Picklock_RCM/bdk/libs/lvgl/lv_objx/lv_img.h

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2020-06-26 22:17:06 +02:00
/**
* @file lv_img.h
*
*/
#ifndef LV_IMG_H
#define LV_IMG_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#ifdef LV_CONF_INCLUDE_SIMPLE
#include "lv_conf.h"
#else
#include "../../lv_conf.h"
#endif
#if USE_LV_IMG != 0
#include "../lv_core/lv_obj.h"
#include "../lv_misc/lv_fs.h"
#include "../lv_misc/lv_symbol_def.h"
#include "lv_label.h"
#include "../lv_draw/lv_draw.h"
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/*Data of image*/
typedef struct
{
/*No inherited ext. because inherited from the base object*/ /*Ext. of ancestor*/
/*New data for this type */
const void * src; /*Image source: Pointer to an array or a file or a symbol*/
lv_coord_t w; /*Width of the image (Handled by the library)*/
lv_coord_t h; /*Height of the image (Handled by the library)*/
#if USE_LV_MULTI_LANG
uint16_t lang_txt_id; /*The ID of the image to display. */
#endif
uint8_t src_type :2; /*See: lv_img_src_t*/
uint8_t auto_size :1; /*1: automatically set the object size to the image size*/
uint8_t cf :5; /*Color format from `lv_img_color_format_t`*/
} lv_img_ext_t;
/**********************
* GLOBAL PROTOTYPES
**********************/
/**
* Create an image objects
* @param par pointer to an object, it will be the parent of the new button
* @param copy pointer to a image object, if not NULL then the new object will be copied from it
* @return pointer to the created image
*/
lv_obj_t * lv_img_create(lv_obj_t * par, const lv_obj_t * copy);
/*=====================
* Setter functions
*====================*/
/**
* Set the pixel map to display by the image
* @param img pointer to an image object
* @param data the image data
*/
void lv_img_set_src(lv_obj_t * img, const void * src_img);
#if USE_LV_MULTI_LANG
/**
* Set an ID which means a the same source but on different languages
* @param img pointer to an image object
* @param src_id ID of the source
*/
void lv_img_set_src_id(lv_obj_t * img, uint32_t txt_id);
#endif
/**
* Obsolete since v5.1. Just for compatibility with v5.0. Will be removed in v6.0.
* Use 'lv_img_set_src()' instead.
* @param img -
* @param fn -
*/
static inline void lv_img_set_file(lv_obj_t * img, const char * fn)
{
(void) img;
(void) fn;
}
/**
* Enable the auto size feature.
* If enabled the object size will be same as the picture size.
* @param img pointer to an image
* @param en true: auto size enable, false: auto size disable
*/
void lv_img_set_auto_size(lv_obj_t * img, bool autosize_en);
/**
* Set the style of an image
* @param img pointer to an image object
* @param style pointer to a style
*/
static inline void lv_img_set_style(lv_obj_t *img, lv_style_t *style)
{
lv_obj_set_style(img, style);
}
/**
* Obsolete since v5.1. Just for compatibility with v5.0. Will be removed in v6.0
* @param img -
* @param upscale -
*/
static inline void lv_img_set_upscale(lv_obj_t * img, bool upcale)
{
(void) img;
(void) upcale;
}
/*=====================
* Getter functions
*====================*/
/**
* Get the source of the image
* @param img pointer to an image object
* @return the image source (symbol, file name or C array)
*/
const void * lv_img_get_src(lv_obj_t * img);
/**
* Get the name of the file set for an image
* @param img pointer to an image
* @return file name
*/
const char * lv_img_get_file_name(const lv_obj_t * img);
#if USE_LV_MULTI_LANG
/**
* Get the source ID of the image. (Used by the multi-language feature)
* @param img pointer to an image
* @return ID of the source
*/
uint16_t lv_img_get_src_id(lv_obj_t * img);
#endif
/**
* Get the auto size enable attribute
* @param img pointer to an image
* @return true: auto size is enabled, false: auto size is disabled
*/
bool lv_img_get_auto_size(const lv_obj_t * img);
/**
* Get the style of an image object
* @param img pointer to an image object
* @return pointer to the image's style
*/
static inline lv_style_t* lv_img_get_style(const lv_obj_t *img)
{
return lv_obj_get_style(img);
}
/**
* Obsolete since v5.1. Just for compatibility with v5.0. Will be removed in v6.0
* @param img -
* @return false
*/
static inline bool lv_img_get_upscale(const lv_obj_t * img)
{
(void)img;
return false;
}
/**********************
* MACROS
**********************/
/*Use this macro to declare an image in a c file*/
#define LV_IMG_DECLARE(var_name) extern const lv_img_dsc_t var_name;
#endif /*USE_LV_IMG*/
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /*LV_IMG_H*/