//Render:When your image has changed, call it
public void Render(ICanvasResourceCreator creator, float scaleX, float scaleY, ICanvasImage image)
{
//Scale :zoom up
ScaleEffect effect = new ScaleEffect
{
Source = image,
Scale = new Vector2(1 / scaleX, 1 / scaleY),
InterpolationMode = CanvasImageInterpolation.NearestNeighbor,
};
//Crop:So that it does not exceed the canvas boundary
Rect rect = effect.GetBounds(creator);
CropEffect effect2 = new CropEffect
{
Source = effect,
SourceRectangle = new Rect(2, 2, rect.Width - 4, rect.Height - 4),
};
//DottedLine
this.OutPut = new LuminanceToAlphaEffect //Alpha
{
Source = new EdgeDetectionEffect //Edge
{
Amount = 1,
Source = effect2
},
};
}
// crop
public SoftwareBitmap Crop(SoftwareBitmap softwareBitmap, Rect bounds)
{
if (softwareBitmap.BitmapPixelFormat != BitmapPixelFormat.Bgra8)
{
softwareBitmap = SoftwareBitmap.Convert(softwareBitmap, BitmapPixelFormat.Bgra8);
}
var resourceCreator = CanvasDevice.GetSharedDevice();
using (var canvasBitmap = CanvasBitmap.CreateFromSoftwareBitmap(resourceCreator, softwareBitmap))
using (var canvasRenderTarget = new CanvasRenderTarget(resourceCreator, (float)bounds.Width, (float)bounds.Width, canvasBitmap.Dpi))
using (var drawingSession = canvasRenderTarget.CreateDrawingSession())
using (var cropEffect = new CropEffect())
using (var atlasEffect = new AtlasEffect())
{
drawingSession.Clear(Colors.White);
cropEffect.SourceRectangle = bounds;
cropEffect.Source = canvasBitmap;
atlasEffect.SourceRectangle = bounds;
atlasEffect.Source = cropEffect;
drawingSession.DrawImage(atlasEffect);
drawingSession.Flush();
return(SoftwareBitmap.CreateCopyFromBuffer(canvasRenderTarget.GetPixelBytes().AsBuffer(), BitmapPixelFormat.Bgra8, (int)bounds.Width, (int)bounds.Width, BitmapAlphaMode.Premultiplied));
}
}
public async Task <IEnumerable <Tuple <Point, DavinciImage> > > ToTilesAsync(double tileWidth, double tileHight)
{
var listResults = new List <Tuple <Point, DavinciImage> >();
Size size;
size = await GetSize(_source);
var numberOfHorizontalTiles = (int)size.Width / tileWidth;
var numberOfVerticalTiles = (int)size.Height / tileHight;
for (var y = 0; y < numberOfVerticalTiles; y++)
{
for (var x = 0; x < numberOfHorizontalTiles; x++)
{
try
{
var cropEffect = new CropEffect(_source)
{
CropArea = new Rect(x * tileWidth, y * tileHight, tileWidth, tileHight)
};
listResults.Add(new Tuple <Point, DavinciImage>(new Point(x, y), new DavinciImage(cropEffect)));
}
catch (Exception e)
{
throw;
}
}
}
return(listResults);
}
public static SoftwareBitmap CropAndResize(this SoftwareBitmap softwareBitmap, Rect bounds, float newWidth, float newHeight)
{
var resourceCreator = CanvasDevice.GetSharedDevice();
using (var canvasBitmap = CanvasBitmap.CreateFromSoftwareBitmap(resourceCreator, softwareBitmap))
using (var canvasRenderTarget = new CanvasRenderTarget(resourceCreator, newWidth, newHeight, canvasBitmap.Dpi))
using (var drawingSession = canvasRenderTarget.CreateDrawingSession())
using (var scaleEffect = new ScaleEffect())
using (var cropEffect = new CropEffect())
using (var atlasEffect = new AtlasEffect())
{
drawingSession.Clear(Colors.White);
cropEffect.SourceRectangle = bounds;
cropEffect.Source = canvasBitmap;
atlasEffect.SourceRectangle = bounds;
atlasEffect.Source = cropEffect;
scaleEffect.Source = atlasEffect;
scaleEffect.Scale = new System.Numerics.Vector2(newWidth / (float)bounds.Width, newHeight / (float)bounds.Height);
