public override void SetBrushStyle(VectorBrushStyle value)
{
StopSelectionMode();
switch (mBrushStyle = value)
{
case VectorBrushStyle.Pen:
mActiveTool = new PenTool();
break;
case VectorBrushStyle.Felt:
mActiveTool = new FeltTool();
break;
case VectorBrushStyle.Brush:
mActiveTool = new BrushTool();
break;
case VectorBrushStyle.Selection:
throw new InvalidOperationException("");
default:
throw new Exception("Unknown brush type");
}
mActiveTool.PointsAdded += OnPointsAdded;
}
public VectorStrokeHandler(Renderer renderer, VectorBrushStyle style, MediaColor color)
: base(renderer, color)
{
BrushColor = color;
SetBrushStyle(style);
// Spatial Model
mSpatialModel = new SpatialModel(new VectorInkStrokeFactory());
mSpatialModel.StrokeAdded += OnSpatialModelStrokeAdded;
mSpatialModel.StrokeRemoved += OnSpatialModelStrokeRemoved;
mSpatialModel.StrokeSelected += OnSpatialModelStrokeSelected;
mSpatialModel.EraseFinished += OnSpatialModelEraseFinished;
mSpatialModel.SelectStarted += OnSpatialModelSelectStarted;
mSpatialModel.SelectFinished += OnSpatialModelSelectFinished;
WorkItemHandler workItemHandler = new WorkItemHandler((IAsyncAction action) =>
{
try
{
mSpatialModel.StartProcessingJobs();
}
catch (Exception ex)
{
System.Diagnostics.Trace.WriteLine($"Exception: {ex.Message}");
}
});
mSpatialModelLoopWorker = Windows.System.Threading.ThreadPool.RunAsync(workItemHandler, WorkItemPriority.High, WorkItemOptions.TimeSliced);
}
/// <summary>
/// Constructor. Creates rendering brush; initializes graphics
/// </summary>
/// <param name="swapChainPanel">SwapChainPanel on which to render captured ink</param>
/// <param name="brushType">Type of brush to use</param>
/// <param name="thickness">Relative thickness of brush</param>
/// <param name="color">Color of ink</param>
/// <param name="style">Shape of brush (VectorBrush only)</param>
public Renderer(SwapChainPanel swapChainPanel, VectorBrushStyle style, MediaColor color)
{
StrokeHandler = new VectorStrokeHandler(this, style, color);
mSwapChainPanel = swapChainPanel;
Graphics.GraphicsReady += OnGraphicsReady;
Graphics.Initialize(mSwapChainPanel, false);
}
public VectorInkBuilder(VectorBrushStyle brushStyle)
{
BrushPolygon bp4 = new BrushPolygon(0.0f, VectorBrushFactory.CreateEllipseBrush(4, 1.0f, 1.0f));
BrushPolygon bp8 = new BrushPolygon(2.0f, VectorBrushFactory.CreateEllipseBrush(8, 1.0f, 1.0f));
BrushPolygon bp16 = new BrushPolygon(6.0f, VectorBrushFactory.CreateEllipseBrush(16, 1.0f, 1.0f));
BrushPolygon bp32 = new BrushPolygon(18.0f, VectorBrushFactory.CreateEllipseBrush(32, 1.0f, 1.0f));
mBrush = new VectorBrush(bp4, bp8, bp16, bp32);
BrushStyle = brushStyle;
}
public VectorInkControl(VectorBrushStyle brushStyle, MediaColor brushColor, InkModel inkDocument = null)
{
InitializeComponent();
mBrushStyle = brushStyle;
mInkBuilder = new VectorInkBuilder(brushStyle);
BrushColor = brushColor;
LoadInk(inkDocument);
StartProcessingInput();
}
private void CheckControlType(VectorBrushStyle brushStyle, ToggleButton btn)
{
var inkCtrl = NavFrame.Content as VectorInkControl;
if (inkCtrl == null)
{
SetCurrentControl(new VectorInkControl(brushStyle, BrushColor));
}
else
{
inkCtrl.BrushStyle = brushStyle;
}
ToggleBrushButton(btn);
}
public void SetHandler(VectorBrushStyle brushStyle, MediaColor brushColor)
{
if (StrokeHandler is VectorStrokeHandler)
{
StrokeHandler.SetBrushStyle(brushStyle);
StrokeHandler.BrushColor = brushColor;
}
else
{
StrokeHandler = new VectorStrokeHandler(this, brushStyle, brushColor);
// Clear screen
ClearLayers();
PresentGraphics();
}
}