gfx/skia/trunk/src/core/SkTextFormatParams.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/skia/trunk/src/core/SkTextFormatParams.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,41 @@
     1.4 +
     1.5 +/*
     1.6 + * Copyright 2010 The Android Open Source Project
     1.7 + *
     1.8 + * Use of this source code is governed by a BSD-style license that can be
     1.9 + * found in the LICENSE file.
    1.10 + */
    1.11 +
    1.12 +
    1.13 +#ifndef SkTextFormatParams_DEFINES
    1.14 +#define SkTextFormatParams_DEFINES
    1.15 +
    1.16 +#include "SkScalar.h"
    1.17 +#include "SkTypes.h"
    1.18 +
    1.19 +// Fraction of the text size to lower a strike through line below the baseline.
    1.20 +#define kStdStrikeThru_Offset       (-SK_Scalar1 * 6 / 21)
    1.21 +// Fraction of the text size to lower a underline below the baseline.
    1.22 +#define kStdUnderline_Offset        (SK_Scalar1 / 9)
    1.23 +// Fraction of the text size to use for a strike through or under-line.
    1.24 +#define kStdUnderline_Thickness     (SK_Scalar1 / 18)
    1.25 +
    1.26 +// The fraction of text size to embolden fake bold text scales with text size.
    1.27 +// At 9 points or below, the stroke width is increased by text size / 24.
    1.28 +// At 36 points and above, it is increased by text size / 32.  In between,
    1.29 +// it is interpolated between those values.
    1.30 +static const SkScalar kStdFakeBoldInterpKeys[] = {
    1.31 +    SK_Scalar1*9,
    1.32 +    SK_Scalar1*36,
    1.33 +};
    1.34 +static const SkScalar kStdFakeBoldInterpValues[] = {
    1.35 +    SK_Scalar1/24,
    1.36 +    SK_Scalar1/32
    1.37 +};
    1.38 +SK_COMPILE_ASSERT(SK_ARRAY_COUNT(kStdFakeBoldInterpKeys) ==
    1.39 +                  SK_ARRAY_COUNT(kStdFakeBoldInterpValues),
    1.40 +                  mismatched_array_size);
    1.41 +static const int kStdFakeBoldInterpLength =
    1.42 +    SK_ARRAY_COUNT(kStdFakeBoldInterpKeys);
    1.43 +
    1.44 +#endif  //SkTextFormatParams_DEFINES

mercurial