kdk_edid_get_ratio3
获取图像高宽比
Usage
#include <libkyedid.h> extern char* kdk_edid_get_ratio(char *name); Link with -lkyedid.
Detailed Description
The main function of the interface is to obtain the image aspect ratio of the screen.
The argument name is the current interface of the screen.
Return value
On success, returns the image aspect ratio of type char*; The returned string needs to be released by free
On error, return NULL.
Examples
#include "libkyedid.h"
#include <stdio.h>
#include <stdlib.h>
int main()
{
char** name = kdk_edid_get_interface();
size_t count = 0;
while (name[count])
{
printf("当前接口 = %s0, name[count]);
float gamma = kdk_edid_get_gamma(name[count]);
printf("gamma = %0.2f0, gamma);
float size = kdk_edid_get_size(name[count]);
printf("size = %0.1f0, size);
char *max_resolution = kdk_edid_get_max_resolution(name[count]);
printf("max_resolution = %s0, max_resolution);
free(max_resolution);
char *model = kdk_edid_get_model(name[count]);
printf("model = %s0, model);
free(model);
char *area = kdk_edid_get_visible_area(name[count]);
printf("area = %s0, area);
free(area);
char *manufacturer = kdk_edid_get_manufacturer(name[count]);
printf("manufacturer = %s0, manufacturer);
free(manufacturer);
int week = kdk_edid_get_week(name[count]);
printf("week = %d0, week);
int year = kdk_edid_get_year(name[count]);
printf("year = %d0, year);
int primary = kdk_edid_get_primary(name[count]);
printf("%s0, primary == 1 ? "是" : "否");
char *resolution = kdk_edid_get_resolution(name[count]);
printf("resolution = %s0, resolution);
free(resolution);
char *ratio = kdk_edid_get_ratio(name[count]);
printf("ratio = %s0, ratio);
free(ratio);
char *character = kdk_edid_get_character(name[count]);
printf("character = %s0, character);
free(character);
printf("---------------------------------------0);
count ++;
}
kdk_edid_freeall(name);
return 0;
}