C++ 获取图片的大小

最新推荐文章于 2024-09-20 20:44:33 发布

Matinal_Shine

最新推荐文章于 2024-09-20 20:44:33 发布

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分类专栏： c++ 文章标签： c++

本文链接：https://blog.youkuaiyun.com/qq_30749883/article/details/53199130

版权

#pragma once
#include <stdio.h>
#include <tchar.h>
#include <SDKDDKVer.h>

#define MAKEUS(a, b)    ((unsigned short) ( ((unsigned short)(a))<<8 | ((unsigned short)(b)) ))
#define MAKEUI(a,b,c,d) ((unsigned int) ( ((unsigned int)(a)) << 24 | ((unsigned int)(b)) << 16 | ((unsigned int)(c)) << 8 | ((unsigned int)(d)) ))

#define M_DATA  0x00
#define M_SOF0  0xc0
#define M_DHT   0xc4
#define M_SOI   0xd8
#define M_EOI   0xd9
#define M_SOS   0xda
#define M_DQT   0xdb
#define M_DNL   0xdc
#define M_DRI   0xdd
#define M_APP0  0xe0
#define M_APPF  0xef
#define M_COM   0xfe

#include <stdlib.h>
#include <string.h>

int GetPNGWidthHeight(const char* path, unsigned int* punWidth, unsigned int* punHeight)
{
    int Finished = 0;
    unsigned char uc[4];
    FILE *pfRead;

    *punWidth = 0;
    *punHeight = 0;

    if (fopen_s(&pfRead, path, "rb") != 0)
    {
        printf("[GetPNGWidthHeight]:can't open file:%s\n", path);
        return -1;
    }

    for (int i = 0; i < 4

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