Matrix convolution bounds fix; affectsTransparentBlack fixes.

gm/matrixconvolution.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 #include "SkColor.h"
 #include "SkMatrixConvolutionImageFilter.h"
@@ skipping 68 matching lines @@
 
     typedef SkMatrixConvolutionImageFilter MCIF;
 
     void onOnceBeforeDraw() override {
         this->makeBitmap();
     }
 
     void onDraw(SkCanvas* canvas) override {
         canvas->clear(SK_ColorBLACK);
         SkIPoint kernelOffset = SkIPoint::Make(1, 0);
+        SkImageFilter::CropRect rect(SkRect::Make(fBitmap.bounds()));
         for (int x = 10; x < 310; x += 100) {
-            this->draw(canvas, x, 10, kernelOffset, MCIF::kClamp_TileMode, true);
-            this->draw(canvas, x, 110, kernelOffset, MCIF::kClampToBlack_TileMode, true);
-            this->draw(canvas, x, 210, kernelOffset, MCIF::kRepeat_TileMode, true);
+            this->draw(canvas, x, 10, kernelOffset, MCIF::kClamp_TileMode, true, &rect);
+            this->draw(canvas, x, 110, kernelOffset, MCIF::kClampToBlack_TileMode, true, &rect);
+            this->draw(canvas, x, 210, kernelOffset, MCIF::kRepeat_TileMode, true, &rect);
             kernelOffset.fY++;
         }
         kernelOffset.fY = 1;
-        SkImageFilter::CropRect rect(SkRect::MakeXYWH(10, 5, 60, 60));
-        this->draw(canvas, 310, 10, kernelOffset, MCIF::kClamp_TileMode, true, &rect);
-        this->draw(canvas, 310, 110, kernelOffset, MCIF::kClampToBlack_TileMode, true, &rect);
-        this->draw(canvas, 310, 210, kernelOffset, MCIF::kRepeat_TileMode, true, &rect);
+        SkImageFilter::CropRect smallRect(SkRect::MakeXYWH(10, 5, 60, 60));
+        this->draw(canvas, 310, 10, kernelOffset, MCIF::kClamp_TileMode, true, &smallRect);
+        this->draw(canvas, 310, 110, kernelOffset, MCIF::kClampToBlack_TileMode, true, &smallRect);
+        this->draw(canvas, 310, 210, kernelOffset, MCIF::kRepeat_TileMode, true, &smallRect);
 
-        this->draw(canvas, 410, 10, kernelOffset, MCIF::kClamp_TileMode, false);
-        this->draw(canvas, 410, 110, kernelOffset, MCIF::kClampToBlack_TileMode, false);
-        this->draw(canvas, 410, 210, kernelOffset, MCIF::kRepeat_TileMode, false);
+        this->draw(canvas, 410, 10, kernelOffset, MCIF::kClamp_TileMode, false, &rect);
+        this->draw(canvas, 410, 110, kernelOffset, MCIF::kClampToBlack_TileMode, false, &rect);
+        this->draw(canvas, 410, 210, kernelOffset, MCIF::kRepeat_TileMode, false, &rect);
     }
 
 private:
     SkBitmap fBitmap;
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return new MatrixConvolutionGM;)
 
 }