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// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package iconvg_test
import (
"image"
"image/draw"
"log"
"os"
"path/filepath"
"golang.org/x/exp/shiny/iconvg"
)
func Example() {
ivgData, err := os.ReadFile(filepath.FromSlash("testdata/action-info.lores.ivg"))
if err != nil {
log.Fatal(err)
}
const width = 24
dst := image.NewAlpha(image.Rect(0, 0, width, width))
var z iconvg.Rasterizer
z.SetDstImage(dst, dst.Bounds(), draw.Src)
if err := iconvg.Decode(&z, ivgData, nil); err != nil {
log.Fatal(err)
}
const asciiArt = ".++8"
buf := make([]byte, 0, width*(width+1))
for y := 0; y < width; y++ {
for x := 0; x < width; x++ {
a := dst.AlphaAt(x, y).A
buf = append(buf, asciiArt[a>>6])
}
buf = append(buf, '\n')
}
os.Stdout.Write(buf)
// Output:
// ........................
// ........................
// ........++8888++........
// ......+8888888888+......
// .....+888888888888+.....
// ....+88888888888888+....
// ...+8888888888888888+...
// ...88888888..88888888...
// ..+88888888..88888888+..
// ..+888888888888888888+..
// ..88888888888888888888..
// ..888888888..888888888..
// ..888888888..888888888..
// ..888888888..888888888..
// ..+88888888..88888888+..
// ..+88888888..88888888+..
// ...88888888..88888888...
// ...+8888888888888888+...
// ....+88888888888888+....
// .....+888888888888+.....
// ......+8888888888+......
// ........++8888++........
// ........................
// ........................
}
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