diff --git a/juce_amalgamated.cpp b/juce_amalgamated.cpp
index 184a87aeba..b4dcb5ad2c 100644
--- a/juce_amalgamated.cpp
+++ b/juce_amalgamated.cpp
@@ -21380,6 +21380,9 @@ private:
 		DetachMovieFromCurrentThread (movie);
 #endif
 	}
+
+	QTAudioReader (const QTAudioReader&);
+	QTAudioReader& operator= (const QTAudioReader&);
 };
 
 QuickTimeAudioFormat::QuickTimeAudioFormat()
@@ -24876,23 +24879,22 @@ END_JUCE_NAMESPACE
 /*** Start of inlined file: juce_MidiOutput.cpp ***/
 BEGIN_JUCE_NAMESPACE
 
-MidiOutput::MidiOutput() throw()
+MidiOutput::MidiOutput()
 	: Thread ("midi out"),
 	  internal (0),
 	  firstMessage (0)
 {
 }
 
-MidiOutput::PendingMessage::PendingMessage (const uint8* const data,
-											const int len,
-											const double sampleNumber) throw()
+MidiOutput::PendingMessage::PendingMessage (const uint8* const data, const int len,
+											const double sampleNumber)
 	: message (data, len, sampleNumber)
 {
 }
 
 void MidiOutput::sendBlockOfMessages (const MidiBuffer& buffer,
 									  const double millisecondCounterToStartAt,
-									  double samplesPerSecondForBuffer) throw()
+									  double samplesPerSecondForBuffer)
 {
 	// You've got to call startBackgroundThread() for this to actually work..
 	jassert (isThreadRunning());
@@ -24936,7 +24938,7 @@ void MidiOutput::sendBlockOfMessages (const MidiBuffer& buffer,
 	notify();
 }
 
-void MidiOutput::clearAllPendingMessages() throw()
+void MidiOutput::clearAllPendingMessages()
 {
 	const ScopedLock sl (lock);
 
@@ -24948,12 +24950,12 @@ void MidiOutput::clearAllPendingMessages() throw()
 	}
 }
 
-void MidiOutput::startBackgroundThread() throw()
+void MidiOutput::startBackgroundThread()
 {
 	startThread (9);
 }
 
-void MidiOutput::stopBackgroundThread() throw()
+void MidiOutput::stopBackgroundThread()
 {
 	stopThread (5000);
 }
@@ -71342,6 +71344,9 @@ public:
 private:
 	AudioDeviceManager* const manager;
 	float level;
+
+	SimpleDeviceManagerInputLevelMeter (const SimpleDeviceManagerInputLevelMeter&);
+	SimpleDeviceManagerInputLevelMeter& operator= (const SimpleDeviceManagerInputLevelMeter&);
 };
 
 class MidiInputSelectorComponentListBox  : public ListBox,
@@ -92976,8 +92981,6 @@ ZEXTERN const uLongf * ZEXPORT get_crc_table	OF((void));
 
 BEGIN_JUCE_NAMESPACE
 
-using namespace zlibNamespace;
-
 // internal helper object that holds the zlib structures so they don't have to be
 // included publicly.
 class GZIPCompressorHelper
@@ -92993,6 +92996,7 @@ public:
 		  finished (false),
 		  shouldFinish (false)
 	{
+		using namespace zlibNamespace;
 		zerostruct (stream);
 
 		streamIsValid = (deflateInit2 (&stream, compLevel, Z_DEFLATED,
@@ -93002,6 +93006,7 @@ public:
 
 	~GZIPCompressorHelper()
 	{
+		using namespace zlibNamespace;
 		if (streamIsValid)
 			deflateEnd (&stream);
 	}
@@ -93019,6 +93024,7 @@ public:
 
 	int doNextBlock (uint8* const dest, const int destSize) throw()
 	{
+		using namespace zlibNamespace;
 		if (streamIsValid)
 		{
 			stream.next_in = data;
@@ -93051,7 +93057,7 @@ public:
 	}
 
 private:
-	z_stream stream;
+	zlibNamespace::z_stream stream;
 	uint8* data;
 	int dataSize, compLevel, strategy;
 	bool setParams, streamIsValid;
@@ -98728,28 +98734,28 @@ void  zcfree (voidpf opaque, voidpf ptr)
 
 BEGIN_JUCE_NAMESPACE
 
-using namespace zlibNamespace;
-
 // internal helper object that holds the zlib structures so they don't have to be
 // included publicly.
 class GZIPDecompressHelper
 {
 public:
-	GZIPDecompressHelper (const bool noWrap) throw()
-		: data (0),
-		  dataSize (0),
-		  finished (true),
+	GZIPDecompressHelper (const bool noWrap)
+		: finished (true),
 		  needsDictionary (false),
 		  error (true),
-		  streamIsValid (false)
+		  streamIsValid (false),
+		  data (0),
+		  dataSize (0)
 	{
+		using namespace zlibNamespace;
 		zerostruct (stream);
 		streamIsValid = (inflateInit2 (&stream, noWrap ? -MAX_WBITS : MAX_WBITS) == Z_OK);
 		finished = error = ! streamIsValid;
 	}
 
-	~GZIPDecompressHelper() throw()
+	~GZIPDecompressHelper()
 	{
+		using namespace zlibNamespace;
 		if (streamIsValid)
 			inflateEnd (&stream);
 	}
@@ -98762,8 +98768,9 @@ public:
 		dataSize = size;
 	}
 
-	int doNextBlock (uint8* const dest, const int destSize) throw()
+	int doNextBlock (uint8* const dest, const int destSize)
 	{
+		using namespace zlibNamespace;
 		if (streamIsValid && data != 0 && ! finished)
 		{
 			stream.next_in  = data;
@@ -98799,13 +98806,15 @@ public:
 		return 0;
 	}
 
+	bool finished, needsDictionary, error, streamIsValid;
+
 private:
-	z_stream stream;
+	zlibNamespace::z_stream stream;
 	uint8* data;
 	int dataSize;
 
-public:
-	bool finished, needsDictionary, error, streamIsValid;
+	GZIPDecompressHelper (const GZIPDecompressHelper&);
+	GZIPDecompressHelper& operator= (const GZIPDecompressHelper&);
 };
 
 const int gzipDecompBufferSize = 32768;
@@ -114504,18 +114513,11 @@ void FLAC__window_welch(FLAC__real *window, const FLAC__int32 L)
 
 BEGIN_JUCE_NAMESPACE
 
-using namespace FlacNamespace;
-
 static const char* const flacFormatName = "FLAC file";
 static const tchar* const flacExtensions[] =    { T(".flac"), 0 };
 
 class FlacReader  : public AudioFormatReader
 {
-	FLAC__StreamDecoder* decoder;
-	AudioSampleBuffer reservoir;
-	int reservoirStart, samplesInReservoir;
-	bool ok, scanningForLength;
-
 public:
 
 	FlacReader (InputStream* const in)
@@ -114557,10 +114559,10 @@ public:
 
 	~FlacReader()
 	{
-		FLAC__stream_decoder_delete (decoder);
+		FlacNamespace::FLAC__stream_decoder_delete (decoder);
 	}
 
-	void useMetadata (const FLAC__StreamMetadata_StreamInfo& info)
+	void useMetadata (const FlacNamespace::FLAC__StreamMetadata_StreamInfo& info)
 	{
 		sampleRate = info.sample_rate;
 		bitsPerSample = info.bits_per_sample;
@@ -114637,7 +114639,7 @@ public:
 		return true;
 	}
 
-	void useSamples (const FLAC__int32* const buffer[], int numSamples)
+	void useSamples (const FlacNamespace::FLAC__int32* const buffer[], int numSamples)
 	{
 		if (scanningForLength)
 		{
@@ -114652,7 +114654,7 @@ public:
 
 			for (int i = 0; i < (int) numChannels; ++i)
 			{
-				const FLAC__int32* src = buffer[i];
+				const FlacNamespace::FLAC__int32* src = buffer[i];
 
 				int n = i;
 				while (src == 0 && n > 0)
@@ -114671,65 +114673,75 @@ public:
 		}
 	}
 
-	static FLAC__StreamDecoderReadStatus readCallback_ (const FLAC__StreamDecoder*, FLAC__byte buffer[], size_t* bytes, void* client_data)
+	static FlacNamespace::FLAC__StreamDecoderReadStatus readCallback_ (const FlacNamespace::FLAC__StreamDecoder*, FlacNamespace::FLAC__byte buffer[], size_t* bytes, void* client_data)
 	{
+		using namespace FlacNamespace;
 		*bytes = (unsigned int) ((const FlacReader*) client_data)->input->read (buffer, (int) *bytes);
 		return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
 	}
 
-	static FLAC__StreamDecoderSeekStatus seekCallback_ (const FLAC__StreamDecoder*, FLAC__uint64 absolute_byte_offset, void* client_data)
+	static FlacNamespace::FLAC__StreamDecoderSeekStatus seekCallback_ (const FlacNamespace::FLAC__StreamDecoder*, FlacNamespace::FLAC__uint64 absolute_byte_offset, void* client_data)
 	{
+		using namespace FlacNamespace;
 		((const FlacReader*) client_data)->input->setPosition ((int) absolute_byte_offset);
 		return FLAC__STREAM_DECODER_SEEK_STATUS_OK;
 	}
 
-	static FLAC__StreamDecoderTellStatus tellCallback_ (const FLAC__StreamDecoder*, FLAC__uint64* absolute_byte_offset, void* client_data)
+	static FlacNamespace::FLAC__StreamDecoderTellStatus tellCallback_ (const FlacNamespace::FLAC__StreamDecoder*, FlacNamespace::FLAC__uint64* absolute_byte_offset, void* client_data)
 	{
+		using namespace FlacNamespace;
 		*absolute_byte_offset = ((const FlacReader*) client_data)->input->getPosition();
 		return FLAC__STREAM_DECODER_TELL_STATUS_OK;
 	}
 
-	static FLAC__StreamDecoderLengthStatus lengthCallback_ (const FLAC__StreamDecoder*, FLAC__uint64* stream_length, void* client_data)
+	static FlacNamespace::FLAC__StreamDecoderLengthStatus lengthCallback_ (const FlacNamespace::FLAC__StreamDecoder*, FlacNamespace::FLAC__uint64* stream_length, void* client_data)
 	{
+		using namespace FlacNamespace;
 		*stream_length = ((const FlacReader*) client_data)->input->getTotalLength();
 		return FLAC__STREAM_DECODER_LENGTH_STATUS_OK;
 	}
 
