| 1 | /* |
| 2 | * Copyright 2018 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 SkFontParameters_DEFINED |
| 9 | #define SkFontParameters_DEFINED |
| 10 | |
| 11 | #include "include/core/SkScalar.h" |
| 12 | #include "include/core/SkTypes.h" |
| 13 | |
| 14 | struct SkFontParameters { |
| 15 | struct Variation { |
| 16 | // Parameters in a variation font axis. |
| 17 | struct Axis { |
| 18 | // Four character identifier of the font axis (weight, width, slant, italic...). |
| 19 | SkFourByteTag tag; |
| 20 | // Minimum value supported by this axis. |
| 21 | float min; |
| 22 | // Default value set by this axis. |
| 23 | float def; |
| 24 | // Maximum value supported by this axis. The maximum can equal the minimum. |
| 25 | float max; |
| 26 | // Return whether this axis is recommended to be remain hidden in user interfaces. |
| 27 | bool isHidden() const { return flags & HIDDEN; } |
| 28 | // Set this axis to be remain hidden in user interfaces. |
| 29 | void setHidden(bool hidden) { flags = hidden ? (flags | HIDDEN) : (flags & ~HIDDEN); } |
| 30 | private: |
| 31 | static constexpr uint16_t HIDDEN = 0x0001; |
| 32 | // Attributes for a font axis. |
| 33 | uint16_t flags; |
| 34 | }; |
| 35 | }; |
| 36 | }; |
| 37 | |
| 38 | #endif |
| 39 | |