changes
This commit is contained in:
Joseph Roy
parent
f85d3a9d04
commit
4a6d128216
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@ -9,7 +9,9 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ImplementationTest", "Imple
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EndProject
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "LensSimulatorWindows", "LensSimulatorWindows\LensSimulatorWindows.csproj", "{ACDB5AA7-0C3D-4923-9843-E850C3807041}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LensSimulator-WinForms", "LensSimulator-WinForms\LensSimulator-WinForms.csproj", "{F16F2F39-B341-4591-8D1E-A0BAC484248E}"
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "LensSimulator-WinForms", "LensSimulator-WinForms\LensSimulator-WinForms.csproj", "{F16F2F39-B341-4591-8D1E-A0BAC484248E}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LensSimulatorWPF", "LensSimulatorWPF\LensSimulatorWPF.csproj", "{0C57DE67-4CA1-4F8D-9D9F-9DF8FD1C87E1}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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@ -33,6 +35,10 @@ Global
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{F16F2F39-B341-4591-8D1E-A0BAC484248E}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{F16F2F39-B341-4591-8D1E-A0BAC484248E}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{F16F2F39-B341-4591-8D1E-A0BAC484248E}.Release|Any CPU.Build.0 = Release|Any CPU
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{0C57DE67-4CA1-4F8D-9D9F-9DF8FD1C87E1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{0C57DE67-4CA1-4F8D-9D9F-9DF8FD1C87E1}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{0C57DE67-4CA1-4F8D-9D9F-9DF8FD1C87E1}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{0C57DE67-4CA1-4F8D-9D9F-9DF8FD1C87E1}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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@ -0,0 +1,9 @@
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<Application x:Class="LensSimulatorWPF.App"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:local="clr-namespace:LensSimulatorWPF"
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StartupUri="MainWindow.xaml">
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<Application.Resources>
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</Application.Resources>
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</Application>
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@ -0,0 +1,17 @@
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using System;
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using System.Collections.Generic;
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using System.Configuration;
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using System.Data;
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using System.Linq;
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using System.Threading.Tasks;
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using System.Windows;
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namespace LensSimulatorWPF
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{
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/// <summary>
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/// Interaction logic for App.xaml
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/// </summary>
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public partial class App : Application
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{
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}
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}
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@ -0,0 +1,10 @@
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using System.Windows;
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[assembly: ThemeInfo(
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ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
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//(used if a resource is not found in the page,
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// or application resource dictionaries)
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ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
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//(used if a resource is not found in the page,
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// app, or any theme specific resource dictionaries)
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)]
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@ -0,0 +1,10 @@
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>WinExe</OutputType>
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<TargetFramework>net7.0-windows</TargetFramework>
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<Nullable>enable</Nullable>
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<UseWPF>true</UseWPF>
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</PropertyGroup>
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</Project>
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@ -0,0 +1,14 @@
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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup />
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<ItemGroup>
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<ApplicationDefinition Update="App.xaml">
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<SubType>Designer</SubType>
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</ApplicationDefinition>
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</ItemGroup>
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<ItemGroup>
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<Page Update="MainWindow.xaml">
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<SubType>Designer</SubType>
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</Page>
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</ItemGroup>
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</Project>
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@ -0,0 +1,21 @@
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<Window x:Class="LensSimulatorWPF.MainWindow"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
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xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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xmlns:local="clr-namespace:LensSimulatorWPF"
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mc:Ignorable="d"
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Title="MainWindow" Height="500" Width="500">
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<Grid Background="Black" HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
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<Grid>
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<Grid.RowDefinitions>
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<RowDefinition Height="50*"/>
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<RowDefinition Height="15*"/>
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</Grid.RowDefinitions>
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<Grid Background="Wheat ">
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<Canvas Name="canvas" Background="White" Width="1000" Height="1000"/>
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</Grid>
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</Grid>
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</Grid>
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</Window>
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@ -0,0 +1,144 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Data;
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using System.Windows.Documents;
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using System.Windows.Input;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
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using System.Windows.Navigation;
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using System.Windows.Shapes;
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namespace LensSimulatorWPF
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{
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/// <summary>
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/// Interaction logic for MainWindow.xaml