-	static FLAC__bool eofCallback_ (const FLAC__StreamDecoder*, void* client_data)
+	static FlacNamespace::FLAC__bool eofCallback_ (const FlacNamespace::FLAC__StreamDecoder*, void* client_data)
 	{
 		return ((const FlacReader*) client_data)->input->isExhausted();
 	}
 
-	static FLAC__StreamDecoderWriteStatus writeCallback_ (const FLAC__StreamDecoder*,
-														  const FLAC__Frame* frame,
-														  const FLAC__int32* const buffer[],
-														  void* client_data)
+	static FlacNamespace::FLAC__StreamDecoderWriteStatus writeCallback_ (const FlacNamespace::FLAC__StreamDecoder*,
+																		 const FlacNamespace::FLAC__Frame* frame,
+																		 const FlacNamespace::FLAC__int32* const buffer[],
+																		 void* client_data)
 	{
+		using namespace FlacNamespace;
 		((FlacReader*) client_data)->useSamples (buffer, frame->header.blocksize);
 		return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
 	}
 
-	static void metadataCallback_ (const FLAC__StreamDecoder*,
-								   const FLAC__StreamMetadata* metadata,
+	static void metadataCallback_ (const FlacNamespace::FLAC__StreamDecoder*,
+								   const FlacNamespace::FLAC__StreamMetadata* metadata,
 								   void* client_data)
 	{
 		((FlacReader*) client_data)->useMetadata (metadata->data.stream_info);
 	}
 
-	static void errorCallback_ (const FLAC__StreamDecoder*, FLAC__StreamDecoderErrorStatus, void*)
+	static void errorCallback_ (const FlacNamespace::FLAC__StreamDecoder*, FlacNamespace::FLAC__StreamDecoderErrorStatus, void*)
 	{
 	}
 
 	juce_UseDebuggingNewOperator
+
+private:
+	FlacNamespace::FLAC__StreamDecoder* decoder;
+	AudioSampleBuffer reservoir;
+	int reservoirStart, samplesInReservoir;
+	bool ok, scanningForLength;
+
+	FlacReader (const FlacReader&);
+	FlacReader& operator= (const FlacReader&);
 };
 
 class FlacWriter  : public AudioFormatWriter
 {
-	FLAC__StreamEncoder* encoder;
-	MemoryBlock temp;
-
 public:
-	bool ok;
 
 	FlacWriter (OutputStream* const out,
 				const double sampleRate_,
@@ -114775,6 +114787,7 @@ public:
 
 	bool write (const int** samplesToWrite, int numSamples)
 	{
+		using namespace FlacNamespace;
 		if (! ok)
 			return false;
 
@@ -114812,8 +114825,9 @@ public:
 		return output->write (data, size);
 	}
 
-	static void packUint32 (FLAC__uint32 val, FLAC__byte* b, const int bytes)
+	static void packUint32 (FlacNamespace::FLAC__uint32 val, FlacNamespace::FLAC__byte* b, const int bytes)
 	{
+		using namespace FlacNamespace;
 		b += bytes;
 
 		for (int i = 0; i < bytes; ++i)
@@ -114823,7 +114837,7 @@ public:
 		}
 	}
 
-	void writeMetaData (const FLAC__StreamMetadata* metadata)
+	void writeMetaData (const FlacNamespace::FLAC__StreamMetadata* metadata)
 	{
 		using namespace FlacNamespace;
 		const FLAC__StreamMetadata_StreamInfo& info = metadata->data.stream_info;
@@ -114854,12 +114868,12 @@ public:
 		output->write (buffer, FLAC__STREAM_METADATA_STREAMINFO_LENGTH);
 	}
 
-	static FLAC__StreamEncoderWriteStatus encodeWriteCallback (const FLAC__StreamEncoder*,
-															   const FLAC__byte buffer[],
-															   size_t bytes,
-															   unsigned int /*samples*/,
-															   unsigned int /*current_frame*/,
-															   void* client_data)
+	static FlacNamespace::FLAC__StreamEncoderWriteStatus encodeWriteCallback (const FlacNamespace::FLAC__StreamEncoder*,
+																			  const FlacNamespace::FLAC__byte buffer[],
+																			  size_t bytes,
+																			  unsigned int /*samples*/,
+																			  unsigned int /*current_frame*/,
+																			  void* client_data)
 	{
 		using namespace FlacNamespace;
 		return ((FlacWriter*) client_data)->writeData (buffer, (int) bytes)
@@ -114867,13 +114881,15 @@ public:
 				: FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
 	}
 
-	static FLAC__StreamEncoderSeekStatus encodeSeekCallback (const FLAC__StreamEncoder*, FLAC__uint64, void*)
+	static FlacNamespace::FLAC__StreamEncoderSeekStatus encodeSeekCallback (const FlacNamespace::FLAC__StreamEncoder*, FlacNamespace::FLAC__uint64, void*)
 	{
+		using namespace FlacNamespace;
 		return FLAC__STREAM_ENCODER_SEEK_STATUS_UNSUPPORTED;
 	}
 
-	static FLAC__StreamEncoderTellStatus encodeTellCallback (const FLAC__StreamEncoder*, FLAC__uint64* absolute_byte_offset, void* client_data)
+	static FlacNamespace::FLAC__StreamEncoderTellStatus encodeTellCallback (const FlacNamespace::FLAC__StreamEncoder*, FlacNamespace::FLAC__uint64* absolute_byte_offset, void* client_data)
 	{
+		using namespace FlacNamespace;
 		if (client_data == 0)
 			return FLAC__STREAM_ENCODER_TELL_STATUS_UNSUPPORTED;
 
@@ -114881,14 +114897,23 @@ public:
 		return FLAC__STREAM_ENCODER_TELL_STATUS_OK;
 	}
 
-	static void encodeMetadataCallback (const FLAC__StreamEncoder*,
-										const FLAC__StreamMetadata* metadata,
+	static void encodeMetadataCallback (const FlacNamespace::FLAC__StreamEncoder*,
+										const FlacNamespace::FLAC__StreamMetadata* metadata,
 										void* client_data)
 	{
 		((FlacWriter*) client_data)->writeMetaData (metadata);
 	}
 
 	juce_UseDebuggingNewOperator
+
+	bool ok;
+
+private:
+	FlacNamespace::FLAC__StreamEncoder* encoder;
+	MemoryBlock temp;
+
+	FlacWriter (const FlacWriter&);
+	FlacWriter& operator= (const FlacWriter&);
 };
 
 FlacAudioFormat::FlacAudioFormat()
@@ -171239,15 +171264,13 @@ void _vorbis_apply_window(float *d,int *winno,long *blocksizes,
 
 BEGIN_JUCE_NAMESPACE
 
-using namespace OggVorbisNamespace;
-
 static const char* const oggFormatName = "Ogg-Vorbis file";
 static const tchar* const oggExtensions[] =    { T(".ogg"), 0 };
 
 class OggReader : public AudioFormatReader
 {
-	OggVorbis_File ovFile;
-	ov_callbacks callbacks;
+	OggVorbisNamespace::OggVorbis_File ovFile;
+	OggVorbisNamespace::ov_callbacks callbacks;
 	AudioSampleBuffer reservoir;
 	int reservoirStart, samplesInReservoir;
 
@@ -171259,6 +171282,7 @@ public:
 		  reservoirStart (0),
 		  samplesInReservoir (0)
 	{
+		using namespace OggVorbisNamespace;
 		sampleRate = 0;
 		usesFloatingPointData = true;
 
@@ -171371,7 +171395,7 @@ public:
 		return (size_t) (((InputStream*) datasource)->read (ptr, (int) (size * nmemb)) / size);
 	}
 
-	static int oggSeekCallback (void* datasource, ogg_int64_t offset, int whence)
+	static int oggSeekCallback (void* datasource, OggVorbisNamespace::ogg_int64_t offset, int whence)
 	{
 		InputStream* const in = (InputStream*) datasource;
 
@@ -171399,13 +171423,13 @@ public:
 
 class OggWriter  : public AudioFormatWriter
 {
-	ogg_stream_state os;
-	ogg_page og;
-	ogg_packet op;
-	vorbis_info vi;
-	vorbis_comment vc;
-	vorbis_dsp_state vd;
-	vorbis_block vb;
+	OggVorbisNamespace::ogg_stream_state os;
+	OggVorbisNamespace::ogg_page og;
+	OggVorbisNamespace::ogg_packet op;
+	OggVorbisNamespace::vorbis_info vi;
+	OggVorbisNamespace::vorbis_comment vc;
+	OggVorbisNamespace::vorbis_dsp_state vd;
+	OggVorbisNamespace::vorbis_block vb;
 
 public:
 	bool ok;
@@ -171420,6 +171444,7 @@ public:
 							 numChannels,
 							 bitsPerSample)
 	{
+		using namespace OggVorbisNamespace;
 		ok = false;
 
 		vorbis_info_init (&vi);
@@ -188412,53 +188437,91 @@ jcopy_markers_execute (j_decompress_ptr srcinfo, j_compress_ptr dstinfo,
 
 BEGIN_JUCE_NAMESPACE
 
-using namespace jpeglibNamespace;
+namespace JPEGHelpers
+{
+	using namespace jpeglibNamespace;
 
-#if ! JUCE_MSVC
- using jpeglibNamespace::boolean;
-#endif
+	#if ! JUCE_MSVC
+	 using jpeglibNamespace::boolean;
+	#endif
 
-struct JPEGDecodingFailure {};
+	struct JPEGDecodingFailure {};
 
-static void fatalErrorHandler (j_common_ptr)
-{
-	throw JPEGDecodingFailure();
-}
+	static void fatalErrorHandler (j_common_ptr)
+	{
+		throw JPEGDecodingFailure();
+	}
 
