ImageInput * ImageInput::open (const std::string &filename, const ImageSpec *config) { if (config == NULL) { // Without config, this is really just a call to create-with-open. return ImageInput::create (filename, true, std::string()); } // With config, create without open, then try to open with config. ImageInput *in = ImageInput::create (filename, false, std::string()); if (! in) return NULL; // create() failed ImageSpec newspec; if (in->open (filename, newspec, *config)) return in; // creted fine, opened fine, return it // The open failed. Transfer the error from 'in' to the global OIIO // error, delete the ImageInput we allocated, and return NULL. std::string err = in->geterror(); if (err.size()) pvt::error ("%s", err.c_str()); delete in; return NULL; }
ImageInput * ImageInput::create (const std::string &filename, bool do_open, const std::string &plugin_searchpath) { if (filename.empty()) { // Can't even guess if no filename given pvt::error ("ImageInput::create() called with no filename"); return NULL; } // Extract the file extension from the filename (without the leading dot) std::string format = Filesystem::extension (filename, false); if (format.empty()) { // If the file had no extension, maybe it was itself the format name format = filename; } ImageInput::Creator create_function = NULL; { // scope the lock: recursive_lock_guard lock (imageio_mutex); // Ensure thread safety // See if it's already in the table. If not, scan all plugins we can // find to populate the table. Strutil::to_lower (format); InputPluginMap::const_iterator found = input_formats.find (format); if (found == input_formats.end()) { catalog_all_plugins (plugin_searchpath.size() ? plugin_searchpath : pvt::plugin_searchpath.string()); found = input_formats.find (format); } if (found != input_formats.end()) create_function = found->second; } // Remember which prototypes we've already tried, so we don't double dip. std::vector<ImageInput::Creator> formats_tried; std::string specific_error; if (create_function) { if (filename != format) { // If given a full filename, double-check that our guess // based on the extension actually works. You never know // when somebody will have an incorrectly-named file, let's // deal with it robustly. formats_tried.push_back (create_function); ImageInput *in = (ImageInput *)create_function(); if (! do_open && in && in->valid_file(filename)) { // Special case: we don't need to return the file // already opened, and this ImageInput says that the // file is the right type. return in; } ImageSpec tmpspec; bool ok = in && in->open (filename, tmpspec); if (ok) { // It worked if (! do_open) in->close (); return in; } else { // Oops, it failed. Apparently, this file can't be // opened with this II. Clear create_function to force // the code below to check every plugin we know. create_function = NULL; if (in) specific_error = in->geterror(); } delete in; } } if (! create_function) { // If a plugin can't be found that was explicitly designated for // this extension, then just try every one we find and see if // any will open the file. Pass it a configuration request that // includes a "nowait" option so that it returns immediately if // it's a plugin that might wait for an event, like a socket that // doesn't yet exist). ImageSpec config; config.attribute ("nowait", (int)1); recursive_lock_guard lock (imageio_mutex); // Ensure thread safety for (InputPluginMap::const_iterator plugin = input_formats.begin(); plugin != input_formats.end(); ++plugin) { // If we already tried this create function, don't do it again if (std::find (formats_tried.begin(), formats_tried.end(), plugin->second) != formats_tried.end()) continue; formats_tried.push_back (plugin->second); // remember ImageSpec tmpspec; ImageInput *in = NULL; try { in = plugin->second(); } catch (...) { // Safety in case the ctr throws an exception } if (! in) continue; if (! do_open && ! in->valid_file(filename)) { // Since we didn't need to open