1/*
2 * Copyright 2010 The Android Open Source Project
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
9#ifndef SkTextFormatParams_DEFINES
10#define SkTextFormatParams_DEFINES
11
12#include "include/core/SkScalar.h"
13#include "include/core/SkTypes.h"
14
15// Fraction of the text size to lower a strike through line below the baseline.
16#define kStdStrikeThru_Offset (-SK_Scalar1 * 6 / 21)
17// Fraction of the text size to lower a underline below the baseline.
18#define kStdUnderline_Offset (SK_Scalar1 / 9)
19// Fraction of the text size to use for a strike through or under-line.
20#define kStdUnderline_Thickness (SK_Scalar1 / 18)
21
22// The fraction of text size to embolden fake bold text scales with text size.
23// At 9 points or below, the stroke width is increased by text size / 24.
24// At 36 points and above, it is increased by text size / 32. In between,
25// it is interpolated between those values.
26static const SkScalar kStdFakeBoldInterpKeys[] = {
27 SK_Scalar1*9,
28 SK_Scalar1*36,
29};
30static const SkScalar kStdFakeBoldInterpValues[] = {
31 SK_Scalar1/24,
32 SK_Scalar1/32,
33};
34static_assert(SK_ARRAY_COUNT(kStdFakeBoldInterpKeys) == SK_ARRAY_COUNT(kStdFakeBoldInterpValues),
35 "mismatched_array_size");
36static const int kStdFakeBoldInterpLength = SK_ARRAY_COUNT(kStdFakeBoldInterpKeys);
37
38#endif //SkTextFormatParams_DEFINES
39