1 /*
2  * Copyright (c) 2023-2024 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 C_INCLUDE_DRAWING_ROUND_RECT_H
17 #define C_INCLUDE_DRAWING_ROUND_RECT_H
18 
19 /**
20  * @addtogroup Drawing
21  * @{
22  *
23  * @brief Provides functions such as 2D graphics rendering, text drawing, and image display.
24  *
25  * @syscap SystemCapability.Graphic.Graphic2D.NativeDrawing
26  *
27  * @since 11
28  * @version 1.0
29  */
30 
31 /**
32  * @file drawing_round_rect.h
33  *
34  * @brief Declares functions related to the <b>roundRect</b> object in the drawing module.
35  *
36  * @since 11
37  * @version 1.0
38  */
39 
40 #include "drawing_error_code.h"
41 #include "drawing_types.h"
42 
43 #ifdef __cplusplus
44 extern "C" {
45 #endif
46 
47 /**
48  * @brief Enumerates of corner radii position.
49  *
50  * @since 12
51  * @version 1.0
52  */
53 typedef enum {
54     /**
55      * Index of top-left corner radii.
56      */
57     CORNER_POS_TOP_LEFT,
58     /**
59      * Index of top-right corner radii.
60      */
61     CORNER_POS_TOP_RIGHT,
62     /**
63      * Index of bottom-right corner radii.
64      */
65     CORNER_POS_BOTTOM_RIGHT,
66     /**
67      * Index of bottom-left corner radii.
68      */
69     CORNER_POS_BOTTOM_LEFT,
70 } OH_Drawing_CornerPos;
71 
72 /**
73  * @brief Creates an <b>OH_Drawing_RoundRect</b> object.
74  *
75  * @syscap SystemCapability.Graphic.Graphic2D.NativeDrawing
76  * @param OH_Drawing_Rect Indicates the pointer to an <b>OH_Drawing_Rect</b> object.
77  * @param xRad Indicates the corner radii on x-axis.
78  * @param yRad Indicates the corner radii on y-axis.
79  * @return Returns the pointer to the <b>OH_Drawing_RoundRect</b> object created.
80  * @since 11
81  * @version 1.0
82  */
83 OH_Drawing_RoundRect* OH_Drawing_RoundRectCreate(const OH_Drawing_Rect*, float xRad, float yRad);
84 
85 /**
86  * @brief Sets the radiusX and radiusY for a specific corner position.
87  *
88  * @syscap SystemCapability.Graphic.Graphic2D.NativeDrawing
89  * @param OH_Drawing_RoundRect Indicates the pointer to an <b>OH_Drawing_Rect</b> object.
90  * @param pos Indicates the corner radii position.
91  * @param OH_Drawing_Corner_Radii Indicates the corner radii on x-axis and y-axis.
92  * @since 12
93  * @version 1.0
94  */
95 void OH_Drawing_RoundRectSetCorner(OH_Drawing_RoundRect*, OH_Drawing_CornerPos pos, OH_Drawing_Corner_Radii radiusXY);
96 
97 /**
98  * @brief Gets an <b>OH_Drawing_Corner_Radii</b> struct, the point is round corner radiusX and radiusY.
99  *
100  * @syscap SystemCapability.Graphic.Graphic2D.NativeDrawing
101  * @param OH_Drawing_RoundRect Indicates the pointer to an <b>OH_Drawing_RoundRect</b> object.
102  * @param pos Indicates the corner radii position.
103  * @return Returns the corner radii of <b>OH_Drawing_Corner_Radii</b> struct.
104  * @since 12
105  * @version 1.0
106  */
107 OH_Drawing_Corner_Radii OH_Drawing_RoundRectGetCorner(OH_Drawing_RoundRect*, OH_Drawing_CornerPos pos);
108 
109 /**
110  * @brief Destroys an <b>OH_Drawing_RoundRect</b> object and reclaims the memory occupied by the object.
111  *
112  * @syscap SystemCapability.Graphic.Graphic2D.NativeDrawing
113  * @param OH_Drawing_RoundRect Indicates the pointer to an <b>OH_Drawing_RoundRect</b> object.
114  * @since 11
115  * @version 1.0
116  */
117 void OH_Drawing_RoundRectDestroy(OH_Drawing_RoundRect*);
118 
119 /**
120  * @brief Translates round rect by (dx, dy).
121  *
122  * @syscap SystemCapability.Graphic.Graphic2D.NativeDrawing
123  * @param roundRect Indicates the pointer to an <b>OH_Drawing_RoundRect</b> object.
124  * @param dx Indicates the offsets added to rect left and rect right.
125  * @param dy Indicates the offsets added to rect top and rect bottom.
126  * @return Returns the error code.
127  *         Returns {@link OH_DRAWING_SUCCESS} if the operation is successful.
128  *         Returns {@link OH_DRAWING_ERROR_INVALID_PARAMETER} if roundRect is nullptr.
129  * @since 12
130  * @version 1.0
131  */
132 OH_Drawing_ErrorCode OH_Drawing_RoundRectOffset(OH_Drawing_RoundRect* roundRect, float dx, float dy);
133 #ifdef __cplusplus
134 }
135 #endif
136 /** @} */
137 #endif
138