mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-27 20:28:54 +01:00
60b7de6a3c
This change adds these APIs: * `type MonitorType` * `func (*MonitorType) Bounds() image.Rectangle` * `func (*MonitorType) Name() string` * `func Monitor() *MonitorType` * `func SetMonitor(*MonitorType)` * `func AppendMonitors([]*MonitorType) []*MonitorType` Closes #1835
128 lines
3.1 KiB
Go
128 lines
3.1 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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"flag"
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"fmt"
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"image/color"
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"log"
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"golang.org/x/image/font"
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"golang.org/x/image/font/opentype"
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"github.com/hajimehoshi/ebiten/v2"
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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"
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)
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var (
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mplusNormalFont font.Face
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)
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func init() {
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tt, err := opentype.Parse(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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const dpi = 72
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mplusNormalFont, err = opentype.NewFace(tt, &opentype.FaceOptions{
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Size: 24,
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DPI: dpi,
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Hinting: font.HintingFull,
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})
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if err != nil {
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log.Fatal(err)
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}
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}
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const (
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screenWidth = 640
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screenHeight = 480
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)
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type Game struct {
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monitors []*ebiten.MonitorType
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}
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func (g *Game) Update() error {
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// Refresh monitors.
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g.monitors = ebiten.AppendMonitors(g.monitors[:0])
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// Handle keypresses.
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if inpututil.IsKeyJustReleased(ebiten.KeyF) {
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ebiten.SetFullscreen(!ebiten.IsFullscreen())
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} else {
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for i, m := range g.monitors {
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if inpututil.IsKeyJustPressed(ebiten.KeyDigit0 + ebiten.Key(i)) {
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ebiten.SetWindowTitle(m.Name())
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ebiten.SetMonitor(m)
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}
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}
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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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const x = 0
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y := 24
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text.Draw(screen, "F to toggle fullscreen\n0-9 to change monitor", mplusNormalFont, x, y, color.White)
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y += 72
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for i, m := range g.monitors {
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text.Draw(screen, fmt.Sprintf("%d: %s %s", i, m.Name(), m.Bounds().String()), mplusNormalFont, x, y, color.White)
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y += 24
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}
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activeMonitor := ebiten.Monitor()
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for i, m := range g.monitors {
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if m == activeMonitor {
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text.Draw(screen, fmt.Sprintf("active: %s (%d)", m.Name(), i), mplusNormalFont, x, y, color.White)
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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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g := &Game{}
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// Allow the user to pass in a monitor flag to target a specific monitor.
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var monitor int
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flag.IntVar(&monitor, "monitor", 0, "target monitor index to run the program on")
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flag.Parse()
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// Read our monitors.
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g.monitors = ebiten.AppendMonitors(nil)
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// Ensure the user did not supply a monitor index beyond the range of available monitors. If they did, set the monitor to the primary.
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if monitor < 0 || monitor >= len(g.monitors) {
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monitor = 0
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}
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targetMonitor := g.monitors[monitor]
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ebiten.SetMonitor(targetMonitor)
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ebiten.SetWindowTitle(targetMonitor.Name())
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ebiten.SetWindowSize(screenWidth, screenHeight)
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if err := ebiten.RunGame(g); err != nil {
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log.Fatal(err)
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}
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}
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