add size limit for using glyphcache. above that, draw using paths

src/core/SkScalerContext.cpp

 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkScalerContext.h"
@@ skipping 773 matching lines @@
 }
 
 
 void SkScalerContextRec::getMatrixFrom2x2(SkMatrix* dst) const {
     dst->setAll(fPost2x2[0][0], fPost2x2[0][1], 0,
                 fPost2x2[1][0], fPost2x2[1][1], 0,
                 0,              0,              SkScalarToPersp(SK_Scalar1));
 }
 
 void SkScalerContextRec::getLocalMatrix(SkMatrix* m) const {
-    m->setScale(SkScalarMul(fTextSize, fPreScaleX), fTextSize);
-    if (fPreSkewX) {
-        m->postSkew(fPreSkewX, 0);
-    }
+    SkPaint::SetTextMatrix(m, fTextSize, fPreScaleX, fPreSkewX);
 }
 
 void SkScalerContextRec::getSingleMatrix(SkMatrix* m) const {
     this->getLocalMatrix(m);
 
     //  now concat the device matrix
     SkMatrix    deviceMatrix;
     this->getMatrixFrom2x2(&deviceMatrix);
     m->postConcat(deviceMatrix);
 }
@@ skipping 51 matching lines @@
     SkScalerContext* c = NULL;  //SkCreateColorScalerContext(desc);
     if (NULL == c) {
         c = this->onCreateScalerContext(desc);
     }
     if (NULL == c) {
         c = SkNEW_ARGS(SkScalerContext_Empty,
                        (const_cast<SkTypeface*>(this), desc));
     }
     return c;
 }