make tests portable by using 565 compatible colors

gm/pathopsinverse.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 "gm.h"
 #include "SkBitmap.h"
 #include "SkPath.h"
 #include "SkPathOps.h"
 #include "SkRect.h"
 
 namespace skiagm {
 
 class PathOpsInverseGM : public GM {
 public:
     PathOpsInverseGM() {
     }
 
 protected:
     void onOnceBeforeDraw() override {
-        const unsigned oneColor = 0xFF8080FF;
+        const unsigned oneColor = sk_tool_utils::color_to_565(0xFF8080FF);
         const unsigned twoColor = 0x807F1f1f;
         SkColor blendColor = blend(oneColor, twoColor);
         makePaint(&fOnePaint, oneColor);
         makePaint(&fTwoPaint, twoColor);
         makePaint(&fOpPaint[kDifference_SkPathOp], oneColor);
         makePaint(&fOpPaint[kIntersect_SkPathOp], blendColor);
-        makePaint(&fOpPaint[kUnion_SkPathOp], 0xFFc0FFc0);
+        makePaint(&fOpPaint[kUnion_SkPathOp], sk_tool_utils::color_to_565(0xFFc0FFc0));
         makePaint(&fOpPaint[kReverseDifference_SkPathOp], twoColor);
-        makePaint(&fOpPaint[kXOR_SkPathOp], 0xFFa0FFe0);
+        makePaint(&fOpPaint[kXOR_SkPathOp], sk_tool_utils::color_to_565(0xFFa0FFe0));
         makePaint(&fOutlinePaint, 0xFF000000);
         fOutlinePaint.setStyle(SkPaint::kStroke_Style);
     }
 
     SkColor blend(SkColor one, SkColor two) {
         SkBitmap temp;
         temp.allocN32Pixels(1, 1);
         SkCanvas canvas(temp);
         canvas.drawColor(one);
         canvas.drawColor(two);
@@ skipping 62 matching lines @@
     SkPaint fOpPaint[kReverseDifference_SkPathOp - kDifference_SkPathOp + 1];
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new PathOpsInverseGM; }
 static GMRegistry reg(MyFactory);
 
 }