Commit 3626afc4 authored by santiaago's avatar santiaago
Browse files

add random grid images based on colors #8

parent 48e54e1a

app-backend/grid.go

+0 −96
Original line number Diff line number Diff line
@@ -3,39 +3,11 @@ package main 
import (

	"image"

	"image/color"

	"math/rand"

	"strconv"

	"strings"

	//	"image/draw"

	"log"

	"net/http"

)



// parse permalink id from URL  and return it

func PermalinkID(r *http.Request, level int64) (int64, error) {

	url := strings.Replace(r.URL.String(), "http://", "", 1)

	path := strings.Split(url, "/")

	// if url has params extract id until the ? character

	var strID string



	strID = path[level]

	intID, err := strconv.ParseInt(strID, 0, 64)

	if err != nil {

		// only try to extract id if were are unable to exracted using the level.

		if strings.Contains(r.URL.String(), "?") {

			strPath := path[level]

			strID = strPath[0:strings.Index(strPath, "?")]

		} else {

			strID = path[level]

		}

		intID, err = strconv.ParseInt(strID, 0, 64)

		if err != nil {

			log.Printf("error when calling PermalinkID with %v.Error: %v", path[level], err)

		}

	}

	return intID, err

}



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

	intID, err := PermalinkID(r, 1)

	if err != nil {
@@ -82,52 +54,6 @@ func colorGridHandler(w http.ResponseWriter, r *http.Request) { 
	}

}



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

	intID, err := PermalinkID(r, 2)

	if err != nil {

		log.Printf("error when extracting permalink id: %v", err)

	} else {

		m := image.NewRGBA(image.Rect(0, 0, 240, 240))

		var c1, c2 color.RGBA

		if intID == 1 {

			c1 = color.RGBA{uint8(0), uint8(144), 167, 255}

			c2 = color.RGBA{uint8(0), uint8(214), 244, 255}

		}

		if intID == 2 {

			c1 = color.RGBA{uint8(232), uint8(70), 134, 255}

			c2 = color.RGBA{uint8(181), uint8(181), 181, 255}

		}

		if intID == 3 {

			c1 = color.RGBA{uint8(255), uint8(237), 81, 255}

			c2 = color.RGBA{uint8(255), uint8(253), 136, 255}

		}

		if intID == 4 {

			c1 = color.RGBA{uint8(177), uint8(192), 24, 255}

			c2 = color.RGBA{uint8(86), uint8(165), 150, 255}

		}

		if intID == 5 {

			c1 = color.RGBA{uint8(208), uint8(2), 120, 255}

			c2 = color.RGBA{uint8(255), uint8(0), 118, 255}

		}

		if intID == 6 {

			c1 = color.RGBA{uint8(0), uint8(44), 47, 255}

			c2 = color.RGBA{uint8(126), uint8(176), 119, 255}

		}

		if intID == 7 {

			c1 = color.RGBA{uint8(29), uint8(24), 18, 255}

			c2 = color.RGBA{uint8(234), uint8(225), 219, 255}

		}

		if intID == 8 {

			c1 = color.RGBA{uint8(33), uint8(30), 26, 255}

			c2 = color.RGBA{uint8(176), uint8(209), 194, 255}

		}



		drawRandomGrid6X6(m, c1, c2)

		var img image.Image = m

		writeImage(w, &img)

	}

}



func grid6X6Handler(w http.ResponseWriter, r *http.Request) {

	m := image.NewRGBA(image.Rect(0, 0, 240, 240))

	color1 := color.RGBA{uint8(255), uint8(255), 255, 255}
@@ -161,28 +87,6 @@ func drawGrid6X6(m *image.RGBA, color1, color2 color.RGBA) { 
	}

}



//

// In total there are 36 squares.

