added QIcon-generating functions to jkqtcommon

lib/jkqtcommon/CMakeLists.txt

@@ -41,6 +41,7 @@ set(SOURCES
   ${CMAKE_CURRENT_LIST_DIR}/jkqtpstatregression.cpp
   ${CMAKE_CURRENT_LIST_DIR}/jkqtpstatpoly.cpp
   ${CMAKE_CURRENT_LIST_DIR}/jkqtpstatgrouped.cpp
+  ${CMAKE_CURRENT_LIST_DIR}/jkqtpicons.cpp
 )
 
 set(HEADERS
@@ -88,6 +89,8 @@ set(HEADERS
   $<INSTALL_INTERFACE:jkqtpstatpoly.h>
   $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/jkqtpstatgrouped.h>
   $<INSTALL_INTERFACE:jkqtpstatgrouped.h>
+  $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/jkqtpicons.h>
+  $<INSTALL_INTERFACE:jkqtpicons.h>
 )
 
 include(CMakePackageConfigHelpers)

lib/jkqtcommon/jkqtpicons.cpp

@@ -0,0 +1,112 @@
+/*
+    Copyright (c) 2008-2022 Jan W. Krieger (<jan@jkrieger.de>)
+
+    last modification: $LastChangedDate$  (revision $Rev$)
+
+    This software is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License (LGPL) as published by
+    the Free Software Foundation, either version 2.1 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 Lesser General Public License (LGPL) for more details.
+
+    You should have received a copy of the GNU Lesser General Public License (LGPL)
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+
+#include "jkqtpicons.h"
+
+#include <QtCore>
+#include <QPixmap>
+#include <QIcon>
+#include <QPainter>
+
+QIcon jkqtp_makeQBrushStyleIcon(Qt::BrushStyle style) {
+    QPixmap icon(22,22);
+    icon.fill(Qt::lightGray);
+    {
+        QPainter p;
+        p.begin(&icon);
+        p.setRenderHint(QPainter::Antialiasing);
+        p.setRenderHint(QPainter::TextAntialiasing);
+        p.fillRect(0,0,icon.width(),icon.height(),QBrush(Qt::darkGray, style));
+        p.end();
+
+    }
+    return QIcon(icon);
+}
+
+QIcon jkqtp_makeQColorIcon(QColor style) {
+    QPixmap icon(22,22);
+    icon.fill(Qt::white);
+    {
+        QPainter p;
+        p.begin(&icon);
+        p.setRenderHint(QPainter::Antialiasing);
+        p.setRenderHint(QPainter::TextAntialiasing);
+        p.fillRect(0,0,icon.width()/2,icon.height()/2,QBrush(QColor("black"), Qt::SolidPattern));
+        p.fillRect(icon.width()/2+1,icon.height()/2+1,icon.width(),icon.height(),QBrush(QColor("black"), Qt::SolidPattern));
+        p.setPen(QPen(Qt::NoPen));
+        p.setBrush(QBrush(style, Qt::SolidPattern));
+        p.drawEllipse(QRectF(1,1,icon.width()-2,icon.height()-2));
+        p.end();
+
+    }
+    return QIcon(icon);
+}
+
+QIcon jkqtp_makeQPenStyleIcon(Qt::PenStyle style) {
+    QPixmap icon(22,22);
+    icon.fill(Qt::white);
+    {
+        QPainter p;
+        p.begin(&icon);
+        p.setRenderHint(QPainter::Antialiasing);
+        p.setRenderHint(QPainter::TextAntialiasing);
+        p.setPen(QPen(QColor(Qt::black), 1, style));
+        p.drawLine(0,icon.height()/2,icon.width(),icon.height()/2);
+        p.end();
+
+    }
+    return QIcon(icon);
+}
+
+QIcon JKQTPLineDecoratorStyle2Icon(JKQTPLineDecoratorStyle style)
+{
+    QPixmap icon(22,22);
+    icon.fill(Qt::white);
+    {
+        QPainter p;
+        p.begin(&icon);
+        p.setRenderHint(QPainter::Antialiasing);
+        p.setRenderHint(QPainter::TextAntialiasing);
+        p.setPen(QPen(QColor(Qt::black), 1, Qt::SolidLine));
+        p.setBrush(QBrush(QColor("silver"), Qt::SolidPattern));
+        p.drawLine(2,icon.height()/2,icon.width(),icon.height()/2);
+        JKQTPPlotLineDecorator(p, 2, icon.height()/2, 0, style, 12);
+        p.end();
+
+    }
+    return QIcon(icon);
+}
+
+QIcon JKQTPGraphSymbols2Icon(JKQTPGraphSymbols style)
+{
+    QPixmap icon(22,22);
+    icon.fill(Qt::white);
+    {
+        QPainter p;
+        p.begin(&icon);
+        p.setRenderHint(QPainter::Antialiasing);
+        p.setRenderHint(QPainter::TextAntialiasing);
+        p.setPen(QPen(QColor(Qt::black), 1, Qt::SolidLine));
+        JKQTPPlotSymbol(p, icon.width()/2, icon.height()/2, style, 15, 1, QColor("black"), QColor("silver"));
+        p.end();
+
+    }
+    return QIcon(icon);
+}

lib/jkqtcommon/jkqtpicons.h

@@ -0,0 +1,60 @@
+/*
+    Copyright (c) 2008-2022 Jan W. Krieger (<jan@jkrieger.de>)
+
+    last modification: $LastChangedDate$  (revision $Rev$)
+
+    This software is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License (LGPL) as published by
+    the Free Software Foundation, either version 2.1 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 Lesser General Public License (LGPL) for more details.
+
+    You should have received a copy of the GNU Lesser General Public License (LGPL)
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+
+
+
+
+#ifndef JKQTPICONS_H
+#define JKQTPICONS_H
+
+#include "jkqtcommon/jkqtcommon_imexport.h"
+#include <QSettings>
+#include <QWidget>
+#include <QSplitter>
+#include <QIcon>
+#include "jkqtcommon/jkqtpdrawingtools.h"
+
+/** \brief make a QIcon representing a QColor
+ * \ingroup tools
+ */
+JKQTCOMMON_LIB_EXPORT QIcon jkqtp_makeQColorIcon(QColor style);
+
+/** \brief make a QIcon representing a Qt::BrushStyle
+ * \ingroup tools
+ */
+JKQTCOMMON_LIB_EXPORT QIcon jkqtp_makeQBrushStyleIcon(Qt::BrushStyle style);
+
+
+/** \brief make a QIcon representing a Qt::PenStyle
+ * \ingroup tools
+ */
+JKQTCOMMON_LIB_EXPORT QIcon jkqtp_makeQPenStyleIcon(Qt::PenStyle style);
+
+/** \brief make a QIcon representing a JKQTPLineDecoratorStyle
+ * \ingroup tools
+ */
+JKQTCOMMON_LIB_EXPORT QIcon JKQTPLineDecoratorStyle2Icon(JKQTPLineDecoratorStyle style);
+
+/** \brief make a QIcon representing a JKQTPGraphSymbols
+ * \ingroup tools
+ */
+JKQTCOMMON_LIB_EXPORT QIcon JKQTPGraphSymbols2Icon(JKQTPGraphSymbols style);
+
+#endif // JKQTPICONS_H