| /* |
| * Copyright 2017 Google Inc. |
| * |
| * 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 LIB_TXT_SRC_RUN_METRICS_H_ |
| #define LIB_TXT_SRC_RUN_METRICS_H_ |
| |
| #include "text_style.h" |
| #include "third_party/skia/include/core/SkFontMetrics.h" |
| |
| namespace txt { |
| |
| // Contains the font metrics and TextStyle of a unique run. |
| class RunMetrics { |
| public: |
| RunMetrics(const TextStyle* style) : text_style(style) {} |
| |
| RunMetrics(const TextStyle* style, const SkFontMetrics& metrics) |
| : text_style(style), font_metrics(metrics) {} |
| |
| const TextStyle* text_style; |
| |
| // SkFontMetrics contains the following metrics: |
| // |
| // * Top distance to reserve above baseline |
| // * Ascent distance to reserve below baseline |
| // * Descent extent below baseline |
| // * Bottom extent below baseline |
| // * Leading distance to add between lines |
| // * AvgCharWidth average character width |
| // * MaxCharWidth maximum character width |
| // * XMin minimum x |
| // * XMax maximum x |
| // * XHeight height of lower-case 'x' |
| // * CapHeight height of an upper-case letter |
| // * UnderlineThickness underline thickness |
| // * UnderlinePosition underline position relative to baseline |
| // * StrikeoutThickness strikeout thickness |
| // * StrikeoutPosition strikeout position relative to baseline |
| SkFontMetrics font_metrics; |
| }; |
| |
| } // namespace txt |
| |
| #endif // LIB_TXT_SRC_RUN_METRICS_H_ |