private void DrawGradient(Graphics g)
{
g.PixelOffsetMode = PixelOffsetMode.Half;
Rectangle gradientRect;
float gradientAngle;
switch (this.orientation)
{
case Orientation.Horizontal:
gradientAngle = 180.0f;
break;
case Orientation.Vertical:
gradientAngle = 90.0f;
break;
default:
throw new InvalidEnumArgumentException();
}
// draw gradient
gradientRect = ClientRectangle;
switch (this.orientation)
{
case Orientation.Horizontal:
gradientRect.Inflate(-triangleHalfLength, -triangleSize + 3);
break;
case Orientation.Vertical:
gradientRect.Inflate(-triangleSize + 3, -triangleHalfLength);
break;
default:
throw new InvalidEnumArgumentException();
}
if (this.customGradient != null && gradientRect.Width > 1 && gradientRect.Height > 1)
{
Surface gradientSurface = new Surface(gradientRect.Width, gradientRect.Height);
using (RenderArgs ra = new RenderArgs(gradientSurface))
{
Utility.DrawColorRectangle(ra.Graphics, ra.Bounds, Color.Transparent, false);
if (Orientation == Orientation.Horizontal)
{
for (int x = 0; x < gradientSurface.Width; ++x)
{
// TODO: refactor, double buffer, save this computation in a bitmap somewhere
double index = (double)(x * (this.customGradient.Length - 1)) / (double)(gradientSurface.Width - 1);
int indexL = (int)Math.Floor(index);
double t = 1.0 - (index - indexL);
int indexR = (int)Math.Min(this.customGradient.Length - 1, Math.Ceiling(index));
Color colorL = this.customGradient[indexL];
Color colorR = this.customGradient[indexR];
double a1 = colorL.A / 255.0;
double r1 = colorL.R / 255.0;
double g1 = colorL.G / 255.0;
double b1 = colorL.B / 255.0;
double a2 = colorR.A / 255.0;
double r2 = colorR.R / 255.0;
double g2 = colorR.G / 255.0;
double b2 = colorR.B / 255.0;
double at = (t * a1) + ((1.0 - t) * a2);
double rt;
double gt;
double bt;
if (at == 0)
{
rt = 0;
gt = 0;
bt = 0;
}
else
{
rt = ((t * a1 * r1) + ((1.0 - t) * a2 * r2)) / at;
gt = ((t * a1 * g1) + ((1.0 - t) * a2 * g2)) / at;
bt = ((t * a1 * b1) + ((1.0 - t) * a2 * b2)) / at;
}
int ap = Utility.Clamp((int)Math.Round(at * 255.0), 0, 255);
int rp = Utility.Clamp((int)Math.Round(rt * 255.0), 0, 255);
int gp = Utility.Clamp((int)Math.Round(gt * 255.0), 0, 255);
int bp = Utility.Clamp((int)Math.Round(bt * 255.0), 0, 255);
for (int y = 0; y < gradientSurface.Height; ++y)
{
ColorBgra src = gradientSurface[x, y];
// we are assuming that src.A = 255
int rd = ((rp * ap) + (src.R * (255 - ap))) / 255;
int gd = ((gp * ap) + (src.G * (255 - ap))) / 255;
int bd = ((bp * ap) + (src.B * (255 - ap))) / 255;
// TODO: proper alpha blending!
gradientSurface[x, y] = ColorBgra.FromBgra((byte)bd, (byte)gd, (byte)rd, 255);
}
}
g.DrawImage(ra.Bitmap, gradientRect, ra.Bounds, GraphicsUnit.Pixel);
}
else if (Orientation == Orientation.Vertical)
{
// TODO
}
else
{
throw new InvalidEnumArgumentException();
}
}
gradientSurface.Dispose();
}
else
{
using (LinearGradientBrush lgb = new LinearGradientBrush(this.ClientRectangle,
maxColor, minColor, gradientAngle, false))
{
g.FillRectangle(lgb, gradientRect);
}
}
// fill background
using (Region nonGradientRegion = new Region())
{
nonGradientRegion.MakeInfinite();
nonGradientRegion.Exclude(gradientRect);
using (SolidBrush sb = new SolidBrush(this.BackColor))
{
g.FillRegion(sb, nonGradientRegion);
}
}
// draw value triangles
for (int i = 0; i < this.vals.Length; i++)
{
int pos = ValueToPosition(vals[i]);
Brush brush;
Pen pen;
if (i == highlight)
{
brush = Brushes.Blue;
pen = (Pen)Pens.White.Clone();
}
else
{
brush = Brushes.Black;
pen = (Pen)Pens.Gray.Clone();
}
g.SmoothingMode = SmoothingMode.AntiAlias;
Point a1;
Point b1;
Point c1;
Point a2;
Point b2;
Point c2;
switch (this.orientation)
{
case Orientation.Horizontal:
a1 = new Point(pos - triangleHalfLength, 0);
b1 = new Point(pos, triangleSize - 1);
c1 = new Point(pos + triangleHalfLength, 0);
a2 = new Point(a1.X, Height - 1 - a1.Y);
b2 = new Point(b1.X, Height - 1 - b1.Y);
c2 = new Point(c1.X, Height - 1 - c1.Y);
break;
case Orientation.Vertical:
a1 = new Point(0, pos - triangleHalfLength);
b1 = new Point(triangleSize - 1, pos);
c1 = new Point(0, pos + triangleHalfLength);
a2 = new Point(Width - 1 - a1.X, a1.Y);
b2 = new Point(Width - 1 - b1.X, b1.Y);
c2 = new Point(Width - 1 - c1.X, c1.Y);
break;
default:
throw new InvalidEnumArgumentException();
}
if (this.drawNearNub)
{
g.FillPolygon(brush, new Point[] { a1, b1, c1, a1 });
}
if (this.drawFarNub)
{
g.FillPolygon(brush, new Point[] { a2, b2, c2, a2 });
}
if (pen != null)
{
if (this.drawNearNub)
{
g.DrawPolygon(pen, new Point[] { a1, b1, c1, a1 });
}
if (this.drawFarNub)
{
g.DrawPolygon(pen, new Point[] { a2, b2, c2, a2 });
}
pen.Dispose();
}
}
}
public override ColorBgra Apply(ColorBgra color)
{
return(ColorBgra.FromBgra(CurveB[color.B], CurveG[color.G], CurveR[color.R], color.A));
}
public override void Render(Surface src, Surface dest, Rectangle[] rois, int startIndex, int length)
{
unsafe
{
int w = dest.Width;
int h = dest.Height;
double invH = 1.0 / h;
double invZoom = 1.0 / _zoom;
double invQuality = 1.0 / _quality;
double aspect = (double)h / (double)w;
int count = _quality * _quality + 1;
double invCount = 1.0 / (double)count;
for (int ri = startIndex; ri < startIndex + length; ++ri)
{
Rectangle rect = rois[ri];
for (int y = rect.Top; y < rect.Bottom; y++)
{
ColorBgra *dstPtr = dest.GetPointAddressUnchecked(rect.Left, y);
for (int x = rect.Left; x < rect.Right; x++)
{
int r = 0;
int g = 0;
int b = 0;
int a = 0;
for (double i = 0; i < count; i++)
{
double u = (2.0 * x - w + (i * invCount)) * invH;
double v = (2.0 * y - h + ((i * invQuality) % 1)) * invH;
double radius = Math.Sqrt((u * u) + (v * v));
double radiusP = radius;
double theta = Math.Atan2(v, u);
double thetaP = theta + _angleTheta;
double uP = radiusP * Math.Cos(thetaP);
double vP = radiusP * Math.Sin(thetaP);
double jX = (uP - vP * aspect) * invZoom;
double jY = (vP + uP * aspect) * invZoom;
double j = Julia(jX, jY, JR, JI);
double c = _factor * j;
b += PixelUtils.ClampToByte(c - 768);
g += PixelUtils.ClampToByte(c - 512);
r += PixelUtils.ClampToByte(c - 256);
a += PixelUtils.ClampToByte(c - 0);
}
*dstPtr = ColorBgra.FromBgra(
PixelUtils.ClampToByte(b / count),
PixelUtils.ClampToByte(g / count),
PixelUtils.ClampToByte(r / count),
PixelUtils.ClampToByte(a / count));
++dstPtr;
}
}
}
}
}
public override ColorBgra Apply(ColorBgra lhs, ColorBgra rhs)
{
byte intensityByte = rhs.GetIntensityByte();
return(ColorBgra.FromBgra(lhs.B, lhs.G, lhs.R, ByteUtil.FastScale(intensityByte, lhs.A)));
