fix stroking large drawPosText

src/core/SkDraw.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 "SkDraw.h"
 #include "SkBlitter.h"
 #include "SkBounder.h"
@@ skipping 1878 matching lines @@
                                  const SkScalar pos[], SkScalar constY,
                                  int scalarsPerPosition,
                                  const SkPaint& origPaint) const {
     // setup our std paint, in hopes of getting hits in the cache
     SkPaint paint(origPaint);
     SkScalar matrixScale = paint.setupForAsPaths();
 
     SkMatrix matrix;
     matrix.setScale(matrixScale, matrixScale);
 
+    // Temporarily jam in kFill, so we only ever ask for the raw outline from the cache.
+    paint.setStyle(SkPaint::kFill_Style);
+    paint.setPathEffect(NULL);
+
     SkDrawCacheProc     glyphCacheProc = paint.getDrawCacheProc();
     SkAutoGlyphCache    autoCache(paint, NULL, NULL);
     SkGlyphCache*       cache = autoCache.getCache();
 
     const char*        stop = text + byteLength;
     AlignProc_scalar   alignProc = pick_align_proc_scalar(paint.getTextAlign());
     TextMapState       tms(SkMatrix::I(), constY);
     TextMapState::Proc tmsProc = tms.pickProc(scalarsPerPosition);
 
+    // Now restore the original settings, so we "draw" with whatever style/stroking.
+    paint.setStyle(origPaint.getStyle());
+    paint.setPathEffect(origPaint.getPathEffect());
+
     while (text < stop) {
         const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0);
         if (glyph.fWidth) {
             const SkPath* path = cache->findPath(glyph);
             if (path) {
                 tmsProc(tms, pos);
                 SkPoint loc;
                 alignProc(tms.fLoc, glyph, &loc);
 
                 matrix[SkMatrix::kMTransX] = loc.fX;
@@ skipping 910 matching lines @@
         mask->fImage = SkMask::AllocImage(size);
         memset(mask->fImage, 0, mask->computeImageSize());
     }
 
     if (SkMask::kJustComputeBounds_CreateMode != mode) {
         draw_into_mask(*mask, devPath, style);
     }
 
     return true;
 }