protected async override void OnCreate(Bundle bundle) { base.OnCreate(bundle); // Set our view from the "main" layout resource SetContentView(Resource.Layout.Main); var btnFetchImage = FindViewById <Button> (Resource.Id.btnFetchImage); btnFetchImage.Click += (sender, e) => { var p = new Palette.Builder(bitmapFoundation) .Generate(); RunOnUiThread(() => SetPalette(p)); }; bitmapFoundation = await BitmapFactory.DecodeResourceAsync(Resources, Resource.Drawable.viva); }
public void Colorize(Bitmap bitmap) { Palette palette = new Palette.Builder(bitmap).Generate(); ApplyPalette(palette); }
public void Colorize (Bitmap bitmap) { Palette palette = new Palette.Builder (bitmap).Generate (); ApplyPalette (palette); }
public async System.Threading.Tasks.Task <ThemeColors> GetColorAsync(ImageSource imageSource) { IImageSourceHandler handler; ThemeColors themeColors = new ThemeColors(); if (imageSource is FileImageSource) { handler = new FileImageSourceHandler(); } else if (imageSource is StreamImageSource) { handler = new StreamImagesourceHandler(); // sic } else if (imageSource is UriImageSource) { handler = new ImageLoaderSourceHandler(); // sic } else { return(themeColors); } var bitmap = await handler.LoadImageAsync(imageSource, Android.App.Application.Context); if (bitmap == null) { return(themeColors); } Palette.Builder builder = Palette.From(bitmap); Palette palette = builder.Generate(); Swatch swatch = null; if (palette.VibrantSwatch != null) { swatch = palette.VibrantSwatch; } else if (palette.LightVibrantSwatch != null) { swatch = palette.LightVibrantSwatch; } else if (palette.LightMutedSwatch != null) { swatch = palette.LightMutedSwatch; } else if (palette.DarkVibrantSwatch != null) { swatch = palette.DarkVibrantSwatch; } else if (palette.DarkMutedSwatch != null) { swatch = palette.DarkMutedSwatch; } int bgcolor = 0, textcolor = 0, titltcolor = 0; if (swatch != null) { bgcolor = swatch.Rgb; textcolor = swatch.BodyTextColor; titltcolor = swatch.TitleTextColor; } themeColors.SetColor(bgcolor, textcolor, titltcolor); return(themeColors); }