public static void DoBlind(NonLinearTransfromNeededEventArg e, Animation animation)
{
if (animation.BlindCoeff == PointF.Empty)
return;
var pixels = e.Pixels;
var sx = e.ClientRectangle.Width;
var sy = e.ClientRectangle.Height;
var s = e.Stride;
var kx = animation.BlindCoeff.X;
var ky = animation.BlindCoeff.Y;
var a = (int)((sx * kx + sy * ky) * (1 - e.CurrentTime));
for (int x = 0; x < sx; x++)
for (int y = 0; y < sy; y++)
{
int i = y * s + x * bytesPerPixel;
var d = x * kx + y * ky - a;
if (d >= 0)
pixels[i + 3] = (byte)0;
}
}
protected virtual void OnNonLinearTransfromNeeded(object sender, NonLinearTransfromNeededEventArg e)
{
if (NonLinearTransfromNeeded != null)
NonLinearTransfromNeeded(this, e);
else
e.UseDefaultTransform = true;
}
protected virtual Bitmap OnNonLinearTransfromNeeded()
{
Bitmap bmp = null;
if (CtrlBmp == null)
return null;
try
{
bmp = new Bitmap(Width, Height);
const int bytesPerPixel = 4;
PixelFormat pxf = PixelFormat.Format32bppArgb;
Rectangle rect = new Rectangle(0, 0, bmp.Width, bmp.Height);
BitmapData bmpData = bmp.LockBits(rect, ImageLockMode.ReadWrite, pxf);
IntPtr ptr = bmpData.Scan0;
int numBytes = bmp.Width * bmp.Height * bytesPerPixel;
byte[] argbValues = new byte[numBytes];
Marshal.Copy(ptr, argbValues, 0, numBytes);
var e = new NonLinearTransfromNeededEventArg() { CurrentTime = CurrentTime, ClientRectangle = ClientRectangle, Pixels = argbValues, Stride = bmpData.Stride, SourcePixels = CtrlPixels, SourceClientRectangle = new Rectangle(Padding.Left, Padding.Top, DecoratedControl.Width, DecoratedControl.Height), SourceStride = CtrlStride };
try
{
if (NonLinearTransfromNeeded != null)
NonLinearTransfromNeeded(this, e);
else
e.UseDefaultTransform = true;
if (e.UseDefaultTransform)
{
switch (DecorationType)
{
case DecorationType.BottomMirror: TransfromHelper.DoBottomMirror(e); break;
}
}
}
catch { }
Marshal.Copy(argbValues, 0, ptr, numBytes);
bmp.UnlockBits(bmpData);
}
catch
{
}
return bmp;
}
protected virtual Bitmap OnNonLinearTransfromNeeded()
{
Bitmap bmp = null;
if (ctrlBmp == null)
return null;
if (NonLinearTransfromNeeded == null)
if (!animation.IsNonLinearTransformNeeded)
return ctrlBmp;
try
{
bmp = (Bitmap)ctrlBmp.Clone();
const int bytesPerPixel = 4;
PixelFormat pxf = PixelFormat.Format32bppArgb;
Rectangle rect = new Rectangle(0, 0, bmp.Width, bmp.Height);
BitmapData bmpData = bmp.LockBits(rect, ImageLockMode.ReadWrite, pxf);
IntPtr ptr = bmpData.Scan0;
int numBytes = bmp.Width * bmp.Height * bytesPerPixel;
byte[] argbValues = new byte[numBytes];
System.Runtime.InteropServices.Marshal.Copy(ptr, argbValues, 0, numBytes);
var e = new NonLinearTransfromNeededEventArg() { CurrentTime = CurrentTime, ClientRectangle = DoubleBitmap.ClientRectangle, Pixels = argbValues, Stride = bmpData.Stride };
if (NonLinearTransfromNeeded != null)
NonLinearTransfromNeeded(this, e);
else
e.UseDefaultTransform = true;
if (e.UseDefaultTransform)
{
TransfromHelper.DoBlind(e, animation);
