1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef SkTextFormatParams_DEFINES 18 #define SkTextFormatParams_DEFINES 19 20 #include "SkScalar.h" 21 #include "SkTypes.h" 22 23 // Fraction of the text size to lower a strike through line below the baseline. 24 #define kStdStrikeThru_Offset (-SK_Scalar1 * 6 / 21) 25 // Fraction of the text size to lower a underline below the baseline. 26 #define kStdUnderline_Offset (SK_Scalar1 / 9) 27 // Fraction of the text size to use for a strike through or under-line. 28 #define kStdUnderline_Thickness (SK_Scalar1 / 18) 29 30 // The fraction of text size to embolden fake bold text scales with text size. 31 // At 9 points or below, the stroke width is increased by text size / 24. 32 // At 36 points and above, it is increased by text size / 32. In between, 33 // it is interpolated between those values. 34 static const SkScalar kStdFakeBoldInterpKeys[] = { 35 SkIntToScalar(9), 36 SkIntToScalar(36) 37 }; 38 static const SkScalar kStdFakeBoldInterpValues[] = { 39 SK_Scalar1/24, 40 SK_Scalar1/32 41 }; 42 SK_COMPILE_ASSERT(SK_ARRAY_COUNT(kStdFakeBoldInterpKeys) == 43 SK_ARRAY_COUNT(kStdFakeBoldInterpValues), 44 mismatched_array_size); 45 static const int kStdFakeBoldInterpLength = 46 SK_ARRAY_COUNT(kStdFakeBoldInterpKeys); 47 48 #endif //SkTextFormatParams_DEFINES 49