public static NativeBmp CreateNativeWrapper(System.Drawing.Bitmap bmp)
{
var bmpdata = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height),
System.Drawing.Imaging.ImageLockMode.ReadOnly, bmp.PixelFormat);
int bpp = 24;
switch (bmpdata.PixelFormat)
{
case System.Drawing.Imaging.PixelFormat.Format24bppRgb:
{
bpp = 24;
} break;
case System.Drawing.Imaging.PixelFormat.Format32bppArgb:
{
bpp = 32;
} break;
default:
{
throw new NotSupportedException();
}
}
NativeBmp nativeBmp = CreateNativeWrapper(bmp.Width, bmp.Height, bmpdata.Stride, bpp, bmpdata.Scan0);
bmp.UnlockBits(bmpdata);
return(nativeBmp);
}
public void DrawImage(NativeBmp bmp, Point[] fourCorners)
{
NativePixelLibInterOp.drawImage2(this.nativeCanvasPtr,
bmp.Handle,
fourCorners[0].X, fourCorners[0].Y,
fourCorners[1].X, fourCorners[1].Y,
fourCorners[2].X, fourCorners[2].Y,
fourCorners[3].X, fourCorners[3].Y);
}
public static void DrawImage(IntPtr canvasPtr, NativeBmp nativeBmp, int x, int y, int w, int h)
{
int x1 = x;
int y1 = y;
int x2 = x1 + w;
int y2 = y1 - h;
//flip coord
NativePixelLibInterOp.drawImage(canvasPtr,
nativeBmp.Handle, x1, y1, x2, y2);
}
public void DrawImage(NativeBmp bmp, int x, int y, int w, int h)
{
NativePixelLibInterOp.DrawImage(
this.nativeCanvasPtr, bmp,
x, y, w, this.h - h);
}
public void DrawImage(NativeBmp bmp, int x, int y)
{
NativePixelLibInterOp.DrawImage(
this.nativeCanvasPtr, bmp,
x, y, bmp.Width, this.h - bmp.Height);
}