public unsafe override void Render(ImageSurface src, ImageSurface dest, Gdk.Rectangle[] rois)
{
int warmth = Data.Warmth;
float redAdjust = 1.0f + (warmth / 100.0f);
float blueAdjust = 1.0f - (warmth / 100.0f);
this.blurEffect.Render(src, dest, rois);
this.bacAdjustment.Render(src, dest, rois);
foreach (Gdk.Rectangle roi in rois)
{
for (int y = roi.Top; y < roi.Bottom; ++y)
{
ColorBgra *srcPtr = src.GetPointAddress(roi.X, y);
ColorBgra *dstPtr = dest.GetPointAddress(roi.X, y);
for (int x = roi.Left; x < roi.Right; ++x)
{
ColorBgra srcGrey = this.desaturateOp.Apply(*srcPtr);
srcGrey.R = Utility.ClampToByte((int)((float)srcGrey.R * redAdjust));
srcGrey.B = Utility.ClampToByte((int)((float)srcGrey.B * blueAdjust));
ColorBgra mypixel = this.overlayOp.Apply(srcGrey, *dstPtr);
* dstPtr = mypixel;
++srcPtr;
++dstPtr;
}
}
}
}
/// <summary>
/// Provides a default implementation for performing dst = F(dst, src) or F(src) over some rectangle
/// of interest. May be slightly faster than calling the other multi-parameter Apply method, as less
/// variables are used in the implementation, thus inducing less register pressure.
/// </summary>
/// <param name="dst">The Surface to write pixels to, and from which pixels are read and used as the lhs parameter for calling the method <b>ColorBgra Apply(ColorBgra, ColorBgra)</b>.</param>
/// <param name="dstOffset">The pixel offset that defines the upper-left of the rectangle-of-interest for the dst Surface.</param>
/// <param name="src">The Surface to read pixels from for the rhs parameter given to the method <b>ColorBgra Apply(ColorBgra, ColorBgra)</b>b>.</param></param>
/// <param name="srcOffset">The pixel offset that defines the upper-left of the rectangle-of-interest for the src Surface.</param>
/// <param name="roiSize">The size of the rectangles-of-interest for all Surfaces.</param>
public void ApplyBase(ImageSurface dst, Gdk.Point dstOffset, ImageSurface src, Gdk.Point srcOffset, Gdk.Size roiSize)
{
// Create bounding rectangles for each Surface
Gdk.Rectangle dstRect = new Gdk.Rectangle(dstOffset, roiSize);
if (dstRect.Width == 0 || dstRect.Height == 0)
{
return;
}
Gdk.Rectangle srcRect = new Gdk.Rectangle(srcOffset, roiSize);
if (srcRect.Width == 0 || srcRect.Height == 0)
{
return;
}
// Clip those rectangles to those Surface's bounding rectangles
Gdk.Rectangle dstClip = Gdk.Rectangle.Intersect(dstRect, dst.GetBounds());
Gdk.Rectangle srcClip = Gdk.Rectangle.Intersect(srcRect, src.GetBounds());
// If any of those Rectangles actually got clipped, then throw an exception
if (dstRect != dstClip)
{
throw new ArgumentOutOfRangeException
(
"roiSize",
"Destination roi out of bounds" +
string.Format(", dst.Size=({0},{1}", dst.Width, dst.Height) +
", dst.Bounds=" + dst.GetBounds().ToString() +
", dstOffset=" + dstOffset.ToString() +
string.Format(", src.Size=({0},{1}", src.Width, src.Height) +
", srcOffset=" + srcOffset.ToString() +
", roiSize=" + roiSize.ToString() +
", dstRect=" + dstRect.ToString() +
", dstClip=" + dstClip.ToString() +
", srcRect=" + srcRect.ToString() +
", srcClip=" + srcClip.ToString()
);
}
if (srcRect != srcClip)
{
throw new ArgumentOutOfRangeException("roiSize", "Source roi out of bounds");
}
// Cache the width and height properties
int width = roiSize.Width;
int height = roiSize.Height;
// Do the work.
