unicode functions and ascii brushes

1 files changed, 63 insertions, 0 deletions

diff --git a/js/ui/letters.js b/js/ui/letters.js
new file mode 100644
index 0000000..9801a45
--- /dev/null
+++ b/js/ui/letters.js
@@ -0,0 +1,63 @@
+var letters = (function(){
+
+  var letters = new Matrix (1, 1, function(x,y){
+    var lex = new Lex (x,y)
+    return lex
+  })
+
+  letters.repaint = function(charset){
+    var chars = unicode.block(charset, 32)
+    if (chars[0] != " ") chars.unshift(" ")
+    letters.resize( 32, Math.ceil( chars.length / 32 ) )
+
+    var i = 0
+
+  	letters.forEach(function(lex,x,y){
+  	  var char = chars[i++]
+  	  if (char == " ") {
+        lex.bg = brush.fg
+        lex.fg = brush.bg
+  	  }
+  	  else {
+        lex.bg = brush.bg
+        lex.fg = brush.fg
+  	  }
+      lex.char = char
+      lex.opacity = 1
+			lex.build()
+		})
+	}
+  
+  letters.bind = function(){
+    letters.forEach(function(lex, x, y){
+      if (lex.bound) return
+      lex.bound = true
+
+      lex.span.addEventListener('mousedown', function(e){
+        e.preventDefault()
+        brush.char = lex.char
+        if (e.ctrlKey || e.which == 3) {
+          brush.bg = brush.fg
+          brush.fg = fillColor
+        }
+        else {
+          if (lex.char == " ") {
+            brush.bg = brush.fg
+          }
+          else if (brush.bg != fillColor) {
+            brush.fg = brush.bg
+            brush.bg = fillColor
+          }
+        }
+        if (! brush.modified) {
+          brush.generate()
+        }
+      })
+      lex.span.addEventListener('contextmenu', function(e){
+        e.preventDefault()
+      })
+    })
+  }
+  
+  return letters
+})()
\ No newline at end of file