41 lines
675 B
Go
41 lines
675 B
Go
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package storage
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import (
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"bytes"
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"image"
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"image/draw"
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"image/png"
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"os"
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)
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type tile struct {
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dirty bool
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image *image.RGBA
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}
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func (t *tile) save(path string) error {
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file, err := os.OpenFile(path, os.O_WRONLY, 0644)
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if err != nil {
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return err
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}
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defer file.Close()
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err = png.Encode(file, t.image)
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t.dirty = false
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return err
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}
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func (t *tile) fill() {
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draw.Draw(t.image, t.image.Bounds(), &image.Uniform{C: image.White}, image.Point{}, draw.Src)
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}
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func (t *tile) toBytesPNG() (*bytes.Buffer, error) {
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buffer := &bytes.Buffer{}
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err := png.Encode(buffer, t.image)
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return buffer, err
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}
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func (t *tile) size() image.Point {
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return t.image.Bounds().Size()
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}
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