// each square has a random color (color1 or color2)

// a square is range or x from x0 to x1 and from y0 to y1



func drawRandomGrid6X6(m *image.RGBA, color1, color2 color.RGBA) {

	size := m.Bounds().Size()

	for x := 0; x < size.X; x++ {



		val := (x / quad) % 2

		for y := 0; y < size.Y; y++ {

			val2 := (y / quad) % 2

			//r := rand.Intn(2)

			if val+val2 == 1 {

				m.Set(x, y, color1)

			} else {

				m.Set(x, y, color2)

			}

		}

	}

}



func drawGradient(m *image.RGBA) {

	size := m.Bounds().Size()

	for x := 0; x < size.X; x++ {

app-backend/randomgrid.go

0 → 100644
+84 −0
Original line number Diff line number Diff line 
package main



import (

	"image"

	"image/color"

	"log"

	"math/rand"

	"net/http"

)



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

	intID, err := PermalinkID(r, 2)

	if err != nil {

		log.Printf("error when extracting permalink id: %v", err)

	} else {

		m := image.NewRGBA(image.Rect(0, 0, 240, 240))

		var c1, c2 color.RGBA

		if intID == 1 {

			c1 = color.RGBA{uint8(0), uint8(144), 167, 255}

			c2 = color.RGBA{uint8(0), uint8(214), 244, 255}

		}

		if intID == 2 {

			c1 = color.RGBA{uint8(232), uint8(70), 134, 255}

			c2 = color.RGBA{uint8(181), uint8(181), 181, 255}

		}

		if intID == 3 {

			c1 = color.RGBA{uint8(255), uint8(237), 81, 255}

			c2 = color.RGBA{uint8(255), uint8(253), 136, 255}

		}

		if intID == 4 {

			c1 = color.RGBA{uint8(177), uint8(192), 24, 255}

			c2 = color.RGBA{uint8(86), uint8(165), 150, 255}

		}

		if intID == 5 {

			c1 = color.RGBA{uint8(208), uint8(2), 120, 255}

			c2 = color.RGBA{uint8(255), uint8(0), 118, 255}

		}

		if intID == 6 {

			c1 = color.RGBA{uint8(0), uint8(44), 47, 255}

			c2 = color.RGBA{uint8(126), uint8(176), 119, 255}

		}

		if intID == 7 {

			c1 = color.RGBA{uint8(29), uint8(24), 18, 255}

			c2 = color.RGBA{uint8(234), uint8(225), 219, 255}

		}

		if intID == 8 {

			c1 = color.RGBA{uint8(33), uint8(30), 26, 255}

			c2 = color.RGBA{uint8(176), uint8(209), 194, 255}

		}



		drawRandomGrid6X6(m, c1, c2)

		var img image.Image = m

		writeImage(w, &img)

	}

}



func drawRandomGrid6X6(m *image.RGBA, color1, color2 color.RGBA) {

	size := m.Bounds().Size()

	quad := size.X / 6

	colorMap := make(map[int]color.RGBA)

	var currentQuadrand = 0

	for x := 0; x < size.X; x++ {

		if x/quad != currentQuadrand {

			// quadrant changed, clear map

			colorMap = make(map[int]color.RGBA)

			currentQuadrand = x / quad

		}

		for y := 0; y < size.Y; y++ {

			yQuadrant := y / quad

			if _, ok := colorMap[yQuadrant]; !ok {

				colorMap[yQuadrant] = getRandomColor(color1, color2)

			}

			m.Set(x, y, colorMap[yQuadrant])

		}

	}

}



func getRandomColor(c1, c2 color.RGBA) color.RGBA {

	r := rand.Intn(2)

	if r == 1 {

		return c1

	}

	return c2

}

app-backend/utils.go

0 → 100644
+31 −0
Original line number Diff line number Diff line 
package main



import (

	"log"

	"net/http"

	"strconv"

	"strings"

)



// parse permalink id from URL  and return it

func PermalinkID(r *http.Request, level int64) (int64, error) {

	url := strings.Replace(r.URL.String(), "http://", "", 1)

	path := strings.Split(url, "/")

	var strID string

	strID = path[level]

	intID, err := strconv.ParseInt(strID, 0, 64)

	if err != nil {

		// only try to extract id if were are unable to exracted using the level.

		if strings.Contains(r.URL.String(), "?") {

			strPath := path[level]

			strID = strPath[0:strings.Index(strPath, "?")]

		} else {

			strID = path[level]

		}

		intID, err = strconv.ParseInt(strID, 0, 64)

		if err != nil {

			log.Printf("error when calling PermalinkID with %v.Error: %v", path[level], err)

		}

	}

	return intID, err

}

app-backend/main.go

+1 −1

File changed.

Contains only whitespace changes.