src/kitemviews/private/kpixmapmodifier.h

   1 /***************************************************************************
   2  *   Copyright (C) 2011 by Peter Penz <peter.penz19@gmail.com>             *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #ifndef KPIXMAPMODIFIER_H
  21 #define KPIXMAPMODIFIER_H
  22
  23 #include "dolphin_export.h"
  24
  25 class QPixmap;
  26 class QSize;
  27
  28 class DOLPHIN_EXPORT KPixmapModifier
  29 {
  30 public:
  31     /**
  32      * Scale a pixmap to a given size.
  33      * @arg scaledSize is assumed to be the scaled to the same device pixel ratio as the source pixmap
  34      * @arg scaledSize is in device pixels
  35      */
  36     static void scale(QPixmap& pixmap, const QSize& scaledSize);
  37
  38     /**
  39      * Resize and paint a frame round an icon
  40      * @arg scaledSize is in device-independent pixels
  41      * The returned image will be scaled by the application devicePixelRatio
  42      */
  43     static void applyFrame(QPixmap& icon, const QSize& scaledSize);
  44
  45     /**
  46      * return and paint a frame round an icon
  47      * @arg framesize is in device-independent pixels
  48      * @return is in device-independent pixels
  49      */
  50
  51     static QSize sizeInsideFrame(const QSize& frameSize);
  52 };
  53
  54 #endif
  55
  56