harmony 鸿蒙drawing_color_filter.h
drawing_color_filter.h
Overview
The drawing_color_filter.h file declares the functions related to the color filter in the drawing module.
File to include: <native_drawing/drawing_color_filter.h>
Library: libnative_drawing.so
Since: 11
Related module: Drawing
Summary
Functions
| Name | Description |
|---|---|
| OH_Drawing_ColorFilter * OH_Drawing_ColorFilterCreateBlendMode (uint32_t color, OH_Drawing_BlendMode) | Creates an OH_Drawing_ColorFilter object with a given blend mode. |
| OH_Drawing_ColorFilter * OH_Drawing_ColorFilterCreateCompose (OH_Drawing_ColorFilter *colorFilter1, OH_Drawing_ColorFilter *colorFilter2) | Creates an OH_Drawing_ColorFilter object by combining another two color filters. |
| OH_Drawing_ColorFilter * OH_Drawing_ColorFilterCreateMatrix (const float matrix[20]) | Creates an OH_Drawing_ColorFilter object with a given 5x4 color matrix. |
| OH_Drawing_ColorFilter * OH_Drawing_ColorFilterCreateLinearToSrgbGamma (void) | Creates an OH_Drawing_ColorFilter object that applies the sRGB gamma curve to the RGB channels. |
| OH_Drawing_ColorFilter * OH_Drawing_ColorFilterCreateSrgbGammaToLinear (void) | Creates an OH_Drawing_ColorFilter object that applies the RGB channels to the sRGB gamma curve. |
| OH_Drawing_ColorFilter * OH_Drawing_ColorFilterCreateLuma (void) | Creates an OH_Drawing_ColorFilter object that multiplies the passed-in luma into the alpha channel and sets the RGB channels to zero. |
| void OH_Drawing_ColorFilterDestroy (OH_Drawing_ColorFilter *) | Destroys an OH_Drawing_ColorFilter object and reclaims the memory occupied by the object. |
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