1 files changed, 142 insertions, 0 deletions
diff --git a/Source/++DFB/examples/dfbimage.cpp b/Source/++DFB/examples/dfbimage.cpp
new file mode 100755
index 0000000..8635334
--- /dev/null
+++ b/Source/++DFB/examples/dfbimage.cpp
@@ -0,0 +1,142 @@
+/*
+   (c) Copyright 2000-2002  convergence integrated media GmbH.
+   All rights reserved.
+
+   Written by Denis Oliver Kropp <dok@convergence.de>,
+              Andreas Hundt <andi@convergence.de> and
+              Sven Neumann <sven@convergence.de>
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <iostream>
+
+#include "dfbimage.h"
+
+DFBImage::DFBImage()
+{
+     m_filename = "";
+}
+
+DFBImage::DFBImage( std::string filename )
+{
+     m_filename = "";
+
+     LoadImage( filename );
+}
+
+DFBImage::~DFBImage()
+{
+     DisposeImage();
+}
+
+int
+DFBImage::GetWidth()
+{
+     int width = 0;
+
+     if (m_surface)
+          m_surface.GetSize( &width, NULL );
+
+     return width;
+}
+
+int
+DFBImage::GetHeight()
+{
+     int height = 0;
+
+     if (m_surface)
+          m_surface.GetSize( NULL, &height );
+
+     return height;
+}
+
+void
+DFBImage::LoadImage( std::string  filename,
+                     unsigned int width,
+                     unsigned int height )
+{
+     IDirectFB              dfb;
+     IDirectFBImageProvider provider;
+     IDirectFBSurface       surface;
+
+     DisposeImage();
+
+     DFBSurfaceDescription desc;
+
+     dfb = DirectFB::Create();
+
+     provider = dfb.CreateImageProvider( filename.data() );
+
+     provider.GetImageDescription( &m_desc );
+
+     provider.GetSurfaceDescription( &desc );
+
+     if (width)
+          desc.width = width;
+
+     if (height)
+          desc.height = height;
+
+     surface = dfb.CreateSurface( desc );
+
+     provider.RenderTo( surface, NULL );
+
+     m_flags = DSBLIT_NOFX;
+
+     if (m_desc.caps & DICAPS_ALPHACHANNEL)
+          DFB_ADD_BLITTING_FLAG( m_flags, DSBLIT_BLEND_ALPHACHANNEL );
+
+     if (m_desc.caps & DICAPS_COLORKEY) {
+          DFB_ADD_BLITTING_FLAG( m_flags, DSBLIT_SRC_COLORKEY );
+
+          surface.SetSrcColorKey( m_desc.colorkey_r,
+                                  m_desc.colorkey_g,
+                                  m_desc.colorkey_b );
+     }
+
+     m_filename = filename;
+     m_surface  = surface;
+}
+
+void
+DFBImage::ReloadImage( int width, int height )
+{
+     if (m_surface) {
+          int w, h;
+
+          m_surface.GetSize( &w, &h );
+
+          if ((!width || width == w) && (!height || height == h))
+               return;
+     }
+
+     LoadImage( m_filename, width, height );
+}
+
+void
+DFBImage::PrepareTarget( IDirectFBSurface &target )
+{
+     target.SetBlittingFlags( m_flags );
+}
+
+void
+DFBImage::DisposeImage()
+{
+     m_surface = NULL;
+}
+