void Render(Surface dst, Surface src, Rectangle rect)
{
Rectangle selection = EnvironmentParameters.GetSelection(src.Bounds).GetBoundsInt();
ColorBgra sourcePixel, puzzlePixel, finalPixel;
for (int y = rect.Top; y < rect.Bottom; y++)
{
if (IsCancelRequested)
{
return;
}
for (int x = rect.Left; x < rect.Right; x++)
{
int offsetX = (int)(x + selection.Width * Amount5.First / 2);
int offsetY = (int)(y + selection.Height * Amount5.Second / 2);
puzzlePixel = GetBilinearSampleMirrored(puzzleSurface, offsetX - selection.Left, offsetY - selection.Top);
sourcePixel = src[x, y];
if (Amount3)
{
sourcePixel.A = Int32Util.ClampToByte(255 - puzzlePixel.A);
finalPixel = sourcePixel;
}
else
{
finalPixel = normalOp.Apply(sourcePixel, puzzlePixel);
}
dst[x, y] = finalPixel;
}
}
}
private void Render(Surface dst, Surface src, Rectangle rect)
{
ColorBgra currentPixel;
for (int y = rect.Top; y < rect.Bottom; y++)
{
if (IsCancelRequested)
{
return;
}
for (int x = rect.Left; x < rect.Right; x++)
{
if ((horLoops > 1 || verLoops > 1) && !puzzleRect.Contains(x, y))
{
currentPixel = src[x, y];
currentPixel.A = 0; // Delete pixels outside the puzzle border
}
else if (transparent)
{
currentPixel = src[x, y];
currentPixel.A = Int32Util.ClampToByte(byte.MaxValue - puzzleSurface[x, y].A);
}
else
{
currentPixel = normalOp.Apply(src[x, y], puzzleSurface[x, y]);
}
dst[x, y] = currentPixel;
}
}
}
private void Render(Surface dst, Surface src, Rectangle rect)
{
if (blur != 0)
{
// Call the Gaussian Blur function
blurEffect.Render(new Rectangle[] { rect }, 0, 1);
}
else
{
dst.CopySurface(shadowSurface, rect.Location, rect);
}
Rectangle selection = EnvironmentParameters.GetSelection(src.Bounds).GetBoundsInt();
Rectangle shadowRect = Rectangle.FromLTRB(
selection.Left + margin + offsetX,
selection.Top + margin + offsetY,
selection.Right - margin + offsetX,
selection.Bottom - margin + offsetY);
ColorBgra shadowPixel;
for (int y = rect.Top; y < rect.Bottom; y++)
{
if (IsCancelRequested)
{
return;
}
for (int x = rect.Left; x < rect.Right; x++)
{
shadowPixel = dst[x, y];
shadowPixel.A = shadowRect.Contains(x, y) ? Int32Util.ClampToByte(shadowPixel.A * color.A / byte.MaxValue) : byte.MinValue;
dst[x, y] = normalOp.Apply(src[x, y], shadowPixel);
}
}
}
private void Render(Surface dst, Surface src, Rectangle rect)
{
ColorBgra currentPixel;
// create point for testing how each pixel should be colored
System.Windows.Point pointToTest = new System.Windows.Point();
for (int y = rect.Top; y < rect.Bottom; y++)
{
if (IsCancelRequested)
{
return;
}
for (int x = rect.Left; x < rect.Right; x++)
{
// update point's coordinates
pointToTest.X = x;
pointToTest.Y = y;
currentPixel = src[x, y];
if (!this.marginBounds.Contains(x, y))
{
currentPixel.A = byte.MinValue;
}
// if point is Not outside of the radius, use original source pixel Alpha value
else if (!PointOutsideRadius(pointToTest, 0))
{
// Do nothing. Alpha channel stays the same
}
else if (this.antiAlias)
{
if (!PointOutsideRadius(pointToTest, 0.333))
{
currentPixel.A = (byte)(0.7 * currentPixel.A);
}
else if (!PointOutsideRadius(pointToTest, 0.666))
{
currentPixel.A = (byte)(0.4 * currentPixel.A);
}
else if (!PointOutsideRadius(pointToTest, 1))
{
currentPixel.A = (byte)(0.2 * currentPixel.A);
