/// <summary>
/// Creates and initializes a new lens tilt depth-of-field effect.
/// </summary>
/// <param name="source">The source image to be blurred.</param>
/// <param name="focusBand">The band that represents the focus area in the image. Pixels within this band won't be blurred.
/// Areas outside of the area will be progressively more blurred as the distance from the focus band increases..</param>
/// <param name="blurStrengthAtEdge1">Strength of the blur on the Edge1 side of the focus band.</param>
/// <param name="blurStrengthAtEdge2">Strength of the blur on the Edge2 side of the focus band.</param>
public LensTiltDepthOfFieldEffect(IImageProvider source, FocusBand focusBand, double strengthAtEdge1, double strengthAtEdge2, DepthOfFieldQuality quality)
: base(source, quality)
{
FocusBand = focusBand;
StrengthAtEdge1 = strengthAtEdge1;
StrengthAtEdge2 = strengthAtEdge2;
}
/// <summary>
/// Creates and initializes a new focus object depth-of-field effect.
/// </summary>
/// <param name="source">The image source to apply the effect to</param>
/// <param name="objectMaskSource">A grayscale mask that represents the object in the image that shall be kept in focus.</param>
/// <param name="horizonPoint1">The first point defining the horizon line.</param>
/// <param name="horizonPoint2">The second point defining the horizon line.</param>
/// <param name="strengthBelowHorizon">The strength of the blur effect below the horizon line.</param>
/// <param name="strengthAboveHorizon">The strength of the blur effect above the horizon line.</param>
public FocusObjectDepthOfFieldEffect(IImageProvider source, IImageProvider objectMaskSource, Point horizonPoint1, Point horizonPoint2, double strengthBelowHorizon, double strengthAboveHorizon, DepthOfFieldQuality quality)
: base(source, quality)
{
ObjectMaskSource = objectMaskSource;
HorizonPoint1 = horizonPoint1;
HorizonPoint2 = horizonPoint2;
StrengthBelowHorizon = strengthBelowHorizon;
StrengthAboveHorizon = strengthAboveHorizon;
}
private static async Task RenderEffect(FocusBand focusBand, DepthOfFieldQuality quality, [CallerMemberName] string testName = "")
{
using (var source = await KnownImages.Nurse.GetImageSourceAsync())
using (var effect = new LensTiltDepthOfFieldEffect(source, focusBand, 1.0, 1.0, quality))
using (var renderer = new JpegRenderer(effect))
{
var buffer = await renderer.RenderAsync();
await FileUtilities.SaveToPicturesLibraryAsync(buffer, "LensTiltDepthOfFieldEffectTest_" + testName + ".jpg");
}
}
private RenderTexture BlurTapPass(RenderTexture halfResSource, RenderTexture tiledData, RenderTexture neighbourhoodData, RenderTexture depthCenterAverage, DepthOfFieldQuality qualityLevel)
{
Material material = (qualityLevel != DepthOfFieldQuality.Normal) ? this.m_DoFMatDX11 : this.m_DoFMat;
material.SetTexture("_TiledData", tiledData);
material.SetTexture("_TiledNeighbourhoodData", neighbourhoodData);
material.SetTexture("_HalfResSourceTexture", halfResSource);
if (depthCenterAverage != null)
{
material.SetTexture("_AvgCenterDepth", depthCenterAverage);
}
halfResSource.filterMode = FilterMode.Point;
RenderTexture temporary = RenderTexture.GetTemporary(halfResSource.width, halfResSource.height, 0, halfResSource.format);
temporary.filterMode = FilterMode.Point;
temporary.wrapMode = TextureWrapMode.Clamp;
if (qualityLevel == DepthOfFieldQuality.Normal)
{
ScionGraphics.Blit(temporary, this.m_DoFMat, 5);
}
else if (qualityLevel == DepthOfFieldQuality.High_DX11)
{
ScionGraphics.Blit(temporary, this.m_DoFMatDX11, 0);
}
return temporary;
}
protected DepthOfFieldEffect(IImageProvider source, DepthOfFieldQuality quality)
: base(source)
{
LensBlurEffect = new LensBlurEffect(source);
Quality = quality;
}
/// <summary>
/// Creates and initializes a new elliptic focus depth-of-field effect.
/// </summary>
/// <param name="source">The source image to be blurred.</param>
/// <param name="ellipse">The desired focus area within the image.</param>
/// <param name="strength">The strength of the blur effect.</param>
/// <param name="quality">The quality of the effect.</param>
public EllipticFocusDepthOfFieldEffect(IImageProvider source, FocusEllipse focusArea, double strength, DepthOfFieldQuality quality)
: base(source, quality)
{
FocusArea = focusArea;
Strength = strength;
}
protected DepthOfFieldEffect(IImageProvider source, DepthOfFieldQuality quality)
: base(source)
{
LensBlurEffect = new LensBlurEffect(source);
Quality = quality;
}
private RenderTexture BlurTapPass(RenderTexture halfResSource, RenderTexture tiledData, RenderTexture neighbourhoodData, RenderTexture depthCenterAverage, DepthOfFieldQuality qualityLevel)
{
Material material = (qualityLevel != DepthOfFieldQuality.Normal) ? this.m_DoFMatDX11 : this.m_DoFMat;
material.SetTexture("_TiledData", tiledData);
material.SetTexture("_TiledNeighbourhoodData", neighbourhoodData);
material.SetTexture("_HalfResSourceTexture", halfResSource);
if (depthCenterAverage != null)
{
material.SetTexture("_AvgCenterDepth", depthCenterAverage);
}
halfResSource.filterMode = FilterMode.Point;
RenderTexture temporary = RenderTexture.GetTemporary(halfResSource.width, halfResSource.height, 0, halfResSource.format);
temporary.filterMode = FilterMode.Point;
temporary.wrapMode = TextureWrapMode.Clamp;
if (qualityLevel == DepthOfFieldQuality.Normal)
{
ScionGraphics.Blit(temporary, this.m_DoFMat, 5);
}
else if (qualityLevel == DepthOfFieldQuality.High_DX11)
{
ScionGraphics.Blit(temporary, this.m_DoFMatDX11, 0);
}
return(temporary);
}
/// <summary>
/// Creates and initializes a new elliptic focus depth-of-field effect.
