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 #include "modules/skparagraph/include/RunBase.h" 20 #include "modules/skparagraph/src/Run.h" 21 22 namespace skia { 23 namespace textlayout { 24 class RunBaseImpl : public RunBase { 25 public: 26 RunBaseImpl( 27 #ifndef USE_SKIA_TXT 28 sk_sp<SkTextBlob> blob, 29 #else 30 std::shared_ptr<RSTextBlob> blob, 31 #endif 32 SkPoint offset, 33 ParagraphPainter::SkPaintOrID paint, 34 bool clippingNeeded, 35 SkRect clipRect, 36 const Run* visitorRun, 37 size_t visitorPos, 38 #ifdef OHOS_SUPPORT 39 size_t visitorGlobalPos, 40 size_t trailSpaces, 41 #endif 42 size_t visitorSize 43 ); 44 45 #ifndef USE_SKIA_TXT 46 const SkFont& font() const override; 47 #else 48 const RSFont& font() const override; 49 #endif 50 51 size_t size() const override; 52 std::vector<uint16_t> getGlyphs() const override; 53 std::vector<RSPoint> getPositions() const override; 54 std::vector<RSPoint> getOffsets() const override; 55 56 #ifdef OHOS_SUPPORT 57 std::vector<uint16_t> getGlyphs(int64_t start, int64_t length) const override; 58 void getStringRange(uint64_t* location, uint64_t* length) const override; 59 std::vector<uint64_t> getStringIndices(int64_t start, int64_t length) const override; 60 float getTypographicBounds(float* ascent, float* descent, float* leading) const override; 61 std::vector<RSPoint> getAdvances(uint32_t start, uint32_t length) const override; 62 TextDirection getTextDirection() const override; 63 #ifndef USE_SKIA_TXT 64 SkRect getImageBounds() const override; 65 std::vector<SkPoint> getPositions(int64_t start, int64_t length) const override; 66 #else 67 RSRect getImageBounds() const override; 68 std::vector<RSPoint> getPositions(int64_t start, int64_t length) const override; 69 #endif 70 #endif 71 void paint(ParagraphPainter* painter, SkScalar x, SkScalar y) override; 72 73 size_t getVisitorPos() const; 74 size_t getVisitorSize() const; 75 76 private: 77 78 #ifdef OHOS_SUPPORT 79 float calculateTrailSpacesWidth() const; 80 uint64_t calculateActualLength(int64_t start, int64_t length) const; 81 SkRect getAllGlyphRectInfo(SkSpan<const SkGlyphID>& runGlyphIdSpan, size_t startNotWhiteSpaceIndex, 82 SkScalar startWhiteSpaceWidth, size_t endWhiteSpaceNum, SkScalar endAdvance) const; 83 #endif 84 #ifndef USE_SKIA_TXT 85 sk_sp<SkTextBlob> fBlob; 86 SkFont fFont; 87 #else 88 RSFont fFont; 89 std::shared_ptr<RSTextBlob> fBlob; 90 #endif 91 SkPoint fOffset = SkPoint::Make(0.0f, 0.0f); 92 ParagraphPainter::SkPaintOrID fPaint; 93 bool fClippingNeeded = false; 94 SkRect fClipRect = SkRect::MakeEmpty(); 95 96 const Run* fVisitorRun; 97 size_t fVisitorPos; 98 #ifdef OHOS_SUPPORT 99 size_t fVisitorGlobalPos = 0; 100 size_t fTrailSpaces = 0; 101 #endif 102 size_t fVisitorSize; 103 }; 104 } // namespace textlayout 105 } // namespace skia 106 107 #endif // SKPARAGRAPH_SRC_RUN_BASE_IMPL_H