1 files changed, 49 insertions, 49 deletions
diff --git a/js/blit.js b/js/blit.js
index 8683f22..05fdcb8 100644
--- a/js/blit.js
+++ b/js/blit.js
@@ -1,51 +1,51 @@
 var blit = (function(){
-	var blit = {}
-	blit.and = blit.atop = function(A, B, x, y){
-		x = x || 0 ; y = y || 0
-		B.forEach(function(lex, u, v){
-			var cell = A.getCell(u+x, v+y)
-			if (cell && lex.opacity > 0) {
-				cell.clone(lex)
-			}
-		})
-	}
-	blit.or = blit.under = function(A, B, x, y){
-		x = x || 0 ; y = y || 0
-		B.forEach(function(lex, u, v){
-			var cell = A.getCell(u+x, v+y)
-			if (cell && cell.opacity == 0) {
-				cell.clone(lex)
-			}
-		})
-	}
-	// copy the region of A beginning at x,y into B
-	blit.copy_from = function(A, B, x, y){
-		x = x || 0 ; y = y || 0
-		B.forEach(function(lex, u, v){
-			var cell = A.getCell(u+x, v+y)
-			if (cell) {
-				lex.clone(cell)
-			}
-		})
-	}
-	blit.copy_to = function(A, B, x, y){
-		x = x || 0 ; y = y || 0
-		B.forEach(function(lex, u, v){
-			var cell = A.getCell(u+x, v+y)
-			if (cell) {
-				cell.clone(lex)
-			}
-		})
-	}
-	blit.invert = function(A, B, x, y){
-		x = x || 0 ; y = y || 0
-		B.forEach(function(lex, u, v){
-			var cell = A.getCell(u+x, v+y)
-			if (cell && lex.opacity > 0) {
-				cell.fg = get_inverse(cell.fg)
-				cell.bg = get_inverse(cell.bg)
-			}
-		})
-	}
-	return blit
+  var blit = {}
+  blit.and = blit.atop = function(A, B, x, y){
+    x = x || 0 ; y = y || 0
+    B.forEach(function(lex, u, v){
+      var cell = A.getCell(u+x, v+y)
+      if (cell && lex.opacity > 0) {
+        cell.clone(lex)
+      }
+    })
+  }
+  blit.or = blit.under = function(A, B, x, y){
+    x = x || 0 ; y = y || 0
+    B.forEach(function(lex, u, v){
+      var cell = A.getCell(u+x, v+y)
+      if (cell && cell.opacity == 0) {
+        cell.clone(lex)
+      }
+    })
+  }
+  // copy the region of A beginning at x,y into B
+  blit.copy_from = function(A, B, x, y){
+    x = x || 0 ; y = y || 0
+    B.forEach(function(lex, u, v){
+      var cell = A.getCell(u+x, v+y)
+      if (cell) {
+        lex.clone(cell)
+      }
+    })
+  }
+  blit.copy_to = function(A, B, x, y){
+    x = x || 0 ; y = y || 0
+    B.forEach(function(lex, u, v){
+      var cell = A.getCell(u+x, v+y)
+      if (cell) {
+        cell.clone(lex)
+      }
+    })
+  }
+  blit.invert = function(A, B, x, y){
+    x = x || 0 ; y = y || 0
+    B.forEach(function(lex, u, v){
+      var cell = A.getCell(u+x, v+y)
+      if (cell && lex.opacity > 0) {
+        cell.fg = get_inverse(cell.fg)
+        cell.bg = get_inverse(cell.bg)
+      }
+    })
+  }
+  return blit
 })()