Initial Commit

3 years ago · ac61662d6d
7 changed files with 409 additions and 0 deletions
--- a/.drone.yml
+++ b/.drone.yml
@ -0,0 +1,33 @@
				@@ -0,0 +1,33 @@
+kind: pipeline
+type: docker
+name: default
+
+steps:
+- name: Build
+  image: golang
+  commands:
+  - go get ./..
+  - go vet -v
+  - env
+  - GOOS="linux" go build -ldflags="-w -s" -o BackgroundDaemon-Linux
+  - GOOS="windows" go build -ldflags="-w -s" -o BackgroundDaemon-Win.exe
+  - GOOS="darwin" go build -ldflags="-w -s" -o BackgroundDaemon-macOS
+- name: gitea_release
+  image: plugins/gitea-release
+  settings:
+    base_url: https://git.nightmare.haus
+    api_key:
+      from_secret: gitea_token
+    files: 
+      - ./BackgroundDaemon-Linux
+      - ./BackgroundDaemon-Win.exe
+      - ./BackgroundDaemon-macOS
+    checksum:
+      - md5
+      - sha1
+      - sha256
+      - sha512
+      - adler32
+      - crc32  
+  when:
+    event: [tag]
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,4 @@
				@@ -0,0 +1,4 @@
+*.png
+*.jpg
+*.jpeg
+BackgroundDaemon
--- a/go.mod
+++ b/go.mod
@ -0,0 +1,20 @@
				@@ -0,0 +1,20 @@
+module git.nightmare.haus/rudi/BackgroundDaemon
+
+go 1.17
+
+require (
+	github.com/fogleman/gg v1.3.0
+	github.com/reujab/wallpaper v0.0.0-20210630195606-5f9f655b3740
+)
+
+require (
+	github.com/gen2brain/shm v0.0.0-20200228170931-49f9650110c5 // indirect
+	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
+	github.com/jezek/xgb v0.0.0-20210312150743-0e0f116e1240 // indirect
+	github.com/kbinani/screenshot v0.0.0-20210720154843-7d3a670d8329 // indirect
+	github.com/lxn/win v0.0.0-20210218163916-a377121e959e // indirect
+	golang.org/x/image v0.0.0-20211028202545-6944b10bf410 // indirect
+	golang.org/x/sys v0.0.0-20201018230417-eeed37f84f13 // indirect
+	gopkg.in/ini.v1 v1.62.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+)
--- a/go.sum
+++ b/go.sum
@ -0,0 +1,40 @@
				@@ -0,0 +1,40 @@
+github.com/fogleman/gg v1.3.0 h1:/7zJX8F6AaYQc57WQCyN9cAIz+4bCJGO9B+dyW29am8=
+github.com/fogleman/gg v1.3.0/go.mod h1:R/bRT+9gY/C5z7JzPU0zXsXHKM4/ayA+zqcVNZzPa1k=
+github.com/gen2brain/shm v0.0.0-20200228170931-49f9650110c5 h1:Y5Q2mEwfzjMt5+3u70Gtw93ZOu2UuPeeeTBDntF7FoY=
+github.com/gen2brain/shm v0.0.0-20200228170931-49f9650110c5/go.mod h1:uF6rMu/1nvu+5DpiRLwusA6xB8zlkNoGzKn8lmYONUo=
+github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF08vX0COfcOBJRhZ8lUbR+ZWIs0Y5g=
+github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
+github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
+github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
+github.com/jezek/xgb v0.0.0-20210312150743-0e0f116e1240 h1:dy+DS31tGEGCsZzB45HmJJNHjur8GDgtRNX9U7HnSX4=
