1e41f4b71Sopenharmony_ci# drawing_shader_effect.h 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## 概述 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ci声明与绘图模块中的着色器对象相关的函数。 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci**引用文件**：<native_drawing/drawing_shader_effect.h> 9e41f4b71Sopenharmony_ci 10e41f4b71Sopenharmony_ci**库：** libnative_drawing.so 11e41f4b71Sopenharmony_ci 12e41f4b71Sopenharmony_ci**起始版本：** 11 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_TileMode](_drawing.md#oh_drawing_tilemode) [OH_Drawing_TileMode](_drawing.md#oh_drawing_tilemode) | 着色器效果平铺模式的枚举。 | 25e41f4b71Sopenharmony_ci 26e41f4b71Sopenharmony_ci 27e41f4b71Sopenharmony_ci### 枚举 28e41f4b71Sopenharmony_ci 29e41f4b71Sopenharmony_ci| 名称 | 描述 | 30e41f4b71Sopenharmony_ci| -------- | -------- | 31e41f4b71Sopenharmony_ci| [OH_Drawing_TileMode](_drawing.md#oh_drawing_tilemode) { CLAMP, REPEAT, MIRROR, DECAL } | 着色器效果平铺模式的枚举。 | 32e41f4b71Sopenharmony_ci 33e41f4b71Sopenharmony_ci 34e41f4b71Sopenharmony_ci### 函数 35e41f4b71Sopenharmony_ci 36e41f4b71Sopenharmony_ci| 名称 | 描述 | 37e41f4b71Sopenharmony_ci| -------- | -------- | 38e41f4b71Sopenharmony_ci| [OH_Drawing_ShaderEffect](_drawing.md#oh_drawing_shadereffect) \* [OH_Drawing_ShaderEffectCreateColorShader](_drawing.md#oh_drawing_shadereffectcreatecolorshader) (const uint32_t color) | 创建具有单一颜色的着色器。 | 39e41f4b71Sopenharmony_ci| [OH_Drawing_ShaderEffect](_drawing.md#oh_drawing_shadereffect) \* [OH_Drawing_ShaderEffectCreateLinearGradient](_drawing.md#oh_drawing_shadereffectcreatelineargradient) (const [OH_Drawing_Point](_drawing.md#oh_drawing_point) \*startPt, const [OH_Drawing_Point](_drawing.md#oh_drawing_point) \*endPt, const uint32_t \*colors, const float \*pos, uint32_t size, [OH_Drawing_TileMode](_drawing.md#oh_drawing_tilemode)) | 创建着色器，在两个指定点之间生成线性渐变。 | 40e41f4b71Sopenharmony_ci| [OH_Drawing_ShaderEffect](_drawing.md#oh_drawing_shadereffect) \* [OH_Drawing_ShaderEffectCreateLinearGradientWithLocalMatrix](_drawing.md#oh_drawing_shadereffectcreatelineargradientwithlocalmatrix) (const [OH_Drawing_Point2D](_o_h___drawing___point2_d.md) \*startPt, const [OH_Drawing_Point2D](_o_h___drawing___point2_d.md) \*endPt, const uint32_t \*colors, const float \*pos, uint32_t size, [OH_Drawing_TileMode](_drawing.md#oh_drawing_tilemode), const [OH_Drawing_Matrix](_drawing.md#oh_drawing_matrix) \*) | 创建着色器，在两个指定点之间生成线性渐变。 | 41e41f4b71Sopenharmony_ci| [OH_Drawing_ShaderEffect](_drawing.md#oh_drawing_shadereffect) \* [OH_Drawing_ShaderEffectCreateRadialGradient](_drawing.md#oh_drawing_shadereffectcreateradialgradient) (const [OH_Drawing_Point](_drawing.md#oh_drawing_point) \*centerPt, float radius, const uint32_t \*colors, const float \*pos, uint32_t size, [OH_Drawing_TileMode](_drawing.md#oh_drawing_tilemode)) | 创建着色器，在给定圆心和半径的情况下生成径向渐变。 从起点到终点颜色从内到外进行圆形渐变（从中间向外拉）被称为径向渐变。 | 42e41f4b71Sopenharmony_ci| [OH_Drawing_ShaderEffect](_drawing.md#oh_drawing_shadereffect) \* [OH_Drawing_ShaderEffectCreateRadialGradientWithLocalMatrix](_drawing.md#oh_drawing_shadereffectcreateradialgradientwithlocalmatrix) (const [OH_Drawing_Point2D](_o_h___drawing___point2_d.md) \*centerPt, float radius, const uint32_t \*colors, const float \*pos, uint32_t size, [OH_Drawing_TileMode](_drawing.md#oh_drawing_tilemode), const [OH_Drawing_Matrix](_drawing.md#oh_drawing_matrix) \*) | 创建着色器，在给定圆心和半径的情况下生成径向渐变。 从起点到终点颜色从内到外进行圆形渐变（从中间向外拉）被称为径向渐变。 | 43e41f4b71Sopenharmony_ci| [OH_Drawing_ShaderEffect](_drawing.md#oh_drawing_shadereffect) \* [OH_Drawing_ShaderEffectCreateSweepGradient](_drawing.md#oh_drawing_shadereffectcreatesweepgradient) (const [OH_Drawing_Point](_drawing.md#oh_drawing_point) \*centerPt, const uint32_t \*colors, const float \*pos, uint32_t size, [OH_Drawing_TileMode](_drawing.md#oh_drawing_tilemode)) | 创建着色器，在给定中心的情况下生成扇形渐变。颜色从0°到360°渐变被称为扇形渐变。 | 44e41f4b71Sopenharmony_ci| [OH_Drawing_ShaderEffect](_drawing.md#oh_drawing_shadereffect) \* [OH_Drawing_ShaderEffectCreateImageShader](_drawing.md#oh_drawing_shadereffectcreateimageshader) ([OH_Drawing_Image](_drawing.md#oh_drawing_image) \*, [OH_Drawing_TileMode](_drawing.md#oh_drawing_tilemode) tileX, [OH_Drawing_TileMode](_drawing.md#oh_drawing_tilemode) tileY, const [OH_Drawing_SamplingOptions](_drawing.md#oh_drawing_samplingoptions) \*, const [OH_Drawing_Matrix](_drawing.md#oh_drawing_matrix) \*) | 创建图像着色器。此接口不建议用于录制类型的画布，会影响性能。 | 45e41f4b71Sopenharmony_ci| [OH_Drawing_ShaderEffect](_drawing.md#oh_drawing_shadereffect) \* [OH_Drawing_ShaderEffectCreateTwoPointConicalGradient](_drawing.md#oh_drawing_shadereffectcreatetwopointconicalgradient) (const [OH_Drawing_Point2D](_o_h___drawing___point2_d.md) \*startPt, float startRadius, const [OH_Drawing_Point2D](_o_h___drawing___point2_d.md) \*endPt, float endRadius, const uint32_t \*colors, const float \*pos, uint32_t size, [OH_Drawing_TileMode](_drawing.md#oh_drawing_tilemode), const [OH_Drawing_Matrix](_drawing.md#oh_drawing_matrix) \*) | 创建着色器，在给定两个圆之间生成渐变。 | 46e41f4b71Sopenharmony_ci| void [OH_Drawing_ShaderEffectDestroy](_drawing.md#oh_drawing_shadereffectdestroy) ([OH_Drawing_ShaderEffect](_drawing.md#oh_drawing_shadereffect) \*) | 销毁着色器对象，并收回该对象占用的内存。 | 47