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/*
Copyright (C) 2019 Leo Tenenbaum
This file is part of AutoArt.
AutoArt is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
AutoArt is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with AutoArt. If not, see <https://www.gnu.org/licenses/>.
*/
package main
import (
"bufio"
"fmt"
"github.com/pommicket/autoart/autoart"
"github.com/pommicket/autoart/autoutils"
"image"
"image/png"
"math/rand"
"os"
"time"
)
// AutoImages client
func genImage(width int, height int, paletted bool, conf *autoart.Config, pconf *autoart.PaletteConfig, filename string) error {
var img image.Image
if paletted {
img = autoart.GenerateImagePalette(width, height, *pconf)
} else {
img = autoart.GenerateImage(width, height, *conf)
}
file, err := os.Create(filename)
if err != nil {
return err
}
err = png.Encode(file, img)
if err != nil {
file.Close()
return err
}
return file.Close()
}
func batchedImages(seed int64, width int, height int, paletted bool, conf *autoart.Config, pconf *autoart.PaletteConfig, number int64) error {
// Create a directory for the images
rand.Seed(seed)
dir := fmt.Sprintf("autoimages%v", seed)
err := os.MkdirAll(dir, 0700)
if err != nil {
return err
}
err = autoutils.RunInBatches(number, "Generating images...", func(n int64, errs chan<- error) {
filename := fmt.Sprintf("%v/%09d.png", dir, n)
errs <- genImage(width, height, paletted, conf, pconf, filename)
})
if err != nil {
return err
}
fmt.Println("Done! Your images are in this directory:", dir)
return nil
}
func autoImages(reader *bufio.Reader) error {
prompt := `How many options do you want?
1. None - Just make an image
2. Some - Basic options
3. All - Advanced options
Please enter 1, 2, or 3 (default: 1): `
option, err := readInt64(reader, prompt, func(i int64) bool {
return i >= 1 && i <= 3
}, 1)
if err != nil {
return err
}
var conf autoart.Config
var pconf autoart.PaletteConfig
t := time.Now().UTC().UnixNano()
if option == 1 {
rand.Seed(t)
fmt.Println("Generating image...")
filename := fmt.Sprintf("autoimages%d.png", t)
err = genImage(1920, 1080, false, &conf, &pconf, filename)
if err != nil {
// We're done!
fmt.Println("Generated an image:", filename)
}
return err
}
// Basic options
positive := func(i int64) bool { return i > 0 }
width, err := readInt64(reader, "Width (default: 1920)? ", positive, 1920)
if err != nil {
return err
}
height, err := readInt64(reader, "Height (default: 1080)? ", positive, 1080)
if err != nil {
return err
}
number, err := readInt64(reader, "How many (default: 1)? ", positive, 1)
if err != nil {
return err
}
if option == 2 {
return batchedImages(t, int(width), int(height), false, &conf, &pconf, number)
}
paletted, err := readBool(reader, "Should a palette be used (y/n, default: n)? ", false)
if err != nil {
return err
}
// Advanced options
if paletted {
err = readPaletteConf(reader, &pconf)
if err != nil {
return err
}
} else {
err = readConf(reader, &conf)
if err != nil {
return err
}
}
seed, err := readInt64(reader, "Random seed (default: current time)? ", func(i int64) bool {
return true
}, t)
return batchedImages(seed, int(width), int(height), paletted, &conf, &pconf, number)
}
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