Trebuchet : Add iconMask/iconBack/iconUpon/iconScale support

Change-Id: I85ecee3b5c26f79918fe0c4d220e09c943eec3e6

1 files changed, 29 insertions, 2 deletions

diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index f41a1c2e5..9b5cbe7eb 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -103,10 +103,15 @@ final class Utilities {
         }
     }
 
+    static Bitmap createIconBitmap(Drawable icon, Context context) {
+        return createIconBitmap(icon, context, null, null, null, 1f);
+    }
+
     /**
      * Returns a bitmap suitable for the all apps view.
      */
-    static Bitmap createIconBitmap(Drawable icon, Context context) {
+    static Bitmap createIconBitmap(Drawable icon, Context context, Drawable iconBack,
+            Drawable iconMask, Drawable iconUpon, float scale) {
         synchronized (sCanvas) { // we share the statics :-(
             if (sIconWidth == -1) {
                 initStatics(context);
@@ -143,7 +148,7 @@ final class Utilities {
             int textureWidth = sIconTextureWidth;
             int textureHeight = sIconTextureHeight;
 
-            final Bitmap bitmap = Bitmap.createBitmap(textureWidth, textureHeight,
+            Bitmap bitmap = Bitmap.createBitmap(textureWidth, textureHeight,
                     Bitmap.Config.ARGB_8888);
             final Canvas canvas = sCanvas;
             canvas.setBitmap(bitmap);
@@ -164,7 +169,29 @@ final class Utilities {
 
             sOldBounds.set(icon.getBounds());
             icon.setBounds(left, top, left+width, top+height);
+            canvas.save();
+            if (iconMask != null && iconBack != null) {
+                canvas.scale(scale, scale, width / 2, height/2);
+            }
             icon.draw(canvas);
+            canvas.restore();
+            if (iconBack != null && iconMask != null) {
+                iconMask.setBounds(icon.getBounds());
+                ((BitmapDrawable) iconMask).getPaint().setXfermode(
+                        new PorterDuffXfermode(PorterDuff.Mode.DST_OUT));
+                iconMask.draw(canvas);
+                canvas.setBitmap(null);
+                Bitmap finalBitmap = Bitmap.createBitmap(textureWidth, textureHeight,
+                        Bitmap.Config.ARGB_8888);
+                canvas.setBitmap(finalBitmap);
+                iconBack.setBounds(icon.getBounds());
+                iconBack.draw(canvas);
+                canvas.drawBitmap(bitmap, null, icon.getBounds(), null);
+                bitmap = finalBitmap;
+            }
+            if (iconUpon != null) {
+                iconUpon.draw(canvas);
+            }
             icon.setBounds(sOldBounds);
             canvas.setBitmap(null);