-static void silentErrorCallback1 (j_common_ptr)	 {}
-static void silentErrorCallback2 (j_common_ptr, int)	{}
-static void silentErrorCallback3 (j_common_ptr, char*)  {}
+	static void silentErrorCallback1 (j_common_ptr)	 {}
+	static void silentErrorCallback2 (j_common_ptr, int)	{}
+	static void silentErrorCallback3 (j_common_ptr, char*)  {}
 
-static void setupSilentErrorHandler (struct jpeg_error_mgr& err)
-{
-	zerostruct (err);
+	static void setupSilentErrorHandler (struct jpeg_error_mgr& err)
+	{
+		zerostruct (err);
 
-	err.error_exit = fatalErrorHandler;
-	err.emit_message = silentErrorCallback2;
-	err.output_message = silentErrorCallback1;
-	err.format_message = silentErrorCallback3;
-	err.reset_error_mgr = silentErrorCallback1;
-}
+		err.error_exit = fatalErrorHandler;
+		err.emit_message = silentErrorCallback2;
+		err.output_message = silentErrorCallback1;
+		err.format_message = silentErrorCallback3;
+		err.reset_error_mgr = silentErrorCallback1;
+	}
 
-static void dummyCallback1 (j_decompress_ptr)
-{
-}
+	static void dummyCallback1 (j_decompress_ptr)
+	{
+	}
 
-static void jpegSkip (j_decompress_ptr decompStruct, long num)
-{
-	decompStruct->src->next_input_byte += num;
+	static void jpegSkip (j_decompress_ptr decompStruct, long num)
+	{
+		decompStruct->src->next_input_byte += num;
 
-	num = jmin (num, (long) decompStruct->src->bytes_in_buffer);
-	decompStruct->src->bytes_in_buffer -= num;
-}
+		num = jmin (num, (long) decompStruct->src->bytes_in_buffer);
+		decompStruct->src->bytes_in_buffer -= num;
+	}
 
-static boolean jpegFill (j_decompress_ptr)
-{
-	return 0;
+	static boolean jpegFill (j_decompress_ptr)
+	{
+		return 0;
+	}
+
+	static const int jpegBufferSize = 512;
+
+	struct JuceJpegDest  : public jpeg_destination_mgr
+	{
+		OutputStream* output;
+		char* buffer;
+	};
+
+	static void jpegWriteInit (j_compress_ptr)
+	{
+	}
+
+	static void jpegWriteTerminate (j_compress_ptr cinfo)
+	{
+		JuceJpegDest* const dest = (JuceJpegDest*) cinfo->dest;
+
+		const size_t numToWrite = jpegBufferSize - dest->free_in_buffer;
+		dest->output->write (dest->buffer, (int) numToWrite);
+	}
+
+	static boolean jpegWriteFlush (j_compress_ptr cinfo)
+	{
+		JuceJpegDest* const dest = (JuceJpegDest*) cinfo->dest;
+
+		const int numToWrite = jpegBufferSize;
+
+		dest->next_output_byte = (JOCTET*) dest->buffer;
+		dest->free_in_buffer = jpegBufferSize;
+
+		return dest->output->write (dest->buffer, numToWrite);
+	}
 }
 
 Image* juce_loadJPEGImageFromStream (InputStream& in)
 {
+	using namespace jpeglibNamespace;
+	using namespace JPEGHelpers;
+
 	MemoryBlock mb;
 	in.readIntoMemoryBlock (mb);
 
@@ -188551,42 +188614,13 @@ Image* juce_loadJPEGImageFromStream (InputStream& in)
 	return image;
 }
 
-static const int jpegBufferSize = 512;
-
-struct JuceJpegDest  : public jpeg_destination_mgr
-{
-	OutputStream* output;
-	char* buffer;
-};
-
-static void jpegWriteInit (j_compress_ptr)
-{
-}
-
-static void jpegWriteTerminate (j_compress_ptr cinfo)
-{
-	JuceJpegDest* const dest = (JuceJpegDest*) cinfo->dest;
-
-	const size_t numToWrite = jpegBufferSize - dest->free_in_buffer;
-	dest->output->write (dest->buffer, (int) numToWrite);
-}
-
-static boolean jpegWriteFlush (j_compress_ptr cinfo)
-{
-	JuceJpegDest* const dest = (JuceJpegDest*) cinfo->dest;
-
-	const int numToWrite = jpegBufferSize;
-
-	dest->next_output_byte = (JOCTET*) dest->buffer;
-	dest->free_in_buffer = jpegBufferSize;
-
-	return dest->output->write (dest->buffer, numToWrite);
-}
-
 bool juce_writeJPEGImageToStream (const Image& image,
 								  OutputStream& out,
 								  float quality)
 {
+	using namespace jpeglibNamespace;
+	using namespace JPEGHelpers;
+
 	if (image.hasAlphaChannel())
 	{
 		// this method could fill the background in white and still save the image..
@@ -210995,27 +211029,43 @@ png_write_filtered_row(png_structp png_ptr, png_bytep filtered_row)
 
 BEGIN_JUCE_NAMESPACE
 
-using namespace pnglibNamespace;
-
 using ::calloc;
 using ::malloc;
 using ::free;
 
-static void pngReadCallback (png_structp pngReadStruct, png_bytep data, png_size_t length)
+namespace PNGHelpers
 {
-	InputStream* const in = (InputStream*) png_get_io_ptr (pngReadStruct);
-	in->read (data, (int) length);
-}
+	using namespace pnglibNamespace;
 
-struct PNGErrorStruct {};
+	static void readCallback (png_structp pngReadStruct, png_bytep data, png_size_t length)
+	{
+		using namespace pnglibNamespace;
+		InputStream* const in = (InputStream*) png_get_io_ptr (pngReadStruct);
+		in->read (data, (int) length);
+	}
+
+	struct PNGErrorStruct {};
+
+	static void errorCallback (png_structp, png_const_charp)
+	{
+		throw PNGErrorStruct();
+	}
+
+	static void writeDataCallback (png_structp png_ptr, png_bytep data, png_size_t length)
+	{
+		OutputStream* const out = (OutputStream*) png_ptr->io_ptr;
+
+		const bool ok = out->write (data, (int) length);
+
+		(void) ok;
+		jassert (ok);
+	}
 
-static void pngErrorCallback (png_structp, png_const_charp)
-{
-	throw PNGErrorStruct();
 }
 
 Image* juce_loadPNGImageFromStream (InputStream& in)
 {
+	using namespace pnglibNamespace;
 	Image* image = 0;
 
 	png_structp pngReadStruct;
@@ -211033,10 +211083,10 @@ Image* juce_loadPNGImageFromStream (InputStream& in)
 			return 0;
 		}
 
-		png_set_error_fn (pngReadStruct, 0, pngErrorCallback, pngErrorCallback);
+		png_set_error_fn (pngReadStruct, 0, PNGHelpers::errorCallback, PNGHelpers::errorCallback );
 
 		// read the header..
-		png_set_read_fn (pngReadStruct, &in, pngReadCallback);
+		png_set_read_fn (pngReadStruct, &in, PNGHelpers::readCallback);
 
 		png_uint_32 width, height;
 		int bitDepth, colorType, interlaceType;
@@ -211124,18 +211174,9 @@ Image* juce_loadPNGImageFromStream (InputStream& in)
 	return image;
 }
 
-static void pngWriteDataCallback (png_structp png_ptr, png_bytep data, png_size_t length)
-{
-	OutputStream* const out = (OutputStream*) png_ptr->io_ptr;
-
-	const bool ok = out->write (data, (int) length);
-
-	(void) ok;
-	jassert (ok);
-}
-
 bool juce_writePNGImageToStream (const Image& image, OutputStream& out)
 {
+	using namespace pnglibNamespace;
 	const int width = image.getWidth();
 	const int height = image.getHeight();
 
@@ -211152,7 +211193,7 @@ bool juce_writePNGImageToStream (const Image& image, OutputStream& out)
 		return false;
 	}
 
-	png_set_write_fn (pngWriteStruct, &out, pngWriteDataCallback, 0);
+	png_set_write_fn (pngWriteStruct, &out, PNGHelpers::writeDataCallback, 0);
 
 	png_set_IHDR (pngWriteStruct, pngInfoStruct, width, height, 8,
 				  image.hasAlphaChannel() ? PNG_COLOR_TYPE_RGB_ALPHA
@@ -239667,6 +239708,9 @@ private:
 
 	ScopedPointer <CharToGlyphMapper> charToGlyphMapper;
 #endif
+
+	MacTypeface (const MacTypeface&);
+	MacTypeface& operator= (const MacTypeface&);
 };
 
 const Typeface::Ptr Typeface::createSystemTypefaceFor (const Font& font)
@@ -239726,8 +239770,8 @@ public:
 					   const bool clearImage)
 		: Image (format_, imageWidth_, imageHeight_, clearImage)
 	{
-		CGColorSpaceRef colourSpace = format == Image::SingleChannel ? CGColorSpaceCreateDeviceGray()
-																	 : CGColorSpaceCreateDeviceRGB();
+		CGColorSpaceRef colourSpace = (format == Image::SingleChannel) ? CGColorSpaceCreateDeviceGray()
+																	   : CGColorSpaceCreateDeviceRGB();
 
 		context = CGBitmapContextCreate (imageData, imageWidth, imageHeight, 8, lineStride,
 										 colourSpace, getCGImageFlags (*this));
@@ -240130,8 +240174,8 @@ public:
 									state->fillType.colour.getFloatRed(), state->fillType.colour.getFloatGreen(),
 									state->fillType.colour.getFloatBlue(), state->fillType.colour.getFloatAlpha());
 
-		CGPoint line[] = { { (float) x1 + 0.5f, flipHeight - ((float) y1 + 0.5f) },
-						   { (float) x2 + 0.5f, flipHeight - ((float) y2 + 0.5f) } };
+		CGPoint line[] = { { (CGFloat) x1, flipHeight - (CGFloat) y1 },
+						   { (CGFloat) x2, flipHeight - (CGFloat) y2 } };
 
 		CGContextStrokeLineSegments (context, line, 1);
 	}
@@ -240225,7 +240269,7 @@ public:
 
 private:
 	CGContextRef context;
-	const float flipHeight;
+	const CGFloat flipHeight;
 	CGColorSpaceRef rgbColourSpace, greyColourSpace;
 	CGFunctionCallbacks gradientCallbacks;
 