}
else
{
currentPixel.A = byte.MinValue;
}
}
else
{
currentPixel.A = byte.MinValue;
}
dst[x, y] = (this.transparent) ? currentPixel : normalOp.Apply(this.backColor, currentPixel);
}
}
}
// Draws a point, but first intersects it with the selection
private void DrawPoint(RenderArgs ra, Point p, ColorBgra color)
{
if (ra.Surface.Bounds.Contains(p))
{
if (ra.Graphics.IsVisible(p))
{
BinaryPixelOp op = AppEnvironment.AlphaBlending ? blendOp : copyOp;
ra.Surface[p.X, p.Y] = op.Apply(ra.Surface[p.X, p.Y], color);
}
}
}
private unsafe bool ProcessGradientLine(byte startAlpha, byte endAlpha, int y, Rectangle rect, ISurface surface)
{
var pixelPtr = surface.GetPointAddress(rect.Left, y);
var right = rect.Right;
if (AlphaOnly && AlphaBlending)
{
for (var x = rect.Left; x <= right; ++x)
{
var lerpByte = ComputeByteLerp(x, y);
var lerpAlpha = lerpAlphas[lerpByte];
var resultAlpha = Utility.FastScaleByteByByte(pixelPtr->A, lerpAlpha);
pixelPtr->A = resultAlpha;
++pixelPtr;
}
}
else if (AlphaOnly && !AlphaBlending)
{
for (var x = rect.Left; x <= right; ++x)
{
var lerpByte = ComputeByteLerp(x, y);
var lerpAlpha = lerpAlphas[lerpByte];
pixelPtr->A = lerpAlpha;
++pixelPtr;
}
}
else if (!AlphaOnly && (AlphaBlending && (startAlpha != 255 || endAlpha != 255)))
{
// If we're doing all color channels, and we're doing alpha blending, and if alpha blending is necessary
for (var x = rect.Left; x <= right; ++x)
{
var lerpByte = ComputeByteLerp(x, y);
var lerpColor = lerpColors[lerpByte];
var result = normalBlendOp.Apply((*pixelPtr), lerpColor);
* pixelPtr = result;
++pixelPtr;
}
//if (!this.alphaOnly && !this.alphaBlending) // or sC.A == 255 && eC.A == 255
}
else
{
for (var x = rect.Left; x <= right; ++x)
{
var lerpByte = ComputeByteLerp(x, y);
var lerpColor = lerpColors[lerpByte];
* pixelPtr = lerpColor;
++pixelPtr;
}
}
return(true);
}
public override void Render(EffectConfigToken parameters, RenderArgs dstArgs, RenderArgs srcArgs, Rectangle[] rois, int startIndex, int length)
{
if (projectType == ProjectType.Shape && shapeSurface != null)
{
dstArgs.Surface.CopySurface(srcArgs.Surface, rois, startIndex, length);
normalOp.Apply(dstArgs.Surface, shapeSurface, rois, startIndex, length);
}
else if (projectType == ProjectType.Effect && userEffect != null)
{
CodeLabConfigToken sect = (CodeLabConfigToken)parameters;
try
{
userEffect.Render(sect.PreviewToken, dstArgs, srcArgs, rois, startIndex, length);
}
catch (Exception exc)
{
sect.LastExceptions.Add(exc);
dstArgs.Surface.CopySurface(srcArgs.Surface);
sect.UserScriptObject = null;
userEffect?.Dispose();
userEffect = null;
}
if (fetchDebugMsg)
{
fetchDebugMsg = false;
try
{
string output = userEffect?.GetType().GetProperty("__DebugMsgs", typeof(string))?.GetValue(userEffect)?.ToString();
if (!output.IsNullOrEmpty())
{
sect.Output.Add(output);
}
}
catch
{
// just fail silently
}
}
}
}
void Render(Surface dst, Surface src, Rectangle rect)
{
Rectangle selection = EnvironmentParameters.GetSelection(src.Bounds).GetBoundsInt();
ColorBgra currentPixel;
ColorBgra fillColor = Amount3;
if (Amount2)
{
fillColor.A = 0;
}
Rectangle marginBounds = Rectangle.FromLTRB(selection.Left + Amount5, selection.Top + Amount5, selection.Right - Amount5, selection.Bottom - Amount5);
