summaryrefslogtreecommitdiff
path: root/src/graphics/Filterfliprgb.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/graphics/Filterfliprgb.cpp')
-rw-r--r--src/graphics/Filterfliprgb.cpp92
1 files changed, 92 insertions, 0 deletions
diff --git a/src/graphics/Filterfliprgb.cpp b/src/graphics/Filterfliprgb.cpp
new file mode 100644
index 0000000..8a0e8c3
--- /dev/null
+++ b/src/graphics/Filterfliprgb.cpp
@@ -0,0 +1,92 @@
+//
+// libavg - Media Playback Engine.
+// Copyright (C) 2003-2014 Ulrich von Zadow
+//
+// 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
+//
+// Current versions can be found at www.libavg.de
+//
+
+#include "Filterfliprgb.h"
+#include "Pixeldefs.h"
+
+#include "../base/Exception.h"
+
+#include <iostream>
+
+using namespace std;
+
+namespace avg {
+
+FilterFlipRGB::FilterFlipRGB(bool bChangePF)
+ : Filter(),
+ m_bChangePF(bChangePF)
+{
+}
+
+FilterFlipRGB::~FilterFlipRGB()
+{
+
+}
+
+void FilterFlipRGB::applyInPlace(BitmapPtr pBmp)
+{
+ AVG_ASSERT(pBmp->getBytesPerPixel() >= 3);
+ PixelFormat PF = pBmp->getPixelFormat();
+ if (m_bChangePF) {
+ switch(PF) {
+ case B8G8R8A8:
+ pBmp->setPixelFormat(R8G8B8A8);
+ break;
+ case B8G8R8X8:
+ pBmp->setPixelFormat(R8G8B8X8);
+ break;
+ case R8G8B8A8:
+ pBmp->setPixelFormat(B8G8R8A8);
+ break;
+ case R8G8B8X8:
+ pBmp->setPixelFormat(B8G8R8X8);
+ break;
+ case R8G8B8:
+ pBmp->setPixelFormat(B8G8R8);
+ break;
+ case B8G8R8:
+ pBmp->setPixelFormat(R8G8B8);
+ break;
+ default:
+ // Only 24 and 32 bpp supported.
+ AVG_ASSERT(false);
+ }
+ }
+ IntPoint size = pBmp->getSize();
+ for (int y = 0; y < size.y; y++) {
+ unsigned char * pLine = pBmp->getPixels()+y*pBmp->getStride();
+ if (pBmp->getBytesPerPixel() == 4) {
+ for (int x = 0; x < size.x; x++) {
+ unsigned char tmp = pLine[x*4+REDPOS];
+ pLine[x*4+REDPOS] = pLine[x*4+BLUEPOS];
+ pLine[x*4+BLUEPOS] = tmp;
+ }
+ } else {
+ for (int x = 0; x < size.x; x++) {
+ unsigned char tmp = pLine[x*3+REDPOS];
+ pLine[x*3+REDPOS] = pLine[x*3+BLUEPOS];
+ pLine[x*3+BLUEPOS] = tmp;
+ }
+ }
+ }
+}
+
+} // namespace