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Diffstat (limited to 'kolourpaint/tools/kptoolautocrop.h')
-rw-r--r-- | kolourpaint/tools/kptoolautocrop.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/kolourpaint/tools/kptoolautocrop.h b/kolourpaint/tools/kptoolautocrop.h new file mode 100644 index 00000000..4d016a1d --- /dev/null +++ b/kolourpaint/tools/kptoolautocrop.h @@ -0,0 +1,127 @@ + +/* + Copyright (c) 2003,2004,2005 Clarence Dang <[email protected]> + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#ifndef __kptoolautocrop_h__ +#define __kptoolautocrop_h__ + +#include <qrect.h> + +#include <kpcommandhistory.h> + +#include <kpcolor.h> +#include <kpselection.h> + +class QPixmap; +class kpDocument; +class kpMainWindow; +class kpViewManager; + + +// (returns true on success (even if it did nothing) or false on error) +bool kpToolAutoCrop (kpMainWindow *mainWindow); + + +class kpToolAutoCropBorder +{ +public: + kpToolAutoCropBorder (const QPixmap *pixmapPtr, int processedColorSimilarity); + + int size () const; + + const QPixmap *pixmap () const; + int processedColorSimilarity () const; + QRect rect () const; + int left () const; + int right () const; + int top () const; + int bottom () const; + kpColor referenceColor () const; + kpColor averageColor () const; + bool isSingleColor () const; + + // (returns true on success (even if no rect) or false on error) + bool calculate (int isX, int dir); + + bool fillsEntirePixmap () const; + bool exists () const; + void invalidate (); + +private: + const QPixmap *m_pixmapPtr; + int m_processedColorSimilarity; + + QRect m_rect; + kpColor m_referenceColor; + int m_redSum, m_greenSum, m_blueSum; + bool m_isSingleColor; +}; + + +class kpToolAutoCropCommand : public kpNamedCommand +{ +public: + kpToolAutoCropCommand (bool actOnSelection, + const kpToolAutoCropBorder &leftBorder, + const kpToolAutoCropBorder &rightBorder, + const kpToolAutoCropBorder &topBorder, + const kpToolAutoCropBorder &botBorder, + kpMainWindow *mainWindow); + virtual ~kpToolAutoCropCommand (); + + enum NameOptions + { + DontShowAccel = 0, + ShowAccel = 1 + }; + + static QString name (bool actOnSelection, int options); + + virtual int size () const; + +private: + void getUndoPixmap (const kpToolAutoCropBorder &border, QPixmap **pixmap); + void getUndoPixmaps (); + void deleteUndoPixmaps (); + +public: + virtual void execute (); + virtual void unexecute (); + +private: + QRect contentsRect () const; + + bool m_actOnSelection; + kpToolAutoCropBorder m_leftBorder, m_rightBorder, m_topBorder, m_botBorder; + QPixmap *m_leftPixmap, *m_rightPixmap, *m_topPixmap, *m_botPixmap; + + QRect m_contentsRect; + int m_oldWidth, m_oldHeight; + kpSelection m_oldSelection; +}; + +#endif // __kptoolautocrop_h__ |