+github.com/jezek/xgb v0.0.0-20210312150743-0e0f116e1240/go.mod h1:3P4UH/k22rXyHIJD2w4h2XMqPX4Of/eySEZq9L6wqc4=
+github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
+github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
+github.com/kbinani/screenshot v0.0.0-20210720154843-7d3a670d8329 h1:qq2nCpSrXrmvDGRxW0ruW9BVEV1CN2a9YDOExdt+U0o=
+github.com/kbinani/screenshot v0.0.0-20210720154843-7d3a670d8329/go.mod h1:2VPVQDR4wO7KXHwP+DAypEy67rXf+okUx2zjgpCxZw4=
+github.com/lxn/win v0.0.0-20210218163916-a377121e959e h1:H+t6A/QJMbhCSEH5rAuRxh+CtW96g0Or0Fxa9IKr4uc=
+github.com/lxn/win v0.0.0-20210218163916-a377121e959e/go.mod h1:KxxjdtRkfNoYDCUP5ryK7XJJNTnpC8atvtmTheChOtk=
+github.com/reujab/wallpaper v0.0.0-20210630195606-5f9f655b3740 h1:X6IDPPN+zrSClp0Q+JiERA//d8L0WcU5MqcGeulCW1A=
+github.com/reujab/wallpaper v0.0.0-20210630195606-5f9f655b3740/go.mod h1:WYwPVmM/8szeItLeWkwZSLRvQgrvsvstRzgznR8+E4Q=
+github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
+github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
+github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIKYqbNC9s=
+github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/image v0.0.0-20211028202545-6944b10bf410 h1:hTftEOvwiOq2+O8k2D5/Q7COC7k5Qcrgc2TFURJYnvQ=
+golang.org/x/image v0.0.0-20211028202545-6944b10bf410/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
+golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a h1:1BGLXjeY4akVXGgbC9HugT3Jv3hCI0z56oJR5vAMgBU=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20201018230417-eeed37f84f13 h1:5jaG59Zhd+8ZXe8C+lgiAGqkOaZBruqrWclLkgAww34=
+golang.org/x/sys v0.0.0-20201018230417-eeed37f84f13/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/ini.v1 v1.62.0 h1:duBzk771uxoUuOlyRLkHsygud9+5lrlGjdFBb4mSKDU=
+gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
--- a/main.go
+++ b/main.go
@ -0,0 +1,187 @@
				@@ -0,0 +1,187 @@
+package main
+
+// imports
+import (
+	"encoding/json"
+	"flag"
+	"fmt"
+	"image"
+	_ "image/jpeg"
+	"image/png"
+	"io"
+	"log"
+	"math/rand"
+	"net/http"
+	"os"
+	"time"
+
+	"github.com/kbinani/screenshot"
+	"github.com/reujab/wallpaper"
+)
+
+var (
+	sourceImgName   string
+	outputImgName   string
+	useNasa         bool
+	useRandom       bool
+	setWallpaper    bool
+	useSketch       bool
+	nasaAPI         string
+	totalCycleCount = 5000
+)
+
+func init() {
+	flag.BoolVar(&useNasa, "nasa", false, "Use NASA Astronomy Pic Of the Day as a source image")
+	flag.BoolVar(&setWallpaper, "set", false, "Set user wallpaper to the output.")
+	flag.BoolVar(&useRandom, "unsplash", false, "Use random unsplash image for seed (Will grab dimensions from background or source if set)")
+	flag.BoolVar(&useSketch, "sketch", false, "Use Sketch to generate a new image.")
