File indexing completed on 2024-05-26 04:24:44 

0001 /*
0002    Copyright (c) 2003-2007 Clarence Dang <dang@kde.org>
0003    All rights reserved.
0004 
0005    Redistribution and use in source and binary forms, with or without
0006    modification, are permitted provided that the following conditions
0007    are met:
0008 
0009    1. Redistributions of source code must retain the above copyright
0010       notice, this list of conditions and the following disclaimer.
0011    2. Redistributions in binary form must reproduce the above copyright
0012       notice, this list of conditions and the following disclaimer in the
0013       documentation and/or other materials provided with the distribution.
0014 
0015    THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
0016    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
0017    OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
0018    IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
0019    INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
0020    NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
0021    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
0022    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
0023    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
0024    THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
0025 */
0026 
0027 
0028 #ifndef kpTransformSkewDialog_H
0029 #define kpTransformSkewDialog_H
0030 
0031 #include "kpTransformPreviewDialog.h"
0032 #include "imagelib/kpColor.h"
0033 
0034 class QSpinBox;
0035 
0036 
0037 class kpTransformSkewDialog : public kpTransformPreviewDialog
0038 {
0039 Q_OBJECT
0040 
0041 public:
0042     kpTransformSkewDialog (bool actOnSelection,
0043         kpTransformDialogEnvironment *_env, QWidget *parent);
0044     ~kpTransformSkewDialog () override;
0045 
0046 private:
0047     static int s_lastWidth, s_lastHeight;
0048     static int s_lastHorizontalAngle, s_lastVerticalAngle;
0049 
0050     void createAngleGroupBox ();
0051 
0052     QSize newDimensions () const override;
0053     QImage transformPixmap (const QImage &image,
0054                                     int targetWidth, int targetHeight) const override;
0055 
0056     void updateLastAngles ();
0057 
0058 private Q_SLOTS:
0059     void slotUpdate () override;
0060 
0061 public:
0062     // These are the angles the users sees in the dialog and...
0063     int horizontalAngle () const;
0064     int verticalAngle () const;
0065 
0066     // ...these functions translate them for use in kpPixmapFX::skew().
0067     static int horizontalAngleForPixmapFX (int hangle);
0068     static int verticalAngleForPixmapFX (int vangle);
0069 
0070     int horizontalAngleForPixmapFX () const;
0071     int verticalAngleForPixmapFX () const;
0072 
0073     bool isNoOp () const override;
0074 
0075 private Q_SLOTS:
0076     void accept () override;
0077 
0078 private:
0079     QSpinBox *m_horizontalSkewInput, *m_verticalSkewInput;
0080 };
0081 
0082 
0083 #endif  // kpTransformSkewDialog_H