From 2133867c8a86337c6668f9cfff06e4de9bd0bcce Mon Sep 17 00:00:00 2001 From: jaseg Date: Sat, 30 Jan 2021 20:01:00 +0100 Subject: Reorg: move svg-flatten files into subdir --- src/svg_pattern.cpp | 113 ---------------------------------------------------- 1 file changed, 113 deletions(-) delete mode 100644 src/svg_pattern.cpp (limited to 'src/svg_pattern.cpp') diff --git a/src/svg_pattern.cpp b/src/svg_pattern.cpp deleted file mode 100644 index b62df28..0000000 --- a/src/svg_pattern.cpp +++ /dev/null @@ -1,113 +0,0 @@ -/* - * This file is part of gerbolyze, a vector image preprocessing toolchain - * Copyright (C) 2021 Jan Sebastian Götte - * - * 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 . - */ - -#include -#include "svg_import_util.h" -#include "svg_pattern.h" -#include "svg_import_defs.h" -#include "svg_geom.h" -#include - -using namespace std; - -gerbolyze::Pattern::Pattern(const pugi::xml_node &node, SVGDocument &doc) : _node(node), doc(&doc) { - /* Read pattern attributes from SVG node */ - cerr << "creating pattern for node with id \"" << node.attribute("id").value() << "\"" << endl; - x = usvg_double_attr(node, "x"); - y = usvg_double_attr(node, "y"); - w = usvg_double_attr(node, "width"); - h = usvg_double_attr(node, "height"); - patternTransform = node.attribute("patternTransform").value(); - - string vb_s(node.attribute("viewBox").value()); - has_vb = !vb_s.empty(); - if (has_vb) { - istringstream vb_stream(vb_s); - vb_stream >> vb_x >> vb_y >> vb_w >> vb_h; - } - - patternUnits = map_str_to_units(node.attribute("patternUnits").value(), SVG_ObjectBoundingBox); - patternContentUnits = map_str_to_units(node.attribute("patternContentUnits").value(), SVG_UserSpaceOnUse); -} - -/* Tile pattern into gerber. Note that this function may be called several times in case the pattern is - * referenced from multiple places, so we must not clobber any of the object's state. */ -void gerbolyze::Pattern::tile (const gerbolyze::RenderSettings &rset, ClipperLib::Paths &clip) { - assert(doc); - cairo_t *cr = doc->cairo(); - assert(cr); - - cairo_save(cr); - /* Transform x, y, w, h from pattern coordinate space into parent coordinates by applying the inverse - * patternTransform. This is necessary so we iterate over the correct bounds when tiling below */ - cairo_matrix_t mat; - load_cairo_matrix_from_svg(patternTransform, mat); - if (cairo_matrix_invert(&mat) != CAIRO_STATUS_SUCCESS) { - cerr << "Cannot invert patternTransform matrix on pattern \"" << _node.attribute("id").value() << "\"." << endl; - cairo_restore(cr); - } - double inst_x = x, inst_y = y, inst_w = w, inst_h = h; - cairo_user_to_device(cr, &inst_x, &inst_y); - cairo_user_to_device_distance(cr, &inst_w, &inst_h); - cairo_restore(cr); - - ClipperLib::IntRect clip_bounds = get_paths_bounds(clip); - double bx = clip_bounds.left / clipper_scale; - double by = clip_bounds.top / clipper_scale; - double bw = (clip_bounds.right - clip_bounds.left) / clipper_scale; - double bh = (clip_bounds.bottom - clip_bounds.top) / clipper_scale; - - if (patternUnits == SVG_ObjectBoundingBox) { - inst_x *= bw; - inst_y *= bh; - inst_w *= bw; - inst_h *= bh; - } - - /* Switch to pattern coordinates */ - cairo_save(cr); - cairo_translate(cr, bx, by); - apply_cairo_transform_from_svg(cr, patternTransform); - - /* Iterate over all pattern tiles in pattern coordinates */ - for (double inst_off_x = fmod(inst_x, inst_w) - inst_w; - inst_off_x < bw + inst_w; - inst_off_x += inst_w) { - - for (double inst_off_y = fmod(inst_y, inst_h) - inst_h; - inst_off_y < bh + inst_h; - inst_off_y += inst_h) { - - cairo_save(cr); - /* Change into this individual tile's coordinate system */ - cairo_translate(cr, inst_off_x, inst_off_y); - if (has_vb) { - cairo_translate(cr, vb_x, vb_y); - cairo_scale(cr, inst_w / vb_w, inst_h / vb_h); - } else if (patternContentUnits == SVG_ObjectBoundingBox) { - cairo_scale(cr, bw, bh); - } - - /* Export the pattern tile's content like a group */ - doc->export_svg_group(rset, _node, clip); - cairo_restore(cr); - } - } - cairo_restore(cr); -} - -- cgit