}
public override ColorBgra Apply(ColorBgra color)
{
return(ColorBgra.FromBgra(color.B, color.G, color.R, Curve[color.A]));
}
public override ColorBgra Apply(ColorBgra color)
{
return(ColorBgra.FromBgra(blueLevels[color.B], greenLevels[color.G], redLevels[color.R], color.A));
}
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;
}
}
}
}
protected unsafe override void OnRender(Rectangle[] rois, int startIndex, int length)
{
Surface dst = DstArgs.Surface;
Surface src = SrcArgs.Surface;
for (int i = startIndex; i < startIndex + length; ++i)
{
Rectangle rect = rois[i];
// loop through each line of target rectangle
for (int y = rect.Top; y < rect.Bottom; ++y)
{
int fyStart = 0;
int fyEnd = 3;
if (y == src.Bounds.Top)
{
fyStart = 1;
}
if (y == src.Bounds.Bottom - 1)
{
fyEnd = 2;
}
// loop through each point in the line
ColorBgra *dstPtr = dst.GetPointAddressUnchecked(rect.Left, y);
for (int x = rect.Left; x < rect.Right; ++x)
{
int fxStart = 0;
int fxEnd = 3;
if (x == src.Bounds.Left)
{
fxStart = 1;
}
if (x == src.Bounds.Right - 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 = this.weights[fy][fx];
ColorBgra c = src.GetPointUnchecked(x - 1 + fx, y - 1 + fy);
double intensity = (double)c.GetIntensityByte();
sum += weight * intensity;
}
}
int iSum = (int)sum + 128;
if (iSum > 255)
{
iSum = 255;
}
else if (iSum < 0)
{
iSum = 0;
}
*dstPtr = ColorBgra.FromBgra((byte)iSum, (byte)iSum, (byte)iSum, 255);
++dstPtr;
}
}
}
}
unsafe public override void Render(ImageSurface src, ImageSurface dst, Gdk.Rectangle[] rois)
{
const double jr = 0.3125;
const double ji = 0.03;
int w = dst.Width;
int h = dst.Height;
double invH = 1.0 / h;
double invZoom = 1.0 / Data.Zoom;
double invQuality = 1.0 / Data.Quality;
double aspect = (double)h / (double)w;
int count = Data.Quality * Data.Quality + 1;
double invCount = 1.0 / (double)count;
double angleTheta = (Data.Angle * Math.PI * 2) / 360.0;
ColorBgra *dst_dataptr = (ColorBgra *)dst.DataPtr;
int dst_width = dst.Width;
foreach (Gdk.Rectangle rect in rois)
{
for (int y = rect.Top; y <= rect.GetBottom(); y++)
{
ColorBgra *dstPtr = dst.GetPointAddressUnchecked(dst_dataptr, dst_width, rect.Left, y);
for (int x = rect.Left; x <= rect.GetRight(); x++)
{
int r = 0;
int g = 0;
int b = 0;
int a = 0;
for (double i = 0; i < count; i++)
{
double u = (2.0 * x - w + (i * invCount)) * invH;
double v = (2.0 * y - h + ((i * invQuality) % 1)) * invH;
double radius = Math.Sqrt((u * u) + (v * v));
double radiusP = radius;
double theta = Math.Atan2(v, u);
double thetaP = theta + angleTheta;
double uP = radiusP * Math.Cos(thetaP);
double vP = radiusP * Math.Sin(thetaP);
double jX = (uP - vP * aspect) * invZoom;
double jY = (vP + uP * aspect) * invZoom;
double j = Julia(jX, jY, jr, ji);
double c = Data.Factor * j;
b += Utility.ClampToByte(c - 768);
g += Utility.ClampToByte(c - 512);
r += Utility.ClampToByte(c - 256);
a += Utility.ClampToByte(c - 0);
}
*dstPtr = ColorBgra.FromBgra(Utility.ClampToByte(b / count), Utility.ClampToByte(g / count), Utility.ClampToByte(r / count), Utility.ClampToByte(a / count));
++dstPtr;
}
}
}
}
protected unsafe override void RenderLine(ISurface src, ISurface dst, Rectangle rect)
{
if (amount == 0)
{
// Copy src to dest
return;
}
var src_bounds = src.Bounds;
long w = dst.Width;
long h = dst.Height;
long fox = (long)(dst.Width * offset.X * 32768.0);
long foy = (long)(dst.Height * offset.Y * 32768.0);
long fcx = fox + (w << 15);
long fcy = foy + (h << 15);
long fz = amount;
const int n = 64;
for (int y = rect.Top; y <= rect.Bottom; ++y)
{
ColorBgra *dstPtr = dst.GetPointAddress(rect.Left, y);
ColorBgra *srcPtr = src.GetPointAddress(rect.Left, y);
for (int x = rect.Left; x <= rect.Right; ++x)
{
long fx = (x << 16) - fcx;
long fy = (y << 16) - fcy;
int sr = 0;
int sg = 0;
int sb = 0;
int sa = 0;
int sc = 0;
sr += srcPtr->R * srcPtr->A;
sg += srcPtr->G * srcPtr->A;
sb += srcPtr->B * srcPtr->A;
sa += srcPtr->A;
++sc;
for (int i = 0; i < n; ++i)
{
fx -= ((fx >> 4) * fz) >> 10;
fy -= ((fy >> 4) * fz) >> 10;
int u = (int)(fx + fcx + 32768 >> 16);
int v = (int)(fy + fcy + 32768 >> 16);
if (src_bounds.Contains(u, v))
{
ColorBgra *srcPtr2 = src.GetPointAddress(u, v);
sr += srcPtr2->R * srcPtr2->A;
sg += srcPtr2->G * srcPtr2->A;
sb += srcPtr2->B * srcPtr2->A;
sa += srcPtr2->A;
++sc;
}
}
if (sa != 0)
{
*dstPtr = ColorBgra.FromBgra(
Utility.ClampToByte(sb / sa),
Utility.ClampToByte(sg / sa),
Utility.ClampToByte(sr / sa),
Utility.ClampToByte(sa / sc));
}
else
{
dstPtr->Bgra = 0;
}
++srcPtr;
++dstPtr;
}
}
}
public unsafe override void Render(ImageSurface src, ImageSurface dst, Gdk.Rectangle[] rois)
{
if (Data.Angle == 0)
{
// Copy src to dest
return;
}
int w = dst.Width;
int h = dst.Height;
int fcx = (w << 15) + (int)(Data.Offset.X * (w << 15));
int fcy = (h << 15) + (int)(Data.Offset.Y * (h << 15));
int n = (Data.Quality * Data.Quality) * (30 + Data.Quality * Data.Quality);
int fr = (int)(Data.Angle * Math.PI * 65536.0 / 181.0);
foreach (Gdk.Rectangle rect in rois)
{
for (int y = rect.Top; y < rect.Bottom; ++y)
{
ColorBgra *dstPtr = dst.GetPointAddressUnchecked(rect.Left, y);
ColorBgra *srcPtr = src.GetPointAddressUnchecked(rect.Left, y);
for (int x = rect.Left; x < rect.Right; ++x)
{
int fx = (x << 16) - fcx;
int fy = (y << 16) - fcy;
int fsr = fr / n;
int sr = 0;
int sg = 0;
int sb = 0;
int sa = 0;
int sc = 0;
sr += srcPtr->R * srcPtr->A;
sg += srcPtr->G * srcPtr->A;
sb += srcPtr->B * srcPtr->A;
sa += srcPtr->A;
++sc;
int ox1 = fx;
int ox2 = fx;
int oy1 = fy;
int oy2 = fy;
ColorBgra *src_dataptr = (ColorBgra *)src.DataPtr;
int src_width = src.Width;
for (int i = 0; i < n; ++i)
{
Rotate(ref ox1, ref oy1, fsr);
Rotate(ref ox2, ref oy2, -fsr);
int u1 = ox1 + fcx + 32768 >> 16;
int v1 = oy1 + fcy + 32768 >> 16;
if (u1 > 0 && v1 > 0 && u1 < w && v1 < h)
{
ColorBgra *sample = src.GetPointAddressUnchecked(src_dataptr, src_width, u1, v1);
sr += sample->R * sample->A;
sg += sample->G * sample->A;
sb += sample->B * sample->A;
sa += sample->A;
++sc;
}
int u2 = ox2 + fcx + 32768 >> 16;
int v2 = oy2 + fcy + 32768 >> 16;
if (u2 > 0 && v2 > 0 && u2 < w && v2 < h)
{
ColorBgra *sample = src.GetPointAddressUnchecked(src_dataptr, src_width, u2, v2);
sr += sample->R * sample->A;
sg += sample->G * sample->A;
sb += sample->B * sample->A;
sa += sample->A;
++sc;
}
}
if (sa > 0)
{
*dstPtr = ColorBgra.FromBgra(
Utility.ClampToByte(sb / sa),
Utility.ClampToByte(sg / sa),
Utility.ClampToByte(sr / sa),