+	flag.StringVar(&sourceImgName, "source", "", "Source image, will override current background")
+	flag.StringVar(&outputImgName, "output", "out.png", "Output image filename")
+	flag.StringVar(&nasaAPI, "nasa-key", "DEMO_KEY", "Supply your own API Key for NASA APOD")
+}
+
+func main() {
+	flag.Parse()
+	background, err := wallpaper.Get()
+	if err != nil {
+		log.Panicln(err)
+	}
+	bounds := screenshot.GetDisplayBounds(0)
+
+	var img image.Image
+	if useRandom {
+		img, err = loadRandomUnsplashImage(bounds.Dx(), bounds.Dy())
+		if err != nil {
+			log.Panicln(err)
+		}
+	} else if useNasa {
+		resp, err := http.Get(fmt.Sprintf("https://api.nasa.gov/planetary/apod?api_key=%+v", nasaAPI))
+		if err != nil {
+			log.Fatalf("\nUnable to get NASA API Response\n")
+			return
+		}
+		var apod APODResponse
+		decoder := json.NewDecoder(resp.Body)
+		err = decoder.Decode(&apod)
+		if err != nil {
+			log.Fatalf("\nUnable to decode APOD Response: \n%+v\n", resp)
+			return
+		}
+		file, err := os.CreateTemp(".", apod.Hdurl)
+		if err != nil {
+			log.Panicln(err)
+		}
+		defer os.Remove(file.Name())
+		downloadFile(file.Name(), apod.Hdurl)
+		img, err = loadImage(file.Name())
+		if err != nil {
+			log.Panicln(err)
+		}
+	} else if len(sourceImgName) > 0 {
+		img, err = loadImage(sourceImgName)
+		if err != nil {
+			log.Panicln(err)
+		}
+	} else {
+		img, err = loadImage(background)
+		if err != nil {
+			log.Println(background)
+			log.Panicln(err)
+		}
+	}
+
+	s := NewSketch(img, UserParams{
+		StrokeRatio:              0.75,
+		DestWidth:                bounds.Dx(),
+		DestHeight:               bounds.Dy(),
+		InitialAlpha:             0.1,
+		StrokeReduction:          0.002,
+		AlphaIncrease:            0.06,
+		StrokeInversionThreshold: 0.05,
+		StrokeJitter:             int(0.1 * float64(bounds.Dx())),
+		MinEdgeCount:             3,
+		MaxEdgeCount:             8,
+	})
+
+	rand.Seed(time.Now().Unix())
+
+	if useSketch {
+		for i := 0; i < totalCycleCount; i++ {
+			s.Update()
+		}
+
+		saveOutput(s.Output(), outputImgName)
+	} else {
+
+		saveOutput(img, outputImgName)
+	}
+
+	if setWallpaper {
+		err = wallpaper.SetFromFile(outputImgName)
+		if err != nil {
+			log.Panicln(err)
+		}
+	}
+}
+
+func loadRandomUnsplashImage(width, height int) (image.Image, error) {
+	url := fmt.Sprintf("https://source.unsplash.com/random/%dx%d", width, height)
+	res, err := http.Get(url)
+	if err != nil {
+		return nil, err
+	}
+	defer res.Body.Close()
+
+	img, _, err := image.Decode(res.Body)
+	return img, err
+}
+
+func loadImage(src string) (image.Image, error) {
+	file, _ := os.Open(sourceImgName)
+	defer file.Close()
+	img, _, err := image.Decode(file)
+	return img, err
+}
+
+func saveOutput(img image.Image, filePath string) error {
+	f, err := os.Create(filePath)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+
+	// Encode to `PNG` with `DefaultCompression` level
+	// then save to file
+	err = png.Encode(f, img)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// https://stackoverflow.com/questions/33845770/how-do-i-download-a-file-with-a-http-request-in-go-language/33845771
+func downloadFile(filepath string, url string) (err error) {
+
+	// Create the file
+	out, err := os.Create(filepath)
+	if err != nil {
+		return err
+	}
+	defer out.Close()
+
+	// Get the data
+	resp, err := http.Get(url)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	// Writer the body to file
+	_, err = io.Copy(out, resp.Body)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
--- a/sketch.go
+++ b/sketch.go
