mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-15 07:27:32 +01:00
287 lines
9.5 KiB
Go
287 lines
9.5 KiB
Go
// Copyright 2023 The Ebitengine Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"bytes"
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_ "embed"
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"image/color"
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"log"
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"golang.org/x/text/language"
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"github.com/hajimehoshi/ebiten/v2"
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"github.com/hajimehoshi/ebiten/v2/ebitenutil"
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"github.com/hajimehoshi/ebiten/v2/examples/resources/fonts"
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"github.com/hajimehoshi/ebiten/v2/inpututil"
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"github.com/hajimehoshi/ebiten/v2/text/v2"
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"github.com/hajimehoshi/ebiten/v2/vector"
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)
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//go:embed NotoSansArabic-Regular.ttf
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var arabicTTF []byte
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var arabicFaceSource *text.GoTextFaceSource
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func init() {
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s, err := text.NewGoTextFaceSource(bytes.NewReader(arabicTTF))
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if err != nil {
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log.Fatal(err)
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}
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arabicFaceSource = s
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}
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//go:embed NotoSansDevanagari-Regular.ttf
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var devanagariTTF []byte
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var devanagariFaceSource *text.GoTextFaceSource
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func init() {
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s, err := text.NewGoTextFaceSource(bytes.NewReader(devanagariTTF))
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if err != nil {
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log.Fatal(err)
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}
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devanagariFaceSource = s
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}
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//go:embed NotoSansThai-Regular.ttf
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var thaiTTF []byte
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var thaiFaceSource *text.GoTextFaceSource
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func init() {
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s, err := text.NewGoTextFaceSource(bytes.NewReader(thaiTTF))
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if err != nil {
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log.Fatal(err)
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}
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thaiFaceSource = s
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}
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//go:embed NotoSansMyanmar-Regular.ttf
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var myanmarTTF []byte
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var myanmarFaceSource *text.GoTextFaceSource
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func init() {
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s, err := text.NewGoTextFaceSource(bytes.NewReader(myanmarTTF))
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if err != nil {
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log.Fatal(err)
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}
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myanmarFaceSource = s
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}
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//go:embed NotoSansMongolian-Regular.ttf
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var mongolianTTF []byte
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var mongolianFaceSource *text.GoTextFaceSource
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func init() {
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s, err := text.NewGoTextFaceSource(bytes.NewReader(mongolianTTF))
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if err != nil {
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log.Fatal(err)
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}
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mongolianFaceSource = s
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}
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var japaneseFaceSource *text.GoTextFaceSource
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func init() {
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s, err := text.NewGoTextFaceSource(bytes.NewReader(fonts.MPlus1pRegular_ttf))
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if err != nil {
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log.Fatal(err)
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}
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japaneseFaceSource = s
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}
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const (
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screenWidth = 640
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screenHeight = 640
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)
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type Game struct {
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showOrigins bool
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}
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func (g *Game) Update() error {
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if inpututil.IsKeyJustPressed(ebiten.KeyO) {
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g.showOrigins = !g.showOrigins
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}
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return nil
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}
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func (g *Game) Draw(screen *ebiten.Image) {
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ebitenutil.DebugPrint(screen, "Press O to show/hide origins.\nRed points are the original origin positions.\nThe green points are the origin positions after applying the offset.")
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gray := color.RGBA{0x80, 0x80, 0x80, 0xff}
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{
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const arabicText = "لمّا كان الاعتراف بالكرامة المتأصلة في جميع"
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f := &text.GoTextFace{
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Source: arabicFaceSource,
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Direction: text.DirectionRightToLeft,
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Size: 24,
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Language: language.Arabic,
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}
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x, y := screenWidth-20, 50
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w, h := text.Measure(arabicText, f, 0)
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// The left upper point is not x but x-w, since the text runs in the rigth-to-left direction.
