1 files changed, 61 insertions, 0 deletions
diff --git a/svg-flatten/src/svg_import_util.h b/svg-flatten/src/svg_import_util.h
new file mode 100644
index 0000000..a6cd2d6
--- /dev/null
+++ b/svg-flatten/src/svg_import_util.h
@@ -0,0 +1,61 @@
+/*
+ * This file is part of gerbolyze, a vector image preprocessing toolchain 
+ * Copyright (C) 2021 Jan Sebastian Götte <gerbolyze@jaseg.de>
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <math.h>
+#include <cmath>
+#include <stdlib.h>
+#include <assert.h>
+#include <limits>
+#include <vector>
+#include <string>
+#include <iostream>
+#include <sstream>
+#include <regex>
+
+#include <pango/pangocairo.h>
+#include <cairo-svg.h>
+
+#include <clipper.hpp>
+#include "cairo_clipper.hpp"
+
+#include <pugixml.hpp>
+
+#include "svg_import_defs.h"
+
+namespace gerbolyze {
+
+/* Coordinate system selection for things like "patternContentUnits" */
+enum RelativeUnits {
+    SVG_UnknownUnits = 0,
+    SVG_UserSpaceOnUse,
+    SVG_ObjectBoundingBox,
+};
+
+void print_matrix(cairo_t *cr, bool print_examples=false);
+double usvg_double_attr(const pugi::xml_node &node, const char *attr, double default_value=0.0);
+std::string usvg_id_url(std::string attr);
+RelativeUnits map_str_to_units(std::string str, RelativeUnits default_val=SVG_UnknownUnits);
+void load_cairo_matrix_from_svg(const std::string &transform, cairo_matrix_t &mat);
+void apply_cairo_transform_from_svg(cairo_t *cr, const std::string &transform);
+std::string parse_data_iri(const std::string &data_url);
+void apply_viewport_matrix(cairo_t *cr, cairo_matrix_t &viewport_matrix);
+
+} /* namespace gerbolyze */
+