1 /*
2 * Copyright (c) 2023 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 #include "frameworks/core/components_ng/render/adapter/matrix_util.h"
17
18 #include "2d_graphics/include/utils/matrix.h"
19
20 namespace OHOS::Ace::NG {
21 constexpr int32_t POSITION_TWO = 2;
22 constexpr int32_t POSITION_THREE = 3;
23 constexpr int32_t POSITION_FOUR = 4;
24 constexpr int32_t POSITION_FIVE = 5;
25 constexpr int32_t POSITION_SIX = 6;
26 constexpr int32_t POSITION_SEVEN = 7;
27 constexpr int32_t POSITION_EIGHT = 8;
28
SetMatrixPolyToPoly(const Matrix4 & matrix,const std::vector<OHOS::Ace::NG::PointT<int32_t>> & totalPoint)29 Matrix4 MatrixUtil::SetMatrixPolyToPoly(
30 const Matrix4& matrix, const std::vector<OHOS::Ace::NG::PointT<int32_t>>& totalPoint)
31 {
32 auto matrix3d = OHOS::Rosen::Drawing::Matrix();
33 /**
34 * When converting from matrix4 to matrix3
35 * [a b c] [a b 0 c]
36 * [d e f] -> [d e 0 f]
37 * [g h i] [0 0 1 0]
38 * [g h 0 i]
39 */
40 matrix3d.SetMatrix(matrix.Get(0, 0), matrix.Get(1, 0), matrix.Get(POSITION_THREE, 0), matrix.Get(0, 1),
41 matrix.Get(1, 1), matrix.Get(POSITION_THREE, 1), matrix.Get(0, POSITION_THREE), matrix.Get(1, POSITION_THREE),
42 matrix.Get(POSITION_THREE, POSITION_THREE));
43 size_t arrayLength = totalPoint.size() / 2;
44 OHOS::Rosen::Drawing::PointF src[arrayLength];
45 OHOS::Rosen::Drawing::PointF dst[arrayLength];
46 for (size_t i = 0; i < arrayLength; i++) {
47 auto point = totalPoint[i];
48 src[i] = OHOS::Rosen::Drawing::Point(point.GetX(), point.GetY());
49 }
50 for (size_t i = 0; i < arrayLength; i++) {
51 auto point = totalPoint[i + arrayLength];
52 dst[i] = OHOS::Rosen::Drawing::Point(point.GetX(), point.GetY());
53 }
54 matrix3d.SetPolyToPoly(src, dst, arrayLength);
55 Matrix4 retMatrix4(matrix3d.Get(0), matrix3d.Get(1), 0, matrix3d.Get(POSITION_TWO), matrix3d.Get(POSITION_THREE),
56 matrix3d.Get(POSITION_FOUR), 0, matrix3d.Get(POSITION_FIVE), 0, 0, 1, 0, matrix3d.Get(POSITION_SIX),
57 matrix3d.Get(POSITION_SEVEN), 0, matrix3d.Get(POSITION_EIGHT));
58 return retMatrix4;
59 }
60 }