// 读取jpg图像像素rgb值.cpp : 定义控制台应用程序的入口点。

//

#include "stdafx.h"

#include <iostream>

#include <fstream>

#include <string>

#include <windows.h>

#include <gdiplus.h>

#pragma comment(lib, "gdiplus.lib")

using namespace std;

using namespace Gdiplus;

int main()

{

	GdiplusStartupInput gdiplusstartupinput;

	ULONG_PTR gdiplustoken;

	GdiplusStartup(&gdiplustoken, &gdiplusstartupinput, NULL);

	wstring infilename(L"1.jpg");

	string outfilename("color.txt");

	//读图片

	Bitmap* bmp = new Bitmap(infilename.c_str());

	UINT height = bmp->GetHeight();

	UINT width = bmp->GetWidth();

	cout << "width " << width << ", height " << height << endl;

	Color color;

	ofstream fout(outfilename.c_str());

	for (int y = 0; y < height; y++)

		for (int x = 0; x < width; x++)

		{

			bmp->GetPixel(x, y, &color);

			fout << x << ";" << y << ";"

				<< (int)color.GetRed() << ";"

				<< (int)color.GetGreen() << ";"

				<< (int)color.GetBlue() << endl;

		}

		fout.close();

		delete bmp;

		GdiplusShutdown(gdiplustoken);

		return 0;

}

txt：