@@ -240408,10 +240452,8 @@ private:
 		CGContextConcatCTM (context, t);
 	}
 
-	float flipY (float y) const
-	{
-		return flipHeight - y;
-	}
+	CoreGraphicsContext (const CoreGraphicsContext&);
+	CoreGraphicsContext& operator= (const CoreGraphicsContext&);
 };
 
 LowLevelGraphicsContext* CoreGraphicsImage::createLowLevelContext()
@@ -244063,6 +244105,9 @@ private:
 
 	ScopedPointer <CharToGlyphMapper> charToGlyphMapper;
 #endif
+
+	MacTypeface (const MacTypeface&);
+	MacTypeface& operator= (const MacTypeface&);
 };
 
 const Typeface::Ptr Typeface::createSystemTypefaceFor (const Font& font)
@@ -244122,8 +244167,8 @@ public:
 					   const bool clearImage)
 		: Image (format_, imageWidth_, imageHeight_, clearImage)
 	{
-		CGColorSpaceRef colourSpace = format == Image::SingleChannel ? CGColorSpaceCreateDeviceGray()
-																	 : CGColorSpaceCreateDeviceRGB();
+		CGColorSpaceRef colourSpace = (format == Image::SingleChannel) ? CGColorSpaceCreateDeviceGray()
+																	   : CGColorSpaceCreateDeviceRGB();
 
 		context = CGBitmapContextCreate (imageData, imageWidth, imageHeight, 8, lineStride,
 										 colourSpace, getCGImageFlags (*this));
@@ -244526,8 +244571,8 @@ public:
 									state->fillType.colour.getFloatRed(), state->fillType.colour.getFloatGreen(),
 									state->fillType.colour.getFloatBlue(), state->fillType.colour.getFloatAlpha());
 
-		CGPoint line[] = { { (float) x1 + 0.5f, flipHeight - ((float) y1 + 0.5f) },
-						   { (float) x2 + 0.5f, flipHeight - ((float) y2 + 0.5f) } };
+		CGPoint line[] = { { (CGFloat) x1, flipHeight - (CGFloat) y1 },
+						   { (CGFloat) x2, flipHeight - (CGFloat) y2 } };
 
 		CGContextStrokeLineSegments (context, line, 1);
 	}
@@ -244621,7 +244666,7 @@ public:
 
 private:
 	CGContextRef context;
-	const float flipHeight;
+	const CGFloat flipHeight;
 	CGColorSpaceRef rgbColourSpace, greyColourSpace;
 	CGFunctionCallbacks gradientCallbacks;
 
@@ -244804,10 +244849,8 @@ private:
 		CGContextConcatCTM (context, t);
 	}
 
-	float flipY (float y) const
-	{
-		return flipHeight - y;
-	}
+	CoreGraphicsContext (const CoreGraphicsContext&);
+	CoreGraphicsContext& operator= (const CoreGraphicsContext&);
 };
 
 LowLevelGraphicsContext* CoreGraphicsImage::createLowLevelContext()
diff --git a/juce_amalgamated.h b/juce_amalgamated.h
index 164bcbe2e6..68a790bd84 100644
--- a/juce_amalgamated.h
+++ b/juce_amalgamated.h
@@ -1894,6 +1894,10 @@ public:
 	};
 
 	typedef ScopedLockType ScopedUnlockType;
+
+private:
+	DummyCriticalSection (const DummyCriticalSection&);
+	DummyCriticalSection& operator= (const DummyCriticalSection&);
 };
 
 #endif   // __JUCE_CRITICALSECTION_JUCEHEADER__
@@ -7659,6 +7663,9 @@ private:
 	int64 currentPosition;
 	int bufferSize, bytesInBuffer;
 	HeapBlock <char> buffer;
+
+	FileOutputStream (const FileOutputStream&);
+	FileOutputStream& operator= (const FileOutputStream&);
 };
 
 #endif   // __JUCE_FILEOUTPUTSTREAM_JUCEHEADER__
@@ -8318,6 +8325,9 @@ private:
 	const char* data;
 	size_t dataSize, position;
 	MemoryBlock internalCopy;
+
+	MemoryInputStream (const MemoryInputStream&);
+	MemoryInputStream& operator= (const MemoryInputStream&);
 };
 
 #endif   // __JUCE_MEMORYINPUTSTREAM_JUCEHEADER__
@@ -8358,6 +8368,9 @@ private:
 	MemoryBlock* data;
 	ScopedPointer <MemoryBlock> dataToDelete;
 	size_t position, size, blockSize;
+
+	MemoryOutputStream (const MemoryOutputStream&);
+	MemoryOutputStream& operator= (const MemoryOutputStream&);
 };
 
 #endif   // __JUCE_MEMORYOUTPUTSTREAM_JUCEHEADER__
@@ -8522,6 +8535,9 @@ private:
 	const String expandEntity (const String& entity);
 	const String expandExternalEntity (const String& entity);
 	const String getParameterEntity (const String& entity);
+
+	XmlDocument (const XmlDocument&);
+	XmlDocument& operator= (const XmlDocument&);
 };
 
 #endif   // __JUCE_XMLDOCUMENT_JUCEHEADER__
@@ -13291,6 +13307,9 @@ private:
 	// xxx this is just here to cause a compile error in old code that hasn't been changed to use the new
 	// version of this method.
 	virtual short getFirstCommandTarget() { return 0; }
+
+	ApplicationCommandManager (const ApplicationCommandManager&);
+	ApplicationCommandManager& operator= (const ApplicationCommandManager&);
 };
 
 class JUCE_API  ApplicationCommandManagerListener
@@ -13777,6 +13796,9 @@ protected:
 
 private:
 	String formatName;
+
+	AudioFormatWriter (const AudioFormatWriter&);
+	AudioFormatWriter& operator= (const AudioFormatWriter&);
 };
 
 #endif   // __JUCE_AUDIOFORMATWRITER_JUCEHEADER__
@@ -15522,7 +15544,10 @@ protected:
 	void* internal;
 
 	MidiInput (const String& name);
+
+private:
 	MidiInput (const MidiInput&);
+	MidiInput& operator= (const MidiInput&);
 };
 
 #endif   // __JUCE_MIDIINPUT_JUCEHEADER__
@@ -15648,13 +15673,13 @@ public:
 
 	virtual void sendBlockOfMessages (const MidiBuffer& buffer,
 									  const double millisecondCounterToStartAt,
-									  double samplesPerSecondForBuffer) throw();
+									  double samplesPerSecondForBuffer);
 
-	virtual void clearAllPendingMessages() throw();
+	virtual void clearAllPendingMessages();
 
-	virtual void startBackgroundThread() throw();
+	virtual void startBackgroundThread();
 
-	virtual void stopBackgroundThread() throw();
+	virtual void stopBackgroundThread();
 
 	juce_UseDebuggingNewOperator
 
@@ -15663,7 +15688,7 @@ protected:
 
 	struct PendingMessage
 	{
-		PendingMessage (const uint8* const data, const int len, const double sampleNumber) throw();
+		PendingMessage (const uint8* data, int len, double sampleNumber);
 
 		MidiMessage message;
 		PendingMessage* next;
@@ -15674,10 +15699,12 @@ protected:
 	CriticalSection lock;
 	PendingMessage* firstMessage;
 
-	MidiOutput() throw();
-	MidiOutput (const MidiOutput&);
-
+	MidiOutput();
 	void run();
+
+private:
+	MidiOutput (const MidiOutput&);
+	MidiOutput& operator= (const MidiOutput&);
 };
 
 #endif   // __JUCE_MIDIOUTPUT_JUCEHEADER__
@@ -17548,6 +17575,9 @@ public:
 private:
 
 	AudioProcessor* const owner;
+
+	AudioProcessorEditor (const AudioProcessorEditor&);
+	AudioProcessorEditor& operator= (const AudioProcessorEditor&);
 };
 
 #endif   // __JUCE_AUDIOPROCESSOREDITOR_JUCEHEADER__
@@ -22755,6 +22785,9 @@ public:
 private:
 	ComponentBoundsConstrainer* constrainer;
 	Point<int> originalPos;
+
+	ComponentDragger (const ComponentDragger&);
+	ComponentDragger& operator= (const ComponentDragger&);
 };
 
 #endif   // __JUCE_COMPONENTDRAGGER_JUCEHEADER__
diff --git a/src/application/juce_ApplicationCommandManager.h b/src/application/juce_ApplicationCommandManager.h
index f947810d1b..09c732a9d0 100644
--- a/src/application/juce_ApplicationCommandManager.h
+++ b/src/application/juce_ApplicationCommandManager.h
@@ -331,6 +331,9 @@ private:
     // xxx this is just here to cause a compile error in old code that hasn't been changed to use the new
     // version of this method.
     virtual short getFirstCommandTarget() { return 0; }
+
+    ApplicationCommandManager (const ApplicationCommandManager&);
+    ApplicationCommandManager& operator= (const ApplicationCommandManager&);
 };
 
 
diff --git a/src/audio/audio_file_formats/juce_AudioFormatWriter.h b/src/audio/audio_file_formats/juce_AudioFormatWriter.h
index bb4317d53a..75836af036 100644
--- a/src/audio/audio_file_formats/juce_AudioFormatWriter.h
+++ b/src/audio/audio_file_formats/juce_AudioFormatWriter.h
@@ -162,6 +162,9 @@ protected:
 
 private:
     String formatName;
+
+    AudioFormatWriter (const AudioFormatWriter&);
+    AudioFormatWriter& operator= (const AudioFormatWriter&);
 };
 
 
diff --git a/src/audio/audio_file_formats/juce_FlacAudioFormat.cpp b/src/audio/audio_file_formats/juce_FlacAudioFormat.cpp
index 4f6ffb5bae..5d81f051f4 100644
--- a/src/audio/audio_file_formats/juce_FlacAudioFormat.cpp
+++ b/src/audio/audio_file_formats/juce_FlacAudioFormat.cpp
@@ -80,7 +80,6 @@ BEGIN_JUCE_NAMESPACE
 #include "../../text/juce_LocalisedStrings.h"
 #include "../../containers/juce_ScopedPointer.h"
 
-using namespace FlacNamespace;
 