Utility.ClampToByte(sa / sc));
}
else
{
dstPtr->Bgra = 0;
}
++dstPtr;
++srcPtr;
}
}
}
}
public unsafe void RenderConvolutionFilter(int[][] weights, int offset, RenderArgs dstArgs, RenderArgs srcArgs,
Rectangle[] rois, int startIndex, int length)
{
int weightsWidth = weights[0].Length;
int weightsHeight = weights.Length;
int fYOffset = -(weightsHeight / 2);
int fXOffset = -(weightsWidth / 2);
// we cache the beginning and ending horizontal indices into the weights matrix
// for every source pixel X location
// i.e. for src[x,y], where we're concerned with x, what weight[x,y] horizontal
// extent should we worry about?
// this way we end up with less branches and faster code (hopefully?!)
FExtent fxExtent = GetFExtent(srcArgs.Surface.Width, weightsWidth);
FExtent fyExtent = GetFExtent(srcArgs.Surface.Height, weightsHeight);
for (int ri = startIndex; ri < startIndex + length; ++ri)
{
Rectangle roi = rois[ri];
for (int y = roi.Top; y < roi.Bottom; ++y)
{
ColorBgra *dstPixel = dstArgs.Surface.GetPointAddressUnchecked(roi.Left, y);
int fyStart = fyExtent.fStarts[y];
int fyEnd = fyExtent.fEnds[y];
for (int x = roi.Left; x < roi.Right; ++x)
{
int redSum = 0;
int greenSum = 0;
int blueSum = 0;
int alphaSum = 0;
int colorFactor = 0;
int alphaFactor = 0;
int fxStart = fxExtent.fStarts[x];
int fxEnd = fxExtent.fEnds[x];
for (int fy = fyStart; fy < fyEnd; ++fy)
{
int srcY = y + fy + fYOffset;
int srcX1 = x + fXOffset + fxStart;
ColorBgra *srcPixel = srcArgs.Surface.GetPointAddressUnchecked(srcX1, srcY);
int[] wRow = weights[fy];
for (int fx = fxStart; fx < fxEnd; ++fx)
{
int srcX = fx + srcX1;
int weight = wRow[fx];
ColorBgra c = *srcPixel;
alphaFactor += weight;
weight = weight * (c.A + (c.A >> 7));
colorFactor += weight;
weight >>= 8;
redSum += c.R * weight;
blueSum += c.B * weight;
greenSum += c.G * weight;
alphaSum += c.A * weight;
++srcPixel;
}
}
colorFactor /= 256;
if (colorFactor != 0)
{
redSum /= colorFactor;
greenSum /= colorFactor;
blueSum /= colorFactor;
}
else
{
redSum = 0;
greenSum = 0;
blueSum = 0;
}
if (alphaFactor != 0)
{
alphaSum /= alphaFactor;
}
else
{
alphaSum = 0;
}
redSum += offset;
greenSum += offset;
blueSum += offset;
alphaSum += offset;
#region clamp values to [0,255]
if (redSum < 0)
{
redSum = 0;
}
else if (redSum > 255)
{
redSum = 255;
}
if (greenSum < 0)
{
greenSum = 0;
}
else if (greenSum > 255)
{
greenSum = 255;
}
if (blueSum < 0)
{
blueSum = 0;
}
else if (blueSum > 255)
{
blueSum = 255;
}
if (alphaSum < 0)
{
alphaSum = 0;
}
else if (alphaSum > 255)
{
alphaSum = 255;
}
#endregion
*dstPixel = ColorBgra.FromBgra((byte)blueSum, (byte)greenSum, (byte)redSum, (byte)alphaSum);
++dstPixel;
}
}
}
}
public unsafe override void Render(EffectConfigToken configToken, RenderArgs dstArgs, RenderArgs srcArgs,
Rectangle[] rois, int startIndex, int length)
{
EmbossEffectConfigToken eect = (EmbossEffectConfigToken)configToken;
double[,] weights = eect.Weights;
Surface dst = dstArgs.Surface;
Surface src = srcArgs.Surface;
for (int i = startIndex; i < startIndex + length; ++i)
{
Rectangle rect = rois[i];
// loop through each line of target rectangle
for (int y = rect.Top; y < rect.Bottom; ++y)
{
int fyStart = 0;
int fyEnd = 3;
if (y == src.Bounds.Top)
{
fyStart = 1;
}
if (y == src.Bounds.Bottom - 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 == src.Bounds.Left)
{
fxStart = 1;
}
if (x == src.Bounds.Right - 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(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;
}
}
}
}
private void SetSliderGradients()
{
HsvColor h = wheel.HsvColor;
ColorBgra c = wheel.Color;
rslider.Gradient = new ColorBgra[] { ColorBgra.FromBgr(c.B, c.G, 0), ColorBgra.FromBgr(c.B, c.G, 255) };
gslider.Gradient = new ColorBgra[] { ColorBgra.FromBgr(c.B, 0, c.R), ColorBgra.FromBgr(c.B, 255, c.R) };
bslider.Gradient = new ColorBgra[] { ColorBgra.FromBgr(0, c.G, c.R), ColorBgra.FromBgr(255, c.G, c.R) };
aslider.Gradient = new ColorBgra[] { ColorBgra.FromBgra(c.B, c.G, c.R, 0), ColorBgra.FromBgra(c.B, c.G, c.R, 255) };
sslider.Gradient = new ColorBgra[] { new HsvColor(h.Hue, 0, h.Value).ToColorBgra(), new HsvColor(h.Hue, 100, h.Value).ToColorBgra() };
vslider.Gradient = new ColorBgra[] { new HsvColor(h.Hue, h.Saturation, 0).ToColorBgra(), new HsvColor(h.Hue, h.Saturation, 100).ToColorBgra() };
if (hslider.Gradient == null)
{
ColorBgra[] hues = new ColorBgra[361];
for (int hue = 0; hue <= 360; ++hue)
{
hues[hue] = new HsvColor(hue, 100, 100).ToColorBgra();
}
hslider.Gradient = hues;
}
}
public unsafe void Render(Surface src, Surface dst, Rectangle[] rois, int start, int len)
{
int width = src.Width;
int height = src.Height;
int arrayLens = 1 + this.coarseness;
int localStoreSize = arrayLens * 5 * sizeof(int);
byte *localStore = stackalloc byte[localStoreSize];
byte *p = localStore;
int *intensityCount = (int *)p;
p += arrayLens * sizeof(int);
uint *avgRed = (uint *)p;
p += arrayLens * sizeof(uint);
uint *avgGreen = (uint *)p;
p += arrayLens * sizeof(uint);
uint *avgBlue = (uint *)p;
p += arrayLens * sizeof(uint);
uint *avgAlpha = (uint *)p;
p += arrayLens * sizeof(uint);
byte maxIntensity = this.coarseness;
//TODO: review here
for (int r = start; r < start + len; ++r)
{
Rectangle rect = rois[r];
int rectTop = rect.Top;
int rectBottom = rect.Bottom;
int rectLeft = rect.Left;
int rectRight = rect.Right;
for (int y = rectTop; y < rectBottom; ++y)
{
ColorBgra *dstPtr = dst.GetPointAddressUnchecked(rect.Left, y);
int top = y - brushSize;
int bottom = y + brushSize + 1;
if (top < 0)
{
top = 0;
}
if (bottom > height)
{
bottom = height;
}
for (int x = rectLeft; x < rectRight; ++x)
{
PlatformMemory.SetToZero(localStore, (ulong)localStoreSize);
int left = x - brushSize;
int right = x + brushSize + 1;
if (left < 0)
{
left = 0;
}
if (right > width)
{
right = width;
}
int numInt = 0;
for (int j = top; j < bottom; ++j)
{
ColorBgra *srcPtr = src.GetPointAddressUnchecked(left, j);
for (int i = left; i < right; ++i)
{
byte intensity = PixelUtils.FastScaleByteByByte(srcPtr->GetIntensityByte(), maxIntensity);
++intensityCount[intensity];
++numInt;
avgRed[intensity] += srcPtr->R;
avgGreen[intensity] += srcPtr->G;
avgBlue[intensity] += srcPtr->B;
avgAlpha[intensity] += srcPtr->A;
++srcPtr;
}
}
byte chosenIntensity = 0;
int maxInstance = 0;
for (int i = 0; i <= maxIntensity; ++i)
{
if (intensityCount[i] > maxInstance)
{
chosenIntensity = (byte)i;
maxInstance = intensityCount[i];
}
}
// TODO: correct handling of alpha values?
