Merge pull request #1279 from Squareys/update-docs

Update docs (Logging, Preamble Copyright and embedded Textures)

doc/Preamble.txt

@@ -3,7 +3,7 @@
 Open Asset Import Library (assimp)
 ---------------------------------------------------------------------------
 
-Copyright (c) 2006-2012, assimp team
+Copyright (c) 2006-2017, assimp team
 
 All rights reserved.
 

doc/dox.h

@@ -472,22 +472,9 @@ Just derivate your own logger from the abstract base class LogStream and overwri
 
 @code
 // Example stream
-class myStream :
+class myStream : public LogStream
-	public LogStream
 {
 public:
-	// Constructor
-	myStream()
-	{
-		// empty
-	}
-
-	// Destructor
-	~myStream()
-	{
-		// empty
-	}
-
 	// Write womethink using your own functionality
 	void write(const char* message)
 	{
@@ -496,10 +483,10 @@ public:
 };
 
 // Select the kinds of messages you want to receive on this log stream
-const unsigned int severity = Logger::DEBUGGING|Logger::INFO|Logger::ERR|Logger::WARN;
+const unsigned int severity = Logger::Debugging|Logger::Info|Logger::Err|Logger::Warn;
 
 // Attaching it to the default logger
-Assimp::DefaultLogger::get()->attachStream( new myStream(), severity );
+Assimp::DefaultLogger::get()->attachStream( new myStream, severity );
 
 @endcode
 
@@ -512,10 +499,10 @@ flag set:
 @code
 
 unsigned int severity = 0;
-severity |= Logger::DEBUGGING;
+severity |= Logger::Debugging;
 
 // Detach debug messages from you self defined stream
-Assimp::DefaultLogger::get()->attachStream( new myStream(), severity );
+Assimp::DefaultLogger::get()->attachStream( new myStream, severity );
 
 @endcode
 
@@ -743,6 +730,8 @@ need them at all.
 Normally textures used by assets are stored in separate files, however,
 there are file formats embedding their textures directly into the model file.
 Such textures are loaded into an aiTexture structure.
+For embedded textures, the value of `AI_MATKEY_TEXTURE(textureType, index)` will be `*<index>` where
+`<index>` is the index of the texture in aiScene::mTextures.
 <br>
 There are two cases:
 <br>
@@ -930,7 +919,7 @@ All material key constants start with 'AI_MATKEY' (it's an ugly macro for histor
     <td><tt>TEXTURE(t,n)</tt></td>
     <td>aiString</td>
     <td>n/a</td>
-	<td>Defines the path to the n'th texture on the stack 't', where 'n' is any value >= 0 and 't' is one of the #aiTextureType enumerated values.</td>
+	<td>Defines the path of the n'th texture on the stack 't', where 'n' is any value >= 0 and 't' is one of the #aiTextureType enumerated values. Either a filepath or `*<index>`, where `<index>` is the index of an embedded texture in aiScene::mTextures.</td>
 	<td>See the 'Textures' section above.</td>
   </tr>