1 /*
2  * Copyright (c) 2024 Huawei Device Co., Ltd.. All rights reserved.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef SKPARAGRAPH_SRC_TEXT_LINE_BASE_IMPL_H
17 #define SKPARAGRAPH_SRC_TEXT_LINE_BASE_IMPL_H
18 
19 #include "modules/skparagraph/include/TextLineBase.h"
20 #include "modules/skparagraph/src/TextLine.h"
21 
22 namespace skia {
23 namespace textlayout {
24 class TextLineBaseImpl : public TextLineBase {
25 public:
26 #ifdef OHOS_SUPPORT
27     TextLineBaseImpl(std::unique_ptr<TextLine> visitorTextLine);
28 #else
29     TextLineBaseImpl(TextLine* visitorTextLine);
30 #endif
31     size_t getGlyphCount() const override;
32     std::vector<std::unique_ptr<RunBase>> getGlyphRuns() const override;
33     SkRange<size_t> getTextRange() const override;
34     void paint(ParagraphPainter* painter, SkScalar x, SkScalar y) override;
35 
36 #ifdef OHOS_SUPPORT
37     std::unique_ptr<TextLineBase> createTruncatedLine(double width, EllipsisModal ellipsisMode,
38         const std::string& ellipsisStr) override;
39     double getTypographicBounds(double* ascent, double* descent, double* leading) const override;
40     RSRect getImageBounds() const override;
41     double getTrailingSpaceWidth() const override;
42     int32_t getStringIndexForPosition(SkPoint point) const override;
43     double getOffsetForStringIndex(int32_t index) const override;
44     std::map<int32_t, double> getIndexAndOffsets(bool& isHardBreak) const override;
45     double getAlignmentOffset(double alignmentFactor, double alignmentWidth) const override;
46 #endif
47 
48 private:
49 #ifdef OHOS_SUPPORT
50     std::unique_ptr<TextLine> fVisitorTextLine;
51 #else
52     TextLine* fVisitorTextLine;
53 #endif
54 };
55 }  // namespace textlayout
56 }  // namespace skia
57 
58 #endif  // SKPARAGRAPH_SRC_TEXT_LINE_BASE_IMPL_H