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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:29:01 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:29:01 +0000
commit35a96bde514a8897f6f0fcc41c5833bf63df2e2a (patch)
tree657d15a03cc46bd099fc2c6546a7a4ad43815d9f /src/live_effects/parameter/parameter.cpp
parentInitial commit. (diff)
downloadinkscape-35a96bde514a8897f6f0fcc41c5833bf63df2e2a.tar.xz
inkscape-35a96bde514a8897f6f0fcc41c5833bf63df2e2a.zip
Adding upstream version 1.0.2.upstream/1.0.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/live_effects/parameter/parameter.cpp')
-rw-r--r--src/live_effects/parameter/parameter.cpp208
1 files changed, 208 insertions, 0 deletions
diff --git a/src/live_effects/parameter/parameter.cpp b/src/live_effects/parameter/parameter.cpp
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+++ b/src/live_effects/parameter/parameter.cpp
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+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+
+#include "live_effects/parameter/parameter.h"
+#include "live_effects/effect.h"
+#include "svg/svg.h"
+#include "xml/repr.h"
+
+#include "svg/stringstream.h"
+
+#include "verbs.h"
+
+#include <glibmm/i18n.h>
+
+#include <utility>
+
+#define noLPEREALPARAM_DEBUG
+
+namespace Inkscape {
+
+namespace LivePathEffect {
+
+
+Parameter::Parameter(Glib::ustring label, Glib::ustring tip, Glib::ustring key, Inkscape::UI::Widget::Registry *wr,
+ Effect *effect)
+ : param_key(std::move(key))
+ , param_wr(wr)
+ , param_label(std::move(label))
+ , oncanvas_editable(false)
+ , widget_is_visible(true)
+ , widget_is_enabled(true)
+ , param_tooltip(std::move(tip))
+ , param_effect(effect)
+{
+}
+
+void Parameter::param_write_to_repr(const char *svgd)
+{
+ param_effect->getRepr()->setAttribute(param_key, svgd);
+}
+
+void Parameter::write_to_SVG()
+{
+ param_write_to_repr(param_getSVGValue().c_str());
+}
+
+/*###########################################
+ * REAL PARAM
+ */
+ScalarParam::ScalarParam(const Glib::ustring &label, const Glib::ustring &tip, const Glib::ustring &key,
+ Inkscape::UI::Widget::Registry *wr, Effect *effect, gdouble default_value)
+ : Parameter(label, tip, key, wr, effect)
+ , value(default_value)
+ , min(-SCALARPARAM_G_MAXDOUBLE)
+ , max(SCALARPARAM_G_MAXDOUBLE)
+ , integer(false)
+ , defvalue(default_value)
+ , digits(2)
+ , inc_step(0.1)
+ , inc_page(1)
+ , add_slider(false)
+ , _set_undo(true)
+{
+}
+
+ScalarParam::~ScalarParam() = default;
+
+bool ScalarParam::param_readSVGValue(const gchar *strvalue)
+{
+ double newval;
+ unsigned int success = sp_svg_number_read_d(strvalue, &newval);
+ if (success == 1) {
+ param_set_value(newval);
+ return true;
+ }
+ return false;
+}
+
+Glib::ustring ScalarParam::param_getSVGValue() const
+{
+ Inkscape::SVGOStringStream os;
+ os << value;
+ return os.str();
+}
+
+Glib::ustring ScalarParam::param_getDefaultSVGValue() const
+{
+ Inkscape::SVGOStringStream os;
+ os << defvalue;
+ return os.str();
+}
+
+void ScalarParam::param_set_default() { param_set_value(defvalue); }
+
+void ScalarParam::param_update_default(gdouble default_value) { defvalue = default_value; }
+
+void ScalarParam::param_update_default(const gchar *default_value)
+{
+ double newval;
+ unsigned int success = sp_svg_number_read_d(default_value, &newval);
+ if (success == 1) {
+ param_update_default(newval);
+ }
+}
+
+void ScalarParam::param_transform_multiply(Geom::Affine const &postmul, bool set)
+{
+ // Check if proportional stroke-width scaling is on
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+ bool transform_stroke = prefs ? prefs->getBool("/options/transform/stroke", true) : true;
+ if (transform_stroke || set) {
+ param_set_value(value * postmul.descrim());
+ write_to_SVG();
+ }
+}
+
+void ScalarParam::param_set_value(gdouble val)
+{
+ value = val;
+ if (integer)
+ value = round(value);
+ if (value > max)
+ value = max;
+ if (value < min)
+ value = min;
+}
+
+void ScalarParam::param_set_range(gdouble min, gdouble max)
+{
+ // if you look at client code, you'll see that many effects
+ // has a tendency to set an upper range of Geom::infinity().
+ // Once again, in gtk2, this is not a problem. But in gtk3,
+ // widgets get allocated the amount of size they ask for,
+ // leading to excessively long widgets.
+ if (min >= -SCALARPARAM_G_MAXDOUBLE) {
+ this->min = min;
+ } else {
+ this->min = -SCALARPARAM_G_MAXDOUBLE;
+ }
+ if (max <= SCALARPARAM_G_MAXDOUBLE) {
+ this->max = max;
+ } else {
+ this->max = SCALARPARAM_G_MAXDOUBLE;
+ }
+ param_set_value(value); // reset value to see whether it is in ranges
+}
+
+void ScalarParam::param_make_integer(bool yes)
+{
+ integer = yes;
+ digits = 0;
+ inc_step = 1;
+ inc_page = 10;
+}
+
+void ScalarParam::param_set_undo(bool set_undo) { _set_undo = set_undo; }
+
+Gtk::Widget *ScalarParam::param_newWidget()
+{
+ if (widget_is_visible) {
+ Inkscape::UI::Widget::RegisteredScalar *rsu = Gtk::manage(new Inkscape::UI::Widget::RegisteredScalar(
+ param_label, param_tooltip, param_key, *param_wr, param_effect->getRepr(), param_effect->getSPDoc()));
+
+ rsu->setValue(value);
+ rsu->setDigits(digits);
+ rsu->setIncrements(inc_step, inc_page);
+ rsu->setRange(min, max);
+ rsu->setProgrammatically = false;
+ if (add_slider) {
+ rsu->addSlider();
+ }
+ if (_set_undo) {
+ rsu->set_undo_parameters(SP_VERB_DIALOG_LIVE_PATH_EFFECT, _("Change scalar parameter"));
+ }
+ return dynamic_cast<Gtk::Widget *>(rsu);
+ } else {
+ return nullptr;
+ }
+}
+
+void ScalarParam::param_set_digits(unsigned digits) { this->digits = digits; }
+
+void ScalarParam::param_set_increments(double step, double page)
+{
+ inc_step = step;
+ inc_page = page;
+}
+
+
+
+} /* namespace LivePathEffect */
+} /* namespace Inkscape */
+
+/*
+ Local Variables:
+ mode:c++
+ c-file-style:"stroustrup"
+ c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+ indent-tabs-mode:nil
+ fill-column:99
+ End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :