2.6.5.2 imgFlip

Menu Information

Flip

Brief Information

Flip the image horizontally or vertically

Command Line Usage

1. imgFlip d:=horizontal;

2. imgFlip d:=vertical img:=mat(1) oimg:=mat(2);

X-Function Execution Options

Please refer to the page for additional option switches when accessing the x-function from script

Variables

Display Name	Variable Name	I/O and Type	Default Value	Description
Direction	d	Input int	horizontal	Specifies whether to flip the image horizontally or vertically. Option list horizontal:Horizontal Flips the image horizontally. vertical:Vertical Flips the image vertically.
Input Matrix	img	Input Image	<active>	Specifies the image to be manipulated. The default input is the active image.
Output Image	oimg	Output Image	<input>	Specifies the output image. By default, the output image is the same as the input image. See the syntax here.

Description

This function flips a specified image either horizontally or vertically.

Examples

In this example, we use the imgFlip function to flip the input image horizontally:

1. Create a new matrix and import car.bmp under \Samples\Image Processing and Analysis folder into it.
2. When the input image is active, select Image: Geometric Transform: Flip: Horizontal Flip.

A new image is created. As you can see, the image have been flipped horizontally.

The original image	The output image

Algorithm

The computation uses L_FlipBitmap() and L_ReverseBitmap() function from LEADTOOLS Main API. Please refer to the LEADTOOLS Main API Help file, Version 14 and read the L_FlipBitmap and L_ReverseBitmap topics.

References

LEADTOOLS Main API Help file, Version 14

Related X-Functions

imgRotate