+void InsetGraphics::outBoundingBox(graphics::BoundingBox & bbox) const
+{
+ if (bbox.empty())
+ return;
+
+ FileName const file(params().filename.absFileName());
+
+ // No correction is necessary for a postscript image
+ bool const zipped = theFormats().isZippedFile(file);
+ FileName const unzipped_file = zipped ? unzipFile(file) : file;
+ string const format = theFormats().getFormatFromFile(unzipped_file);
+ if (zipped)
+ unzipped_file.removeFile();
+ if (Formats::isPostScriptFileFormat(format))
+ return;
+
+ // Get the actual image dimensions in pixels
+ int width = 0;
+ int height = 0;
+ graphics::Cache & gc = graphics::Cache::get();
+ if (gc.inCache(file)) {
+ graphics::Image const * image = gc.item(file)->image();
+ if (image) {
+ width = image->width();
+ height = image->height();
+ }
+ }
+ if (width == 0 || height == 0)
+ return;
+
+ // Use extractbb to find the dimensions in the typeset output
+ QProcess extractbb;
+ extractbb.start("extractbb", QStringList() << "-O" << toqstr(file.absFileName()));
+ if (!extractbb.waitForStarted() || !extractbb.waitForFinished()) {
+ LYXERR0("Cannot read output bounding box of " << file);
+ return;
+ }
+
+ string const result = extractbb.readAll().constData();
+ size_t i = result.find("%%BoundingBox:");
+ if (i == string::npos) {
+ LYXERR0("Cannot find output bounding box of " << file);
+ return;
+ }
+
+ string const bb = result.substr(i);
+ int out_width = convert<int>(token(bb, ' ', 3));
+ int out_height = convert<int>(token(bb, ' ', 4));
+
+ // Compute the scaling ratio and correct the bounding box
+ double scalex = out_width / double(width);
+ double scaley = out_height / double(height);
+
+ bbox.xl.value(scalex * bbox.xl.value());
+ bbox.xr.value(scalex * bbox.xr.value());
+ bbox.yb.value(scaley * bbox.yb.value());
+ bbox.yt.value(scaley * bbox.yt.value());
+}
+
+