LLKennedy/imagetemplate

package barcode

import (
    "fmt"

    "github.com/LLKennedy/imagetemplate/v3/cutils"
    "github.com/LLKennedy/imagetemplate/v3/render"
    "github.com/boombuler/barcode/qr"
)

func (component *Component) delegatedSetProperties(name string, value interface{}) (err error) {
    switch name {
    case "content":
        component.Content, err = cutils.SetString(value)
    case "barcodeType":
        stringVal, ok := value.(render.BarcodeType)
        if !ok {
            return fmt.Errorf("error converting %v to barcode type", value)
        }
        component.Extra = render.BarcodeExtraData{}
        switch stringVal {
        case render.BarcodeType2of5:
        case render.BarcodeType2of5Interleaved:
        case render.BarcodeTypeAztec:
            component.Extra.AztecMinECCPercent = 50      //TODO: get a beter value for this, or set it from the file
            component.Extra.AztecUserSpecifiedLayers = 4 //TODO: get a better value for this, or set it from the file
        case render.BarcodeTypeCodabar:
        case render.BarcodeTypeCode128:
        case render.BarcodeTypeCode39:
            component.Extra.Code39IncludeChecksum = true
            component.Extra.Code39FullASCIIMode = true
        case render.BarcodeTypeCode93:
            component.Extra.Code93IncludeChecksum = true
            component.Extra.Code93FullASCIIMode = true
        case render.BarcodeTypeDataMatrix:
        case render.BarcodeTypeEAN13:
        case render.BarcodeTypeEAN8:
        case render.BarcodeTypePDF:
            component.Extra.PDFSecurityLevel = 4 //TODO: get a better value for this, or set it from the file
        case render.BarcodeTypeQR:
            component.Extra.QRLevel = qr.Q
            component.Extra.QRMode = qr.Unicode
        }
        component.Type = stringVal
        return nil
    case "dR", "dG", "dB", "dA", "bR", "bG", "bB", "bA":
        err = component.setColour(name, value)
    case "topLeftX", "topLeftY":
        err = component.setTopLeft(name, value)
    case "width":
        component.Width, err = cutils.SetInt(value)
    case "height":
        component.Height, err = cutils.SetInt(value)
    default:
        return fmt.Errorf("invalid component property in named property map: %v", name)
    }
    return
}

func (component *Component) setColour(name string, value interface{}) error {
    //Process colours
    colourVal, ok := value.(uint8)
    if !ok {
        return fmt.Errorf("error converting %v to uint8", value)
    }
    switch name {
    case "dR":
        component.DataColour.R = colourVal
    case "dG":
        component.DataColour.G = colourVal
    case "dB":
        component.DataColour.B = colourVal
    case "dA":
        component.DataColour.A = colourVal
    case "bR":
        component.BackgroundColour.R = colourVal
    case "bG":
        component.BackgroundColour.G = colourVal
    case "bB":
        component.BackgroundColour.B = colourVal
    case "bA":
        component.BackgroundColour.A = colourVal
    }
    return nil
}

func (component *Component) setTopLeft(name string, value interface{}) (err error) {
    if name == "topLeftX" {
        component.TopLeft.X, err = cutils.SetInt(value)
        return err
    }
    component.TopLeft.Y, err = cutils.SetInt(value)
    return err
}