实际读取图片的代码已经上传到我的资源里面; 下面贴出使用例子(代码不严谨,凑合看):
unsigned char* esLoadJPG(const char *fileName, int *width, int *height, int *size)
{
FILE *f = fopen(fileName, "rb");
fseek(f, 0, SEEK_END);
*size = ftell(f);
fseek(f, 0, SEEK_SET);
unsigned char *data = (unsigned char*)malloc(*size);
fread(data, 1, *size, f);
JpegDecoder dec(data, *size);
dec.init();
dec.decodeJpeg();
*width = dec.getW();
*height = dec.getH();
......
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