it, we just checked whether // it was a valid file, and it's not. Try the next one. delete in; continue; } // We either need to open it, or we already know it appears // to be a file of the right type. bool ok = in->open(filename, tmpspec, config); if (ok) { if (! do_open) in->close (); return in; } delete in; } } if (create_function == NULL) { recursive_lock_guard lock (imageio_mutex); // Ensure thread safety if (input_formats.empty()) { // This error is so fundamental, we echo it to stderr in // case the app is too dumb to do so. const char *msg = "ImageInput::create() could not find any ImageInput plugins!\n" " Perhaps you need to set OIIO_LIBRARY_PATH.\n"; fprintf (stderr, "%s", msg); pvt::error ("%s", msg); } else if (! specific_error.empty()) { // Pass along any specific error message we got from our // best guess of the format. pvt::error ("%s", specific_error); } else if (Filesystem::exists (filename)) pvt::error ("OpenImageIO could not find a format reader for \"%s\". " "Is it a file format that OpenImageIO doesn't know about?\n", filename.c_str()); else pvt::error ("Image \"%s\" does not exist. Also, it is not the name of an image format that OpenImageIO recognizes.\n", filename.c_str()); return NULL; } return (ImageInput *) create_function(); }
static bool convert_file (const std::string &in_filename, const std::string &out_filename) { if (noclobber && Filesystem::exists(out_filename)) { std::cerr << "iconvert ERROR: Output file already exists \"" << out_filename << "\"\n"; return false; } if (verbose) std::cout << "Converting " << in_filename << " to " << out_filename << "\n"; std::string tempname = out_filename; if (tempname == in_filename) { tempname = out_filename + ".tmp" + Filesystem::extension (out_filename); } // Find an ImageIO plugin that can open the input file, and open it. ImageInput *in = ImageInput::open (in_filename.c_str()); if (! in) { std::string err = geterror(); std::cerr << "iconvert ERROR: " << (err.length() ? err : Strutil::format("Could not open \"%s\"", in_filename)) << "\n"; delete in; return false; } ImageSpec inspec = in->spec(); std::string metadatatime = inspec.get_string_attribute ("DateTime"); // Find an ImageIO plugin that can open the output file, and open it ImageOutput *out = ImageOutput::create (tempname.c_str()); if (! out) { std::cerr << "iconvert ERROR: Could not find an ImageIO plugin to write \"" << out_filename << "\" :" << geterror() << "\n"; delete in; return false; } // In order to deal with formats that support subimages, but not // subimage appending, we gather them all first. std::vector<ImageSpec> subimagespecs; if (out->supports("multiimage") && !out->supports("appendsubimage")) { ImageCache *imagecache = ImageCache::create (); int nsubimages = 0; ustring ufilename (in_filename); imagecache->get_image_info (ufilename, 0, 0, ustring("subimages"), TypeDesc::TypeInt, &nsubimages); if (nsubimages > 1) { subimagespecs.resize (nsubimages); for (int i = 0; i < nsubimages; ++i) { ImageSpec inspec = *imagecache->imagespec (ufilename, i, 0, true /*native*/); subimagespecs[i] = inspec; adjust_spec (in, out, inspec, subimagespecs[i]); } } ImageCache::destroy (imagecache); } bool ok = true; bool mip_to_subimage_warning = false; for (int subimage = 0; ok && in->seek_subimage(subimage,0,inspec); ++subimage) { if (subimage > 0 && !out->supports ("multiimage")) { std::cerr << "iconvert WARNING: " << out->format_name() << " does not support multiple subimages.\n"; std::cerr << "\tOnly the first subimage has been copied.\n"; break; // we're done } int miplevel = 0; do { // Copy the spec, with possible change in format ImageSpec outspec = inspec; bool nocopy = adjust_spec (in, out, inspec, outspec); if (miplevel > 0) { // Moving to next MIP level ImageOutput::OpenMode mode; if (out->supports ("mipmap")) mode = ImageOutput::AppendMIPLevel; else if (out->supports ("multiimage") && out->supports ("appendsubimage")) { mode = ImageOutput::AppendSubimage; // use if we must if (! mip_to_subimage_warning && strcmp(out->format_name(),"tiff")) { std::cerr << "iconvert WARNING: " << out->format_name() << " does not support MIPmaps.