API change to allow for NormalSource selection at the user level.

tests/SerializationTest.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 "Resources.h"
 #include "SkAnnotationKeys.h"
+#include "SkBitmapProcShader.h"
 #include "SkCanvas.h"
 #include "SkFixed.h"
 #include "SkFontDescriptor.h"
 #include "SkImage.h"
 #include "SkImageSource.h"
 #include "SkLightingShader.h"
 #include "SkMallocPixelRef.h"
+#include "SkNormalSource.h"
 #include "SkOSFile.h"
 #include "SkPictureRecorder.h"
 #include "SkTableColorFilter.h"
 #include "SkTemplates.h"
 #include "SkTypeface.h"
 #include "SkWriteBuffer.h"
 #include "SkValidatingReadBuffer.h"
 #include "SkXfermodeImageFilter.h"
 #include "sk_tool_utils.h"
 #include "Test.h"
@@ skipping 539 matching lines @@
                 sk_tool_utils::color_to_565(0x0),
                 sk_tool_utils::color_to_565(0xFF804020),
                 8);
 
         SkRect bitmapBounds = SkRect::MakeIWH(diffuse.width(), diffuse.height());
 
         SkMatrix matrix;
         SkRect r = SkRect::MakeWH(SkIntToScalar(kTexSize), SkIntToScalar(kTexSize));
         matrix.setRectToRect(bitmapBounds, r, SkMatrix::kFill_ScaleToFit);
 
-        SkVector invNormRotation = { SkScalarSqrt(0.3f), SkScalarSqrt(0.7f) };
+        SkMatrix ctm;
+        ctm.setRotate(45);
         SkBitmap normals;
         normals.allocN32Pixels(kTexSize, kTexSize);
 
         sk_tool_utils::create_frustum_normal_map(&normals, SkIRect::MakeWH(kTexSize, kTexSize));
-        sk_sp<SkShader> lightingShader = SkLightingShader::Make(diffuse, normals, fLights,
-                invNormRotation, &matrix, &matrix);
+        sk_sp<SkShader> normalMap = SkMakeBitmapShader(normals, SkShader::kClamp_TileMode,
+                                                       SkShader::kClamp_TileMode, &matrix, nullptr);
+        sk_sp<SkNormalSource> normalSource = SkNormalSource::MakeFromNormalMap(std::move(normalMap),
+                                                                               ctm);
+        sk_sp<SkShader> lightingShader = SkLightingShader::Make(diffuse, fLights, &matrix,
+                                                                std::move(normalSource));
 
         SkAutoTUnref<SkShader>(TestFlattenableSerialization(lightingShader.get(), true, reporter));
         // TODO test equality?
 
     }
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 #include "SkAnnotation.h"
 
@@ skipping 67 matching lines @@
         { r1, SkAnnotationKeys::Define_Named_Dest_Key(),    d1 },
         { r2, SkAnnotationKeys::Link_Named_Dest_Key(),      d2 },
     };
 
     sk_sp<SkPicture> pict0(recorder.finishRecordingAsPicture());
     sk_sp<SkPicture> pict1(copy_picture_via_serialization(pict0.get()));
 
     TestAnnotationCanvas canvas(reporter, recs, SK_ARRAY_COUNT(recs));
     canvas.drawPicture(pict1);
 }