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BARCODE READER SDK DEMO

Explore the flexibe barcode reading settings to optimize for your specific usage scenario.

WEB TWAIN SDK DEMO

Try the most popular web scanner features: scan images, import local images and PDF files, edit, save to local, upload to database, and etc.

BARCODE READER JAVASCRIPT DEMO

Transform any camera-equipped devices into real-time, browser-based barcode and QR code scanners.

MRZ SCANNER WEB DEMO

Detects the machine-readable zone of a passport, scans the text, and parses into human-readable data.

APP STORE DEMOS

BARCODE READER SDK FOR IOS

BARCODE READER SDK FOR ANDROID

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EnumGrayscaleTransformationMode

  • Android
  • Objective-C
  • Swift
public class EnumGrayscaleTransformationMode {
    public static final int GTM_INVERTED = 1;
    public static final int GTM_ORIGINAL = 2;
    public static final int GTM_SKIP = 0;
}
typedef NS_ENUM(NSInteger, EnumGrayscaleTransformationMode)
{
    /** Transforms to the inverted grayscale for further reference. This value is recommended for light on dark images. */
    EnumGrayscaleTransformationModeInverted = 0x01,
    /** Keeps the original grayscale for further reference. This value is recommended for dark on light images. */
    EnumGrayscaleTransformationModeOriginal = 0x02,
    /** Skips grayscale transformation. */
    EnumGrayscaleTransformationModeSkip = 0x00
};
public enum EnumGrayscaleTransformationMode : Int{
    /** Transforms to the inverted grayscale for further reference. This value is recommended for light on dark images. */
    inverted = 0x01
    /** Keeps the original grayscale for further reference. This value is recommended for dark on light images. */
    original = 0x02
    /** Skips grayscale transformation. */
    skip = 0x00
}

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