upload

.gitignore

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+# macOS
+.DS_Store
+__MACOSX
+
+# vscode
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+
+# vs
+.vs/
+
+# Build results
+[Bb]in/
+[Oo]bj/
+[Rr]elease/
+
+# sublime
+*.sublime-workspace

LICENSE

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+CPOL-1.02

README.md

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+<h1 align="center">微信表情包工具</h1>
+<h3 align="center">快速将QQ或其他表情包转换成微信可添加的表情</h3>
+
+## 举个栗子
+
+### 普通图片
+
+![screenshot_01.png](screenshot_01.png)
+
+### 转换为表情包
+
+![screenshot_01.png](screenshot_02.png)
+
+## 支持图片格式
+
+`png` `jpg` `bmp`
+
+不支持大图以及透明图，微信原生支持`gif`动图直接添加为表情，所以不需要转换。
+
+## 代码引用
+
+[NGif, Animated GIF Encoder for .NET](https://www.codeproject.com/Articles/11505/NGif-Animated-GIF-Encoder-for-NET)

pic2meme.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.28307.421
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "pic2meme", "pic2meme\pic2meme.csproj", "{0DAF5660-6734-4678-B69D-AF988F733AFB}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Debug|x86 = Debug|x86
+		Release|Any CPU = Release|Any CPU
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{0DAF5660-6734-4678-B69D-AF988F733AFB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0DAF5660-6734-4678-B69D-AF988F733AFB}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0DAF5660-6734-4678-B69D-AF988F733AFB}.Debug|x86.ActiveCfg = Debug|x86
+		{0DAF5660-6734-4678-B69D-AF988F733AFB}.Debug|x86.Build.0 = Debug|x86
+		{0DAF5660-6734-4678-B69D-AF988F733AFB}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0DAF5660-6734-4678-B69D-AF988F733AFB}.Release|Any CPU.Build.0 = Release|Any CPU
+		{0DAF5660-6734-4678-B69D-AF988F733AFB}.Release|x86.ActiveCfg = Release|x86
+		{0DAF5660-6734-4678-B69D-AF988F733AFB}.Release|x86.Build.0 = Release|x86
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {1E55E386-C1C8-404A-A66E-D3D39DC7342B}
+	EndGlobalSection
+EndGlobal

pic2meme/App.xaml

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+<Application x:Class="pic2meme.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:pic2meme"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+
+    </Application.Resources>
+</Application>

pic2meme/App.xaml.cs

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+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Windows;
+
+namespace pic2meme
+{
+    /// <summary>
+    /// App.xaml 的交互逻辑
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+}

pic2meme/MainWindow.xaml

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+<Window x:Class="pic2meme.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:pic2meme"
+        mc:Ignorable="d"
+        Title="微信表情包工具" Height="364.4" Width="550" AllowDrop="True" Drop="Window_Drop" KeyDown="Window_KeyDown">
+    <Grid>
+        <Label x:Name="Notice" Content="拖动或粘贴图片到此处进行表情包转换" FontSize="22" Margin="20,20,20,0" VerticalAlignment="Top" Height="54" HorizontalContentAlignment="Center" VerticalContentAlignment="Center"/>
+        <Image x:Name="Preview" HorizontalAlignment="Left" Height="200" Margin="175,106,0,0" VerticalAlignment="Top" Width="200" Stretch="Uniform" />
+    </Grid>
+</Window>