 //==============================================================================
 static const char* const flacFormatName = "FLAC file";
@@ -90,11 +89,6 @@ static const tchar* const flacExtensions[] =    { T(".flac"), 0 };
 //==============================================================================
 class FlacReader  : public AudioFormatReader
 {
-    FLAC__StreamDecoder* decoder;
-    AudioSampleBuffer reservoir;
-    int reservoirStart, samplesInReservoir;
-    bool ok, scanningForLength;
-
 public:
     //==============================================================================
     FlacReader (InputStream* const in)
@@ -136,10 +130,10 @@ public:
 
     ~FlacReader()
     {
-        FLAC__stream_decoder_delete (decoder);
+        FlacNamespace::FLAC__stream_decoder_delete (decoder);
     }
 
-    void useMetadata (const FLAC__StreamMetadata_StreamInfo& info)
+    void useMetadata (const FlacNamespace::FLAC__StreamMetadata_StreamInfo& info)
     {
         sampleRate = info.sample_rate;
         bitsPerSample = info.bits_per_sample;
@@ -216,7 +210,7 @@ public:
         return true;
     }
 
-    void useSamples (const FLAC__int32* const buffer[], int numSamples)
+    void useSamples (const FlacNamespace::FLAC__int32* const buffer[], int numSamples)
     {
         if (scanningForLength)
         {
@@ -231,7 +225,7 @@ public:
 
             for (int i = 0; i < (int) numChannels; ++i)
             {
-                const FLAC__int32* src = buffer[i];
+                const FlacNamespace::FLAC__int32* src = buffer[i];
 
                 int n = i;
                 while (src == 0 && n > 0)
@@ -251,68 +245,77 @@ public:
     }
 
     //==============================================================================
-    static FLAC__StreamDecoderReadStatus readCallback_ (const FLAC__StreamDecoder*, FLAC__byte buffer[], size_t* bytes, void* client_data)
+    static FlacNamespace::FLAC__StreamDecoderReadStatus readCallback_ (const FlacNamespace::FLAC__StreamDecoder*, FlacNamespace::FLAC__byte buffer[], size_t* bytes, void* client_data)
     {
+        using namespace FlacNamespace;
         *bytes = (unsigned int) ((const FlacReader*) client_data)->input->read (buffer, (int) *bytes);
         return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
     }
 
-    static FLAC__StreamDecoderSeekStatus seekCallback_ (const FLAC__StreamDecoder*, FLAC__uint64 absolute_byte_offset, void* client_data)
+    static FlacNamespace::FLAC__StreamDecoderSeekStatus seekCallback_ (const FlacNamespace::FLAC__StreamDecoder*, FlacNamespace::FLAC__uint64 absolute_byte_offset, void* client_data)
     {
+        using namespace FlacNamespace;
         ((const FlacReader*) client_data)->input->setPosition ((int) absolute_byte_offset);
         return FLAC__STREAM_DECODER_SEEK_STATUS_OK;
     }
 
-    static FLAC__StreamDecoderTellStatus tellCallback_ (const FLAC__StreamDecoder*, FLAC__uint64* absolute_byte_offset, void* client_data)
+    static FlacNamespace::FLAC__StreamDecoderTellStatus tellCallback_ (const FlacNamespace::FLAC__StreamDecoder*, FlacNamespace::FLAC__uint64* absolute_byte_offset, void* client_data)
     {
+        using namespace FlacNamespace;
         *absolute_byte_offset = ((const FlacReader*) client_data)->input->getPosition();
         return FLAC__STREAM_DECODER_TELL_STATUS_OK;
     }
 
-    static FLAC__StreamDecoderLengthStatus lengthCallback_ (const FLAC__StreamDecoder*, FLAC__uint64* stream_length, void* client_data)
+    static FlacNamespace::FLAC__StreamDecoderLengthStatus lengthCallback_ (const FlacNamespace::FLAC__StreamDecoder*, FlacNamespace::FLAC__uint64* stream_length, void* client_data)
     {
+        using namespace FlacNamespace;
         *stream_length = ((const FlacReader*) client_data)->input->getTotalLength();
         return FLAC__STREAM_DECODER_LENGTH_STATUS_OK;
     }
 
-    static FLAC__bool eofCallback_ (const FLAC__StreamDecoder*, void* client_data)
+    static FlacNamespace::FLAC__bool eofCallback_ (const FlacNamespace::FLAC__StreamDecoder*, void* client_data)
     {
         return ((const FlacReader*) client_data)->input->isExhausted();
     }
 
-    static FLAC__StreamDecoderWriteStatus writeCallback_ (const FLAC__StreamDecoder*,
-                                                          const FLAC__Frame* frame,
-                                                          const FLAC__int32* const buffer[],
-                                                          void* client_data)
+    static FlacNamespace::FLAC__StreamDecoderWriteStatus writeCallback_ (const FlacNamespace::FLAC__StreamDecoder*,
+                                                                         const FlacNamespace::FLAC__Frame* frame,
+                                                                         const FlacNamespace::FLAC__int32* const buffer[],
+                                                                         void* client_data)
     {
+        using namespace FlacNamespace;
         ((FlacReader*) client_data)->useSamples (buffer, frame->header.blocksize);
         return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
     }
 
-    static void metadataCallback_ (const FLAC__StreamDecoder*,
-                                   const FLAC__StreamMetadata* metadata,
+    static void metadataCallback_ (const FlacNamespace::FLAC__StreamDecoder*,
+                                   const FlacNamespace::FLAC__StreamMetadata* metadata,
                                    void* client_data)
     {
         ((FlacReader*) client_data)->useMetadata (metadata->data.stream_info);
     }
 
-    static void errorCallback_ (const FLAC__StreamDecoder*, FLAC__StreamDecoderErrorStatus, void*)
+    static void errorCallback_ (const FlacNamespace::FLAC__StreamDecoder*, FlacNamespace::FLAC__StreamDecoderErrorStatus, void*)
     {
     }
 
     juce_UseDebuggingNewOperator
+
+private:
+    FlacNamespace::FLAC__StreamDecoder* decoder;
+    AudioSampleBuffer reservoir;
+    int reservoirStart, samplesInReservoir;
+    bool ok, scanningForLength;
+
+    FlacReader (const FlacReader&);
+    FlacReader& operator= (const FlacReader&);
 };
 
 
 //==============================================================================
 class FlacWriter  : public AudioFormatWriter
 {
-    FLAC__StreamEncoder* encoder;
-    MemoryBlock temp;
-
 public:
-    bool ok;
-
     //==============================================================================
     FlacWriter (OutputStream* const out,
                 const double sampleRate_,
@@ -359,6 +362,7 @@ public:
     //==============================================================================
     bool write (const int** samplesToWrite, int numSamples)
     {
+        using namespace FlacNamespace;
         if (! ok)
             return false;
 
@@ -396,8 +400,9 @@ public:
         return output->write (data, size);
     }
 
-    static void packUint32 (FLAC__uint32 val, FLAC__byte* b, const int bytes)
+    static void packUint32 (FlacNamespace::FLAC__uint32 val, FlacNamespace::FLAC__byte* b, const int bytes)
     {
+        using namespace FlacNamespace;
         b += bytes;
 
         for (int i = 0; i < bytes; ++i)
@@ -407,7 +412,7 @@ public:
         }
     }
 
-    void writeMetaData (const FLAC__StreamMetadata* metadata)
+    void writeMetaData (const FlacNamespace::FLAC__StreamMetadata* metadata)
     {
         using namespace FlacNamespace;
         const FLAC__StreamMetadata_StreamInfo& info = metadata->data.stream_info;
@@ -439,12 +444,12 @@ public:
     }
 
     //==============================================================================
-    static FLAC__StreamEncoderWriteStatus encodeWriteCallback (const FLAC__StreamEncoder*,
-                                                               const FLAC__byte buffer[],
-                                                               size_t bytes,
-                                                               unsigned int /*samples*/,
-                                                               unsigned int /*current_frame*/,
-                                                               void* client_data)
+    static FlacNamespace::FLAC__StreamEncoderWriteStatus encodeWriteCallback (const FlacNamespace::FLAC__StreamEncoder*,
+                                                                              const FlacNamespace::FLAC__byte buffer[],
+                                                                              size_t bytes,
+                                                                              unsigned int /*samples*/,
+                                                                              unsigned int /*current_frame*/,
+                                                                              void* client_data)
     {
         using namespace FlacNamespace;
         return ((FlacWriter*) client_data)->writeData (buffer, (int) bytes)
@@ -452,13 +457,15 @@ public:
                 : FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
     }
 
-    static FLAC__StreamEncoderSeekStatus encodeSeekCallback (const FLAC__StreamEncoder*, FLAC__uint64, void*)
+    static FlacNamespace::FLAC__StreamEncoderSeekStatus encodeSeekCallback (const FlacNamespace::FLAC__StreamEncoder*, FlacNamespace::FLAC__uint64, void*)
     {
+        using namespace FlacNamespace;
         return FLAC__STREAM_ENCODER_SEEK_STATUS_UNSUPPORTED;
     }
 
-    static FLAC__StreamEncoderTellStatus encodeTellCallback (const FLAC__StreamEncoder*, FLAC__uint64* absolute_byte_offset, void* client_data)
+    static FlacNamespace::FLAC__StreamEncoderTellStatus encodeTellCallback (const FlacNamespace::FLAC__StreamEncoder*, FlacNamespace::FLAC__uint64* absolute_byte_offset, void* client_data)
     {
+        using namespace FlacNamespace;
         if (client_data == 0)
             return FLAC__STREAM_ENCODER_TELL_STATUS_UNSUPPORTED;
 
@@ -466,14 +473,23 @@ public:
         return FLAC__STREAM_ENCODER_TELL_STATUS_OK;
     }
 
