mirror of
https://github.com/CTCaer/hekate
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158 lines
3.9 KiB
C
158 lines
3.9 KiB
C
/**
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* @file lv_line.h
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*
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*/
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#ifndef LV_LINE_H
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#define LV_LINE_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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#ifdef LV_CONF_INCLUDE_SIMPLE
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#include "lv_conf.h"
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#else
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#include "../../lv_conf.h"
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#endif
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#if USE_LV_LINE != 0
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#include "../lv_core/lv_obj.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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/*Data of line*/
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typedef struct
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{
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/*Inherited from 'base_obj' so no inherited ext.*/ /*Ext. of ancestor*/
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const lv_point_t * point_array; /*Pointer to an array with the points of the line*/
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uint16_t point_num; /*Number of points in 'point_array' */
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uint8_t auto_size :1; /*1: set obj. width to x max and obj. height to y max */
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uint8_t y_inv :1; /*1: y == 0 will be on the bottom*/
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} lv_line_ext_t;
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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/**
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* Create a line objects
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* @param par pointer to an object, it will be the parent of the new line
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* @return pointer to the created line
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*/
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lv_obj_t * lv_line_create(lv_obj_t * par, const lv_obj_t * copy);
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/*=====================
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* Setter functions
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*====================*/
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/**
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* Set an array of points. The line object will connect these points.
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* @param line pointer to a line object
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* @param point_a an array of points. Only the address is saved,
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* so the array can NOT be a local variable which will be destroyed
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* @param point_num number of points in 'point_a'
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*/
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void lv_line_set_points(lv_obj_t * line, const lv_point_t * point_a, uint16_t point_num);
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/**
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* Enable (or disable) the auto-size option. The size of the object will fit to its points.
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* (set width to x max and height to y max)
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* @param line pointer to a line object
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* @param en true: auto size is enabled, false: auto size is disabled
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*/
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void lv_line_set_auto_size(lv_obj_t * line, bool en);
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/**
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* Enable (or disable) the y coordinate inversion.
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* If enabled then y will be subtracted from the height of the object,
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* therefore the y=0 coordinate will be on the bottom.
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* @param line pointer to a line object
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* @param en true: enable the y inversion, false:disable the y inversion
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*/
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void lv_line_set_y_invert(lv_obj_t * line, bool en);
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#define lv_line_set_y_inv lv_line_set_y_invert /*The name was inconsistent. In v.6.0 only `lv_line_set_y_invert`will work */
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/**
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* Set the style of a line
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* @param line pointer to a line object
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* @param style pointer to a style
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*/
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static inline void lv_line_set_style(lv_obj_t *line, lv_style_t *style)
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{
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lv_obj_set_style(line, style);
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}
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/**
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* Obsolete since v5.1. Just for compatibility with v5.0. Will be removed in v6.0
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* @param line -
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* @param upscale -
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*/
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static inline void lv_line_set_upscale(lv_obj_t * line, bool upcale)
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{
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(void) line;
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(void) upcale;
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}
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/*=====================
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* Getter functions
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*====================*/
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/**
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* Get the auto size attribute
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* @param line pointer to a line object
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* @return true: auto size is enabled, false: disabled
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*/
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bool lv_line_get_auto_size(const lv_obj_t * line);
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/**
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* Get the y inversion attribute
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* @param line pointer to a line object
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* @return true: y inversion is enabled, false: disabled
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*/
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bool lv_line_get_y_invert(const lv_obj_t * line);
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/**
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* Get the style of an line object
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* @param line pointer to an line object
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* @return pointer to the line's style
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*/
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static inline lv_style_t* lv_line_get_style(const lv_obj_t *line)
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{
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return lv_obj_get_style(line);
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}
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/**
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* Obsolete since v5.1. Just for compatibility with v5.0. Will be removed in v6.0
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* @param line -
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* @return false
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*/
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static inline bool lv_line_get_upscale(const lv_obj_t * line)
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{
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(void) line;
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return false;
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}
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/**********************
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* MACROS
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**********************/
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#endif /*USE_LV_LINE*/
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /*LV_LINE_H*/
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