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authorfluxgen <fluxgen>2006-10-16 18:47:27 (GMT)
committerfluxgen <fluxgen>2006-10-16 18:47:27 (GMT)
commit9f4baeb0fc7107f3d0a35dccd6027cecb5e5b72d (patch)
tree8e32cc6c595f90083739d57531dd18a38dada8f8
parent0e2a8b9a433874b98432d56883d5f54452dc5946 (diff)
downloadfluxbox_lack-9f4baeb0fc7107f3d0a35dccd6027cecb5e5b72d.zip
fluxbox_lack-9f4baeb0fc7107f3d0a35dccd6027cecb5e5b72d.tar.bz2
cached pixmap helper, works like auto ptr for cached pixmaps
-rw-r--r--src/FbTk/CachedPixmap.cc51
-rw-r--r--src/FbTk/CachedPixmap.hh70
2 files changed, 121 insertions, 0 deletions
diff --git a/src/FbTk/CachedPixmap.cc b/src/FbTk/CachedPixmap.cc
new file mode 100644
index 0000000..d7583c2
--- /dev/null
+++ b/src/FbTk/CachedPixmap.cc
@@ -0,0 +1,51 @@
1// CachedPixmap.hh
2// Copyright (c) 2006 Fluxbox Team (fluxgen at fluxbox dot org)
3//
4// Permission is hereby granted, free of charge, to any person obtaining a
5// copy of this software and associated documentation files (the "Software"),
6// to deal in the Software without restriction, including without limitation
7// the rights to use, copy, modify, merge, publish, distribute, sublicense,
8// and/or sell copies of the Software, and to permit persons to whom the
9// Software is furnished to do so, subject to the following conditions:
10//
11// The above copyright notice and this permission notice shall be included in
12// all copies or substantial portions of the Software.
13//
14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20// DEALINGS IN THE SOFTWARE.
21
22#include "CachedPixmap.hh"
23#include "ImageControl.hh"
24
25namespace FbTk {
26
27CachedPixmap::CachedPixmap( FbTk::ImageControl& ctrl ):
28 m_pixmap( 0 ),
29 m_ctrl( ctrl ) {
30}
31
32CachedPixmap::CachedPixmap( FbTk::ImageControl& ctrl, Pixmap pm ):
33 m_pixmap( pm ),
34 m_ctrl( ctrl ) { }
35
36CachedPixmap::~CachedPixmap() {
37 destroy();
38}
39
40void CachedPixmap::reset( Pixmap pm ) {
41 destroy();
42 m_pixmap = pm;
43}
44
45void CachedPixmap::destroy() {
46 if ( m_pixmap != 0 ) {
47 m_ctrl.removeImage( m_pixmap );
48 }
49}
50
51}
diff --git a/src/FbTk/CachedPixmap.hh b/src/FbTk/CachedPixmap.hh
new file mode 100644
index 0000000..943251c
--- /dev/null
+++ b/src/FbTk/CachedPixmap.hh
@@ -0,0 +1,70 @@
1// CachedPixmap.hh
2// Copyright (c) 2006 Fluxbox Team (fluxgen at fluxbox dot org)
3//
4// Permission is hereby granted, free of charge, to any person obtaining a
5// copy of this software and associated documentation files (the "Software"),
6// to deal in the Software without restriction, including without limitation
7// the rights to use, copy, modify, merge, publish, distribute, sublicense,
8// and/or sell copies of the Software, and to permit persons to whom the
9// Software is furnished to do so, subject to the following conditions:
10//
11// The above copyright notice and this permission notice shall be included in
12// all copies or substantial portions of the Software.
13//
14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20// DEALINGS IN THE SOFTWARE.
21
22
23#ifndef FBTK_CACHED_PIXMAP_H
24#define FBTK_CACHED_PIXMAP_H
25
26#include <X11/Xlib.h>
27
28namespace FbTk {
29
30class ImageControl;
31
32/// holds cached pixmap and releases it from cache when it dies
33class CachedPixmap {
34public:
35 /// @param ctrl the image cache control
36 explicit CachedPixmap( FbTk::ImageControl& ctrl );
37 /**
38 * @param ctrl cache control
39 * @param pm pixmap to store
40 */
41 CachedPixmap( FbTk::ImageControl& ctrl,
42 Pixmap pm );
43 ~CachedPixmap();
44
45 operator Pixmap() const {
46 return m_pixmap;
47 }
48
49 /**
50 * Sets new pixmap and releases the old pixmap from cache
51 * @param pm the new pixmap to set
52 */
53 void reset( Pixmap pm );
54
55 /// @return pixmap
56 Pixmap operator *() const {
57 return m_pixmap;
58 }
59
60public:
61 /// releases pixmap from cache
62 void destroy();
63
64 Pixmap m_pixmap; //< cached pixmap
65 FbTk::ImageControl &m_ctrl; //< cache control
66};
67
68} // namespace CachedPixmap
69
70#endif // FBTK_CACHED_PIXMAP