-    static void encodeMetadataCallback (const FLAC__StreamEncoder*,
-                                        const FLAC__StreamMetadata* metadata,
+    static void encodeMetadataCallback (const FlacNamespace::FLAC__StreamEncoder*,
+                                        const FlacNamespace::FLAC__StreamMetadata* metadata,
                                         void* client_data)
     {
         ((FlacWriter*) client_data)->writeMetaData (metadata);
     }
 
     juce_UseDebuggingNewOperator
+
+    bool ok;
+
+private:
+    FlacNamespace::FLAC__StreamEncoder* encoder;
+    MemoryBlock temp;
+
+    FlacWriter (const FlacWriter&);
+    FlacWriter& operator= (const FlacWriter&);
 };
 
 
diff --git a/src/audio/audio_file_formats/juce_OggVorbisAudioFormat.cpp b/src/audio/audio_file_formats/juce_OggVorbisAudioFormat.cpp
index 84ec62f021..be99e5ba14 100644
--- a/src/audio/audio_file_formats/juce_OggVorbisAudioFormat.cpp
+++ b/src/audio/audio_file_formats/juce_OggVorbisAudioFormat.cpp
@@ -80,18 +80,16 @@ BEGIN_JUCE_NAMESPACE
 #include "../../io/files/juce_FileInputStream.h"
 #include "../../text/juce_LocalisedStrings.h"
 
-using namespace OggVorbisNamespace;
 
 //==============================================================================
 static const char* const oggFormatName = "Ogg-Vorbis file";
 static const tchar* const oggExtensions[] =    { T(".ogg"), 0 };
 
-
 //==============================================================================
 class OggReader : public AudioFormatReader
 {
-    OggVorbis_File ovFile;
-    ov_callbacks callbacks;
+    OggVorbisNamespace::OggVorbis_File ovFile;
+    OggVorbisNamespace::ov_callbacks callbacks;
     AudioSampleBuffer reservoir;
     int reservoirStart, samplesInReservoir;
 
@@ -103,6 +101,7 @@ public:
           reservoirStart (0),
           samplesInReservoir (0)
     {
+        using namespace OggVorbisNamespace;
         sampleRate = 0;
         usesFloatingPointData = true;
 
@@ -217,7 +216,7 @@ public:
         return (size_t) (((InputStream*) datasource)->read (ptr, (int) (size * nmemb)) / size);
     }
 
-    static int oggSeekCallback (void* datasource, ogg_int64_t offset, int whence)
+    static int oggSeekCallback (void* datasource, OggVorbisNamespace::ogg_int64_t offset, int whence)
     {
         InputStream* const in = (InputStream*) datasource;
 
@@ -246,13 +245,13 @@ public:
 //==============================================================================
 class OggWriter  : public AudioFormatWriter
 {
-    ogg_stream_state os;
-    ogg_page og;
-    ogg_packet op;
-    vorbis_info vi;
-    vorbis_comment vc;
-    vorbis_dsp_state vd;
-    vorbis_block vb;
+    OggVorbisNamespace::ogg_stream_state os;
+    OggVorbisNamespace::ogg_page og;
+    OggVorbisNamespace::ogg_packet op;
+    OggVorbisNamespace::vorbis_info vi;
+    OggVorbisNamespace::vorbis_comment vc;
+    OggVorbisNamespace::vorbis_dsp_state vd;
+    OggVorbisNamespace::vorbis_block vb;
 
 public:
     bool ok;
@@ -268,6 +267,7 @@ public:
                              numChannels,
                              bitsPerSample)
     {
+        using namespace OggVorbisNamespace;
         ok = false;
 
         vorbis_info_init (&vi);
diff --git a/src/audio/audio_file_formats/juce_QuickTimeAudioFormat.cpp b/src/audio/audio_file_formats/juce_QuickTimeAudioFormat.cpp
index 7a4478b37c..c84d5e19ba 100644
--- a/src/audio/audio_file_formats/juce_QuickTimeAudioFormat.cpp
+++ b/src/audio/audio_file_formats/juce_QuickTimeAudioFormat.cpp
@@ -337,6 +337,9 @@ private:
         DetachMovieFromCurrentThread (movie);
 #endif
     }
+
+    QTAudioReader (const QTAudioReader&);
+    QTAudioReader& operator= (const QTAudioReader&);
 };
 
 
diff --git a/src/audio/devices/juce_MidiInput.h b/src/audio/devices/juce_MidiInput.h
index ec015b90ce..ba3d5d9c8e 100644
--- a/src/audio/devices/juce_MidiInput.h
+++ b/src/audio/devices/juce_MidiInput.h
@@ -178,7 +178,10 @@ protected:
     void* internal;
 
     MidiInput (const String& name);
+
+private:
     MidiInput (const MidiInput&);
+    MidiInput& operator= (const MidiInput&);
 };
 
 
diff --git a/src/audio/devices/juce_MidiOutput.cpp b/src/audio/devices/juce_MidiOutput.cpp
index b99c1a6aec..535433747a 100644
--- a/src/audio/devices/juce_MidiOutput.cpp
+++ b/src/audio/devices/juce_MidiOutput.cpp
@@ -33,23 +33,22 @@ BEGIN_JUCE_NAMESPACE
 
 
 //==============================================================================
-MidiOutput::MidiOutput() throw()
+MidiOutput::MidiOutput()
     : Thread ("midi out"),
       internal (0),
       firstMessage (0)
 {
 }
 
-MidiOutput::PendingMessage::PendingMessage (const uint8* const data,
-                                            const int len,
-                                            const double sampleNumber) throw()
+MidiOutput::PendingMessage::PendingMessage (const uint8* const data, const int len,
+                                            const double sampleNumber)
     : message (data, len, sampleNumber)
 {
 }
 
 void MidiOutput::sendBlockOfMessages (const MidiBuffer& buffer,
                                       const double millisecondCounterToStartAt,
-                                      double samplesPerSecondForBuffer) throw()
+                                      double samplesPerSecondForBuffer)
 {
     // You've got to call startBackgroundThread() for this to actually work..
     jassert (isThreadRunning());
@@ -93,7 +92,7 @@ void MidiOutput::sendBlockOfMessages (const MidiBuffer& buffer,
     notify();
 }
 
-void MidiOutput::clearAllPendingMessages() throw()
+void MidiOutput::clearAllPendingMessages()
 {
     const ScopedLock sl (lock);
 
@@ -105,12 +104,12 @@ void MidiOutput::clearAllPendingMessages() throw()
     }
 }
 
-void MidiOutput::startBackgroundThread() throw()
+void MidiOutput::startBackgroundThread()
 {
     startThread (9);
 }
 
-void MidiOutput::stopBackgroundThread() throw()
+void MidiOutput::stopBackgroundThread()
 {
     stopThread (5000);
 }
diff --git a/src/audio/devices/juce_MidiOutput.h b/src/audio/devices/juce_MidiOutput.h
index 6f5e13419f..2f215badce 100644
--- a/src/audio/devices/juce_MidiOutput.h
+++ b/src/audio/devices/juce_MidiOutput.h
@@ -129,23 +129,23 @@ public:
     */
     virtual void sendBlockOfMessages (const MidiBuffer& buffer,
                                       const double millisecondCounterToStartAt,
-                                      double samplesPerSecondForBuffer) throw();
+                                      double samplesPerSecondForBuffer);
 
     /** Gets rid of any midi messages that had been added by sendBlockOfMessages().
     */
-    virtual void clearAllPendingMessages() throw();
+    virtual void clearAllPendingMessages();
 
     /** Starts up a background thread so that the device can send blocks of data.
 
         Call this to get the device ready, before using sendBlockOfMessages().
     */
-    virtual void startBackgroundThread() throw();
+    virtual void startBackgroundThread();
 
     /** Stops the background thread, and clears any pending midi events.
 
         @see startBackgroundThread
     */
-    virtual void stopBackgroundThread() throw();
+    virtual void stopBackgroundThread();
 
 
     //==============================================================================
@@ -156,7 +156,7 @@ protected:
 
     struct PendingMessage
     {
-        PendingMessage (const uint8* const data, const int len, const double sampleNumber) throw();
+        PendingMessage (const uint8* data, int len, double sampleNumber);
 
         MidiMessage message;
         PendingMessage* next;
@@ -167,10 +167,12 @@ protected:
     CriticalSection lock;
     PendingMessage* firstMessage;
 
-    MidiOutput() throw();
-    MidiOutput (const MidiOutput&);
-
+    MidiOutput();
     void run();
+
+private:
+    MidiOutput (const MidiOutput&);
+    MidiOutput& operator= (const MidiOutput&);
 };
 
 
diff --git a/src/audio/processors/juce_AudioProcessorEditor.h b/src/audio/processors/juce_AudioProcessorEditor.h
index 7ecbe5e622..39c23c841e 100644
--- a/src/audio/processors/juce_AudioProcessorEditor.h
+++ b/src/audio/processors/juce_AudioProcessorEditor.h
@@ -60,6 +60,9 @@ public:
 private:
     //==============================================================================
     AudioProcessor* const owner;
+
+    AudioProcessorEditor (const AudioProcessorEditor&);
+    AudioProcessorEditor& operator= (const AudioProcessorEditor&);
 };
 
 
diff --git a/src/gui/components/mouse/juce_ComponentDragger.h b/src/gui/components/mouse/juce_ComponentDragger.h
index 4392ae7f28..3be71872bf 100644
--- a/src/gui/components/mouse/juce_ComponentDragger.h
+++ b/src/gui/components/mouse/juce_ComponentDragger.h
@@ -99,6 +99,9 @@ public:
 private:
     ComponentBoundsConstrainer* constrainer;
     Point<int> originalPos;
+
+    ComponentDragger (const ComponentDragger&);
+    ComponentDragger& operator= (const ComponentDragger&);
 };
 
 #endif   // __JUCE_COMPONENTDRAGGER_JUCEHEADER__
diff --git a/src/gui/components/special/juce_AudioDeviceSelectorComponent.cpp b/src/gui/components/special/juce_AudioDeviceSelectorComponent.cpp
index 7bdb6668ea..3030495b14 100644
--- a/src/gui/components/special/juce_AudioDeviceSelectorComponent.cpp
+++ b/src/gui/components/special/juce_AudioDeviceSelectorComponent.cpp
@@ -73,6 +73,9 @@ public:
 private:
     AudioDeviceManager* const manager;
     float level;
+
+    SimpleDeviceManagerInputLevelMeter (const SimpleDeviceManagerInputLevelMeter&);
+    SimpleDeviceManagerInputLevelMeter& operator= (const SimpleDeviceManagerInputLevelMeter&);
 };
 
 
diff --git a/src/gui/graphics/imaging/image_file_formats/juce_JPEGLoader.cpp b/src/gui/graphics/imaging/image_file_formats/juce_JPEGLoader.cpp
index 388864f743..01be8d64fc 100644
--- a/src/gui/graphics/imaging/image_file_formats/juce_JPEGLoader.cpp
+++ b/src/gui/graphics/imaging/image_file_formats/juce_JPEGLoader.cpp
@@ -128,57 +128,96 @@ BEGIN_JUCE_NAMESPACE
 #include "../../../../io/streams/juce_OutputStream.h"
 #include "../../colour/juce_PixelFormats.h"
 
