initial

public/bitmap/psd.h

@@ -0,0 +1,105 @@
+//===== Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ======//
+//
+// Purpose: Methods relating to saving + loading PSD files (photoshop)
+//
+// $NoKeywords: $
+//===========================================================================//
+
+#ifndef PSD_H
+#define PSD_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "bitmap/imageformat.h" //ImageFormat enum definition
+
+//-----------------------------------------------------------------------------
+// Forward declarations
+//-----------------------------------------------------------------------------
+class CUtlBuffer;
+struct Bitmap_t;
+
+class PSDImageResources
+{
+public:
+	enum Resource {
+		eResFileInfo = 0x0404
+	};
+
+	struct ResElement {
+		Resource		m_eType;
+		// unsigned char	m_pReserved[4];
+		unsigned short	m_numBytes;
+		unsigned char const *m_pvData;
+	};
+
+public:
+	explicit PSDImageResources( unsigned int numBytes, unsigned char const *pvBuffer ) : m_numBytes( numBytes ), m_pvBuffer( pvBuffer ) {}
+
+public:
+	ResElement FindElement( Resource eType ) const;
+
+protected:
+	unsigned int			m_numBytes;
+	unsigned char const *	m_pvBuffer;
+};
+
+class PSDResFileInfo
+{
+public:
+	enum ResFileInfo {
+		eTitle					= 0x05,
+		eAuthor					= 0x50,
+		eAuthorTitle			= 0x55,
+		eDescription			= 0x78,
+		eDescriptionWriter		= 0x7A,
+		eKeywords				= 0x19,
+		eCopyrightNotice		= 0x74
+	};
+
+	struct ResFileInfoElement {
+		ResFileInfo			m_eType;
+		unsigned short		m_numBytes;
+		unsigned char const *m_pvData;
+	};
+
+public:
+	explicit PSDResFileInfo( PSDImageResources::ResElement res ) : m_res( res ) {}
+
+public:
+	ResFileInfoElement FindElement( ResFileInfo eType ) const;
+
+protected:
+	PSDImageResources::ResElement m_res;
+};
+
+
+//-----------------------------------------------------------------------------
+// Is a file a PSD file?
+//-----------------------------------------------------------------------------
+bool IsPSDFile( const char *pFileName, const char *pPathID );
+bool IsPSDFile( CUtlBuffer &buf );
+
+
+//-----------------------------------------------------------------------------
+// Returns information about the PSD file
+//-----------------------------------------------------------------------------
+bool PSDGetInfo( const char *pFileName, const char *pPathID, int *pWidth, int *pHeight, ImageFormat *pImageFormat, float *pSourceGamma );
+bool PSDGetInfo( CUtlBuffer &buf, int *pWidth, int *pHeight, ImageFormat *pImageFormat, float *pSourceGamma );
+
+
+//-----------------------------------------------------------------------------
+// Get PSD file image resources, pointers refer into the utlbuffer
+//-----------------------------------------------------------------------------
+PSDImageResources PSDGetImageResources( CUtlBuffer &buf );
+
+
+//-----------------------------------------------------------------------------
+// Reads the PSD file into the specified buffer
+//-----------------------------------------------------------------------------
+bool PSDReadFileRGBA8888( CUtlBuffer &buf, Bitmap_t &bitmap );
+bool PSDReadFileRGBA8888( const char *pFileName, const char *pPathID, Bitmap_t &bitmap );
+
+
+#endif // PSD_H