make tests portable by using 565 compatible colors

gm/strokes.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.
  */
 
 
 
@@ skipping 187 matching lines @@
         return SkISize::Make(1500, 1500);
     }
 
     void onDraw(SkCanvas* canvas) override {
         SkPaint origPaint;
         origPaint.setAntiAlias(true);
         origPaint.setStyle(SkPaint::kStroke_Style);
         SkPaint fillPaint(origPaint);
         fillPaint.setColor(SK_ColorRED);
         SkPaint strokePaint(origPaint);
-        strokePaint.setColor(0xFF4444FF);
+        strokePaint.setColor(sk_tool_utils::color_to_565(0xFF4444FF));
 
         void (*procs[])(SkPath*, const SkRect&, SkString*) = {
             make0, make1, make2, make3, make4, make5
         };
 
         canvas->translate(SkIntToScalar(20), SkIntToScalar(80));
 
         SkRect bounds = SkRect::MakeWH(SkIntToScalar(50), SkIntToScalar(50));
         SkScalar dx = bounds.width() * 4/3;
         SkScalar dy = bounds.height() * 5;
@@ skipping 54 matching lines @@
 
 static skiagm::GM* F0(void*) { return new StrokesGM; }
 static skiagm::GM* F1(void*) { return new Strokes2GM; }
 static skiagm::GM* F2(void*) { return new Strokes3GM; }
 static skiagm::GM* F3(void*) { return new Strokes4GM; }
 
 static skiagm::GMRegistry R0(F0);
 static skiagm::GMRegistry R1(F1);
 static skiagm::GMRegistry R2(F2);
 static skiagm::GMRegistry R3(F3);