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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:24:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:24:48 +0000
commitcca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch)
tree146f39ded1c938019e1ed42d30923c2ac9e86789 /src/widgets/ege-paint-def.cpp
parentInitial commit. (diff)
downloadinkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.tar.xz
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Adding upstream version 1.2.2.upstream/1.2.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/widgets/ege-paint-def.cpp')
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1 files changed, 316 insertions, 0 deletions
diff --git a/src/widgets/ege-paint-def.cpp b/src/widgets/ege-paint-def.cpp
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+// SPDX-License-Identifier: GPL-2.0-or-later OR MPL-1.1 OR LGPL-2.1-or-later
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Eek Color Definition.
+ *
+ * The Initial Developer of the Original Code is
+ * Jon A. Cruz.
+ * Portions created by the Initial Developer are Copyright (C) 2006
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include <libintl.h>
+
+#include <cstdint>
+#include <string>
+#include <iostream>
+#include <sstream>
+#include <cstring>
+#include <cstdio>
+#include <utility>
+#include <glibmm/i18n.h>
+#include <glibmm/stringutils.h>
+
+#if !defined(_)
+#define _(s) gettext(s)
+#endif // !defined(_)
+
+#include "ege-paint-def.h"
+
+namespace ege
+{
+
+static std::string mimeTEXT("text/plain");
+static std::string mimeX_COLOR("application/x-color");
+static std::string mimeOSWB_COLOR("application/x-oswb-color");
+
+PaintDef::PaintDef() :
+ descr(_("none")),
+ type(NONE),
+ r(0),
+ g(0),
+ b(0),
+ editable(false),
+ _listeners()
+{
+}
+
+PaintDef::PaintDef( ColorType type ) :
+ descr(),
+ type(type),
+ r(0),
+ g(0),
+ b(0),
+ editable(false),
+ _listeners()
+{
+ switch (type) {
+ case CLEAR:
+ descr = _("remove");
+ break;
+ case NONE:
+ descr = _("none");
+ break;
+ case RGB:
+ descr = "";
+ break;
+ }
+}
+
+PaintDef::PaintDef( unsigned int r, unsigned int g, unsigned int b, std::string description ) :
+ descr(std::move(description)),
+ type(RGB),
+ r(r),
+ g(g),
+ b(b),
+ editable(false),
+ _listeners()
+{
+}
+
+PaintDef::~PaintDef()
+= default;
+
+PaintDef::PaintDef( PaintDef const &other )
+{
+ if ( this != &other ) {
+ *this = other;
+ }
+}
+
+PaintDef& PaintDef::operator=( PaintDef const &other )
+{
+ if ( this != & other )
+ {
+ type = other.type;
+ r = other.r;
+ g = other.g;
+ b = other.b;
+ descr = other.descr;
+ editable = other.editable;
+ //TODO: _listeners should be assigned a value
+ }
+ return *this;
+}
+
+class PaintDef::HookData {
+public:
+ HookData( ColorCallback cb, void* data ) {_cb = cb; _data = data;}
+ ColorCallback _cb;
+ void* _data;
+};
+
+
+std::vector<std::string> PaintDef::getMIMETypes()
+{
+ std::vector<std::string> listing;
+ listing.push_back(mimeOSWB_COLOR);
+ listing.push_back(mimeX_COLOR);
+ listing.push_back(mimeTEXT);
+ return listing;
+}
+
+void PaintDef::getMIMEData(std::string const & type, char*& dest, int& len, int& format)
+{
+ if ( type == mimeTEXT ) {
+ dest = new char[8];
+ snprintf( dest, 8, "#%02x%02x%02x", getR(), getG(), getB() );
+ dest[7] = 0;
+ len = 8;
+ format = 8;
+ } else if ( type == mimeX_COLOR ) {
+ uint16_t* tmp = new uint16_t[4];
+ tmp[0] = (getR() << 8) | getR();
+ tmp[1] = (getG() << 8) | getG();
