iPad UPC-A Generator generate, create barcode UPC-A images in iPad (iOS) application
Generate & Print UPC-A barcode images in iPad (iOS) Application
- Source code is provided to build with iOS SDK that best fits for your application.
- Quickly generate UPC-A barcodes in iPad applications
- Easily integrate the UPC-A creation features into iPad projects
- Entirely developed with Objective-C
- Compatible with Mac OS X 10.6 and greater
- Support Xcode 3.2 and higher
- Compatible with iOS 3.2 and the later versions
- Compatible with the UPC-A barcode symbology standard ISO/IEC 15420
- Source code for iOS UPC-A is provided with the purchase of Unlimited Developer License
Index
iPad UPC-A Generator Introduction
iPad UPC-A is a UPC-A barcode generator component developed for iPad apps developers who need add UPC-A creation features into their developmental projects for iPad.
- Generate UPC-A barcodes on iPad client apps, without communicating with a server
- UPC-A barcode generation support on desktops as well as servers
- iPad UPC-A Generator Guide provided with iPad UPC-A generation sample
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This Symbology is also known as Universal Product Code version A, UPC-A Supplement 5/Five-digit Add-On, UPC-A Supplement
2/Two-digit Add-On, UPC-A+5, UPC-A+2, UPC Code, UPC Symbol, GTIN-12, GS1-12, UCC-12
Valid Data Scope
iPad UPC-A supports:
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
How to generate barcode in Objective-C on your iPad applications?
- Create a barcode object
- Set barcode properties
- call drawWithView() method, to paint barcode on the canvas.
Sample Code:
- (void)drawRect:(CGRect)rect {
// Drawing code
OBLinear *pLinear = [OBLinear new];
[pLinear setNBarcodeType: OB_CODE128A];
[pLinear setPDataMsg: [[NSString alloc] initWithString: (@"AB")]];
//[pLinear setPSupData: [[NSString alloc] initWithString: (@"14562")]];
[pLinear setFX: USER_DEF_BAR_WIDTH];
[pLinear setFY: USER_DEF_BAR_HEIGHT];
[pLinear setFLeftMargin: (USER_DEF_LEFT_MARGIN)];
[pLinear setFRightMargin: (USER_DEF_RIGHT_MARGIN)];
[pLinear setFTopMargin: (USER_DEF_TOP_MARGIN)];
[pLinear setFBottomMargin: (USER_DEF_BOTTOM_MARGIN)];
[pLinear setNRotate: (OB_Rotate0)];
UIFont *pTextFont = [UIFont fontWithName: @"Arial" size: 8.0f];
[pLinear setPTextFont: pTextFont];
[pLinear drawWithView: (self)];
[pLinear release];
}
iPad UPC-A Generator - Barcode Properties
Category |
Class Properties |
Default |
Comments |
Basic |
nBarcodeType |
OB_UPCA (36) |
OBBarcodeType. Barcode type.
OB_UPCA = 36,
OB_UPCA_2 = 37,
OB_UPCA_5 = 38.
|
pDataMsg |
"" |
NSString. Barcode data value to encode. Valid barcode data size is 11 digits (without last checksum digits, our iPad barcode library will calculate for you). |
bAddCheckSum |
true |
BOOL. AddCheckSum property is not applied here. iPad Barcode will always add a check character in the last digit (modulo 10). |
|
UPC/EAN Related |
pSupData |
"" |
NSString. Set the sData property with the supplementary data to encode. |
fSupHeight |
0.8 |
float. This is a multiplicator of the height of the code; The default is 0.8 (80%). |
fSupSpace |
0 |
float. The separation between the barcode and the supplement |
|
Size Related |
uom |
0 |
Unit of meature for all size related setting in the library.
0: pixel; 1: cm; 2: inch.
|
fX |
1 |
width of barcode module (narrow bar), default is 1 pixel |
fY |
30 |
barcode module height, default is 30 pixel |
fBarcodeWidth |
0 |
generted barcode image width |
fBarcodeHeight |
0 |
generted barcode image height |
fLeftMargin |
0 |
image left margin |
fRightMargin |
0 |
image right margin |
fTopMargin |
0 |
image top margin |
fBottomMargin |
0 |
image bottom margin |
nResolution |
72 |
in DPI |
nRotate |
0 |
OBRotate. Valid values:
OB_Rotate0 = 0,
OB_Rotate90 = 1,
OB_Rotate180 = 2,
OB_Rotate270 = 3
|
|
Text & Color |
bShowText |
true |
If true, display barcode data text, otherwise do not display. |
bShowCheckSumChar |
true |
If true, display the check sum character in the end of data, if there is a check sum. |
pTextFont |
Arial, Plain, 11 |
NSFont - Barcode text font style |
fTextMargin |
6 |
Space between barcode and barcode data text, default is 6 pixel |
All iPad Barcode Supported Types
1D / Linear Barcodes
2D / Matrix Barcodes