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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
commit | cca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch) | |
tree | 146f39ded1c938019e1ed42d30923c2ac9e86789 /src/trace/depixelize/inkscape-depixelize.cpp | |
parent | Initial commit. (diff) | |
download | inkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.tar.xz inkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.zip |
Adding upstream version 1.2.2.upstream/1.2.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/trace/depixelize/inkscape-depixelize.cpp | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/src/trace/depixelize/inkscape-depixelize.cpp b/src/trace/depixelize/inkscape-depixelize.cpp new file mode 100644 index 0000000..a61ff8b --- /dev/null +++ b/src/trace/depixelize/inkscape-depixelize.cpp @@ -0,0 +1,140 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * This is the C++ glue between Inkscape and Potrace + * + * Authors: + * Bob Jamison <rjamison@titan.com> + * Stéphane Gimenez <dev@gim.name> + * + * Copyright (C) 2004-2006 Authors + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + * + * Potrace, the wonderful tracer located at http://potrace.sourceforge.net, + * is provided by the generosity of Peter Selinger, to whom we are grateful. + * + */ + +#include "inkscape-depixelize.h" + +#include <glibmm/i18n.h> +#include <gtkmm/main.h> +#include <gtkmm.h> +#include <iomanip> + +#include "desktop.h" +#include "message-stack.h" +#include "helper/geom.h" +#include "object/sp-path.h" + +#include "display/cairo-templates.h" + +#include <svg/path-string.h> +#include <svg/svg.h> +#include <svg/svg-color.h> +#include "svg/css-ostringstream.h" + +using Glib::ustring; + + + +namespace Inkscape { + +namespace Trace { + +namespace Depixelize { + + +/** + * + */ +DepixelizeTracingEngine::DepixelizeTracingEngine() + : keepGoing(1) + , traceType(TRACE_VORONOI) +{ + params = new ::Tracer::Kopf2011::Options(); +} + + + +DepixelizeTracingEngine::DepixelizeTracingEngine(TraceType traceType, double curves, int islands, int sparsePixels, + double sparseMultiplier, bool optimize) + : keepGoing(1) + , traceType(traceType) +{ + params = new ::Tracer::Kopf2011::Options(); + params->curvesMultiplier = curves; + params->islandsWeight = islands; + params->sparsePixelsRadius = sparsePixels; + params->sparsePixelsMultiplier = sparseMultiplier; + params->optimize = optimize; + params->nthreads = Inkscape::Preferences::get()->getIntLimited("/options/threading/numthreads", +#ifdef HAVE_OPENMP + omp_get_num_procs(), +#else + 1, +#endif // HAVE_OPENMP + 1, 256); +} + +DepixelizeTracingEngine::~DepixelizeTracingEngine() { delete params; } + +std::vector<TracingEngineResult> DepixelizeTracingEngine::trace(Glib::RefPtr<Gdk::Pixbuf> pixbuf) +{ + std::vector<TracingEngineResult> res; + + if (pixbuf->get_width() > 256 || pixbuf->get_height() > 256) { + char *msg = _("Image looks too big. Process may take a while and it is" + " wise to save your document before continuing." + "\n\nContinue the procedure (without saving)?"); + Gtk::MessageDialog dialog(msg, false, Gtk::MESSAGE_WARNING, Gtk::BUTTONS_OK_CANCEL, true); + + if (dialog.run() != Gtk::RESPONSE_OK) { + return res; + } + } + + ::Tracer::Splines splines; + + if (traceType == TRACE_VORONOI) + splines = ::Tracer::Kopf2011::to_voronoi(pixbuf, *params); + else + splines = ::Tracer::Kopf2011::to_splines(pixbuf, *params); + + for (::Tracer::Splines::const_iterator it = splines.begin(), end = splines.end(); it != end; ++it) { + gchar b[64]; + sp_svg_write_color(b, sizeof(b), + SP_RGBA32_U_COMPOSE(unsigned(it->rgba[0]), + unsigned(it->rgba[1]), + unsigned(it->rgba[2]), + unsigned(it->rgba[3]))); + Inkscape::CSSOStringStream osalpha; + osalpha << float(it->rgba[3]) / 255.; + gchar* style = g_strdup_printf("fill:%s;fill-opacity:%s;", b, osalpha.str().c_str()); + printf("%s\n", style); + TracingEngineResult r(style, sp_svg_write_path(it->pathVector), count_pathvector_nodes(it->pathVector)); + res.push_back(r); + g_free(style); + } + return res; +} + +void DepixelizeTracingEngine::abort() { keepGoing = 0; } + +Glib::RefPtr<Gdk::Pixbuf> DepixelizeTracingEngine::preview(Glib::RefPtr<Gdk::Pixbuf> pixbuf) { return pixbuf; } + + +} // namespace Depixelize +} // namespace Trace +} // namespace Inkscape + +/* + Local Variables: + mode:c++ + c-file-style:"stroustrup" + c-file-offsets:((innamespace . 0)(inline-open . 0)) + indent-tabs-mode:nil + fill-column:99 + End: +*/ +// vim: expandtab:shiftwidth=4:tabstop=8:softtabstop=4 : |