+ tmp[2] = (getB() << 8) | getB();
+ tmp[3] = 0xffff;
+ dest = reinterpret_cast<char*>(tmp);
+ len = 8;
+ format = 16;
+ } else if ( type == mimeOSWB_COLOR ) {
+ std::string tmp("<paint>");
+ switch ( getType() ) {
+ case ege::PaintDef::NONE:
+ {
+ tmp += "<nocolor/>";
+ }
+ break;
+ case ege::PaintDef::CLEAR:
+ {
+ tmp += "<clear/>";
+ }
+ break;
+ default:
+ {
+ tmp += std::string("<color name=\"") + descr + "\">";
+ tmp += "<sRGB r=\"";
+ tmp += Glib::Ascii::dtostr(getR()/255.0);
+ tmp += "\" g=\"";
+ tmp += Glib::Ascii::dtostr(getG()/255.0);
+ tmp += "\" b=\"";
+ tmp += Glib::Ascii::dtostr(getB()/255.0);
+ tmp += "\"/>";
+ tmp += "</color>";
+ }
+ }
+ tmp += "</paint>";
+ len = tmp.size();
+ dest = new char[len];
+ // Note that this is not null-terminated:
+ memcpy(dest, tmp.c_str(), len);
+ format = 8;
+ } else {
+ // nothing
+ dest = nullptr;
+ len = 0;
+ }
+}
+
+bool PaintDef::fromMIMEData(std::string const & type, char const * data, int len, int /*format*/)
+{
+ bool worked = false;
+ bool changed = false;
+ if ( type == mimeTEXT ) {
+ } else if ( type == mimeX_COLOR ) {
+ } else if ( type == mimeOSWB_COLOR ) {
+ std::string xml(data, len);
+ if ( xml.find("<nocolor/>") != std::string::npos ) {
+ if ( (this->type != ege::PaintDef::NONE)
+ || (this->r != 0)
+ || (this->g != 0)
+ || (this->b != 0) ) {
+ this->type = ege::PaintDef::NONE;
+ this->r = 0;
+ this->g = 0;
+ this->b = 0;
+ changed = true;
+ }
+ worked = true;
+ } else {
+ size_t pos = xml.find("<sRGB");
+ if ( pos != std::string::npos ) {
+ size_t endPos = xml.find(">", pos);
+ std::string srgb = xml.substr(pos, endPos);
+ this->type = ege::PaintDef::RGB;
+ size_t numPos = srgb.find("r=");
+ if (numPos != std::string::npos) {
+ double dbl = Glib::Ascii::strtod(srgb.substr(numPos + 3));
+ this->r = static_cast<int>(255 * dbl);
+ }
+ numPos = srgb.find("g=");
+ if (numPos != std::string::npos) {
+ double dbl = Glib::Ascii::strtod(srgb.substr(numPos + 3));
+ this->g = static_cast<int>(255 * dbl);
+ }
+ numPos = srgb.find("b=");
+ if (numPos != std::string::npos) {
+ double dbl = Glib::Ascii::strtod(srgb.substr(numPos + 3));
+ this->b = static_cast<int>(255 * dbl);
+ }
+
+ size_t pos = xml.find("<color ");
+ if ( pos != std::string::npos ) {
+ size_t endPos = xml.find(">", pos);
+ std::string colorTag = xml.substr(pos, endPos);
+
+ size_t namePos = colorTag.find("name=");
+ if (namePos != std::string::npos) {
+ char quote = colorTag[namePos + 5];
+ endPos = colorTag.find(quote, namePos + 6);
+ descr = colorTag.substr(namePos + 6, endPos - (namePos + 6));
+ }
+ }
+ changed = true;
+ worked = true;
+ }
+ }
+ }
+ if ( changed ) {
+ // beware of callbacks changing things
+ for (auto & _listener : _listeners)
+ {
+ if ( _listener->_cb )
+ {
+ _listener->_cb( _listener->_data );
+ }
+ }
+ }
+ return worked;
+}
+
+void PaintDef::setRGB( unsigned int r, unsigned int g, unsigned int b )
+{
+ if ( r != this->r || g != this->g || b != this->b ) {
+ this->r = r;
+ this->g = g;
+ this->b = b;
+
+ // beware of callbacks changing things
+ for (auto & _listener : _listeners)
+ {
+ if ( _listener->_cb )
+ {
+ _listener->_cb( _listener->_data );
+ }
+ }
+ }
+}
+
+void PaintDef::addCallback( ColorCallback cb, void* data )
+{
+ _listeners.push_back( new HookData(cb, data) );
+}
+
+void PaintDef::removeCallback( ColorCallback /*cb*/, void* /*data*/ )
+{
+}
+
+
+} // namespace ege
+
+/*
+ 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:fileencoding=utf-8:textwidth=99 :