void execute() override {
TColumnSelection *selection =
dynamic_cast<TColumnSelection *>(TSelection::getCurrent());
std::set<int> indices =
selection ? selection->getIndices() : std::set<int>();
if (indices.empty()) {
DVGui::warning(
tr("It is not possible to execute the merge column command because "
"no column was selected."));
return;
}
if (indices.size() == 1) {
DVGui::warning(
tr("It is not possible to execute the merge column command because "
"only one columns is selected."));
return;
}
mergeColumns(indices);
TApp::instance()->getCurrentXsheet()->notifyXsheetChanged();
}
static void filter(gambatte::uint_least32_t *dline,
std::ptrdiff_t const pitch,
gambatte::uint_least32_t const *sline)
{
Colorsum sums[in_pitch];
for (unsigned h = in_height; h--;) {
{
gambatte::uint_least32_t const *s = sline;
Colorsum *sum = sums;
unsigned n = in_pitch;
while (n--) {
unsigned long pixel = *s;
sum->r = pixel >> 12 & 0x000FF0 ;
pixel <<= 4;
sum->g = pixel & 0x0FF000;
sum->b = pixel & 0x000FF0;
++s;
++sum;
}
}
mergeColumns(dline, sums);
dline += pitch;
{
gambatte::uint_least32_t const *s = sline;
Colorsum *sum = sums;
unsigned n = in_pitch;
while (n--) {
unsigned long pixel = *s;
unsigned long rsum = (pixel >> 16) * 9;
unsigned long gsum = (pixel & 0x00FF00) * 9;
unsigned long bsum = (pixel & 0x0000FF) * 9;
pixel = s[-1 * in_pitch];
rsum -= pixel >> 16;
gsum -= pixel & 0x00FF00;
bsum -= pixel & 0x0000FF;
pixel = s[1 * in_pitch];
rsum += (pixel >> 16) * 9;
gsum += (pixel & 0x00FF00) * 9;
bsum += (pixel & 0x0000FF) * 9;
pixel = s[2 * in_pitch];
rsum -= pixel >> 16;
gsum -= pixel & 0x00FF00;
bsum -= pixel & 0x0000FF;
sum->r = rsum;
sum->g = gsum;
sum->b = bsum;
++s;
++sum;
}
}
mergeColumns(dline, sums);
dline += pitch;
sline += in_pitch;
}
}