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vector.DrawFilledRect(screen, float32(x)-float32(w), float32(y), float32(w), float32(h), gray, false)
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op := &text.DrawOptions{}
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op.GeoM.Translate(float64(x), float64(y))
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text.Draw(screen, arabicText, f, op)
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if g.showOrigins {
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op := &text.LayoutOptions{}
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for _, g := range text.AppendGlyphs(nil, arabicText, f, op) {
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vector.DrawFilledCircle(screen, float32(x)+float32(g.OriginX+g.OriginOffsetX), float32(y)+float32(g.OriginY+g.OriginOffsetY), 2, color.RGBA{0, 0xff, 0, 0xff}, true)
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vector.DrawFilledCircle(screen, float32(x)+float32(g.OriginX), float32(y)+float32(g.OriginY), 2, color.RGBA{0xff, 0, 0, 0xff}, true)
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}
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}
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}
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{
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const hindiText = "चूंकि मानव परिवार के सभी सदस्यों के जन्मजात गौरव और समान"
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f := &text.GoTextFace{
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Source: devanagariFaceSource,
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Size: 24,
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Language: language.Hindi,
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}
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x, y := 20, 110
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w, h := text.Measure(hindiText, f, 0)
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vector.DrawFilledRect(screen, float32(x), float32(y), float32(w), float32(h), gray, false)
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op := &text.DrawOptions{}
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op.GeoM.Translate(float64(x), float64(y))
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text.Draw(screen, hindiText, f, op)
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if g.showOrigins {
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op := &text.LayoutOptions{}
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for _, g := range text.AppendGlyphs(nil, hindiText, f, op) {
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vector.DrawFilledCircle(screen, float32(x)+float32(g.OriginX+g.OriginOffsetX), float32(y)+float32(g.OriginY+g.OriginOffsetY), 2, color.RGBA{0, 0xff, 0, 0xff}, true)
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vector.DrawFilledCircle(screen, float32(x)+float32(g.OriginX), float32(y)+float32(g.OriginY), 2, color.RGBA{0xff, 0, 0, 0xff}, true)
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}
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}
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}
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{
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const myanmarText = "လူခပ်သိမ်း၏ မျိုးရိုးဂုဏ်သိက္ခာနှင့်တကွ"
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f := &text.GoTextFace{
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Source: myanmarFaceSource,
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Size: 24,
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Language: language.Burmese,
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}
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x, y := 20, 170
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w, h := text.Measure(myanmarText, f, 0)
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vector.DrawFilledRect(screen, float32(x), float32(y), float32(w), float32(h), gray, false)
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op := &text.DrawOptions{}
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op.GeoM.Translate(float64(x), float64(y))
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text.Draw(screen, myanmarText, f, op)
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if g.showOrigins {
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op := &text.LayoutOptions{}
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for _, g := range text.AppendGlyphs(nil, myanmarText, f, op) {
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vector.DrawFilledCircle(screen, float32(x)+float32(g.OriginX+g.OriginOffsetX), float32(y)+float32(g.OriginY+g.OriginOffsetY), 2, color.RGBA{0, 0xff, 0, 0xff}, true)
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vector.DrawFilledCircle(screen, float32(x)+float32(g.OriginX), float32(y)+float32(g.OriginY), 2, color.RGBA{0xff, 0, 0, 0xff}, true)
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}
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}
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}
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{
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const thaiText = "โดยที่การยอมรับนับถือเกียรติศักดิ์ประจำตัว"
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f := &text.GoTextFace{
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Source: thaiFaceSource,
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Size: 24,
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Language: language.Thai,
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}
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x, y := 20, 230
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w, h := text.Measure(thaiText, f, 0)
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vector.DrawFilledRect(screen, float32(x), float32(y), float32(w), float32(h), gray, false)
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op := &text.DrawOptions{}
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op.GeoM.Translate(float64(x), float64(y))
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text.Draw(screen, thaiText, f, op)
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if g.showOrigins {
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op := &text.LayoutOptions{}
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for _, g := range text.AppendGlyphs(nil, thaiText, f, op) {
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vector.DrawFilledCircle(screen, float32(x)+float32(g.OriginX+g.OriginOffsetX), float32(y)+float32(g.OriginY+g.OriginOffsetY), 2, color.RGBA{0, 0xff, 0, 0xff}, true)
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vector.DrawFilledCircle(screen, float32(x)+float32(g.OriginX), float32(y)+float32(g.OriginY), 2, color.RGBA{0xff, 0, 0, 0xff}, true)
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}
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}
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}
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{
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const mongolianText = "ᠬᠦᠮᠦᠨ ᠪᠦᠷ ᠲᠥᠷᠥᠵᠦ ᠮᠡᠨᠳᠡᠯᠡᠬᠦ\nᠡᠷᠬᠡ ᠴᠢᠯᠥᠭᠡ ᠲᠡᠢ᠂ ᠠᠳᠠᠯᠢᠬᠠᠨ"
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f := &text.GoTextFace{
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Source: mongolianFaceSource,
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Direction: text.DirectionTopToBottomAndLeftToRight,
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Size: 24,
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Language: language.Mongolian,
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// language.Mongolian.Script() returns "Cyrl" (Cyrillic), but we want Mongolian script here.
