1e41f4b71Sopenharmony_ci# drawing_font_collection.h 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## 概述 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ci定义绘制模块中与字体集合相关的函数。 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci**引用文件：**<native_drawing/drawing_font_collection.h> 9e41f4b71Sopenharmony_ci 10e41f4b71Sopenharmony_ci**库：** libnative_drawing.so 11e41f4b71Sopenharmony_ci 12e41f4b71Sopenharmony_ci**起始版本：** 8 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### 函数 21e41f4b71Sopenharmony_ci 22e41f4b71Sopenharmony_ci| 名称 | 描述 | 23e41f4b71Sopenharmony_ci| -------- | -------- | 24e41f4b71Sopenharmony_ci| [OH_Drawing_FontCollection](_drawing.md#oh_drawing_fontcollection) \* [OH_Drawing_CreateFontCollection](_drawing.md#oh_drawing_createfontcollection) (void) | 创建字体集对象[OH_Drawing_FontCollection](_drawing.md#oh_drawing_fontcollection)。该函数创建的字体集指针对象[OH_Drawing_FontCollection](_drawing.md#oh_drawing_fontcollection)只能被一个[OH_Drawing_TypographyCreate](_drawing.md#oh_drawing_typographycreate)对象使用，无法被多个[OH_Drawing_TypographyCreate](_drawing.md#oh_drawing_typographycreate)对象共享使用。如需在多个[OH_Drawing_TypographyCreate](_drawing.md#oh_drawing_typographycreate)对象间共享同一个[OH_Drawing_FontCollection](_drawing.md#oh_drawing_fontcollection)，请使用[OH_Drawing_CreateSharedFontCollection](_drawing.md#oh_drawing_createsharedfontcollection)函数创建[OH_Drawing_FontCollection](_drawing.md#oh_drawing_fontcollection)对象。 | 25e41f4b71Sopenharmony_ci| void [OH_Drawing_DestroyFontCollection](_drawing.md#oh_drawing_destroyfontcollection) ([OH_Drawing_FontCollection](_drawing.md#oh_drawing_fontcollection) \*) | 释放被字体集对象占据的内存。 | 26e41f4b71Sopenharmony_ci| void [OH_Drawing_DisableFontCollectionFallback](_drawing.md#oh_drawing_disablefontcollectionfallback) ([OH_Drawing_FontCollection](_drawing.md#oh_drawing_fontcollection) \*fontCollection) | 禁用备用字体。 | 27e41f4b71Sopenharmony_ci| void [OH_Drawing_DisableFontCollectionSystemFont](_drawing.md#oh_drawing_disablefontcollectionsystemfont) ([OH_Drawing_FontCollection](_drawing.md#oh_drawing_fontcollection) \*fontCollection) | 禁用系统字体。 | 28e41f4b71Sopenharmony_ci| [OH_Drawing_FontCollection](_drawing.md#oh_drawing_fontcollection) \* [OH_Drawing_CreateSharedFontCollection](_drawing.md#oh_drawing_createsharedfontcollection) (void) | 创建可共享的字体集对象[OH_Drawing_FontCollection](_drawing.md#oh_drawing_fontcollection)。 | 29e41f4b71Sopenharmony_ci| void [OH_Drawing_ClearFontCaches](_drawing.md#oh_drawing_clearfontcaches) ([OH_Drawing_FontCollection](_drawing.md#oh_drawing_fontcollection) \*) | 清理字体排版缓存（字体排版缓存本身设有内存上限和清理机制，所占内存有限，如无内存要求，不建议清理）。 |