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Add BitmapUtils.cs, Toolkit.cs and more

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This commit is contained in:
Namhyeon Go 2024-05-13 17:05:24 +09:00
parent 2edda2b710
commit e3e68bf696
2 changed files with 52 additions and 0 deletions
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44
WelsonJS.Toolkit/WelsonJS.Toolkit/BitmapUtils.cs
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@ -19,7 +19,10 @@
* *
*/ */
using System;
using System.Drawing; using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
namespace WelsonJS namespace WelsonJS
{ {
@ -65,5 +68,46 @@ namespace WelsonJS
return new int[] { red, green, blue }; return new int[] { red, green, blue };
} }
public static string GetBase64(string srcfile)
{
Bitmap bitmap = Load(srcfile);
MemoryStream memoryStream = new MemoryStream();
ImageFormat imageFormat;
if (srcfile.EndsWith(".bmp", StringComparison.OrdinalIgnoreCase))
{
imageFormat = ImageFormat.Bmp;
}
else if (srcfile.EndsWith(".jpg", StringComparison.OrdinalIgnoreCase) || srcfile.EndsWith(".jpeg", StringComparison.OrdinalIgnoreCase))
{
imageFormat = ImageFormat.Jpeg;
}
else if (srcfile.EndsWith(".png", StringComparison.OrdinalIgnoreCase))
{
imageFormat = ImageFormat.Png;
}
else if (srcfile.EndsWith(".tiff", StringComparison.OrdinalIgnoreCase))
{
imageFormat = ImageFormat.Tiff;
}
else if (srcfile.EndsWith(".gif", StringComparison.OrdinalIgnoreCase))
{
imageFormat = ImageFormat.Gif;
}
else
{
return "";
}
bitmap.Save(memoryStream, imageFormat);
byte[] imageBytes = memoryStream.ToArray();
string base64String = Convert.ToBase64String(imageBytes);
bitmap.Dispose();
memoryStream.Dispose();
return base64String;
}
} }
} }

8
WelsonJS.Toolkit/WelsonJS.Toolkit/Toolkit.cs
View File

@ -263,10 +263,18 @@ namespace WelsonJS
return $"red={red}; green={green}; blue={blue}"; return $"red={red}; green={green}; blue={blue}";
} }
[ComVisible(true)]
public string GetImageBase64(string srcfile)
{
return BitmapUtils.GetBase64(srcfile);
}
[ComVisible(true)] [ComVisible(true)]
public void CropImage(string srcfile, string dstfile, int x, int y, int a, int b) public void CropImage(string srcfile, string dstfile, int x, int y, int a, int b)
{ {
BitmapUtils.Crop(srcfile, dstfile, x, y, a, b); BitmapUtils.Crop(srcfile, dstfile, x, y, a, b);
} }
} }
} }