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/// </summary>
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public partial class MainWindow : Window
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{
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private Point _lastDragPoint;
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private Matrix _currentMatrix = Matrix.Identity;
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private const double ScaleRate = 1.1;
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private const double MinScale = 0.5;
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private const double MaxScale = 10.0;
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private Point lastZoomPos = new Point(0, 0);
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public MainWindow()
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{
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InitializeComponent();
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DrawGrid();
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this.MouseWheel += MainWindow_MouseWheel;
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this.MouseLeftButtonDown += MainWindow_MouseLeftButtonDown;
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this.MouseLeftButtonUp += MainWindow_MouseLeftButtonUp;
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this.MouseMove += MainWindow_MouseMove;
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}
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private void MainWindow_MouseWheel(object sender, MouseWheelEventArgs e)
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{
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var scale = e.Delta > 0 ? ScaleRate : 1 / ScaleRate;
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// Clamp the scale in between the min and max scale
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if (_currentMatrix.M11 * scale < MinScale || _currentMatrix.M11 * scale > MaxScale)
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{
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return;
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}
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// Get the mouse position in screen space (relative to canvas)
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var screenMousePos = e.GetPosition(canvas);
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// Convert the screen mouse position to the canvas space
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var matrix = _currentMatrix;
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matrix.Invert();
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var targetPointInCanvas = matrix.Transform(screenMousePos);
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lastZoomPos = targetPointInCanvas;
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// Perform the scale operation at the target point
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_currentMatrix.ScaleAtPrepend(scale, scale, canvas.ActualWidth/2, canvas.ActualHeight/ 2);
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// Apply the transformation to the canvas
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canvas.RenderTransform = new MatrixTransform(_currentMatrix);
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DrawGrid();
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}
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private void DrawGrid()
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{
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canvas.Children.Clear();
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double step = 50; // The M11 component of the matrix represents the scale in X
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double width = canvas.ActualWidth;
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double height = canvas.ActualHeight;
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for (double i = step; i < width; i += step)
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{
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canvas.Children.Add(new Line
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{
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Stroke = Brushes.LightGray,
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X1 = i,
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Y1 = 0,
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X2 = i,
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Y2 = height
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});
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}
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for (double i = step; i < height; i += step)
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{
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canvas.Children.Add(new Line
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{
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Stroke = Brushes.LightGray,
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X1 = 0,
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Y1 = i,
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X2 = width,
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Y2 = i
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});
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}
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var ellipse = new Ellipse
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{
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Fill = Brushes.Red,
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Width = 10,
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Height = 10
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};
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Canvas.SetLeft(ellipse, lastZoomPos.X - ellipse.Width / 2);
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Canvas.SetTop(ellipse, lastZoomPos.Y - ellipse.Height / 2);
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canvas.Children.Add(ellipse);
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}
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private void MainWindow_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
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{
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var mousePos = e.GetPosition(this);
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_lastDragPoint = new Point(mousePos.X - _currentMatrix.OffsetX, mousePos.Y - _currentMatrix.OffsetY);
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Mouse.Capture(this);
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}
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private void MainWindow_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
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{
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Mouse.Capture(null);
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}
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private void MainWindow_MouseMove(object sender, MouseEventArgs e)
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{
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if (e.LeftButton == MouseButtonState.Pressed)
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{
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var posNow = e.GetPosition(this);
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var deltaX = posNow.X - _lastDragPoint.X - _currentMatrix.OffsetX;
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var deltaY = posNow.Y - _lastDragPoint.Y - _currentMatrix.OffsetY;
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_currentMatrix.Translate(deltaX, deltaY);
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canvas.RenderTransform = new MatrixTransform(_currentMatrix);
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_lastDragPoint = new Point(posNow.X - _currentMatrix.OffsetX, posNow.Y - _currentMatrix.OffsetY);
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}
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}
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}
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}
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