Hide SkCanvas::LayerIter

samplecode/SampleLayers.cpp

Index: samplecode/SampleLayers.cpp
diff --git a/samplecode/SampleLayers.cpp b/samplecode/SampleLayers.cpp
index 194f0a70a92505882f01beab8633c8cf0a5c9cf7..43869762e723c21145a5c5c277281a42b8ab190b 100644
--- a/samplecode/SampleLayers.cpp
+++ b/samplecode/SampleLayers.cpp
@@ -12,7 +12,6 @@
 #include "SkCamera.h"
 #include "SkColorFilter.h"
 #include "SkColorPriv.h"
-#include "SkDevice.h"
 #include "SkGradientShader.h"
 #include "SkImage.h"
 #include "SkInterpolator.h"
@@ -35,22 +34,6 @@ static void make_paint(SkPaint* paint, const SkMatrix& localMatrix) {
     paint->setXfermodeMode(SkXfermode::kDstIn_Mode);
 }
 
-static void dump_layers(const char label[], SkCanvas* canvas) {
-    SkDebugf("Dump Layers(%s)\n", label);
-
-    SkCanvas::LayerIter iter(canvas, true);
-    int index = 0;
-    while (!iter.done()) {
-        SkImageInfo info = iter.device()->imageInfo();
-        const SkIRect& clip = iter.clip().getBounds();
-        SkDebugf("Layer[%d] bitmap [%d %d] X=%d Y=%d clip=[%d %d %d %d] alpha=%d\n", index++,
-                 info.width(), info.height(), iter.x(), iter.y(),
-                 clip.fLeft, clip.fTop, clip.fRight, clip.fBottom,
-                 iter.paint().getAlpha());
-        iter.next();
-    }
-}
-
 // test drawing with strips of fading gradient above and below
 static void test_fade(SkCanvas* canvas) {
     SkAutoCanvasRestore ar(canvas, true);
@@ -86,8 +69,6 @@ static void test_fade(SkCanvas* canvas) {
         p.setAntiAlias(true);
         canvas->drawOval(r, p);
 
-        dump_layers("inside layer alpha", canvas);
-
         canvas->restore();
     } else {
         r.set(0, 0, SkIntToScalar(100), SkIntToScalar(100));
@@ -100,8 +81,6 @@ static void test_fade(SkCanvas* canvas) {
 
 //    return;
 
-    dump_layers("outside layer alpha", canvas);
-
     // now apply an effect
     SkMatrix m;
     m.setScale(SK_Scalar1, -SK_Scalar1);