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Merged
merged 1 commit into from
Jul 18, 2022
Merged

tinyfontgen: Added support for generating fonts from ttf #37

merged 1 commit into from
Jul 18, 2022

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sago35
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@sago35 sago35 commented Jul 16, 2022 •
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This PR adds the ability to create tinyfont from ttf-font.

For example, it can be generated and used with the following command.

$ go run ./cmd/tinyfontgen-ttf --size 32 --package rubikmoonrocks --fontname RubikMoonrocks ./_fonts/RubikMoonrocks-Regular.ttf --output rubikmoonrocks/font.go

$ tinygo flash --target wioterminal --size short ./examples/ttf
   code    data     bss |   flash     ram
  36052     228    6240 |   36280    6468

file : ./examples/ttf

package main

import (
	"image/color"

	"tinygo.org/x/drivers/ili9341"
	"tinygo.org/x/tinyfont"
	"tinygo.org/x/tinyfont/examples/initdisplay"
	"tinygo.org/x/tinyfont/rubikmoonrocks"
)

var (
	font = &rubikmoonrocks.RubikMoonrocks
)

func main() {
	display := initdisplay.InitDisplay()
	dev := display.(*ili9341.Device)
	dev.SetRotation(ili9341.Rotation270)

	tinyfont.WriteLine(display, font, 5, 50, "tinyfont", color.RGBA{0x00, 0x00, 0x00, 0xFF})
	tinyfont.WriteLine(display, font, 5, 100, font.Name, color.RGBA{0x00, 0x00, 0x00, 0xFF})

	select {}
}

font : https://fonts.google.com/specimen/Rubik+Moonrocks?query=rub

@sago35
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sago35 commented Jul 16, 2022

Since most of the font data is stored in ROM, it is easier to use even higher resolution fonts than before.
Currently, only the combination of white background and black text color is supported.
In the future, it should be possible to create them in a variety of colors.

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sago35 commented Jul 16, 2022 •
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font : https://fonts.google.com/specimen/Rubik+Moonrocks?query=rub
IMG_20220716_115752.jpg

font : https://fonts.google.com/noto/specimen/Noto+Sans+JP (japanese)
mb52ih.jpg

deadprogram
deadprogram approved these changes Jul 16, 2022
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🔡 大

@sago35
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sago35 commented Jul 18, 2022

Thanks for the review.
Merged.

@sago35 sago35 merged commit 9b135c3 into dev Jul 18, 2022
@sago35 sago35 deleted the tinyfontgen-ttf branch July 18, 2022 11:57
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