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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==*/
///////////////////////////////////////////////////////////////////////////////
// //
// plMipmap Class Header //
// Derived bitmap class representing a single mipmap. //
// Cyan, Inc. //
// //
//// Version History //////////////////////////////////////////////////////////
// //
// 6.7.2001 mcn - Created. //
// //
///////////////////////////////////////////////////////////////////////////////
#ifndef _plMipmap_h
#define _plMipmap_h
#include "plBitmap.h"
#ifdef HS_DEBUGGING
#define ASSERT_PIXELSIZE(bitmap, pixelsize) hsAssert((bitmap)->fPixelSize == (pixelsize), "pixelSize mismatch")
#define ASSERT_XY(bitmap, x, y) hsAssert(x < (bitmap)->fWidth && y < (bitmap)->fHeight, "bad XY")
#define ASSERT_UNCOMPRESSED() hsAssert(fCompressionType!=kDirectXCompression, "Can't operate on compressed map.")
// Define the following konstant to enable mipmap leak checking. This is because our normal
// memory manager sucks when trying to track down these problems
#define MEMORY_LEAK_TRACER
#else
#define ASSERT_PIXELSIZE(bitmap, pixelsize)
#define ASSERT_XY(bitmap, x, y)
#define ASSERT_UNCOMPRESSED()
#endif
//// Class Definition /////////////////////////////////////////////////////////
class plBitmapCreator;
class plTextGenerator;
class plMipmap : public plBitmap
{
friend class plBitmapCreator;
friend class plTextGenerator;
public:
//// Public Flags ////
//// Public Data /////
//// Public Members ////
plMipmap();
plMipmap( UInt32 width, UInt32 height, unsigned config, UInt8 numLevels = 0, UInt8 compType = kUncompressed, UInt8 format = UncompressedInfo::kRGB8888 );
plMipmap( plMipmap *bm, hsScalar sig, UInt32 createFlags,
hsScalar detailDropoffStart, hsScalar detailDropoffStop,
hsScalar detailMax, hsScalar detailMin );
virtual ~plMipmap();
CLASSNAME_REGISTER( plMipmap );
GETINTERFACE_ANY( plMipmap, plBitmap );
void Create( UInt32 width, UInt32 height, unsigned config, UInt8 numLevels, UInt8 compType = kUncompressed, UInt8 format = UncompressedInfo::kRGB8888 );
virtual void Reset();
// Get the total size in bytes
virtual UInt32 GetTotalSize() const;
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 ); }
virtual UInt8 GetNumLevels() const { return fNumLevels; }
virtual UInt32 GetLevelSize( UInt8 level ); // 0 is the largest
virtual void Colorize();
virtual plMipmap *Clone() const;
virtual void CopyFrom( const plMipmap *source );
inline UInt32 GetWidth() const { return fWidth; }
inline UInt32 GetHeight() const { return fHeight; }
inline UInt32 GetRowBytes() const { return fRowBytes; }
void *GetImage() const { return fImage; }
void SetImagePtr( void *ptr ) { fImage = ptr; }
UInt8 *GetLevelPtr( UInt8 level, UInt32 *width = nil, UInt32 *height = nil, UInt32 *rowBytes = nil );
// Sets the current level pointer for use with GetAddr*
virtual void SetCurrLevel(UInt8 level);
void *GetCurrLevelPtr() const { return fCurrLevelPtr; }
UInt32 GetCurrWidth() const { return fCurrLevelWidth; }
UInt32 GetCurrHeight() const { return fCurrLevelHeight; }
UInt32 GetCurrLevelSize() const { return fLevelSizes[ fCurrLevel ]; }
UInt32 GetCurrLevel() const { return fCurrLevel; }
// These methods return the address of the pixel specified by x and y
// They are meant to be fast, therefore they are inlined and do not check
