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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
///////////////////////////////////////////////////////////////////////////////
// //
// plBitmap Class Header //
// Base bitmap class for all the types of bitmaps (mipmaps, cubic envmaps, //
// etc. //
// Cyan, Inc. //
// //
//// Version History //////////////////////////////////////////////////////////
// //
// 6.7.2001 mcn - Created. //
// //
///////////////////////////////////////////////////////////////////////////////
#ifndef _plBitmap_h
#define _plBitmap_h
#include "pnKeyedObject/hsKeyedObject.h"
class hsResMgr;
class plFilterMask;
class hsGDeviceRef;
//// Class Definition /////////////////////////////////////////////////////////
class plBitmap : public hsKeyedObject
{
public:
//// Public Flags ////
enum {
kNoSpace,
kDirectSpace,
kGraySpace,
kIndexSpace
};
enum Flags {
kNoFlag = 0x0000,
kAlphaChannelFlag = 0x0001,
kAlphaBitFlag = 0x0002,
kBumpEnvMap = 0x0004,
kForce32Bit = 0x0008,
kDontThrowAwayImage = 0x0010, // We can delete the image, but the pipeline can't
kForceOneMipLevel = 0x0020,
kNoMaxSize = 0x0040,
kIntensityMap = 0x0080,
kHalfSize = 0x0100,
kUserOwnsBitmap = 0x0200,
kForceRewrite = 0x0400,
kForceNonCompressed = 0x0800,
// For renderTargets:
kIsTexture = 0x1000,
kIsOffscreen = 0x2000,
kMainScreen = 0x0000, // Exclusive, i.e. no renderTarget flags
kIsProjected = 0x4000,
kIsOrtho = 0x8000
};
//// Public Data /////
enum // Compression format
{
kUncompressed = 0x0,
kDirectXCompression = 0x1,
kJPEGCompression = 0x2
};
struct DirectXInfo
{
enum // Compression type
{
kError = 0x0,
kDXT1 = 0x1,
//kDXT2 = 0x2,
//kDXT3 = 0x3,
//kDXT4 = 0x4,
kDXT5 = 0x5
};
UInt8 fCompressionType;
UInt8 fBlockSize; // In bytes
};
struct UncompressedInfo
{
enum
{
kRGB8888 = 0x00, /// 32-bit 8888 ARGB format
kRGB4444 = 0x01, /// 16-bit 4444 ARGB format
kRGB1555 = 0x02, /// 16-bit 555 RGB format w/ alpha bit
kInten8 = 0x03, /// 8-bit intensity channel (monochrome)
kAInten88 = 0x04 /// 8-bit intensity channel w/ 8-bit alpha
};
UInt8 fType;
};
//// Public Data /////
UInt8 fCompressionType;
union
{
DirectXInfo fDirectXInfo;
UncompressedInfo fUncompressedInfo;
};
//// Public Members ////
plBitmap();
virtual ~plBitmap();
CLASSNAME_REGISTER( plBitmap );
GETINTERFACE_ANY( plBitmap, hsKeyedObject );
// Get the total size in bytes
virtual UInt32 GetTotalSize( void ) const = 0;
// Read and write
virtual void Read( hsStream *s, hsResMgr *mgr ) { hsKeyedObject::Read( s, mgr ); this->Read( s ); }
virtual void Write( hsStream *s, hsResMgr *mgr ) { hsKeyedObject::Write( s, mgr ); this->Write( s ); }
UInt16 GetFlags( void ) const { return fFlags; }
void SetFlags( UInt16 flags ) { fFlags = flags; }
UInt8 GetPixelSize( void ) const { return fPixelSize; }
hsBool IsCompressed( void ) const { return ( fCompressionType == kDirectXCompression ); }
virtual void MakeDirty();
virtual hsGDeviceRef *GetDeviceRef( void ) const { return fDeviceRef; }
virtual void SetDeviceRef( hsGDeviceRef *const devRef );
static void SetGlobalLevelChopCount( UInt8 count ) { fGlobalNumLevelsToChop = count; }
static UInt8 GetGlobalLevelChopCount() { return fGlobalNumLevelsToChop; }
// Compares and sets the modified time for the source texture
bool IsSameModifiedTime(UInt32 lowTime, UInt32 highTime);
void SetModifiedTime(UInt32 lowTime, UInt32 highTime);
protected:
//// Protected Members ////
UInt8 fPixelSize; // 1, 2, 4, 8, 16, (24), 32, 64
UInt8 fSpace; // no, direct, gray, index
UInt16 fFlags; // alphachannel | alphabit
mutable hsGDeviceRef *fDeviceRef;
static UInt8 fGlobalNumLevelsToChop;
// The modification time of the source texture.
// Used to determine if we can reuse an already converted copy.
UInt32 fLowModifiedTime;
UInt32 fHighModifiedTime;
virtual UInt32 Read( hsStream *s );
virtual UInt32 Write( hsStream *s );
};
#endif // _plBitmap_h