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函数结构：UF_DISP_load_color_table函数说明：下载颜色表到图形展示，让所有几何显示在图形窗口现在将使用的当前内容色表对象（的显示部分）;这相当于从互动调色板对话框中选择应用NX。必须有调用此函数之前装载的一部分。 UF_DISP_load_color_table函数实例代码演示：
下面的示例减小了每种颜色的饱和度10％的色表。背景颜色变为蓝色。
[quote]
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <uf.h>
#include <uf_disp.h>
#define UF_CALL(X) (report( __FILE__, __LINE__, #X, (X)))
static int report( char *file, int line, char *call, int irc)
{
if (irc)
{
char messg[133];
printf("%s, line %d: %s\n", file, line, call);
(UF_get_fail_message(irc, messg)) ?
printf(" returned a %d\n", irc) :
printf(" returned error %d: %s\n", irc, messg);
}
return(irc);
}
static void do_ugopen_api(void)
{
int count, clr_num, name_len;
char *clr_name;
char *new_name;
double clr_values[3];
UF_CALL(UF_DISP_ask_color_count( &count ));
for (clr_num = 1; clr_num < count; clr_num++ )
{
/* Request "hsv" color values */
UF_CALL(UF_DISP_ask_color( clr_num,
UF_DISP_hsv_model,
&clr_name,
clr_values ));
/* Reduce the saturation by 10% */
clr_values[1] *= 0.9;
/* Append "_dil" (i.e. diluted) to the color name */
name_len = strlen( clr_name );
new_name = malloc( name_len+5 );
strcpy( new_name, clr_name );
if (name_len < (UF_DISP_MAX_NAME_SIZE-4))
{
strcat( new_name, "_dil" );
}
UF_CALL(UF_DISP_set_color( clr_num,
UF_DISP_hsv_model,
new_name,
clr_values ));
free( new_name );
UF_free( clr_name );
}
/* Set background color to blue using "rgb" model. */
/* Color name is ignored for background. */
clr_values[0] = 0.0; /* red */
clr_values[1] = 0.0; /* green */
clr_values[2] = 1.0; /* blue */
UF_CALL(UF_DISP_set_color( UF_DISP_BACKGROUND_COLOR,
UF_DISP_rgb_model,
NULL,
clr_values ));
UF_CALL(UF_DISP_load_color_table());
/* Determine the closest color to blue. Note that */
/* the background color is not considered. */
clr_values[0] = 240.0;
clr_values[1] = 0.0;
clr_values[2] = 0.0;
UF_CALL(UF_DISP_ask_closest_color(
UF_DISP_hsv_model,
clr_values,
UF_DISP_CCM_EUCLIDEAN_DISTANCE,
&clr_num ));
printf( "The closest color to blue is #: %d", clr_num );
}
/*ARGSUSED*/
void ufusr(char *param, int *retcode, int paramLen)
{
if (!UF_CALL(UF_initialize()))
{
do_ugopen_api();
UF_CALL(UF_terminate());
}
}
int ufusr_ask_unload(void)
{
return (UF_UNLOAD_IMMEDIATELY);
}
[/quote]
