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70 changes: 48 additions & 22 deletions
70
src/WPFDevelopers.Samples.Shared/ExampleViews/ScreenCutExample.xaml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,27 +1,53 @@ | ||
| <UserControl x:Class="WPFDevelopers.Samples.ExampleViews.ScreenCutExample" | ||
| xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" | ||
| xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" | ||
| xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" | ||
| xmlns:d="http://schemas.microsoft.com/expression/blend/2008" | ||
| xmlns:local="clr-namespace:WPFDevelopers.Samples.ExampleViews" | ||
| xmlns:controls="clr-namespace:WPFDevelopers.Samples.Controls" | ||
| mc:Ignorable="d" | ||
| d:DesignHeight="450" d:DesignWidth="800"> | ||
| <UserControl | ||
| x:Class="WPFDevelopers.Samples.ExampleViews.ScreenCutExample" | ||
| xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" | ||
| xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" | ||
| xmlns:controls="clr-namespace:WPFDevelopers.Samples.Controls" | ||
| xmlns:d="http://schemas.microsoft.com/expression/blend/2008" | ||
| xmlns:local="clr-namespace:WPFDevelopers.Samples.ExampleViews" | ||
| xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" | ||
| d:DesignHeight="450" | ||
| d:DesignWidth="800" | ||
| mc:Ignorable="d"> | ||
| <controls:CodeViewer> | ||
| <UniformGrid Rows="2"> | ||
| <CheckBox Content="截图时隐藏当前窗口" | ||
| VerticalAlignment="Bottom" HorizontalAlignment="Center" | ||
| IsChecked="{Binding RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type local:ScreenCutExample}}, Path=IsChecked}"/> | ||
| <Button Content="截屏" VerticalAlignment="Top" HorizontalAlignment="Center" Click="Button_Click" | ||
| Margin="0,10"/> | ||
| </UniformGrid> | ||
| <Grid> | ||
| <Grid.RowDefinitions> | ||
| <RowDefinition Height="Auto" /> | ||
| <RowDefinition /> | ||
| <RowDefinition /> | ||
| </Grid.RowDefinitions> | ||
| <Grid.ColumnDefinitions> | ||
| <ColumnDefinition /> | ||
| <ColumnDefinition /> | ||
| </Grid.ColumnDefinitions> | ||
| <CheckBox | ||
| Margin="0,10,0,10" | ||
| HorizontalAlignment="Center" | ||
| Content="截图时隐藏当前窗口" | ||
| IsChecked="{Binding RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type local:ScreenCutExample}}, Path=IsChecked}" /> | ||
| <Button | ||
| Grid.Row="1" | ||
| HorizontalAlignment="Center" | ||
| VerticalAlignment="Top" | ||
| Click="Button_Click" | ||
| Content="截屏" /> | ||
| <Button | ||
| Grid.Row="1" | ||
| Grid.Column="1" | ||
| HorizontalAlignment="Center" | ||
| VerticalAlignment="Top" | ||
| Click="ButtonExt_Click" | ||
| Content="截屏Ext" | ||
| Style="{StaticResource WD.SuccessPrimaryButton}" /> | ||
| <Image | ||
| x:Name="myImage" | ||
| Grid.Row="2" | ||
| Grid.ColumnSpan="2" | ||
| Stretch="Uniform" /> | ||
| </Grid> | ||
| <controls:CodeViewer.SourceCodes> | ||
| <controls:SourceCodeModel | ||
| CodeSource="/WPFDevelopers.SamplesCode;component/ExampleViews/ScreenCutExample.xaml" | ||
| CodeType="Xaml"/> | ||
| <controls:SourceCodeModel | ||
| CodeSource="/WPFDevelopers.SamplesCode;component/ExampleViews/ScreenCutExample.xaml.cs" | ||
| CodeType="CSharp"/> | ||
| <controls:SourceCodeModel CodeSource="/WPFDevelopers.SamplesCode;component/ExampleViews/ScreenCutExample.xaml" CodeType="Xaml" /> | ||
