* scale surface view's canvas

  This will not affect GL/Video views as they're directly using surfce but not canvas.

1 files changed, 14 insertions, 2 deletions

diff --git a/core/java/android/view/SurfaceView.java b/core/java/android/view/SurfaceView.java
index ff1eb53..28c1fe1 100644
--- a/core/java/android/view/SurfaceView.java
+++ b/core/java/android/view/SurfaceView.java
@@ -17,7 +17,6 @@
 package android.view;
 
 import android.content.Context;
-import android.content.res.CompatibilityInfo;
 import android.content.res.CompatibilityInfo.Translator;
 import android.graphics.Canvas;
 import android.graphics.PixelFormat;
@@ -256,7 +255,7 @@ public class SurfaceView extends View {
     public boolean dispatchTouchEvent(MotionEvent event) {
         // SurfaceView uses pre-scaled size unless fixed size is requested. This hook
         // scales the event back to the pre-scaled coordinates for such surface.
-        if (mRequestedWidth < 0 && mTranslator != null) {
+        if (mScaled) {
             MotionEvent scaledBack = MotionEvent.obtain(event);
             scaledBack.scale(mTranslator.applicationScale);
             try {
@@ -290,6 +289,8 @@ public class SurfaceView extends View {
     public void setWindowType(int type) {
         mWindowType = type;
     }
+
+    boolean mScaled = false;
     
     private void updateWindow(boolean force) {
         if (!mHaveFrame) {
@@ -309,6 +310,9 @@ public class SurfaceView extends View {
         if (mRequestedWidth <= 0 && mTranslator != null) {
             myWidth *= appScale;
             myHeight *= appScale;
+            mScaled = true;
+        } else {
+            mScaled = false;
         }
 
         getLocationInWindow(mLocation);
@@ -533,6 +537,7 @@ public class SurfaceView extends View {
     private SurfaceHolder mSurfaceHolder = new SurfaceHolder() {
         
         private static final String LOG_TAG = "SurfaceHolder";
+        private int mSaveCount;
         
         public boolean isCreating() {
             return mIsCreating;
@@ -627,6 +632,10 @@ public class SurfaceView extends View {
             if (localLOGV) Log.i(TAG, "Returned canvas: " + c);
             if (c != null) {
                 mLastLockTime = SystemClock.uptimeMillis();
+                if (mScaled) {
+                    mSaveCount = c.save();
+                    mTranslator.translateCanvas(c);
+                }
                 return c;
             }
             
@@ -649,6 +658,9 @@ public class SurfaceView extends View {
         }
 
         public void unlockCanvasAndPost(Canvas canvas) {
+            if (mScaled) {
+                canvas.restoreToCount(mSaveCount);
+            }
             mSurface.unlockCanvasAndPost(canvas);
             mSurfaceLock.unlock();
         }