/// </summary>
/// <param name="source">The source image to be blurred.</param>
/// <param name="ellipse">The desired focus area within the image.</param>
/// <param name="strength">The strength of the blur effect.</param>
/// <param name="quality">The quality of the effect.</param>
public EllipticFocusDepthOfFieldEffect(IImageProvider source, FocusEllipse focusArea, double strength, DepthOfFieldQuality quality)
: base(source, quality)
{
FocusArea = focusArea;
Strength = strength;
}
/// <summary>
/// Creates and initializes a new lens tilt depth-of-field effect.
/// </summary>
/// <param name="source">The source image to be blurred.</param>
/// <param name="focusBand">The band that represents the focus area in the image. Pixels within this band won't be blurred.
/// Areas outside of the area will be progressively more blurred as the distance from the focus band increases..</param>
/// <param name="blurStrengthAtEdge1">Strength of the blur on the Edge1 side of the focus band.</param>
/// <param name="blurStrengthAtEdge2">Strength of the blur on the Edge2 side of the focus band.</param>
public LensTiltDepthOfFieldEffect(IImageProvider source, FocusBand focusBand, double strengthAtEdge1, double strengthAtEdge2, DepthOfFieldQuality quality)
: base(source, quality)
{
FocusBand = focusBand;
StrengthAtEdge1 = strengthAtEdge1;
StrengthAtEdge2 = strengthAtEdge2;
}
private RenderTexture BlurTapPass(RenderTexture halfResSource, RenderTexture tiledData, RenderTexture neighbourhoodData,
RenderTexture exclusionMask, RenderTexture depthCenterAverage, DepthOfFieldQuality qualityLevel)
{
Material dofMat = qualityLevel == DepthOfFieldQuality.Normal ? m_DoFMat : m_DoFMatDX11;
dofMat.SetTexture("_TiledData", tiledData);
dofMat.SetTexture("_TiledNeighbourhoodData", neighbourhoodData);
dofMat.SetTexture("_HalfResSourceTexture", halfResSource); //Actually the prefiltered half res
if (exclusionMask != null)
{
dofMat.SetTexture("_ExclusionMask", exclusionMask);
}
if (depthCenterAverage != null)
{
dofMat.SetTexture("_AvgCenterDepth", depthCenterAverage);
}
halfResSource.filterMode = FilterMode.Point;
RenderTexture blurTexture = RenderTexture.GetTemporary(halfResSource.width, halfResSource.height, 0, halfResSource.format);
blurTexture.filterMode = FilterMode.Point;
blurTexture.wrapMode = TextureWrapMode.Clamp;
if (qualityLevel == DepthOfFieldQuality.Normal)
{
ScionGraphics.Blit(blurTexture, m_DoFMat, 5);
}
else if (qualityLevel == DepthOfFieldQuality.High_DX11)
{
ScionGraphics.Blit(blurTexture, m_DoFMatDX11, 0);
}
return(blurTexture);
}
/// <summary>
/// Creates and initializes a new focus object depth-of-field effect.
/// </summary>
/// <param name="source">The image source to apply the effect to</param>
/// <param name="objectMaskSource">A grayscale mask that represents the object in the image that shall be kept in focus.</param>
/// <param name="horizonPoint1">The first point defining the horizon line.</param>
/// <param name="horizonPoint2">The second point defining the horizon line.</param>
/// <param name="strengthBelowHorizon">The strength of the blur effect below the horizon line.</param>
/// <param name="strengthAboveHorizon">The strength of the blur effect above the horizon line.</param>
public FocusObjectDepthOfFieldEffect(IImageProvider source, IImageProvider objectMaskSource, Point horizonPoint1, Point horizonPoint2, double strengthBelowHorizon, double strengthAboveHorizon, DepthOfFieldQuality quality)
: base(source, quality)
{
ObjectMaskSource = objectMaskSource;
HorizonPoint1 = horizonPoint1;
HorizonPoint2 = horizonPoint2;
StrengthBelowHorizon = strengthBelowHorizon;
StrengthAboveHorizon = strengthAboveHorizon;
}
private static async Task RenderEffect(FocusBand focusBand, DepthOfFieldQuality quality, [CallerMemberName] string testName = "")
{
using (var source = KnownImages.Nurse.ImageSource)
using (var effect = new LensTiltDepthOfFieldEffect(source, focusBand, 1.0, 1.0, quality))
using (var renderer = new JpegRenderer(effect))
{
var buffer = await renderer.RenderAsync();
ImageResults.Instance.SaveToPicturesLibrary(buffer, "LensTiltDepthOfFieldEffectTest_" + testName + ".jpg");
}
}
