#ifdef?_CH_
#pragma?package?
#endif

#ifndef?_EiC
#include?“cv.h“
#include?“highgui.h“
#include?
#include?
#endif

IplImage*?color_img0;
IplImage*?mask;
IplImage*?color_img;
IplImage*?gray_img0?=?NULL;
IplImage*?gray_img?=?NULL;
int?ffill_case?=?1;
int?lo_diff?=?20?up_diff?=?20;
int?connectivity?=?4;
int?is_color?=?1;
int?is_mask?=?0;
int?new_mask_val?=?255;

void?on_mouse（?int?event?int?x?int?y?int?flags?VOID*P）
{
??if（?!color_img?）
????return;

??switch（?event?）
??{
??case?CV_EVENT_LBUTTONDOWN:
????{
????????CvPoint?seed?=?cvPoint（xy）;
????????int?lo?=?ffill_case?==?0???0?:?lo_diff;
????????int?up?=?ffill_case?==?0???0?:?up_diff;
????????int?flags?=?connectivity?+?（new_mask_val?<????????????????（ffill_case?==?1???CV_FLOODFILL_FIXED_RANGE?:?0）;
????????int?b?=?rand（）?&?255?g?=?rand（）?&?255?r?=?rand（）?&?255;
????????CvConnectedComp?comp;

????????if（?is_mask?）
??????????cvThreshold（?mask?mask?1?128?CV_THRESH_BINARY?）;
????????
????????if（?is_color?）
????????{
??????????CvScalar?color?=?CV_RGB（?r?g?b?）;
??????????cvFloodFill（?color_img?seed?color?CV_RGB（?lo?lo?lo?）
??????????????????CV_RGB（?up?up?up?）?&comp?flags?is_mask???mask?:?NULL?）;
??????????cvShowImage（?“image“?color_img?）;
????????}
????????else
????????{
??????????CvScalar?brightness?=?cvRealScalar（（r*2?+?g*7?+?b?+?5）/10）;
??????????cvFloodFill（?gray_img?seed?brightness?cvRealScalar（lo）
??????????????????cvRealScalar（up）?&comp?flags?is_mask???mask?:?NULL?）;
??????????cvShowImage（?“image“?gray_img?）;
????????}

????????printf（“%g?pixels?were?repainted\n“?comp.area?）;

????????if（?is_mask?）
??????????cvShowImage（?“mask“?mask?）;
????}
????break;
??}
}

int?main（?int?argc?char**?argv?）
{
??char*?filename?=?argc?>=?2???argv[1]?:?（char*）“fruits.jpg“;

??if（?（color_img0?=?cvLoadImage（filename1））?==?0?）
????return?0;

??printf（?“Hot?keys:?\n“
????????“\tESC?-?quit?the?program\n“
????????“\tc?-?switch?color/grayscale?mode\n“
????????“\tm?-?switch?mask?mode\n“
????????“\tr?-?restore?the?original?image\n“
????????“\ts?-?use?null-range?floodfill\n“
????????“\tf?-?use?gradient?floodfill?with?fixed（absolute）?range\n“
????????“\tg?-?use?gradient?floodfill?with?floating（relative）?range\n“
????????“\t4?-?use?4-connectivity?mode\n“
????????“\t8?-?use?8-connectivity?mode\n“?）;
????
??color_img?=?cvCloneImage（?color_img0?）;
??gray_img