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-rw-r--r--src/io/file-export-cmd.cpp231
1 files changed, 118 insertions, 113 deletions
diff --git a/src/io/file-export-cmd.cpp b/src/io/file-export-cmd.cpp
index 6528c7bfe..f9ee8e4a0 100644
--- a/src/io/file-export-cmd.cpp
+++ b/src/io/file-export-cmd.cpp
@@ -341,124 +341,146 @@ InkFileExportCmd::do_export_png(SPDocument *doc, std::string filename_in)
objects.push_back(Glib::ustring()); // So we do loop at least once for root.
}
- for (auto object : objects) {
+ for (auto object_id : objects) {
- std::string filename_out = get_filename_out(filename_in, object);
+ std::string filename_out = get_filename_out(filename_in, object_id);
std::vector<SPItem*> items;
- // Find export area.
- Geom::Rect area;
- if (!object.empty() || export_area_drawing) {
-
- SPObject *o = nullptr;
- SPObject *o_area = nullptr;
- if (!object.empty() && export_area_drawing) {
- o = doc->getObjectById(object);
- o_area = doc->getRoot();
- } else if (!object.empty()) {
- o = doc->getObjectById(object);
- o_area = o;
- } else if (export_area_drawing) {
- o = doc->getRoot();
- o_area = o;
- }
+ // Find export object. (Either root or object with specified id.)
+ SPObject *object = doc->getRoot();
+ if (!object_id.empty()) {
+ object = doc->getObjectById(object_id);
+ }
- if (o) {
- if (!SP_IS_ITEM (o)) {
- std::cerr << "InkFileExportCmd::do_export_png: "
- << "Object with id=\"" << object
- << "\" is not a visible item. Skipping." << std::endl;
- continue;
- }
+ if (!object) {
+ std::cerr << "InkFileExport::do_export_png: "
+ << "Object with id=\"" << object
+ << "\" was not found in the document. Skipping." << std::endl;
+ continue;
+ }
- items.push_back(SP_ITEM(o));
+ if (!SP_IS_ITEM (object)) {
+ std::cerr << "InkFileExportCmd::do_export_png: "
+ << "Object with id=\"" << object_id
+ << "\" is not a visible item. Skipping." << std::endl;
+ continue;
+ }
- if (export_id_only) {
- std::cerr << "Exporting only object with id=\""
- << object << "\"; all other objects hidden." << std::endl;
- }
+ items.push_back(SP_ITEM(object)); // There is only one item, why do this?
- if (export_use_hints) {
-
- // Retrieve export filename hint.
- const gchar *fn_hint = o->getRepr()->attribute("inkscape:export-filename");
- if (fn_hint) {
- filename_out = fn_hint;
- filename_from_hint = true;
- } else {
- std::cerr << "InkFileExport::do_export_png: "
- << "Export filename hint not found for object " << object << ". Skipping." << std::endl;
- continue;
- }
-
- // Retrieve export dpi hint. Only xdpi as ydpi is always the same now.
- const gchar *dpi_hint = o->getRepr()->attribute("inkscape:export-xdpi");
- if (dpi_hint) {
- if (export_dpi || export_width || export_height) {
- std::cerr << "InkFileExport::do_export_png: "
- << "Using bitmap dimensions from the command line "
- << "(--export-dpi, --export-width, or --export-height). "
- << "DPI hint " << dpi_hint << " is ignored." << std::endl;
- } else {
- dpi = atof(dpi_hint);
- }
- } else {
- std::cerr << "InkFileExport::do_export_png: "
- << "Export DPI hint not found for the object." << std::endl;
- }
- }
+ if (export_id_only) {
+ std::cerr << "Exporting only object with id=\""
+ << object_id << "\"; all other objects hidden." << std::endl;
+ }
- // Write object bbox to area.
- doc->ensureUpToDate();
- Geom::OptRect areaMaybe = static_cast<SPItem *>(o_area)->desktopVisualBounds();
- if (areaMaybe) {
- area = *areaMaybe;
- } else {
+ // Find file name and dpi from hints.
+ if (export_use_hints) {
+
+ // Retrieve export filename hint.
