Add TGA image loaders

IO/CMakeLists.txt

@@ -83,6 +83,10 @@ SET( SOURCES ${SOURCES} "third_party/tga/targa.c" )
 SET( HEADERS ${HEADERS} "third_party/tga/targa.h" )
 INCLUDE_DIRECTORIES( ${FasTC_SOURCE_DIR}/IO/third_party/tga )
 
+# Add TGA loaders
+SET( SOURCES ${SOURCES} "src/ImageLoaderTGA.cpp" )
+SET( HEADERS ${HEADERS} "src/ImageLoaderTGA.h" )
+
 CONFIGURE_FILE(
 	"config/ImageLoader.h.in"
 	"include/ImageLoader.h"

IO/include/ImageFileFormat.h

@@ -47,6 +47,7 @@
 enum EImageFileFormat {
   eFileFormat_PNG,
   eFileFormat_PVR,
+  eFileFormat_TGA,
 
   kNumImageFileFormats
 };

IO/src/ImageFile.cpp

@@ -65,6 +65,8 @@
 #  include "ImageLoaderPVR.h"
 #endif
 
+#include "ImageLoaderTGA.h"
+
 //////////////////////////////////////////////////////////////////////////////////////////
 //
 // Static helper functions
@@ -196,6 +198,10 @@ FasTC::Image<> *ImageFile::LoadImage() const {
       break;
 #endif // PVRTEXLIB_FOUND
 
+    case eFileFormat_TGA:
+      loader = new ImageLoaderTGA(m_FileData, m_FileDataSz);
+      break;
+
     default:
       fprintf(stderr, "Unable to load image: unknown file format.\n");
       return NULL;

IO/src/ImageLoaderTGA.cpp

@@ -0,0 +1,85 @@
+/* FasTC
+ * Copyright (c) 2013 University of North Carolina at Chapel Hill.
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for educational, research, and non-profit purposes, without
+ * fee, and without a written agreement is hereby granted, provided that the
+ * above copyright notice, this paragraph, and the following four paragraphs
+ * appear in all copies.
+ *
+ * Permission to incorporate this software into commercial products may be
+ * obtained by contacting the authors or the Office of Technology Development
+ * at the University of North Carolina at Chapel Hill <otd@unc.edu>.
+ *
+ * This software program and documentation are copyrighted by the University of
+ * North Carolina at Chapel Hill. The software program and documentation are
+ * supplied "as is," without any accompanying services from the University of
+ * North Carolina at Chapel Hill or the authors. The University of North
+ * Carolina at Chapel Hill and the authors do not warrant that the operation of
+ * the program will be uninterrupted or error-free. The end-user understands
+ * that the program was developed for research purposes and is advised not to
+ * rely exclusively on the program for any reason.
+ *
+ * IN NO EVENT SHALL THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL OR THE
+ * AUTHORS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL,
+ * OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF
+ * THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF NORTH CAROLINA
+ * AT CHAPEL HILL OR THE AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL AND THE AUTHORS SPECIFICALLY
+ * DISCLAIM ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ANY 
+ * STATUTORY WARRANTY OF NON-INFRINGEMENT. THE SOFTWARE PROVIDED HEREUNDER IS ON
+ * AN "AS IS" BASIS, AND THE UNIVERSITY  OF NORTH CAROLINA AT CHAPEL HILL AND
+ * THE AUTHORS HAVE NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, 
+ * ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Please send all BUG REPORTS to <pavel@cs.unc.edu>.
+ *
+ * The authors may be contacted via:
+ *
+ * Pavel Krajcevski
+ * Dept of Computer Science
+ * 201 S Columbia St
+ * Frederick P. Brooks, Jr. Computer Science Bldg
+ * Chapel Hill, NC 27599-3175
+ * USA
+ * 
+ * <http://gamma.cs.unc.edu/FasTC/>
+ */
+
+#include "ImageLoaderTGA.h"
+
+#include <algorithm>
+#include <cstdio>
+#include <cassert>
+#include <iostream>
+
+#include "TexCompTypes.h"
+
+#include "targa.h"
+
+static void ReportError(const char *msg) {
+  fprintf(stderr, "ERROR: ImageLoaderTGA -- %s\n", msg);
+}
+
+ImageLoaderTGA::ImageLoaderTGA(const uint8 *rawData, const int32 rawDataSz)
+  : ImageLoader(rawData, rawDataSz)
+{ }
+
+ImageLoaderTGA::~ImageLoaderTGA() { }
+
+bool ImageLoaderTGA::ReadData() {
+  Targa tga;
+  targa_loadFromData(&tga, m_RawData, m_NumRawDataBytes);
+
+  m_Width = tga.width;
+  m_Height = tga.height;
+
+  assert(tga.imagelength == m_Width * m_Height * 4);
+
+  return LoadFromPixelBuffer(reinterpret_cast<uint32 *>(tga.image));
+}
+

IO/src/ImageLoaderTGA.h

@@ -0,0 +1,66 @@
+/* FasTC
+ * Copyright (c) 2013 University of North Carolina at Chapel Hill.
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for educational, research, and non-profit purposes, without
+ * fee, and without a written agreement is hereby granted, provided that the
+ * above copyright notice, this paragraph, and the following four paragraphs
+ * appear in all copies.
+ *
+ * Permission to incorporate this software into commercial products may be
+ * obtained by contacting the authors or the Office of Technology Development
+ * at the University of North Carolina at Chapel Hill <otd@unc.edu>.
+ *
+ * This software program and documentation are copyrighted by the University of
+ * North Carolina at Chapel Hill. The software program and documentation are
+ * supplied "as is," without any accompanying services from the University of
+ * North Carolina at Chapel Hill or the authors. The University of North
+ * Carolina at Chapel Hill and the authors do not warrant that the operation of
+ * the program will be uninterrupted or error-free. The end-user understands
+ * that the program was developed for research purposes and is advised not to
+ * rely exclusively on the program for any reason.
+ *
+ * IN NO EVENT SHALL THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL OR THE
+ * AUTHORS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL,
+ * OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF
+ * THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF NORTH CAROLINA
+ * AT CHAPEL HILL OR THE AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL AND THE AUTHORS SPECIFICALLY
+ * DISCLAIM ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ANY 
+ * STATUTORY WARRANTY OF NON-INFRINGEMENT. THE SOFTWARE PROVIDED HEREUNDER IS ON
+ * AN "AS IS" BASIS, AND THE UNIVERSITY  OF NORTH CAROLINA AT CHAPEL HILL AND
+ * THE AUTHORS HAVE NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, 
+ * ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Please send all BUG REPORTS to <pavel@cs.unc.edu>.
+ *
+ * The authors may be contacted via:
+ *
+ * Pavel Krajcevski
+ * Dept of Computer Science
+ * 201 S Columbia St
+ * Frederick P. Brooks, Jr. Computer Science Bldg
+ * Chapel Hill, NC 27599-3175
+ * USA
+ * 
+ * <http://gamma.cs.unc.edu/FasTC/>
+ */
+
+#ifndef IO_SRC_IMAGELOADERTGA_H_
+#define IO_SRC_IMAGELOADERTGA_H_
+
+#include "ImageLoader.h"
+
+class ImageLoaderTGA : public ImageLoader {
+ public:
+  ImageLoaderTGA(const uint8 *rawData, const int32 rawDataSz);
+  virtual ~ImageLoaderTGA();
+
+  virtual bool ReadData();
+};
+
+#endif // IO_SRC_IMAGELOADERTGA_H_