Add Framebuffer.character()

src/hulk/framebuffer.d

@@ -4,6 +4,7 @@
 module hulk.framebuffer;
 
 import hos.memory;
+import hulk.kfont;
 
 /**
  * Represent a graphical frame buffer.
@@ -105,6 +106,20 @@ struct Framebuffer
         }
     }
 
+    /**
+     * Draw a character.
+     *
+     * @param x X coordinate of left side of character.
+     * @param y Y coordinate of bottom side of character.
+     * @param ch Character to draw.
+     * @param color Color of character.
+     */
+    void character(int x, int y, char ch, uint color)
+    {
+        const(CharInfo) * ci = &kfont.chars[ch];
+        blit_alpha_bitmap(x + ci.left, y + kfont.baseline_offset + ci.top - ci.height, ci.bitmap, ci.width, ci.height, color);
+    }
+
     /**
      * Blit an 8-bit alpha bitmap to the framebuffer.
      *