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_RUN_BASE_IMPL_H 17 #define SKPARAGRAPH_SRC_RUN_BASE_IMPL_H 18 19 #ifdef ENABLE_TEXT_ENHANCE 20 #include "modules/skparagraph/include/RunBase.h" 21 #include "modules/skparagraph/src/Run.h" 22 23 namespace skia { 24 namespace textlayout { 25 class RunBaseImpl : public RunBase { 26 public: 27 RunBaseImpl( 28 std::shared_ptr<RSTextBlob> blob, 29 SkPoint offset, 30 ParagraphPainter::SkPaintOrID paint, 31 bool clippingNeeded, 32 SkRect clipRect, 33 const Run* visitorRun, 34 size_t visitorPos, 35 size_t visitorGlobalPos, 36 size_t trailSpaces, 37 size_t visitorSize 38 ); 39 40 const RSFont& font() const override; 41 size_t size() const override; 42 std::vector<uint16_t> getGlyphs() const override; 43 std::vector<RSPoint> getPositions() const override; 44 std::vector<RSPoint> getOffsets() const override; 45 46 std::vector<uint16_t> getGlyphs(int64_t start, int64_t length) const override; 47 void getStringRange(uint64_t* location, uint64_t* length) const override; 48 std::vector<uint64_t> getStringIndices(int64_t start, int64_t length) const override; 49 float getTypographicBounds(float* ascent, float* descent, float* leading) const override; 50 std::vector<RSPoint> getAdvances(uint32_t start, uint32_t length) const override; 51 TextDirection getTextDirection() const override; 52 RSRect getImageBounds() const override; 53 std::vector<RSPoint> getPositions(int64_t start, int64_t length) const override; 54 void paint(ParagraphPainter* painter, SkScalar x, SkScalar y) override; 55 56 size_t getVisitorPos() const; 57 size_t getVisitorSize() const; 58 59 private: 60 float calculateTrailSpacesWidth() const; 61 uint64_t calculateActualLength(int64_t start, int64_t length) const; 62 SkRect getAllGlyphRectInfo(SkSpan<const SkGlyphID>& runGlyphIdSpan, size_t startNotWhiteSpaceIndex, 63 SkScalar startWhiteSpaceWidth, size_t endWhiteSpaceNum, SkScalar endAdvance) const; 64 RSFont fFont; 65 std::shared_ptr<RSTextBlob> fBlob; 66 SkPoint fOffset = SkPoint::Make(0.0f, 0.0f); 67 ParagraphPainter::SkPaintOrID fPaint; 68 bool fClippingNeeded = false; 69 SkRect fClipRect = SkRect::MakeEmpty(); 70 71 const Run* fVisitorRun; 72 size_t fVisitorPos; 73 size_t fVisitorGlobalPos = 0; 74 size_t fTrailSpaces = 0; 75 size_t fVisitorSize; 76 }; 77 } // namespace textlayout 78 } // namespace skia 79 #endif // ENABLE_TEXT_ENHANCE 80 #endif // SKPARAGRAPH_SRC_RUN_BASE_IMPL_H