101 lines
2.7 KiB
C#
101 lines
2.7 KiB
C#
using System.Drawing;
|
|
using System.Drawing.Imaging;
|
|
using System.IO;
|
|
using System.Reflection;
|
|
using System.Windows;
|
|
using System.Windows.Interop;
|
|
using System.Windows.Media.Imaging;
|
|
|
|
namespace ShrlAlgo.Toolkit.Core.Extensions;
|
|
|
|
public static class ImageExtensions
|
|
{
|
|
/// <summary>
|
|
/// 提取资源
|
|
/// </summary>
|
|
/// <param name="resourceName"></param>
|
|
/// <param name="path"></param>
|
|
public static void ExtractResource(string resourceName, string path)
|
|
{
|
|
using var manifestResourceStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(resourceName);
|
|
using var stream = File.Create(path);
|
|
var array = new byte[8192];
|
|
int count;
|
|
while ((count = manifestResourceStream.Read(array, 0, array.Length)) > 0)
|
|
{
|
|
stream.Write(array, 0, count);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// 资源管理器缩略图读取
|
|
/// </summary>
|
|
/// <param name="filename"></param>
|
|
/// <param name="width"></param>
|
|
/// <param name="height"></param>
|
|
/// <returns></returns>
|
|
public static BitmapSource LoadFileImage(string filename, int width, int height)
|
|
{
|
|
var bm = WindowsThumbnailProvider.GetThumbnail(filename, width, height, ThumbnailOptions.None);
|
|
return Imaging.CreateBitmapSourceFromHBitmap(bm.GetHbitmap(), IntPtr.Zero, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions());
|
|
}
|
|
/// <summary>
|
|
/// 位图转图片
|
|
/// </summary>
|
|
/// <param name="bitmap"></param>
|
|
/// <returns></returns>
|
|
/// <exception cref="ArgumentNullException"></exception>
|
|
public static BitmapImage ToBitmapImage(this Bitmap bitmap)
|
|
{
|
|
if (bitmap is null)
|
|
{
|
|
throw new ArgumentNullException(nameof(bitmap));
|
|
}
|
|
|
|
using var ms = new MemoryStream();
|
|
bitmap.Save(ms, ImageFormat.Png);
|
|
|
|
ms.Position = 0;
|
|
|
|
var result = new BitmapImage();
|
|
|
|
result.BeginInit();
|
|
|
|
result.StreamSource = ms;
|
|
|
|
result.CacheOption = BitmapCacheOption.OnLoad;
|
|
|
|
result.EndInit();
|
|
|
|
return result;
|
|
}
|
|
/// <summary>
|
|
/// 位图转像素集
|
|
/// </summary>
|
|
/// <param name="bitmap"></param>
|
|
/// <returns></returns>
|
|
/// <exception cref="ArgumentNullException"></exception>
|
|
public static BitmapSource ToBitmapSource(this Bitmap bitmap)
|
|
{
|
|
if (bitmap == null)
|
|
{
|
|
throw new ArgumentNullException(nameof(bitmap));
|
|
}
|
|
return Imaging.CreateBitmapSourceFromHBitmap(bitmap.GetHbitmap(), IntPtr.Zero, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions());
|
|
}
|
|
|
|
/// <summary>
|
|
/// Icon转BitmapSource
|
|
/// </summary>
|
|
/// <param name="icon"></param>
|
|
/// <returns></returns>
|
|
public static BitmapSource ToBitmapSource(this Icon icon)
|
|
{
|
|
return Imaging.CreateBitmapSourceFromHIcon(
|
|
icon.Handle,
|
|
new Int32Rect(0, 0, icon.Width, icon.Height),
|
|
BitmapSizeOptions.FromWidthAndHeight(icon.Width, icon.Height)
|
|
);
|
|
}
|
|
}
|