drawingSession.DrawImage(scaleEffect);
drawingSession.Flush();
return(SoftwareBitmap.CreateCopyFromBuffer(canvasRenderTarget.GetPixelBytes().AsBuffer(), BitmapPixelFormat.Bgra8, (int)newWidth, (int)newHeight, BitmapAlphaMode.Premultiplied));
}
}
public CropEffectProcessor()
{
Name = "Crop Effect";
m_cropEffect = new CropEffect();
m_propertyDescriptions = new Dictionary <string, PropertyDescription>();
m_propertyDescriptions.Add("Left", new PropertyDescription(0, 1.0, 0));
m_propertyDescriptions.Add("Top", new PropertyDescription(0, 1.0, 0));
m_propertyDescriptions.Add("Right", new PropertyDescription(0, 1.0, 0.5));
m_propertyDescriptions.Add("Bottom", new PropertyDescription(0, 1.0, 0.5));
SetupEffectCategory(m_cropEffect);
AddEditors();
}
public CropEffectProcessor()
{
Name = "Crop Effect";
m_cropEffect = new CropEffect();
m_propertyDescriptions = new Dictionary<string, PropertyDescription>();
m_propertyDescriptions.Add("Left", new PropertyDescription(0,1.0, 0));
m_propertyDescriptions.Add("Top", new PropertyDescription(0, 1.0, 0));
m_propertyDescriptions.Add("Right", new PropertyDescription(0, 1.0, 0.5));
m_propertyDescriptions.Add("Bottom", new PropertyDescription(0, 1.0, 0.5));
SetupEffectCategory(m_cropEffect);
AddEditors();
}
private ICanvasImage CreateShadow()
{
var renderTarget = new CanvasRenderTarget(canvas, 360, 150);
using (var ds = renderTarget.CreateDrawingSession())
{
ds.Clear(Color.FromArgb(0, 0, 0, 0));
ds.DrawText("This text is drawn onto a rendertarget", 10, 10, Colors.White);
ds.DrawText("with a different color per line,", 10, 40, Colors.Red);
ds.DrawText("after which a drop shadow is", 10, 70, Colors.Green);
ds.DrawText("generated using image effects.", 10, 100, Colors.Blue);
}
var shadowEffect = new Transform2DEffect
{
Source = new ShadowEffect
{
Source = renderTarget,
BlurAmount = 2
},
TransformMatrix = Matrix3x2.CreateTranslation(3, 3)
};
var whiteBackground = new CropEffect
{
Source = new ColorSourceEffect {
Color = Colors.White
},
SourceRectangle = renderTarget.Bounds
};
var compositeEffect = new CompositeEffect
{
Sources = { whiteBackground, shadowEffect, renderTarget }
};
animationFunction = elapsedTime => { };
currentEffectSize = renderTarget.Size.ToVector2();
return(compositeEffect);
}
public void SetEncodingProperties(VideoEncodingProperties encodingProperties, IDirect3DDevice device)
{
canvasDevice = CanvasDevice.CreateFromDirect3D11Device(device, CanvasDebugLevel.None);
numColumns = (uint)(encodingProperties.Width / pixelsPerTile);
numRows = (uint)(encodingProperties.Height / pixelsPerTile);
transforms = new Transform2DEffect[numColumns, numRows];
crops = new CropEffect[numColumns, numRows];
for (uint i = 0; i < numColumns; i++)
{
for (uint j = 0; j < numRows; j++)
{
crops[i, j] = new CropEffect();
crops[i, j].SourceRectangle = new Rect(i * pixelsPerTile, j * pixelsPerTile, pixelsPerTile, pixelsPerTile);
transforms[i, j] = new Transform2DEffect();
transforms[i, j].Source = crops[i, j];
}
}
}
/// <summary>
/// Helper metohd that crop a SoftwareBitmap given a new bounding box
/// </summary>
private SoftwareBitmap CropSoftwareBitmap(SoftwareBitmap softwareBitmap, float x, float y, float width, float height)
{
using (var resourceCreator = CanvasDevice.GetSharedDevice())
using (var canvasBitmap = CanvasBitmap.CreateFromSoftwareBitmap(resourceCreator, softwareBitmap))