pic2meme/MainWindow.xaml.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+using System.Drawing;
+using System.Drawing.Imaging;
+using Gif.Components;
+using Image = System.Drawing.Image;
+using System.IO;
+using System.Collections.Specialized;
+
+namespace pic2meme
+{
+    /// <summary>
+    /// MainWindow.xaml 的交互逻辑
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        private enum ConvertMode
+        {
+            QuickConvert,
+            CompatibleConvert,
+        }
+
+        private ConvertMode convertMode = ConvertMode.CompatibleConvert;
+
+        public MainWindow()
+        {
+            InitializeComponent();
+            this.MinWidth = this.MaxWidth = this.Width;
+            this.MinHeight = this.MaxHeight = this.Height;
+        }
+
+        private void Window_KeyDown(object sender, KeyEventArgs e)
+        {
+            if (Keyboard.Modifiers == ModifierKeys.Control && e.Key == Key.V)
+            {
+                HandleDataObject(Clipboard.GetDataObject());
+            }
+        }
+
+        private void Window_Drop(object sender, DragEventArgs e)
+        {
+            HandleDataObject(e.Data);
+        }
+
+        private void HandleDataObject(IDataObject dataObject)
+        {
+            try
+            {
+                if (dataObject.GetDataPresent(DataFormats.FileDrop))
+                {
+                    var file = ((System.Array)dataObject.GetData(DataFormats.FileDrop)).GetValue(0).ToString();
+                    pic2meme(file);
+                }
+                else if (dataObject.GetDataPresent(DataFormats.Bitmap))
+                {
+                    var image = dataObject.GetData(DataFormats.Bitmap) as BitmapSource;
+                    var tmp = SaveBitmapSource(image);
+                    pic2meme(tmp);
+                }
+            }
+            catch
+            {
+            }
+        }
+
+        private string pic2meme(string image)
+        {
+            Notice.Content = "转换中...";
+
+            var tmpImage = GenerateTempFile(".gif");
+
+            if (convertMode == ConvertMode.QuickConvert)
+            {
+                try
+                {
+                    File.Copy(image, tmpImage);
+                }
+                catch
+                {
+                    tmpImage = null;
+                }
+            }
+            else
+            {
+                try
+                {
+                    AnimatedGifEncoder e = new AnimatedGifEncoder();
+                    e.Start(tmpImage);
+                    //e.SetQuality(10);
+                    e.SetDelay(1000);
+                    e.SetRepeat(-1);
+                    if (File.Exists(image))
+                    {
+                        e.AddFrame(Image.FromFile(image));
+                    }
+                    else
+                    {
+                        tmpImage = null;
+                    }
+                    e.Finish();
+                }
+                catch
+                {
+                    tmpImage = null;
+                }
+            }
+
+            if (!string.IsNullOrEmpty(tmpImage))
+            {
+                Notice.Content = "转换成功，直接粘贴到微信发送即可";
+                SetImageToClipboard(tmpImage);
+                SetPreview(tmpImage);
+            }
+            else
+            {
+                Notice.Content = "转换失败";
+            }
+
+            return tmpImage;
+        }
+
+        private string SaveBitmapSource(BitmapSource source)
+        {
+            BitmapEncoder encoder = new PngBitmapEncoder();
+            encoder.Frames.Add(BitmapFrame.Create(source));
+
+            var tmp = GenerateTempFile(".jpg");
+
+            try
+            {
+                using (var stream = new FileStream(tmp, FileMode.Create))
+                {
+                    encoder.Save(stream);
+                }
+            }
+            catch
+            {
+                tmp = null;
+            }
+
+            return tmp;
+        }
+
+        private string GenerateTempFile(string ext)
+        {
+            var file = System.IO.Path.GetTempPath() + Guid.NewGuid().ToString().ToUpper() + ext;
+            return File.Exists(file) ? GenerateTempFile(ext) : file;
+        }
+
+        private void SetPreview(string imageFile)
+        {
+            BitmapImage bitmapImage = new BitmapImage();
+            bitmapImage.BeginInit();
+            bitmapImage.UriSource = new Uri(imageFile);
+            bitmapImage.EndInit();
+            Preview.Source = bitmapImage;
+        }
+
+        private void SetImageToClipboard(string imageFile)
+        {
+            var list = new StringCollection
+            {
+                imageFile
+            };
+            Clipboard.SetFileDropList(list);
+        }
+    }
+}