/**
* Reads next frame image
*/
protected void ReadImage()
{
ix = ReadShort(); // (sub)image position & size
iy = ReadShort();
iw = ReadShort();
ih = ReadShort();
int packed = Read();
lctFlag = (packed & 0x80) != 0; // 1 - local color table flag
interlace = (packed & 0x40) != 0; // 2 - interlace flag
// 3 - sort flag
// 4-5 - reserved
lctSize = 2 << (packed & 7); // 6-8 - local color table size
if (lctFlag)
{
_lct = ReadColorTable(lctSize); // read table
act = _lct; // make local table active
}
else
{
act = _gct; // make global table active
if (bgIndex == transIndex)
bgColor = 0;
}
int save = 0;
if (transparency)
{
save = act[transIndex];
act[transIndex] = 0; // set transparent color if specified
}
if (act == null)
{
status = STATUS_FORMAT_ERROR; // no color table defined
}
if (Error()) return;
DecodeImageData(); // decode pixel data
Skip();
if (Error()) return;
_frameCount++;
// create new image to receive frame data
// image =
// new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB_PRE);
_bitmap = new Bitmap( width, height );
image = _bitmap;
SetPixels(); // transfer pixel data to image
GifFrame frame = new GifFrame(_bitmap, delay) ;
_frames.Add( frame ); // add image to frame list
if( FrameAdded != null )
FrameAdded( this, new GifDecoderEventArgs( frame, _frames.Count, -1 ) ) ;
if (transparency)
{
act[transIndex] = save;
}
ResetFrame();
}
public GifDecoderEventArgs(GifFrame frame, int frameNumber, int frameCount )
{
_frame = frame;
_frameNumber = frameNumber ;
_frameCount = frameCount ;
}