1e41f4b71Sopenharmony_ci# drawing_region.h 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## 概述 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ci定义了与区域相关的功能函数，包括区域的创建，边界设置和销毁等。 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci**引用文件：**<native_drawing/drawing_region.h> 9e41f4b71Sopenharmony_ci 10e41f4b71Sopenharmony_ci**库：** libnative_drawing.so 11e41f4b71Sopenharmony_ci 12e41f4b71Sopenharmony_ci**起始版本：** 12 13e41f4b71Sopenharmony_ci 14e41f4b71Sopenharmony_ci**相关模块：**[Drawing](_drawing.md) 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ci## 汇总 18e41f4b71Sopenharmony_ci 19e41f4b71Sopenharmony_ci 20e41f4b71Sopenharmony_ci### 类型定义 21e41f4b71Sopenharmony_ci 22e41f4b71Sopenharmony_ci| 名称 | 描述 | 23e41f4b71Sopenharmony_ci| -------- | -------- | 24e41f4b71Sopenharmony_ci| typedef enum [OH_Drawing_RegionOpMode](_drawing.md#oh_drawing_regionopmode) [OH_Drawing_RegionOpMode](_drawing.md#oh_drawing_regionopmode) | 区域操作类型枚举。 | 25e41f4b71Sopenharmony_ci 26e41f4b71Sopenharmony_ci 27e41f4b71Sopenharmony_ci### 枚举 28e41f4b71Sopenharmony_ci 29e41f4b71Sopenharmony_ci| 名称 | 描述 | 30e41f4b71Sopenharmony_ci| -------- | -------- | 31e41f4b71Sopenharmony_ci| [OH_Drawing_RegionOpMode](_drawing.md#oh_drawing_regionopmode) {<br/>REGION_OP_MODE_DIFFERENCE, REGION_OP_MODE_INTERSECT, REGION_OP_MODE_UNION, REGION_OP_MODE_XOR,<br/>REGION_OP_MODE_REVERSE_DIFFERENCE, REGION_OP_MODE_REPLACE<br/>} | 区域操作类型枚举。 | 32e41f4b71Sopenharmony_ci 33e41f4b71Sopenharmony_ci 34e41f4b71Sopenharmony_ci### 函数 35e41f4b71Sopenharmony_ci 36e41f4b71Sopenharmony_ci| 名称 | 描述 | 37e41f4b71Sopenharmony_ci| -------- | -------- | 38e41f4b71Sopenharmony_ci| [OH_Drawing_Region](_drawing.md#oh_drawing_region) \* [OH_Drawing_RegionCreate](_drawing.md#oh_drawing_regioncreate) (void) | 用于创建一个区域对象，实现更精确的图形控制。 | 39e41f4b71Sopenharmony_ci| bool [OH_Drawing_RegionContains](_drawing.md#oh_drawing_regioncontains) ([OH_Drawing_Region](_drawing.md#oh_drawing_region) \*region, int32_t x, int32_t y) | 判断区域是否包含指定坐标点。 | 40e41f4b71Sopenharmony_ci| bool [OH_Drawing_RegionOp](_drawing.md#oh_drawing_regionop) ([OH_Drawing_Region](_drawing.md#oh_drawing_region) \*region, const [OH_Drawing_Region](_drawing.md#oh_drawing_region) \*other, [OH_Drawing_RegionOpMode](_drawing.md#oh_drawing_regionopmode) op) | 将两个区域按照指定的区域操作类型合并。 | 41e41f4b71Sopenharmony_ci| bool [OH_Drawing_RegionSetRect](_drawing.md#oh_drawing_regionsetrect) ([OH_Drawing_Region](_drawing.md#oh_drawing_region) \*region, const [OH_Drawing_Rect](_drawing.md#oh_drawing_rect) \*rect) | 用于尝试给区域对象设置矩形边界。 | 42e41f4b71Sopenharmony_ci| bool [OH_Drawing_RegionSetPath](_drawing.md#oh_drawing_regionsetpath) ([OH_Drawing_Region](_drawing.md#oh_drawing_region) \*region, const [OH_Drawing_Path](_drawing.md#oh_drawing_path) \*path, const [OH_Drawing_Region](_drawing.md#oh_drawing_region) \*clip) | 给区域对象设置为指定区域内路径表示的范围。 | 43e41f4b71Sopenharmony_ci| void [OH_Drawing_RegionDestroy](_drawing.md#oh_drawing_regiondestroy) ([OH_Drawing_Region](_drawing.md#oh_drawing_region) \*) | 用于销毁区域对象并回收该对象占有的内存。 | 44