Final API changes.

Rename OutputHandler::mipmap method to beginImage.
Add NVTT_VERSION.
Add nvtt::version function.

src/nvtt/Compressor.cpp

@@ -384,7 +384,7 @@ bool Compressor::Private::compressMipmaps(uint f, const InputOptions::Private &
 		if (outputOptions.outputHandler)
 		{
 			int size = computeImageSize(w, h, d, compressionOptions.bitcount, compressionOptions.format);
-			outputOptions.outputHandler->mipmap(size, w, h, d, f, m);
+			outputOptions.outputHandler->beginImage(size, w, h, d, f, m);
 		}
 
 		// @@ Where to do the color transform?

src/nvtt/OutputOptions.h

@@ -39,7 +39,7 @@ namespace nvtt
 		{
 		}
 		
-		virtual void mipmap(int size, int width, int height, int depth, int face, int miplevel)
+		virtual void beginImage(int size, int width, int height, int depth, int face, int miplevel)
 		{
 			// ignore.
 		}

src/nvtt/nvtt.cpp

@@ -47,3 +47,9 @@ const char * nvtt::errorString(Error e)
 	return "Invalid error";
 }
 
+/// Return NVTT version.
+unsigned int nvtt::version()
+{
+	return NVTT_VERSION;
+}
+

src/nvtt/nvtt.h

@@ -47,6 +47,8 @@
 #	define NVTT_API
 #endif
 
+#define NVTT_VERSION 200
+
 
 // Public interface.
 namespace nvtt
@@ -162,7 +164,7 @@ namespace nvtt
 	{
 		AlphaMode_None,
 		AlphaMode_Transparency,
-   		AlphaMode_Premultiplied,
+		AlphaMode_Premultiplied,
 	};
 
 	/// Input options. Specify format and layout of the input texture.
@@ -225,7 +227,7 @@ namespace nvtt
 		virtual ~OutputHandler() {}
 		
 		/// Indicate the start of a new compressed image that's part of the final texture.
-		virtual void mipmap(int size, int width, int height, int depth, int face, int miplevel) = 0;
+		virtual void beginImage(int size, int width, int height, int depth, int face, int miplevel) = 0;
 		
 		/// Output data. Compressed data is output as soon as it's generated to minimize memory allocations.
 		virtual bool writeData(const void * data, int size) = 0;
@@ -298,6 +300,8 @@ namespace nvtt
 	// Return string for the given error code.
 	NVTT_API const char * errorString(Error e);
 
+	// Return NVTT version.
+	NVTT_API unsigned int version();
 
 } // nvtt namespace
 

src/nvtt/nvtt_wrapper.cpp

@@ -201,3 +201,8 @@ const char * nvttErrorString(NvttError e)
 {
 	return nvtt::errorString((nvtt::Error)e);
 }
+
+unsigned int nvttVersion()
+{
+	return nvtt::version();
+}

src/nvtt/nvtt_wrapper.h

@@ -47,6 +47,8 @@
 #	define NVTT_API
 #endif
 
+#define NVTT_VERSION 200
+
 #ifdef __cplusplus
 typedef struct nvtt::InputOptions NvttInputOptions;
 typedef struct nvtt::CompressionOptions NvttCompressionOptions;
@@ -230,6 +232,7 @@ NVTT_API int nvttEstimateSize(const NvttCompressor * compressor, const NvttInput
 
 // Global functions.
 NVTT_API const char * nvttErrorString(NvttError e);
+NVTT_API unsigned int nvttVersion();
 
 
 #ifdef __cplusplus

src/nvtt/tools/compress.cpp

@@ -51,7 +51,7 @@ struct MyOutputHandler : public nvtt::OutputHandler
 		verbose = b;
 	}
 
-	virtual void mipmap(int size, int width, int height, int depth, int face, int miplevel)
+	virtual void beginImage(int size, int width, int height, int depth, int face, int miplevel)
 	{
 		// ignore.
 	}