\n"; std::cerr << "\tStoring the MIPmap levels in subimages.\n"; } mip_to_subimage_warning = true; } else { std::cerr << "iconvert WARNING: " << out->format_name() << " does not support MIPmaps.\n"; std::cerr << "\tOnly the first level has been copied.\n"; break; // on to the next subimage } ok = out->open (tempname.c_str(), outspec, mode); } else if (subimage > 0) { // Moving to next subimage ok = out->open (tempname.c_str(), outspec, ImageOutput::AppendSubimage); } else { // First time opening if (subimagespecs.size()) ok = out->open (tempname.c_str(), int(subimagespecs.size()), &subimagespecs[0]); else ok = out->open (tempname.c_str(), outspec, ImageOutput::Create); } if (! ok) { std::string err = out->geterror(); std::cerr << "iconvert ERROR: " << (err.length() ? err : Strutil::format("Could not open \"%s\"", out_filename)) << "\n"; ok = false; break; } if (! nocopy) { ok = out->copy_image (in); if (! ok) std::cerr << "iconvert ERROR copying \"" << in_filename << "\" to \"" << out_filename << "\" :\n\t" << out->geterror() << "\n"; } else { // Need to do it by hand for some reason. Future expansion in which // only a subset of channels are copied, or some such. std::vector<char> pixels ((size_t)outspec.image_bytes(true)); ok = in->read_image (outspec.format, &pixels[0]); if (! ok) { std::cerr << "iconvert ERROR reading \"" << in_filename << "\" : " << in->geterror() << "\n"; } else { ok = out->write_image (outspec.format, &pixels[0]); if (! ok) std::cerr << "iconvert ERROR writing \"" << out_filename << "\" : " << out->geterror() << "\n"; } } ++miplevel; } while (ok && in->seek_subimage(subimage,miplevel,inspec)); } out->close (); delete out; in->close (); delete in; // Figure out a time for the input file -- either one supplied by // the metadata, or the actual time stamp of the input file. std::time_t in_time; if (metadatatime.empty() || ! DateTime_to_time_t (metadatatime.c_str(), in_time)) in_time = Filesystem::last_write_time (in_filename); if (out_filename != tempname) { if (ok) { Filesystem::remove (out_filename); Filesystem::rename (tempname, out_filename); } else Filesystem::remove (tempname); } // If user requested, try to adjust the file's modification time to // the creation time indicated by the file's DateTime metadata. if (ok && adjust_time) Filesystem::last_write_time (out_filename, in_time); return ok; }
struct ImBuf *imb_load_photoshop(const char *filename, int flags, char colorspace[IM_MAX_SPACE]) { ImageInput *in = NULL; struct ImBuf *ibuf = NULL; int width, height, components; bool is_float, is_alpha; TypeDesc typedesc; int basesize; char file_colorspace[IM_MAX_SPACE]; /* load image from file through OIIO */ if (imb_is_a_photoshop(filename) == 0) return (NULL); colorspace_set_default_role(colorspace, IM_MAX_SPACE, COLOR_ROLE_DEFAULT_BYTE); in = ImageInput::create(filename); if (!in) { std::cerr << __func__ << ": ImageInput::create() failed:" << std::endl << OpenImageIO::geterror() << std::endl; return NULL; } ImageSpec spec, config; config.attribute("oiio:UnassociatedAlpha", (int) 1); if (!in->open(filename, spec, config)) { std::cerr << __func__ << ": ImageInput::open() failed:" << std::endl << in->geterror() << std::endl; delete in; return NULL; } string ics = spec.get_string_attribute("oiio:ColorSpace"); BLI_strncpy(file_colorspace, ics.c_str(), IM_MAX_SPACE); /* only use colorspaces exis */ if (colormanage_colorspace_get_named(file_colorspace)) strcpy(colorspace, file_colorspace); else std::cerr << __func__ << ": The embed colorspace (\"" << file_colorspace << "\") not supported in existent OCIO configuration file. Fallback " << "to system default colorspace (\"" << colorspace << "\")." << std::endl; width = spec.width; height = spec.height; components = spec.nchannels; is_alpha = spec.alpha_channel != -1; basesize = spec.format.basesize(); is_float = basesize > 1; /* we only handle certain number of components */ if (!