List <ImageInfoBlock> praseMetaData(String metaData)
{
List <ImageInfoBlock> nodes = new List <ImageInfoBlock>();
String[] lines = metaData.Split('\n');
foreach (String line in lines)
{
if (Regex.IsMatch(line, "#.*") || line == "")
{
continue;
}
Regex reg = new Regex("(\\s*)([^\\s]+)\\s*=\\s*(.*[^\\s])\\s*");
MatchCollection matchs = reg.Matches(line);
if (matchs.Count <= 0)
{
throw new IOException("Malformed DMI");
}
String indent = matchs[0].Groups[1].Value;
String key = matchs[0].Groups[2].Value;
String value = matchs[0].Groups[3].Value;
ImageInfoBlock block = new ImageInfoBlock();
block.indent = (indent.Length != 0);
block.key = key;
block.value = value;
nodes.Add(block);
}
return(nodes);
}
List<ImageInfoBlock> praseMetaData(String metaData)
{
List<ImageInfoBlock> nodes = new List<ImageInfoBlock>();
String[] lines = metaData.Split('\n');
foreach (String line in lines)
{
if (Regex.IsMatch(line, "#.*") || line == "")
{
continue;
}
Regex reg = new Regex("(\\s*)([^\\s]+)\\s*=\\s*(.*[^\\s])\\s*");
MatchCollection matchs = reg.Matches(line);
if (matchs.Count <= 0)
throw new IOException("Malformed DMI");
String indent = matchs[0].Groups[1].Value;
String key = matchs[0].Groups[2].Value;
String value = matchs[0].Groups[3].Value;
ImageInfoBlock block = new ImageInfoBlock();
block.indent = (indent.Length != 0);
block.key = key;
block.value = value;
nodes.Add(block);
}
return nodes;
}
public void parse(FileStream source)
{
img = new FreeImageBitmap(source);
dmi_width = img.Width;
dmi_height = img.Height;
MetadataModel model = img.Metadata.List[0];
string metaData = model.List[0].Value.ToString();
List <ImageInfoBlock> nodes = praseMetaData(metaData);
String state_name = "";
List <int> state_delay = new List <int>();
int state_frames = 0;
int state_directions = 0;
Boolean had_state = false;
this.states = new Dictionary <String, ImageState>();
// Enu<ImageInfoBlock> it = nodes.GetEnumerator();
for (int i = 0; i < nodes.Count; i++)
{
ImageInfoBlock block = nodes[i];
if (block.key == "dirs")
{
Int32.TryParse(block.value, out state_directions);
}
else if (block.key == "frames")
{
Int32.TryParse(block.value, out state_frames);
}
else if (block.key == "delay")
{
foreach (String S in block.value.Split(','))
{
int x;
Int32.TryParse(S, out x);
state_delay.Add(x);
}
}
else if (block.key == "version")
{
continue;
}
else if (block.key == "width")
{
Int32.TryParse(block.value, out width);
}
else if (block.key == "height")
{
Int32.TryParse(block.value, out height);
}
if (had_state)
{
if (block.key == "state" || i == nodes.Count - 1)
{
if (state_frames == 0 || state_directions == 0)
{
throw new IOException(".DMI metadata malformed");
}
if (state_delay.Count == 0)
{
while (state_delay.Count < state_frames)
{
state_delay.Add(1);
}
}
if (state_delay.Count != state_frames)
{
throw new IOException(".DMI metadata malformed");
}
ImageState state = generateSpriteState(state_frames, state_directions, state_delay);
// intern state_name to make string comparison more efficient
if (!states.ContainsKey(state_name))
{
states.Add(state_name, state); // add state to the sprite
}
state_frames = 0;
state_directions = 0;
state_delay.Clear();
had_state = false;
}
}
if (block.key == "state")
{
state_name = block.value.Substring(1, block.value.Length - 2);
had_state = true;
}
}
}
