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https://vps.suchmeme.nl/git/mudkip/Lockpick_RCM.git
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81 lines
1.7 KiB
C
81 lines
1.7 KiB
C
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/**
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* @file lv_circ.h
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*
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*/
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#ifndef LV_CIRC_H
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#define LV_CIRC_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 <stddef.h>
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#include "lv_area.h"
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#include <utils/types.h>
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/*********************
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* DEFINES
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*********************/
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#define LV_CIRC_OCT1_X(p) (p.x)
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#define LV_CIRC_OCT1_Y(p) (p.y)
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#define LV_CIRC_OCT2_X(p) (p.y)
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#define LV_CIRC_OCT2_Y(p) (p.x)
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#define LV_CIRC_OCT3_X(p) (-p.y)
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#define LV_CIRC_OCT3_Y(p) (p.x)
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#define LV_CIRC_OCT4_X(p) (-p.x)
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#define LV_CIRC_OCT4_Y(p) (p.y)
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#define LV_CIRC_OCT5_X(p) (-p.x)
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#define LV_CIRC_OCT5_Y(p) (-p.y)
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#define LV_CIRC_OCT6_X(p) (-p.y)
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#define LV_CIRC_OCT6_Y(p) (-p.x)
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#define LV_CIRC_OCT7_X(p) (p.y)
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#define LV_CIRC_OCT7_Y(p) (-p.x)
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#define LV_CIRC_OCT8_X(p) (p.x)
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#define LV_CIRC_OCT8_Y(p) (-p.y)
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/**********************
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* TYPEDEFS
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**********************/
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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/**
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* Initialize the circle drawing
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* @param c pointer to a point. The coordinates will be calculated here
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* @param tmp point to a variable. It will store temporary data
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* @param radius radius of the circle
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*/
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void lv_circ_init(lv_point_t * c, lv_coord_t * tmp, lv_coord_t radius);
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/**
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* Test the circle drawing is ready or not
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* @param c same as in circ_init
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* @return true if the circle is not ready yet
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*/
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bool lv_circ_cont(lv_point_t * c);
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/**
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* Get the next point from the circle
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* @param c same as in circ_init. The next point stored here.
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* @param tmp same as in circ_init.
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*/
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void lv_circ_next(lv_point_t * c, lv_coord_t * tmp);
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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
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