@ -0,0 +1,92 @@
				@@ -0,0 +1,92 @@
+package main
+
+// imports
+import (
+	"github.com/fogleman/gg"
+	"image"
+	"image/color"
+	"math/rand"
+)
+
+// imports
+
+type UserParams struct {
+	StrokeRatio              float64
+	DestWidth                int
+	DestHeight               int
+	InitialAlpha             float64
+	StrokeReduction          float64
+	AlphaIncrease            float64
+	StrokeInversionThreshold float64
+	StrokeJitter             int
+	MinEdgeCount             int
+	MaxEdgeCount             int
+}
+
+type Sketch struct {
+	UserParams        // embed for easier access
+	source            image.Image
+	dc                *gg.Context
+	sourceWidth       int
+	sourceHeight      int
+	strokeSize        float64
+	initialStrokeSize float64
+}
+
+func NewSketch(source image.Image, userParams UserParams) *Sketch {
+	s := &Sketch{UserParams: userParams}
+	bounds := source.Bounds()
+	s.sourceWidth, s.sourceHeight = bounds.Max.X, bounds.Max.Y
+	s.initialStrokeSize = s.StrokeRatio * float64(s.DestWidth)
+	s.strokeSize = s.initialStrokeSize
+
+	canvas := gg.NewContext(s.DestWidth, s.DestHeight)
+	canvas.SetColor(color.Black)
+	canvas.DrawRectangle(0, 0, float64(s.DestWidth), float64(s.DestHeight))
+	canvas.FillPreserve()
+
+	s.source = source
+	s.dc = canvas
+	return s
+}
+
+func (s *Sketch) Update() {
+	rndX := rand.Float64() * float64(s.sourceWidth)
+	rndY := rand.Float64() * float64(s.sourceHeight)
+	r, g, b := rgb255(s.source.At(int(rndX), int(rndY)))
+
+	destX := rndX * float64(s.DestWidth) / float64(s.sourceWidth)
+	destX += float64(randRange(s.StrokeJitter))
+	destY := rndY * float64(s.DestHeight) / float64(s.sourceHeight)
+	destY += float64(randRange(s.StrokeJitter))
+	edges := s.MinEdgeCount + rand.Intn(s.MaxEdgeCount-s.MinEdgeCount+1)
+
+	s.dc.SetRGBA255(r, g, b, int(s.InitialAlpha))
+	s.dc.DrawRegularPolygon(edges, destX, destY, s.strokeSize, rand.Float64())
+	s.dc.FillPreserve()
+
+	if s.strokeSize <= s.StrokeInversionThreshold*s.initialStrokeSize {
+		if (r+g+b)/3 < 128 {
+			s.dc.SetRGBA255(255, 255, 255, int(s.InitialAlpha*2))
+		} else {
+			s.dc.SetRGBA255(0, 0, 0, int(s.InitialAlpha*2))
+		}
+	}
+	s.dc.Stroke()
+
+	s.strokeSize -= s.StrokeReduction * s.strokeSize
+	s.InitialAlpha += s.AlphaIncrease
+}
+
+func (s *Sketch) Output() image.Image {
+	return s.dc.Image()
+}
+
+func rgb255(c color.Color) (r, g, b int) {
+	r0, g0, b0, _ := c.RGBA()
+	return int(r0 / 257), int(g0 / 257), int(b0 / 257)
+}
+
+func randRange(max int) int {
+	return -max + rand.Intn(2*max)
+}
--- a/types.go
+++ b/types.go
@ -0,0 +1,33 @@
				@@ -0,0 +1,33 @@
+package main
+
+type APODResponse struct {
+	Date           string `json:"date"`
+	Explanation    string `json:"explanation"`
+	Hdurl          string `json:"hdurl"`
+	MediaType      string `json:"media_type"`
+	ServiceVersion string `json:"service_version"`
+	Title          string `json:"title"`
+	URL            string `json:"url"`
+}
+
+type MarsResponse struct {
+	Photos []struct {
+		ID     int `json:"id"`
+		Sol    int `json:"sol"`
+		Camera struct {
+			ID       int    `json:"id"`
+			Name     string `json:"name"`
+			RoverID  int    `json:"rover_id"`
+			FullName string `json:"full_name"`
+		} `json:"camera"`
+		ImgSrc    string `json:"img_src"`
+		EarthDate string `json:"earth_date"`
+		Rover     struct {
+			ID          int    `json:"id"`
+			Name        string `json:"name"`
+			LandingDate string `json:"landing_date"`
+			LaunchDate  string `json:"launch_date"`
+			Status      string `json:"status"`
+		} `json:"rover"`
+	} `json:"photos"`
+}