Add color compare api

firmware/targets/f7/api_symbols.csv

@@ -1734,6 +1734,7 @@ Function,+,hex_char_to_uint8,_Bool,"char, char, uint8_t*"
 Function,+,hex_chars_to_uint64,_Bool,"const char*, uint64_t*"
 Function,+,hex_chars_to_uint8,_Bool,"const char*, uint8_t*"
 Function,+,hsv2rgb,RgbColor,HsvColor
+Function,+,hsvcmp,int,"HsvColor*, HsvColor*"
 Function,-,hypot,double,"double, double"
 Function,-,hypotf,float,"float, float"
 Function,-,hypotl,long double,"long double, long double"
@@ -2571,6 +2572,7 @@ Function,+,rgb_backlight_set_rainbow_interval,void,uint32_t
 Function,+,rgb_backlight_set_rainbow_mode,void,RGBBacklightRainbowMode
 Function,+,rgb_backlight_set_rainbow_speed,void,uint8_t
 Function,-,rgb_backlight_update,void,"uint8_t, _Bool"
+Function,+,rgbcmp,int,"RgbColor*, RgbColor*"
 Function,-,rindex,char*,"const char*, int"
 Function,-,rint,double,double
 Function,-,rintf,float,float

lib/toolbox/colors.c

@@ -2,6 +2,14 @@
 
 #include "colors.h"
 
+inline int rgbcmp(RgbColor* a, RgbColor* b) {
+    return memcmp(a, b, sizeof(RgbColor));
+}
+
+inline int hsvcmp(HsvColor* a, HsvColor* b) {
+    return memcmp(a, b, sizeof(HsvColor));
+}
+
 RgbColor hsv2rgb(HsvColor hsv) {
     RgbColor rgb;
     uint8_t region, remainder, p, q, t;

lib/toolbox/colors.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <stdint.h>
+#include <string.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -18,6 +19,10 @@ typedef struct HsvColor {
     uint8_t v;
 } HsvColor;
 
+int rgbcmp(RgbColor* a, RgbColor* b);
+
+int hsvcmp(HsvColor* a, HsvColor* b);
+
 RgbColor hsv2rgb(HsvColor hsv);
 
 HsvColor rgb2hsv(RgbColor rgb);