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初始化

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xhm
2023-11-21 23:05:03 +08:00
commit 2455630dad
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CPF.Windows/GDIPlus/GDIPlusBitmap.cs Normal file
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#if Net4
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Drawing;
using System.Runtime.InteropServices;
using CPF.Drawing;
namespace CPF.GDIPlus
{
public class GDIPlusBitmap : GDIPlusImage, IBitmapImpl
{
public System.Drawing.Bitmap Bitmap
{
get { return (System.Drawing.Bitmap)this.Image; }
}
public GDIPlusBitmap(System.Drawing.Image image):base(image)
{
}
public GDIPlusBitmap(GDIPlusImage image) : base(new System.Drawing.Bitmap(image.Image))
{ }
public GDIPlusBitmap(int w, int h) : base(new System.Drawing.Bitmap(w, h))
{
}
public GDIPlusBitmap(Stream stream) : base(new System.Drawing.Bitmap(stream))
{
}
public GDIPlusBitmap(int w, int h, int pitch, PixelFormat pixelFormat, IntPtr data)
{
System.Drawing.Imaging.PixelFormat format = System.Drawing.Imaging.PixelFormat.Format32bppArgb;
switch (pixelFormat)
{
case PixelFormat.Undefined:
break;
case PixelFormat.Bgra:
format = System.Drawing.Imaging.PixelFormat.Format32bppArgb;
break;
case PixelFormat.PBgra:
format = System.Drawing.Imaging.PixelFormat.Format32bppPArgb;
break;
default:
throw new Exception("不支持格式：" + pixelFormat);
}
Image = new System.Drawing.Bitmap(w, h, pitch, format, data);
}
//public override PixelFormat PixelFormat
//{
// get
// {
// if (bmp.PixelFormat == System.Drawing.Imaging.PixelFormat.Format32bppArgb)
// {
// return PixelFormat.Format32bppArgb;
// }
// if (bmp.PixelFormat == System.Drawing.Imaging.PixelFormat.Format32bppPArgb)
// {
// return PixelFormat.Format32bppPArgb;
// }
// return PixelFormat.Undefined;
// }
//}
public void CopyToIntptr(IntPtr intPtr)
{
using (MemoryStream m = new MemoryStream())
{
Bitmap.Save(m, System.Drawing.Imaging.ImageFormat.Bmp);
byte[] bytes = m.ToArray();
Marshal.Copy(bytes, 0, intPtr, bytes.Length);
}
}
//public void CopyToStream(Stream stream)
//{
// Bitmap.Save(stream, System.Drawing.Imaging.ImageFormat.Bmp);
//}
public IBitmapLockImpl Lock()
{
return new GDIPlusBitmapLock(this);
}
public override object Clone()
{
return new GDIPlusBitmap(new System.Drawing.Bitmap(Bitmap));//(System.Drawing.Image)Bitmap.Clone()
}
}
}
#endif