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 #include "sk_tool_utils.h"
10 
11 #include "SkBlurMask.h"
12 #include "SkBlurMaskFilter.h"
13 #include "SkCanvas.h"
14 #include "SkTextBlob.h"
15 
16 // This test ensures that glyphs whose point size is less than the SkGlyphCache's maxmium, but
17 // who have a large blur, are still handled correctly
18 DEF_SIMPLE_GM(largeglyphblur, canvas, 1920, 600) {
19         const char text[] = "Hamburgefons";
20 
21         SkPaint paint;
22         sk_tool_utils::set_portable_typeface(&paint);
23         paint.setTextSize(256);
24         paint.setAntiAlias(true);
25 
26         // setup up maskfilter
27         const SkScalar kSigma = SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(40));
28 
29         SkPaint blurPaint(paint);
30         blurPaint.setMaskFilter(SkBlurMaskFilter::Make(kNormal_SkBlurStyle, kSigma));
31 
32         SkTextBlobBuilder builder;
33 
34         sk_tool_utils::add_to_text_blob(&builder, text, paint, 0, 0);
35 
36         sk_sp<SkTextBlob> blob(builder.make());
37         canvas->drawTextBlob(blob, 10, 200, blurPaint);
38         canvas->drawTextBlob(blob, 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