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importers.go
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/
importers.go
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package assets
import (
"fmt"
"image"
_ "image/jpeg"
_ "image/png"
"io"
"os"
"io/ioutil"
"github.com/disintegration/imaging"
"github.com/walesey/go-engine/renderer"
)
func ImportImage(file string) (image.Image, error) {
imgFile, err := os.Open(file)
if err != nil {
fmt.Printf("Error opening image file: %v\n", err)
return nil, err
}
return DecodeImage(imgFile)
}
func DecodeImage(data io.Reader) (image.Image, error) {
img, _, err := image.Decode(data)
if err != nil {
fmt.Printf("Error decoding geometry file: %v\n", err)
return nil, err
}
img = imaging.FlipV(img)
return img, nil
}
func ImportShader(vertexFile, fragmentFile string) (*renderer.Shader, error) {
vertsrc, err := ioutil.ReadFile(vertexFile)
if err != nil {
fmt.Printf("Error vertex file: %v\n", err)
return nil, err
}
fragsrc, err := ioutil.ReadFile(fragmentFile)
if err != nil {
fmt.Printf("Error fragment file: %v\n", err)
return nil, err
}
shader := renderer.NewShader()
shader.VertSrc = string(vertsrc)
shader.FragSrc = string(fragsrc)
return shader, nil
}