Added pure virtual function, KRTexture2D::GetDimensions(). Implemented GetDimensions in all KRTexture2D sub classes.

kraken/KRTextureTGA.cpp

@@ -73,6 +73,8 @@ KRTextureTGA::KRTextureTGA(KRContext &context, KRDataBlock *data, std::string na
     data->lock();
     TGA_HEADER *pHeader = (TGA_HEADER *)data->getStart();
     
+    m_dimensions.x = pHeader->width;
+    m_dimensions.y = pHeader->height;
     m_max_lod_max_dim = pHeader->width > pHeader->height ? pHeader->width : pHeader->height;
     m_min_lod_max_dim = m_max_lod_max_dim; // Mipmaps not yet supported for TGA images
     switch(pHeader->imagetype) {
@@ -415,6 +417,11 @@ long KRTextureTGA::getMemRequiredForSize(int max_dim)
     return m_imageSize;
 }
 
+Vector2i KRTextureTGA::getDimensions() const
+{
+  return m_dimensions;
+}
+
 std::string KRTextureTGA::getExtension()
 {
     return "tga";