using (var canvasRenderTarget = new CanvasRenderTarget(resourceCreator, width, height, canvasBitmap.Dpi))
using (var drawingSession = canvasRenderTarget.CreateDrawingSession())
using (var cropEffect = new CropEffect())
{
cropEffect.Source = canvasBitmap;
drawingSession.DrawImage(
cropEffect,
new Rect(0.0, 0.0, width, height),
new Rect(x, y, width, height),
(float)1.0,
CanvasImageInterpolation.HighQualityCubic);
drawingSession.Flush();
return(SoftwareBitmap.CreateCopyFromBuffer(canvasRenderTarget.GetPixelBytes().AsBuffer(), BitmapPixelFormat.Rgba8, (int)width, (int)height, BitmapAlphaMode.Premultiplied));
}
}
public void SetEncodingProperties(VideoEncodingProperties encodingProperties, IDirect3DDevice device)
{
_canvasDevice = device != null?CanvasDevice.CreateFromDirect3D11Device(device) : CanvasDevice.GetSharedDevice();
_numColumns = (uint)(encodingProperties.Width / PixelsPerTile);
_numRows = (uint)(encodingProperties.Height / PixelsPerTile);
_transforms = new Transform2DEffect[_numColumns, _numRows];
_crops = new CropEffect[_numColumns, _numRows];
for (uint i = 0; i < _numColumns; i++)
{
for (uint j = 0; j < _numRows; j++)
{
_crops[i, j] = new CropEffect();
_crops[i, j].SourceRectangle = new Rect(i * PixelsPerTile, j * PixelsPerTile, PixelsPerTile, PixelsPerTile);
_transforms[i, j] = new Transform2DEffect();
_transforms[i, j].Source = _crops[i, j];
}
}
}
public ICanvasImage Apply(ICanvasImage image)
{
if (IsEnabled)
{
var originalImage = image;
Rect?bounds = null;
// Apply all our effects in turn.
foreach (var effect in Effects)
{
image = effect.Apply(image, ref bounds);
}
// Mask so these effects only alter a specific region of the image?
if (regionMask != null)
{
var selectedRegion = new CompositeEffect
{
Sources = { image, GetRegionMask() },
Mode = CanvasComposite.DestinationIn
};
image = new CompositeEffect
{
Sources = { originalImage, selectedRegion }
};
if (bounds.HasValue)
{
image = new CropEffect
{
Source = image,
SourceRectangle = bounds.Value
};
}
}
}
return(image);
}
private ICanvasImage CreateCrop()
{
var cropEffect = new CropEffect
{
Source = bitmapTiger
};
// Animation alters what area of the bitmap is selected.
animationFunction = elapsedTime =>
{
var w = 50 + (float)Math.Sin(elapsedTime / 2) * 40;
var h = 50 + (float)Math.Sin(elapsedTime / 3) * 40;
var range = bitmapTiger.Size.ToVector2() - new Vector2(w, h);
var x = (Math.Sin(elapsedTime * 4) + 1) / 2 * range.X;
var y = (Math.Sin(elapsedTime * 5) + 1) / 2 * range.Y;
cropEffect.SourceRectangle = new Rect(x, y, w, h);
};
return(cropEffect);
}
private IImageProvider Crop(BitmapImageSource overlayBitmapImageSource, ImageProviderInfo originalOverlayImageProviderInfo, int backgroundWidth, int backgroundHeight)
{
IImageProvider imageProvider;
int overlayWidth = (int)overlayBitmapImageSource.Bitmap.Dimensions.Width;
int overlayHeight = (int)overlayBitmapImageSource.Bitmap.Dimensions.Height;
if (HorizontalAlignment != HorizontalAlignment.None)
{
int cropLeft = 0;
int cropTop = 0;
int cropWidth = Math.Min(overlayWidth, (int)originalOverlayImageProviderInfo.ImageSize.Width);
int cropHeight = Math.Min(overlayHeight, (int)originalOverlayImageProviderInfo.ImageSize.Height);
if ((HorizontalAlignment == HorizontalAlignment.Center) &&
(overlayWidth < (int)originalOverlayImageProviderInfo.ImageSize.Width))
{
