void build_gr_cum(const TRasterImageP &image, int cum[256])
{
int lx, ly, wrap, true_lx, true_ly;
int i, x, y;
UCHAR *pix, *buffer;
int histo[256], raster_is_savebox;
get_virtual_buffer(image, &lx, &ly, &wrap, &buffer);
for (i = 0; i < 256; i++)
histo[i] = 0;
for (y = 0; y < ly; y++) {
pix = buffer + y * wrap;
for (x = 0; x < lx; x++)
histo[*pix++]++;
}
raster_is_savebox = 1;
TRect saveBox = image->getSavebox();
if ((saveBox.getLx() > 0 && saveBox.getLx() < image->getRaster()->getLx()) ||
(saveBox.getLy() > 0 && saveBox.getLy() < image->getRaster()->getLy()))
raster_is_savebox = 0;
if (raster_is_savebox) {
true_lx = saveBox.getLx() ? saveBox.getLx() : image->getRaster()->getLx();
true_ly = saveBox.getLy() ? saveBox.getLy() : image->getRaster()->getLy();
} else {
true_lx = image->getRaster()->getLx();
true_ly = image->getRaster()->getLy();
}
histo[255] += true_lx * true_ly - lx * ly;
build_cum(histo, cum);
}
bool TCleanupper::getResampleValues(const TRasterImageP &image, TAffine &aff, double &blur,
TDimension &outDim, TPointD &outDpi, bool isCameraTest, bool &isSameDpi)
{
double outlp, outlq;
double scalex, scaley;
double cxin, cyin, cpout, cqout;
double max_blur;
TPointD dpi;
// Locking the input image to be cleanupped
image->getRaster()->lock();
// Retrieve image infos
int rasterLx = image->getRaster()->getLx();
int rasterLy = image->getRaster()->getLy();
/*---入力画像サイズとSaveBoxのサイズが一致しているか？の判定---*/
TRect saveBox = image->getSavebox();
bool raster_is_savebox = true;
if (saveBox == TRect() && (saveBox.getLx() > 0 && saveBox.getLx() < rasterLx ||
saveBox.getLy() > 0 && saveBox.getLy() < rasterLy))
raster_is_savebox = false;
image->getDpi(dpi.x, dpi.y);
if (dpi == TPointD()) {
dpi = getCustomDpi();
if (dpi == TPointD())
dpi.x = dpi.y = 65.0; //using 65.0 as default DPI
} else if (!dpi.x)
dpi.x = dpi.y;
else if (!dpi.y)
dpi.y = dpi.x;
// Retrieve some cleanup parameters
int rotate = m_parameters->m_rotate;
//Build scaling/dpi data
{
m_parameters->getOutputImageInfo(outDim, outDpi.x, outDpi.y);
// input -> output scale factor
scalex = outDpi.x / dpi.x;
scaley = outDpi.y / dpi.y;
outlp = outDim.lx;
outlq = outDim.ly;
}
/*--- 拡大／縮小をしていない場合（DPIが変わらない場合）、NearestNeighborでリサンプリングする。---*/
isSameDpi = areAlmostEqual(outDpi.x, dpi.x, 0.1) && areAlmostEqual(outDpi.y, dpi.y, 0.1);
// Retrieve input center
if (raster_is_savebox) {
cxin = -saveBox.getP00().x + (saveBox.getLx() - 1) / 2.0;
cyin = -saveBox.getP00().y + (saveBox.getLy() - 1) / 2.0;
} else {
cxin = (rasterLx - 1) / 2.0;
cyin = (rasterLy - 1) / 2.0;
}
// Retrieve output center
cpout = (outlp - 1) / 2.0;
cqout = (outlq - 1) / 2.0;
// Perform autocenter if any is found
double angle = 0.0;
double skew = 0.0;
TAffine pre_aff;
image->getRaster()->lock();
bool autocentered =
doAutocenter(
angle, skew,
cxin, cyin, cqout, cpout,
dpi.x, dpi.y,
raster_is_savebox, saveBox,
image, scalex);
image->getRaster()->unlock();
// Build the image transform as deduced by the autocenter
if (m_parameters->m_autocenterType == AUTOCENTER_CTR && skew) {
pre_aff.a11 = cos(skew * TConsts::pi_180);
pre_aff.a21 = sin(skew * TConsts::pi_180);
}
aff = (TScale(scalex, scaley) * pre_aff) * TRotation(angle);
aff = aff.place(cxin, cyin, cpout, cqout);
// Apply eventual additional user-defined transforms
TPointD pout = TPointD((outlp - 1) / 2.0, (outlq - 1) / 2.0);
if (m_parameters->m_rotate != 0)
aff = TRotation(-(double)m_parameters->m_rotate).place(pout, pout) * aff;
if (m_parameters->m_flipx || m_parameters->m_flipy)
aff = TScale(m_parameters->m_flipx ? -1 : 1, m_parameters->m_flipy ? -1 : 1).place(pout, pout) * aff;
if (!isCameraTest)
aff = TTranslation(m_parameters->m_offx * outDpi.x / 2, m_parameters->m_offy * outDpi.y / 2) * aff;
max_blur = 20.0 * sqrt(fabs(scalex /*** * oversample_factor ***/));
blur = pow(max_blur, (100 - m_parameters->m_sharpness) / (100 - 1));
return autocentered;
}
