public async Task Clear()
{
var bitmap = default(WriteableBitmap);
var success = default(bool);
var info = default(BitmapHelper.RenderInfo);
await Windows.Invoke(() =>
{
bitmap = this.Bitmap;
success = bitmap.TryLock(LockTimeout);
if (!success)
{
return;
}
info = BitmapHelper.CreateRenderInfo(bitmap, Colors.Transparent);
}).ConfigureAwait(false);
BitmapHelper.Clear(info);
await Windows.Invoke(() =>
{
bitmap.AddDirtyRect(new Int32Rect(0, 0, bitmap.PixelWidth, bitmap.PixelHeight));
bitmap.Unlock();
}).ConfigureAwait(false);
}
private static void Render(BitmapHelper.RenderInfo info, SpectrumRendererData rendererData)
{
var elements = rendererData.Elements;
var peaks = rendererData.Peaks;
BitmapHelper.Clear(info);
for (var a = 0; a < rendererData.Count; a++)
{
BitmapHelper.DrawRectangle(
info,
elements[a].X,
elements[a].Y,
elements[a].Width,
elements[a].Height
);
if (peaks != null)
{
if (peaks[a].Y >= elements[a].Y)
{
continue;
}
BitmapHelper.DrawRectangle(
info,
peaks[a].X,
peaks[a].Y,
peaks[a].Width,
peaks[a].Height
);
}
}
}
protected virtual Task Clear()
{
return(Windows.Invoke(() =>
{
if (!this.Bitmap.TryLock(LockTimeout))
{
return;
}
BitmapHelper.Clear(BitmapHelper.CreateRenderInfo(this.Bitmap, this.Color));
this.Bitmap.AddDirtyRect(new Int32Rect(0, 0, this.Bitmap.PixelWidth, this.Bitmap.PixelHeight));
this.Bitmap.Unlock();
}));
}
public static void Render(WaveFormRendererData rendererData, BitmapHelper.RenderInfo waveRenderInfo, BitmapHelper.RenderInfo powerRenderInfo, bool rms, WaveFormRendererMode mode)
{
BitmapHelper.Clear(waveRenderInfo);
switch (mode)
{
case WaveFormRendererMode.Mono:
RenderMono(rendererData, waveRenderInfo, powerRenderInfo, rms);
break;
case WaveFormRendererMode.Seperate:
RenderSeperate(rendererData, waveRenderInfo, powerRenderInfo, rms);
break;
default:
throw new NotImplementedException();
}
}
private static void Render(BitmapHelper.RenderInfo info, OscilloscopeRendererData data)
{
BitmapHelper.Clear(info);
if (data.Elements != null)
{
switch (data.Mode)
{
default:
case OscilloscopeRendererMode.Mono:
RenderMono(info, data.Elements, data.Width);
break;
case OscilloscopeRendererMode.Seperate:
RenderSeperate(info, data.Elements, data.Channels, data.Width);
break;
}
}
}
private static void Render(BitmapHelper.RenderInfo valueRenderInfo, BitmapHelper.RenderInfo rmsRenderInfo, PeakRendererData rendererData)
{
var valueElements = rendererData.ValueElements;
var rmsElements = rendererData.RmsElements;
var peakElements = rendererData.PeakElements;
var orientation = rendererData.Orientation;
BitmapHelper.Clear(valueRenderInfo);
if (valueElements != null)
{
for (var a = 0; a < valueElements.Length; a++)
{
BitmapHelper.DrawRectangle(
valueRenderInfo,
valueElements[a].X,
valueElements[a].Y,
valueElements[a].Width,
valueElements[a].Height
);
if (rmsElements != null)
{
if (rmsElements[a].Height > 0)
{
BitmapHelper.DrawRectangle(
rmsRenderInfo,
rmsElements[a].X,
rmsElements[a].Y,
rmsElements[a].Width,
rmsElements[a].Height
);
}
}
if (peakElements != null)
{
if (orientation == Orientation.Horizontal)
{
if (peakElements[a].X > valueElements[a].Width)
{
BitmapHelper.DrawRectangle(
valueRenderInfo,
peakElements[a].X,
peakElements[a].Y,
peakElements[a].Width,
peakElements[a].Height
);
}
}
else if (orientation == Orientation.Vertical)
{
if (peakElements[a].Y < valueElements[a].Y)
{
BitmapHelper.DrawRectangle(
valueRenderInfo,
peakElements[a].X,
peakElements[a].Y,
peakElements[a].Width,
peakElements[a].Height
);
}
}
}
}
}
}
private static void Render(BitmapHelper.RenderInfo valueRenderInfo, BitmapHelper.RenderInfo rmsRenderInfo, BitmapHelper.RenderInfo crestRenderInfo, SpectrumRendererData rendererData)
{
var valueElements = rendererData.ValueElements;
var rmsElements = rendererData.RmsElements;
var crestPoints = rendererData.CrestPoints;
var peakElements = rendererData.PeakElements;
BitmapHelper.Clear(valueRenderInfo);
for (var a = 0; a < valueElements.Length; a++)
{
BitmapHelper.DrawRectangle(
valueRenderInfo,
valueElements[a].X,
valueElements[a].Y,
valueElements[a].Width,
valueElements[a].Height
);
if (rmsElements != null)
{
if (rmsElements[a].Height > 0)
{
BitmapHelper.DrawRectangle(
rmsRenderInfo,
rmsElements[a].X,
rmsElements[a].Y,
rmsElements[a].Width,
rmsElements[a].Height
);
}
}
if (peakElements != null)
{
if (peakElements[a].Y < valueElements[a].Y)
{
BitmapHelper.DrawRectangle(
valueRenderInfo,
peakElements[a].X,
peakElements[a].Y,
peakElements[a].Width,
peakElements[a].Height
);
}
}
}
if (crestPoints != null)
{
for (var a = 0; a < crestPoints.Length - 1; a++)
{
var point1 = crestPoints[a];
var point2 = crestPoints[a + 1];
BitmapHelper.DrawLine(
crestRenderInfo,
point1.X,
point1.Y,
point2.X,
point2.Y
);
}
}
}