Start working on command line tool -- Currently just making sure that everything builds and links. Also rearranged some function definitions to better accomodate this.

CLTool/CMakeLists.txt

@@ -0,0 +1,18 @@
+
+IF( MSVC )
+	SET( SOURCES "src/clwin32.cpp" )
+ELSE()
+	SET( SOURCES "src/clunix.cpp" )
+ENDIF()
+
+INCLUDE_DIRECTORIES( ${TexC_SOURCE_DIR}/Core/include )
+INCLUDE_DIRECTORIES( ${TexC_SOURCE_DIR}/IO/include )
+
+ADD_EXECUTABLE(
+	tc
+	${SOURCES}
+)
+
+TARGET_LINK_LIBRARIES( tc TexCompIO )
+TARGET_LINK_LIBRARIES( tc TexCompCore )
+TARGET_LINK_LIBRARIES( tc BPTCEncoder )

CLTool/src/clunix.cpp

@@ -0,0 +1,21 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "TexComp.h"
+
+int main(int argc, char **argv) {
+
+  if(argc != 2) {
+    fprintf(stderr, "Usage: %s <imagefile>\n", argv[0]);
+    exit(1);
+  }
+
+  ImageFile file (argv[1]);
+  
+  SCompressionSettings settings;
+  CompressedImage *ci = CompressImage(file, settings);
+
+  // Cleanup 
+  delete ci;
+  return 0;
+}

CLTool/src/clwin32.cpp

@@ -0,0 +1,3 @@
+
+int main(int argc, char **argv) {
+}

CMakeLists.txt

@@ -4,3 +4,5 @@ PROJECT(TexC)
 ADD_SUBDIRECTORY(BPTCEncoder)
 ADD_SUBDIRECTORY(IO)
 ADD_SUBDIRECTORY(Core)
+
+ADD_SUBDIRECTORY(CLTool)

Core/include/CompressedImage.h

@@ -20,6 +20,7 @@ class CompressedImage {
 
   void InitData(const unsigned char *withData);
  public:
+  CompressedImage();
   CompressedImage(
     const unsigned int width, 
     const unsigned int height, 

Core/include/TexComp.h

@@ -11,9 +11,8 @@ struct SCompressionSettings {
   int iNumThreads;
 };
 
-extern void CompressImage(
+extern CompressedImage * CompressImage(
   const ImageFile &, 
-  CompressedImage &, 
   const SCompressionSettings &settings
 );
 

Core/src/CompressedImage.cpp

@@ -3,6 +3,13 @@
 #include <string.h>
 #include <stdlib.h>
 
+CompressedImage::CompressedImage()
+  : m_Width(0)
+  , m_Height(0)
+  , m_Format(ECompressionFormat(-1))
+  , m_Data(0)
+{ }
+
 CompressedImage::CompressedImage( const CompressedImage &other )
   : m_Width(other.m_Width)
   , m_Height(other.m_Height)

Core/src/TexComp.cpp

@@ -17,9 +17,8 @@ static void ReportError(const char *msg) {
   fprintf(stderr, "TexComp -- %s\n", msg);
 }
 
-void CompressImage(
+CompressedImage * CompressImage(
   const ImageFile &img, 
-  CompressedImage &outImg, 
   const SCompressionSettings &settings
 ) { 
   
@@ -35,21 +34,25 @@ void CompressImage(
 
   if(cmpDataSz == 0) {
     ReportError("Unknown compression format");
-    return;
+    return NULL;
   }
 
+  CompressedImage *outImg = NULL;
   unsigned char *cmpData = new unsigned char[cmpDataSz];
 
   CompressionFunc f = ChooseFuncFromSettings(settings);
   if(f) {
     (*f)(img.GetPixels(), cmpData, img.GetWidth(), img.GetHeight());
-    outImg = CompressedImage(img.GetWidth(), img.GetHeight(), settings.format, cmpData);
+    outImg = new CompressedImage(img.GetWidth(), img.GetHeight(), settings.format, cmpData);
   }
   else {
     ReportError("Could not find adequate compression function for specified settings");
-    // return
+    delete [] cmpData;
+    return NULL;
   }
 
   // Cleanup
   delete [] cmpData;
+
+  return outImg;
 }