// the fPixelSize field at runtime (except when debugging)
UInt8* GetAddr8(unsigned x, unsigned y) const
{
ASSERT_PIXELSIZE(this, 8);
ASSERT_XY(this, x, y);
ASSERT_UNCOMPRESSED();
return (UInt8*)((char*)fCurrLevelPtr + y * fCurrLevelRowBytes + x);
}
UInt16* GetAddr16(unsigned x, unsigned y) const
{
ASSERT_PIXELSIZE(this, 16);
ASSERT_XY(this, x, y);
ASSERT_UNCOMPRESSED();
return (UInt16*)((char*)fCurrLevelPtr + y * fCurrLevelRowBytes + (x << 1));
}
UInt32* GetAddr32(unsigned x, unsigned y) const
{
ASSERT_PIXELSIZE(this, 32);
ASSERT_XY(this, x, y);
ASSERT_UNCOMPRESSED();
return (UInt32*)((char*)fCurrLevelPtr + y * fCurrLevelRowBytes + (x << 2));
}
void* GetAddr64(unsigned x, unsigned y) const
{
ASSERT_PIXELSIZE(this, 64);
ASSERT_XY(this, x, y);
ASSERT_UNCOMPRESSED();
return (void*)((char*)fCurrLevelPtr + y * fCurrLevelRowBytes + (x << 3));
}
// This sets fPixelSize, fSpace, fFlags, for you
// All you need to set is
// fWidth, fHeight, fRowBytes, fImage and fColorTable
enum {
kColor8Config = 0,
kGray44Config = 1,
kGray4Config = 2,
kGray8Config = 8, // So we can use bit depths instead
kRGB16Config = 16,
kRGB32Config = 24,
kARGB32Config = 32,
};
void SetConfig( unsigned config );
//// Really complex creation stuff ////
enum {
kCreateDetailAlpha = 0x1,
kCreateDetailAdd = 0x2,
kCreateDetailMult = 0x4,
kCreateDetailMask = kCreateDetailAlpha | kCreateDetailAdd | kCreateDetailMult,
kCreateCarryAlpha = 0x8,
kCreateCarryWhite = 0x10,
kCreateCarryBlack = 0x20,
kCreateCarryMask = kCreateCarryAlpha | kCreateCarryWhite | kCreateCarryBlack
};
enum hsGPixelType {
kPixelARGB4444,
kPixelARGB1555,
kPixelAI88,
kPixelI8
};
enum hsGCopyOptions {
kCopyLODMask,
};
enum {
kColorDataRLE = 0x1,
kAlphaDataRLE = 0x2
};
void SetBitmapAsLevel(UInt8 iDst, plMipmap *bm, hsScalar sig, UInt32 createFlags,
hsScalar detailDropoffStart, hsScalar detailDropoffStop,
hsScalar detailMax, hsScalar detailMin);
void ICreateLevelNoDetail(UInt8 iDst, const plFilterMask& mask);
void IBlendLevelDetailAlpha(UInt8 iDst, const plFilterMask& mask,
hsScalar detailDropoffStart, hsScalar detailDropoffStop,
hsScalar detailMax, hsScalar detailMin);
void IBlendLevelDetailAdd(UInt8 iDst, const plFilterMask& mask,
hsScalar detailDropoffStart, hsScalar detailDropoffStop,
hsScalar detailMax, hsScalar detailMin);
void IBlendLevelDetailMult(UInt8 iDst, const plFilterMask& mask,
hsScalar detailDropoffStart, hsScalar detailDropoffStop,
hsScalar detailMax, hsScalar detailMin);
void Filter(hsScalar sig);
UInt32 CopyOutPixels(UInt32 destXSize, UInt32 destYSize, UInt32 dstFormat, void *destPixels, UInt32 copyOptions);
void ClipToMaxSize( UInt32 maxDimension );
void RemoveMipping();
void EnsureKonstantBorder( hsBool clampU, hsBool clampV );
enum CompositeFlags
{
kForceOpaque = 0x0001, // Copy src pixels raw, force dest alphas to opaque
kCopySrcAlpha = 0x0002, // Copy the src pixels raw, including alphas, overwrite dest
kBlendSrcAlpha = 0x0004, // Blend src pixels onto dest using src alpha, dest alpha = src alpha
kMaskSrcAlpha = 0x0008, // Same as copySrcAlpha, but dest is untouched when src alpha = 0
kBlendWriteAlpha= 0x0010 // Like default (0), but writes dest alpha values
};
class CompositeOptions
{
// Helper class for specifying options to Composite()
public:
UInt16 fFlags;
UInt8 fSrcLevelsToSkip;
UInt8 fOpacity;
