2.6.5.2 imgFlip

Contents

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

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 .

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