cropLeft = Math.Abs(overlayWidth / 2 - backgroundWidth / 2);
cropWidth -= cropLeft * 2;
}
if ((VerticalAlignment == HorizontalAlignment.Center) &&
(overlayHeight < (int)originalOverlayImageProviderInfo.ImageSize.Height))
{
cropTop = Math.Abs(overlayHeight / 2 - backgroundHeight / 2);
cropHeight -= cropTop * 2;
}
imageProvider = new CropEffect(new Rect(cropLeft, cropTop, cropWidth, cropHeight));
}
else
{
imageProvider = overlayBitmapImageSource;
}
return(imageProvider);
}
//方法：设置（写到创建资源事件里）
public void Set(ICanvasResourceCreator rc, float sx, float sy, ICanvasImage ci)
{
//放大
ScaleEffect se = new ScaleEffect
{
Source = ci,
Scale = new Vector2(1 / sx, 1 / sy),
InterpolationMode = CanvasImageInterpolation.NearestNeighbor,
};
//剪裁四周的边线
var rect = se.GetBounds(rc);
CropEffect sce = new CropEffect
{
Source = se,
SourceRectangle = new Rect(2, 2, rect.Width - 4, rect.Height - 4),
};
//恢复正常大小
CanvasCommandList ccl = new CanvasCommandList(rc);
using (var ds = ccl.CreateDrawingSession())
{
ds.Clear(Colors.Transparent);
ds.DrawImage(sce);
}
//变成线框
Image = new LuminanceToAlphaEffect //亮度转不透明度
{
Source = new EdgeDetectionEffect //边缘检测
{
Amount = 1,
Source = ccl
},
};
}
private ICanvasImage CreateShadow()
{
var renderTarget = new CanvasRenderTarget(canvas, 360, 150);
using (var ds = renderTarget.CreateDrawingSession())
{
ds.Clear(Color.FromArgb(0, 0, 0, 0));
ds.DrawText("This text is drawn onto a rendertarget", 10, 10, Colors.White);
ds.DrawText("with a different color per line,", 10, 40, Colors.Red);
ds.DrawText("after which a drop shadow is", 10, 70, Colors.Green);
ds.DrawText("generated using image effects.", 10, 100, Colors.Blue);
}
var shadowEffect = new Transform2DEffect
{
Source = new ShadowEffect
{
Source = renderTarget,
BlurAmount = 2
},
TransformMatrix = Matrix3x2.CreateTranslation(3, 3)
};
var whiteBackground = new CropEffect
{
Source = new ColorSourceEffect { Color = Colors.White },
SourceRectangle = renderTarget.Bounds
};
var compositeEffect = new CompositeEffect
{
Sources = { whiteBackground, shadowEffect, renderTarget }
};
animationFunction = elapsedTime => { };
currentEffectSize = renderTarget.Size.ToVector2();
return compositeEffect;
}
private ICanvasImage CreateLuminanceToAlpha()
{
var contrastAdjustedTiger = new LinearTransferEffect
{
Source = bitmapTiger,
RedOffset = -3,
GreenOffset = -3,
BlueOffset = -3,
};
var tigerAlpha = new LuminanceToAlphaEffect
{
Source = contrastAdjustedTiger
};
var tigerAlphaWithWhiteRgb = new LinearTransferEffect
{
Source = tigerAlpha,
RedOffset = 1,
GreenOffset = 1,
BlueOffset = 1,
RedSlope = 0,
GreenSlope = 0,
BlueSlope = 0,
};
var recombinedRgbAndAlpha = new ArithmeticCompositeEffect
{
Source1 = tigerAlphaWithWhiteRgb,
Source2 = bitmapTiger,
};
var movedTiger = new Transform2DEffect
{
Source = recombinedRgbAndAlpha
};
const float turbulenceSize = 128;
var backgroundImage = new CropEffect
{
Source = new TileEffect
{
Source = new TurbulenceEffect
{
Octaves = 8,
Size = new Vector2(turbulenceSize),
Tileable = true
},
SourceRectangle= new Rect(0, 0, turbulenceSize, turbulenceSize)
},
SourceRectangle = new Rect((bitmapTiger.Size.ToVector2() * -0.5f).ToPoint(),
(bitmapTiger.Size.ToVector2() * 1.5f).ToPoint())
};
var tigerOnBackground = new BlendEffect
{
Foreground = movedTiger,
Background = backgroundImage
};
// Animation moves the alpha bitmap around, and alters color transfer settings to change how solid it is.