hsScalar fRedTint, fGreenTint, fBlueTint;
UInt16 fSrcClipX, fSrcClipY; // Clipping is applied AFTER levelSkip
UInt16 fSrcClipWidth, fSrcClipHeight; // 0 means max width/height
CompositeOptions() { fFlags = 0; fSrcLevelsToSkip = 0; fRedTint = fGreenTint = fBlueTint = 1.f;
fSrcClipX = fSrcClipY = fSrcClipWidth = fSrcClipHeight = 0; fOpacity = 255;}
CompositeOptions( UInt16 flags, UInt8 srcLevelsToSkip = 0, hsScalar red = 1.f, hsScalar green = 1.f,
hsScalar blue = 1.f, UInt16 srcClipX = 0, UInt16 srcClipY = 0,
UInt16 srcClipWidth = 0, UInt16 srcClipHeight = 0, UInt8 opacity = 255 )
{
fFlags = flags;
fSrcLevelsToSkip = srcLevelsToSkip;
fRedTint = red;
fGreenTint = green;
fBlueTint = blue;
fSrcClipX = srcClipX;
fSrcClipY = srcClipY;
fSrcClipWidth = srcClipWidth;
fSrcClipHeight = srcClipHeight;
fOpacity = opacity;
}
};
// Compositing function. Take a (smaller) mipmap and composite it onto this one at the given location. Nil options means use default
virtual void Composite( plMipmap *source, UInt16 x, UInt16 y, CompositeOptions *options = nil );
// Scaling function
enum ScaleFilter
{
kBoxFilter,
kDefaultFilter = kBoxFilter
};
virtual void ScaleNicely( UInt32 *destPtr, UInt16 destWidth, UInt16 destHeight,
UInt16 destStride, plMipmap::ScaleFilter filter ) const;
virtual hsBool ResizeNicely( UInt16 newWidth, UInt16 newHeight, plMipmap::ScaleFilter filter );
protected:
//// Protected Members ////
void *fImage;
UInt32 fWidth, fHeight, fRowBytes, fTotalSize;
UInt8 fNumLevels;
UInt32 *fLevelSizes;
void *fCurrLevelPtr;
UInt8 fCurrLevel;
UInt32 fCurrLevelWidth, fCurrLevelHeight, fCurrLevelRowBytes;
void IReadRawImage( hsStream *stream );
void IWriteRawImage( hsStream *stream );
plMipmap *ISplitAlpha();
void IRecombineAlpha( plMipmap *alphaChannel );
plMipmap *IReadRLEImage( hsStream *stream );
void IWriteRLEImage( hsStream *stream, plMipmap *mipmap );
void IReadJPEGImage( hsStream *stream );
void IWriteJPEGImage( hsStream *stream );
void IBuildLevelSizes();
void IColorLevel( UInt8 level, const UInt8 *colorMask );
hsScalar IGetDetailLevelAlpha( UInt8 level, hsScalar dropStart, hsScalar dropStop, hsScalar min, hsScalar max );
void ICarryZeroAlpha(UInt8 iDst);
void ICarryColor(UInt8 iDst, UInt32 col);
hsBool IGrabBorderColor( hsBool grabVNotU, UInt32 *color );
void ISetCurrLevelUBorder( UInt32 color );
void ISetCurrLevelVBorder( UInt32 color );
virtual UInt32 Read( hsStream *s );
virtual UInt32 Write( hsStream *s );
friend class plCubicEnvironmap;
#ifdef MEMORY_LEAK_TRACER
protected:
class plRecord
{
public:
plRecord *fNext;
plRecord **fBackPtr;
char fKeyName[ 256 ];
void *fImage;
UInt32 fWidth, fHeight, fRowBytes;
UInt8 fNumLevels;
UInt8 fCompressionType;
union
{
DirectXInfo fDirectXInfo;
UncompressedInfo fUncompressedInfo;
};
enum Method
{
kViaCreate,
kViaRead,
kViaClipToMaxSize,
kViaDetailMapConstructor,
kViaCopyFrom,
kViaResize
} fCreationMethod;
void Link( plRecord **backPtr )
{
fBackPtr = backPtr;
fNext = *backPtr;
if( fNext != nil )
fNext->fBackPtr = &fNext;
*backPtr = this;
}
void Unlink()
{
*fBackPtr = fNext;
if( fNext != nil )
fNext->fBackPtr = fBackPtr;
}
};
static plRecord *fRecords;
static UInt32 fNumMipmaps;
static void IAddToMemRecord( plMipmap *mip, plRecord::Method method );
static void IRemoveFromMemRecord( UInt8 *image );
static void IReportLeaks();
#endif
};
#endif // _plMipmap_h