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//========= Copyright 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
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