void getHooks(std::vector<HookData> &hooks, TXsheet *xsh, int row, int col, TPointD dpiScale)
{
// nota. hook position is in the coordinate system of the parent object.
// a inch is Stage::inch
TXshCell cell = xsh->getCell(row, col);
if (!cell.m_level)
return;
TStageObjectId columnId = TStageObjectId::ColumnId(col);
// handle is the current handle (pivot) of the column. It can be H1,H2,... or A,B,C,...
std::string handle = xsh->getStageObject(TStageObjectId::ColumnId(col))->getHandle();
bool handleIsHook = handle.find("H") == 0;
TAffine aff = xsh->getPlacement(columnId, row);
// imageDpiAff represent the scale factor between the image and the camera
// derived by dpi match (i.e. ignoring geometric transformation)
// cameraPos = imageDpiAff * imagePos
TAffine imageDpiAff;
if (cell.m_level->getSimpleLevel())
imageDpiAff = getDpiAffine(cell.m_level->getSimpleLevel(), cell.m_frameId, true);
// center (inches)
TPointD center = xsh->getCenter(columnId, row); // getHooks
if (handleIsHook)
center = TPointD(0, 0);
// add the hook #0 (i.e. the regular center)
hooks.push_back(HookData(xsh, col, 0, aff * TScale(Stage::inch) * center));
// add the regular hooks
HookSet *hookSet = cell.m_level->getHookSet();
if (hookSet && hookSet->getHookCount() > 0) {
for (int j = 0; j < hookSet->getHookCount(); j++) {
Hook *hook = hookSet->getHook(j);
if (hook && !hook->isEmpty()) {
TPointD pos = hook->getAPos(cell.m_frameId);
pos = aff * imageDpiAff * pos;
hooks.push_back(HookData(xsh, col, j + 1, pos));
}
}
}
}
TPointD XshHandleManager::getHandlePos(const TStageObjectId &id,
const std::string &handle,
int row) const {
static const double unit = 8.0;
assert(m_xsh->getScene());
if (handle == "")
return TPointD();
else if (handle[0] == 'H' && handle.length() > 1) {
// Hook port case
if (!id.isColumn()) return TPointD();
int hookIndex = 0;
{
int h, hLength = handle.length();
for (h = 1; h != hLength; ++h)
hookIndex = hookIndex * 10 + (handle[h] - '0');
}
TStageObject *obj = m_xsh->getStageObject(id);
if (const PlasticSkeletonDeformationP &def =
obj->getPlasticSkeletonDeformation()) {
int skelId = def->skeletonId(row);
PlasticSkeleton skel;
def->storeDeformedSkeleton(skelId, row, skel);
int v = def->vertexIndex(hookIndex, skelId);
return (v >= 0) ? TScale(1.0 / Stage::inch) * skel.vertex(v).P()
: TPointD();
}
--hookIndex;
int col = id.getIndex();
TXshCell cell(m_xsh->getCell(row, col));
TXshLevel *xl = cell.m_level.getPointer();
if (!xl) return TPointD();
TXshSimpleLevel *sl = xl->getSimpleLevel();
if (!sl) return TPointD();
Hook *hook = sl->getHookSet()->getHook(hookIndex);
if (!hook) return TPointD();
TFrameId fid(cell.m_frameId);
TPointD pos = hook->getAPos(fid) * (1.0 / Stage::inch);
TPointD delta;
for (int r = row - 1; r >= 0; --r) {
cell = m_xsh->getCell(r, col);
if (cell.m_level.getPointer() != xl) break;
const TFrameId &precFid = cell.m_frameId;
delta += computePassHook(fid, precFid, sl, hook);
fid = precFid;
}
pos += delta * (1.0 / Stage::inch);
pos = getDpiAffine(sl, cell.m_frameId, true) * pos;
return pos;
} else if ('A' <= handle[0] && handle[0] <= 'Z')
return TPointD(unit * (handle[0] - 'B'), 0);
else if ('a' <= handle[0] && handle[0] <= 'z')
return TPointD(0.5 * unit * (handle[0] - 'b'), 0);
else
return TPointD();
}