存在部分二维码,摄像头扫描可以识别,但是从相册获取不能识别

kingsic / SGQRCode

The easy to use bar code and QR code scan library for iOS【支持二维码生成、读取图片中二维码、条形码和二维码扫描】

Apache License 2.0

1.68k stars 368 forks source link

Open JMZone opened 5 years ago

JMZone commented 5 years ago

存在部分二维码,摄像头扫描可以识别,但是从相册获取不能识别

lishuailibertine commented 5 years ago

嗯,也遇到了

wanyijun commented 5 years ago

现在这个问题还有吗?

JMZone commented 5 years ago

现在这个问题还有吗?

如果没更新过就会有的.我之前是再加上XZbar去识别,配合使用

qq432591 commented 5 years ago

同样存在这个问题

popo193 commented 5 years ago

还是存在啊有没有人解决了的？

kingsic commented 3 years ago

PengJiang520 commented 2 years ago

(UIImage )redrawAlbumImage:(UIImage )image { UIImage bigImage = image; float actualHeight = bigImage.size.height; float actualWidth = bigImage.size.width; float newWidth =0; float newHeight =0; if(actualWidth > actualHeight) { //宽图 newHeight =256.0f; newWidth = actualWidth / actualHeight newHeight; } else{ //长图 newWidth =256.0f; newHeight = actualHeight / actualWidth * newWidth; } CGRect rect = CGRectMake(0.0,0.0, newWidth, newHeight); UIGraphicsBeginImageContext(rect.size); [bigImage drawInRect:rect];// scales image to rect image =UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); //RETURN return image; }

压缩图片也是识别不出来二维码

PengJiang520 commented 2 years ago

PengJiang520 commented 2 years ago

features永远为0

wsrGitHub commented 3 months ago

我是遇到彩色的二维码无法识别出来，然后我先把彩色图片转灰度了，可以理解变成黑白二维码图片了，然后就可以识别到了。