submodule/skia/include/utils/SkCustomTypeface.h

   1 /*
   2  * Copyright 2020 Google LLC
   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 SkCustomTypeface_DEFINED
   9 #define SkCustomTypeface_DEFINED
  10
  11 #include "include/core/SkFontMetrics.h"
  12 #include "include/core/SkFontStyle.h"
  13 #include "include/core/SkPath.h"
  14 #include "include/core/SkRefCnt.h"
  15 #include "include/core/SkTypes.h"
  16
  17 #include <vector>
  18
  19 class SkImage;
  20 class SkPaint;
  21 class SkPicture;
  22 class SkStream;
  23 class SkTypeface;
  24
  25 class SkCustomTypefaceBuilder {
  26 public:
  27     SkCustomTypefaceBuilder();
  28
  29     void setGlyph(SkGlyphID, float advance, const SkPath&);
  30     void setGlyph(SkGlyphID, float advance, const SkPath&, const SkPaint&);
  31     void setGlyph(SkGlyphID, float advance, sk_sp<SkImage>, float scale);
  32     void setGlyph(SkGlyphID, float advance, sk_sp<SkPicture>);
  33
  34     void setMetrics(const SkFontMetrics& fm, float scale = 1);
  35     void setFontStyle(SkFontStyle);
  36
  37     sk_sp<SkTypeface> detach();
  38
  39 private:
  40     std::vector<SkPath> fPaths;
  41     std::vector<float>  fAdvances;
  42     SkFontMetrics       fMetrics;
  43     SkFontStyle         fStyle;
  44
  45     static sk_sp<SkTypeface> Deserialize(SkStream*);
  46
  47     friend class SkTypeface;
  48 };
  49
  50 #endif