GraphicComp* ImportCmd::Import (const char* filename) {
GraphicComp* comp = nil;
const char* creator = ReadCreator(filename);
if (creator == nil || strcmp(creator, "idraw") == 0) {
Catalog* catalog = unidraw->GetCatalog();
if (catalog->Valid(filename, (Component*&) comp)) {
comp = (GraphicComp*) comp->Copy();
} else if (catalog->Retrieve(filename, (Component*&) comp)) {
catalog->Forget(comp);
}
} else {
if (strcmp(creator, "X11") == 0) {
comp = XBitmap_Image(filename);
} else if (strcmp(creator, "TIFF") == 0) {
comp = TIFF_Image(filename);
} else if (
strcmp(creator, "pgmtops") == 0 ||
strcmp(creator, "pnmtops") == 0
) {
comp = PGM_Image(filename);
} else if (strcmp(creator, "ppmtops") == 0) {
comp = PPM_Image(filename);
}
}
return comp;
}
GraphicComp* DrawImportCmd::Import (const char* pathname) {
GraphicComp* comp = nil;
const char* creator = ReadCreator(pathname);
DrawCatalog* catalog = (DrawCatalog*)unidraw->GetCatalog();
if (strcmp(creator, "drawserv") == 0) {
catalog->SetImport(true);
if (catalog->DrawCatalog::Retrieve(pathname, (Component*&) comp)) {
catalog->SetImport(false);
catalog->Forget(comp);
return comp;
}
catalog->SetImport(false);
return nil;
}
else if (strcmp(creator, "graphdraw") == 0 ||
strcmp(creator, "netdraw") == 0 ||
strcmp(creator, "graph-idraw") == 0) {
static GraphCatalog *graphcatalog = new GraphCatalog("GraphCatalog", new GraphCreator());;
graphcatalog->SetImport(true);
if (graphcatalog->Retrieve(pathname, (Component*&) comp)) {
graphcatalog->SetImport(false);
graphcatalog->Forget(comp);
if (chooser_->by_pathname()) {
return new NodeComp((GraphComp*)comp);
} else
return comp;
}
catalog->SetImport(false);
return nil;
} else
return FrameImportCmd::Import(pathname);
}
