ProceduralTextureData QML Type

Allows creation and population of TextureData from QML. More...

• List of all members, including inherited members

Properties

• depth : int
• format : enumeration
• hasTransparency : bool
• height : int
• textureData : ArrayBuffer
• width : int

Detailed Description

ProceduralTextureData is a helper type that allows creation of TextureData from QML. The TextureData component is Abstract, and is usually created from C++. With ProceduralTextureData, it is possible to populate a TextureData from QML.

 ProceduralTextureData {
     id: dynamicTextureData
     property color color1: "red"
     property color color2: "black"
     width: 32
     height: 32
     hasTransparency: false
     format: TextureData.RGBA8
     textureData: generateTextureData(color1, color2)

     function generateTextureData(newColor1: color, newColor2 : color) : ArrayBuffer {
         let dataBuffer = new ArrayBuffer(width * height * 4)
         let data = new Uint8Array(dataBuffer)
         // Create a checkered pattern using newColor1 and newColor2
         for (let x = 0; x < width; x++) {
             for (let y = 0; y < height; y++) {
                 let index = (x + y * width) * 4
                 let color = (x % 2 === y % 2) ? newColor1 : newColor2
                 data[index + 0] = color.r * 255
                 data[index + 1] = color.g * 255
                 data[index + 2] = color.b * 255
                 data[index + 3] = 255
             }
         }
         return dataBuffer
     }
 }

In the above code snippet, the function generateTextureData is used to generate a checkerboard pattern using the two colors color1 and color2. By filling an ArrayBuffer with the generated data, the textureData property of the TextureData is populated.

Property Documentation