-using namespace jpeglibNamespace;
+//==============================================================================
+namespace JPEGHelpers
+{
+    using namespace jpeglibNamespace;
 
-#if ! JUCE_MSVC
- using jpeglibNamespace::boolean;
-#endif
+    #if ! JUCE_MSVC
+     using jpeglibNamespace::boolean;
+    #endif
 
-//==============================================================================
-struct JPEGDecodingFailure {};
+    struct JPEGDecodingFailure {};
 
-static void fatalErrorHandler (j_common_ptr)
-{
-    throw JPEGDecodingFailure();
-}
+    static void fatalErrorHandler (j_common_ptr)
+    {
+        throw JPEGDecodingFailure();
+    }
 
-static void silentErrorCallback1 (j_common_ptr)         {}
-static void silentErrorCallback2 (j_common_ptr, int)    {}
-static void silentErrorCallback3 (j_common_ptr, char*)  {}
+    static void silentErrorCallback1 (j_common_ptr)         {}
+    static void silentErrorCallback2 (j_common_ptr, int)    {}
+    static void silentErrorCallback3 (j_common_ptr, char*)  {}
 
-static void setupSilentErrorHandler (struct jpeg_error_mgr& err)
-{
-    zerostruct (err);
+    static void setupSilentErrorHandler (struct jpeg_error_mgr& err)
+    {
+        zerostruct (err);
 
-    err.error_exit = fatalErrorHandler;
-    err.emit_message = silentErrorCallback2;
-    err.output_message = silentErrorCallback1;
-    err.format_message = silentErrorCallback3;
-    err.reset_error_mgr = silentErrorCallback1;
-}
+        err.error_exit = fatalErrorHandler;
+        err.emit_message = silentErrorCallback2;
+        err.output_message = silentErrorCallback1;
+        err.format_message = silentErrorCallback3;
+        err.reset_error_mgr = silentErrorCallback1;
+    }
 
 
-//==============================================================================
-static void dummyCallback1 (j_decompress_ptr)
-{
-}
+    //==============================================================================
+    static void dummyCallback1 (j_decompress_ptr)
+    {
+    }
 
-static void jpegSkip (j_decompress_ptr decompStruct, long num)
-{
-    decompStruct->src->next_input_byte += num;
+    static void jpegSkip (j_decompress_ptr decompStruct, long num)
+    {
+        decompStruct->src->next_input_byte += num;
 
-    num = jmin (num, (long) decompStruct->src->bytes_in_buffer);
-    decompStruct->src->bytes_in_buffer -= num;
-}
+        num = jmin (num, (long) decompStruct->src->bytes_in_buffer);
+        decompStruct->src->bytes_in_buffer -= num;
+    }
 
-static boolean jpegFill (j_decompress_ptr)
-{
-    return 0;
+    static boolean jpegFill (j_decompress_ptr)
+    {
+        return 0;
+    }
+
+    //==============================================================================
+    static const int jpegBufferSize = 512;
+
+    struct JuceJpegDest  : public jpeg_destination_mgr
+    {
+        OutputStream* output;
+        char* buffer;
+    };
+
+    static void jpegWriteInit (j_compress_ptr)
+    {
+    }
+
+    static void jpegWriteTerminate (j_compress_ptr cinfo)
+    {
+        JuceJpegDest* const dest = (JuceJpegDest*) cinfo->dest;
+
+        const size_t numToWrite = jpegBufferSize - dest->free_in_buffer;
+        dest->output->write (dest->buffer, (int) numToWrite);
+    }
+
+    static boolean jpegWriteFlush (j_compress_ptr cinfo)
+    {
+        JuceJpegDest* const dest = (JuceJpegDest*) cinfo->dest;
+
+        const int numToWrite = jpegBufferSize;
+
+        dest->next_output_byte = (JOCTET*) dest->buffer;
+        dest->free_in_buffer = jpegBufferSize;
+
+        return dest->output->write (dest->buffer, numToWrite);
+    }
 }
 
 //==============================================================================
 Image* juce_loadJPEGImageFromStream (InputStream& in)
 {
+    using namespace jpeglibNamespace;
+    using namespace JPEGHelpers;
+
     MemoryBlock mb;
     in.readIntoMemoryBlock (mb);
 
@@ -271,45 +310,14 @@ Image* juce_loadJPEGImageFromStream (InputStream& in)
     return image;
 }
 
-
-//==============================================================================
-static const int jpegBufferSize = 512;
-
-struct JuceJpegDest  : public jpeg_destination_mgr
-{
-    OutputStream* output;
-    char* buffer;
-};
-
-static void jpegWriteInit (j_compress_ptr)
-{
-}
-
-static void jpegWriteTerminate (j_compress_ptr cinfo)
-{
-    JuceJpegDest* const dest = (JuceJpegDest*) cinfo->dest;
-
-    const size_t numToWrite = jpegBufferSize - dest->free_in_buffer;
-    dest->output->write (dest->buffer, (int) numToWrite);
-}
-
-static boolean jpegWriteFlush (j_compress_ptr cinfo)
-{
-    JuceJpegDest* const dest = (JuceJpegDest*) cinfo->dest;
-
-    const int numToWrite = jpegBufferSize;
-
-    dest->next_output_byte = (JOCTET*) dest->buffer;
-    dest->free_in_buffer = jpegBufferSize;
-
-    return dest->output->write (dest->buffer, numToWrite);
-}
-
 //==============================================================================
 bool juce_writeJPEGImageToStream (const Image& image,
                                   OutputStream& out,
                                   float quality)
 {
+    using namespace jpeglibNamespace;
+    using namespace JPEGHelpers;
+
     if (image.hasAlphaChannel())
     {
         // this method could fill the background in white and still save the image..
diff --git a/src/gui/graphics/imaging/image_file_formats/juce_PNGLoader.cpp b/src/gui/graphics/imaging/image_file_formats/juce_PNGLoader.cpp
index 9ace0cd20a..a857b4940d 100644
--- a/src/gui/graphics/imaging/image_file_formats/juce_PNGLoader.cpp
+++ b/src/gui/graphics/imaging/image_file_formats/juce_PNGLoader.cpp
@@ -102,29 +102,45 @@ BEGIN_JUCE_NAMESPACE
 #include "../../../../io/streams/juce_OutputStream.h"
 #include "../../colour/juce_PixelFormats.h"
 
-using namespace pnglibNamespace;
-
 using ::calloc;
 using ::malloc;
 using ::free;
 
 //==============================================================================
-static void pngReadCallback (png_structp pngReadStruct, png_bytep data, png_size_t length)
+namespace PNGHelpers
 {
-    InputStream* const in = (InputStream*) png_get_io_ptr (pngReadStruct);
-    in->read (data, (int) length);
-}
+    using namespace pnglibNamespace;
 
-struct PNGErrorStruct {};
+    static void readCallback (png_structp pngReadStruct, png_bytep data, png_size_t length)
+    {
+        using namespace pnglibNamespace;
+        InputStream* const in = (InputStream*) png_get_io_ptr (pngReadStruct);
+        in->read (data, (int) length);
+    }
+
+    struct PNGErrorStruct {};
+
+    static void errorCallback (png_structp, png_const_charp)
+    {
+        throw PNGErrorStruct();
+    }
+
+    static void writeDataCallback (png_structp png_ptr, png_bytep data, png_size_t length)
+    {
+        OutputStream* const out = (OutputStream*) png_ptr->io_ptr;
+
+        const bool ok = out->write (data, (int) length);
+
+        (void) ok;
+        jassert (ok);
+    }
 
-static void pngErrorCallback (png_structp, png_const_charp)
-{
-    throw PNGErrorStruct();
 }
 
 //==============================================================================
 Image* juce_loadPNGImageFromStream (InputStream& in)
 {
+    using namespace pnglibNamespace;
     Image* image = 0;
 
     png_structp pngReadStruct;
@@ -142,10 +158,10 @@ Image* juce_loadPNGImageFromStream (InputStream& in)
             return 0;
         }
 
-        png_set_error_fn (pngReadStruct, 0, pngErrorCallback, pngErrorCallback);
+        png_set_error_fn (pngReadStruct, 0, PNGHelpers::errorCallback, PNGHelpers::errorCallback );
 
         // read the header..
-        png_set_read_fn (pngReadStruct, &in, pngReadCallback);
+        png_set_read_fn (pngReadStruct, &in, PNGHelpers::readCallback);
 
         png_uint_32 width, height;
         int bitDepth, colorType, interlaceType;
@@ -234,18 +250,9 @@ Image* juce_loadPNGImageFromStream (InputStream& in)
 }
 
 //==============================================================================
-static void pngWriteDataCallback (png_structp png_ptr, png_bytep data, png_size_t length)
-{
-    OutputStream* const out = (OutputStream*) png_ptr->io_ptr;
-
-    const bool ok = out->write (data, (int) length);
-
-    (void) ok;
-    jassert (ok);
-}
-
 bool juce_writePNGImageToStream (const Image& image, OutputStream& out)
 {
+    using namespace pnglibNamespace;
     const int width = image.getWidth();
     const int height = image.getHeight();
 
@@ -262,7 +269,7 @@ bool juce_writePNGImageToStream (const Image& image, OutputStream& out)
         return false;
     }
 
-    png_set_write_fn (pngWriteStruct, &out, pngWriteDataCallback, 0);
+    png_set_write_fn (pngWriteStruct, &out, PNGHelpers::writeDataCallback, 0);
 
     png_set_IHDR (pngWriteStruct, pngInfoStruct, width, height, 8,
                   image.hasAlphaChannel() ? PNG_COLOR_TYPE_RGB_ALPHA
diff --git a/src/io/files/juce_FileOutputStream.h b/src/io/files/juce_FileOutputStream.h
index 84452d3a53..b9f07fa247 100644
--- a/src/io/files/juce_FileOutputStream.h
+++ b/src/io/files/juce_FileOutputStream.h
@@ -87,6 +87,9 @@ private:
     int64 currentPosition;
     int bufferSize, bytesInBuffer;
     HeapBlock <char> buffer;
+
+    FileOutputStream (const FileOutputStream&);
+    FileOutputStream& operator= (const FileOutputStream&);
 };
 