+ const gchar *fn_hint = object->getRepr()->attribute("inkscape:export-filename");
+ if (fn_hint) {
+ filename_out = fn_hint;
+ filename_from_hint = true;
+ } else {
+ std::cerr << "InkFileExport::do_export_png: "
+ << "Export filename hint not found for object " << object_id << ". Skipping." << std::endl;
+ continue;
+ }
+
+ // Retrieve export dpi hint. Only xdpi as ydpi is always the same now.
+ const gchar *dpi_hint = object->getRepr()->attribute("inkscape:export-xdpi");
+ if (dpi_hint) {
+ if (export_dpi || export_width || export_height) {
std::cerr << "InkFileExport::do_export_png: "
- << "Unable to determine a valid bounding box. Skipping." << std::endl;
- continue;
+ << "Using bitmap dimensions from the command line "
+ << "(--export-dpi, --export-width, or --export-height). "
+ << "DPI hint " << dpi_hint << " is ignored." << std::endl;
+ } else {
+ dpi = atof(dpi_hint);
}
} else {
std::cerr << "InkFileExport::do_export_png: "
- << "Object with id=\"" << object
- << "\" was not found in the document. Skipping." << std::endl;
+ << "Export DPI hint not found for the object." << std::endl;
+ }
+ }
+
+ // ------------------------- File name -------------------------
+
+ // Check we have a filename.
+ if (filename_out.empty()) {
+ std::cerr << "InkFileExport::do_export_png: "
+ << "No valid export filename given and no filename hint. Skipping." << std::endl;
+ continue;
+ }
+
+ if (filename_from_hint) {
+ //Make relative paths go from the document location, if possible:
+ if (!Glib::path_is_absolute(filename_out) && doc->getURI()) {
+ std::string dirname = Glib::path_get_dirname(doc->getURI());
+ if (!dirname.empty()) {
+ filename_out = Glib::build_filename(dirname, filename_out);
+ }
+ }
+ }
+
+ // Check if directory exists
+ std::string directory = Glib::path_get_dirname(filename_out);
+ if (!Glib::file_test(directory, Glib::FILE_TEST_IS_DIR)) {
+ std::cerr << "File path " << filename_out << " includes directory that doesn't exist. Skipping." << std::endl;
+ continue;
+ }
+
+ // -------------------------- DPI -------------------------------
+
+ if (export_dpi != 0.0 && dpi == 0.0) {
+ dpi = export_dpi;
+ if ((dpi < 0.1) || (dpi > 10000.0)) {
+ std::cerr << "InkFileExport::do_export_png: "
+ << "DPI value " << export_dpi
+ << " out of range [0.1 - 10000.0]. Skipping.";
continue;
}
}
+ // default dpi
+ if (dpi == 0.0) {
+ dpi = Inkscape::Util::Quantity::convert(1, "in", "px");
+ }
+
+ // ------------------------- Area -------------------------------
+
+ Geom::Rect area;
+ doc->ensureUpToDate();
+
+ // Three choices: 1. Command-line export_area 2. Page area 3. Drawing area
if (!export_area.empty()) {
+ // Export area command-line
+
/* Try to parse area (given in SVG pixels) */
gdouble x0,y0,x1,y1;
if (sscanf(export_area.c_str(), "%lg:%lg:%lg:%lg", &x0, &y0, &x1, &y1) != 4) {
g_warning("Cannot parse export area '%s'; use 'x0:y0:x1:y1'. Nothing exported.", export_area.c_str());
- return 1;
+ return 1; // If it fails once, it will fail for all objects.
}
area = Geom::Rect(Geom::Interval(x0,x1), Geom::Interval(y0,y1));
- } else if (export_area_page || !(!object.empty() || export_area_drawing)) {
+ } else if (export_area_page || (!export_area_drawing && object_id.empty())) {
- /* Export the whole page: note: Inkscape uses 'page' in all menus and dialogs, not 'canvas' */
- doc->ensureUpToDate();
+ // Export area page (explicit or if no object is given).
Geom::Point origin(doc->getRoot()->x.computed, doc->getRoot()->y.computed);
area = Geom::Rect(origin, origin + doc->getDimensions());
- }
- // End finding area.
- // Check we have a filename.