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Script: language.MustParseScript("Mong"),
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}
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const lineSpacing = 48
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x, y := 20, 290
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w, h := text.Measure(mongolianText, f, lineSpacing)
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vector.DrawFilledRect(screen, float32(x), float32(y), float32(w), float32(h), gray, false)
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op := &text.DrawOptions{}
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op.GeoM.Translate(float64(x), float64(y))
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op.LineSpacing = lineSpacing
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text.Draw(screen, mongolianText, f, op)
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if g.showOrigins {
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op := &text.LayoutOptions{}
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op.LineSpacing = lineSpacing
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for _, g := range text.AppendGlyphs(nil, mongolianText, f, op) {
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vector.DrawFilledCircle(screen, float32(x)+float32(g.OriginX+g.OriginOffsetX), float32(y)+float32(g.OriginY+g.OriginOffsetY), 2, color.RGBA{0, 0xff, 0, 0xff}, true)
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vector.DrawFilledCircle(screen, float32(x)+float32(g.OriginX), float32(y)+float32(g.OriginY), 2, color.RGBA{0xff, 0, 0, 0xff}, true)
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}
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}
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}
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{
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const japaneseText = "あのイーハトーヴォの\nすきとおった風、\n夏でも底に冷たさを\nもつ青いそら…\nあHello World.あ"
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f := &text.GoTextFace{
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Source: japaneseFaceSource,
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Direction: text.DirectionTopToBottomAndRightToLeft,
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Size: 24,
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Language: language.Japanese,
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}
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const lineSpacing = 48
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x, y := screenWidth-20, 290
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w, h := text.Measure(japaneseText, f, lineSpacing)
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// The left upper point is not x but x-w, since the text runs in the rigth-to-left direction as the secondary direction.
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vector.DrawFilledRect(screen, float32(x)-float32(w), float32(y), float32(w), float32(h), gray, false)
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op := &text.DrawOptions{}
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op.GeoM.Translate(float64(x), float64(y))
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op.LineSpacing = lineSpacing
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text.Draw(screen, japaneseText, f, op)
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if g.showOrigins {
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op := &text.LayoutOptions{}
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op.LineSpacing = lineSpacing
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for _, g := range text.AppendGlyphs(nil, japaneseText, f, op) {
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vector.DrawFilledCircle(screen, float32(x)+float32(g.OriginX), float32(y)+float32(g.OriginY), 2, color.RGBA{0xff, 0, 0, 0xff}, true)
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vector.DrawFilledCircle(screen, float32(x)+float32(g.OriginX+g.OriginOffsetX), float32(y)+float32(g.OriginY+g.OriginOffsetY), 2, color.RGBA{0, 0xff, 0, 0xff}, true)
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}
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}
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}
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}
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func (g *Game) Layout(outsideWidth, outsideHeight int) (int, int) {
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return screenWidth, screenHeight
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}
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func main() {
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ebiten.SetWindowSize(screenWidth, screenHeight)
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ebiten.SetWindowTitle("Text I18N (Ebitengine Demo)")
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if err := ebiten.RunGame(&Game{}); err != nil {
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log.Fatal(err)
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}
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}
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