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Description

Simple monospaced pixel font package for golang

Programming language: Go
License: GNU General Public License v3.0 only
Tags: Images     Fonts     Draws    

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README

fopix

Simple monospaced pixel font package for golang

Partly idea taken from: pixfont

Installation

go get github.com/toelsiba/fopix

Fonts

Font files are available in the directory [fonts](fonts). Fonts is saved in JSON format.

Digits 3x3

[digits-3x3](images/digits-3x3.png)

Digits 3x4

[digits-3x4](images/digits-3x4.png)

Digits 3x5

[digits-3x5](images/digits-3x5.png)

3x3 Font for Nerds

[font-3x3-ascii](images/font-3x3-ascii.png)

[font-3x3-multiline](images/font-3x3-multiline.png)

Victor

[victor-ascii](images/victor-ascii.png)

[victor-multiline](images/victor-multiline.png)

Miniwi

[miniwi-ascii](images/miniwi-ascii.png)

[miniwi-multiline](images/miniwi-multiline.png)

Tom Thumb

[tom-thumb-ascii](images/tom-thumb-ascii.png)

[tom-thumb-multiline](images/tom-thumb-multiline.png)

Tom Thumb New

[tom-thumb-new-ascii](images/tom-thumb-new-ascii.png)

[tom-thumb-new-multiline](images/tom-thumb-new-multiline.png)

Pixefon

[pixefon-ascii](images/pixefon-4x5-ascii.png)

[pixefon-multiline](images/pixefon-4x5-multiline.png)

VGA CP437

[cp437-table](images/cp437-table.png)

[cp437-text](images/cp437-text.png)


Examples

using existing font

package main

import (
    "image"
    "log"

    "github.com/toelsiba/fopix"
    "github.com/toelsiba/fopix/imutil"
)

func main() {

    f, err := fopix.NewFromFile("../../fonts/tom-thumb-new.json")
    if err != nil {
        log.Fatal(err)
    }
    f.Scale(5)

    const text = "Hello, World!"

    m := image.NewRGBA(f.GetTextBounds(text))

    f.DrawText(m, image.ZP, text)

    if err = imutil.ImageSaveToPNG("hello-world.png", m); err != nil {
        log.Fatal(err)
    }
}

Result image

[hello-world](images/hello-world.png)

using custom font

package main

import (
    "image"
    "image/color"
    "log"

    "github.com/toelsiba/fopix"
    "github.com/toelsiba/fopix/imutil"
)

// custom font
var gopherFont = fopix.FontInfo{
    Name:        "Go font",
    Author:      "Gopher",
    Description: "something ...",
    Size:        fopix.Size{Dx: 6, Dy: 7},
    AnchorPos:   image.Point{0, 0},
    TargetChar:  '0',
    CharSet: []fopix.RuneInfo{
        fopix.RuneInfo{
            Character: 'G',
            Bitmap: []string{
                "-000-",
                "0---0",
                "0----",
                "0-000",
                "0---0",
                "-000-",
            },
        },
        fopix.RuneInfo{
            Character: 'o',
            Bitmap: []string{
                "-----",
                "-----",
                "-000-",
                "0---0",
                "0---0",
                "-000-",
            },
        },
    },
}

func main() {

    f, err := fopix.New(gopherFont)
    if err != nil {
        log.Fatal(err)
    }
    f.Scale(10)
    f.Color(color.RGBA{0, 0, 0xFF, 0xFF})

    text := "Go"

    m := image.NewRGBA(f.GetTextBounds(text))

    imutil.ImageSolidFill(m, color.White)

    f.DrawText(m, image.ZP, text)

    if err = imutil.ImageSaveToPNG("go-font.png", m); err != nil {
        log.Fatal(err)
    }
}

Result image

[go-font](images/go-font.png)