 #endif   // __JUCE_FILEOUTPUTSTREAM_JUCEHEADER__
diff --git a/src/io/streams/juce_GZIPCompressorOutputStream.cpp b/src/io/streams/juce_GZIPCompressorOutputStream.cpp
index 78e6a8e34a..de44e50c4a 100644
--- a/src/io/streams/juce_GZIPCompressorOutputStream.cpp
+++ b/src/io/streams/juce_GZIPCompressorOutputStream.cpp
@@ -41,7 +41,6 @@ BEGIN_JUCE_NAMESPACE
 
 #include "juce_GZIPCompressorOutputStream.h"
 
-using namespace zlibNamespace;
 
 //==============================================================================
 // internal helper object that holds the zlib structures so they don't have to be
@@ -59,6 +58,7 @@ public:
           finished (false),
           shouldFinish (false)
     {
+        using namespace zlibNamespace;
         zerostruct (stream);
 
         streamIsValid = (deflateInit2 (&stream, compLevel, Z_DEFLATED,
@@ -68,6 +68,7 @@ public:
 
     ~GZIPCompressorHelper()
     {
+        using namespace zlibNamespace;
         if (streamIsValid)
             deflateEnd (&stream);
     }
@@ -85,6 +86,7 @@ public:
 
     int doNextBlock (uint8* const dest, const int destSize) throw()
     {
+        using namespace zlibNamespace;
         if (streamIsValid)
         {
             stream.next_in = data;
@@ -117,7 +119,7 @@ public:
     }
 
 private:
-    z_stream stream;
+    zlibNamespace::z_stream stream;
     uint8* data;
     int dataSize, compLevel, strategy;
     bool setParams, streamIsValid;
diff --git a/src/io/streams/juce_GZIPDecompressorInputStream.cpp b/src/io/streams/juce_GZIPDecompressorInputStream.cpp
index 31259a0084..fd2bb6c35b 100644
--- a/src/io/streams/juce_GZIPDecompressorInputStream.cpp
+++ b/src/io/streams/juce_GZIPDecompressorInputStream.cpp
@@ -73,7 +73,6 @@ BEGIN_JUCE_NAMESPACE
 
 #include "juce_GZIPDecompressorInputStream.h"
 
-using namespace zlibNamespace;
 
 //==============================================================================
 // internal helper object that holds the zlib structures so they don't have to be
@@ -81,21 +80,23 @@ using namespace zlibNamespace;
 class GZIPDecompressHelper
 {
 public:
-    GZIPDecompressHelper (const bool noWrap) throw()
-        : data (0),
-          dataSize (0),
-          finished (true),
+    GZIPDecompressHelper (const bool noWrap)
+        : finished (true),
           needsDictionary (false),
           error (true),
-          streamIsValid (false)
+          streamIsValid (false),
+          data (0),
+          dataSize (0)
     {
+        using namespace zlibNamespace;
         zerostruct (stream);
         streamIsValid = (inflateInit2 (&stream, noWrap ? -MAX_WBITS : MAX_WBITS) == Z_OK);
         finished = error = ! streamIsValid;
     }
 
-    ~GZIPDecompressHelper() throw()
+    ~GZIPDecompressHelper()
     {
+        using namespace zlibNamespace;
         if (streamIsValid)
             inflateEnd (&stream);
     }
@@ -108,8 +109,9 @@ public:
         dataSize = size;
     }
 
-    int doNextBlock (uint8* const dest, const int destSize) throw()
+    int doNextBlock (uint8* const dest, const int destSize)
     {
+        using namespace zlibNamespace;
         if (streamIsValid && data != 0 && ! finished)
         {
             stream.next_in  = data;
@@ -145,13 +147,15 @@ public:
         return 0;
     }
 
+    bool finished, needsDictionary, error, streamIsValid;
+
 private:
-    z_stream stream;
+    zlibNamespace::z_stream stream;
     uint8* data;
     int dataSize;
 
-public:
-    bool finished, needsDictionary, error, streamIsValid;
+    GZIPDecompressHelper (const GZIPDecompressHelper&);
+    GZIPDecompressHelper& operator= (const GZIPDecompressHelper&);
 };
 
 //==============================================================================
diff --git a/src/io/streams/juce_MemoryInputStream.h b/src/io/streams/juce_MemoryInputStream.h
index ef5f68e103..58bb4b08b9 100644
--- a/src/io/streams/juce_MemoryInputStream.h
+++ b/src/io/streams/juce_MemoryInputStream.h
@@ -83,6 +83,9 @@ private:
     const char* data;
     size_t dataSize, position;
     MemoryBlock internalCopy;
+
+    MemoryInputStream (const MemoryInputStream&);
+    MemoryInputStream& operator= (const MemoryInputStream&);
 };
 
 #endif   // __JUCE_MEMORYINPUTSTREAM_JUCEHEADER__
diff --git a/src/io/streams/juce_MemoryOutputStream.h b/src/io/streams/juce_MemoryOutputStream.h
index 79926c3b41..87169214bc 100644
--- a/src/io/streams/juce_MemoryOutputStream.h
+++ b/src/io/streams/juce_MemoryOutputStream.h
@@ -90,6 +90,9 @@ private:
     MemoryBlock* data;
     ScopedPointer <MemoryBlock> dataToDelete;
     size_t position, size, blockSize;
+
+    MemoryOutputStream (const MemoryOutputStream&);
+    MemoryOutputStream& operator= (const MemoryOutputStream&);
 };
 
 #endif   // __JUCE_MEMORYOUTPUTSTREAM_JUCEHEADER__
diff --git a/src/native/mac/juce_mac_CoreGraphicsContext.mm b/src/native/mac/juce_mac_CoreGraphicsContext.mm
index 3c8523290b..6a7ae9ecef 100644
--- a/src/native/mac/juce_mac_CoreGraphicsContext.mm
+++ b/src/native/mac/juce_mac_CoreGraphicsContext.mm
@@ -38,8 +38,8 @@ public:
                        const bool clearImage)
         : Image (format_, imageWidth_, imageHeight_, clearImage)
     {
-        CGColorSpaceRef colourSpace = format == Image::SingleChannel ? CGColorSpaceCreateDeviceGray()
-                                                                     : CGColorSpaceCreateDeviceRGB();
+        CGColorSpaceRef colourSpace = (format == Image::SingleChannel) ? CGColorSpaceCreateDeviceGray()
+                                                                       : CGColorSpaceCreateDeviceRGB();
 
         context = CGBitmapContextCreate (imageData, imageWidth, imageHeight, 8, lineStride,
                                          colourSpace, getCGImageFlags (*this));
@@ -450,8 +450,8 @@ public:
                                     state->fillType.colour.getFloatRed(), state->fillType.colour.getFloatGreen(),
                                     state->fillType.colour.getFloatBlue(), state->fillType.colour.getFloatAlpha());
 
-        CGPoint line[] = { { (float) x1 + 0.5f, flipHeight - ((float) y1 + 0.5f) },
-                           { (float) x2 + 0.5f, flipHeight - ((float) y2 + 0.5f) } };
+        CGPoint line[] = { { (CGFloat) x1, flipHeight - (CGFloat) y1 },
+                           { (CGFloat) x2, flipHeight - (CGFloat) y2 } };
 
         CGContextStrokeLineSegments (context, line, 1);
     }
@@ -545,7 +545,7 @@ public:
 
 private:
     CGContextRef context;
-    const float flipHeight;
+    const CGFloat flipHeight;
     CGColorSpaceRef rgbColourSpace, greyColourSpace;
     CGFunctionCallbacks gradientCallbacks;
 
@@ -728,10 +728,8 @@ private:
         CGContextConcatCTM (context, t);
     }
 
-    float flipY (float y) const
-    {
-        return flipHeight - y;
-    }
+    CoreGraphicsContext (const CoreGraphicsContext&);
+    CoreGraphicsContext& operator= (const CoreGraphicsContext&);
 };
 
 LowLevelGraphicsContext* CoreGraphicsImage::createLowLevelContext()
diff --git a/src/native/mac/juce_mac_Fonts.mm b/src/native/mac/juce_mac_Fonts.mm
index a8ebd5e84e..30d0fa379a 100644
--- a/src/native/mac/juce_mac_Fonts.mm
+++ b/src/native/mac/juce_mac_Fonts.mm
@@ -478,6 +478,9 @@ private:
 
     ScopedPointer <CharToGlyphMapper> charToGlyphMapper;
 #endif
+
+    MacTypeface (const MacTypeface&);
+    MacTypeface& operator= (const MacTypeface&);
 };
 
 const Typeface::Ptr Typeface::createSystemTypefaceFor (const Font& font)
diff --git a/src/text/juce_XmlDocument.h b/src/text/juce_XmlDocument.h
index 5ef08143ab..59b5e40e53 100644
--- a/src/text/juce_XmlDocument.h
+++ b/src/text/juce_XmlDocument.h
@@ -156,6 +156,9 @@ private:
     const String expandEntity (const String& entity);
     const String expandExternalEntity (const String& entity);
     const String getParameterEntity (const String& entity);
+
+    XmlDocument (const XmlDocument&);
+    XmlDocument& operator= (const XmlDocument&);
 };
 
 
diff --git a/src/threads/juce_CriticalSection.h b/src/threads/juce_CriticalSection.h
index 2fc6ae754e..466e40d417 100644
--- a/src/threads/juce_CriticalSection.h
+++ b/src/threads/juce_CriticalSection.h
@@ -144,6 +144,10 @@ public:
 
     /** A dummy scoped-unlocker type to use with a dummy critical section. */
     typedef ScopedLockType ScopedUnlockType;
+
+private:
+    DummyCriticalSection (const DummyCriticalSection&);
+    DummyCriticalSection& operator= (const DummyCriticalSection&);
 };