This patch hopefully fixes bug #233, but now we only have static registration...

This patch hopefully fixes bug #233, but now we only have static registration of file types. In the future, we may have to find another solution for dynamic file type extensions by shared libraries (IO plugins).

cmake @ 15115c56

-Subproject commit 809ae57efe0fb1b44c069aacfabd3f5f988cafdb
+Subproject commit 15115c56e314569265d0ca4bba3fad1993c2777f

include/ACGL/OpenGL/Controller/TextureDataControlFileJPG.hh

@@ -9,12 +9,15 @@
 #include <ACGL/ACGL.hh>
 
 #include <ACGL/OpenGL/Controller/TextureDataControlFile.hh>
+#include <ACGL/OpenGL/InitStaticFileTypes.hh>
 
 namespace ACGL{
 namespace OpenGL{
 
 class TextureDataControlFileJPG : public TextureDataControlFile
 {
+    friend void initStaticFileTypes(void);
+
     // ========================================================================================================= \/
     // ============================================================================================ CONSTRUCTORS \/
     // ========================================================================================================= \/
@@ -38,6 +41,9 @@ private:
 public:
     static int_t getTypeID(void) { return sTypeID; }
 
+private:
+    static int_t registerType(void);
+
     // =================================================================================================== \/
     // ============================================================================================ FIELDS \/
     // =================================================================================================== \/

include/ACGL/OpenGL/Controller/TextureDataControlFilePNG.hh

@@ -9,12 +9,15 @@
 #include <ACGL/ACGL.hh>
 
 #include <ACGL/OpenGL/Controller/TextureDataControlFile.hh>
+#include <ACGL/OpenGL/InitStaticFileTypes.hh>
 
 namespace ACGL{
 namespace OpenGL{
 
 class TextureDataControlFilePNG : public TextureDataControlFile
 {
+    friend void initStaticFileTypes(void);
+
     // ========================================================================================================= \/
     // ============================================================================================ CONSTRUCTORS \/
     // ========================================================================================================= \/
@@ -38,6 +41,9 @@ private:
 public:
     static int_t getTypeID(void) { return sTypeID; }
 
+private:
+    static int_t registerType(void);
+
     // =================================================================================================== \/
     // ============================================================================================ FIELDS \/
     // =================================================================================================== \/

src/ACGL/OpenGL/Controller/TextureDataControlFileJPG.cc

@@ -31,4 +31,10 @@ bool TextureDataControlFileJPG::load(SharedTextureData& texture) const
     return true;
 }
 
-int_t TextureDataControlFileJPG::sTypeID = TextureDataControlFileFactory::the()->registerType("jpg", &TextureDataControlFileJPG::creator);
+int_t TextureDataControlFileJPG::registerType(void)
+{
+    sTypeID = TextureDataControlFileFactory::the()->registerType("jpg", &TextureDataControlFileJPG::creator);
+    return sTypeID;
+}
+
+int_t TextureDataControlFileJPG::sTypeID = -1;

src/ACGL/OpenGL/Controller/TextureDataControlFilePNG.cc

@@ -31,4 +31,10 @@ bool TextureDataControlFilePNG::load(SharedTextureData& texture) const
     return true;
 }
 
-int_t TextureDataControlFilePNG::sTypeID = TextureDataControlFileFactory::the()->registerType("png", &TextureDataControlFilePNG::creator);
+int_t TextureDataControlFilePNG::registerType(void)
+{
+    sTypeID = TextureDataControlFileFactory::the()->registerType("png", &TextureDataControlFilePNG::creator);
+    return sTypeID;
+}
+
+int_t TextureDataControlFilePNG::sTypeID = -1;

src/ACGL/OpenGL/InitStaticFileTypes.cc

@@ -12,7 +12,7 @@ using namespace ACGL::OpenGL;
 
 void ACGL::OpenGL::initStaticFileTypes(void)
 {
-    ACGL::Utils::debug() << "TextureDataControlFileJPG type ID: " << TextureDataControlFileJPG::getTypeID() << std::endl;
-    ACGL::Utils::debug() << "TextureDataControlFilePNG type ID: " << TextureDataControlFilePNG::getTypeID() << std::endl;
+    ACGL::Utils::debug() << "TextureDataControlFileJPG type ID: " << TextureDataControlFileJPG::registerType() << std::endl;
+    ACGL::Utils::debug() << "TextureDataControlFilePNG type ID: " << TextureDataControlFilePNG::registerType() << std::endl;
 }