Created
June 22, 2023 16:10
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script for create demotivator image on golang
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| package main | |
| import ( | |
| "image" | |
| "image/color" | |
| "image/draw" | |
| "image/png" | |
| "golang.org/x/image/font" | |
| "golang.org/x/image/font/basicfont" | |
| "golang.org/x/image/math/fixed" | |
| "log" | |
| "os" | |
| ) | |
| func OpenImage(path string) (image.Image, error) { | |
| file, err := os.Open(path) | |
| if err != nil { | |
| return nil, err | |
| } | |
| defer file.Close() | |
| im, err := png.Decode(file) | |
| if err != nil { | |
| return nil, err | |
| } | |
| return im, nil | |
| } | |
| func CreateDemotivator(im image.Image, p int) *image.RGBA { | |
| dem := image.NewRGBA(image.Rect(0, 0, 512, 512)) | |
| imX := int(dem.Bounds().Max.X/2 - 256/2) | |
| imY := int(float32(dem.Bounds().Max.Y)/2.5 - 256/2) | |
| // set background and block | |
| for y := dem.Bounds().Min.Y; y < dem.Bounds().Max.Y; y++ { | |
| for x := dem.Bounds().Min.X; x < dem.Bounds().Max.X; x++ { | |
| if ((y == imY-p || y == imY+256+p) && (x > imX-p) && !(x > imX+256+p)) || ((x == imX-p || x == imX+256+p) && (y > imY-p) && !(y > imY+256+p)) { | |
| dem.Set(x, y, color.White) | |
| } else { | |
| dem.Set(x, y, color.Black) | |
| } | |
| } | |
| } | |
| return dem | |
| } | |
| func SetImage(im image.Image, dem *image.RGBA) { | |
| imagePos := image.Rect( | |
| int(dem.Bounds().Max.X/2-im.Bounds().Max.X/2), | |
| int(float32(dem.Bounds().Max.Y)/2.5-float32(im.Bounds().Max.X/2)), | |
| int(dem.Bounds().Max.X/2-im.Bounds().Max.X/2)+im.Bounds().Max.X, | |
| int(float32(dem.Bounds().Max.Y)/2.5-float32(im.Bounds().Max.X/2))+im.Bounds().Max.Y, | |
| ) | |
| draw.Draw(dem, imagePos, im, image.Point{0, 0}, draw.Src) | |
| } | |
| func SetText(dem *image.RGBA, title string) { | |
| col := color.White | |
| point := fixed.Point26_6{fixed.I(10), fixed.I(100)} | |
| d := &font.Drawer{ | |
| Dst: dem, | |
| Src: image.NewUniform(col), | |
| Face: basicfont.Face7x13, | |
| Dot: point, | |
| } | |
| d.DrawString(title) | |
| } | |
| func main() { | |
| image, err := OpenImage("example.png") | |
| if err != nil { | |
| log.Fatal(err) | |
| } | |
| dem := CreateDemotivator(image, 10) | |
| SetImage(image, dem) | |
| SetText(dem, "cock fruto nya") | |
| // save png | |
| file, err := os.Create("output.png") | |
| if err != nil { | |
| log.Fatal(err) | |
| } | |
| defer file.Close() | |
| png.Encode(file, dem) | |
| } |
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