add comments (fe3097a9) · Commits · blackheaven / tinygraphs

app-backend/randomgrid.go

+6 −0

Original line number	Diff line number	Diff line
		@@ -8,6 +8,8 @@ import (
		"net/http"
		)

		// handler for /gird/random.
		// generates a black and white grid random image.
		func gridRandomHandler(w http.ResponseWriter, r *http.Request) {
		m := image.NewRGBA(image.Rect(0, 0, 240, 240))
		colorMap := MapOfColorPatterns()
		@@ -16,6 +18,8 @@ func gridRandomHandler(w http.ResponseWriter, r *http.Request) {
		writeImage(w, &img)
		}

		// handler for /grid/random/[0-9]
		// generates a grid random image with a specific color based on the colorMap
		func gridRandomColorHandler(w http.ResponseWriter, r *http.Request) {
		intID, err := PermalinkID(r, 3)
		if err != nil {
		@@ -29,6 +33,7 @@ func gridRandomColorHandler(w http.ResponseWriter, r *http.Request) {
		}
		}

		// drawRandomGrid6X6 builds a grid image with with 2 colors selected at random for each quadrant.
		func drawRandomGrid6X6(m *image.RGBA, color1, color2 color.RGBA) {
		size := m.Bounds().Size()
		quad := size.X / 6
		@@ -50,6 +55,7 @@ func drawRandomGrid6X6(m *image.RGBA, color1, color2 color.RGBA) {
		}
		}

		// getRandomColor returns a random color between c1 and c2
		func getRandomColor(c1, c2 color.RGBA) color.RGBA {
		r := rand.Intn(2)
		if r == 1 {