scaffold

type BaseColour struct {
	// Red is the red channel.
	Red string `json:"R"`
	// Green is the green channel.
	Green string `json:"G"`
	// Blue is the blue channel.
	Blue string `json:"B"`
	// Alpha is the alpha channel.
	Alpha string `json:"A"`
}

type BaseImage struct {
	// FileName is the file to load the base image from.
	FileName string `json:"fileName"`
	// Data is the base64-encoded data to load the base image from.
	Data string `json:"data"`
	// BaseColour is the pure colour to use as a base image.
	BaseColour BaseColour `json:"baseColour"`
	// BaseWidth is the width to use for pure colour.
	BaseWidth string `json:"width"`
	// BaseHeight is the height to use for pure colour.
	BaseHeight string `json:"height"`
	// PPI is the pixels per inch to set in the canvas.
	PPI string `json:"ppi"`
}

type Builder interface {
	GetCanvas() render.Canvas
	SetCanvas(newCanvas render.Canvas) Builder
	GetComponents() []render.Component
	SetComponents(components []ToggleableComponent) Builder
	GetNamedPropertiesList() render.NamedProperties
	SetNamedProperties(properties render.NamedProperties) (Builder, error)
	ApplyComponents() (Builder, error)
	LoadComponentsFile(fileName string) (Builder, error)
	LoadComponentsData(fileData []byte) (Builder, error)
	WriteToBMP() ([]byte, error)
}

type ComponentTemplate struct {
	// Type is the type of the component, such as Rectangle or Barcode.
	Type string `json:"type"`
	// Conditional is the condition(s) on which the component will render.
	Conditional render.ComponentConditional `json:"conditional"`
	// Properties are the raw, unprocessed JSON data for the component to parse
	Properties json.RawMessage `json:"properties"`
}

type ImageBuilder struct {
	// Canvas is the canvas on which the image is drawn.
	Canvas render.Canvas
	// Components are the components to render.
	Components []ToggleableComponent
	// NamedProperties are the user/application defined variables
	NamedProperties render.NamedProperties
	// contains filtered or unexported fields
}

type Template struct {
	// BaseImage is the bottom layer of the canvas, on which to draw everything else.
	BaseImage BaseImage `json:"baseImage"`
	// Components are all other elements to be rendered.
	Components []ComponentTemplate `json:"components"`
}

type ToggleableComponent struct {
	// Conditional is the condition(s) on which the component will render.
	Conditional render.ComponentConditional
	// Component is the component to render.
	Component render.Component
}