69 lines
1.2 KiB
Go
69 lines
1.2 KiB
Go
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// unifont.bin: character-packed bitmap (16*16, 8*16 chars with the back half with zero)
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// unifont_width.bin: bitfield starting from highest bit, representing width of character (0-narrow, 1-wide)
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package main
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import (
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"bufio"
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"fmt"
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"os"
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"strings"
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)
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const (
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Count = 0xffff + 1
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SizeX = 8
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SizeY = 16
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)
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var (
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Filename = "unifont-13.0.06.hex"
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Data [Count * SizeX * SizeY * 2]byte
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WidthData [Count / 8]byte
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)
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func main() {
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if len(os.Args) > 1 {
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Filename = os.Args[1]
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}
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file, err := os.Open(Filename)
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if err != nil {
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panic(err)
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}
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sc := bufio.NewScanner(file)
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for sc.Scan() {
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line := sc.Text()
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parts := strings.Split(line, ":")
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var code int
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fmt.Sscanf(parts[0], "%X", &code)
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//fmt.Printf("Codepoint %02d(%02X): ",code,code)
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if len(parts[1]) == 64 { // Full-Width (16*16)
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WidthData[code/8] |= 1 << (7 - code%8)
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}
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basis := code * SizeX * SizeY * 2 / 8
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for i := 0; i < len(parts[1]); i += 2 {
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var num int
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fmt.Sscanf(parts[1][i:i+2], "%X", &num)
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//fmt.Printf("%02X",byte(num))
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Data[basis+i/2] = byte(num)
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}
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//fmt.Printf("\n")
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}
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os.WriteFile("unifont.bin", Data[:], 0644)
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os.WriteFile("unifont_width.bin", WidthData[:], 0644)
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}
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