Merge pull request #8189 from kevlahnota/nyxDesktop

add nyx effect to desktop card renders

forge-gui-desktop/src/main/java/forge/ImageCache.java

@@ -82,8 +82,12 @@ public class ImageCache {
             .expireAfterAccess(15, TimeUnit.MINUTES)
             .build(new ImageLoader());
     private static final BufferedImage _defaultImage;
+    private static final BufferedImage _stars;
+    private static final BufferedImage _inv_stars;
     static {
         BufferedImage defImage = null;
+        BufferedImage stars = null;
+        BufferedImage inv_stars = null;
         try {
             defImage = ImageIO.read(new File(ForgeConstants.NO_CARD_FILE));
         } catch (Exception ex) {
@@ -91,6 +95,40 @@ public class ImageCache {
         } finally {
             _defaultImage = (null == defImage) ? new BufferedImage(10, 10, BufferedImage.TYPE_INT_ARGB) : defImage;
         }
+        try {
+            stars = ImageIO.read(new File(ForgeConstants.STARS_FILE));
+            inv_stars =ImageIO.read(new File(ForgeConstants.STARS_FILE));
+            // https://github.com/yusufshakeel/Java-Image-Processing-Project/blob/master/example/Negative.java
+            //get image width and height
+            int width = inv_stars.getWidth();
+            int height = inv_stars.getHeight();
+
+            //convert to negative
+            for(int y = 0; y < height; y++){
+                for(int x = 0; x < width; x++){
+                    int p = inv_stars.getRGB(x,y);
+
+                    int a = (p>>24)&0xff;
+                    int r = (p>>16)&0xff;
+                    int g = (p>>8)&0xff;
+                    int b = p&0xff;
+
+                    //subtract RGB from 255
+                    r = 255 - r;
+                    g = 255 - g;
+                    b = 255 - b;
+
+                    //set new RGB value
+                    p = (a<<24) | (r<<16) | (g<<8) | b;
+                    inv_stars.setRGB(x, y, p);
+                }
+            }
+        } catch (Exception ex) {
+            System.err.println("could not load default stars image");
+        } finally {
+            _stars = (null == stars) ? new BufferedImage(10, 10, BufferedImage.TYPE_INT_ARGB) : stars;
+            _inv_stars = (null == inv_stars) ? new BufferedImage(10, 10, BufferedImage.TYPE_INT_ARGB) : inv_stars;
+        }
     }
 
     public static void clear() {
@@ -464,4 +502,8 @@ public class ImageCache {
     }
 
     public static BufferedImage getDefaultImage() { return _defaultImage; }
+
+    public static BufferedImage getStarsImage() { return _stars; }
+
+    public static BufferedImage getInvertedStarsImage() { return _inv_stars; }
 }

forge-gui-desktop/src/main/java/forge/toolbox/imaging/FCardImageRenderer.java

@@ -20,6 +20,7 @@ import java.util.Map;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
+import forge.ImageCache;
 import org.apache.commons.lang3.StringUtils;
 
 import forge.card.CardRarity;
@@ -287,6 +288,11 @@ public class FCardImageRenderer {
         //determine colors for borders
         final List<DetailColors> borderColors = CardDetailUtil.getBorderColors(state, true);
         Color[] colors = fillColorBackground(g, borderColors, x, y, w, h, BLACK_BORDER_THICKNESS);
+        if (state.isEnchantment()) {
+            //draw fake nyx effect
+            g.drawImage(state.getColors().hasWhite() && state.getColors().countColors() == 1 ?
+                    ImageCache.getInvertedStarsImage() :  ImageCache.getStarsImage(), x, y, w, h, null);
+        }
 
         x += OUTER_BORDER_THICKNESS;
         y += OUTER_BORDER_THICKNESS;

forge-gui/src/main/java/forge/gui/card/CardDetailUtil.java

@@ -67,20 +67,20 @@ public class CardDetailUtil {
 
     public static DetailColors getBorderColor(final CardStateView card, final boolean canShow) {
         if (card == null) {
-            return getBorderColors(null, false, false, false).iterator().next();
+            return getBorderColors(null, false, false, false, false).iterator().next();
         }
-        return getBorderColors(card.getColors(), card.isLand(), canShow, false).iterator().next();
+        return getBorderColors(card.getColors(), card.isLand(), canShow, false, card.isEnchantment()).iterator().next();
     }
     public static List<DetailColors> getBorderColors(final CardStateView card, final boolean canShow) {
         if (card == null) {
-            return getBorderColors(null, false, false, true);
+            return getBorderColors(null, false, false, true, false);
         }
-        return getBorderColors(card.getColors(), card.isLand(), canShow, true);
+        return getBorderColors(card.getColors(), card.isLand(), canShow, true, card.isEnchantment());
     }
     public static List<DetailColors> getBorderColors(final ColorSet colorSet) {
-        return getBorderColors(colorSet, false, true, true);
+        return getBorderColors(colorSet, false, true, true, false);
     }
-    private static List<DetailColors> getBorderColors(final ColorSet cardColors, final boolean isLand, final boolean canShow, final boolean supportMultiple) {
+    private static List<DetailColors> getBorderColors(final ColorSet cardColors, final boolean isLand, final boolean canShow, final boolean supportMultiple, final boolean isEnchantment) {
         final List<DetailColors> borderColors = new ArrayList<>();
 
         if (cardColors == null || !canShow) {

forge-gui/src/main/java/forge/localinstance/properties/ForgeConstants.java

@@ -279,6 +279,7 @@ public final class ForgeConstants {
     // data that has defaults in the program dir but overrides/additions in the user dir
     private static final String _DEFAULTS_DIR = RES_DIR + "defaults" + PATH_SEPARATOR;
     public static final String NO_CARD_FILE   = _DEFAULTS_DIR + "no_card.jpg";
+    public static final String STARS_FILE     = _DEFAULTS_DIR + "stars.png";
     public static final FileLocation WINDOW_LAYOUT_FILE      = new FileLocation(_DEFAULTS_DIR, USER_PREFS_DIR, "window.xml");
     public static final FileLocation MATCH_LAYOUT_FILE       = new FileLocation(_DEFAULTS_DIR, USER_PREFS_DIR, "match.xml");
     public static final FileLocation WORKSHOP_LAYOUT_FILE    = new FileLocation(_DEFAULTS_DIR, USER_PREFS_DIR, "workshop.xml");