如题,打开一个图片文件(jpg),然后存放到vector<unsigned char>中,要怎么做啊,请给出代码,谢谢!!!!下面是我自己写的,但是好像老是报错。。。
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//@函数功能:将图片文件转换成vector<unsigned char>
void
photo_to_uvchar(
const
char
* photo_path, vector<unsigned
char
>& uvchar)
{
fstream fs(
"D:\\新文档代码\\test_photo.jpg "
) ;
// 创建个文件流对象,并打开"test_photo.jpg"
stringstream ss ;
// 创建字符串流对象
ss << fs.rdbuf() ;
// 把文件流中的字符输入到字符串流中
std::string src = ss.str() ;
// 获取流中的字符串
uvchar.resize( src.size()+1 );
unsigned
char
* pDst = &uvchar[0];
unsigned
char
* pSrc =
reinterpret_cast
<unsigned
char
*>(
const_cast
<
char
*>(src.c_str()));
memcpy
( pDst, pSrc, src.size() );
}
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