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Gabor Kiss-Vamosi
e54d668633
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83 lines
1.7 KiB
C
83 lines
1.7 KiB
C
/**
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* @file lv_draw_blur.h
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*
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*/
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#ifndef LV_DRAW_BLUR_H
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#define LV_DRAW_BLUR_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*********************
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* INCLUDES
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*********************/
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#include "../lv_conf_internal.h"
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#include "../misc/lv_color.h"
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#include "../misc/lv_area.h"
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#include "../misc/lv_style.h"
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/*********************
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* DEFINES
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*********************/
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/**********************
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* TYPEDEFS
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**********************/
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typedef struct {
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lv_draw_dsc_base_t base;
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/**
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* The intensity of blur.
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*/
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int32_t blur_radius;
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/**
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* The corner radius of the blurred area
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*/
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int32_t corner_radius;
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/**
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* Sets whether to prefer speed or precision
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*/
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lv_blur_quality_t quality;
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} lv_draw_blur_dsc_t;
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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/**
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* Initialize a blur draw descriptor
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* @param dsc pointer to a draw descriptor
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*/
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void lv_draw_blur_dsc_init(lv_draw_blur_dsc_t * dsc);
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/**
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* Try to get a blur draw descriptor from a draw task.
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* @param task draw task
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* @return the task's draw descriptor or NULL if the task is not of type LV_DRAW_TASK_TYPE_BLUR
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*/
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lv_draw_blur_dsc_t * lv_draw_task_get_blur_dsc(lv_draw_task_t * task);
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/**
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* Create a blur draw task
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* @param layer pointer to a layer
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* @param dsc pointer to an initialized `lv_draw_blur_dsc_t` variable
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* @param coords coordinates of the character
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*/
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void lv_draw_blur(lv_layer_t * layer, const lv_draw_blur_dsc_t * dsc, const lv_area_t * coords);
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/**********************
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* MACROS
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**********************/
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#ifdef __cplusplus
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} /*extern "C"*/
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#endif
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#endif /*LV_DRAW_BLUR_H*/
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