TransfromHelper.DoMosaic(e, animation, ref buffer, ref pixelsBuffer);
TransfromHelper.DoTransparent(e, animation);
TransfromHelper.DoLeaf(e, animation);
}
System.Runtime.InteropServices.Marshal.Copy(argbValues, 0, ptr, numBytes);
bmp.UnlockBits(bmpData);
}
catch
{
}
return bmp;
}
public static void DoMosaic(NonLinearTransfromNeededEventArg e, Animation animation, ref Point[] buffer, ref byte[] pixelsBuffer)
{
if (animation.MosaicCoeff == PointF.Empty || animation.MosaicSize == 0)
return;
var pixels = e.Pixels;
var sx = e.ClientRectangle.Width;
var sy = e.ClientRectangle.Height;
var s = e.Stride;
var a = e.CurrentTime;
var count = pixels.Length;
var opacity = 1 - e.CurrentTime;
if (opacity < 0f) opacity = 0f;
if (opacity > 1f) opacity = 1f;
var mkx = animation.MosaicCoeff.X;
var mky = animation.MosaicCoeff.Y;
if (buffer == null)
{
buffer = new Point[pixels.Length];
for (int i = 0; i < pixels.Length; i++)
buffer[i] = new Point((int)(mkx * (rnd.NextDouble() - 0.5)), (int)(mky * (rnd.NextDouble() - 0.5)));
}
if (pixelsBuffer == null)
pixelsBuffer = (byte[])pixels.Clone();
for (int i = 0; i < count; i += bytesPerPixel)
{
pixels[i + 0] = 255;
pixels[i + 1] = 255;
pixels[i + 2] = 255;
pixels[i + 3] = 0;
}
var ms = animation.MosaicSize;
var msx = animation.MosaicShift.X;
var msy = animation.MosaicShift.Y;
for (int y = 0; y < sy; y++)
for (int x = 0; x < sx; x++)
{
int yi = (y / ms);
int xi = (x / ms);
int i = y * s + x * bytesPerPixel;
int j = yi * s + xi * bytesPerPixel;
var newX = x + (int)(a * (buffer[j].X + xi * msx));
var newY = y + (int)(a * (buffer[j].Y + yi * msy));
if (newX >= 0 && newX < sx)
if (newY >= 0 && newY < sy)
{
int newI = newY * s + newX * bytesPerPixel;
pixels[newI + 0] = pixelsBuffer[i + 0];
pixels[newI + 1] = pixelsBuffer[i + 1];
pixels[newI + 2] = pixelsBuffer[i + 2];
pixels[newI + 3] = (byte)(pixelsBuffer[i + 3] * opacity);
}
}
}
/*
internal static void DoBottomShadow(NonLinearTransfromNeededEventArg e)
{
var source = e.SourcePixels;
var output = e.Pixels;
var s = e.Stride;
var dy = 1;
var beginY = e.SourceClientRectangle.Bottom + dy;
var sy = e.ClientRectangle.Height;
var beginX = e.SourceClientRectangle.Left;
var endX = e.SourceClientRectangle.Right;
var d = sy - beginY;
var bgG = source[0];
var bgB = source[1];
var bgR = source[2];
for (int x = beginX; x < endX; x++)
for (int y = beginY; y < sy; y++)
{
var sourceY = (int)(beginY - 1 - dy - (y - beginY)*6);
if (sourceY < 0)
break;
var sourceX = x;
int sourceI = sourceY * s + sourceX * bytesPerPixel;
int outI = y * s + x * bytesPerPixel;
if (source[sourceI + 0] != bgG && source[sourceI + 1] != bgB && source[sourceI + 2] != bgR)
{
output[outI + 0] = 0;
output[outI + 1] = 0;
output[outI + 2] = 0;
output[outI + 3] = (byte) ((1 - 1f*(y - beginY)/d)*90);
}
}
}*/
public static void DoBlur(NonLinearTransfromNeededEventArg e, int r)
{
var output = e.Pixels;
var source = e.SourcePixels;
var s = e.Stride;
