running mario instead of circle

main.go

@@ -4,6 +4,9 @@ import (
 	"flag"
 	"image"
 	"image/color"
+	_ "image/jpeg"
+	"log"
+	"os"
 	"time"
 
 	rgbmatrix "gitea.wagshome.duckdns.org/publicWagsHome/go-rpi-rgb-led-matrix"
@@ -34,6 +37,19 @@ func main() {
 	config.InverseColors = *inverse_colors
 	config.DisableHardwarePulsing = *disable_hardware_pulsing
 
+	bounds := mario.Bounds()
+	var histogram [16][4]int
+	for y := bounds.Min.Y; y < bounds.Max.Y; y++ {
+		for x := bounds.Min.X; x < bounds.Max.X; x++ {
+			r, g, b, a := mario.At(x, y).RGBA()
+			// A color's RGBA method returns values in the range [0, 65535].
+			// Shifting by 12 reduces this to the range [0, 15].
+			histogram[r>>12][0]++
+			histogram[g>>12][1]++
+			histogram[b>>12][2]++
+			histogram[a>>12][3]++
+		}
+	}
 	m, err := rgbmatrix.NewRGBLedMatrix(config)
 	fatal(err)
 
@@ -58,13 +74,20 @@ type Animation struct {
 	position image.Point
 	dir      image.Point
 	stroke   int
+	image    image.Image
 }
 
 func NewAnimation(sz image.Point) *Animation {
+	reader, err := os.Open("mario.jpg")
+	if err != nil {
+		log.Fatal(err)
+	}
+	mario, _, err := image.Decode(reader)
 	return &Animation{
 		ctx:    gg.NewContext(sz.X, sz.Y),
 		dir:    image.Point{1, 1},
 		stroke: 5,
+		image:  mario,
 	}
 }
 
@@ -74,8 +97,9 @@ func (a *Animation) Next() (image.Image, <-chan time.Time, error) {
 	a.ctx.SetColor(color.Black)
 	a.ctx.Clear()
 
-	a.ctx.DrawCircle(float64(a.position.X), float64(a.position.Y), float64(a.stroke))
+	a.ctx.DrawImage(a.image, a.position.X, a.position.Y)
-	a.ctx.SetColor(color.RGBA{0, 255, 0, 255})
+	//a.ctx.DrawCircle(float64(a.position.X), float64(a.position.Y), float64(a.stroke))
+	//a.ctx.SetColor(color.RGBA{0, 255, 0, 255})
 	a.ctx.Fill()
 	return a.ctx.Image(), time.After(time.Millisecond * 50), nil
 }