noita-mapcap/bin/stitch/export-png.go

34 lines
662 B
Go

// Copyright (c) 2023 David Vogel
//
// This software is released under the MIT License.
// https://opensource.org/licenses/MIT
package main
import (
"fmt"
"image"
"image/png"
"log"
"os"
)
func exportPNG(stitchedImage image.Image, outputPath string) error {
log.Printf("Creating output file %q.", outputPath)
f, err := os.Create(outputPath)
if err != nil {
return fmt.Errorf("failed to create file: %w", err)
}
defer f.Close()
encoder := png.Encoder{
CompressionLevel: png.DefaultCompression,
}
if err := encoder.Encode(f, stitchedImage); err != nil {
return fmt.Errorf("failed to encode image %q: %w", outputPath, err)
}
return nil
}