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- Qt 6.5
- Qt Quick
- QML Types
- BorderImageMesh
- Qt 6.5.2 Reference Documentation

# BorderImageMesh QML Type

Defines a mesh with vertices arranged like those of a BorderImage. More...

Import Statement: | import QtQuick

- List of all members, including inherited members

## Properties

- border
  - border.bottom : int
  - border.left : int
  - border.right : int
  - border.top : int
- horizontalTileMode : enumeration
- size : size
- verticalTileMode : enumeration

## Detailed Description

BorderImageMesh provides BorderImage-like capabilities to a ShaderEffect without the need for a potentially costly ShaderEffectSource.

The following are functionally equivalent:

     BorderImage {
         id: borderImage
         border {
             left: 10
             right: 10
             top: 10
             bottom: 10
         }
         source: "myImage.png"
         visible: false
     }
     ShaderEffectSource {
         id: effectSource
         sourceItem: borderImage
         visible: false
     }
     ShaderEffect {
         property var source: effectSource
         ...
     }

     Image {
         id: image
         source: "myImage.png"
         visible: false
     }
     ShaderEffect {
         property var source: image
         mesh: BorderImageMesh {
             border {
                 left: 10
                 right: 10
                 top: 10
                 bottom: 10
             }
             size: image.sourceSize
         }
         ...
     }

But the BorderImageMesh version can typically be better optimized.

## Property Documentation

horizontalTileMode : enumeration
verticalTileMode : enumeration

This property describes how to repeat or stretch the middle parts of an image.

- BorderImage.Stretch - Scales the image to fit to the available area.
- BorderImage.Repeat - Tile the image until there is no more space. May crop the last image.
- BorderImage.Round - Like Repeat, but scales the images down to ensure that the last image is not cropped.

The default tile mode for each property is BorderImage.Stretch.

border group
border.bottom : int
border.left : int
border.right : int
border.top : int

The 4 border lines (2 horizontal and 2 vertical) break the image into 9 sections, as shown below:

Each border line (left, right, top, and bottom) specifies an offset in pixels from the respective edge of the mesh. By default, each border line has a value of 0.

For example, the following definition sets the bottom line 10 pixels up from the bottom of the mesh:

     BorderImageMesh {
         border.bottom: 10
         // ...
     }

size : size

The base size of the mesh. This generally corresponds to the sourceSize of the image being used by the ShaderEffect.