protected virtual void CodeBitmapDirectly(Bitmap bm)
{
lock (bm)
{
bm.MinimumBorder = 3;
int dy = bm.ImageHeight - 1;
CodeBitmapDirectly(bm, bm.ImageWidth, dy, bm.RowOffset(dy + 2), bm.RowOffset(dy + 1), bm.RowOffset(dy));
}
}
protected virtual void CodeBitmapByCrossCoding(Bitmap bm, Bitmap cbm, int libno)
{
// Bitmap cbm=new Bitmap();
// synchronized(xcbm)
// {
// cbm.init(xcbm);
// }
lock (bm)
{
int cw = cbm.ImageWidth;
int dw = bm.ImageWidth;
int dh = bm.ImageHeight;
Rectangle lmatch = (Rectangle)_libinfo[libno];
//int xd2c = ((1 + (dw / 2)) - dw) - ((((1 + lmatch.Left) - lmatch.Right) / 2) - lmatch.Left);
//int yd2c = ((1 + (dh / 2)) - dh) - ((((1 + lmatch.Top) - lmatch.Bottom) / 2) - lmatch.Top);
int xd2c = ((1 + (dw >> 1)) - dw) - ((((1 + lmatch.Left) - lmatch.Right) >> 1) - lmatch.Left);
int yd2c = ((1 + (dh >> 1)) - dh) - ((((1 + lmatch.Top) - lmatch.Bottom) >> 1) - lmatch.Top);
bm.MinimumBorder = 2;
cbm.MinimumBorder = 2 - xd2c;
cbm.MinimumBorder = (2 + dw + xd2c) - cw;
int dy = dh - 1;
int cy = dy + yd2c;
CodeBitmapByCrossCoding(bm, cbm, xd2c, dw, dy, cy, bm.RowOffset(dy + 1), bm.RowOffset(dy),
cbm.RowOffset(cy + 1) + xd2c, cbm.RowOffset(cy) + xd2c,
cbm.RowOffset(cy - 1) + xd2c);
}
}
protected abstract void CodeBitmapDirectly(Bitmap bm, int dw, int dy, int up2, int up1, int up0);
/// <summary>
/// Creates a new Shape object.
/// </summary>
public JB2Shape()
{
Parent = 0;
_bitmap = null;
}
protected abstract void CodeBitmapByCrossCoding(Bitmap bm, Bitmap cbm, int xd2c, int dw, int dy,
int cy, int up1, int up0, int xup1, int xup0,
int xdn1);
protected int GetCrossContext(Bitmap bm, Bitmap cbm, int up1, int up0, int xup1, int xup0, int xdn1,
int column)
{
return ((bm.GetByteAt((up1 + column) - 1) << 10) | (bm.GetByteAt(up1 + column) << 9) |
(bm.GetByteAt(up1 + column + 1) << 8) | (bm.GetByteAt((up0 + column) - 1) << 7) |
(cbm.GetByteAt(xup1 + column) << 6) | (cbm.GetByteAt((xup0 + column) - 1) << 5) |
(cbm.GetByteAt(xup0 + column) << 4) | (cbm.GetByteAt(xup0 + column + 1) << 3) |
(cbm.GetByteAt((xdn1 + column) - 1) << 2) | (cbm.GetByteAt(xdn1 + column) << 1) |
(cbm.GetByteAt(xdn1 + column + 1)));
}
protected int ShiftCrossContext(Bitmap bm, Bitmap cbm, int context, int n, int up1, int up0,
int xup1, int xup0, int xdn1, int column)
{
return (((context << 1) & 0x636) | (bm.GetByteAt(up1 + column + 1) << 8) |
(cbm.GetByteAt(xup1 + column) << 6) | (cbm.GetByteAt(xup0 + column + 1) << 3) |
(cbm.GetByteAt(xdn1 + column + 1)) | (n << 7));
}
protected override void CodeBitmapDirectly(Bitmap bm, int dw, int dy, int up2, int up1, int up0)
{
while (dy >= 0)
{
int context = GetDirectContext(bm, up2, up1, up0, 0);
for (int dx = 0; dx < dw; )
{
int n = CodeBit(false, Bitdist, context);
bm.SetByteAt(up0 + dx++, n);
context = ShiftDirectContext(bm, context, n, up2, up1, up0, dx);
}
up2 = up1;
up1 = up0;
up0 = bm.RowOffset(--dy);
}
}
protected override void CodeRelativeMarkSize(Bitmap bm, int cw, int ch, int border)
{
//Console.WriteLine("Jb2D crms(b i i i) cw: " + cw);
//Console.WriteLine("Jb2D crms(b i i i) ch: " + ch);
//Console.WriteLine("Jb2D crms(b i i i) border: " + border);
//Console.WriteLine("Jb2D crms(b i i i) rel_size_x: " + rel_size_x.Value);
//Console.WriteLine("Jb2D crms(b i i i) rel_size_y: " + rel_size_y.Value);
int xdiff = CodeNum(Bignegative, Bigpositive, RelSizeX);
int ydiff = CodeNum(Bignegative, Bigpositive, RelSizeY);
//Console.WriteLine("Jb2D crms(b i i i) xdiff: " + xdiff);
//Console.WriteLine("Jb2D crms(b i i i) ydiff: " + ydiff);
int xsize = cw + xdiff;
int ysize = ch + ydiff;
