BitmapBrush CreateGridPatternBrush(RenderTarget pRenderTarget)
{
// Create a compatible render target.
BitmapRenderTarget spCompatibleRenderTarget =
pRenderTarget.CreateCompatibleRenderTarget(CompatibleRenderTargetOptions.None, (new SizeF(10.0f, 10.0f)));
// Draw a pattern.
SolidColorBrush spGridBrush =
spCompatibleRenderTarget.CreateSolidColorBrush(
new ColorF(0.93f, 0.94f, 0.96f, 1.0f));
spCompatibleRenderTarget.BeginDraw();
spCompatibleRenderTarget.FillRectangle(new RectF(0.0f, 0.0f, 10.0f, 1.0f), spGridBrush);
spCompatibleRenderTarget.FillRectangle(new RectF(0.0f, 0.1f, 1.0f, 10.0f), spGridBrush);
spCompatibleRenderTarget.EndDraw();
// Retrieve the bitmap from the render target.
D2DBitmap spGridBitmap = spCompatibleRenderTarget.Bitmap;
// Choose the tiling mode for the bitmap brush.
BitmapBrushProperties brushProperties =
new BitmapBrushProperties(ExtendMode.Wrap, ExtendMode.Wrap, BitmapInterpolationMode.Linear);
// Create the bitmap brush.
return(textureRenderTarget.CreateBitmapBrush(spGridBitmap, brushProperties));
}
/// <summary>
/// Creates and returns a copy of the brush in the new render target.
/// Used for changing render targets.
/// A brush belongs to a render target, so when you want to draw with same brush in another render target
/// - you need to create a copy of the brush in the new render target.
/// </summary>
/// <param name="sourceBrush">The brush.</param>
/// <param name="newRenderTarget">The new render target.</param>
/// <returns></returns>
protected internal Brush CopyBrushToRenderTarget(Brush sourceBrush, RenderTarget newRenderTarget)
{
if (sourceBrush == null || newRenderTarget == null)
{
return(null);
}
Brush newBrush;
if (sourceBrush is SolidColorBrush)
{
newBrush = newRenderTarget.CreateSolidColorBrush(
((SolidColorBrush)sourceBrush).Color,
new BrushProperties(sourceBrush.Opacity, sourceBrush.Transform));
sourceBrush.Dispose();
return(newBrush);
}
if (sourceBrush is LinearGradientBrush)
{
var oldGSC = ((LinearGradientBrush)sourceBrush).GradientStops;
var newGSC = newRenderTarget.CreateGradientStopCollection(oldGSC, oldGSC.ColorInterpolationGamma, oldGSC.ExtendMode);
oldGSC.Dispose();
newBrush = newRenderTarget.CreateLinearGradientBrush(
new LinearGradientBrushProperties(
((LinearGradientBrush)sourceBrush).StartPoint,
((LinearGradientBrush)sourceBrush).EndPoint),
newGSC,
new BrushProperties(sourceBrush.Opacity, sourceBrush.Transform));
sourceBrush.Dispose();
return(newBrush);
}
if (sourceBrush is RadialGradientBrush)
{
var oldGSC = ((RadialGradientBrush)sourceBrush).GradientStops;
var newGSC = newRenderTarget.CreateGradientStopCollection(oldGSC, oldGSC.ColorInterpolationGamma, oldGSC.ExtendMode);
oldGSC.Dispose();
newBrush = newRenderTarget.CreateRadialGradientBrush(
new RadialGradientBrushProperties(
((RadialGradientBrush)sourceBrush).Center,
((RadialGradientBrush)sourceBrush).GradientOriginOffset,
((RadialGradientBrush)sourceBrush).RadiusX,
((RadialGradientBrush)sourceBrush).RadiusY),
newGSC,
new BrushProperties(sourceBrush.Opacity, sourceBrush.Transform));
sourceBrush.Dispose();
return(newBrush);
}
if (sourceBrush is BitmapBrush)
{
newBrush = newRenderTarget.CreateBitmapBrush(
Bitmap,
new BitmapBrushProperties(
((BitmapBrush)sourceBrush).ExtendModeX,
((BitmapBrush)sourceBrush).ExtendModeY,
((BitmapBrush)sourceBrush).InterpolationMode),
new BrushProperties(sourceBrush.Opacity, sourceBrush.Transform));
sourceBrush.Dispose();
return(newBrush);
}
throw new NotImplementedException("Unknown brush type used");
}
protected override void CreateResources()
{
_sceneBrush = RenderTarget.CreateSolidColorBrush(Color.Black);
// Background grid brush
var bitmapTarget = RenderTarget.CreateCompatibleRenderTarget(new SizeF(10, 10));
var gridBrush = bitmapTarget.CreateSolidColorBrush(new ColorF(.93f, .94f, .96f));
bitmapTarget.BeginDraw();
bitmapTarget.FillRectangle(RectangleF.FromLTRB(0, 0, 10, 1), gridBrush);
bitmapTarget.FillRectangle(RectangleF.FromLTRB(0, 0, 1, 10), gridBrush);
bitmapTarget.EndDraw().ThrowIfFailed();
IBitmap bitmap = bitmapTarget.GetBitmap();
_gridPatternBrush = RenderTarget.CreateBitmapBrush(bitmap, new BitmapBrushProperties(ExtendMode.Wrap, ExtendMode.Wrap));
