KDK_EDID_GET_GAMMA(3)

NAME
kdk_edid_get_gamma - 获取显示器的伽马值

SYNOPSIS
#include <libkyedid.h>

extern float kdk_edid_get_gamma(char *name);

Link with -lkyedid.

Detailed Description
The main function of the interface is to obtain the gamma value of the screen.

The argument name is the current interface of the screen.

RETURN VALUE
On success, returns the screen gamma value of type float.

On error, return 0.00.

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 = %s, name[count]);
            float gamma = kdk_edid_get_gamma(name[count]);
            printf("gamma = %0.2f, gamma);
            float size = kdk_edid_get_size(name[count]);
            printf("size = %0.1f, size);
            char *max_resolution = kdk_edid_get_max_resolution(name[count]);
            printf("max_resolution = %s, max_resolution);
            free(max_resolution);
            char *model = kdk_edid_get_model(name[count]);
            printf("model = %s, model);
            free(model);
            char *area = kdk_edid_get_visible_area(name[count]);
            printf("area = %s, area);
            free(area);
            char *manufacturer = kdk_edid_get_manufacturer(name[count]);
            printf("manufacturer = %s, manufacturer);
            free(manufacturer);
            int week = kdk_edid_get_week(name[count]);
            printf("week = %d, week);
            int year = kdk_edid_get_year(name[count]);
            printf("year = %d, year);
            int primary = kdk_edid_get_primary(name[count]);
            printf("%s, primary == 1 ? "是" : "否");
            char *resolution = kdk_edid_get_resolution(name[count]);
            printf("resolution = %s, resolution);
            free(resolution);
            char *ratio = kdk_edid_get_ratio(name[count]);
            printf("ratio = %s, ratio);
            free(ratio);
            char *character = kdk_edid_get_character(name[count]);
            printf("character = %s, character);
            free(character);
            printf("---------------------------------------);
            count ++;
        }
        kdk_edid_freeall(name);
        return 0;
    }

CONFORMING TO
These functions are as per the withdrawn POSIX.1e draft specification. The following functions are Linux extensions: kdk_edid_get_interface(), kdk_edid_get_size(), kdk_edid_get_max_resolution(), kdk_edid_get_model(), kdk_edid_get_visible_area(), kdk_edid_get_manufacturer(), kdk_edid_get_week(), kdk_edid_get_year(), kdk_edid_get_primary(), kdk_edid_get_resolution(), kdk_edid_get_ratio(), kdk_edid_get_character() and kdk_edid_freeall().

SEE ALSO
kdk_edid_get_interface(3), kdk_edid_get_size(3), kdk_edid_get_max_resolution(3), kdk_edid_get_model(3), kdk_edid_get_visible_area(3), kdk_edid_get_manufacturer(3), kdk_edid_get_week(3), kdk_edid_get_year(3), kdk_edid_get_primary(3), kdk_edid_get_resolution(3), kdk_edid_get_ratio(3), kdk_edid_get_character(3) and kdk_edid_freeall(3).