byte R = (byte)(avgRed[chosenIntensity] / maxInstance);
byte G = (byte)(avgGreen[chosenIntensity] / maxInstance);
byte B = (byte)(avgBlue[chosenIntensity] / maxInstance);
byte A = (byte)(avgAlpha[chosenIntensity] / maxInstance);
*dstPtr = ColorBgra.FromBgra(B, G, R, A);
++dstPtr;
}
}
}
}
unsafe public override void Render(ImageSurface src, ImageSurface dst, Gdk.Rectangle[] rois)
{
int width = dst.Width;
int height = dst.Height;
float hw = width / 2f;
float hh = height / 2f;
float sin = (float)Math.Sin(Data.Rotation * Math.PI / 180.0);
float cos = (float)Math.Cos(Data.Rotation * Math.PI / 180.0);
float scale = (float)Math.PI / Data.TileSize;
float intensity = Data.Intensity;
intensity = intensity * intensity / 10 * Math.Sign(intensity);
int aaLevel = 4;
int aaSamples = aaLevel * aaLevel + 1;
PointD *aaPoints = stackalloc PointD[aaSamples];
for (int i = 0; i < aaSamples; ++i)
{
double x = (i * aaLevel) / (double)aaSamples;
double y = i / (double)aaSamples;
x -= (int)x;
// RGSS + rotation to maximize AA quality
aaPoints[i] = new PointD((double)(cos * x + sin * y), (double)(cos * y - sin * x));
}
int src_width = src.Width;
ColorBgra *src_data_ptr = (ColorBgra *)src.DataPtr;
foreach (var rect in rois)
{
for (int y = rect.Top; y <= rect.GetBottom(); y++)
{
float j = y - hh;
ColorBgra *dstPtr = dst.GetPointAddressUnchecked(rect.Left, y);
for (int x = rect.Left; x <= rect.GetRight(); x++)
{
int b = 0;
int g = 0;
int r = 0;
int a = 0;
float i = x - hw;
for (int p = 0; p < aaSamples; ++p)
{
PointD pt = aaPoints[p];
float u = i + (float)pt.X;
float v = j - (float)pt.Y;
float s = cos * u + sin * v;
float t = -sin * u + cos * v;
s += intensity * (float)Math.Tan(s * scale);
t += intensity * (float)Math.Tan(t * scale);
u = cos * s - sin * t;
v = sin * s + cos * t;
int xSample = (int)(hw + u);
int ySample = (int)(hh + v);
xSample = (xSample + width) % width;
// This makes it a little faster
if (xSample < 0)
{
xSample = (xSample + width) % width;
}
ySample = (ySample + height) % height;
// This makes it a little faster
if (ySample < 0)
{
ySample = (ySample + height) % height;
}
ColorBgra sample = *src.GetPointAddressUnchecked(src_data_ptr, src_width, xSample, ySample);
b += sample.B;
g += sample.G;
r += sample.R;
a += sample.A;
}
*(dstPtr++) = ColorBgra.FromBgra((byte)(b / aaSamples), (byte)(g / aaSamples),
(byte)(r / aaSamples), (byte)(a / aaSamples));
}
}
}
}
public unsafe override void Render(ImageSurface src, ImageSurface dest, Gdk.Rectangle[] rois)
{
int width = src.Width;
int height = src.Height;
int arrayLens = 1 + Data.Coarseness;
int localStoreSize = arrayLens * 5 * sizeof(int);
byte *localStore = stackalloc byte[localStoreSize];
byte *p = localStore;
int *intensityCount = (int *)p;
p += arrayLens * sizeof(int);
uint *avgRed = (uint *)p;
p += arrayLens * sizeof(uint);
uint *avgGreen = (uint *)p;
p += arrayLens * sizeof(uint);
uint *avgBlue = (uint *)p;
p += arrayLens * sizeof(uint);
uint *avgAlpha = (uint *)p;
p += arrayLens * sizeof(uint);
byte maxIntensity = (byte)Data.Coarseness;
foreach (Gdk.Rectangle rect in rois)
{
int rectTop = rect.Top;
int rectBottom = rect.GetBottom();
int rectLeft = rect.Left;
int rectRight = rect.GetRight();
ColorBgra *dst_dataptr = (ColorBgra *)dest.DataPtr;
int dst_width = dest.Width;
ColorBgra *src_dataptr = (ColorBgra *)src.DataPtr;
int src_width = src.Width;
for (int y = rectTop; y <= rectBottom; ++y)
{
ColorBgra *dstPtr = dest.GetPointAddressUnchecked(dst_dataptr, dst_width, rect.Left, y);
int top = y - Data.BrushSize;
int bottom = y + Data.BrushSize + 1;
if (top < 0)
{
top = 0;
}
if (bottom > height)
{
bottom = height;
}
for (int x = rectLeft; x <= rectRight; ++x)
{
SetToZero(localStore, (ulong)localStoreSize);
int left = x - Data.BrushSize;
int right = x + Data.BrushSize + 1;
if (left < 0)
{
left = 0;
}
if (right > width)
{
right = width;
}
int numInt = 0;
for (int j = top; j < bottom; ++j)
{
ColorBgra *srcPtr = src.GetPointAddressUnchecked(src_dataptr, src_width, left, j);
for (int i = left; i < right; ++i)
{
byte intensity = Utility.FastScaleByteByByte(srcPtr->GetIntensityByte(), maxIntensity);
++intensityCount[intensity];
++numInt;
avgRed[intensity] += srcPtr->R;
avgGreen[intensity] += srcPtr->G;
avgBlue[intensity] += srcPtr->B;
avgAlpha[intensity] += srcPtr->A;
++srcPtr;
}
}
byte chosenIntensity = 0;
int maxInstance = 0;
for (int i = 0; i <= maxIntensity; ++i)
{
if (intensityCount[i] > maxInstance)
{
chosenIntensity = (byte)i;
maxInstance = intensityCount[i];
}
}
// TODO: correct handling of alpha values?