int radiusMax = Math.Min(selection.Width, selection.Height) / 2 - Amount5;
radiusValue = (Amount1 > radiusMax) ? radiusMax : Amount1;
// create a rectangle that will be used to determine how the pixels should be rendered
rectangleTopCoordinate = marginBounds.Top + radiusValue;
rectangleBottomCoordinate = marginBounds.Bottom - 1 - radiusValue;
rectangleLeftCoordinate = marginBounds.Left + radiusValue;
rectangleRightCoordinate = marginBounds.Right - 1 - radiusValue;
// create point for testing how each pixel should be colored
System.Windows.Point pointToTest = new System.Windows.Point();
for (int y = rect.Top; y < rect.Bottom; y++)
{
if (IsCancelRequested)
{
return;
}
for (int x = rect.Left; x < rect.Right; x++)
{
// update point's coordinates
pointToTest.X = x;
pointToTest.Y = y;
currentPixel = src[x, y];
if (!marginBounds.Contains(x, y))
{
currentPixel.A = byte.MinValue;
}
// if point is Not outside of the radius, use original source pixel Alpha value
else if (!PointOutsideRadius(pointToTest, 0))
{
// Do nothing. Alpha channel stays the same
}
else if (Amount4)
{
if (!PointOutsideRadius(pointToTest, 0.333))
{
currentPixel.A = (byte)(0.7 * currentPixel.A);
}
else if (!PointOutsideRadius(pointToTest, 0.666))
{
currentPixel.A = (byte)(0.4 * currentPixel.A);
}
else if (!PointOutsideRadius(pointToTest, 1))
{
currentPixel.A = (byte)(0.2 * currentPixel.A);
}
else
{
currentPixel.A = byte.MinValue;
}
}
else
{
currentPixel.A = byte.MinValue;
}
dst[x, y] = normalOp.Apply(fillColor, currentPixel);
}
}
}
private unsafe void RenderRectangle(Surface dst, Surface src, Rectangle rect)
{
double shadowFactor = (double)(Token.GetProperty <Int32Property>("ShadowEffect.Alpha").Value) / 255.0;
// The blurring algorithm was stolen directly from the BlurEffect code. I couldn't
// use it directly because the source image must be transformed prior to applying
// the blur effect. Also, I gradually increase the blur radius from one end
// of the shadow to the other, which the blur effect code doesn't support either.
if (rect.Height >= 1 && rect.Width >= 1)
{
// For each row in the rectangle
for (int y = rect.Top; y < rect.Bottom; ++y)
{
double radius = invertedYcoordinate(y, src.Height) / (double)rowsPerBlurRadius;
int[] w = CreateGaussianBlurRow(radius);
int wlen = w.Length;
int r = (wlen - 1) / 2;
long[] waSums = new long[wlen];
long[] aSums = new long[wlen];
long waSum = 0;
long aSum = 0;
ColorBgra *dstPtr = dst.GetPointAddressUnchecked(rect.Left, y);
// For each item in the gaussian blur row
for (int wx = 0; wx < wlen; ++wx)
{
int srcX = rect.Left + wx - r;
waSums[wx] = 0;
aSums[wx] = 0;
if (srcX >= 0 && srcX < src.Width)
{
for (int wy = 0; wy < wlen; ++wy)
{
int srcY = y + wy - r;
if (srcY >= 0 && srcY < src.Height)
{
ColorBgra c = getShadowPixel(srcX, srcY, src, shadowFactor, (int)Token.GetProperty <DoubleProperty>("ShadowEffect.ShadowAngle").Value, (int)Token.GetProperty <DoubleProperty>("ShadowEffect.ShadowDepthAngle").Value);
int wp = w[wy];
waSums[wx] += wp;
aSums[wx] += wp * c.A;
}
}
int wwx = w[wx];
waSum += wwx * waSums[wx];
aSum += wwx * aSums[wx];
}
}
if (waSum == 0)
{
dstPtr->Bgra = 0;
}
else
{
dstPtr->Bgra = ColorBgra.BgraToUInt32(0, 0, 0, (int)(aSum / waSum));
}
++dstPtr;
for (int x = rect.Left + 1; x < rect.Right; ++x)
