179 lines
6.6 KiB
Go
179 lines
6.6 KiB
Go
package main
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// Media page snippets, each its compiled Example's body.
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const (
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imageCropperCode = `crop := media.ImageCrop{} // empty: starts fitted to the image
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view := func(c *ui.Context) {
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core.Use(c, core.Settings{})
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if media.ImageCropper(c, examplePhoto, &crop, media.ImageCropperOptions{Aspect: 1}).Changed() {
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_ = crop.Rect // in pixels of the photo turned by crop.Rotation
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}
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}
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ui.Render(view, 400, 300, 1)`
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imageAnnotatorCode = `photo := ui.NewBitmap(examplePhoto)
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var notes []media.Annotation
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view := func(c *ui.Context) {
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core.Use(c, core.Settings{})
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if media.ImageAnnotator(c, photo, ¬es, media.ImageAnnotatorOptions{}).Changed() {
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data, _ := media.ExportAnnotations(notes)
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_ = data // save the JSON
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}
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}
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ui.Render(view, 400, 300, 1)`
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imageThumbnailCode = `photo := ui.NewBitmap(examplePhoto)
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selected := false
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view := func(c *ui.Context) {
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core.Use(c, core.Settings{})
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if media.ImageThumbnail(c, photo, media.ImageThumbnailOptions{Alt: "Grand hall", Aspect: 4.0 / 3, Selected: selected}).Changed() {
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selected = !selected
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}
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}
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ui.Render(view, 400, 300, 1)`
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lightboxCode = `images := []data.ViewerImage{{Source: ui.NewBitmap(examplePhoto), Alt: "The grand hall"}}
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open, index := false, 0
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view := func(c *ui.Context) {
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core.Use(c, core.Settings{})
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if input.Button(c, "View photos", input.ButtonOptions{}).Clicked() {
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open = true
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}
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media.Lightbox(c, &open, &index, images)
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}
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ui.Render(view, 400, 300, 1)`
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videoPlayerCode = `st := media.VideoState{Duration: 4 * time.Minute, Rate: 1}
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view := func(c *ui.Context) {
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core.Use(c, core.Settings{})
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media.VideoPlayer(c, st, media.VideoPlayerOptions{
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OnPlay: func() { st.Playing = true }, // start your decoder
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OnPause: func() { st.Playing = false }, // pause it
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OnSeek: func(d time.Duration) { st.Position = d },
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OnRate: func(r float64) { st.Rate = r },
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})
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}
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ui.Render(view, 400, 300, 1)`
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videoScrubberCode = `pos := 30 * time.Second
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view := func(c *ui.Context) {
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core.Use(c, core.Settings{})
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media.VideoScrubber(c, &pos, media.VideoScrubberOptions{
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Duration: 2 * time.Minute,
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Buffered: []media.MediaRange{{Start: 0, End: time.Minute}},
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})
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}
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ui.Render(view, 400, 300, 1)`
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videoStripCode = `frames := []media.StripFrame{{At: 0}, {At: 10 * time.Second}, {At: 20 * time.Second}}
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current := 0
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view := func(c *ui.Context) {
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core.Use(c, core.Settings{})
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if media.VideoThumbnailStrip(c, ¤t, frames, media.VideoThumbnailStripOptions{}).Changed() {
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_ = frames[current].At // seek the player there
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}
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}
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ui.Render(view, 400, 300, 1)`
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audioPlayerCode = `st := media.AudioState{Title: "Overture", Duration: 3 * time.Minute}
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view := func(c *ui.Context) {
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core.Use(c, core.Settings{})
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media.AudioPlayer(c, st, media.AudioPlayerOptions{
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OnPlay: func() { st.Playing = true },
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OnPause: func() { st.Playing = false },
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OnSeek: func(d time.Duration) { st.Position = d },
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})
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}
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ui.Render(view, 400, 300, 1)`
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audioWaveformCode = `samples := make([]float32, 48000) // from your decoder, -1 to 1
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pos, sel := time.Duration(0), media.MediaRange{}
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view := func(c *ui.Context) {
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core.Use(c, core.Settings{})
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media.AudioWaveform(c, samples, media.AudioWaveformOptions{
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Duration: time.Second, Position: pos, Selection: &sel,
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OnSeek: func(d time.Duration) { pos = d },
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})
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}
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ui.Render(view, 400, 300, 1)`
