private async Task ShareEmotion(EmotionData Data)
{
Chart chart = new BarChart();
chart = DayChart as BarChart;
chart.IsAnimated = false;
chart.Margin = 20;
chart.LabelColor = SKColors.Purple;
var bmp = new SKBitmap(500, 500);
var canvas = new SKCanvas(bmp);
var image = SKImage.FromPixels(bmp.PeekPixels());
chart.DrawContent(canvas, 500, 500);
canvas.Save();
using (MemoryStream ms = new MemoryStream())
{
image.Encode(SKEncodedImageFormat.Png, 4).AsStream().CopyTo(ms);
var str = Convert.ToBase64String(ms.ToArray());
bytes = Convert.FromBase64String(str);
}
try
{
PermissionStatus status = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Storage);
if (status != PermissionStatus.Granted)
{
var results = await CrossPermissions.Current.RequestPermissionsAsync(new[] { Permission.Storage });
status = results[Permission.Storage];
}
if (status != PermissionStatus.Granted)
{
return;
}
else
{
DependencyService.Get <IShare>()
.ShareContent("", "AboutSelf", ImageSource.FromStream(() => new MemoryStream(bytes)));
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
}
public void MicrochartChart()
{
var entries = new[]
{
new ChartEntry(212)
{
Label = "UWP",
ValueLabel = "112",
Color = SKColor.Parse("#2c3e50")
},
new ChartEntry(248)
{
Label = "Android",
ValueLabel = "648",
Color = SKColor.Parse("#77d065")
},
new ChartEntry(128)
{
Label = "iOS",
ValueLabel = "428",
Color = SKColor.Parse("#b455b6")
},
new ChartEntry(514)
{
Label = "Forms",
ValueLabel = "214",
Color = SKColor.Parse("#3498db")
}
};
RenderingTest
.Create()
.PageSize(400, 600)
.ProduceImages()
.ShowResults()
.Render(container =>
{
container
.Background(Colors.White)
.Padding(25)
.Column(column =>
{
column
.Item()
.PaddingBottom(10)
.Text("Chart example")
.FontSize(20)
.SemiBold()
.FontColor(Colors.Blue.Medium);
column
.Item()
.Border(1)
.ExtendHorizontal()
.Height(300)
.Canvas((canvas, size) =>
{
var chart = new BarChart
{
Entries = entries,
LabelOrientation = Orientation.Horizontal,
ValueLabelOrientation = Orientation.Horizontal,
IsAnimated = false,
};
chart.DrawContent(canvas, (int)size.Width, (int)size.Height);
});
});
});
}
private static void WriteImage(Options options, Summary summary, string file)
{
var chartEntries = new List <ChartEntry>();
double maxValue = 0;
foreach (var benchmarkReport in summary.Reports)
{
var meanMs = ConvertNanosecondsToMilliseconds(benchmarkReport.ResultStatistics.Mean);
if (meanMs > maxValue)
{
maxValue = meanMs;
}
}
foreach (var benchmarkReport in summary.Reports)
{
var meanMs = ConvertNanosecondsToMilliseconds(benchmarkReport.ResultStatistics.Mean);
var methodDisplayInfo = benchmarkReport.BenchmarkCase.Descriptor.WorkloadMethodDisplayInfo;
SKColor color;
if (methodDisplayInfo.Contains("Deserialize", StringComparison.OrdinalIgnoreCase))
{
color = SKColor.Parse("#ff944d");
}
else
{
color = SKColor.Parse("#6666ff");
}
var value = (float)(meanMs / maxValue);
chartEntries.Add(new ChartEntry(value)
{
ValueLabelColor = new SKColor(10, 10, 10),
TextColor = new SKColor(1, 10, 10),
Color = color,
Label = methodDisplayInfo,
ValueLabel = meanMs.ToString("#.## ms")
});
}
var chart = new BarChart
{
Entries = chartEntries,
LabelOrientation = Orientation.Horizontal,
ValueLabelOrientation = Orientation.Horizontal,
LabelTextSize = 14,
Typeface = SKTypeface.Default,
MaxValue = 1.15f,
AnimationDuration = TimeSpan.Zero,
};
chart.IsAnimated = true; //seems stupid but there is some strange bug when building on git actions where it tries to animate so do not remove this
chart.IsAnimated = false; //seems stupid but there is some strange bug when building on git actions where it tries to animate so do not remove this
var width = 1400;
var height = 700;
var info = new SKImageInfo(width, height, SKColorType.Rgba8888);
using (var surface = SKSurface.Create(info))
{
SKCanvas canvas = surface.Canvas;
canvas.Clear(SKColors.Transparent);
canvas.Translate(0, 100);
chart.DrawContent(canvas, width, height - 100);
canvas.Translate(0, -100);
var paint = new SKPaint
{
IsAntialias = true,
Color = new SKColor(0x2c, 0x3e, 0x50),
StrokeCap = SKStrokeCap.Round,
TextSize = 20
};
canvas.DrawText($"{DateTime.Now.ToLongDateString()} {options.Commit}", new SKPoint(50, 25), paint);
canvas.Flush();
canvas.Save();
var snapshot = surface.Snapshot();
using (var data = snapshot.Encode(SKEncodedImageFormat.Png, 80))
{
if (File.Exists(file))
{
File.Delete(file);
}
using (var stream = File.OpenWrite(file))
{
data.SaveTo(stream);
}
}
}
}