1/*
2 * Copyright (c) 2020-2022 Huawei Device Co., Ltd.
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 GRAPHIC_LITE_DRAW_LABEL_H
17#define GRAPHIC_LITE_DRAW_LABEL_H
18
19#include "common/typed_text.h"
20#include "draw/draw_utils.h"
21#include "gfx_utils/geometry2d.h"
22#include "gfx_utils/heap_base.h"
23#include "gfx_utils/style.h"
24
25namespace OHOS {
26class DrawLabel : public HeapBase {
27public:
28    static uint16_t DrawTextOneLine(BufferInfo& gfxDstBuffer, const LabelLineInfo& labelLine,
29                                    uint16_t& letterIndex);
30
31    static void DrawArcText(BufferInfo& gfxDstBuffer, const Rect& mask, const char* text, const Point& arcCenter,
32                            uint16_t fontId, uint8_t fontSize, const ArcTextInfo arcTextInfo, const float changeAngle,
33                            TextOrientation orientation, const Style& style, uint8_t opaScale, bool compatibilityMode);
34
35    static bool CalculateAngle(uint16_t letterWidth,
36                               uint16_t letterHeight,
37                               int16_t letterSpace,
38                               const ArcTextInfo arcTextInfo,
39                               bool xorFlag,
40                               uint32_t index,
41                               TextOrientation orientation,
42                               float& posX,
43                               float& posY,
44                               float& rotateAngle,
45                               float& angle,
46                               const Point& arcCenter,
47                               bool compatibilityMode);
48
49    static void DrawLetterWithRotate(BufferInfo& gfxDstBuffer,
50                                     const Rect& mask,
51                                     const ArcLetterInfo& letterInfo,
52                                     float posX,
53                                     float posY);
54
55    static uint8_t GetLineMaxLetterSize(const char* text, uint16_t lineLength, uint16_t fontId, uint8_t fontSize,
56                                        uint16_t letterIndex, SpannableString* spannableString);
57    static void GetLineBackgroundColor(uint16_t letterIndex, List<LineBackgroundColor>* linebackgroundColor,
58                                       bool& havelinebackground, ColorType& linebgColor);
59    static void GetBackgroundColor(uint16_t letterIndex, List<BackgroundColor>* backgroundColor,
60                                   bool& havebackground, ColorType& bgColor);
61    static void GetForegroundColor(uint16_t letterIndex, List<ForegroundColor>* foregroundColor, ColorType& fgColor);
62    static void DrawLineBackgroundColor(BufferInfo& gfxDstBuffer, uint16_t letterIndex,
63                                        const LabelLineInfo& labelLine);
64
65private:
66    static bool CalculatedTransformDataInfo(uint8_t** buffer, TransformDataInfo& letterTranDataInfo,
67        const ArcLetterInfo& letterInfo);
68
69    static bool CalculatedClipAngle(const ArcLetterInfo& letterInfo, float& angle);
70
71    static void CalculatedBeginAndCopySize(const ArcLetterInfo& letterInfo, const uint16_t sizePerPx,
72        const uint16_t cols, const int16_t offsetX, uint16_t& begin, uint16_t& copyCols, TextInRange& range);
73
74    static void OnCalculatedClockwise(const ArcLetterInfo& letterInfo, const uint16_t sizePerPx,
75        const uint16_t cols, const int16_t offsetX, uint16_t& begin, uint16_t& copyCols, TextInRange& range);
76
77    static void OnCalculatedAnticlockwise(const ArcLetterInfo& letterInfo, const uint16_t sizePerPx,
78        const uint16_t cols, const int16_t offsetX, uint16_t& begin, uint16_t& copyCols, TextInRange& range);
79};
80} // namespace OHOS
81#endif // GRAPHIC_LITE_DRAW_LABEL_H
82