{
ColorBgra OrginalImage = src[x, y];
for (int i = 0; i < wlen - 1; ++i)
{
waSums[i] = waSums[i + 1];
aSums[i] = aSums[i + 1];
}
waSum = 0;
aSum = 0;
int wx;
for (wx = 0; wx < wlen - 1; ++wx)
{
long wwx = (long)w[wx];
waSum += wwx * waSums[wx];
aSum += wwx * aSums[wx];
}
wx = wlen - 1;
waSums[wx] = 0;
aSums[wx] = 0;
int srcX = x + wx - r;
if (srcX >= 0 && srcX < src.Width)
{
for (int wy = 0; wy < wlen; ++wy)
{
int srcY = y + wy - r;
if (srcY >= 0 && srcY < src.Height)
{
ColorBgra c = getShadowPixel(srcX, srcY, src, shadowFactor, (int)Token.GetProperty <DoubleProperty>("ShadowEffect.ShadowAngle").Value, (int)Token.GetProperty <DoubleProperty>("ShadowEffect.ShadowDepthAngle").Value);
int wp = w[wy];
waSums[wx] += wp;
aSums[wx] += wp * (long)c.A;
}
}
int wr = w[wx];
waSum += (long)wr * waSums[wx];
aSum += (long)wr * aSums[wx];
}
ColorBgra Shadow = new ColorBgra();
if (waSum == 0)
{
Shadow = ColorBgra.FromBgra(0, 0, 0, 0);
}
else
{
Shadow = ColorBgra.FromBgra(0, 0, 0, (byte)(aSum / waSum));
}
if (Token.GetProperty <BooleanProperty>("ShadowEffect.OriginalImage").Value)
{
dstPtr->Bgra = (uint)normalOp.Apply(Shadow, OrginalImage);
}
else
{
dstPtr->Bgra = (uint)Shadow;
}
++dstPtr;
}
}
}
}
/// <summary>
/// Creates the shadow of the source image
/// </summary>
/// <param name="dst">Describes the destination surface.</param>
/// <param name="src">Describes the source surface.</param>
/// <param name="rect">The rectangle that describes the region of interest.</param>
/// <param name="configuration"></param>
///
private unsafe void RenderRectangle(Surface dst, Surface src, Rectangle rect, ShadowEffectConfiguration configuration)
{
double shadowFactor = configuration.Opacity / ShadowEffectProperties.MaxOpacity;
//
// The blurring algorithm was stolen directly from the BlurEffect code. I couldn't
// use it directly because the source image must be transformed prior to applying
// the blur effect. Also, I gradually increase the blur radius from one end
// of the shadow to the other, which the blur effect code doesn't support either.
//
if (rect.Height >= 1 && rect.Width >= 1)
{
// For each row in the rectangle
for (int y = rect.Top; y < rect.Bottom; ++y)
{
//
// Shadow Diffusion - The blur radius increases the further the row is from the bottom
// Diffusion Factor - [0-100] How much the shadow is diffused. 0 = None, 100 = Max
//
double blurRadius = 0;
if (configuration.DiffusionFactor > 0)
{
// diffusion factor of 50 = 5 rows/blur_radius
double rowsPerBlurRadius = 250.0 / (double)configuration.DiffusionFactor;
blurRadius = invertedYcoordinate(y, src.Height) / rowsPerBlurRadius;
}
int[] w = CreateGaussianBlurRow(blurRadius);
int wlen = w.Length;
int r = (wlen - 1) / 2;
long[] waSums = new long[wlen];
long[] aSums = new long[wlen];
long waSum = 0;
long aSum = 0;
ColorBgra *dstPtr = dst.GetPointAddressUnchecked(rect.Left, y);
// For each item in the gaussian blur row
for (int wx = 0; wx < wlen; ++wx)
{
int srcX = rect.Left + wx - r;
waSums[wx] = 0;
aSums[wx] = 0;
if (srcX >= 0 && srcX < src.Width)
{
for (int wy = 0; wy < wlen; ++wy)
{
int srcY = y + wy - r;
if (srcY >= 0 && srcY < src.Height)
{
ColorBgra c = getShadowPixel(srcX, srcY, src, shadowFactor, configuration.Angle, configuration.DepthAngle);