//Console.WriteLine("Jb2D crms(b i i i) xsize: " + xsize);
//Console.WriteLine("Jb2D crms(b i i i) ysize: " + ysize);
if ((xsize != (0xffff & xsize)) || (ysize != (0xffff & ysize)))
{
throw new SystemException("Image image decoder value");
}
bm.Init(ysize, xsize, border);
}
public GBitmap GetBitmap(GRect rect, int subsample, int align, GBitmap retval)
{
return GetBitmapList(rect, 1, 1, null);
}
protected override void CodeBitmapByCrossCoding(Bitmap bm, Bitmap cbm, int xd2c, int dw, int dy,
int cy, int up1, int up0, int xup1, int xup0,
int xdn1)
{
while (dy >= 0)
{
int context = GetCrossContext(bm, cbm, up1, up0, xup1, xup0, xdn1, 0);
for (int dx = 0; dx < dw; )
{
int n = CodeBit(false, Cbitdist, context);
bm.SetByteAt(up0 + dx++, n);
context = ShiftCrossContext(bm, cbm, context, n, up1, up0, xup1, xup0, xdn1, dx);
}
up1 = up0;
up0 = bm.RowOffset(--dy);
xup1 = xup0;
xup0 = xdn1;
xdn1 = cbm.RowOffset((--cy) - 1) + xd2c;
}
}
private bool Stencil(PixelMap pm, Graphics.Rectangle rect, int subsample, double gamma)
{
if (Info == null)
{
return false;
}
int width = Info.Width;
int height = Info.Height;
if ((width <= 0) || (height <= 0))
{
return false;
}
double gamma_correction = 1.0D;
if (gamma > 0.0D)
{
gamma_correction = gamma / Info.Gamma;
}
if (gamma_correction < 0.10000000000000001D)
{
gamma_correction = 0.10000000000000001D;
}
else if (gamma_correction > 10D)
{
gamma_correction = 10D;
}
JB2Image fgJb2 = ForegroundJB2Image;
if (fgJb2 != null)
{
ColorPalette fgPalette = ForegroundPalette;
if (fgPalette != null)
{
List<int> components = new List<int>();
GBitmap bm = GetBitmapList(rect, subsample, 1, components);
if (fgJb2.Blits.Count != fgPalette.BlitColors.Length)
{
pm.Attenuate(bm, 0, 0);
return false;
}
GPixmap colors =
new GPixmap().Init(
1,
fgPalette.PaletteColors.Length,
null);
GPixelReference color = colors.CreateGPixelReference(0);
for (int i = 0; i < colors.ImageWidth; color.IncOffset())
{
fgPalette.index_to_color(i++, color);
}
colors.ApplyGammaCorrection(gamma_correction);
List<int> compset = new List<int>();
while (components.Count > 0)
{
int lastx = 0;
int colorindex = fgPalette.BlitColors[((int)components[0])];
GRect comprect = new GRect();
compset = new List<int>();
for (int pos = 0; pos < components.Count; )
{
int blitno = ((int)components[pos]);
JB2Blit pblit = fgJb2.Blits[blitno];
if (pblit.Left < lastx)
{
break;
}
lastx = pblit.Left;
if (fgPalette.BlitColors[blitno] == colorindex)
{
JB2Shape pshape = fgJb2.GetShape(pblit.ShapeNumber);
GRect xrect =
new GRect(
pblit.Left,
pblit.Bottom,
pshape.Bitmap.ImageWidth,
pshape.Bitmap.ImageHeight);
comprect.Recthull(comprect, xrect);
compset.Add(components[pos]);
components.Remove(pos);
}
else
{
pos++;
}
}
comprect.XMin /= subsample;
comprect.YMin /= subsample;
comprect.XMax = ((comprect.XMax + subsample) - 1) / subsample;
comprect.YMax = ((comprect.YMax + subsample) - 1) / subsample;
comprect.Intersect(comprect, rect);
if (comprect.Empty)
{
continue;
}
// bm = getBitmap(comprect, subsample, 1);
bm = new GBitmap();
bm.Init(
comprect.Height,
comprect.Width,
0);
bm.Grays = 1 + (subsample * subsample);
int rxmin = comprect.XMin * subsample;
int rymin = comprect.YMin * subsample;
for (int pos = 0; pos < compset.Count; ++pos)
{
int blitno = ((int)compset[pos]);
JB2Blit pblit = fgJb2.Blits[blitno];
JB2Shape pshape = fgJb2.GetShape(pblit.ShapeNumber);
bm.Blit(
pshape.Bitmap,
pblit.Left - rxmin,
pblit.Bottom - rymin,
subsample);
}
color.SetOffset(colorindex);
pm.Blit(
bm,
comprect.XMin - rect.XMin,
comprect.YMin - rect.YMin,
color);
}
return true;
}
// Three layer model.
