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      1 /*
      2  * Copyright 2015 Google Inc.
      3  *
      4  * Use of this source code is governed by a BD-style license that can be
      5  * found in the LICENSE file.
      6  */
      7 
      8 #include "gm.h"
      9 
     10 #include "SkBlurMask.h"
     11 #include "SkBlurMaskFilter.h"
     12 #include "SkCanvas.h"
     13 #include "SkTextBlob.h"
     14 
     15 // This test ensures that glyphs whose point size is less than the SkGlyphCache's maxmium, but
     16 // who have a large blur, are still handled correctly
     17 DEF_SIMPLE_GM(largeglyphblur, canvas, 1920, 600) {
     18         const char text[] = "Hamburgefons";
     19 
     20         SkPaint paint;
     21         sk_tool_utils::set_portable_typeface(&paint);
     22         paint.setTextSize(256);
     23         paint.setAntiAlias(true);
     24 
     25         // setup up maskfilter
     26         static const SkScalar kSigma = SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(40));
     27 
     28         SkPaint blurPaint(paint);
     29         SkAutoTUnref<SkMaskFilter> mf(SkBlurMaskFilter::Create(kNormal_SkBlurStyle, kSigma));
     30         blurPaint.setMaskFilter(mf);
     31 
     32         SkTextBlobBuilder builder;
     33 
     34         sk_tool_utils::add_to_text_blob(&builder, text, paint, 0, 0);
     35 
     36         SkAutoTUnref<const SkTextBlob> blob(builder.build());
     37         canvas->drawTextBlob(blob.get(), 10, 200, blurPaint);
     38         canvas->drawTextBlob(blob.get(), 10, 200, paint);
     39 
     40         size_t len = strlen(text);
     41         canvas->drawText(text, len, 10, 500, blurPaint);
     42         canvas->drawText(text, len, 10, 500, paint);
     43 }
     44