animationFunction = elapsedTime =>
{
contrastAdjustedTiger.RedSlope =
contrastAdjustedTiger.GreenSlope =
contrastAdjustedTiger.BlueSlope = ((float)Math.Sin(elapsedTime * 0.9) + 2) * 3;
var dx = (float)Math.Cos(elapsedTime) * 50;
var dy = (float)Math.Sin(elapsedTime) * 50;
movedTiger.TransformMatrix = Matrix3x2.CreateTranslation(dx, dy);
};
return tigerOnBackground;
}
private ICanvasImage CreateCrop()
{
var cropEffect = new CropEffect
{
Source = bitmapTiger
};
// Animation alters what area of the bitmap is selected.
animationFunction = elapsedTime =>
{
var w = 50 + (float)Math.Sin(elapsedTime / 2) * 40;
var h = 50 + (float)Math.Sin(elapsedTime / 3) * 40;
var range = bitmapTiger.Size.ToVector2() - new Vector2(w, h);
var x = (Math.Sin(elapsedTime * 4) + 1) / 2 * range.X;
var y = (Math.Sin(elapsedTime * 5) + 1) / 2 * range.Y;
cropEffect.SourceRectangle = new Rect(x, y, w, h);
};
return cropEffect;
}
public void SetEncodingProperties(VideoEncodingProperties encodingProperties, IDirect3DDevice device)
{
canvasDevice = CanvasDevice.CreateFromDirect3D11Device(device);
numColumns = (uint)(encodingProperties.Width / pixelsPerTile);
numRows = (uint)(encodingProperties.Height / pixelsPerTile);
transforms = new Transform2DEffect[numColumns, numRows];
crops = new CropEffect[numColumns, numRows];
for (uint i = 0; i < numColumns; i++)
{
for (uint j = 0; j < numRows; j++)
{
crops[i, j] = new CropEffect();
crops[i, j].SourceRectangle = new Rect(i * pixelsPerTile, j * pixelsPerTile, pixelsPerTile, pixelsPerTile);
transforms[i, j] = new Transform2DEffect();
transforms[i, j].Source = crops[i, j];
}
}
}
private ICanvasImage CreateLuminanceToAlpha()
{
var contrastAdjustedTiger = new LinearTransferEffect
{
Source = bitmapTiger,
RedOffset = -3,
GreenOffset = -3,
BlueOffset = -3,
};
var tigerAlpha = new LuminanceToAlphaEffect
{
Source = contrastAdjustedTiger
};
var tigerAlphaWithWhiteRgb = new LinearTransferEffect
{
Source = tigerAlpha,
RedOffset = 1,
GreenOffset = 1,
BlueOffset = 1,
RedSlope = 0,
GreenSlope = 0,
BlueSlope = 0,
};
var recombinedRgbAndAlpha = new ArithmeticCompositeEffect
{
Source1 = tigerAlphaWithWhiteRgb,
Source2 = bitmapTiger,
};
var movedTiger = new Transform2DEffect
{
Source = recombinedRgbAndAlpha
};
const float turbulenceSize = 128;
var backgroundImage = new CropEffect
{
Source = new TileEffect
{
Source = new TurbulenceEffect
{
Octaves = 8,
Size = new Vector2(turbulenceSize),
Tileable = true
},
SourceRectangle = new Rect(0, 0, turbulenceSize, turbulenceSize)
},
SourceRectangle = new Rect((bitmapTiger.Size.ToVector2() * -0.5f).ToPoint(),
(bitmapTiger.Size.ToVector2() * 1.5f).ToPoint())
};
var tigerOnBackground = new BlendEffect
{
Foreground = movedTiger,
Background = backgroundImage
};
// Animation moves the alpha bitmap around, and alters color transfer settings to change how solid it is.
animationFunction = elapsedTime =>
{
contrastAdjustedTiger.RedSlope =
contrastAdjustedTiger.GreenSlope =
contrastAdjustedTiger.BlueSlope = ((float)Math.Sin(elapsedTime * 0.9) + 2) * 3;
var dx = (float)Math.Cos(elapsedTime) * 50;
var dy = (float)Math.Sin(elapsedTime) * 50;
movedTiger.TransformMatrix = Matrix3x2.CreateTranslation(dx, dy);
};
return(tigerOnBackground);
}
public ICanvasImage Apply(ICanvasImage image)
{
if (IsEnabled)
{
var originalImage = image;
Rect? bounds = null;
// Apply all our effects in turn.
