mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-15 07:27:32 +01:00
91 lines
1.9 KiB
Go
91 lines
1.9 KiB
Go
// Copyright 2022 The Ebitengine Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
//go:build ignore
|
|
|
|
package main
|
|
|
|
import (
|
|
"bufio"
|
|
"fmt"
|
|
"image"
|
|
"image/color"
|
|
"image/png"
|
|
"os"
|
|
|
|
"github.com/hajimehoshi/bitmapfont/v3"
|
|
"golang.org/x/image/font"
|
|
"golang.org/x/image/math/fixed"
|
|
)
|
|
|
|
func main() {
|
|
if err := run(); err != nil {
|
|
fmt.Fprintf(os.Stderr, "%v\n", err)
|
|
}
|
|
}
|
|
|
|
func run() error {
|
|
// These values are copied from an example in github.com/hajimehoshi/bitmapfont.
|
|
const (
|
|
charWidth = 6
|
|
lineHeight = 16
|
|
)
|
|
|
|
var lines []string
|
|
for j := 0; j < 8; j++ {
|
|
var line string
|
|
for i := 0; i < 32; i++ {
|
|
line += string(rune(i + j*32))
|
|
}
|
|
lines = append(lines, line)
|
|
}
|
|
|
|
dst := image.NewRGBA(image.Rect(0, 0, charWidth*32, lineHeight*8))
|
|
for i, clr := range []color.Color{color.RGBA{0, 0, 0, 0x80}, color.White} {
|
|
var offsetX int
|
|
var offsetY int
|
|
if i == 0 {
|
|
offsetX = 1
|
|
offsetY = 1
|
|
}
|
|
d := font.Drawer{
|
|
Dst: dst,
|
|
Src: image.NewUniform(clr),
|
|
Face: bitmapfont.Face,
|
|
Dot: fixed.Point26_6{X: fixed.I(offsetX), Y: bitmapfont.Face.Metrics().Ascent + fixed.I(offsetY)},
|
|
}
|
|
for _, line := range lines {
|
|
d.Dot.X = fixed.I(offsetX)
|
|
d.DrawString(line)
|
|
d.Dot.Y += fixed.I(lineHeight)
|
|
}
|
|
}
|
|
|
|
f, err := os.Create("text.png")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer f.Close()
|
|
|
|
w := bufio.NewWriter(f)
|
|
if err := png.Encode(w, dst); err != nil {
|
|
return err
|
|
}
|
|
if err := w.Flush(); err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|