inserttextwidget.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2005-02-14
 * Description : a widget to insert a text over an image.
 *
 * Copyright (C) 2005-2022 by Gilles Caulier <caulier dot gilles at gmail dot com>
 * Copyright (C) 2006-2012 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
 *
 * This program is free software; you can redistribute it
 * and/or modify it under the terms of the GNU General
 * Public License as published by the Free Software Foundation;
 * either version 2, 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 General Public License for more details.
 *
 * ============================================================ */
 
#ifndef DIGIKAM_EDITOR_INSERT_TEXT_WIDGET_H
#define DIGIKAM_EDITOR_INSERT_TEXT_WIDGET_H
 
// Qt includes
 
#include <QColor>
#include <QFont>
#include <QImage>
#include <QMouseEvent>
#include <QPaintEvent>
#include <QPixmap>
#include <QRect>
#include <QResizeEvent>
#include <QSize>
#include <QString>
#include <QWidget>
#include <QUrl>
 
// Local includes
 
#include "dimg.h"
#include "imageiface.h"
 
using namespace Digikam;
 
namespace DigikamEditorInsertTextToolPlugin
{
 
class InsertTextWidget : public QWidget
{
    Q_OBJECT
 
public:
 
    enum Action
    {
        ALIGN_LEFT = 0,
        ALIGN_RIGHT,
        ALIGN_CENTER,
        ALIGN_BLOCK,
        BORDER_TEXT,
        TRANSPARENT_TEXT
    };
 
    enum TextRotation
    {
        ROTATION_NONE = 0,
        ROTATION_90,
        ROTATION_180,
        ROTATION_270
    };
 
    enum BorderMode
    {
        BORDER_NONE = 0,
        BORDER_SUPPORT,
        BORDER_NORMAL
    };
 
public:
 
    explicit InsertTextWidget(int w, int h, QWidget* const parent = nullptr);
    ~InsertTextWidget() override;
 
    ImageIface* imageIface() const;
    DImg        makeInsertText();
 
    void   setBackgroundColor(const QColor& bg);
 
    void   setText(const QString& text, const QFont& font, const QColor& color, int opacity,
                   int alignMode, bool border, bool transparent, int rotation);
 
    void   resetEdit();
 
    void  setPositionHint(const QRect& hint);
    QRect getPositionHint() const;
 
protected:
 
    void paintEvent(QPaintEvent*)           override;
    void resizeEvent(QResizeEvent*)         override;
    void mousePressEvent(QMouseEvent*)      override;
    void mouseReleaseEvent(QMouseEvent*)    override;
    void mouseMoveEvent(QMouseEvent*)       override;
 
    void makePixmap();
    QRect composeImage(DImg* const image, QPainter* const destPainter,
                       int x, int y,
                       QFont font, float pointSize, int textRotation, QColor textColor,
                       int textOpacity, int alignMode, const QString& textString,
                       bool transparentBackground, QColor backgroundColor,
                       BorderMode borderMode, int borderWidth, int spacing, float fontScale = 1.0f);
 
private:
 
    class Private;
    Private* const d;
};
 
} // namespace DigikamEditorInsertTextToolPlugin
 
#endif // DIGIKAM_EDITOR_INSERT_TEXT_WIDGET_H