byte R = (byte)(avgRed[chosenIntensity] / maxInstance);
byte G = (byte)(avgGreen[chosenIntensity] / maxInstance);
byte B = (byte)(avgBlue[chosenIntensity] / maxInstance);
byte A = (byte)(avgAlpha[chosenIntensity] / maxInstance);
*dstPtr = ColorBgra.FromBgra(B, G, R, A);
++dstPtr;
}
}
}
}
protected unsafe override void RenderLine(ISurface src, ISurface dst, Rectangle rect)
{
int width = src.Width;
int height = src.Height;
int r = 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 rectTop = rect.Top;
int rectBottom = rect.Bottom;
int rectLeft = rect.Left;
int rectRight = rect.Right;
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.GetPointAddress(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 unsafe override void Render(ImageSurface src, ImageSurface dst, Gdk.Rectangle[] rois)
{
if (Data.Amount == 0)
{
// Copy src to dest
return;
}
int src_width = src.Width;
ColorBgra *src_data_ptr = (ColorBgra *)src.DataPtr;
int dst_width = dst.Width;
ColorBgra *dst_data_ptr = (ColorBgra *)dst.DataPtr;
Gdk.Rectangle src_bounds = src.GetBounds();
long w = dst.Width;
long h = dst.Height;
long fox = (long)(dst.Width * Data.Offset.X * 32768.0);
long foy = (long)(dst.Height * Data.Offset.Y * 32768.0);
long fcx = fox + (w << 15);
long fcy = foy + (h << 15);
long fz = Data.Amount;
const int n = 64;
foreach (Gdk.Rectangle rect in rois)
{
for (int y = rect.Top; y <= rect.GetBottom(); ++y)
{
ColorBgra *dstPtr = dst.GetPointAddressUnchecked(dst_data_ptr, dst_width, rect.Left, y);
ColorBgra *srcPtr = src.GetPointAddressUnchecked(src_data_ptr, src_width, rect.Left, y);
for (int x = rect.Left; x <= rect.GetRight(); ++x)
{
long fx = (x << 16) - fcx;
long fy = (y << 16) - fcy;
int sr = 0;
int sg = 0;
int sb = 0;
int sa = 0;
int sc = 0;
sr += srcPtr->R * srcPtr->A;
sg += srcPtr->G * srcPtr->A;
sb += srcPtr->B * srcPtr->A;
sa += srcPtr->A;
++sc;
for (int i = 0; i < n; ++i)
{
fx -= ((fx >> 4) * fz) >> 10;
fy -= ((fy >> 4) * fz) >> 10;
int u = (int)(fx + fcx + 32768 >> 16);
int v = (int)(fy + fcy + 32768 >> 16);
if (src_bounds.Contains(u, v))
{
ColorBgra *srcPtr2 = src.GetPointAddressUnchecked(src_data_ptr, src_width, u, v);
sr += srcPtr2->R * srcPtr2->A;
sg += srcPtr2->G * srcPtr2->A;
sb += srcPtr2->B * srcPtr2->A;
sa += srcPtr2->A;
++sc;
}
}
if (sa != 0)
{
*dstPtr = ColorBgra.FromBgra(
Utility.ClampToByte(sb / sa),
Utility.ClampToByte(sg / sa),
Utility.ClampToByte(sr / sa),
Utility.ClampToByte(sa / sc));
}
else
{
dstPtr->Bgra = 0;
}
++srcPtr;
++dstPtr;
}
}
}
}
private ColorBgra ReadColor(Stream input, int pixelDepth, ColorBgra[] palette)
{
ColorBgra color;
switch (pixelDepth)
{
case 32:
{
long colorInt = Utility.ReadUInt32(input);
if (colorInt == -1)
{
throw new EndOfStreamException();
}
color = ColorBgra.FromUInt32((uint)colorInt);
break;
}
case 24:
{
int colorInt = Utility.ReadUInt24(input);
if (colorInt == -1)
{
throw new EndOfStreamException();
}
color = ColorBgra.FromUInt32((uint)colorInt);
color.A = 255;
break;
}
case 15:
case 16:
{
int colorWord = Utility.ReadUInt16(input);
if (colorWord == -1)
{
throw new EndOfStreamException();
}
color = ColorBgra.FromBgra(
(byte)((colorWord >> 7) & 0xf8),
(byte)((colorWord >> 2) & 0xf8),
(byte)((colorWord & 0x1f) * 8),
255);
break;
}
case 8:
{
int colorByte = input.ReadByte();
if (colorByte == -1)
{
throw new EndOfStreamException();
}
if (colorByte >= palette.Length)
{
throw new FormatException("color index was outside the bounds of the palette");
}
color = palette[colorByte];
break;
}
default:
throw new FormatException("colorDepth was not one of {8, 15, 16, 24, 32}");
}
return(color);
}
public override void Render(Surface src, Surface dst, Rectangle[] rois, int startIndex, int length)
{
unsafe
{
// Glow backgound
glowRenderer.Render(src, dst, rois, startIndex, length);
// Create black outlines by finding the edges of objects
for (int i = startIndex; i < startIndex + length; ++i)
{
Rectangle roi = rois[i];
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 > dst.Height)
{
bottom = dst.Height;
}
ColorBgra *srcPtr = src.GetPointAddress(roi.X, y);
ColorBgra *dstPtr = src.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 > dst.Width)
{
right = dst.Width;
}
int r = 0;
int g = 0;
int b = 0;
for (int v = top; v < bottom; v++)
{
ColorBgra *pRow = src.GetRowAddress(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(
PixelUtils.ClampToByte(b),
PixelUtils.ClampToByte(g),
PixelUtils.ClampToByte(r));
// Desaturate
topLayer = this.desaturateOp.Apply(topLayer);
// Adjust Brightness and Contrast
if (topLayer.R > (this.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;
}
}
}
}
}
protected override unsafe void OnRender(Rectangle[] renderRects, int startIndex, int length)
{
int w = DstArgs.Width;
int h = DstArgs.Height;
double wDiv2 = (double)w / 2;
double hDiv2 = (double)h / 2;
double invH = 1.0 / h;
double invZoom = 1.0 / this.zoom;
double invQuality = 1.0 / (double)this.quality;
int count = this.quality * this.quality + 1;
double invCount = 1.0 / (double)count;
for (int ri = startIndex; ri < startIndex + length; ++ri)
{
Rectangle rect = renderRects[ri];
for (int y = rect.Top; y < rect.Bottom; y++)
{
ColorBgra *dstPtr = DstArgs.Surface.GetPointAddressUnchecked(rect.Left, y);
for (int x = rect.Left; x < rect.Right; x++)
{
int r = 0;
int g = 0;
int b = 0;
int a = 0;
for (double i = 0; i < count; i++)
{
double u = (2.0 * x - w + (i * invCount)) * invH;
double v = (2.0 * y - h + ((i * invQuality) % 1)) * invH;
double radius = Math.Sqrt((u * u) + (v * v));
double radiusP = radius;
double theta = Math.Atan2(v, u);
double thetaP = theta + this.angleTheta;
double uP = radiusP * Math.Cos(thetaP);
double vP = radiusP * Math.Sin(thetaP);
double m = Mandelbrot(
