Rectangular Viewfinder
Defined under the namespace Scandit.Datacapture.Core.Ui
- RectangularViewfinderStyle
Added in version 6.13.0
The style of the RectangularViewfinder.
- Square
Added in version 6.13.0
New style from version 6.8 onwards with square corners.
- Rounded
Added in version 6.13.0
New style from version 6.8 onwards with rounded corners.
- RectangularViewfinderLineStyle
Added in version 6.13.0
The style of the lines drawn as part of the RectangularViewfinder.
- Bold
Added in version 6.13.0
Draws lines with a width of 5 dips/points.
- Light
Added in version 6.13.0
Draws lines with a width of 3 dips/points.
- RectangularViewfinder
class RectangularViewfinder : Viewfinder
Added in version 6.13.0
Rectangular viewfinder with an embedded Scandit logo. The rectangle is always centered on the point of interest of the view.
The rectangular viewfinder is displayed when the recognition is active and hidden when it is not.
To use this viewfinder, create a new instance and assign it to the overlay, e.g. the barcode capture overlay via the BarcodeCaptureOverlay.setViewfinder() method.
- constructor(style, lineStyle)
constructor(style?: RectangularViewfinderStyle, lineStyle?: RectangularViewfinderLineStyle)
Added in version 6.13.0
Constructs a new rectangular viewfinder with the specified style and line style.
- constructor(style, lineStyle)
constructor(style?: RectangularViewfinderStyle, lineStyle?: RectangularViewfinderLineStyle)
Added in version 6.13.0
Constructs a new rectangular viewfinder with the specified style and RectangularViewfinderLineStyle.Light.
- constructor(style, lineStyle)
constructor(style?: RectangularViewfinderStyle, lineStyle?: RectangularViewfinderLineStyle)
Added in version 6.13.0
Constructs a new rectangular viewfinder with RectangularViewfinderStyle.Rounded and RectangularViewfinderLineStyle.Light.
- style
get style(): RectangularViewfinderStyle
Added in version 6.13.0
The style of the viewfinder.
- lineStyle
get lineStyle(): RectangularViewfinderLineStyle
Added in version 6.13.0
The style of the viewfinder’s lines.
- color
color: Color
Added in version 6.13.0
The color used to draw the logo and viewfinder when the mode is enabled. The color is always used at full opacity, changing the alpha value has no effect.
- dimming
dimming: number
Added in version 6.13.0
The amount the area outside the viewfinder’s rectangle is dimmed by. Accepts values between 0 (no dimming) and 1 (fully blacked out).
- animation
animation: RectangularViewfinderAnimation | null
Added in version 6.13.0
The animation used for the viewfinder, if any.
- sizeWithUnitAndAspect
get sizeWithUnitAndAspect(): SizeWithUnitAndAspect
Added in version 6.13.0
The size and sizing mode of the viewfinder.
- setSize(size)
setSize(size: SizeWithUnit):
voidAdded in version 6.13.0
Sets the horizontal and vertical size of the viewfinder to the provided value. When the unit is relative (unit in either x or y is MeasureUnit.Fraction) the size is computed relative to the view size minus the scan area margins.
- setWidthAndAspectRatio(width, heightToWidthAspectRatio)
setWidthAndAspectRatio(width: NumberWithUnit, heightToWidthAspectRatio: number):
voidAdded in version 6.13.0
Sets the width of the viewfinder and compute height automatically based on the provided height/width aspect ratio. When the unit is relative (MeasureUnit.Fraction), the width is computed relative to the view size minus the scan area margins.
- setHeightAndAspectRatio(height, widthToHeightAspectRatio)
setHeightAndAspectRatio(height: NumberWithUnit, widthToHeightAspectRatio: number):
voidAdded in version 6.13.0
Sets the height of the viewfinder and compute width automatically based on the provided width/height aspect ratio. When the unit is relative (MeasureUnit.Fraction), the height is computed relative to the view size minus the scan area margins.
- setShorterDimensionAndAspectRatio(fraction, aspectRatio)
setShorterDimensionAndAspectRatio(fraction: number, aspectRatio: number):
voidAdded in version 6.13.0
Sets the viewfinder size on the short side of the scan area as fraction of the scan area size. The size on the long side is calculated based on the provided short side/long side aspectRatio.