70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
// CachedPixmap.hh
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// Copyright (c) 2006 Fluxbox Team (fluxgen at fluxbox dot org)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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#ifndef FBTK_CACHED_PIXMAP_H
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#define FBTK_CACHED_PIXMAP_H
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#include <X11/Xlib.h>
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namespace FbTk {
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class ImageControl;
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/// holds cached pixmap and releases it from cache when it dies
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class CachedPixmap {
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public:
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/// @param ctrl the image cache control
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explicit CachedPixmap( FbTk::ImageControl& ctrl );
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/**
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* @param ctrl cache control
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* @param pm pixmap to store
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*/
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CachedPixmap( FbTk::ImageControl& ctrl,
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Pixmap pm );
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~CachedPixmap();
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operator Pixmap() const {
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return m_pixmap;
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}
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/**
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* Sets new pixmap and releases the old pixmap from cache
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* @param pm the new pixmap to set
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*/
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void reset( Pixmap pm );
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/// @return pixmap
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Pixmap operator *() const {
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return m_pixmap;
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}
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public:
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/// releases pixmap from cache
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void destroy();
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Pixmap m_pixmap; //< cached pixmap
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FbTk::ImageControl &m_ctrl; //< cache control
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};
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} // namespace CachedPixmap
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#endif // FBTK_CACHED_PIXMAP
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