/// <summary>
/// Initilizes a new image from a file.
/// </summary>
/// <param name="path">Memory location (or url) of image file to load.</param>
public Image(object path, ImageFlags flags)
{
if ((path is PixelMap) == false)
{
if (path is string)
{
_url = (string)path;
}
_fullPixelMap = PixelMapFactory.LoadPixelMap(path);
}
else
{
_fullPixelMap = (path as PixelMap).Copy();
}
if (_fullPixelMap == null)
{
return;
}
PixelMap map = _fullPixelMap.Copy();
map.Mask(GraphicsManager.ColorKey);
_mask = GraphicsManager.ColorKey;
_width = _fullPixelMap.Width;
_height = _fullPixelMap.Height;
_flags = flags;
_frames[0] = GraphicsManager.CreateImageFrame(map);
// Are we dynamic? If not we don't need the full pixelmaps data so lets destroy it and
// free up a bit of memory.
if ((_flags & ImageFlags.Dynamic) == 0 && _fullPixelMap != null)
{
_fullPixelMap.Data = null;
_frames[0].PixelMap.Data = null;
//GC.Collect();
}
}
/// <summary>
/// Recreates the pixel maps and resources required to render this image.
/// </summary>
public void CreateFrames()
{
if (_frames == null)
{
return;
}
if (_fullPixelMap != null)
{
if (_width > _fullPixelMap.Width)
{
_width = _fullPixelMap.Width;
}
if (_height > _fullPixelMap.Height)
{
_height = _fullPixelMap.Height;
}
int cellsH = (_fullPixelMap.Width / (_width + _hSpacing));
int cellsV = (_fullPixelMap.Height / (_height + _vSpacing));
_frames = new IImageFrame[cellsH * cellsV];
for (int i = 0; i < _frames.Length; i++)
{
int px = (i % cellsH) * _width;
int py = (i / cellsH) * _height;
PixelMap map = _fullPixelMap.Copy(px + ((i % cellsH) * _hSpacing), py + ((i / cellsH) * _vSpacing), _width, _height);
map.Mask(GraphicsManager.ColorKey);
_frames[i] = GraphicsManager.CreateImageFrame(map);
}
}
else
{
for (int i = 0; i < _frames.Length; i++)
{
_frames[i] = GraphicsManager.CreateImageFrame(new PixelMap(_width, _height));
}
}
_mask = GraphicsManager.ColorKey;
}