From 8353c7bddd0e302335cf80ccf23835c18614077e Mon Sep 17 00:00:00 2001
From: Joao Carreira <jfmcarreira@gmail.com>
Date: Thu, 26 Mar 2015 01:13:27 +0000
Subject: [PATCH] Add FrameCrop code

---
 modules/FrameCrop.cpp | 81 +++++++++++++++++++++++++++++++++++++++++++
 modules/FrameCrop.h   | 57 ++++++++++++++++++++++++++++++
 2 files changed, 138 insertions(+)
 create mode 100644 modules/FrameCrop.cpp
 create mode 100644 modules/FrameCrop.h

diff --git a/modules/FrameCrop.cpp b/modules/FrameCrop.cpp
new file mode 100644
index 0000000..d4718cd
--- /dev/null
+++ b/modules/FrameCrop.cpp
@@ -0,0 +1,81 @@
+/*    This file is a part of plaYUVer project
+ *    Copyright (C) 2014-2015  by Luis Lucas      (luisfrlucas@gmail.com)
+ *                                Joao Carreira   (jfmcarreira@gmail.com)
+ *
+ *    This program is free software; you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation; either version 2 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program 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 General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License along
+ *   with this program; if not, write to the Free Software Foundation, Inc.,
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+/**
+ * \file     FrameCrop.cpp
+ * \brief    Crop a region of an image
+ */
+
+#include "FrameCrop.h"
+
+namespace plaYUVer
+{
+
+FrameCrop::FrameCrop()
+{
+  /* Module Definition */
+  m_iModuleType = FRAME_PROCESSING_MODULE;
+  m_pchModuleCategory = "Utilities";
+  m_pchModuleName = "FrameCrop";
+  m_pchModuleTooltip = "Crop a region of a frame";
+  m_uiNumberOfFrames = MODULE_REQUIRES_ONE_FRAME;
+  m_uiModuleRequirements = MODULE_REQUIRES_OPTIONS;
+
+  m_cModuleOptions.addOptions()/**/
+  ( "xPosition", m_uiXPosition, "X cordinate of the left-top corner of the crop region [0]" )/**/
+  ( "yPosition", m_uiYPosition, "Y cordinate of the left-top corner of the crop region [0]" )/**/
+  ( "width", m_iXSize, "Width of the crop region [-1]" )/**/
+  ( "height", m_iYSize, "Height of the crop region [-1]" );
+
+  m_pcCropedFrame = NULL;
+  m_uiXPosition = 0;
+  m_uiYPosition = 0;
+  m_iXSize = -1;
+  m_iYSize = -1;
+}
+
+Void FrameCrop::create( PlaYUVerFrame* frame )
+{
+  m_pcCropedFrame = NULL;
+  if( m_iXSize == -1 )
+  {
+    m_iXSize = frame->getWidth() - m_uiXPosition;
+  }
+  if( m_iYSize == -1 )
+  {
+    m_iYSize = frame->getHeight() - m_uiYPosition;
+  }
+  m_pcCropedFrame = new PlaYUVerFrame( m_iXSize, m_iYSize, frame->getPelFormat() );
+}
+
+PlaYUVerFrame* FrameCrop::process( PlaYUVerFrame* frame )
+{
+  m_pcCropedFrame->copyFrom( frame, m_uiXPosition, m_uiYPosition );
+  return m_pcCropedFrame;
+}
+
+Void FrameCrop::destroy()
+{
+  if( m_pcCropedFrame )
+    delete m_pcCropedFrame;
+  m_pcCropedFrame = NULL;
+}
+
+}  // NAMESPACE
+
diff --git a/modules/FrameCrop.h b/modules/FrameCrop.h
new file mode 100644
index 0000000..eee1f60
--- /dev/null
+++ b/modules/FrameCrop.h
@@ -0,0 +1,57 @@
+/*    This file is a part of plaYUVer project
+ *    Copyright (C) 2014-2015  by Luis Lucas      (luisfrlucas@gmail.com)
+ *                                Joao Carreira   (jfmcarreira@gmail.com)
+ *
+ *    This program is free software; you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation; either version 2 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program 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 General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License along
+ *   with this program; if not, write to the Free Software Foundation, Inc.,
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+/**
+ * \file     FrameCrop.h
+ * \brief    Crop a region of an image
+ */
+
+#ifndef __FRAMECROP_H__
+#define __FRAMECROP_H__
+
+#include "PlaYUVerModuleIf.h"
+
+namespace plaYUVer
+{
+
+class FrameCrop: public PlaYUVerModuleIf
+{
+REGISTER_CLASS_FACTORY( FrameCrop )
+
+private:
+  PlaYUVerFrame* m_pcCropedFrame;
+  UInt m_uiXPosition;
+  UInt m_uiYPosition;
+  Int m_iXSize;
+  Int m_iYSize;
+public:
+  FrameCrop();
+  virtual ~FrameCrop()
+  {
+  }
+  Void create( PlaYUVerFrame* );
+  PlaYUVerFrame* process( PlaYUVerFrame* );
+  Void destroy();
+
+};
+
+}  // NAMESPACE
+
+#endif // __FRAMECROP_H__
+