public void Update(RotateZoomEffectConfigToken token)
{
Transform(token, 0, 0, out startX, out startY, out startZ);
Transform(token, 1, 0, out dsxdx, out dsydx, out dszdx);
Transform(token, 0, 1, out dsxdy, out dsydy, out dszdy);
dsxdx -= startX; dsydx -= startY; dszdx -= startZ;
dsxdy -= startX; dsydy -= startY; dszdy -= startZ;
}
public void Update(RotateZoomEffectConfigToken token)
{
Transform(token, 0, 0, out startX, out startY, out startZ);
Transform(token, 1, 0, out dsxdx, out dsydx, out dszdx);
Transform(token, 0, 1, out dsxdy, out dsydy, out dszdy);
dsxdx -= startX; dsydx -= startY; dszdx -= startZ;
dsxdy -= startX; dsydy -= startY; dszdy -= startZ;
}
protected RotateZoomEffectConfigToken(RotateZoomEffectConfigToken copyMe)
{
this.highQuality = copyMe.highQuality;
this.preRotateZ = copyMe.preRotateZ;
this.postRotateZ = copyMe.postRotateZ;
this.tilt = copyMe.tilt;
this.zoom = copyMe.zoom;
this.offset = copyMe.offset;
this.sourceAsBackground = copyMe.sourceAsBackground;
this.tile = copyMe.tile;
UpdateRzInfo();
}
protected RotateZoomEffectConfigToken(RotateZoomEffectConfigToken copyMe)
{
this.highQuality = copyMe.highQuality;
this.preRotateZ = copyMe.preRotateZ;
this.postRotateZ = copyMe.postRotateZ;
this.tilt = copyMe.tilt;
this.zoom = copyMe.zoom;
this.offset = copyMe.offset;
this.sourceAsBackground = copyMe.sourceAsBackground;
this.tile = copyMe.tile;
UpdateRzInfo();
}
protected override void InitDialogFromToken(EffectConfigToken effectToken)
{
RotateZoomEffectConfigToken token = (RotateZoomEffectConfigToken)effectToken;
double r = Math.Sin(token.Tilt) * 90;
double t = -token.PreRotateZ;
panControl.Position = token.Offset;
rollControl.Angle = (token.PostRotateZ - t) * 180 / Math.PI;
rollControl.RollDirection = 180 * t / Math.PI;
rollControl.RollAmount = r;
keepBackgroundCheckBox.Checked = token.SourceAsBackground;
tileSourceCheckBox.Checked = token.Tile;
trackBarZoom.Value = (int)Math.Round(512 + 128 * Math.Log(token.Zoom, 2.0));
TrackBarZoom_ValueChanged(this, EventArgs.Empty);
}
protected override void InitTokenFromDialog()
{
RotateZoomEffectConfigToken token = (RotateZoomEffectConfigToken)theEffectToken;
double angle = rollControl.RollDirection * Math.PI / 180;
double dist = rollControl.RollAmount;
if (double.IsNaN(angle))
{
angle = 0;
dist = 0;
}
token.Offset = panControl.Position;
token.PreRotateZ = (float)(angle);
token.PostRotateZ = (float)(-angle - rollControl.Angle * Math.PI / 180);
token.Tilt = (float)Math.Asin(dist / 90);
token.SourceAsBackground = keepBackgroundCheckBox.Checked;
token.Tile = tileSourceCheckBox.Checked;
token.Zoom = (float)Math.Pow(2.0, (trackBarZoom.Value - 512) / 128.0);
}
private void Transform(RotateZoomEffectConfigToken token, int x, int y, out float sx, out float sy, out float sz)
{
float rb = token.preRotateZ;
float ra = token.postRotateZ;
float r = -token.tilt;
