public override unsafe void Render(
EffectConfigToken parameters,
RenderArgs dstArgs,
RenderArgs srcArgs,
System.Drawing.Rectangle[] rois,
int startIndex,
int length)
{
// First we blur the source, and write the result to the destination surface
// Then we apply Brightness/Contrast with the input as the dst, and the output as the dst
// Third, we apply the Screen blend operation so that dst = dst OVER src
ThreeAmountsConfigToken token = (ThreeAmountsConfigToken)parameters;
AmountEffectConfigToken blurToken = new AmountEffectConfigToken(token.Amount1);
this.blurEffect.Render(blurToken, dstArgs, srcArgs, rois, startIndex, length);
BrightnessAndContrastAdjustmentConfigToken bcToken = new BrightnessAndContrastAdjustmentConfigToken(token.Amount2, token.Amount3);
this.bcAdjustment.Render(bcToken, dstArgs, dstArgs, rois, startIndex, length);
for (int i = startIndex; i < startIndex + length; ++i)
{
Rectangle roi = rois[i];
for (int y = roi.Top; y < roi.Bottom; ++y)
{
ColorBgra *dstPtr = dstArgs.Surface.GetPointAddressUnchecked(roi.Left, y);
ColorBgra *srcPtr = srcArgs.Surface.GetPointAddressUnchecked(roi.Left, y);
screenBlendOp.Apply(dstPtr, srcPtr, dstPtr, roi.Width);
}
}
}
public override void Render(EffectConfigToken parameters, RenderArgs dstArgs, RenderArgs srcArgs, Rectangle[] rois, int startIndex, int length)
{
ThreeAmountsConfigToken token = (ThreeAmountsConfigToken)parameters;
int hueDelta = token.Amount1;
int satDelta = token.Amount2;
int lightness = token.Amount3;
// map the range [0,100] -> [0,100] and the range [101,200] -> [103,400]
if (satDelta > 100)
{
satDelta = ((satDelta - 100) * 3) + 100;
}
UnaryPixelOp op;
Surface dst = dstArgs.Surface;
Surface src = srcArgs.Surface;
if (hueDelta == 0 && satDelta == 100 && lightness == 0)
{
op = new UnaryPixelOps.Identity();
}
else
{
op = new UnaryPixelOps.HueSaturationLightness(hueDelta, satDelta, lightness);
}
op.Apply(dst, src, rois, startIndex, length);
}
private ThreeAmountsConfigToken(ThreeAmountsConfigToken copyMe)
: base(copyMe)
{
this.amount3 = copyMe.amount3;
}
private ThreeAmountsConfigToken(ThreeAmountsConfigToken copyMe)
: base(copyMe)
{
this.amount3 = copyMe.amount3;
}
public unsafe override void Render(
EffectConfigToken parameters,
RenderArgs dstArgs,
RenderArgs srcArgs,
System.Drawing.Rectangle[] rois,
int startIndex,
int length)
{
ThreeAmountsConfigToken token = (ThreeAmountsConfigToken)parameters;
Surface dst = dstArgs.Surface;
Surface src = srcArgs.Surface;
int width = dst.Width;
int height = dst.Height;
float hw = width / 2.0f;
float hh = height / 2.0f;
float sin = (float)Math.Sin(token.Amount1 * Math.PI / 180.0);
float cos = (float)Math.Cos(token.Amount1 * Math.PI / 180.0);
float scale = (float)Math.PI / token.Amount2;
float intensity = token.Amount3;
intensity = intensity * intensity / 10 * Math.Sign(intensity);
int aaLevel = 4;
int aaSamples = aaLevel * aaLevel + 1;
PointF *aaPoints = stackalloc PointF[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 PointF((float)(cos * x + sin * y), (float)(cos * y - sin * x));
}
for (int n = startIndex; n < startIndex + length; ++n)
{
Rectangle rect = rois[n];
for (int y = rect.Top; y < rect.Bottom; y++)
{
float j = y - hh;
ColorBgra *dstPtr = dst.GetPointAddressUnchecked(rect.Left, y);
for (int x = rect.Left; x < rect.Right; x++)
{
int b = 0;
int g = 0;
int r = 0;
int a = 0;
float i = x - hw;
for (int p = 0; p < aaSamples; ++p)
{
PointF pt = aaPoints[p];
float u = i + pt.X;
float v = j - 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;
if (xSample < 0) // This makes it a little faster
{
xSample = (xSample + width) % width;
}
ySample = (ySample + height) % height;
if (ySample < 0) // This makes it a little faster
{
ySample = (ySample + height) % height;
}
ColorBgra sample = *src.GetPointAddressUnchecked(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));
}
}
}
}