public static Bitmap ToBitmap(this Image image)
{
int pixelSize = (int)image.getPixelSizeInBits() / 8;
PixelFormat format = ((pixelSize == 4) ? PixelFormat.Format32bppArgb : PixelFormat.Format24bppRgb);
Bitmap bitmap = new Bitmap(image.s(), image.t(), format);
using (ByteImage src = ByteImage.New(image))
using (ByteBitmap dst = ByteBitmap.New(bitmap))
{
for (int y = 0; y < dst.H; y++)
{
int srcpix = y * src.Stride;
int dstpix = y * dst.Stride;
for (int x = 0; x < dst.W; x++)
{
for (int c = 0; c < pixelSize; c++)
{
byte s = src[srcpix++];
dst[dstpix++] = s;
}
}
}
dst.Update();
}
return(bitmap);
}
public static Image ToImage(this Bitmap bitmap)
{
int pixelSize;
switch (bitmap.PixelFormat)
{
case PixelFormat.Format32bppArgb:
pixelSize = 4;
break;
case PixelFormat.Format24bppRgb:
pixelSize = 3;
break;
default:
throw new NotImplementedException();
}
Image image = new Image();
image.setAllocationMode(Image.AllocationMode.USE_NEW_DELETE);
uint pixelFormat = ((pixelSize == 4) ? (uint)OsgModule.GL_RGBA : (uint)OsgModule.GL_RGB);
image.allocateImage(bitmap.Width,
bitmap.Height,
1,
pixelFormat,
(uint)OsgModule.GL_UNSIGNED_BYTE);
using (ByteBitmap src = ByteBitmap.New(bitmap))
using (ByteImage dst = ByteImage.New(image))
{
for (int y = 0; y < dst.H; y++)
{
int srcpix = y * src.Stride;
int dstpix = y * dst.Stride;
for (int x = 0; x < dst.W; x++)
{
for (int c = 0; c < pixelSize; c++)
{
byte s = src[srcpix++];
dst[dstpix++] = s;
}
}
}
dst.Update();
}
return(image);
}