| <controls:SourceCodeModel CodeSource="/WPFDevelopers.SamplesCode;component/ExampleViews/ScreenCutExample.xaml.cs" CodeType="CSharp" /> | ||
| </controls:CodeViewer.SourceCodes> | ||
| </controls:CodeViewer> | ||
| </UserControl> |
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105 changes: 105 additions & 0 deletions
105
src/WPFDevelopers.Shared/Controls/ScreenCut/ScreenCaptureExt.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| using System; | ||
| using System.Diagnostics; | ||
| using System.IO; | ||
| using System.Windows; | ||
| using System.Windows.Interop; | ||
| using System.Windows.Media.Imaging; | ||
|
|
||
| namespace WPFDevelopers.Controls | ||
| { | ||
| public class ScreenCaptureExt : Window | ||
| { | ||
| const int WM_USER = 0x03FC; | ||
| const int MY_MESSAGE = WM_USER + 1; | ||
| /// <summary> | ||
| /// 截图完成委托 | ||
| /// </summary> | ||
| public delegate void ScreenShotDone(BitmapSource bitmap); | ||
| /// <summary> | ||
| /// 截图完成事件 | ||
| /// </summary> | ||
| public event ScreenShotDone SnapCompleted; | ||
| /// <summary> | ||
| /// 截图取消委托 | ||
| /// </summary> | ||
| public delegate void ScreenShotCanceled(); | ||
| /// <summary> | ||
| /// 截图取消事件 | ||
| /// </summary> | ||
| public event ScreenShotCanceled SnapCanceled; | ||
|
|
||
| public ScreenCaptureExt() | ||
| { | ||
| Width = 0; | ||
| Height = 0; | ||
| Left = int.MinValue; | ||
| Top = int.MinValue; | ||
| WindowStyle = WindowStyle.None; | ||
| ShowInTaskbar = false; | ||
| ShowActivated = false; | ||
| Title = "ScreenShot"; | ||
| Show(); | ||
| ShowScreenShot(); | ||
| } | ||
|
|
||
| protected override void OnSourceInitialized(EventArgs e) | ||
| { | ||
| base.OnSourceInitialized(e); | ||
| var hwndSource = PresentationSource.FromVisual(this) as HwndSource; | ||
| if (hwndSource != null) hwndSource.AddHook(WndProc); | ||
| } | ||
|
|
||
| private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled) | ||
| { | ||
| switch (msg) | ||
| { | ||
| case WM_USER: | ||
| GetClipboard(); | ||
| Close(); | ||
| break; | ||
| case MY_MESSAGE: | ||
| if (SnapCanceled != null) | ||
| SnapCanceled(); | ||
| Close(); | ||
| break; | ||
| } | ||
| return IntPtr.Zero; | ||
| } | ||
|
|
||
| void GetClipboard() | ||
| { | ||
| if (Clipboard.ContainsImage()) | ||
| { | ||
| var dataObject = Clipboard.GetDataObject(); | ||
| if (dataObject == null) return; | ||
|
|
||
| using (var memoryStream = new MemoryStream()) | ||
| { | ||
| var encoder = new PngBitmapEncoder(); | ||
| encoder.Frames.Add(BitmapFrame.Create((BitmapSource)dataObject.GetData(DataFormats.Bitmap))); | ||
| encoder.Save(memoryStream); | ||
| memoryStream.Position = 0; | ||
| var bitmapImage = new BitmapImage(); | ||
| bitmapImage.BeginInit(); | ||
| bitmapImage.CacheOption = BitmapCacheOption.OnLoad; | ||
| bitmapImage.StreamSource = memoryStream; | ||
| bitmapImage.EndInit(); | ||
| bitmapImage.Freeze(); | ||
| if (SnapCompleted != null) | ||
| SnapCompleted(bitmapImage); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| void ShowScreenShot() | ||
| { | ||
| if (Helper.GetTempPathVersionExt != null && File.Exists(Helper.GetTempPathVersionExt)) | ||
| { | ||
| var process = new Process(); | ||
| process.StartInfo.FileName = Helper.GetTempPathVersionExt; | ||
| process.StartInfo.Arguments = Title; | ||
| process.Start(); | ||
| } | ||
| } | ||
| } | ||
| } |
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