//Load grid and return as 2d Grids
public static GridList GifToGrids(string filename)
{
#if !NET2
GridList grids = new GridList();
// Open a Stream and decode a GIF image
Stream imageStreamSource = new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.Read);
var decoder = new GifBitmapDecoder(imageStreamSource, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
decoder.Frames[0].Metadata.Freeze();
int width = GetMaxX(decoder);
int height = GetMaxY(decoder);
foreach (BitmapFrame frame in decoder.Frames)
{
frame.Freeze();
// Get a clone copy of the metadata
var sourceMetadata = frame.Metadata as BitmapMetadata;
int top = Int32.Parse(sourceMetadata.GetQuery("/imgdesc/Top").ToString());
int left = Int32.Parse(sourceMetadata.GetQuery("/imgdesc/Left").ToString());
Grid grid = new Grid(width, height, 1, 4);
CopyBitmapSourceToGridPalette(frame, grid, top, left);
grids.AddGrid(grid);
}
return(grids);
#else
return(null);
#endif
}
//Generates a set of thumbnails of the codeString, down to 1 pixels size
public static GridList CodeToThumbnailed(Code code)
{
GridList gridList = new GridList();
Grid grid = CodeConverter.CodeToGrid(code.codeString);
int toX = grid.SizeX;
int toY = grid.SizeY;
int toZ = grid.SizeZ;
while ((toX > 0) && (toY > 0) && (toZ > 0))
{
Code newCode = CodeConverter.CodeToRescaledCode(code, toX, toY, toZ);
Grid newGrid = CodeConverter.CodeToGrid(newCode.codeString);
gridList.AddGrid(newGrid);
toX /= 2;
toY /= 2;
toZ /= 2;
}
return(gridList);
}
