initial commit

main.go

@@ -0,0 +1,49 @@
+package main
+
+import (
+	"fmt"
+	"image"
+	"image/draw"
+	"image/jpeg"
+	"os"
+)
+
+func main() {
+	imgFile1, err := os.Open("img1.jpg")
+	if err != nil {
+		fmt.Println(err)
+	}
+	imgFile2, err := os.Open("img2.jpg")
+	if err != nil {
+		fmt.Println(err)
+	}
+	img1, _, err := image.Decode(imgFile1)
+	if err != nil {
+		fmt.Println(err)
+	}
+	img2, _, err := image.Decode(imgFile2)
+	if err != nil {
+		fmt.Println(err)
+	}
+
+	//starting position of the second image (bottom left)
+	sp2 := image.Point{img1.Bounds().Dx(), 0}
+	//new rectangle for the second image
+	r2 := image.Rectangle{sp2, sp2.Add(img2.Bounds().Size())}
+	//rectangle for the big image
+	r := image.Rectangle{image.Point{0, 0}, r2.Max}
+	rgba := image.NewRGBA(r)
+
+	draw.Draw(rgba, img1.Bounds(), img1, image.Point{0, 0}, draw.Src)
+	draw.Draw(rgba, r2, img2, image.Point{0, 0}, draw.Src)
+
+	out, err := os.Create("./output.jpg")
+	if err != nil {
+		fmt.Println(err)
+	}
+
+	var opt jpeg.Options
+	opt.Quality = 80
+
+	jpeg.Encode(out, rgba, &opt)
+}