diff options
Diffstat (limited to 'Xamarin.Forms.Platform.Tizen/Forms.cs')
| -rw-r--r-- | Xamarin.Forms.Platform.Tizen/Forms.cs | 90 |
1 files changed, 89 insertions, 1 deletions
diff --git a/Xamarin.Forms.Platform.Tizen/Forms.cs b/Xamarin.Forms.Platform.Tizen/Forms.cs index 892faf58..1a2d7bd6 100644 --- a/Xamarin.Forms.Platform.Tizen/Forms.cs +++ b/Xamarin.Forms.Platform.Tizen/Forms.cs @@ -17,6 +17,13 @@ namespace Xamarin.Forms.Platform.Tizen TSystemInfo.TryGetValue<int>("http://tizen.org/feature/screen.dpi", out dpi); return dpi; }); + + static Lazy<double> s_elmScale = new Lazy<double>(() => + { + // 72.0 is from EFL which is using fixed DPI value (72.0) to determine font size internally. Thus, we are restoring the size by deviding the DPI by 72.0 here. + return s_dpi.Value / 72.0 / Elementary.GetScale(); + }); + class TizenDeviceInfo : DeviceInfo { readonly Size pixelScreenSize; @@ -68,6 +75,11 @@ namespace Xamarin.Forms.Platform.Tizen TSystemInfo.TryGetValue("http://tizen.org/feature/screen.height", out height); scalingFactor = 1.0; // scaling is disabled, we're using pixels as Xamarin's geometry units + if (_useDeviceIndependentPixel) + { + scalingFactor = s_dpi.Value / 160.0; + } + pixelScreenSize = new Size(width, height); scaledScreenSize = new Size(width / scalingFactor, height / scalingFactor); @@ -76,6 +88,8 @@ namespace Xamarin.Forms.Platform.Tizen } } + static bool _useDeviceIndependentPixel = false; + public static event EventHandler<ViewInitializedEventArgs> ViewInitialized; public static FormsApplication Context @@ -116,6 +130,12 @@ namespace Xamarin.Forms.Platform.Tizen public static void Init(FormsApplication application) { + Init(application, false); + } + + public static void Init(FormsApplication application, bool useDeviceIndependentPixel) + { + _useDeviceIndependentPixel = useDeviceIndependentPixel; SetupInit(application); } @@ -186,7 +206,7 @@ namespace Xamarin.Forms.Platform.Tizen { Device.Idiom = TargetIdiom.TV; } - else if ( profile == "desktop") + else if (profile == "desktop") { Device.Idiom = TargetIdiom.Desktop; } @@ -210,10 +230,78 @@ namespace Xamarin.Forms.Platform.Tizen return Color.Black; } + /// <summary> + /// Converts the dp into pixel considering current DPI value. + /// </summary> + /// <remarks> + /// Use this API if you want to get pixel size without scaling factor. + /// </remarks> + /// <param name="dp"></param> + /// <returns></returns> internal static int ConvertToPixel(double dp) { return (int)Math.Round(dp * s_dpi.Value / 160.0); } + + /// <summary> + /// Converts the dp into pixel by using scaling factor. + /// </summary> + /// <remarks> + /// Use this API if you want to get pixel size from dp by using scaling factor. + /// If the scaling factor is 1.0 by user setting, the same value is returned. This is mean that user doesn't want to pixel independent metric. + /// </remarks> + /// <param name="dp"></param> + /// <returns></returns> + internal static int ConvertToScaledPixel(double dp) + { + return (int)Math.Round(dp * Device.Info.ScalingFactor); + } + + /// <summary> + /// Converts the pixel into dp value by using scaling factor. + /// </summary> + /// <remarks> + /// If the scaling factor is 1.0 by user setting, the same value is returned. This is mean that user doesn't want to pixel independent metric. + /// </remarks> + /// <param name="pixel"></param> + /// <returns></returns> + internal static double ConvertToScaledDP(int pixel) + { + return pixel / Device.Info.ScalingFactor; + } + + /// <summary> + /// Converts the pixel into dp value by using scaling factor. + /// </summary> + /// <remarks> + /// If the scaling factor is 1.0 by user setting, the same value is returned. This is mean that user doesn't want to pixel independent metric. + /// </remarks> + /// <param name="pixel"></param> + /// <returns></returns> + internal static double ConvertToScaledDP(double pixel) + { + return pixel / Device.Info.ScalingFactor; + } + + /// <summary> + /// Converts the sp into EFL's font size metric (EFL point). + /// </summary> + /// <param name="sp"></param> + /// <returns></returns> + internal static int ConvertToEflFontPoint(double sp) + { + return (int)Math.Round(sp * s_elmScale.Value); + } + + /// <summary> + /// Convert the EFL's point into sp. + /// </summary> + /// <param name="eflPt"></param> + /// <returns></returns> + internal static double ConvertToDPFont(int eflPt) + { + return eflPt / s_elmScale.Value; + } } class TizenExpressionSearch : ExpressionVisitor, IExpressionSearch |