favorite的立绘合成工具

测试解包软件为：garbro 其他软件可能会出现兼容问题
fav-bs.7z
源代码：

#include<bits/stdc++.h>
#include <io.h>
#include <windows.h>
#include <direct.h> 
#include <opencv2/opencv.hpp>

#define image1 img1
#define image2 img2
#define mmax 100000

using namespace cv;
using namespace std;

void getFileNames(string path, vector<string>& files);
void imgset(string path1, string path2);
void overlayImages(const cv::Mat& background, const cv::Mat& foreground, cv::Mat& output, int x, int y) {
	output = background.clone();
	cv::Rect roi(x, y, foreground.cols, foreground.rows);
	roi &= cv::Rect(0, 0, background.cols, background.rows);
	cv::Mat roi_output = output(roi);
	cv::Mat roi_foreground = foreground(cv::Rect(0, 0, roi.width, roi.height));
	for (int i = 0; i < roi.height; ++i) {
		for (int j = 0; j < roi.width; ++j) {
			cv::Vec4b pixel_foreground = roi_foreground.at<cv::Vec4b>(i, j);
			cv::Vec4b& pixel_output = roi_output.at<cv::Vec4b>(i, j);

			double alpha = pixel_foreground[3] / 255.0;
			double beta = 1.0 - alpha;

			for (int k = 0; k < 3; ++k) {
				pixel_output[k] = static_cast<uchar>(alpha * pixel_foreground[k] + beta * pixel_output[k]);
			}
		}
	}
}

int main(){
	system("md output");
	system("md input");
	system("cls");
	printf("1.将立绘底部扔在程序目录下重命名为base.png\n2.将立绘面部扔在程序下input文件夹\n3.然后立绘将生成在output文件夹\n注意事项：请确保文件夹下没有其他类型的文件，并且所有文件为png文件\n");
	system("pause");
	system("cls");
	char cwd[256];
	_getcwd(cwd, 256);
	//cout << cwd << endl;
	string pp = cwd, pp1[mmax],pp2=pp+"\\base.png";
	int pn = 0;
	vector<string> fileNames;
	string path(pp+"\\input");
	getFileNames(path, fileNames);
	for (const auto &ph : fileNames) {
		pp1[pn] = ph;
		pn++;
	}
	for (int i = 0; i < pn; i++)
		imgset(pp1[i], pp2);
	system("cls");
	printf("完成！\n");
	system("pause");
	return 0;
} 

void getFileNames(string path, vector<string>& files){
	intptr_t hFile = 0;
	struct _finddata_t fileinfo;
	string p;
	if ((hFile = _findfirst(p.assign(path).append("\\*").c_str(), &fileinfo)) != -1){
		do{
			if ((fileinfo.attrib & _A_SUBDIR)){
				if (strcmp(fileinfo.name, ".") != 0 && strcmp(fileinfo.name, "..") != 0)
					getFileNames(p.assign(path).append("\\").append(fileinfo.name), files);
			}
			else{
				files.push_back(p.assign(path).append("\\").append(fileinfo.name));
			}
		} while (_findnext(hFile, &fileinfo) == 0);
		_findclose(hFile);
	}
}

void imgset(string path1, string path2){
	ifstream pic;
	pic.open(path1,ios::binary);
	for(int i=0;i<43;i++) pic.get();
	int x=pic.get()*16*16+pic.get();
	for(int i=0;i<2;i++) pic.get();
	int y=pic.get()*16*16+pic.get();
	Mat img1 = cv::imread(path2, cv::IMREAD_UNCHANGED);
	Mat img2 = cv::imread(path1, cv::IMREAD_UNCHANGED);
	Mat mergedImg;
	overlayImages(img1,img2,mergedImg,x,y);
	int plen1 = path1.size(), plen2 = path2.size(), p1=0, p2=0;
	for (; path1[plen1 - p1] != '\\'; p1++);
	for (; path2[plen2 - p2] != '\\'; p2++);
	//cout << p1 << ' ' << p2 << endl;
	string sp1="", sp2="";
	for (int i = 1; i < p1 - 4; i++) sp1 += path1[plen1 - p1 + i];
	for (int i = 1; i < p2 - 4; i++) sp2 += path2[plen2 - p2 + i];
	//cout << sp1 << ' ' << sp2;
	imwrite(sp1 + '_' + sp2 + ".png", mergedImg);
	string temp = "move " + sp1 + '_' + sp2 + ".png" + " output";
	system(temp.c_str());
}