,,/WPFDevelopers.Samples;component/Resources/Images/Craouse/0.jpg"
+        var urlString = @"pack://application:,,,/ Ghis.Controls;component/Assets/images/background.love.jpg";   
         var image = new Image() { Source = new BitmapImage(new Uri(urlString, UriKind.Absolute))};
- 
+        image.Margin = new System.Windows.Thickness(10);
         content.Background = Brushes.AliceBlue;
         content.Content= image;
+        image.SetValue(Magnifier.AddProperty, Magnifier.Default);
         WpfInteraction.ShowDialog(content);
     }
 }
diff --git a/Ghis.Controls/Assets/Magnifier.xaml b/Ghis.Controls/Assets/Magnifier.xaml
new file mode 100644
index 0000000..b4ffc7b
--- /dev/null
+++ b/Ghis.Controls/Assets/Magnifier.xaml
@@ -0,0 +1,51 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                      xmlns:controls="clr-namespace:Ghis.Controls.Magnifier">
+    <ResourceDictionary.MergedDictionaries>
+      <!--<ResourceDictionary Source="Basic/ControlBasic.xaml" />-->
+    </ResourceDictionary.MergedDictionaries>
+    <Style x:Key="WD.Magnifier"          
+           TargetType="{x:Type controls:Magnifier}">
+      <Setter Property="HorizontalAlignment"
+              Value="Left" />
+      <Setter Property="VerticalAlignment"
+              Value="Top" />
+      <Setter Property="IsHitTestVisible"
+              Value="False" />
+      <Setter Property="Width"
+              Value="200" />
+      <Setter Property="Height"
+              Value="200" />
+      <Setter Property="BorderThickness"
+              Value="8" />
+      <Setter Property="BorderBrush"
+              Value="GreenYellow" />
+      <Setter Property="Template">
+        <Setter.Value>
+          <ControlTemplate TargetType="{x:Type controls:Magnifier}">
+            <Canvas Name="PART_Canvas">
+              <Border x:Name="PART_Border"
+                      Width="{TemplateBinding Height}"
+                      Height="{TemplateBinding Height}"
+                      Background="{TemplateBinding Background}"
+                      BorderBrush="{TemplateBinding BorderBrush}"
+                      BorderThickness="{TemplateBinding BorderThickness}"
+                      CornerRadius="{TemplateBinding CornerRadius}">
+                <Ellipse>
+                  <Ellipse.Fill>
+                    <VisualBrush x:Name="PART_VisualBrush"
+                                 ViewboxUnits="Absolute"
+                                 Visual="{Binding ParentTarget, RelativeSource={RelativeSource TemplatedParent}}" />
+                  </Ellipse.Fill>
+                </Ellipse>
+              </Border>
+            </Canvas>
+          </ControlTemplate>
+        </Setter.Value>
+      </Setter>
+    </Style>
+  
+    <Style BasedOn="{StaticResource WD.Magnifier}"
+           TargetType="{x:Type controls:Magnifier}" />
+  
+  </ResourceDictionary>
diff --git a/Ghis.Controls/Ghis.Controls.csproj b/Ghis.Controls/Ghis.Controls.csproj
index b624701..d9a52ed 100644
--- a/Ghis.Controls/Ghis.Controls.csproj
+++ b/Ghis.Controls/Ghis.Controls.csproj
@@ -16,6 +16,10 @@
     <SignAssembly>True</SignAssembly>
     <ProduceReferenceAssembly>False</ProduceReferenceAssembly>    
   </PropertyGroup>
+
+  <ItemGroup>
+    <None Remove="Assets\images\background.love.jpg" />
+  </ItemGroup>
   
   
 
@@ -25,6 +29,14 @@
       <PackagePath></PackagePath>
     </None>
   </ItemGroup>
+  
+  
+
+  <ItemGroup>
+    <Resource Include="Assets\images\background.love.jpg">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Resource>
+  </ItemGroup>
 
 
 </Project>
\ No newline at end of file
diff --git a/Ghis.Controls/Magnifier/Magnifier.cs b/Ghis.Controls/Magnifier/Magnifier.cs
index 51d0db3..40c41a6 100644
--- a/Ghis.Controls/Magnifier/Magnifier.cs
+++ b/Ghis.Controls/Magnifier/Magnifier.cs
@@ -108,7 +108,10 @@ private void Element_MouseMove(object sender, MouseEventArgs e)
 
     private void MoveMagnifier()
     {
-        if (_border == null) return;
+        if (_border == null)
+        {
+            return;
+        }
         var length = Width * _factor;
         var radius = length / 2;
         var parentTargetPoint = Mouse.GetPosition(ParentTarget);
diff --git a/Ghis.Controls/Themes/Generic.xaml b/Ghis.Controls/Themes/Generic.xaml
index 69306cf..e2a48d1 100644
--- a/Ghis.Controls/Themes/Generic.xaml
+++ b/Ghis.Controls/Themes/Generic.xaml
@@ -5,6 +5,7 @@
     <ResourceDictionary Source="/Ghis.Controls;component/Assets/GhisBusyIndicator.xaml"/>
     <ResourceDictionary Source="/Ghis.Controls;component/Assets/LineChartAndPieChart.xaml"/>
     <ResourceDictionary Source="/Ghis.Controls;component/Assets/GhisTabHeaderControl.xaml" />
+    <ResourceDictionary Source="/Ghis.Controls;component/Assets/Magnifier.xaml" />
   </ResourceDictionary.MergedDictionaries>
   <!-- Arugment used inside the element in MergedDictionaries !!! up -->
   <SolidColorBrush x:Key="Accent" Color="Green" />