mirror of
https://github.com/Decscots/Lockpick_RCM
synced 2024-11-24 03:59:24 +00:00
116 lines
3.2 KiB
C
116 lines
3.2 KiB
C
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/**
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* @file lv_draw.h
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*
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*/
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#ifndef LV_DRAW_H
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#define LV_DRAW_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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#include "../lv_core/lv_style.h"
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#include "../lv_misc/lv_txt.h"
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/*********************
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* DEFINES
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*********************/
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/*If image pixels contains alpha we need to know how much byte is a pixel*/
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#if LV_COLOR_DEPTH == 1 || LV_COLOR_DEPTH == 8
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# define LV_IMG_PX_SIZE_ALPHA_BYTE 2
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#elif LV_COLOR_DEPTH == 16
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# define LV_IMG_PX_SIZE_ALPHA_BYTE 3
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#elif LV_COLOR_DEPTH == 32
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# define LV_IMG_PX_SIZE_ALPHA_BYTE 4
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#endif
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/**********************
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* TYPEDEFS
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**********************/
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enum {
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LV_IMG_SRC_VARIABLE,
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LV_IMG_SRC_FILE,
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LV_IMG_SRC_SYMBOL,
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LV_IMG_SRC_UNKNOWN,
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};
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typedef uint8_t lv_img_src_t;
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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#if LV_ANTIALIAS != 0
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/**
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* Get the opacity of a pixel based it's position in a line segment
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* @param seg segment length
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* @param px_id position of of a pixel which opacity should be get [0..seg-1]
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* @param base_opa the base opacity
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* @return the opacity of the given pixel
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*/
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lv_opa_t lv_draw_aa_get_opa(lv_coord_t seg, lv_coord_t px_id, lv_opa_t base_opa);
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/**
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* Add a vertical anti-aliasing segment (pixels with decreasing opacity)
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* @param x start point x coordinate
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* @param y start point y coordinate
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* @param length length of segment (negative value to start from 0 opacity)
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* @param mask draw only in this area
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* @param color color of pixels
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* @param opa maximum opacity
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*/
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void lv_draw_aa_ver_seg(lv_coord_t x, lv_coord_t y, lv_coord_t length, const lv_area_t * mask, lv_color_t color, lv_opa_t opa);
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/**
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* Add a horizontal anti-aliasing segment (pixels with decreasing opacity)
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* @param x start point x coordinate
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* @param y start point y coordinate
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* @param length length of segment (negative value to start from 0 opacity)
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* @param mask draw only in this area
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* @param color color of pixels
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* @param opa maximum opacity
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*/
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void lv_draw_aa_hor_seg(lv_coord_t x, lv_coord_t y, lv_coord_t length, const lv_area_t * mask, lv_color_t color, lv_opa_t opa);
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#endif
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/**********************
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* GLOBAL VARIABLES
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**********************/
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extern void (*const px_fp)(lv_coord_t x, lv_coord_t y, const lv_area_t * mask, lv_color_t color, lv_opa_t opa);
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extern void (*const fill_fp)(const lv_area_t * coords, const lv_area_t * mask, lv_color_t color, lv_opa_t opa);
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extern void (*const letter_fp)(const lv_point_t * pos_p, const lv_area_t * mask, const lv_font_t * font_p, uint32_t letter, lv_color_t color, lv_opa_t opa);
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extern void (*const map_fp)(const lv_area_t * cords_p, const lv_area_t * mask_p,
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const uint8_t * map_p, lv_opa_t opa, bool chroma_key, bool alpha_byte,
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lv_color_t recolor, lv_opa_t recolor_opa);
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/**********************
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* MACROS
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**********************/
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/**********************
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* POST INCLUDES
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*********************/
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#include "lv_draw_rect.h"
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#include "lv_draw_label.h"
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#include "lv_draw_img.h"
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#include "lv_draw_line.h"
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#include "lv_draw_triangle.h"
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /*LV_DRAW_H*/
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