var sy = e.ClientRectangle.Height;
var sx = e.ClientRectangle.Width;
var maxI = source.Length - bytesPerPixel;
for (int x = r; x < sx - r; x++)
for (int y = r; y < sy - r; y++)
{
int outI = y * s + x * bytesPerPixel;
int R = 0, G = 0, B = 0, A = 0;
int counter = 0;
for (int xx = x - r; xx < x + r; xx++)
for (int yy = y - r; yy < y + r; yy++)
{
int srcI = yy * s + xx * bytesPerPixel;
if (srcI >= 0 && srcI < maxI)
if (source[srcI + 3] > 0)
{
B += source[srcI + 0];
G += source[srcI + 1];
R += source[srcI + 2];
A += source[srcI + 3];
counter++;
}
}
if (outI < maxI && counter > 5)
{
output[outI + 0] = (byte)(B / counter);
output[outI + 1] = (byte)(G / counter);
output[outI + 2] = (byte)(R / counter);
output[outI + 3] = (byte)(A / counter);
//output[outI + 3] = 255; //(byte)((1 - 1f * (y - beginY) / d) * 90);
}
}
}
public static void DoBottomMirror(NonLinearTransfromNeededEventArg e)
{
var source = e.SourcePixels;
var output = e.Pixels;
var s = e.Stride;
var dy = 1;
var beginY = e.SourceClientRectangle.Bottom + dy;
var sy = e.ClientRectangle.Height;
var beginX = e.SourceClientRectangle.Left;
var endX = e.SourceClientRectangle.Right;
var d = sy - beginY;
for (int x = beginX; x < endX; x++)
for (int y = beginY; y < sy; y++)
{
var sourceY = (int)(beginY - 1 - dy - (y - beginY));
if (sourceY < 0)
break;
var sourceX = x;
int sourceI = sourceY * s + sourceX * bytesPerPixel;
int outI = y * s + x * bytesPerPixel;
output[outI + 0] = source[sourceI + 0];
output[outI + 1] = source[sourceI + 1];
output[outI + 2] = source[sourceI + 2];
output[outI + 3] = (byte)((1 - 1f * (y - beginY) / d) * 90);
}
}
public static void DoTransparent(NonLinearTransfromNeededEventArg e, Animation animation)
{
if (animation.TransparencyCoeff == 0f)
return;
var opacity = 1f - animation.TransparencyCoeff * e.CurrentTime;
if (opacity < 0f)
opacity = 0f;
if (opacity > 1f)
opacity = 1f;
var pixels = e.Pixels;
for (int counter = 0; counter < pixels.Length; counter += bytesPerPixel)
pixels[counter + 3] = (byte)(pixels[counter + 3] * opacity);
}
public static void DoLeaf(NonLinearTransfromNeededEventArg e, Animation animation)
{
if (animation.LeafCoeff == 0f)
return;
var pixels = e.Pixels;
var sx = e.ClientRectangle.Width;
var sy = e.ClientRectangle.Height;
var s = e.Stride;
var a = (int)((sx + sy) * (1 - e.CurrentTime * e.CurrentTime));
var count = pixels.Length;
for (int x = 0; x < sx; x++)
for (int y = 0; y < sy; y++)
{
int i = y * s + x * bytesPerPixel;
if (x + y >= a)
{
var newX = a - y;
var newY = a - x;
var d = a - x - y;
if (d < -20)
d = -20;
int newI = newY * s + newX * bytesPerPixel;
if (newX >= 0 && newY >= 0)
if (newI >= 0 && newI < count)
if (pixels[i + 3] > 0)
{
pixels[newI + 0] = (byte)Math.Min(255, d + 250 + pixels[i + 0] / 10);
pixels[newI + 1] = (byte)Math.Min(255, d + 250 + pixels[i + 1] / 10);
pixels[newI + 2] = (byte)Math.Min(255, d + 250 + pixels[i + 2] / 10);
pixels[newI + 3] = 230;
}
pixels[i + 3] = (byte)(0);
}
}
}
