add squares.palette.go to build jpeg image of colors #31

package themes

import (

	"log"

	"image"

	"image/color"

	"net/http"

	"github.com/taironas/route"

	"github.com/taironas/tinygraphs/colors"

	"github.com/taironas/tinygraphs/draw/squares"

	"github.com/taironas/tinygraphs/extract"

	"github.com/taironas/tinygraphs/format"

	"github.com/taironas/tinygraphs/write"

)

// Theme handler builds an image with the colors of a theme

func Theme(w http.ResponseWriter, r *http.Request) {

	var err error

	var theme string

	if theme, _ = route.Context.Get(r, "theme"); err != nil {

		theme = "base"

	var th string

	if th, _ = route.Context.Get(r, "theme"); err != nil {

		th = "base"

	}

	colorMap := colors.MapOfColorThemes()

	if val, ok := colorMap[theme]; ok {

		log.Println(val)

	var theme []color.RGBA

	if val, ok := colorMap[th]; ok {

		theme = val

	} else {

		theme = colorMap["base"]

	}

	if f := extract.Format(r); f == format.JPEG {

		m := image.NewRGBA(image.Rect(0, 0, 100, 100))

		squares.Palette(m, theme)

		var img image.Image = m

		write.ImageJPEG(w, &img)

	} // else if f == format.SVG {

	// 	write.ImageSVG(w)

	// 	squares.PalleteSVG(w, c1, c2, 100)

	// }

}

package squares

import (

	"image"

	"image/color"

)

func Palette(m *image.RGBA, theme []color.RGBA) {

}