| /* |
| * 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_STYLED_RUNS_H_ |
| #define LIB_TXT_SRC_STYLED_RUNS_H_ |
| |
| #include <list> |
| #include <vector> |
| |
| #include "text_style.h" |
| #include "third_party/googletest/googletest/include/gtest/gtest_prod.h" // nogncheck |
| #include "utils/WindowsUtils.h" |
| |
| namespace txt { |
| |
| // This holds and handles the start/end positions of discrete chunks of text |
| // that use different styles (a 'run'). |
| class StyledRuns { |
| public: |
| struct Run { |
| const TextStyle& style; |
| size_t start; |
| size_t end; |
| }; |
| |
| StyledRuns(); |
| |
| ~StyledRuns(); |
| |
| StyledRuns(const StyledRuns& other) = delete; |
| |
| StyledRuns(StyledRuns&& other); |
| |
| const StyledRuns& operator=(StyledRuns&& other); |
| |
| void swap(StyledRuns& other); |
| |
| size_t AddStyle(const TextStyle& style); |
| |
| const TextStyle& GetStyle(size_t style_index) const; |
| |
| void StartRun(size_t style_index, size_t start); |
| |
| void EndRunIfNeeded(size_t end); |
| |
| size_t size() const { return runs_.size(); } |
| |
| Run GetRun(size_t index) const; |
| |
| private: |
| FRIEND_TEST(ParagraphTest, SimpleParagraph); |
| FRIEND_TEST(ParagraphTest, SimpleParagraphSmall); |
| FRIEND_TEST(ParagraphTest, SimpleRedParagraph); |
| FRIEND_TEST(ParagraphTest, RainbowParagraph); |
| FRIEND_TEST(ParagraphTest, DefaultStyleParagraph); |
| FRIEND_TEST(ParagraphTest, BoldParagraph); |
| FRIEND_TEST_WINDOWS_DISABLED(ParagraphTest, LeftAlignParagraph); |
| FRIEND_TEST_WINDOWS_DISABLED(ParagraphTest, RightAlignParagraph); |
| FRIEND_TEST_WINDOWS_DISABLED(ParagraphTest, CenterAlignParagraph); |
| FRIEND_TEST_WINDOWS_DISABLED(ParagraphTest, JustifyAlignParagraph); |
| FRIEND_TEST(ParagraphTest, DecorationsParagraph); |
| FRIEND_TEST(ParagraphTest, ItalicsParagraph); |
| FRIEND_TEST(ParagraphTest, ChineseParagraph); |
| FRIEND_TEST(ParagraphTest, DISABLED_ArabicParagraph); |
| FRIEND_TEST(ParagraphTest, LongWordParagraph); |
| FRIEND_TEST(ParagraphTest, KernParagraph); |
| FRIEND_TEST(ParagraphTest, HyphenBreakParagraph); |
| FRIEND_TEST(ParagraphTest, RepeatLayoutParagraph); |
| FRIEND_TEST(ParagraphTest, Ellipsize); |
| FRIEND_TEST(ParagraphTest, SimpleShadow); |
| FRIEND_TEST(ParagraphTest, ComplexShadow); |
| FRIEND_TEST(ParagraphTest, FontFallbackParagraph); |
| |
| struct IndexedRun { |
| size_t style_index = 0; |
| size_t start = 0; |
| size_t end = 0; |
| |
| explicit IndexedRun(size_t style_index, size_t start, size_t end) |
| : style_index(style_index), start(start), end(end) {} |
| }; |
| |
| std::vector<TextStyle> styles_; |
| std::vector<IndexedRun> runs_; |
| }; |
| |
| } // namespace txt |
| |
| #endif // LIB_TXT_SRC_STYLED_RUNS_H_ |