TE.js Texture Formats

var textureFormats = {
    i4: new TextureFormat({
        id: 0x80,
        name: "i4",
        description: "4 bit per pixel. All channels share value.",
        mask: {
            r: 0xF,
            g: 0xF,
            b: 0xF,
            a: 0xF
        }
    }),
    i8: new TextureFormat({
        id: 0x88,
        name: "i8",
        description: "8 bit per pixel. All channels share value.",
        mask: {
            r: 0xFF,
            g: 0xFF,
            b: 0xFF,
            a: 0xFF
        }
    }),
    ia4: new TextureFormat({
        id: 0x60,
        name: "ia4",
        description: "4 bit per pixel. 3 bit for greyscale channel, 1 bit for alpha channel.",
        mask: {
            r: 0xE,
            g: 0xE,
            b: 0xE,
            a: 0x1
        }
    }),
    ia8: new TextureFormat({
        id: 0x68,
        name: "ia8",
        description: "8 bit per pixel. 4 bit for greyscale channel, 4 bit for alpha channel.",
        mask: {
            r: 0xF0,
            g: 0xF0,
            b: 0xF0,
            a: 0x0F
        }
    }),
    ia16: new TextureFormat({
        id: 0x70,
        name: "ia16",
        description: "16 bit per pixel. 8 bit for greyscale channel, 8 bit for alpha channel.",
        mask: {
            r: 0xFF00,
            g: 0xFF00,
            b: 0xFF00,
            a: 0x00FF
        }
    }),
    rgb5a1: new TextureFormat({
        id: 0x10,
        name: "rgb5a1",
        description: "16 bit per pixel. 5 bit per color channel, 1 bit for alpha channel. Also known as rgba16.",
        mask: {
            r: 0xF800,
            g: 0x07C0,
            b: 0x003E,
            a: 0x0001
        }
    }),
    rgba32: new TextureFormat({
        id: 0x18,
        name: "rgba32",
        description: "32 bit per pixel. 8 bit per color channel, 8 bit for alpha channel.",
        mask: {
            r: 0xFF000000,
            g: 0x00FF0000,
            b: 0x0000FF00,
            a: 0x000000FF
        }
    }),
    ci4: new TextureFormat({
        id: 0x40,
        name: "ci4",
        description: "4 bit per pixel. Uses a rgb5a1 palette.",
        bits: 4,
        palette: true
    }),
    ci8: new TextureFormat({
        id: 0x48,
        name: "ci8",
        description: "8 bit per pixel. Uses a rgb5a1 palette.",
        bits: 8,
        palette: true
    }),
    jpeg: new TextureFormat({
        id: 0xFE,
        name: "jpeg",
        description: "Uses the JPEG File Interchange Format (JFIF) standard.",
        bits: 8
    }),
};