Reorg: move svg-flatten files into subdir

1 files changed, 0 insertions, 123 deletions

diff --git a/src/svg_import_util.cpp b/src/svg_import_util.cpp
deleted file mode 100644
index efa7701..0000000
--- a/src/svg_import_util.cpp
+++ /dev/null
@@ -1,123 +0,0 @@
-/*
- * 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/>.
- */
-
-#include <cmath>
-#include "base64.h"
-#include "svg_import_util.h"
-
-using namespace std;
-
-void gerbolyze::print_matrix(cairo_t *cr, bool print_examples) {
-    cairo_matrix_t mat;
-    cairo_get_matrix(cr, &mat);
-    cerr << "    xform matrix = { xx=" << mat.xx << ", yx=" << mat.yx << ", xy=" << mat.xy << ", yy=" << mat.yy << ", x0=" << mat.x0 << ", y0=" << mat.y0 << " }" << endl;
-    if (print_examples) {
-        double x=0, y=0;
-        cairo_user_to_device(cr, &x, &y);
-        cerr << "        (0, 0) -> (" << x << ", " << y << ")" << endl;
-        x = 1, y = 0;
-        cairo_user_to_device(cr, &x, &y);
-        cerr << "        (1, 0) -> (" << x << ", " << y << ")" << endl;
-        x = 0, y = 1;
-        cairo_user_to_device(cr, &x, &y);
-        cerr << "        (0, 1) -> (" << x << ", " << y << ")" << endl;
-        x = 1, y = 1;
-        cairo_user_to_device(cr, &x, &y);
-        cerr << "        (1, 1) -> (" << x << ", " << y << ")" << endl;
-    }
-}
-
-/* Read a double value formatted like usvg formats doubles from an SVG attribute */
-double gerbolyze::usvg_double_attr(const pugi::xml_node &node, const char *attr, double default_value) {
-    const auto *val = node.attribute(attr).value();
-    if (*val == '\0')
-        return default_value;
-
-    return atof(val);
-}
-
-/* Read an url from an usvg attribute */
-string gerbolyze::usvg_id_url(string attr) {
-    if (attr.rfind("url(#", 0) == string::npos)
-        return string();
-
-    attr = attr.substr(strlen("url(#"));
-    attr = attr.substr(0, attr.size()-1);
-    return attr;
-}
-
-gerbolyze::RelativeUnits gerbolyze::map_str_to_units(string str, gerbolyze::RelativeUnits default_val) {
-    if (str == "objectBoundingBox")
-        return SVG_ObjectBoundingBox;
-    else if (str == "userSpaceOnUse")
-        return SVG_UserSpaceOnUse;
-    return default_val;
-}
-
-void gerbolyze::load_cairo_matrix_from_svg(const string &transform, cairo_matrix_t &mat) {
-    if (transform.empty()) {
-        cairo_matrix_init_identity(&mat);
-        return;
-    }
-
-    string start("matrix(");
-    assert(transform.substr(0, start.length()) == start);
-    assert(transform.back() == ')');
-    const string &foo = transform.substr(start.length(), transform.length());
-    const string &bar = foo.substr(0, foo.length() - 1);
-
-    istringstream xform(bar);
-
-    double a, c, e,
-           b, d, f;
-    xform >> a >> b >> c >> d >> e >> f;
-    assert(!xform.fail());
-
-    cairo_matrix_init(&mat, a, b, c, d, e, f);
-}
-
-void gerbolyze::apply_cairo_transform_from_svg(cairo_t *cr, const string &transform) {
-    cairo_matrix_t mat;
-    load_cairo_matrix_from_svg(transform, mat);
-    cairo_transform(cr, &mat); /* or cairo_transform? */
-}
-
-/* Cf. https://tools.ietf.org/html/rfc2397 */
-string gerbolyze::parse_data_iri(const string &data_url) {
-    if (data_url.rfind("data:", 0) == string::npos) /* check if url starts with "data:" */
-        return string();
-
-    size_t foo = data_url.find("base64,");
-    if (foo == string::npos) /* check if this is actually a data URL */
-        return string();
-
-    size_t b64_begin = data_url.find_first_not_of(" ", foo + strlen("base64,"));
-    assert(b64_begin != string::npos);
-
-    return base64_decode(data_url.substr(b64_begin));
-}
-
-/* for debug svg output */
-void gerbolyze::apply_viewport_matrix(cairo_t *cr, cairo_matrix_t &viewport_matrix) {
-    /* Multiply viewport matrix *from the left*, i.e. as if it had been applied *before* the currently set matrix. */
-    cairo_matrix_t old_matrix;
-    cairo_get_matrix(cr, &old_matrix);
-    cairo_set_matrix(cr, &viewport_matrix);
-    cairo_transform(cr, &old_matrix);
-}
-