(components >= 1 && components <= 4)) { if (in) { in->close(); delete in; } return NULL; } if (is_float) ibuf = imb_oiio_load_image_float(in, width, height, components, flags, is_alpha); else ibuf = imb_oiio_load_image(in, width, height, components, flags, is_alpha); if (in) { in->close(); delete in; } if (!ibuf) return NULL; /* ImBuf always needs 4 channels */ ibuf->ftype = IMB_FTYPE_PSD; ibuf->channels = 4; ibuf->planes = (3 + (is_alpha ? 1 : 0)) * 4 << basesize; try { return ibuf; } catch (const std::exception &exc) { std::cerr << exc.what() << std::endl; if (ibuf) IMB_freeImBuf(ibuf); return NULL; } }
bool OiioTool::print_info (const std::string &filename, const print_info_options &opt, long long &totalsize, std::string &error) { error.clear(); ImageInput *input = ImageInput::create (filename.c_str(), "" /* searchpath */); if (! input) { error = geterror(); if (error.empty()) error = Strutil::format ("Could not open \"%s\"", filename.c_str()); return false; } ImageSpec spec; if (! input->open (filename.c_str(), spec)) { error = input->geterror(); if (error.empty()) error = Strutil::format ("Could not open \"%s\"", filename.c_str()); delete input; return false; } boost::regex field_re; if (! opt.metamatch.empty()) field_re.assign (opt.metamatch, boost::regex::extended | boost::regex_constants::icase); bool printed = false; int padlen = std::max (0, (int)opt.namefieldlength - (int)filename.length()); std::string padding (padlen, ' '); // checking how many subimages and mipmap levels are stored in the file int num_of_subimages = 1; bool any_mipmapping = false; std::vector<int> num_of_miplevels; { int nmip = 1; while (input->seek_subimage (input->current_subimage(), nmip, spec)) { ++nmip; any_mipmapping = true; } num_of_miplevels.push_back (nmip); } while (input->seek_subimage (num_of_subimages, 0, spec)) { // maybe we should do this more gently? ++num_of_subimages; int nmip = 1; while (input->seek_subimage (input->current_subimage(), nmip, spec)) { ++nmip; any_mipmapping = true; } num_of_miplevels.push_back (nmip); } input->seek_subimage (0, 0, spec); // re-seek to the first if (opt.metamatch.empty() || boost::regex_search ("resolution, width, height, depth, channels", field_re)) { printf ("%s%s : %4d x %4d", filename.c_str(), padding.c_str(), spec.width, spec.height); if (spec.depth > 1) printf (" x %4d", spec.depth); printf (", %d channel, ", spec.nchannels); if (spec.channelformats.size()) { for (size_t c = 0; c < spec.channelformats.size(); ++c) printf ("%s%s", c ? "/" : "", spec.channelformats[c].c_str()); } else { printf ("%s", spec.format.c_str()); } if (spec.depth > 1) printf (" volume"); printf (" %s", input->format_name()); if (opt.sum) { imagesize_t imagebytes = spec.image_bytes (true); totalsize += imagebytes; printf (" (%.2f MB)", (float)imagebytes / (1024.0*1024.0)); } // we print info about how many subimages are stored in file // only when we have more then one subimage if ( ! opt.verbose && num_of_subimages != 1) printf (" (%d subimages%s)", num_of_subimages, any_mipmapping ? " +mipmap)" : ""); if (! opt.verbose && num_of_subimages == 1 && any_mipmapping) printf (" (+mipmap)"); printf ("\n"); printed = true; } if (opt.verbose && num_of_subimages != 1) { // info about num of subimages and their resolutions printf (" %d subimages: ", num_of_subimages); for (int i = 0; i < num_of_subimages; ++i) { input->seek_subimage (i, 0, spec); if (spec.depth > 1) printf ("%dx%dx%d ", spec.width, spec.height, spec.depth); else printf ("%dx%d ", spec.width, spec.height); } printf ("\n"); } // if the '-a' flag is not set we print info // about first subimage only if ( ! opt.subimages) num_of_subimages = 1; for (int i = 0; i < num_of_subimages; ++i) { print_info_subimage (i, num_of_subimages, spec, input, filename, opt, field_re); } input->close (); delete input; return true; }