Change skiaserve color palette for drawing batch bounds

tools/debugger/SkDebugCanvas.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 "SkCanvasPriv.h"
 #include "SkClipStack.h"
 #include "SkDebugCanvas.h"
@@ skipping 313 matching lines @@
 
     canvas->restoreToCount(saveCount);
 
     if (fPaintFilterCanvas) {
         fPaintFilterCanvas->removeAll();
     }
 
 #if SK_SUPPORT_GPU
     // draw any batches if required and issue a full reset onto GrAuditTrail
     if (at) {
+        // we pick three colorblind-safe colors, 75% alpha
+        static const SkColor kTotalBounds = SkColorSetARGB(0xC0, 0x6A, 0x3D, 0x9A);
+        static const SkColor kOpBatchBounds = SkColorSetARGB(0xC0, 0xE3, 0x1A, 0x1C);
+        static const SkColor kOtherBatchBounds = SkColorSetARGB(0xC0, 0xFF, 0x7F, 0x00);
+
         // get the render target of the top device so we can ignore batches drawn offscreen
         SkBaseDevice* bd = canvas->getDevice_just_for_deprecated_compatibility_testing();
         SkGpuDevice* gbd = reinterpret_cast<SkGpuDevice*>(bd);
         uint32_t rtID = gbd->accessRenderTarget()->getUniqueID();
 
         // get the bounding boxes to draw
         GrAuditTrail::AutoEnable ae(at);
         SkTArray<GrAuditTrail::BatchInfo> childrenBounds;
         at->getBoundsByClientID(&childrenBounds, index);
         SkPaint paint;
         paint.setStyle(SkPaint::kStroke_Style);
         paint.setStrokeWidth(1);
         for (int i = 0; i < childrenBounds.count(); i++) {
             if (childrenBounds[i].fRenderTargetUniqueID != rtID) {
                 // offscreen draw, ignore for now
                 continue;
             }
-            paint.setColor(SK_ColorBLACK);
+            paint.setColor(kTotalBounds);
             canvas->drawRect(childrenBounds[i].fBounds, paint);
             for (int j = 0; j < childrenBounds[i].fBatches.count(); j++) {
                 const GrAuditTrail::BatchInfo::Batch& batch = childrenBounds[i].fBatches[j];
                 if (batch.fClientID != index) {
-                    paint.setColor(SK_ColorBLUE);
+                    paint.setColor(kOtherBatchBounds);
                 } else {
-                    paint.setColor(SK_ColorRED);
+                    paint.setColor(kOpBatchBounds);
                 }
                 canvas->drawRect(batch.fBounds, paint);
             }
         }
 
         at->fullReset();
     }
     
 #endif
 }
@@ skipping 347 matching lines @@
 }
 
 bool SkDebugCanvas::lastClipStackData(const SkPath& devPath) {
     if (fCalledAddStackData) {
         fClipStackData.appendf("<br>");
         addPathData(devPath, "pathOut");
         return true;
     }
     return false;
 }