unsafe {
for (int row = 0; row < height; ++row)
{
ColorBgra *dstPtr = dst.GetPointAddress(dstOffset.X, dstOffset.Y + row);
ColorBgra *srcPtr = src.GetPointAddress(srcOffset.X, srcOffset.Y + row);
Apply(dstPtr, srcPtr, width);
}
}
}
private unsafe void ApplyRectangle(ImageSurface surface, Gdk.Rectangle rect)
{
for (int y = rect.Left; y <= rect.GetBottom(); ++y)
{
ColorBgra *ptr = surface.GetPointAddress(rect.Left, y);
Apply(ptr, rect.Width);
}
}
public unsafe override void Render(ImageSurface src, ImageSurface dest, Gdk.Rectangle[] rois)
{
// Glow backgound
glowEffect.Data.Radius = 6;
glowEffect.Data.Brightness = -(Data.Coloring - 50) * 2;
glowEffect.Data.Contrast = -(Data.Coloring - 50) * 2;
this.glowEffect.Render(src, dest, rois);
// Create black outlines by finding the edges of objects
foreach (Gdk.Rectangle roi in rois)
{
for (int y = roi.Top; y < roi.Bottom; ++y)
{
int top = y - radius;
int bottom = y + radius + 1;
if (top < 0)
{
top = 0;
}
if (bottom > dest.Height)
{
bottom = dest.Height;
}
ColorBgra *srcPtr = src.GetPointAddress(roi.X, y);
ColorBgra *dstPtr = dest.GetPointAddress(roi.X, y);
for (int x = roi.Left; x < roi.Right; ++x)
{
int left = x - radius;
int right = x + radius + 1;
if (left < 0)
{
left = 0;
}
if (right > dest.Width)
{
right = dest.Width;
}
int r = 0;
int g = 0;
int b = 0;
int src_width = src.Width;
ColorBgra *src_dataptr = (ColorBgra *)src.DataPtr;
for (int v = top; v < bottom; v++)
{
ColorBgra *pRow = src.GetRowAddressUnchecked(src_dataptr, src_width, v);
int j = v - y + radius;
for (int u = left; u < right; u++)
{
int i1 = u - x + radius;
int w = conv[j][i1];
ColorBgra *pRef = pRow + u;
r += pRef->R * w;
g += pRef->G * w;
b += pRef->B * w;
}
}
ColorBgra topLayer = ColorBgra.FromBgr(
Utility.ClampToByte(b),
Utility.ClampToByte(g),
Utility.ClampToByte(r));
// Desaturate
topLayer = this.desaturateOp.Apply(topLayer);
// Adjust Brightness and Contrast
if (topLayer.R > (Data.InkOutline * 255 / 100))
{
topLayer = ColorBgra.FromBgra(255, 255, 255, topLayer.A);
}
else
{
topLayer = ColorBgra.FromBgra(0, 0, 0, topLayer.A);
}
// Change Blend Mode to Darken
ColorBgra myPixel = this.darkenOp.Apply(topLayer, *dstPtr);
* dstPtr = myPixel;
++srcPtr;
++dstPtr;
}
}
}
}
public override void Apply(ImageSurface dst, Gdk.Point dstOffset, ImageSurface src, Gdk.Point srcOffset, int scanLength)
{
Apply(dst.GetPointAddress(dstOffset), src.GetPointAddress(srcOffset), scanLength);
}
unsafe public override void Render(ImageSurface src, ImageSurface dst, Gdk.Rectangle[] rois)
{
int width = src.Width;
int height = src.Height;
int r = Data.Amount;
Random localRandom = this.random;
int * intensityCount = stackalloc int[256];
uint *avgRed = stackalloc uint[256];
uint *avgGreen = stackalloc uint[256];
uint *avgBlue = stackalloc uint[256];
uint *avgAlpha = stackalloc uint[256];
byte *intensityChoices = stackalloc byte[(1 + (r * 2)) * (1 + (r * 2))];
int src_width = src.Width;
ColorBgra *src_data_ptr = (ColorBgra *)src.DataPtr;
foreach (var rect in rois)
{
int rectTop = rect.Top;
int rectBottom = rect.GetBottom();
int rectLeft = rect.Left;
int rectRight = rect.GetRight();
for (int y = rectTop; y <= rectBottom; ++y)
{
ColorBgra *dstPtr = dst.GetPointAddress(rect.Left, y);
int top = y - r;
int bottom = y + r + 1;
if (top < 0)
{
top = 0;
}
if (bottom > height)
{
bottom = height;
}
for (int x = rectLeft; x <= rectRight; ++x)
{
int intensityChoicesIndex = 0;
for (int i = 0; i < 256; ++i)
{
intensityCount[i] = 0;
avgRed[i] = 0;
avgGreen[i] = 0;
avgBlue[i] = 0;
avgAlpha[i] = 0;
}
int left = x - r;
int right = x + r + 1;
if (left < 0)
{
left = 0;
}
if (right > width)
{
right = width;
}
for (int j = top; j < bottom; ++j)
{
if (j < 0 || j >= height)
{
continue;
}
ColorBgra *srcPtr = src.GetPointAddressUnchecked(src_data_ptr, src_width, left, j);
for (int i = left; i < right; ++i)
