harmony 鸿蒙effect_filter.h

effect_filter.h

The effect_filter.h file declares the APIs of an image effect filter.

File to include: <native_effect/effect_filter.h>

Library: libnative_effect.so

System capability: SystemCapability.Multimedia.Image.Core

Since: 12

Related module: EffectKit

Name	Description
EffectErrorCode OH_Filter_CreateEffect (OH_PixelmapNative pixelmap, OH_Filter *filter)	Creates an OH_Filter object.
EffectErrorCode OH_Filter_Release (OH_Filter *filter)	Releases an OH_Filter object.
EffectErrorCode OH_Filter_Blur (OH_Filter *filter, float radius)	Creates the frosted glass effect and adds it to a filter.
EffectErrorCode OH_Filter_BlurWithTileMode (OH_Filter *filter, float radius, EffectTileMode tileMode)	Creates the frosted glass effect and adds it to a filter.
EffectErrorCode OH_Filter_Brighten (OH_Filter *filter, float brightness)	Creates the brightening effect and adds it to a filter.
EffectErrorCode OH_Filter_GrayScale (OH_Filter *filter)	Creates the grayscale effect and adds it to a filter.
EffectErrorCode OH_Filter_Invert (OH_Filter *filter)	Creates the inverted color effect and adds it to a filter.
EffectErrorCode OH_Filter_SetColorMatrix (OH_Filter filter, OH_Filter_ColorMatrix matrix)	Creates a custom effect through a matrix and adds it to a filter.
EffectErrorCode OH_Filter_GetEffectPixelMap (OH_Filter filter, OH_PixelmapNative *pixelmap)	Obtains the pixel map used to create a filter.