private BitmapRenderTarget RenderIntermediate(
SharpDX.Direct2D1.RenderTarget target,
BitmapImpl bitmap,
TileBrushCalculator calc)
{
var result = new BitmapRenderTarget(
target,
CompatibleRenderTargetOptions.None,
calc.IntermediateSize.ToSharpDX());
using (var context = new RenderTarget(result).CreateDrawingContext(null))
{
var dpi = new Vector(target.DotsPerInch.Width, target.DotsPerInch.Height);
var rect = new Rect(bitmap.PixelSize.ToSizeWithDpi(dpi));
context.Clear(Colors.Transparent);
context.PushClip(calc.IntermediateClip);
context.Transform = calc.IntermediateTransform;
context.DrawBitmap(RefCountable.CreateUnownedNotClonable(bitmap), 1, rect, rect, _bitmapInterpolationMode);
context.PopClip();
}
return(result);
}
public ImageBrushImpl(
ITileBrush brush,
SharpDX.Direct2D1.RenderTarget target,
BitmapImpl bitmap,
Size targetSize)
{
var dpi = new Vector(target.DotsPerInch.Width, target.DotsPerInch.Height);
var calc = new TileBrushCalculator(brush, bitmap.PixelSize.ToSizeWithDpi(dpi), targetSize);
if (!calc.NeedsIntermediate)
{
_bitmap = bitmap.GetDirect2DBitmap(target);
PlatformBrush = new BitmapBrush(
target,
_bitmap.Value,
GetBitmapBrushProperties(brush),
GetBrushProperties(brush, calc.DestinationRect));
}
else
{
using (var intermediate = RenderIntermediate(target, bitmap, calc))
{
PlatformBrush = new BitmapBrush(
target,
intermediate.Bitmap,
GetBitmapBrushProperties(brush),
GetBrushProperties(brush, calc.DestinationRect));
}
}
_bitmapInterpolationMode = brush.BitmapInterpolationMode;
}
public ImageBrushImpl(
ITileBrush brush,
SharpDX.Direct2D1.RenderTarget target,
BitmapImpl bitmap,
Size targetSize)
{
var calc = new TileBrushCalculator(brush, new Size(bitmap.PixelWidth, bitmap.PixelHeight), targetSize);
if (!calc.NeedsIntermediate)
{
PlatformBrush = new BitmapBrush(
target,
bitmap.GetDirect2DBitmap(target),
GetBitmapBrushProperties(brush),
GetBrushProperties(brush, calc.DestinationRect));
}
else
{
using (var intermediate = RenderIntermediate(target, bitmap, calc))
{
PlatformBrush = new BitmapBrush(
target,
intermediate.Bitmap,
GetBitmapBrushProperties(brush),
GetBrushProperties(brush, calc.DestinationRect));
}
}
}
/// <summary>
/// Draws a bitmap image.
/// </summary>
/// <param name="source">The bitmap image.</param>
/// <param name="opacity">The opacity to draw with.</param>
/// <param name="sourceRect">The rect in the image to draw.</param>
/// <param name="destRect">The rect in the output to draw to.</param>
public void DrawImage(IBitmap source, double opacity, Rect sourceRect, Rect destRect)
{
BitmapImpl impl = (BitmapImpl)source.PlatformImpl;
Bitmap d2d = impl.GetDirect2DBitmap(_renderTarget);
_renderTarget.DrawBitmap(
d2d,
destRect.ToSharpDX(),
(float)opacity,
BitmapInterpolationMode.Linear,
sourceRect.ToSharpDX());
}
private BitmapRenderTarget RenderIntermediate(
SharpDX.Direct2D1.RenderTarget target,
BitmapImpl bitmap,
TileBrushCalculator calc)
{
var result = new BitmapRenderTarget(
target,
CompatibleRenderTargetOptions.None,
calc.IntermediateSize.ToSharpDX());
using (var context = new RenderTarget(result).CreateDrawingContext(null))
{
var rect = new Rect(0, 0, bitmap.PixelWidth, bitmap.PixelHeight);
context.Clear(Colors.Transparent);
context.PushClip(calc.IntermediateClip);
context.Transform = calc.IntermediateTransform;
context.DrawImage(bitmap, 1, rect, rect);
context.PopClip();
}
return(result);
}