make pixelsnap textblob* etc gm portable

gm/poly2poly.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 "gm.h"
+#include "Resources.h"
+#include "SkTypeface.h"
 
 class SkJSCanvas {
 public:
     SkJSCanvas(SkCanvas* target);
     ~SkJSCanvas();
 
     void save();
     void restore();
 
     double lineWidth;
@@ skipping 189 matching lines @@
         canvas->drawRectCoords(0, 0, D, D, *paint);
         canvas->drawLine(0, 0, D, D, *paint);
         canvas->drawLine(0, D, D, 0, *paint);
 
         SkPaint::FontMetrics fm;
         paint->getFontMetrics(&fm);
         paint->setColor(SK_ColorRED);
         paint->setStyle(SkPaint::kFill_Style);
         SkScalar x = D/2;
         SkScalar y = D/2 - (fm.fAscent + fm.fDescent)/2;
-        SkString str;
-        str.appendS32(count);
-        canvas->drawText(str.c_str(), str.size(), x, y, *paint);
+        uint16_t glyphID = 3; // X
+        canvas->drawText((void*) &glyphID, sizeof(glyphID), x, y, *paint);
+        canvas->restore();
+    }
 
-        canvas->restore();
+    void onOnceBeforeDraw() override {
+        fEmFace.reset(GetResourceAsTypeface("/fonts/Em.ttf"));
     }
 
     void onDraw(SkCanvas* canvas) override {
         if (false) { test_stroke(canvas); return; }
 
         SkPaint paint;
         paint.setAntiAlias(true);
-        sk_tool_utils::set_portable_typeface(&paint);
+        paint.setTypeface(fEmFace);
+        paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
         paint.setStrokeWidth(SkIntToScalar(4));
         paint.setTextSize(SkIntToScalar(40));
         paint.setTextAlign(SkPaint::kCenter_Align);
 
         canvas->save();
         canvas->translate(SkIntToScalar(10), SkIntToScalar(10));
         // translate (1 point)
         const int src1[] = { 0, 0 };
         const int dst1[] = { 5, 5 };
         doDraw(canvas, &paint, src1, dst1, 1);
@@ skipping 19 matching lines @@
         canvas->translate(SkIntToScalar(160), SkIntToScalar(110));
         // perspective (4 points)
         const int src4[] = { 0, 0, 64, 0, 64, 64, 0, 64 };
         const int dst4[] = { 0, 0, 96, 0, 64, 96, 0, 64 };
         doDraw(canvas, &paint, src4, dst4, 4);
         canvas->restore();
     }
 
 private:
     typedef skiagm::GM INHERITED;
+    SkAutoTUnref<SkTypeface> fEmFace;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM( return new Poly2PolyGM; )