diff options
author | Timothy Pearson <[email protected]> | 2011-11-06 15:56:40 -0600 |
---|---|---|
committer | Timothy Pearson <[email protected]> | 2011-11-06 15:56:40 -0600 |
commit | e16866e072f94410321d70daedbcb855ea878cac (patch) | |
tree | ee3f52eabde7da1a0e6ca845fb9c2813cf1558cf /tdeui/kpixmapregionselectorwidget.h | |
parent | a58c20c1a7593631a1b50213c805507ebc16adaf (diff) | |
download | tdelibs-e16866e072f94410321d70daedbcb855ea878cac.tar.gz tdelibs-e16866e072f94410321d70daedbcb855ea878cac.zip |
Actually move the kde files that were renamed in the last commit
Diffstat (limited to 'tdeui/kpixmapregionselectorwidget.h')
-rw-r--r-- | tdeui/kpixmapregionselectorwidget.h | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/tdeui/kpixmapregionselectorwidget.h b/tdeui/kpixmapregionselectorwidget.h new file mode 100644 index 000000000..6bd518c93 --- /dev/null +++ b/tdeui/kpixmapregionselectorwidget.h @@ -0,0 +1,170 @@ +/* This file is part of the KDE libraries + Copyright (C) 2004 Antonio Larrosa <[email protected] + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + +#ifndef __KPIXMAPREGIONSELECTORWIDGET_H__ +#define __KPIXMAPREGIONSELECTORWIDGET_H__ +#include <tqvbox.h> +#include <tqpixmap.h> +#include <tqrect.h> +#include <tqlabel.h> +#include <kimageeffect.h> + +class KPopupMenu; + +#include <kdelibs_export.h> + +/** + * KPixmapRegionSelectorWidget is a widget that shows a picture and provides the + * user with a friendly way to select a rectangular subregion of the pixmap. + * + * NOTE: There are two copies of this .h and the .cpp file, with subtle differences. + * One copy is in kdelibs/tdeui, and the other copy is in tdepim/libtdepim + * This is because tdepim has to remain backwards compatible. Any changes + * to either file should be made to the other. + * + * @author Antonio Larrosa <[email protected]> + * @since 3.4 + */ +class KDEUI_EXPORT KPixmapRegionSelectorWidget : public TQWidget +{ + Q_OBJECT +public: + /** + * Constructor for a KPixmapRegionSelectorWidget. + */ + KPixmapRegionSelectorWidget( TQWidget *parent = 0L, const char *name=0L); + + /** + * Destructor for a KPixmapRegionSelectorWidget + */ + ~KPixmapRegionSelectorWidget(); + + /** + * Sets the pixmap which will be shown for the user to select a region from. + * @param pixmap The pixmap. Must be non-null. + * + */ + void setPixmap( const TQPixmap &pixmap ); + + /** + * @return the original whole pixmap that we're using in this widget as the + * pixmap the user is selecting a region from. + */ + TQPixmap pixmap() const { return m_unzoomedPixmap; } + + /** + * Sets the selected region to be @p rect (in zoomed pixmap coordinates) + */ + void setSelectedRegion(const TQRect &rect); + + /** + * Returns the selected region ( in zoomed pixmap coordinates ) + */ + TQRect selectedRegion() const; + + /** + * Returns the selected region ( in unzoomed, original pixmap coordinates ) + */ + TQRect unzoomedSelectedRegion() const; + + /** + * Resets the selection to use the whole image + */ + void resetSelection(); + + /** + * @returns a TQImage object with just the region the user selected from the + * image + */ + TQImage selectedImage() const; + + /** + * Sets the aspect ration that the selected subimage should have. The way to + * select it, is specifying an example valid @p width and @p height. + * @see setFreeSelectionAspectRatio() + */ + void setSelectionAspectRatio(int width, int height); + + /** + * Allows the user to do a selection which has any aspect ratio. This is + * the default. + * @see setSelectionAspectRatio() + */ + void setFreeSelectionAspectRatio(); + + /** + * Sets the maximum size for the widget. If the image is larger than this + * (either horizontally or vertically), it's scaled to adjust to the maximum + * size (preserving the aspect ratio) + */ + void setMaximumWidgetSize( int width, int height ); + + /** + * Rotates the image as specified by the @p direction parameter, also tries + * to rotate the selected region so that it doesn't change, as long as the + * forced aspect ratio setting is respected, in other case, the selected region + * is resetted. + */ + void rotate(KImageEffect::RotateDirection direction); + +public slots: + /** + * Rotates the current image 90º clockwise + */ + void rotateClockwise(); + /** + * Rotates the current image 90º counterclockwise + */ + void rotateCounterclockwise(); + +protected: + /** + * Creates a KPopupMenu with the menu that appears when clicking with the right button on the label + */ + virtual KPopupMenu *createPopupMenu(); + +private: + bool eventFilter(TQObject *obj, TQEvent *ev); + + /** + * Recalculates the pixmap that is shown based on the current selected area, + * the original image, etc. + */ + void updatePixmap(); + + TQRect calcSelectionRectangle( const TQPoint &startPoint, const TQPoint & endPoint ); + + enum CursorState { None=0, Resizing, Moving }; + CursorState m_state; + + TQPixmap m_unzoomedPixmap; + TQPixmap m_originalPixmap; + TQPixmap m_linedPixmap; + TQRect m_selectedRegion; + TQLabel *m_label; + + TQPoint m_tempFirstClick; + double m_forcedAspectRatio; + + int m_maxWidth, m_maxHeight; + double m_zoomFactor; +}; + +#endif + |