{
byte intensity = srcPtr->GetIntensityByte();
intensityChoices[intensityChoicesIndex] = intensity;
++intensityChoicesIndex;
++intensityCount[intensity];
avgRed[intensity] += srcPtr->R;
avgGreen[intensity] += srcPtr->G;
avgBlue[intensity] += srcPtr->B;
avgAlpha[intensity] += srcPtr->A;
++srcPtr;
}
}
int randNum;
lock (localRandom) {
randNum = localRandom.Next(intensityChoicesIndex);
}
byte chosenIntensity = intensityChoices[randNum];
byte R = (byte)(avgRed[chosenIntensity] / intensityCount[chosenIntensity]);
byte G = (byte)(avgGreen[chosenIntensity] / intensityCount[chosenIntensity]);
byte B = (byte)(avgBlue[chosenIntensity] / intensityCount[chosenIntensity]);
byte A = (byte)(avgAlpha[chosenIntensity] / intensityCount[chosenIntensity]);
*dstPtr = ColorBgra.FromBgra(B, G, R, A);
++dstPtr;
// prepare the array for the next loop iteration
for (int i = 0; i < intensityChoicesIndex; ++i)
{
intensityChoices[i] = 0;
}
}
}
}
}
public static unsafe ColorBgra *GetPointAddress(this ImageSurface surf, Gdk.Point point)
{
return(surf.GetPointAddress(point.X, point.Y));
}
unsafe public override void Render(ImageSurface src, ImageSurface dst, Gdk.Rectangle[] rois)
{
double[,] weights = Weights;
var srcWidth = src.Width;
var srcHeight = src.Height;
ColorBgra *src_data_ptr = (ColorBgra *)src.DataPtr;
foreach (var rect in rois)
{
// loop through each line of target rectangle
for (int y = rect.Top; y < rect.Bottom; ++y)
{
int fyStart = 0;
int fyEnd = 3;
if (y == 0)
{
fyStart = 1;
}
if (y == srcHeight - 1)
{
fyEnd = 2;
}
// loop through each point in the line
ColorBgra *dstPtr = dst.GetPointAddress(rect.Left, y);
for (int x = rect.Left; x < rect.Right; ++x)
{
int fxStart = 0;
int fxEnd = 3;
if (x == 0)
{
fxStart = 1;
}
if (x == srcWidth - 1)
{
fxEnd = 2;
}
// loop through each weight
double sum = 0.0;
for (int fy = fyStart; fy < fyEnd; ++fy)
{
for (int fx = fxStart; fx < fxEnd; ++fx)
{
double weight = weights[fy, fx];
ColorBgra c = src.GetPointUnchecked(src_data_ptr, srcWidth, x - 1 + fx, y - 1 + fy);
double intensity = (double)c.GetIntensityByte();
sum += weight * intensity;
}
}
int iSum = (int)sum;
iSum += 128;
if (iSum > 255)
{
iSum = 255;
}
if (iSum < 0)
{
iSum = 0;
}
*dstPtr = ColorBgra.FromBgra((byte)iSum, (byte)iSum, (byte)iSum, 255);
++dstPtr;
}
}
}
}
unsafe public void Render(ImageSurface surface, Gdk.Rectangle[] rois)
{
byte startAlpha;
byte endAlpha;
if (this.alphaOnly)
{
ComputeAlphaOnlyValuesFromColors(this.startColor, this.endColor, out startAlpha, out endAlpha);
}
else
{
startAlpha = this.startColor.A;
endAlpha = this.endColor.A;
}
surface.Flush();
ColorBgra *src_data_ptr = (ColorBgra *)surface.DataPtr;
int src_width = surface.Width;
for (int ri = 0; ri < rois.Length; ++ri)
{
Gdk.Rectangle rect = rois[ri];
if (this.startPoint.X == this.endPoint.X && this.startPoint.Y == this.endPoint.Y)
{
// Start and End point are the same ... fill with solid color.
for (int y = rect.Top; y <= rect.GetBottom(); ++y)
{
ColorBgra *pixelPtr = surface.GetPointAddress(rect.Left, y);
for (int x = rect.Left; x <= rect.GetRight(); ++x)
{
ColorBgra result;
if (this.alphaOnly && this.alphaBlending)
{
byte resultAlpha = (byte)Utility.FastDivideShortByByte((ushort)(pixelPtr->A * endAlpha), 255);
result = *pixelPtr;
result.A = resultAlpha;
}
else if (this.alphaOnly && !this.alphaBlending)
{
result = *pixelPtr;
result.A = endAlpha;
}
else if (!this.alphaOnly && this.alphaBlending)
{
result = this.normalBlendOp.Apply(*pixelPtr, this.endColor);
//if (!this.alphaOnly && !this.alphaBlending)
}
else
{
result = this.endColor;
}
*pixelPtr = result;
++pixelPtr;
}
}
}
else
{
var mainrect = rect;
Parallel.ForEach(Enumerable.Range(rect.Top, rect.Height),
(y) => ProcessGradientLine(startAlpha, endAlpha, y, mainrect, surface, src_data_ptr, src_width));
}
}
surface.MarkDirty();
AfterRender();
}