float crb = (float)Math.Cos(rb);
float cr = (float)Math.Cos(r);
float cra = (float)Math.Cos(ra);
float srb = (float)Math.Sin(rb);
float sr = (float)Math.Sin(r);
float sra = (float)Math.Sin(ra);
float ox = x, oy = y, oz = 0;
sx = (ox * crb + oy * srb) / cr;
sy = -ox * srb + oy * crb;
sz = sx * sr;
sx = sx / cr;
ox = sx; oy = sy; oz = sz;
sx = ox * cra + oy * sra;
sy = -ox * sra + oy * cra;
}
private void Transform(RotateZoomEffectConfigToken token, int x, int y, out float sx, out float sy, out float sz)
{
float rb = token.preRotateZ;
float ra = token.postRotateZ;
float r = -token.tilt;
float crb = (float)Math.Cos(rb);
float cr = (float)Math.Cos(r);
float cra = (float)Math.Cos(ra);
float srb = (float)Math.Sin(rb);
float sr = (float)Math.Sin(r);
float sra = (float)Math.Sin(ra);
float ox = x, oy = y, oz = 0;
sx = (ox * crb + oy * srb) / cr;
sy = -ox * srb + oy * crb;
sz = sx * sr;
sx = sx / cr;
ox = sx; oy = sy; oz = sz;
sx = ox * cra + oy * sra;
sy = -ox * sra + oy * cra;
}
protected override void InitialInitToken()
{
theEffectToken = new RotateZoomEffectConfigToken(true, 0, 0, 0, 1.0f, PointF.Empty, false, false);
}
public unsafe override void Render(EffectConfigToken parameters, RenderArgs dstArgs, RenderArgs srcArgs, Rectangle[] rois, int startIndex, int length)
{
RotateZoomEffectConfigToken token = (RotateZoomEffectConfigToken)parameters;
RotateZoomEffectConfigToken.RzInfo rzInfo = token.ComputedOnce;
Rectangle bounds = this.EnvironmentParameters.GetSelection(dstArgs.Bounds).GetBoundsInt();
bounds.Intersect(dstArgs.Bounds);
Surface src = srcArgs.Surface;
Surface dst = dstArgs.Surface;
PdnRegion selection = this.EnvironmentParameters.GetSelection(src.Bounds);
Rectangle srcBounds = src.Bounds;
int srcMaxX = srcBounds.Width - 1;
int srcMaxY = srcBounds.Height - 1;
float dsxdx = rzInfo.dsxdx;
float dsydx = rzInfo.dsydx;
float dszdx = rzInfo.dszdx;
float dsxdy = rzInfo.dsxdy;
float dsydy = rzInfo.dsydy;
float dszdy = rzInfo.dszdy;
float zoom = token.Zoom;
uint srcMask = token.SourceAsBackground ? 0xffffffff : 0;
bool tile = token.Tile;
float divZ = 0.5f * (float)Math.Sqrt(dst.Width * dst.Width + dst.Height * dst.Height);
float centerX = (float)dst.Width / 2.0f;
float centerY = (float)dst.Height / 2.0f;
float tx = (token.Offset.X) * dst.Width / 2.0f;
float ty = (token.Offset.Y) * dst.Height / 2.0f;
uint tilingMask = tile ? 0xffffffff : 0;
for (int i = startIndex; i < startIndex + length; ++i)
{
Rectangle rect = rois[i];
float cx = rzInfo.startX;
float cy = rzInfo.startY;
float cz = rzInfo.startZ;
float mcl = ((rect.Left - tx) - dst.Width / 2.0f);
cx += dsxdx * mcl;
cy += dsydx * mcl;
cz += dszdx * mcl;
float mct = ((rect.Top - ty) - dst.Height / 2.0f);
cx += dsxdy * mct;
cy += dsydy * mct;
cz += dszdy * mct;
for (int y = rect.Top; y < rect.Bottom; ++y)
{
ColorBgra *dstPtr = dst.GetPointAddressUnchecked(rect.Left, y);