int wp = w[wy];
waSums[wx] += wp;
aSums[wx] += wp * c.A;
}
}
int wwx = w[wx];
waSum += wwx * waSums[wx];
aSum += wwx * aSums[wx];
}
}
if (waSum == 0)
{
dstPtr->Bgra = 0;
}
else
{
dstPtr->Bgra = ColorBgra.BgraToUInt32(0, 0, 0, (int)(aSum / waSum));
}
++dstPtr;
for (int x = rect.Left + 1; x < rect.Right; ++x)
{
ColorBgra OrginalImage = src[x, y];
for (int i = 0; i < wlen - 1; ++i)
{
waSums[i] = waSums[i + 1];
aSums[i] = aSums[i + 1];
}
waSum = 0;
aSum = 0;
int wx;
for (wx = 0; wx < wlen - 1; ++wx)
{
long wwx = (long)w[wx];
waSum += wwx * waSums[wx];
aSum += wwx * aSums[wx];
}
wx = wlen - 1;
waSums[wx] = 0;
aSums[wx] = 0;
int srcX = x + wx - r;
if (srcX >= 0 && srcX < src.Width)
{
for (int wy = 0; wy < wlen; ++wy)
{
int srcY = y + wy - r;
if (srcY >= 0 && srcY < src.Height)
{
ColorBgra c = getShadowPixel(srcX, srcY, src, shadowFactor, configuration.Angle, configuration.DepthAngle);
int wp = w[wy];
waSums[wx] += wp;
aSums[wx] += wp * (long)c.A;
}
}
int wr = w[wx];
waSum += (long)wr * waSums[wx];
aSum += (long)wr * aSums[wx];
}
ColorBgra Shadow = new ColorBgra();
if (waSum == 0)
{
Shadow = ColorBgra.FromBgra(0, 0, 0, 0);
}
else
{
Shadow = ColorBgra.FromBgra(0, 0, 0, (byte)(aSum / waSum));
}
if (configuration.KeepOriginalImage)
{
dstPtr->Bgra = (uint)_normalOp.Apply(Shadow, OrginalImage);
}
else
{
dstPtr->Bgra = (uint)Shadow;
}
++dstPtr;
}
}
}
}
void Render(Surface dst, Surface src, Rectangle rect)
{
Rectangle selection = EnvironmentParameters.GetSelection(src.Bounds).GetBoundsInt();
ColorBgra sourceColor;
ColorBgra imageColor;
ColorBgra fillColor = Amount3;
if (Amount2)
{
fillColor.A = 0;
}
int margin = Amount5;
int radiusMax = Math.Min(selection.Width, selection.Height) / 2 - margin;
radiusValue = (Amount1 > radiusMax) ? radiusMax : Amount1;
// create a rectangle that will be used to determine how the pixels should be rendered
rectangleTopCoordinate = selection.Top + margin + radiusValue;
rectangleBottomCoordinate = selection.Bottom - margin - 1 - radiusValue;
rectangleLeftCoordinate = selection.Left + margin + radiusValue;
rectangleRightCoordinate = selection.Right - margin - 1 - radiusValue;
// create point for testing how each pixel should be colored
System.Windows.Point pointToTest = new System.Windows.Point();
for (int y = rect.Top; y < rect.Bottom; y++)
{
if (IsCancelRequested)
{
return;
}
for (int x = rect.Left; x < rect.Right; x++)
{
sourceColor = src[x, y];
imageColor = sourceColor;
imageColor.A = 0;
// update point's coordinates
pointToTest.X = x;
pointToTest.Y = y;
// if point is Not outside of the radius, use original source pixel Alpha value
if (!PointOutsideRadius(pointToTest, 0))
{
imageColor.A = sourceColor.A;
}
else if (Amount4)
{
if (!PointOutsideRadius(pointToTest, 0.333))
{
imageColor.A = (byte)(0.7 * sourceColor.A);
}
else if (!PointOutsideRadius(pointToTest, 0.666))
{
imageColor.A = (byte)(0.4 * sourceColor.A);
}
else if (!PointOutsideRadius(pointToTest, 1))
{
imageColor.A = (byte)(0.2 * sourceColor.A);
}
}
// Trim the margins
if (margin > 0 && (x < selection.Left + margin || x > selection.Right - margin - 1 || y < selection.Top + margin || y > selection.Bottom - margin - 1))
{
imageColor.A = 0;
}
dst[x, y] = normalOp.Apply(fillColor, imageColor);
}
}
}
