static void addBackground32(TRaster32P ras, const TPixel32 &col)
{
ras->lock();
int nrows = ras->getLy();
while (nrows-- > 0) {
TPixel32 *pix = ras->pixels(nrows);
TPixel32 *endPix = pix + ras->getLx();
while (pix < endPix) {
*pix = overPix(col, *pix);
pix++;
}
}
ras->unlock();
}
void do_over(TRaster32P rout, const TRasterGR8P &rup, const TPixel32 &color)
{
assert(rout->getSize() == rup->getSize());
for (int y = rout->getLy(); --y >= 0;) {
TPixel32 *out_pix = rout->pixels(y);
TPixel32 *const out_end = out_pix + rout->getLx();
const TPixelGR8 *up_pix = rup->pixels(y);
for (; out_pix < out_end; ++out_pix, ++up_pix) {
double v = up_pix->value / 255.0;
TPixel32 up(troundp(v * color.r), troundp(v * color.g), troundp(v * color.b), troundp(v * color.m));
*out_pix = overPix(*out_pix, up);
}
}
}
void fill(const TRaster32P &ras, const TRaster32P &ref,
const FillParameters ¶ms, TTileSaverFullColor *saver) {
TPixel32 *pix, *limit, *pix0, *oldpix;
int oldy, xa, xb, xc, xd, dy;
int oldxc, oldxd;
int matte, oldMatte;
int x = params.m_p.x, y = params.m_p.y;
TRaster32P workRas = ref ? ref : ras;
TRect bbbox = workRas->getBounds();
if (!bbbox.contains(params.m_p)) return;
TPaletteP plt = params.m_palette;
TPixel32 color = plt->getStyle(params.m_styleId)->getMainColor();
int fillDepth =
params.m_shiftFill ? params.m_maxFillDepth : params.m_minFillDepth;
assert(fillDepth >= 0 && fillDepth < 16);
fillDepth = ((15 - fillDepth) << 4) | (15 - fillDepth);
// looking for any pure transparent pixel along the border; if after filling
// that pixel will be changed,
// it means that I filled the bg and the savebox needs to be recomputed!
TPixel32 borderIndex;
TPixel32 *borderPix = 0;
pix = workRas->pixels(0);
int i;
for (i = 0; i < workRas->getLx(); i++, pix++) // border down
if (pix->m == 0) {
borderIndex = *pix;
borderPix = pix;
break;
}
if (borderPix == 0) // not found in border down...try border up (avoid left
// and right borders...so unlikely)
{
pix = workRas->pixels(workRas->getLy() - 1);
for (i = 0; i < workRas->getLx(); i++, pix++) // border up
if (pix->m == 0) {
borderIndex = *pix;
borderPix = pix;
break;
}
}
std::stack<FillSeed> seeds;
std::map<int, std::vector<std::pair<int, int>>> segments;
// fillRow(r, params.m_p, xa, xb, color ,saver);
findSegment(workRas, params.m_p, xa, xb, color);
segments[y].push_back(std::pair<int, int>(xa, xb));
seeds.push(FillSeed(xa, xb, y, 1));
seeds.push(FillSeed(xa, xb, y, -1));
while (!seeds.empty()) {
FillSeed fs = seeds.top();
seeds.pop();
xa = fs.m_xa;
xb = fs.m_xb;
oldy = fs.m_y;
dy = fs.m_dy;
y = oldy + dy;
if (y > bbbox.y1 || y < bbbox.y0) continue;
pix = pix0 = workRas->pixels(y) + xa;
limit = workRas->pixels(y) + xb;
oldpix = workRas->pixels(oldy) + xa;
x = xa;
oldxd = (std::numeric_limits<int>::min)();
oldxc = (std::numeric_limits<int>::max)();
while (pix <= limit) {
oldMatte = threshMatte(oldpix->m, fillDepth);
matte = threshMatte(pix->m, fillDepth);
bool test = false;
if (segments.find(y) != segments.end())
test = isPixelInSegment(segments[y], x);
if (*pix != color && !test && matte >= oldMatte && matte != 255) {
findSegment(workRas, TPoint(x, y), xc, xd, color);
// segments[y].push_back(std::pair<int,int>(xc, xd));
insertSegment(segments[y], std::pair<int, int>(xc, xd));
if (xc < xa) seeds.push(FillSeed(xc, xa - 1, y, -dy));
if (xd > xb) seeds.push(FillSeed(xb + 1, xd, y, -dy));
if (oldxd >= xc - 1)
oldxd = xd;
else {
if (oldxd >= 0) seeds.push(FillSeed(oldxc, oldxd, y, dy));
oldxc = xc;
oldxd = xd;
}
pix += xd - x + 1;
oldpix += xd - x + 1;
x += xd - x + 1;
} else {
pix++;
oldpix++, x++;
}
}
if (oldxd > 0) seeds.push(FillSeed(oldxc, oldxd, y, dy));
}
std::map<int, std::vector<std::pair<int, int>>>::iterator it;
for (it = segments.begin(); it != segments.end(); it++) {
TPixel32 *line = ras->pixels(it->first);
TPixel32 *refLine = 0;
TPixel32 *refPix;
if (ref) refLine = ref->pixels(it->first);
std::vector<std::pair<int, int>> segmentVector = it->second;
for (int i = 0; i < (int)segmentVector.size(); i++) {
std::pair<int, int> segment = segmentVector[i];
if (segment.second >= segment.first) {
pix = line + segment.first;
if (ref) refPix = refLine + segment.first;
int n;
for (n = 0; n < segment.second - segment.first + 1; n++, pix++) {
if (ref) {
*pix = *refPix;
refPix++;
} else
*pix = pix->m == 0 ? color : overPix(color, *pix);
}
}
}
}
}
