247 lines
7.3 KiB
Go
247 lines
7.3 KiB
Go
package mujica_test
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import (
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"image"
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"time"
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"github.com/egoist/mygo/ui"
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mujica "mujicaui"
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)
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// examplePhoto stands in for a decoded picture.
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var examplePhoto = image.NewRGBA(image.Rect(0, 0, 320, 180))
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func ExampleImageCropper() {
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crop := mujica.ImageCrop{} // empty: starts fitted to the image
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view := func(c *ui.Context) {
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mujica.Use(c, mujica.Settings{})
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if mujica.ImageCropper(c, examplePhoto, &crop, mujica.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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}
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func ExampleImageAnnotator() {
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photo := ui.NewBitmap(examplePhoto)
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var notes []mujica.Annotation
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view := func(c *ui.Context) {
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mujica.Use(c, mujica.Settings{})
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if mujica.ImageAnnotator(c, photo, ¬es, mujica.ImageAnnotatorOptions{}).Changed() {
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data, _ := mujica.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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}
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func ExampleImageThumbnail() {
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photo := ui.NewBitmap(examplePhoto)
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selected := false
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view := func(c *ui.Context) {
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mujica.Use(c, mujica.Settings{})
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if mujica.ImageThumbnail(c, photo, mujica.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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}
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func ExampleLightbox() {
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images := []mujica.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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mujica.Use(c, mujica.Settings{})
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if mujica.Button(c, "View photos", mujica.ButtonOptions{}).Clicked() {
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open = true
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}
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mujica.Lightbox(c, &open, &index, images)
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}
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ui.Render(view, 400, 300, 1)
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}
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func ExampleVideoPlayer() {
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st := mujica.VideoState{Duration: 4 * time.Minute, Rate: 1}
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view := func(c *ui.Context) {
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mujica.Use(c, mujica.Settings{})
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mujica.VideoPlayer(c, st, mujica.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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}
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func ExampleVideoScrubber() {
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pos := 30 * time.Second
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view := func(c *ui.Context) {
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mujica.Use(c, mujica.Settings{})
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mujica.VideoScrubber(c, &pos, mujica.VideoScrubberOptions{
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Duration: 2 * time.Minute,
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Buffered: []mujica.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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}
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func ExampleVideoThumbnailStrip() {
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frames := []mujica.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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mujica.Use(c, mujica.Settings{})
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if mujica.VideoThumbnailStrip(c, ¤t, frames, mujica.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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}
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func ExampleAudioPlayer() {
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st := mujica.AudioState{Title: "Overture", Duration: 3 * time.Minute}
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view := func(c *ui.Context) {
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mujica.Use(c, mujica.Settings{})
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mujica.AudioPlayer(c, st, mujica.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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}
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func ExampleAudioWaveform() {
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samples := make([]float32, 48000) // from your decoder, -1 to 1
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pos, sel := time.Duration(0), mujica.MediaRange{}
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view := func(c *ui.Context) {
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mujica.Use(c, mujica.Settings{})
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mujica.AudioWaveform(c, samples, mujica.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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}
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func ExampleAudioSpectrum() {
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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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mujica.Use(c, mujica.Settings{})
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mujica.AudioSpectrum(c, bands, mujica.AudioSpectrumOptions{})
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}
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ui.Render(view, 400, 300, 1)
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}
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func ExampleVolumeControl() {
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volume, muted := 0.8, false
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view := func(c *ui.Context) {
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mujica.Use(c, mujica.Settings{})
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mujica.VolumeControl(c, &volume, &muted, mujica.VolumeControlOptions{})
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}
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ui.Render(view, 400, 300, 1)
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}
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func ExamplePlaybackSpeedControl() {
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rate := 1.0
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view := func(c *ui.Context) {
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mujica.Use(c, mujica.Settings{})
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mujica.PlaybackSpeedControl(c, &rate, mujica.PlaybackSpeedControlOptions{})
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}
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ui.Render(view, 400, 300, 1)
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}
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func ExampleMediaControls() {
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st := mujica.MediaControlsState{}
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view := func(c *ui.Context) {
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mujica.Use(c, mujica.Settings{})
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mujica.MediaControls(c, st, mujica.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 mujica.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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}
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func ExamplePlaylist() {
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items := []mujica.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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mujica.Use(c, mujica.Settings{})
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if r := mujica.Playlist(c, &items, mujica.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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}
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func ExampleSubtitleEditor() {
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cues := []mujica.SubtitleCue{{Start: 0, End: 2 * time.Second, Text: "The curtain rises."}}
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view := func(c *ui.Context) {
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mujica.Use(c, mujica.Settings{})
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mujica.SubtitleEditor(c, &cues, mujica.SubtitleEditorOptions{})
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if len(mujica.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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}
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func ExampleScreenRecorderControls() {
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st := mujica.RecorderState{}
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view := func(c *ui.Context) {
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mujica.Use(c, mujica.Settings{})
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mujica.ScreenRecorderControls(c, st, mujica.ScreenRecorderControlsOptions{
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OnStart: func() { st.Status = mujica.RecorderRecording },
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OnPause: func() { st.Status = mujica.RecorderPaused },
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OnResume: func() { st.Status = mujica.RecorderRecording },
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OnStop: func() { st = mujica.RecorderState{} },
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})
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}
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ui.Render(view, 400, 300, 1)
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}
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func ExampleCameraPreview() {
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frame := mujica.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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mujica.Use(c, mujica.Settings{})
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mujica.CameraPreview(c, frame, &mirror, mujica.CameraPreviewOptions{})
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}
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ui.Render(view, 400, 300, 1)
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}
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func ExampleMicLevelMeter() {
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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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mujica.Use(c, mujica.Settings{})
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mujica.MicLevelMeter(c, level, mujica.MicLevelMeterOptions{})
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}
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ui.Render(view, 400, 300, 1)
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}
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func ExampleDeviceSelector() {
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devices := mujica.MediaDevices{
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Microphones: []mujica.MediaDevice{{ID: "mic-1", Name: "Built-in Microphone"}},
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Speakers: []mujica.MediaDevice{{ID: "out-1", Name: "Headphones"}},
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}
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sel := mujica.DeviceSelection{Microphone: "mic-1"}
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view := func(c *ui.Context) {
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mujica.Use(c, mujica.Settings{})
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mujica.DeviceSelector(c, &sel, devices, mujica.DeviceSelectorOptions{})
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}
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ui.Render(view, 400, 300, 1)
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}
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func ExampleImageCompare() {
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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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mujica.Use(c, mujica.Settings{})
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mujica.ImageCompare(c, before, after, &split, mujica.ImageCompareOptions{})
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}
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ui.Render(view, 400, 300, 1)
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}
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