| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ANDROID_HWUI_FONT_UTIL_H |
| #define ANDROID_HWUI_FONT_UTIL_H |
| |
| #include <SkUtils.h> |
| |
| #include "Properties.h" |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // Defines |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| #ifdef TEXTURE_BORDER_SIZE |
| #if TEXTURE_BORDER_SIZE != 1 |
| #error TEXTURE_BORDER_SIZE other than 1 is not currently supported |
| #endif |
| #else |
| #define TEXTURE_BORDER_SIZE 1 |
| #endif |
| |
| #define CACHE_BLOCK_ROUNDING_SIZE 4 |
| |
| typedef uint16_t glyph_t; |
| #define GET_METRICS(cache, glyph) cache->getGlyphIDMetrics(glyph) |
| #define IS_END_OF_STRING(glyph) false |
| |
| // prev, next are assumed to be signed x.6 fixed-point numbers with range |
| // [-1, 1]. Result is an integral float. |
| #define AUTO_KERN(prev, next) static_cast<float>(((next) - (prev) + 32) >> 6) |
| |
| #endif // ANDROID_HWUI_FONT_UTIL_H |