Reland of [2] of "switch colorfilters to sk_sp (patchset #11 id:200001 of https://codereview.chromium.o…

samplecode/SampleAll.cpp

 
 /*
  * Copyright 2011 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 "SkBlurMask.h"
 #include "SkCanvas.h"
@@ skipping 366 matching lines @@
         SkEmbossMaskFilter::Light light;
         light.fDirection[0] = SK_Scalar1/2;
         light.fDirection[1] = SK_Scalar1/2;
         light.fDirection[2] = SK_Scalar1/3;
         light.fAmbient        = 0x48;
         light.fSpecular        = 0x80;
         SkScalar sigma = SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(12)/5);
         SkMaskFilter* embossFilter = SkEmbossMaskFilter::Create(sigma, light);
 
         SkXfermode* xfermode = SkXfermode::Create(SkXfermode::kXor_Mode);
-        SkColorFilter* lightingFilter = SkColorMatrixFilter::CreateLightingFilter(
+        auto lightingFilter = SkColorMatrixFilter::MakeLightingFilter(
             0xff89bc45, 0xff112233);
 
         canvas->save();
         canvas->translate(SkIntToScalar(0), SkIntToScalar(5));
         paint.setAntiAlias(true);
         paint.setFilterQuality(kLow_SkFilterQuality);
         // !!! draw through a clip
         paint.setColor(SK_ColorLTGRAY);
         paint.setStyle(SkPaint::kFill_Style);
         SkRect clip = {0, 0, SkIntToScalar(320), SkIntToScalar(120)};
         canvas->clipRect(clip);
         paint.setShader(SkShader::MakeBitmapShader(fTx,
             SkShader::kMirror_TileMode, SkShader::kRepeat_TileMode));
         canvas->drawPaint(paint);
         canvas->save();
 
         // line (exercises xfermode, colorShader, colorFilter, filterShader)
         paint.setColor(SK_ColorGREEN);
         paint.setStrokeWidth(SkIntToScalar(10));
         paint.setStyle(SkPaint::kStroke_Style);
         paint.setXfermode(xfermode)->unref();
-        paint.setColorFilter(lightingFilter)->unref();
+        paint.setColorFilter(lightingFilter);
         canvas->drawLine(start.fX, start.fY, stop.fX, stop.fY, paint); // should not be green
         paint.setXfermode(nullptr);
         paint.setColorFilter(nullptr);
 
         // rectangle
         paint.setStyle(SkPaint::kFill_Style);
         canvas->translate(SkIntToScalar(50), 0);
         paint.setColor(SK_ColorYELLOW);
         paint.setShader(linear);
         paint.setPathEffect(pathEffectTest());
@@ skipping 116 matching lines @@
         SkString str("GOOGLE");
 
         for (size_t i = 0; i < SK_ARRAY_COUNT(gRastProcs); i++) {
             apply_shader(&paint, (int)i);
 
           //  paint.setMaskFilter(nullptr);
           //  paint.setColor(SK_ColorBLACK);
 
 #if 01
             int index = i % SK_ARRAY_COUNT(gLightingColors);
-            paint.setColorFilter(SkColorMatrixFilter::CreateLightingFilter(
+            paint.setColorFilter(SkColorMatrixFilter::MakeLightingFilter(
                                     gLightingColors[index].fMul,
-                                    gLightingColors[index].fAdd))->unref();
+                                    gLightingColors[index].fAdd));
 #endif
 
             canvas->drawText(str.c_str(), str.size(), x, y, paint);
             SkRect  oval = { x, y - SkIntToScalar(40), x + SkIntToScalar(40), y };
             paint.setStyle(SkPaint::kStroke_Style);
             canvas->drawOval(oval, paint);
             paint.setStyle(SkPaint::kFill_Style);
 
             y += paint.getFontSpacing();
         }
 
         canvas->restore();
     }
 
 private:
     SkPoint fClickPt;
     SkBitmap fBug, fTb, fTx;
     typedef SampleView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static SkView* MyFactory() { return new DemoView; }
 static SkViewRegister reg(MyFactory);