Factored out scaling formula into an helper method

Also use a default value of 100 in case "gui.scalePercent" is not set.

Author: cmaglie

app/src/processing/app/Base.java

@@ -1764,11 +1764,10 @@ public void paint(Graphics g) {
         g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
                 RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
 
-        int scale = Theme.getInteger("gui.scalePercent");
-        Font f = new Font("SansSerif", Font.PLAIN, 11 * scale / 100);
+        Font f = new Font("SansSerif", Font.PLAIN, Theme.scale(11));
         g.setFont(f);
         g.setColor(Color.white);
-        g.drawString(BaseNoGui.VERSION_NAME_LONG, 33 * scale / 100, 20 * scale / 100);
+        g.drawString(BaseNoGui.VERSION_NAME_LONG, Theme.scale(33), Theme.scale(20));
       }
     };
     window.addMouseListener(new MouseAdapter() {

app/src/processing/app/EditorHeader.java

@@ -74,7 +74,7 @@ public class EditorHeader extends JComponent {
   static final int PIECE_WIDTH = 4;
 
   // value for the size bars, buttons, etc
-  static final int GRID_SIZE = 33 * Theme.getInteger("gui.scalePercent") / 100;
+  static final int GRID_SIZE = Theme.scale(33);
 
   static Image[][] pieces;
 

app/src/processing/app/EditorLineStatus.java

@@ -55,7 +55,7 @@ public EditorLineStatus() {
     background = Theme.getColor("linestatus.bgcolor");
     font = Theme.getFont("linestatus.font");
     foreground = Theme.getColor("linestatus.color");
-    high = Theme.getInteger("linestatus.height") * Theme.getInteger("gui.scalePercent") / 100;
+    high = Theme.scale(Theme.getInteger("linestatus.height"));
 
     if (OSUtils.isMacOS()) {
       resize = Theme.getThemeImage("resize.png", this);

app/src/processing/app/EditorStatus.java

@@ -68,7 +68,7 @@ public class EditorStatus extends JPanel {
   }
 
   // value for the size bars, buttons, etc
-  static final int GRID_SIZE = 33 * Theme.getInteger("gui.scalePercent") / 100;
+  static final int GRID_SIZE = Theme.scale(33);
 
   private final Editor editor;
   private final Font font;

app/src/processing/app/EditorToolbar.java

@@ -56,19 +56,19 @@ public class EditorToolbar extends JComponent implements MouseInputListener, Key
   /**
    * Width of each toolbar button.
    */
-  private static final int BUTTON_WIDTH = 27 * Theme.getInteger("gui.scalePercent") / 100;
+  private static final int BUTTON_WIDTH = Theme.scale(27);
   /**
    * Height of each toolbar button.
    */
-  private static final int BUTTON_HEIGHT = 32 * Theme.getInteger("gui.scalePercent") / 100;
+  private static final int BUTTON_HEIGHT = Theme.scale(32);
   /**
    * The amount of space between groups of buttons on the toolbar.
    */
-  private static final int BUTTON_GAP = 5 * Theme.getInteger("gui.scalePercent") / 100;
+  private static final int BUTTON_GAP = Theme.scale(5);
   /**
    * Size of the button image being chopped up.
    */
-  private static final int BUTTON_IMAGE_SIZE = 33 * Theme.getInteger("gui.scalePercent") / 100;
+  private static final int BUTTON_IMAGE_SIZE = Theme.scale(33);
 
 
   private static final int RUN = 0;
@@ -437,7 +437,7 @@ public Dimension getMinimumSize() {
 
 
   public Dimension getMaximumSize() {
-    return new Dimension(3000 * Theme.getInteger("gui.scalePercent") / 100, BUTTON_HEIGHT);
+    return new Dimension(Theme.scale(3000), BUTTON_HEIGHT);
   }
 
 

app/src/processing/app/Theme.java

@@ -97,6 +97,16 @@ static public void setInteger(String key, int value) {
     set(key, String.valueOf(value));
   }
 
+  static public int getScale() {
+    if (get("gui.scalePercent") == null)
+      return 100;
+    return getInteger("gui.scalePercent");
+  }
+
+  static public int scale(int size) {
+    return size * getScale() / 100;
+  }
+
   static public Color getColorCycleColor(String name, int i) {
     int cycleSize = getInteger(name + ".size");
     name = String.format("%s.%02d", name, i % cycleSize);
@@ -125,12 +135,7 @@ static public Font getFont(String attr) {
       set(attr, value);
       font = PreferencesHelper.getFont(table, attr);
     }
-    int scale = getInteger("gui.scalePercent");
-    if (scale != 100) {
-      font = font
-          .deriveFont((float) (font.getSize()) * (float) scale / (float) 100.0);
-    }
-    return font;
+    return font.deriveFont((float) scale(font.getSize()));
   }
 
   /**
@@ -199,7 +204,7 @@ static public Image getLibImage(String filename, Component who) {
     Toolkit tk = Toolkit.getDefaultToolkit();
 
     SplitFile name = FileUtils.splitFilename(filename);
-    int scale = getInteger("gui.scalePercent");
+    int scale = getScale();
     File libFolder = Base.getContentFile("lib");
     File imageFile1x = new File(libFolder, name.basename + "." + name.extension);
     File imageFile2x = new File(libFolder, name.basename + "@2x." + name.extension);