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Diffstat (limited to 'src/widgets/ege-paint-def.cpp')
| -rw-r--r-- | src/widgets/ege-paint-def.cpp | 316 |
1 files changed, 316 insertions, 0 deletions
diff --git a/src/widgets/ege-paint-def.cpp b/src/widgets/ege-paint-def.cpp new file mode 100644 index 0000000..fa654cb --- /dev/null +++ b/src/widgets/ege-paint-def.cpp @@ -0,0 +1,316 @@ +// 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 : |