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audioSpectrumCode = `bands := []float32{0.2, 0.6, 0.9, 0.4, 0.1} // set by your analyser, then c.Invalidate()
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view := func(c *ui.Context) {
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core.Use(c, core.Settings{})
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media.AudioSpectrum(c, bands, media.AudioSpectrumOptions{})
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}
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ui.Render(view, 400, 300, 1)`
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volumeCode = `volume, muted := 0.8, false
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view := func(c *ui.Context) {
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core.Use(c, core.Settings{})
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media.VolumeControl(c, &volume, &muted, media.VolumeControlOptions{})
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}
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ui.Render(view, 400, 300, 1)`
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speedCode = `rate := 1.0
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view := func(c *ui.Context) {
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core.Use(c, core.Settings{})
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media.PlaybackSpeedControl(c, &rate, media.PlaybackSpeedControlOptions{})
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}
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ui.Render(view, 400, 300, 1)`
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mediaControlsCode = `st := media.MediaControlsState{}
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view := func(c *ui.Context) {
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core.Use(c, core.Settings{})
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media.MediaControls(c, st, media.MediaControlsOptions{
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OnPrevious: func() {}, OnNext: func() {},
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OnPlay: func() { st.Playing = true }, OnPause: func() { st.Playing = false },
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OnLoop: func(m media.LoopMode) { st.Loop = m }, OnShuffle: func(on bool) { st.Shuffle = on },
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})
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}
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ui.Render(view, 400, 300, 1)`
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playlistCode = `items := []media.PlaylistItem{{ID: "a", Title: "Overture"}, {ID: "b", Title: "Masquerade"}}
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current := "a"
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view := func(c *ui.Context) {
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core.Use(c, core.Settings{})
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if r := media.Playlist(c, &items, media.PlaylistOptions{Current: current}); r.Played != "" {
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current = r.Played
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}
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}
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ui.Render(view, 400, 300, 1)`
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subtitleCode = `cues := []media.SubtitleCue{{Start: 0, End: 2 * time.Second, Text: "The curtain rises."}}
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view := func(c *ui.Context) {
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core.Use(c, core.Settings{})
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media.SubtitleEditor(c, &cues, media.SubtitleEditorOptions{})
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if len(media.CheckSubtitles(cues)) > 0 {
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_ = cues // block saving until the issues are fixed
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}
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}
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ui.Render(view, 400, 300, 1)`
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recorderCode = `st := media.RecorderState{}
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view := func(c *ui.Context) {
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core.Use(c, core.Settings{})
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media.ScreenRecorderControls(c, st, media.ScreenRecorderControlsOptions{
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OnStart: func() { st.Status = media.RecorderRecording },
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OnPause: func() { st.Status = media.RecorderPaused },
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OnResume: func() { st.Status = media.RecorderRecording },
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OnStop: func() { st = media.RecorderState{} },
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})
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}
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ui.Render(view, 400, 300, 1)`
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cameraCode = `frame := media.CameraFrame{Image: examplePhoto, Seq: 1} // a new Seq for each captured frame
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mirror := true
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view := func(c *ui.Context) {
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core.Use(c, core.Settings{})
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media.CameraPreview(c, frame, &mirror, media.CameraPreviewOptions{})
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}
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ui.Render(view, 400, 300, 1)`
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micCode = `level := float32(0.4) // the input's peak, 0 to 1 of full scale
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view := func(c *ui.Context) {
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core.Use(c, core.Settings{})
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media.MicLevelMeter(c, level, media.MicLevelMeterOptions{})
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}
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ui.Render(view, 400, 300, 1)`
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deviceCode = `devices := media.MediaDevices{
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Microphones: []media.MediaDevice{{ID: "mic-1", Name: "Built-in Microphone"}},
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Speakers: []media.MediaDevice{{ID: "out-1", Name: "Headphones"}},
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}
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sel := media.DeviceSelection{Microphone: "mic-1"}
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view := func(c *ui.Context) {
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core.Use(c, core.Settings{})
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media.DeviceSelector(c, &sel, devices, media.DeviceSelectorOptions{})
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}
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ui.Render(view, 400, 300, 1)`
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compareCode = `before, after := ui.NewBitmap(examplePhoto), ui.NewBitmap(examplePhoto)
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split := 0.5
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view := func(c *ui.Context) {
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core.Use(c, core.Settings{})
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media.ImageCompare(c, before, after, &split, media.ImageCompareOptions{})
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}
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ui.Render(view, 400, 300, 1)`
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)
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