foreach (var effect in Effects)
{
image = effect.Apply(image, ref bounds);
}
// Mask so these effects only alter a specific region of the image?
if (regionMask != null)
{
var selectedRegion = new CompositeEffect
{
Sources = { image, GetRegionMask() },
Mode = CanvasComposite.DestinationIn
};
image = new CompositeEffect
{
Sources = { originalImage, selectedRegion }
};
if (bounds.HasValue)
{
image = new CropEffect
{
Source = image,
SourceRectangle = bounds.Value
};
}
}
}
return image;
}
private void DrawBackImage(CanvasDrawingSession graphics, double scale)
{
if (editimage != null)
{
Rect des = GetImageDrawingRect();
des.X *= scale;
des.Y *= scale;
des.Width *= scale;
des.Height *= scale;
// 滤镜特效
//亮度
ICanvasImage image = GetBrightnessEffect(editimage);
//对比度
image = GetContrastEffect(image);
//饱和度
image = GetSaturationEffect(image);
//锐化
image = GetSharpenEffect(image);
//模糊
image = GetBlurEffect(image);
////应用滤镜模板
image = ApplyFilterTemplate(image);
var width_scale = editimage.Bounds.Width / des.Width;
var height_scale = editimage.Bounds.Height / des.Height;
if (cutok)
{
left = (float)cutmanage.cutPointX;
top = (float)cutmanage.cutPointY;
descut.X = (cutmanage.cutPointX - des.X) * width_scale;
descut.Y = (cutmanage.cutPointY - des.Y) * height_scale;
descut.Width = cutmanage.cutWidth * width_scale;
descut.Height = cutmanage.cutHeight * height_scale;
cutok = false;
cutmanage = null;
}
//des.Width = 100;
//Vector2 vec = new Vector2();
if (iscuted)
{
//graphics.DrawImage(_image, left,top,descut);
if (cuted)
{
//graphics.DrawImage(image, des, descut);
//image = new AtlasEffect { Source = image, SourceRectangle = descut };
image = new CropEffect {
Source = image, SourceRectangle = descut
};
}
else
{
//graphics.DrawImage(image, des, descut);
//image = new AtlasEffect { Source = image, SourceRectangle = descut };
image = new CropEffect {
Source = image, SourceRectangle = descut
};
cuted = true;
}
}
//else
//{
// graphics.DrawImage(image, des, editimage.Bounds);
//}
graphics.DrawImage(image, des, editimage.Bounds);
//if(cutok)
//{
// image = new CropEffect { Source = image, SourceRectangle = new Rect(cutmanage.cutPointX, cutmanage.cutPointY, cutmanage.cutWidth, cutmanage.cutHeight) };
// //cutok = false;
// cutmanage = null;
//}
//graphics.DrawImage(image, des, editimage.Bounds);
}
}
private IImageProvider Crop(BitmapImageSource overlayBitmapImageSource, ImageProviderInfo originalOverlayImageProviderInfo, int backgroundWidth, int backgroundHeight)
{
IImageProvider imageProvider;
int overlayWidth = (int)overlayBitmapImageSource.Bitmap.Dimensions.Width;
int overlayHeight = (int)overlayBitmapImageSource.Bitmap.Dimensions.Height;
if (HorizontalAlignment != HorizontalAlignment.None)
{
int cropLeft = 0;
int cropTop = 0;
int cropWidth = Math.Min(overlayWidth, (int)originalOverlayImageProviderInfo.ImageSize.Width);
int cropHeight = Math.Min(overlayHeight, (int)originalOverlayImageProviderInfo.ImageSize.Height);
if ((HorizontalAlignment == HorizontalAlignment.Center) &&
(overlayWidth < (int)originalOverlayImageProviderInfo.ImageSize.Width))
{
cropLeft = Math.Abs(overlayWidth / 2 - backgroundWidth / 2);
cropWidth -= cropLeft * 2;
}
if ((VerticalAlignment == HorizontalAlignment.Center) &&
(overlayHeight < (int)originalOverlayImageProviderInfo.ImageSize.Height))
{
cropTop = Math.Abs(overlayHeight / 2 - backgroundHeight / 2);
cropHeight -= cropTop * 2;
}
imageProvider = new CropEffect(new Rect(cropLeft, cropTop, cropWidth, cropHeight));
}
else
{
imageProvider = overlayBitmapImageSource;
}
return imageProvider;
}