// Gradient brush
Span <GradientStop> stops = stackalloc[]
{
new GradientStop(0.0f, Color.Gold),
new GradientStop(0.85f, new ColorF(Color.Orange, 0.8f)),
new GradientStop(1.0f, new ColorF(Color.OrangeRed, 0.7f))
};
_radialGradientBrush = RenderTarget.CreateRadialGradientBrush(
new RadialGradientBrushProperties(new PointF(330, 330), new PointF(140, 140), 140, 140),
RenderTarget.CreateGradienStopCollection(stops));
}
private void addBitmapBrushBotton_Click(object sender, EventArgs e)
{
ExtendMode ex = extendedModeXComboBox.SelectedIndex > 0 ? (ExtendMode)extendedModeXComboBox.SelectedIndex : ExtendMode.Wrap;
ExtendMode ey = extendedModeYComboBox.SelectedIndex > 0 ? (ExtendMode)extendedModeYComboBox.SelectedIndex : ExtendMode.Wrap;
D2DBitmap brushBitmap = BitmapUtilities.LoadBitmapFromFile(renderTarget, parent.wicFactory, imageFilename);
BitmapBrush brush = renderTarget.CreateBitmapBrush(
brushBitmap,
new BitmapBrushProperties(
ex, ey,
BitmapInterpolationMode.NearestNeighbor),
new BrushProperties(
opacity,
Matrix3x2F.Identity));
parent.brushes.Add(brush);
parent.currentBrushIndex = parent.brushes.Count - 1;
FillBrushesListBox();
}
private BitmapBrush RandomBitmapBrush()
{
#if _D2DTRACE
Trace.WriteLine("SolidBrush:");
#endif
BitmapInterpolationMode interpolationMode = Random.NextDouble() < 0.25 ? BitmapInterpolationMode.Linear : BitmapInterpolationMode.NearestNeighbor;
#if _D2DTRACE
Trace.WriteLine("BitmapInterpolationMode: " + interpolationMode);
#endif
BitmapBrush ret = RenderTarget.CreateBitmapBrush(
Bitmap,
new BitmapBrushProperties(
RandomExtendMode(),
RandomExtendMode(),
interpolationMode),
new BrushProperties(
RandomOpacity(),
RandomMatrix3x2()));
return(ret);
}
/// <summary>
/// Creates and returns a copy of the brush in the new render target.
/// Used for changing render targets.
/// A brush belongs to a render target, so when you want to draw with same brush in another render target
/// - you need to create a copy of the brush in the new render target.
/// </summary>
/// <param name="sourceBrush">The brush.</param>
/// <param name="newRenderTarget">The new render target.</param>
/// <returns></returns>
protected internal Brush CopyBrushToRenderTarget(Brush sourceBrush, RenderTarget newRenderTarget)
{
if (sourceBrush == null || newRenderTarget == null)
return null;
Brush newBrush;
if (sourceBrush is SolidColorBrush)
{
newBrush = newRenderTarget.CreateSolidColorBrush(
((SolidColorBrush)sourceBrush).Color,
new BrushProperties(sourceBrush.Opacity, sourceBrush.Transform));
sourceBrush.Dispose();
return newBrush;
}
if (sourceBrush is LinearGradientBrush)
{
var oldGSC = ((LinearGradientBrush)sourceBrush).GradientStops;
var newGSC = newRenderTarget.CreateGradientStopCollection(oldGSC, oldGSC.ColorInterpolationGamma, oldGSC.ExtendMode);
oldGSC.Dispose();
newBrush = newRenderTarget.CreateLinearGradientBrush(
new LinearGradientBrushProperties(
((LinearGradientBrush)sourceBrush).StartPoint,
((LinearGradientBrush)sourceBrush).EndPoint),
newGSC,
new BrushProperties(sourceBrush.Opacity, sourceBrush.Transform));
sourceBrush.Dispose();
return newBrush;
}
if (sourceBrush is RadialGradientBrush)
{
var oldGSC = ((RadialGradientBrush)sourceBrush).GradientStops;
var newGSC = newRenderTarget.CreateGradientStopCollection(oldGSC, oldGSC.ColorInterpolationGamma, oldGSC.ExtendMode);
oldGSC.Dispose();
newBrush = newRenderTarget.CreateRadialGradientBrush(
new RadialGradientBrushProperties(
((RadialGradientBrush)sourceBrush).Center,
((RadialGradientBrush)sourceBrush).GradientOriginOffset,
((RadialGradientBrush)sourceBrush).RadiusX,
((RadialGradientBrush)sourceBrush).RadiusY),
newGSC,
new BrushProperties(sourceBrush.Opacity, sourceBrush.Transform));
sourceBrush.Dispose();
return newBrush;
}
if (sourceBrush is BitmapBrush)
{
newBrush = newRenderTarget.CreateBitmapBrush(
Bitmap,
new BitmapBrushProperties(
((BitmapBrush)sourceBrush).ExtendModeX,
((BitmapBrush)sourceBrush).ExtendModeY,
((BitmapBrush)sourceBrush).InterpolationMode),
new BrushProperties(sourceBrush.Opacity, sourceBrush.Transform));
sourceBrush.Dispose();
return newBrush;
}
throw new NotImplementedException("Unknown brush type used");
}
