如何将数据转换为图像？
我学习CFNetwork，socket，我快完成了。但是，我想使用 UIImageView，这样 从 URL 接收数据，然后转换为 UIImage ，然后添加 UIImageView
但我认为它在将数据转换为图像方面存在问题，
我在下面的代码中使用...
void CFSockCallBack(CFSocketRef s, CFSocketCallBackType callbackType, CFDataRef address, const void *data, void *info){
if (callbackType == kCFSocketDataCallBack) {
UInt8 *d = (UInt8 *)CFDataGetBytePtr((CFDataRef)data);
int len = CFDataGetLength((CFDataRef) data);
NSData *nsdata = [NSData dataWithBytes:d length:len];
imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0.0, 0.0, 320.0, 460.0)];
UIImage *receiveImage = [UIImage imageWithData:nsdata];
imageView 是实例 decared static 。
你明白我的编码吗？那么TT 请帮助我！
i learning CFNetwork , socket, i almost completed. But, I want to use UIImageView, so that
receive data from URL, then transform to UIImage , then add UIImageView
but i think that it has a problem about transform data to image
i use below code...
void CFSockCallBack(CFSocketRef s, CFSocketCallBackType callbackType, CFDataRef address, const void *data, void *info){
if (callbackType == kCFSocketDataCallBack) {
UInt8 *d = (UInt8 *)CFDataGetBytePtr((CFDataRef)data);
int len = CFDataGetLength((CFDataRef) data);
NSData *nsdata = [NSData dataWithBytes:d length:len];
imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0.0, 0.0, 320.0, 460.0)];
UIImage *receiveImage = [UIImage imageWithData:nsdata];
imageView is instance delcared static .
do you understand my coding? T.T then
Plz help me!!!
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您是否将 imageView 的 image 属性设置为 receiveImage ？或者这只是意外地被排除在代码片段之外？您是否还收到某种错误消息或只有空白的 UIImageView 空间？
Are you setting the imageView's image property to the receiveImage? Or that was only accidentally left out of the code snippet? Also are you getting some sort of error message or only a blank UIImageView space?