iOS development--Generate barcodes, QR codes

-(void) Viewdidload {

[Super Viewdidload];

Self.imageView.image = [Self generatebarcode:@ "1524829417" width:60 height:60];

Self.imageView2.image = [Self generateqrcode:@ "1524829417" width:60 height:60];

}

-(UIImage *) Generateqrcode: (NSString *) code width: (cgfloat) Width height: (cgfloat) Height {

Generate Barcode Pictures

Ciimage *qrcodeimage;

NSData *data = [code datausingencoding:nsisolatin1stringencoding Allowlossyconversion:false];

Cifilter *filter = [Cifilter filterwithname:@ "Ciqrcodegenerator"];

[Filter Setvalue:data forkey:@ "InputMessage"];

[Filter setvalue:@ "H" forkey:@ "Inputcorrectionlevel"];

Qrcodeimage = [Filter outputimage];

Eliminate Blur

CGFloat ScaleX = width/qrcodeimage.extent.size.width; Extent returns the frame of the picture

CGFloat ScaleY = height/qrcodeimage.extent.size.height;

Ciimage *transformedimage = [Qrcodeimage Imagebyapplyingtransform:cgaffinetransformscale (CGAffineTransformIdentity , ScaleX, ScaleY)];

return [UIImage Imagewithciimage:transformedimage];

}

-(UIImage *) Generatebarcode: (NSString *) code width: (cgfloat) Width height: (cgfloat) Height {

Generate two-dimensional code images

Ciimage *barcodeimage;

NSData *data = [code datausingencoding:nsisolatin1stringencoding Allowlossyconversion:false];

Cifilter *filter = [Cifilter filterwithname:@ "Cicode128barcodegenerator"];

[Filter Setvalue:data forkey:@ "InputMessage"];

Barcodeimage = [Filter outputimage];

Eliminate Blur

CGFloat ScaleX = width/barcodeimage.extent.size.width; Extent returns the frame of the picture

CGFloat ScaleY = height/barcodeimage.extent.size.height;

Ciimage *transformedimage = [Barcodeimage Imagebyapplyingtransform:cgaffinetransformscale ( Cgaffinetransformidentity, ScaleX, ScaleY)];

return [UIImage Imagewithciimage:transformedimage];

}

iOS development--Generate barcodes, QR codes