public static List <CardPattern> readCards(String path)
{
string[] cards = Directory.GetFiles(path, "card_*.png");
List <CardPattern> patterns = new List <CardPattern>();
foreach (String filepath in cards)
{
// get png
Image png = readPng(filepath);
// filename only
string filename = Path.GetFileName(filepath);
filename = filename.Replace("card_", "");
// crop
Image image = cropTransparentLines(png);
// colors
image = reducer.reduceColors(image);
// new pattern
Card.SuitEnum suit = toSuit(filename);
Card.RankEnum rank = toRank(filename);
CardPattern pattern = new CardPattern(image, suit, rank);
patterns.Add(pattern);
}
return(patterns);
}
public List <CardRegion> identifyRegions(Image screenImage)
{
// result
List <CardRegion> regions = new List <CardRegion>();
// card dimensions
int cardWidth = cards[0].Image.width;
int cardHeight = cards[0].Image.height;
// scan horizontal
foreach (Point point in layout.Cards)
{
Image screenCard = cropAndReduceCard(screenImage, point, cardWidth, cardHeight);
float bestOverlap = 0.0f;
CardPattern bestCard = null;
foreach (CardPattern card in cards)
{
// compare
bool[] matches = compare(card.Image, screenCard, point);
float overlap = percent(matches);
// debug
if (overlap > 0.1)
{
Log.Finest(point.X + " -> " + card + " " + overlap);
}
// no more cards
if (overlap < REGIONS_MIN_OVERLAP_SKIP)
{
return(regions);
}
// best
else if (overlap > bestOverlap)
{
// store
bestOverlap = overlap;
bestCard = card;
}
}
// sanity check
if (bestOverlap < REGIONS_MIN_OVERLAP_ERROR)
{
ErrorHandler.BeepError();
ErrorHandler.ReportCardException(screenCard, "Best overlap " + bestOverlap + " < " + REGIONS_MIN_OVERLAP_ERROR + " for card " + bestCard);
}
// add best card to regions
regions.Add(new CardRegion(bestCard, point.X, bestOverlap));
}
return(regions);
}
private List <CardPattern> generatePatterns(List <CardPattern> patterns)
{
List <CardPattern> hands = new List <CardPattern>();
foreach (CardPattern pattern in patterns)
{
int startX = PATTERN_X;
int endX = PATTERN_X + PATTERN_WIDTH;
int startY = PATTERN_Y;
int endY = PATTERN_Y + PATTERN_HEIGHT;
CardPattern hand = new CardPattern(pattern.Image.crop(startX, endX, startY, endY),
pattern.Suit,
pattern.Rank);
hands.Add(hand);
}
return(hands);
}
private bool isMatch(int x, int y, Image image, CardPattern card)
{
// match
for (int line = 0; line < card.Image.height; line++)
{
if ((line + y) >= image.height)
{
return(false);
}
int[] cardLine = card.Image.getHorizontalLine(line);
int[] imageLine = image.getHorizontalLine(x, y + line);
if (!isLineMatch(cardLine, imageLine, cardLine.Length))
{
return(false);
}
}
return(true);
}
public static List <CardPattern> readCardsFromResources()
{
List <CardPattern> patterns = new List <CardPattern>();
// get a reference to the current assembly
Assembly ass = Assembly.GetExecutingAssembly();
// get a list of resource names from the manifest
string[] names = ass.GetManifestResourceNames();
foreach (string name in names)
{
// card?
if (name.Contains("card"))
{
// split
string cardName = name.Substring(name.IndexOf("_") + 1);
// read from assembly
Stream imgStream = ass.GetManifestResourceStream(name);
Bitmap bitmap = Bitmap.FromStream(imgStream) as Bitmap;
Image image = toImage(bitmap);
imgStream.Close();
// crop
image = cropTransparentLines(image);
// colors
image = reducer.reduceColors(image);
// new pattern
Card.SuitEnum suit = toSuit(cardName);
Card.RankEnum rank = toRank(cardName);
CardPattern pattern = new CardPattern(image, suit, rank);
patterns.Add(pattern);
}
}
return(patterns);
}
