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image.go
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image.go
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// Copyright 2012 Lightpoke. All rights reserved.
// This source code is subject to the terms and
// conditions defined in the "License.txt" file.
package tmx
import (
"fmt"
"image/color"
)
type xmlImage struct {
Format string `xml:"format,attr"`
// TODO: expose image <data> element for embedded image data ?
Source string `xml:"source,attr"`
Trans string `xml:"trans,attr"`
Width int `xml:"width,attr"`
Height int `xml:"height,attr"`
}
func (x xmlImage) toImage() *Image {
return &Image{
Format: x.Format,
Source: x.Source,
Trans: hexToRGBA(x.Trans),
Width: x.Width,
Height: x.Height,
}
}
// Image represents the source and properties of a image
type Image struct {
// Format of the embedded image data (if any).
Format string
// The file path at which the image may be found
Source string
// The color in the image representing transparency (if any).
//
// The alpha (A) component of the color will always be 255.
Trans color.RGBA
// The width and height of the image (useful mostly only for correction
// when the image's size changes from that known to the TMX file).
Width, Height int
}
// String returns a string representation of this image.
func (i *Image) String() string {
return fmt.Sprintf("Image(Source=%q, Size=%dx%dpx)", i.Source, i.Width, i.Height)
}