iPad Code 39 Generator generate, create barcode Code 39 images in iPad (iOS) application
Generate & Print Code 39 barcode images in iPad (iOS) Application
- Source code is provided to build with iOS SDK that best fits for your application.
- Quickly generate Code 39 barcodes in iPad applications
- Easily integrate the Code 39 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
- Support with iOS 3.2 and the later versions
- Compatible with the Code 39 barcode symbology standard ISO/IEC 16388
- Source code for iOS Code 39 is provided with the purchase of Unlimited Developer License
Index
iPad Code 39 Generator Introduction
iPad Code 39 is a Code 39 barcode generator component developed for iPad apps developers who need add Code 39 creation features into their developmental projects for iPad.
- Generate Code 39 barcodes on iPad client apps, without communicating with a server
- Code 39 barcode generation support on desktops as well as servers
- iPad Code 39 Generator Guide provided with iPad Code 39 generation sample
Code 39 (also known as "USS Code 39", "Code 3/9", "Code 3 of 9", "USD-3", "Alpha39", "Type 39") is a barcode symbology that can encode uppercase letters (A through Z), digits (0 through 9) and a handful of special characters like the $ sign.
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Code 39 is restricted to 44 characters. In Full ASCII Code 39 Symbols 0-9, A-Z, "." ,and "-" are the same as their representations in Code 39. Lower case letters, additional punctuation characters and control characters are represented by sequences of two characters of Code 39.
Valid Data Scope
iPad Barcode Code 39 supports:
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
- Uppercase letters (A - Z)
- - (Dash), $ (Dollar), % (Percentage), (Space), . (Point), / (Slash), + (Plus)
iPad Barcode Code 39 Extension supports:
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 Code-39 Generator - Barcode Properties
Category |
Class Properties |
Default |
Comments |
Basic |
nBarcodeType |
OB_CODE39 (4) |
OBBarcodeType. Barcode type. |
pDataMsg |
"" |
NSString. Barcode data value to encode |
bAddCheckSum |
true |
BOOL. AddCheckSum property is optional. Modulo 43 will be applied, if addCheckSum property is true. |
|
Code 39 Special |
extension |
false |
If you want to encode any 128 ASCII characters, extension must be true. |
fI |
1.0 |
The space between 2 characters in code 39; This a multiple of X; The default is 1.; |
fN |
2.0 |
Wide/narrow ratio, 2.0 - 3.0 inclusive, default is 2. |
bShowStartStopInText |
true |
If true, display a * in the beginning and end of barcode text |
|
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