We use cookies to give you the best experience on our website. If you continue to browse, then you agree to our privacy policy and cookie policy.
Thread ID: |
Created: |
Updated: |
Platform: |
Replies: |
| 141502 | Dec 14,2018 10:32 AM UTC | Dec 16,2018 05:37 AM UTC | Xamarin.Forms | 1 |
|
Tags: SfChart |
|
public interface IChartDependencyService
{
List<Color> GetColors(SfChart chart);
}
private void GetColors_Clicked(object sender, EventArgs e)
{
List<Color> colors = DependencyService.Get<IChartDependencyService>().GetColors(Chart);
} |
|
public class AndroidDependencyService : IChartDependencyService
{
public List<Color> GetColors(SfChart chart)
{
var nativeChart = SfChartRenderer.GetNativeObject(typeof(SfChart), chart) as native.SfChart;
List<Android.Graphics.Color> colorCollection = nativeChart.ColorModel.GetColors(nativeChart.ColorModel.ColorPalette);
List<Color> colors= new List<Color>();
foreach(var color in colorCollection)
{
colors.Add(GetFormsColor(color));
}
return colors;
}
internal static Color GetFormsColor(Android.Graphics.Color color)
{
return Color.FromRgba(color.R, color.G, color.B, color.A);
}
} |
|
Public class iOSDependencyService : IChartDependencyService
{
public List<Color> GetColors(SfChart chart)
{
var nativeChart = SfChartRenderer.GetNativeObject(typeof(SfChart), chart) as native.SFChart;
List<UIColor> colorCollection = nativeChart.ColorModel.GetColors(nativeChart.ColorModel.Palette);
List<Color> colors = new List<Color>();
foreach (var color in colorCollection)
{
colors.Add(GetFormsColor(color));
}
return colors;
}
internal static Color GetFormsColor(UIColor color)
{
if (color == null)
{
return Color.Default;
}
float red = 0.0f;
float green = 0.0f;
float blue = 0.0f;
float alpha = 0.0f;
CGColor colorRef = color.CGColor;
nfloat[] RGBAcomponents = colorRef.Components;
if (RGBAcomponents.Count() < 4)
{
return Color.Default;
}
red = (float)RGBAcomponents[0];
green = (float)RGBAcomponents[1];
blue = (float)RGBAcomponents[2];
alpha = (float)RGBAcomponents[3];
return Color.FromRgba(red, green, blue, alpha);
}
} |
|
public class UWPDependencyService : IChartDependencyService
{
public List<Color> GetColors(SfChart chart)
{
var nativeChart = SfChartRenderer.GetNativeObject(typeof(SfChart), chart) as native.SfChart;
List<Brush> brushes = nativeChart.ColorModel.GetBrushes(nativeChart.Palette);
List<Color> colors = new List<Color>();
foreach (var brush in brushes)
{
colors.Add(GetFormsColor((brush as SolidColorBrush).Color));
}
return colors;
}
internal static Xamarin.Forms.Color GetFormsColor(Windows.UI.Color color)
{
return Xamarin.Forms.Color.FromRgba(color.R, color.G, color.B, color.A);
}
} |
This post will be permanently deleted. Are you sure you want to continue?
Sorry, An error occured while processing your request. Please try again later.
This page will automatically be redirected to the sign-in page in 10 seconds.
You are using an outdated version of Internet Explorer that may not display all features of this and other websites. Upgrade to Internet Explorer 8 or newer for a better experience.