(uP * invZoom) + this.xOffset,
(vP * invZoom) + this.yOffset,
this.factor);
double c = 64 + this.factor * m;
r += Utility.ClampToByte(c - 768);
g += Utility.ClampToByte(c - 512);
b += Utility.ClampToByte(c - 256);
a += Utility.ClampToByte(c - 0);
}
*dstPtr = ColorBgra.FromBgra(
Utility.ClampToByte(b / count),
Utility.ClampToByte(g / count),
Utility.ClampToByte(r / count),
Utility.ClampToByte(a / count));
++dstPtr;
}
}
if (this.invertColors)
{
for (int y = rect.Top; y < rect.Bottom; y++)
{
ColorBgra *dstPtr = DstArgs.Surface.GetPointAddressUnchecked(rect.Left, y);
for (int x = rect.Left; x < rect.Right; ++x)
{
ColorBgra c = *dstPtr;
c.B = (byte)(255 - c.B);
c.G = (byte)(255 - c.G);
c.R = (byte)(255 - c.R);
*dstPtr = c;
++dstPtr;
}
}
}
}
}
public unsafe void RenderColorDifferenceEffect(
double[][] weights,
RenderArgs dstArgs,
RenderArgs srcArgs,
Rectangle[] rois,
int startIndex,
int length)
{
Surface dst = dstArgs.Surface;
Surface src = srcArgs.Surface;
for (int i = startIndex; i < startIndex + length; ++i)
{
Rectangle rect = rois[i];
// loop through each line of target rectangle
for (int y = rect.Top; y < rect.Bottom; ++y)
{
int fyStart = 0;
int fyEnd = 3;
if (y == src.Bounds.Top)
{
fyStart = 1;
}
if (y == src.Bounds.Bottom - 1)
{
fyEnd = 2;
}
// loop through each point in the line
ColorBgra *dstPtr = dst.GetPointAddressUnchecked(rect.Left, y);
for (int x = rect.Left; x < rect.Right; ++x)
{
int fxStart = 0;
int fxEnd = 3;
if (x == src.Bounds.Left)
{
fxStart = 1;
}
if (x == src.Bounds.Right - 1)
{
fxEnd = 2;
}
// loop through each weight
double rSum = 0.0;
double gSum = 0.0;
double bSum = 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(x - 1 + fx, y - 1 + fy);
rSum += weight * (double)c.R;
gSum += weight * (double)c.G;
bSum += weight * (double)c.B;
}
}
int iRsum = (int)rSum;
int iGsum = (int)gSum;
int iBsum = (int)bSum;
if (iRsum > 255)
{
iRsum = 255;
}
if (iGsum > 255)
{
iGsum = 255;
}
if (iBsum > 255)
{
iBsum = 255;
}
if (iRsum < 0)
{
iRsum = 0;
}
if (iGsum < 0)
{
iGsum = 0;
}
if (iBsum < 0)
{
iBsum = 0;
}
*dstPtr = ColorBgra.FromBgra((byte)iBsum, (byte)iGsum, (byte)iRsum, 255);
++dstPtr;
}
}
}
}
public static unsafe ColorBgra GetPercentile(int percentile, int area, int *hb, int *hg, int *hr, int *ha)
{
int minCount = area * percentile / 100;
int b = 0;
int bCount = 0;
while (b < 255 && hb[b] == 0)
{
++b;
}
while (b < 255 && bCount < minCount)
{
bCount += hb[b];
++b;
}
int g = 0;
int gCount = 0;
while (g < 255 && hg[g] == 0)
{
++g;
}
while (g < 255 && gCount < minCount)
{
gCount += hg[g];
++g;
}
int r = 0;
int rCount = 0;
while (r < 255 && hr[r] == 0)
{
++r;
}
while (r < 255 && rCount < minCount)
{
rCount += hr[r];
++r;
}
int a = 0;
int aCount = 0;
while (a < 255 && ha[a] == 0)
{
++a;
}
while (a < 255 && aCount < minCount)
{
aCount += ha[a];
++a;
}
return(ColorBgra.FromBgra((byte)b, (byte)g, (byte)r, (byte)a));
}
public override ColorBgra Apply(ColorBgra color)
{
int i = 0;
int h, s, v, delta;
switch (InputMode)
{
case Channel.A:
i = Curve[color.A];
break;
case Channel.R:
i = Curve[color.R];
break;
case Channel.G:
i = Curve[color.G];
break;
case Channel.B:
i = Curve[color.B];
break;
case Channel.C:
i = 255 - color.R;
i -= Math.Min(Math.Min(255 - color.R, 255 - color.G), 255 - color.B);
i = Curve[i];
break;
case Channel.M:
i = 255 - color.G;
i -= Math.Min(Math.Min(255 - color.R, 255 - color.G), 255 - color.B);
i = Curve[i];
break;
case Channel.Y:
i = 255 - color.B;
i -= Math.Min(Math.Min(255 - color.R, 255 - color.G), 255 - color.B);
i = Curve[i];
break;
case Channel.K:
i = Math.Min(Math.Min(255 - color.R, 255 - color.G), 255 - color.B);
i = Curve[i];
break;
case Channel.H:
s = 0;
v = (color.R > color.G) ? color.R : color.G;
delta = 0;
if (color.B > v)
{
v = color.B;
}
if (v == 0)
{
s = 0;
}
else
{
int min = (color.R < color.G) ? color.R : color.G;
if (color.B < min)
{
min = color.B;
}
delta = v - min;
if (delta > 0)
{
s = CommonUtil.IntDiv(255 * delta, v);
}
}
if (s == 0)
{
i = 0;
}
else
{
if (color.R == v) // Between Yellow and Magenta
{
i = CommonUtil.IntDiv(255 * (color.G - color.B), delta);
}
else if (color.G == v) // Between Cyan and Yellow
{
i = 512 + CommonUtil.IntDiv(255 * (color.B - color.R), delta);
}
else // Between Magenta and Cyan
{
i = 1024 + CommonUtil.IntDiv(255 * (color.R - color.G), delta);
}
if (i < 0)
{
i += 1536;
}
i = CommonUtil.IntDiv(i, 6);
}
i = Curve[i];
break;
case Channel.S:
v = (color.R > color.G) ? color.R : color.G;
if (color.B > v)
{
v = color.B;
}
if (v == 0)
{
i = 0;
}
else
{
int min = (color.R < color.G) ? color.R : color.G;
if (color.B < min)
{
min = color.B;
}
delta = v - min;
if (delta > 0)
{
i = CommonUtil.IntDiv(255 * delta, v);
}
}
i = Curve[i];
break;
case Channel.V:
i = (color.R > color.G) ? color.R : color.G;
if (color.B > i)
{
i = color.B;
}
i = Curve[i];
break;
case Channel.L:
i = color.GetIntensityByte();
i = Curve[i];
break;
default: throw new Exception();
}
switch (OutputMode)
{
case Channel.A:
return(ColorBgra.FromBgra(
color.B,
color.G,
color.R,
(byte)i));
case Channel.R:
return(ColorBgra.FromBgra(
color.B,
color.G,
(byte)i,
color.A));
case Channel.G:
return(ColorBgra.FromBgra(
color.B,
(byte)i,
color.R,
color.A));
case Channel.B:
return(ColorBgra.FromBgra(
(byte)i,
color.G,
color.R,
color.A));
case Channel.C:
i = (byte)(i + Math.Min(Math.Min(255 - color.R, 255 - color.G), 255 - color.B)).Clamp(0, 255);
return(ColorBgra.FromBgra(
color.B,
color.G,
(byte)(255 - i),
color.A));
case Channel.M:
i = (byte)(i + Math.Min(Math.Min(255 - color.R, 255 - color.G), 255 - color.B)).Clamp(0, 255);
return(ColorBgra.FromBgra(
color.B,
(byte)(255 - i),
color.R,
color.A));
case Channel.Y:
i = (byte)(i + Math.Min(Math.Min(255 - color.R, 255 - color.G), 255 - color.B)).Clamp(0, 255);