- if (filename_out.empty()) {
- std::cerr << "InkFileExport::do_export_png: "
- << "No valid export filename given and no filename hint. Skipping." << std::endl;
- continue;
- }
+ } else {
- if (export_dpi != 0.0 && dpi == 0.0) {
- dpi = export_dpi;
- if ((dpi < 0.1) || (dpi > 10000.0)) {
+ // Export area drawing (explicit or if object is given).
+ Geom::OptRect areaMaybe = static_cast<SPItem *>(object)->desktopVisualBounds();
+ if (areaMaybe) {
+ area = *areaMaybe;
+ } else {
std::cerr << "InkFileExport::do_export_png: "
- << "DPI value " << export_dpi
- << " out of range [0.1 - 10000.0]. Skipping.";
+ << "Unable to determine a valid bounding box. Skipping." << std::endl;
continue;
}
}
@@ -466,11 +488,9 @@ InkFileExportCmd::do_export_png(SPDocument *doc, std::string filename_in)
if (export_area_snap) {
area = area.roundOutwards();
}
+ // End finding area.
- // default dpi
- if (dpi == 0.0) {
- dpi = Inkscape::Util::Quantity::convert(1, "in", "px");
- }
+ // -------------------------- Width and Height ---------------------------------
unsigned long int width = 0;
unsigned long int height = 0;
@@ -499,23 +519,13 @@ InkFileExportCmd::do_export_png(SPDocument *doc, std::string filename_in)
height = (unsigned long int) (Inkscape::Util::Quantity::convert(area.height(), "px", "in") * dpi + 0.5);
}
- if (filename_from_hint) {
- //Make relative paths go from the document location, if possible:
- if (!Glib::path_is_absolute(filename_out) && doc->getURI()) {
- std::string dirname = Glib::path_get_dirname(doc->getURI());
- if (!dirname.empty()) {
- filename_out = Glib::build_filename(dirname, filename_out);
- }
- }
- }
-
- // Check if directory exists
- std::string directory = Glib::path_get_dirname(filename_out);
- if (!Glib::file_test(directory, Glib::FILE_TEST_IS_DIR)) {
- std::cerr << "File path " << filename_out << " includes directory that doesn't exist." << std::endl;
+ if ((width < 1) || (height < 1) || (width > PNG_UINT_31_MAX) || (height > PNG_UINT_31_MAX)) {
+ std::cerr << "InkFileExport::do_export_png: Dimensions " << width << "x" << height << " are out of range (1 to " << PNG_UINT_31_MAX << ")." << std::endl;
continue;
}
+ // ---------------------- Generate the PNG -------------------------------
+
// Do we really need to print this?
std::cerr << "Background RRGGBBAA: " << std::hex << bgcolor << std::dec << std::endl;
std::cerr << "Area "
@@ -523,17 +533,12 @@ InkFileExportCmd::do_export_png(SPDocument *doc, std::string filename_in)
<< area[Geom::X][1] << ":" << area[Geom::Y][1] << " exported to "
<< width << " x " << height << " pixels (" << dpi << " dpi)" << std::endl;
- reverse(items.begin(),items.end());
+ reverse(items.begin(),items.end()); // But there was only one item!
- if ((width >= 1) && (height >= 1) && (width <= PNG_UINT_31_MAX) && (height <= PNG_UINT_31_MAX)) {
- if( sp_export_png_file(doc, filename_out.c_str(), area, width, height, dpi,
- dpi, bgcolor, nullptr, nullptr, true, export_id_only ? items : std::vector<SPItem*>()) == 1 ) {
- } else {
- std::cerr << "InkFileExport::do_export_png: Failed to export to " << filename_out << std::endl;
- continue;
- }
+ if( sp_export_png_file(doc, filename_out.c_str(), area, width, height, dpi,
+ dpi, bgcolor, nullptr, nullptr, true, export_id_only ? items : std::vector<SPItem*>()) == 1 ) {
} else {
- std::cerr << "InkFileExport::do_export_png: Dimensions " << width << "x" << height << " are out of range (1 to " << PNG_UINT_31_MAX << ")." << std::endl;
+ std::cerr << "InkFileExport::do_export_png: Failed to export to " << filename_out << std::endl;
continue;
}
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