111 lines
3.1 KiB
Go
111 lines
3.1 KiB
Go
package nmslib
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import (
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"fmt"
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"image/png"
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"io/ioutil"
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"os"
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"strconv"
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gim "github.com/ozankasikci/go-image-merge"
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)
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/*CreateBanner - Output PNG of Portal Glyphs
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Requires 3 vars and returns 0 var, Outputs a PNG file
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var portalex string
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Portal Glyph hex string
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var savename string
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Output name of PNG file
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var opt int
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00 sets horizontal banner in light mode
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10 sets vertical banner in light mode
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01 sets horizontal banner in dark mode
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11 sets vertical banner in dark mode
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*/
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func CreateBanner(portalhex string, savename string, opt int) {
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var err error
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var GlyphHex [12]int64
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var glyphImg [12]string
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var mode string
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var vert int
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var horz int
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// Setup temp dir
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tempdir, err := ioutil.TempDir("", "nmslib-")
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if err != nil {
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panic(err)
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}
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//defer os.RemoveAll(tempdir)
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// verify len of portalhex
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if len(portalhex) == 12 {
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// get hex value from each digit in given string to an array of int64
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for i := 0; i < len(portalhex); i++ {
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GlyphHex[i], err = strconv.ParseInt(portalhex[i:int(i+1)], 16, 16)
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if err != nil {
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panic(err)
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}
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}
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// set options
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if opt == 00 { // set vertical rendering in light mode
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vert, horz = 12, 1
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mode = "light"
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} else if opt == 01 { // set vertival in dark mode
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vert, horz = 12, 1
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mode = "dark"
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} else if opt == 11 { // set horizontal rendering in dark mode
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vert, horz = 1, 12
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mode = "dark"
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} else { // set horizontal rendering in light mode (classic/default)
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vert, horz = 1, 12
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mode = "light"
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}
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// assign image location of its glyph hex value to an array of strings
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for j := 0; j < len(glyphImg); j++ {
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glyphImg[j] = fmt.Sprintf("assets/glyphs/%s/PORTALSYMBOL.%X.png", mode, GlyphHex[j])
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}
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// pull images need from glyph.go and saved them to ./glyphs/
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for k := 0; k < len(glyphImg); k++ {
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data, err := Asset(glyphImg[k])
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if err != nil {
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panic(err)
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}
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_, err2 := os.Stat(tempdir + "/assets/glyphs/" + mode + "/")
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if os.IsNotExist(err2) {
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errDir := os.MkdirAll(tempdir+"/assets/glyphs/"+mode, 0755)
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if errDir != nil {
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panic(errDir)
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}
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}
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fmt.Println(tempdir + "/" + glyphImg[k])
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err = ioutil.WriteFile(tempdir+"/"+glyphImg[k], []byte(data), 0644)
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}
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// load images for processing using github.com/ozankasikci/go-image-merge
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grids := []*gim.Grid{
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{ImageFilePath: tempdir + "/" + glyphImg[0]}, {ImageFilePath: tempdir + "/" + glyphImg[1]},
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{ImageFilePath: tempdir + "/" + glyphImg[2]}, {ImageFilePath: tempdir + "/" + glyphImg[3]},
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{ImageFilePath: tempdir + "/" + glyphImg[4]}, {ImageFilePath: tempdir + "/" + glyphImg[5]},
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{ImageFilePath: tempdir + "/" + glyphImg[6]}, {ImageFilePath: tempdir + "/" + glyphImg[7]},
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{ImageFilePath: tempdir + "/" + glyphImg[8]}, {ImageFilePath: tempdir + "/" + glyphImg[9]},
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{ImageFilePath: tempdir + "/" + glyphImg[10]}, {ImageFilePath: tempdir + "/" + glyphImg[11]},
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}
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// create new image from grids
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rgba, err := gim.New(grids, vert, horz).Merge()
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if err != nil {
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panic(err)
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}
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// save the output to png
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file, err := os.Create(savename)
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err = png.Encode(file, rgba)
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if err != nil {
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fmt.Println(err)
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}
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}
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}
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