guiWorker.h

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/* Copyright 2013 - 2014 Yurii Litvinov, Smirnov Mikhail, Kogutich Denis
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License. */

#pragma once

#include <QtCore/qglobal.h>
#include <QtCore/QMultiHash>
#include <QtCore/QList>
#include <QtCore/QScopedPointer>
#include <QtGui/QPixmap>
#include <QtGui/QFontMetrics>

#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
    #include <QtGui/QWidget>
    #include <QtGui/QLabel>
#else
    #include <QtWidgets/QWidget>
    #include <QtWidgets/QLabel>
#endif

#include "graphicsWidget.h"
#include "shapes/shape.h"

namespace trikControl {

class GuiWorker : public QObject
{
    Q_OBJECT

public:
    GuiWorker();

    DisplayWidgetInterface &graphicsWidget();

public slots:
    void showImage(const QString &fileName);

    void show(const QVector<int32_t> &array, int width, int height, const QString &format);

    void addLabel(const QString &text, int x, int y);

    void removeLabels();

    void hide();

    void setBackground(const QString &color);

    void setPainterWidth(int penWidth);

    void setPainterColor(const QString &color);

    void clear();

    void reset();

    void drawPoint(int x, int y);

    void drawLine(int x1, int y1, int x2, int y2);

    void drawRect(int x, int y, int width, int height, bool filled = false);

    void drawEllipse(int x, int y, int width, int height, bool filled = false);

    void drawArc(int x, int y, int width, int height, int startAngle, int spanAngle);

    void init();

    void redraw();

private:
    void resetBackground();

    void repaintGraphicsWidget();

    static QColor colorByName(const QString &name);

    QScopedPointer<GraphicsWidget> mImageWidget;
    QHash<QString, QPixmap> mImagesCache;
};

}