ColorBgra *srcPtr = src.GetPointAddressUnchecked(rect.Left, y);
float rx = cx;
float ry = cy;
float rz = cz;
for (int x = rect.Left; x < rect.Right; ++x)
{
if (rz > -divZ)
{
float div = divZ / (zoom * (divZ + rz));
float u = (rx * div) + centerX;
float v = (ry * div) + centerY;
if (tile || (u >= -1 && v >= -1 && u <= srcBounds.Width && v <= srcBounds.Height))
{
unchecked
{
int iu = (int)Math.Floor(u);
uint sxfrac = (uint)(256 * (u - (float)iu));
uint sxfracinv = 256 - sxfrac;
int iv = (int)Math.Floor(v);
uint syfrac = (uint)(256 * (v - (float)iv));
uint syfracinv = 256 - syfrac;
uint wul = (uint)(sxfracinv * syfracinv);
uint wur = (uint)(sxfrac * syfracinv);
uint wll = (uint)(sxfracinv * syfrac);
uint wlr = (uint)(sxfrac * syfrac);
uint inBoundsMaskLeft = tilingMask;
uint inBoundsMaskTop = tilingMask;
uint inBoundsMaskRight = tilingMask;
uint inBoundsMaskBottom = tilingMask;
int sx = iu;
if (sx < 0)
{
sx = srcMaxX + ((sx + 1) % srcBounds.Width);
}
else if (sx > srcMaxX)
{
sx = sx % srcBounds.Width;
}
else
{
inBoundsMaskLeft = 0xffffffff;
}
int sy = iv;
if (sy < 0)
{
sy = srcMaxY + ((sy + 1) % srcBounds.Height);
}
else if (sy > srcMaxY)
{
sy = sy % srcBounds.Height;
}
else
{
inBoundsMaskTop = 0xffffffff;
}
int sleft = sx;
int sright;
if (sleft == srcMaxX)
{
sright = 0;
inBoundsMaskRight = (iu == -1) ? 0xffffffff : tilingMask;
}
else
{
sright = sleft + 1;
inBoundsMaskRight = inBoundsMaskLeft & 0xffffffff;
}
int stop = sy;
int sbottom;
if (stop == srcMaxY)
{
sbottom = 0;
inBoundsMaskBottom = (iv == -1) ? 0xffffffff : tilingMask;
}
else
{
sbottom = stop + 1;
inBoundsMaskBottom = inBoundsMaskTop & 0xffffffff;
}
uint maskUL = inBoundsMaskLeft & inBoundsMaskTop;
ColorBgra cul = ColorBgra.FromUInt32(src.GetPointUnchecked(sleft, stop).Bgra & maskUL);
uint maskUR = inBoundsMaskRight & inBoundsMaskTop;
ColorBgra cur = ColorBgra.FromUInt32(src.GetPointUnchecked(sright, stop).Bgra & maskUR);
uint maskLL = inBoundsMaskLeft & inBoundsMaskBottom;
ColorBgra cll = ColorBgra.FromUInt32(src.GetPointUnchecked(sleft, sbottom).Bgra & maskLL);
uint maskLR = inBoundsMaskRight & inBoundsMaskBottom;
ColorBgra clr = ColorBgra.FromUInt32(src.GetPointUnchecked(sright, sbottom).Bgra & maskLR);
ColorBgra c = ColorBgra.BlendColors4W16IP(cul, wul, cur, wur, cll, wll, clr, wlr);
if (c.A == 255 || !token.SourceAsBackground)
{
dstPtr->Bgra = c.Bgra;
}
else
{
*dstPtr = PaintDotNet.UserBlendOps.NormalBlendOp.ApplyStatic(*srcPtr, c);
}
}
}
else
{
if (srcMask != 0)
{
dstPtr->Bgra = srcPtr->Bgra;
}
else
{
dstPtr->Bgra = 0;
}
}
}
else
{
if (srcMask != 0)
{
dstPtr->Bgra = srcPtr->Bgra;
}
else
{
dstPtr->Bgra = 0;
}
}
rx += dsxdx;
ry += dsydx;
rz += dszdx;
++dstPtr;
++srcPtr;
}
cx += dsxdy;
cy += dsydy;
cz += dszdy;
}
}
}
protected override void InitialInitToken()
{
theEffectToken = new RotateZoomEffectConfigToken(true, 0, 0, 0, 1.0f, PointF.Empty, false, false);
}