/// <summary>
/// Gets the foreground image for the page
/// </summary>
/// <param name="resizeToPage"></param>
/// <returns></returns>
internal System.Drawing.Bitmap GetForegroundImage(int subsample, bool resizeImage = false)
{
Verify.SubsampleRange(subsample);
lock (LoadingLock)
{
Bitmap result = null;
JB2Image jb2image = null;
IInterWavePixelMap iwPixelMap = _Page.ForegroundIWPixelMap;
if (iwPixelMap != null)
{
result = _Page.ForegroundIWPixelMap.GetPixelMap().ToImage();
}
else if ((jb2image = _Page.ForegroundJB2Image) != null)
{
if (_Page.ForegroundPalette == null)
{
result = jb2image.GetBitmap(1, GBitmap.BorderSize).ToImage();
}
else
{
result = jb2image.GetPixelMap(_Page.ForegroundPalette, 1, 16).ToImage();
}
}
else if (iwPixelMap == null && jb2image == null)
{
result = CreateBlankImage(Brushes.Black, _Page.Width / subsample, _Page.Height / subsample);
}
return(resizeImage ? ResizeImage(result, _Page.Width / subsample, _Page.Height / subsample) : result);
}
}
internal DjvuNet.Graphics.Map GetForegroundMap()
{
lock (LoadingLock)
{
DjvuNet.Graphics.Map result = null;
JB2Image jb2image = null;
IInterWavePixelMap iwPixelMap = _Page.ForegroundIWPixelMap;
if (iwPixelMap != null)
{
result = _Page.ForegroundIWPixelMap.GetPixelMap();
}
else if ((jb2image = _Page.ForegroundJB2Image) != null)
{
if (_Page.ForegroundPalette == null)
{
result = jb2image.GetBitmap(1, GBitmap.BorderSize);
}
else
{
result = jb2image.GetPixelMap(_Page.ForegroundPalette, 1, 16);
}
}
else if (iwPixelMap == null && jb2image == null)
{
result = new GBitmap(_Page.Height, _Page.Width, GBitmap.BorderSize);
}
return(result);
}
}
/// <summary>
/// Gets the foreground image for the page.
/// </summary>
/// <param name="resizeToPage"></param>
/// <returns></returns>
public static Bitmap GetForegroundImage(this DjvuImage image, int subsample, bool resizeImage = false)
{
Verify.SubsampleRange(subsample);
lock (image.LoadingLock)
{
Bitmap result = null;
JB2Image jb2image = null;
IInterWavePixelMap iwPixelMap = image.Page.ForegroundIWPixelMap;
if (iwPixelMap != null)
{
result = image.Page.ForegroundIWPixelMap.GetPixelMap().ToImage();
}
else if ((jb2image = image.Page.ForegroundJB2Image) != null)
{
if (image.Page.ForegroundPalette == null)
{
result = jb2image.GetBitmap(1, GBitmap.BorderSize).ToImage();
}
else
{
result = jb2image.GetPixelMap(image.Page.ForegroundPalette, 1, 16).ToImage();
}
}
else if (iwPixelMap == null && jb2image == null)
{
result = CreateBlankImage(Brushes.Black, image.Page.Width / subsample, image.Page.Height / subsample);
}
return(resizeImage ? ResizeImage(result, image.Page.Width / subsample, image.Page.Height / subsample) : result);
}
}
