cached pixmap helper, works like auto ptr for cached pixmaps

1 files changed, 51 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 @@
+// CachedPixmap.hh
+// Copyright (c) 2006 Fluxbox Team (fluxgen at fluxbox dot org)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+#include "CachedPixmap.hh"
+#include "ImageControl.hh"
+
+namespace FbTk {
+
+CachedPixmap::CachedPixmap( FbTk::ImageControl& ctrl ):
+    m_pixmap( 0 ),
+    m_ctrl( ctrl ) {
+}
+
+CachedPixmap::CachedPixmap( FbTk::ImageControl& ctrl, Pixmap pm ):
+    m_pixmap( pm ),
+    m_ctrl( ctrl ) { }
+
+CachedPixmap::~CachedPixmap() {
+    destroy();
+}
+
+void CachedPixmap::reset( Pixmap pm ) {
+    destroy();
+    m_pixmap = pm;
+}
+
+void CachedPixmap::destroy() {
+    if ( m_pixmap != 0 ) {
+        m_ctrl.removeImage( m_pixmap );
+    }
+}
+
+}