michael@0: 
michael@0: /*
michael@0:  * Copyright 2010 The Android Open Source Project
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: 
michael@0: #ifndef SkTextFormatParams_DEFINES
michael@0: #define SkTextFormatParams_DEFINES
michael@0: 
michael@0: #include "SkScalar.h"
michael@0: #include "SkTypes.h"
michael@0: 
michael@0: // Fraction of the text size to lower a strike through line below the baseline.
michael@0: #define kStdStrikeThru_Offset       (-SK_Scalar1 * 6 / 21)
michael@0: // Fraction of the text size to lower a underline below the baseline.
michael@0: #define kStdUnderline_Offset        (SK_Scalar1 / 9)
michael@0: // Fraction of the text size to use for a strike through or under-line.
michael@0: #define kStdUnderline_Thickness     (SK_Scalar1 / 18)
michael@0: 
michael@0: // The fraction of text size to embolden fake bold text scales with text size.
michael@0: // At 9 points or below, the stroke width is increased by text size / 24.
michael@0: // At 36 points and above, it is increased by text size / 32.  In between,
michael@0: // it is interpolated between those values.
michael@0: static const SkScalar kStdFakeBoldInterpKeys[] = {
michael@0:     SK_Scalar1*9,
michael@0:     SK_Scalar1*36,
michael@0: };
michael@0: static const SkScalar kStdFakeBoldInterpValues[] = {
michael@0:     SK_Scalar1/24,
michael@0:     SK_Scalar1/32
michael@0: };
michael@0: SK_COMPILE_ASSERT(SK_ARRAY_COUNT(kStdFakeBoldInterpKeys) ==
michael@0:                   SK_ARRAY_COUNT(kStdFakeBoldInterpValues),
michael@0:                   mismatched_array_size);
michael@0: static const int kStdFakeBoldInterpLength =
michael@0:     SK_ARRAY_COUNT(kStdFakeBoldInterpKeys);
michael@0: 
michael@0: #endif  //SkTextFormatParams_DEFINES