IWPixelMap fgIWPixmap = ForegroundIWPixelMap;
if (fgIWPixmap != null)
{
GBitmap bm = GetBitmap(rect, subsample, 1, null);
if ((bm != null) && (pm != null))
{
GPixmap fgPixmap = ForegroundPixelMap;
int w = fgPixmap.ImageWidth;
int h = fgPixmap.ImageHeight;
int red = ComputeRed(width, height, w, h);
// if((red < 1) || (red > 12))
if ((red < 1) || (red > 16))
{
return false;
}
//
// int supersample = (red <= subsample)
// ? 1
// : (red / subsample);
// int wantedred = supersample * subsample;
//
// if(red == wantedred)
// {
// pm.stencil(bm, fgPixmap, supersample, rect, gamma_correction);
//
// return 1;
// }
pm.Stencil(bm, fgPixmap, red, subsample, rect, gamma_correction);
return true;
}
}
}
return false;
}
public Bitmap GetBitmap(int subsample, int align)
{
if ((Width == 0) || (Height == 0))
{
throw new SystemException("Image can not create bitmap");
}
int swidth = ((Width + subsample) - 1) / subsample;
int sheight = ((Height + subsample) - 1) / subsample;
int border = (((swidth + align) - 1) & ~(align - 1)) - swidth;
Bitmap bm = new Bitmap();
bm.Init(sheight, swidth, border);
bm.Grays = (1 + (subsample * subsample));
//for (int blitno = 0; blitno < Blits.Count; blitno++)
Parallel.For(
0,
Blits.Count,
blitno =>
{
JB2Blit pblit = GetBlit(blitno);
JB2Shape pshape = GetShape(pblit.ShapeNumber);
if (pshape.Bitmap != null)
{
bm.Blit(pshape.Bitmap, pblit.Left, pblit.Bottom, subsample);
}
});
return bm;
}
public Bitmap GetBitmap(Rectangle rect, int subsample, int align, int dispy, List<int> components)
{
if (components == null)
{
return GetBitmap(rect, subsample, align, dispy);
}
if ((Width == 0) || (Height == 0))
{
throw new SystemException("Image can not create bitmap");
}
int rxmin = rect.Right * subsample;
int rymin = rect.Bottom * subsample;
int swidth = rect.Width;
int sheight = rect.Height;
int border = (((swidth + align) - 1) & ~(align - 1)) - swidth;
Bitmap bm = new Bitmap();
bm.Init(sheight, swidth, border);
bm.Grays = (1 + (subsample * subsample));
for (int blitno = 0; blitno < Blits.Count; )
{
JB2Blit pblit = GetBlit(blitno++);
JB2Shape pshape = GetShape(pblit.ShapeNumber);
if (pshape.Bitmap != null)
{
if (bm.Blit(pshape.Bitmap, pblit.Left - rxmin, (dispy + pblit.Bottom) - rymin, subsample))
{
components.Add((blitno - 1));
}
}
}
return bm;
}
protected void CodeRelativeMarkSize(Bitmap bm, int cw, int ch)
{
CodeRelativeMarkSize(bm, cw, ch, 0);
}
protected override void CodeAbsoluteMarkSize(Bitmap bm, int border)
{
int xsize = CodeNum(0, Bigpositive, AbsSizeX);
int ysize = CodeNum(0, Bigpositive, AbsSizeY);
if ((xsize != (0xffff & xsize)) || (ysize != (0xffff & ysize)))
{
throw new SystemException("Image bad number");
}
bm.Init(ysize, xsize, border);
}
protected abstract void CodeRelativeMarkSize(Bitmap bm, int cw, int ch, int border);
protected void CodeAbsoluteMarkSize(Bitmap bm)
{
CodeAbsoluteMarkSize(bm, 0);
}
protected int GetDirectContext(Bitmap bm, int up2, int up1, int up0, int column)
{
return ((bm.GetByteAt((up2 + column) - 1) << 9) | (bm.GetByteAt(up2 + column) << 8) |
(bm.GetByteAt(up2 + column + 1) << 7) | (bm.GetByteAt((up1 + column) - 2) << 6) |
(bm.GetByteAt((up1 + column) - 1) << 5) | (bm.GetByteAt(up1 + column) << 4) |
(bm.GetByteAt(up1 + column + 1) << 3) | (bm.GetByteAt(up1 + column + 2) << 2) |
(bm.GetByteAt((up0 + column) - 2) << 1) | (bm.GetByteAt((up0 + column) - 1)));
}
protected abstract void CodeAbsoluteMarkSize(Bitmap bm, int border);
protected int ShiftDirectContext(Bitmap bm, int context, int next, int up2, int up1, int up0,
int column)
{
return (((context << 1) & 0x37a) | (bm.GetByteAt(up1 + column + 2) << 2) |
(bm.GetByteAt(up2 + column + 1) << 7) | next);
}
public virtual JB2Shape Init(int parent)
{
this.Parent = parent;
_bitmap = new Bitmap();
return this;
}