xref: /aosp_15_r20/external/skia/src/text/gpu/SDFMaskFilter.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1 /*
2  * Copyright 2022 Google Inc.
3  *
4  * Use of this source code is governed by a BSD-style license that can be
5  * found in the LICENSE file.
6  */
7 
8 #ifndef sktext_gpu_SDFMaskFilter_DEFINED
9 #define sktext_gpu_SDFMaskFilter_DEFINED
10 
11 #include "include/core/SkTypes.h"
12 
13 #if !defined(SK_DISABLE_SDF_TEXT)
14 
15 #include "include/core/SkMaskFilter.h"
16 #include "include/core/SkRefCnt.h"
17 
18 namespace sktext::gpu {
19 
20 /** \class SDFMaskFilter
21 
22     This mask filter converts an alpha mask to a signed distance field representation
23 */
24 class SDFMaskFilter : public SkMaskFilter {
25 public:
26     static sk_sp<SkMaskFilter> Make();
27 };
28 
29 }  // namespace sktext::gpu
30 
31 #endif // !defined(SK_DISABLE_SDF_TEXT)
32 
33 #endif
34