return(ColorBgra.FromBgra(
(byte)(255 - i),
color.G,
color.R,
color.A));
case Channel.K:
int C = 255 - color.R;
int M = 255 - color.G;
int Y = 255 - color.B;
int K = Math.Min(Math.Min(C, M), Y);
return(ColorBgra.FromBgraClamped(
255 - (Y - K + i),
255 - (M - K + i),
255 - (C - K + i),
color.A));
case Channel.H:
s = 0;
v = (color.R > color.G) ? color.R : color.G;
delta = 0;
if (color.B > v)
{
v = color.B;
}
if (v == 0)
{
s = 0;
}
else
{
int min = (color.R < color.G) ? color.R : color.G;
if (color.B < min)
{
min = color.B;
}
delta = v - min;
if (delta > 0)
{
s = CommonUtil.IntDiv(255 * delta, v);
}
}
i *= 6;
int fSector = (i & 0xff);
int sNumber = (i >> 8);
switch (sNumber)
{
case 0:
int tmp0 = ((s * (255 - fSector)) + 128) >> 8;
return(ColorBgra.FromBgra(
(byte)(((v * (255 - s)) + 128) >> 8),
(byte)(((v * (255 - tmp0)) + 128) >> 8),
(byte)v,
color.A));
case 1:
int tmp1 = ((s * fSector) + 128) >> 8;
return(ColorBgra.FromBgra(
(byte)(((v * (255 - s)) + 128) >> 8),
(byte)v,
(byte)(((v * (255 - tmp1)) + 128) >> 8),
color.A));
case 2:
int tmp2 = ((s * (255 - fSector)) + 128) >> 8;
return(ColorBgra.FromBgra(
(byte)(((v * (255 - tmp2)) + 128) >> 8),
(byte)v,
(byte)(((v * (255 - s)) + 128) >> 8),
color.A));
case 3:
int tmp3 = ((s * fSector) + 128) >> 8;
return(ColorBgra.FromBgra(
(byte)v,
(byte)(((v * (255 - tmp3)) + 128) >> 8),
(byte)(((v * (255 - s)) + 128) >> 8),
color.A));
case 4:
int tmp4 = ((s * (255 - fSector)) + 128) >> 8;
return(ColorBgra.FromBgra(
(byte)v,
(byte)(((v * (255 - s)) + 128) >> 8),
(byte)(((v * (255 - tmp4)) + 128) >> 8),
color.A));
case 5:
int tmp5 = ((s * fSector) + 128) >> 8;
return(ColorBgra.FromBgra(
(byte)(((v * (255 - tmp5)) + 128) >> 8),
(byte)(((v * (255 - s)) + 128) >> 8),
(byte)v,
color.A));
default:
return(new ColorBgra());
}
case Channel.S:
s = 0;
v = (color.R > color.G) ? color.R : color.G;
delta = 0;
if (color.B > v)
{
v = color.B;
}
if (v == 0)
{
s = 0;
}
else
{
int min = (color.R < color.G) ? color.R : color.G;
if (color.B < min)
{
min = color.B;
}
delta = v - min;
if (delta > 0)
{
s = CommonUtil.IntDiv(255 * delta, v);
}
}
if (s == 0)
{
h = 0;
}
else
{
if (color.R == v) // Between Yellow and Magenta
{
h = CommonUtil.IntDiv(255 * (color.G - color.B), delta);
}
else if (color.G == v) // Between Cyan and Yellow
{
h = 512 + CommonUtil.IntDiv(255 * (color.B - color.R), delta);
}
else // Between Magenta and Cyan
{
h = 1024 + CommonUtil.IntDiv(255 * (color.R - color.G), delta);
}
if (h < 0)
{
h += 1536;
}
}
int fs = (h & 0xff);
int sn = (h >> 8);
switch (sn)
{
case 0:
int tmp0 = ((i * (255 - fs)) + 128) >> 8;
return(ColorBgra.FromBgra(
(byte)(((v * (255 - i)) + 128) >> 8),
(byte)(((v * (255 - tmp0)) + 128) >> 8),
(byte)v,
color.A));
case 1:
int tmp1 = ((i * fs) + 128) >> 8;
return(ColorBgra.FromBgra(
(byte)(((v * (255 - i)) + 128) >> 8),
(byte)v,
(byte)(((v * (255 - tmp1)) + 128) >> 8),
color.A));
case 2:
int tmp2 = ((i * (255 - fs)) + 128) >> 8;
return(ColorBgra.FromBgra(
(byte)(((v * (255 - tmp2)) + 128) >> 8),
(byte)v,
(byte)(((v * (255 - i)) + 128) >> 8),
color.A));
case 3:
int tmp3 = ((i * fs) + 128) >> 8;
return(ColorBgra.FromBgra(
(byte)v,
(byte)(((v * (255 - tmp3)) + 128) >> 8),
(byte)(((v * (255 - i)) + 128) >> 8),
color.A));
case 4:
int tmp4 = ((i * (255 - fs)) + 128) >> 8;
return(ColorBgra.FromBgra(
(byte)v,
(byte)(((v * (255 - i)) + 128) >> 8),
(byte)(((v * (255 - tmp4)) + 128) >> 8),
color.A));
case 5:
int tmp5 = ((i * fs) + 128) >> 8;
return(ColorBgra.FromBgra(
(byte)(((v * (255 - tmp5)) + 128) >> 8),
(byte)(((v * (255 - i)) + 128) >> 8),
(byte)v,
color.A));
default:
return(new ColorBgra());
}
case Channel.V:
int max = (color.R > color.G) ? color.R : color.G;
if (color.B > max)
{
max = color.B;
}
return(ColorBgra.FromBgra(
(byte)CommonUtil.IntDiv(color.B * i, max),
(byte)CommonUtil.IntDiv(color.G * i, max),
(byte)CommonUtil.IntDiv(color.R * i, max),
color.A
));
case Channel.L:
return(ColorBgra.FromBgraClamped(
color.B + i - color.GetIntensityByte(),
color.G + i - color.GetIntensityByte(),
color.R + i - color.GetIntensityByte(),
color.A));
default:
throw new Exception();
}
}
public unsafe override ColorBgra Apply(ColorBgra src, int area, int *hb, int *hg, int *hr, int *ha)
{
int minCount1 = area * (100 - this.intensity) / 200;
int minCount2 = area * (100 + this.intensity) / 200;
int bCount = 0;
int b1 = 0;
while (b1 < 255 && hb[b1] == 0)
{
++b1;
}
while (b1 < 255 && bCount < minCount1)
{
bCount += hb[b1];
++b1;
}
int b2 = b1;
while (b2 < 255 && bCount < minCount2)
{
bCount += hb[b2];
++b2;
}
int gCount = 0;
int g1 = 0;
while (g1 < 255 && hg[g1] == 0)
{
++g1;
}
while (g1 < 255 && gCount < minCount1)
{
gCount += hg[g1];
++g1;
}
int g2 = g1;
while (g2 < 255 && gCount < minCount2)
{
gCount += hg[g2];
++g2;
}
int rCount = 0;
int r1 = 0;
while (r1 < 255 && hr[r1] == 0)
{
++r1;
}
while (r1 < 255 && rCount < minCount1)
{
rCount += hr[r1];
++r1;
}
int r2 = r1;
while (r2 < 255 && rCount < minCount2)
{
rCount += hr[r2];
++r2;
}
int aCount = 0;
int a1 = 0;
while (a1 < 255 && hb[a1] == 0)
{
++a1;
}
while (a1 < 255 && aCount < minCount1)
{
aCount += ha[a1];
++a1;
}
int a2 = a1;
while (a2 < 255 && aCount < minCount2)
{
aCount += ha[a2];
++a2;
}
return(ColorBgra.FromBgra(
(byte)(255 - (b2 - b1)),
(byte)(255 - (g2 - g1)),
(byte)(255 - (r2 - r1)),
(byte)(a2)));
}
public unsafe override void Render(EffectConfigToken properties, RenderArgs dstArgs, RenderArgs srcArgs,
Rectangle[] rois, int startIndex, int length)
{
TwoAmountsConfigToken token = (TwoAmountsConfigToken)properties;
int brushSize = token.Amount1;
byte smoothness = (byte)token.Amount2;
Surface src = srcArgs.Surface;
Surface dst = dstArgs.Surface;
int width = src.Width;
