Serialization of SkPictureImageFilter

samplecode/SampleFilterFuzz.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SampleCode.h"
 #include "SkBicubicImageFilter.h"
 #include "SkBitmapDevice.h"
 #include "SkBitmapSource.h"
@@ skipping 166 matching lines @@
     static SkBitmap bitmap[2];
     static bool initialized = false;
     if (!initialized) {
         make_g_bitmap(bitmap[0]);
         make_checkerboard_bitmap(bitmap[1]);
         initialized = true;
     }
     return bitmap[R(2)];
 }
 
+#ifdef SK_ALLOW_PICTUREIMAGEFILTER_SERIALIZATION
+static void drawSomething(SkCanvas* canvas) {
+    SkPaint paint;
+
+    canvas->save();
+    canvas->scale(0.5f, 0.5f);
+    canvas->drawBitmap(make_bitmap(), 0, 0, NULL);
+    canvas->restore();
+
+    const char beforeStr[] = "before circle";
+    const char afterStr[] = "after circle";
+
+    paint.setAntiAlias(true);
+
+    paint.setColor(SK_ColorRED);
+    canvas->drawData(beforeStr, sizeof(beforeStr));
+    canvas->drawCircle(SkIntToScalar(kBitmapSize/2), SkIntToScalar(kBitmapSize/2), SkIntToScalar(kBitmapSize/3), paint);
+    canvas->drawData(afterStr, sizeof(afterStr));
+    paint.setColor(SK_ColorBLACK);
+    paint.setTextSize(SkIntToScalar(kBitmapSize/3));
+    canvas->drawText("Picture", 7, SkIntToScalar(kBitmapSize/2), SkIntToScalar(kBitmapSize/4), paint);
+}
+#endif
+
 static SkImageFilter* make_image_filter(bool canBeNull = true) {
     SkImageFilter* filter = 0;
 
     // Add a 1 in 3 chance to get a NULL input
     if (canBeNull && (R(3) == 1)) { return filter; }
 
     enum { BICUBIC, MERGE, COLOR, BLUR, MAGNIFIER, XFERMODE, OFFSET, COMPOSE,
            DISTANT_LIGHT, POINT_LIGHT, SPOT_LIGHT, NOISE, DROP_SHADOW,
            MORPHOLOGY, BITMAP, DISPLACE, TILE, PICTURE, NUM_FILTERS };
 
@@ skipping 90 matching lines @@
         break;
     case DISPLACE:
         filter = new SkDisplacementMapEffect(make_channel_selector_type(),
                      make_channel_selector_type(), make_scalar(),
                      make_image_filter(false), make_image_filter());
         break;
     case TILE:
         filter = new SkTileImageFilter(make_rect(), make_rect(), make_image_filter(false));
         break;
     case PICTURE:
-        filter = new SkPictureImageFilter(NULL, make_rect());
+    {
+        SkPicture* pict = NULL;
+#ifdef SK_ALLOW_PICTUREIMAGEFILTER_SERIALIZATION
+        pict = new SkPicture;
+        SkAutoUnref aur(pict);
+        drawSomething(pict->beginRecording(kBitmapSize, kBitmapSize));
+        pict->endRecording();
+#endif
+        filter = new SkPictureImageFilter(pict, make_rect());
+    }
         break;
     default:
         break;
     }
     return (filter || canBeNull) ? filter : make_image_filter(canBeNull);
 }
 
 static SkImageFilter* make_serialized_image_filter() {
     SkAutoTUnref<SkImageFilter> filter(make_image_filter(false));
     SkAutoTUnref<SkData> data(SkValidatingSerializeFlattenable(filter));
@@ skipping 84 matching lines @@
     }
 
 private:
     typedef SkView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static SkView* MyFactory() { return new ImageFilterFuzzView; }
 static SkViewRegister reg(MyFactory);