bool ImageAlphaLut::initWithFile(const std::string file)
{
// // 打开文件
// auto fp = fopen(FileUtils::getInstance()->fullPathForFilename(file).c_str(), "rb");
// // 获取文件大小
// fseek(fp, 0, SEEK_END);
// long fs = ftell(fp);
// rewind(fp);
auto data = FileUtils::getInstance()->getDataFromFile(file);
auto buff = data.getBytes();
data.fastSet(nullptr, 0);
// 分配文件头信息 BUFF
// unsigned char * buff = (unsigned char *)malloc(fs);
// 读取文件头信息
// size_t rs = fread(buff, sizeof(unsigned char), fs, fp);
// CCASSERT(rs == fs, "Read file info error");
// fclose(fp);
int * p = (int *)buff;
bool b = initWithBuff(++p);
CC_SAFE_FREE(buff);
return b;
}
unsigned char* Data::takeBuffer(ssize_t* size)
{
auto buffer = getBytes();
if (size)
*size = getSize();
fastSet(nullptr, 0);
return buffer;
}