int height = src.Height;
int arrayLens = 1 + smoothness;
int* intensityCount = stackalloc int[arrayLens];
uint* avgRed = stackalloc uint[arrayLens];
uint* avgGreen = stackalloc uint[arrayLens];
uint* avgBlue = stackalloc uint[arrayLens];
uint* avgAlpha = stackalloc uint[arrayLens];
byte maxIntensity = smoothness;
for (int r = startIndex; r < startIndex + length; ++r)
{
Rectangle rect = rois[r];
int rectTop = rect.Top;
int rectBottom = rect.Bottom;
int rectLeft = rect.Left;
int rectRight = rect.Right;
for (int y = rectTop; y < rectBottom; ++y)
{
ColorBgra *dstPtr = dst.GetPointAddress(rect.Left, y);
int top = y - brushSize;
int bottom = y + brushSize + 1;
if (top < 0)
{
top = 0;
}
if (bottom > height)
{
bottom = height;
}
for (int x = rectLeft; x < rectRight; ++x)
{
int left = x - brushSize;
int right = x + brushSize + 1;
if (left < 0)
{
left = 0;
}
if (right > width)
{
right = width;
}
for (int i = 0; i < arrayLens; ++i)
{
intensityCount[i] = 0;
avgRed[i] = 0;
avgGreen[i] = 0;
avgBlue[i] = 0;
avgAlpha[i] = 0;
}
int numInt = 0;
for (int j = top; j < bottom; ++j)
{
ColorBgra *srcPtr = src.GetPointAddress(left, j);
for (int i = left; i < right; ++i)
{
byte intensity = (byte)((srcPtr->GetIntensityByte() * maxIntensity) / 255);
++intensityCount[intensity];
++numInt;
avgRed[intensity] += srcPtr->R;
avgGreen[intensity] += srcPtr->G;
avgBlue[intensity] += srcPtr->B;
avgAlpha[intensity] += srcPtr->A;
++srcPtr;
}
}
byte chosenIntensity = 0;
int maxInstance = 0;
for (int i = 0; i <= maxIntensity; ++i)
{
if (intensityCount[i] > maxInstance)
{
chosenIntensity = (byte)i;
maxInstance = intensityCount[i];
}
}
byte R = (byte)(avgRed[chosenIntensity] / maxInstance);
byte G = (byte)(avgGreen[chosenIntensity] / maxInstance);
byte B = (byte)(avgBlue[chosenIntensity] / maxInstance);
byte A = (byte)(avgAlpha[chosenIntensity] / maxInstance);
*dstPtr = ColorBgra.FromBgra(B, G, R, A);
++dstPtr;
}
}
}
}
public override void Render(Surface src, Surface dst, Rectangle[] rois, int startIndex, int length)
{
long w = dst.Width;
long h = dst.Height;
long fox = (long)(dst.Width * offsetX * 32768.0);
long foy = (long)(dst.Height * offsetY * 32768.0);
long fcx = fox + (w << 15);
long fcy = foy + (h << 15);
long fz = this.amount;
unsafe
{
for (int r = startIndex; r < startIndex + length; ++r)
{
Rectangle rect = rois[r];
for (int y = rect.Top; y < rect.Bottom; ++y)
{
ColorBgra *dstPtr = dst.GetPointAddressUnchecked(rect.Left, y);
ColorBgra *srcPtr = src.GetPointAddressUnchecked(rect.Left, y);
for (int x = rect.Left; x < rect.Right; ++x)
{
long fx = (x << 16) - fcx;
long fy = (y << 16) - fcy;
int sr = 0;
int sg = 0;
int sb = 0;
int sa = 0;
int sc = 0;
sr += srcPtr->R * srcPtr->A;
sg += srcPtr->G * srcPtr->A;
sb += srcPtr->B * srcPtr->A;
sa += srcPtr->A;
++sc;
for (int i = 0; i < n; ++i)
{
fx -= ((fx >> 4) * fz) >> 10;
fy -= ((fy >> 4) * fz) >> 10;
int u = (int)(fx + fcx + 32768 >> 16);
int v = (int)(fy + fcy + 32768 >> 16);
if (src.IsVisible(u, v))
{
ColorBgra *srcPtr2 = src.GetPointAddressUnchecked(u, v);
sr += srcPtr2->R * srcPtr2->A;
sg += srcPtr2->G * srcPtr2->A;
sb += srcPtr2->B * srcPtr2->A;
sa += srcPtr2->A;
++sc;
}
}
if (sa != 0)
{
*dstPtr = ColorBgra.FromBgra(
PixelUtils.ClampToByte(sb / sa),
PixelUtils.ClampToByte(sg / sa),
PixelUtils.ClampToByte(sr / sa),
PixelUtils.ClampToByte(sa / sc));
}
else
{
dstPtr->Bgra = 0;
}
++srcPtr;
++dstPtr;
}
}
}
}
}
public unsafe override void Render(ImageSurface src, ImageSurface dst, Gdk.Rectangle[] rois)
{
float twist = Data.Amount;
float hw = dst.Width / 2.0f;
float hh = dst.Height / 2.0f;
float maxrad = Math.Min(hw, hh);
twist = twist * twist * Math.Sign(twist);
int aaLevel = Data.Antialias;
int aaSamples = aaLevel * aaLevel + 1;
PointD *aaPoints = stackalloc PointD[aaSamples];
for (int i = 0; i < aaSamples; ++i)
{
PointD pt = new PointD(
((i * aaLevel) / (float)aaSamples),
i / (float)aaSamples);
pt.X -= (int)pt.X;
aaPoints[i] = pt;
}
int src_width = src.Width;
ColorBgra *src_data_ptr = (ColorBgra *)src.DataPtr;
foreach (var rect in rois)
{
for (int y = rect.Top; y < rect.Bottom; y++)
{
float j = y - hh;
ColorBgra *dstPtr = dst.GetPointAddressUnchecked(rect.Left, y);
ColorBgra *srcPtr = src.GetPointAddressUnchecked(src_data_ptr, src_width, rect.Left, y);
for (int x = rect.Left; x < rect.Right; x++)
{
float i = x - hw;
if (i * i + j * j > (maxrad + 1) * (maxrad + 1))
{
*dstPtr = *srcPtr;
}
else
{
int b = 0;
int g = 0;
int r = 0;
int a = 0;
for (int p = 0; p < aaSamples; ++p)
{
float u = i + (float)aaPoints[p].X;
float v = j + (float)aaPoints[p].Y;
double rad = Math.Sqrt(u * u + v * v);
double theta = Math.Atan2(v, u);
double t = 1 - rad / maxrad;
t = (t < 0) ? 0 : (t * t * t);
theta += (t * twist) / 100;
ColorBgra sample = src.GetPointUnchecked(src_data_ptr, src_width,
(int)(hw + (float)(rad * Math.Cos(theta))),
(int)(hh + (float)(rad * Math.Sin(theta))));
b += sample.B;
g += sample.G;
r += sample.R;
a += sample.A;
}
*dstPtr = ColorBgra.FromBgra(
(byte)(b / aaSamples),
(byte)(g / aaSamples),
(byte)(r / aaSamples),
(byte)(a / aaSamples));
}
++dstPtr;
++srcPtr;
}
}
}
}
protected unsafe override void RenderLine(ISurface src, ISurface dest, Rectangle roi)
{
// Glow backgound
glow_effect.Render(src, dest, roi);
// Create black outlines by finding the edges of objects
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;
for (int v = top; v < bottom; v++)
{
ColorBgra *pRow = src.GetRowAddress(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.desaturate_op.Apply(topLayer);
// Adjust Brightness and Contrast
if (topLayer.R > (ink_outline * 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.darken_op.Apply(topLayer, *dstPtr);
* dstPtr = myPixel;
++srcPtr;
++dstPtr;
}
}
}