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370 lines
15 KiB
370 lines
15 KiB
/*==LICENSE==* |
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CyanWorlds.com Engine - MMOG client, server and tools |
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Copyright (C) 2011 Cyan Worlds, Inc. |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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You can contact Cyan Worlds, Inc. by email legal@cyan.com |
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or by snail mail at: |
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Cyan Worlds, Inc. |
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14617 N Newport Hwy |
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Mead, WA 99021 |
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*==LICENSE==*/ |
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/////////////////////////////////////////////////////////////////////////////// |
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// // |
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// plMipmap Class Header // |
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// Derived bitmap class representing a single mipmap. // |
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// Cyan, Inc. // |
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// // |
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//// Version History ////////////////////////////////////////////////////////// |
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// // |
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// 6.7.2001 mcn - Created. // |
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// // |
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/////////////////////////////////////////////////////////////////////////////// |
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#ifndef _plMipmap_h |
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#define _plMipmap_h |
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#include "plBitmap.h" |
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#ifdef HS_DEBUGGING |
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#define ASSERT_PIXELSIZE(bitmap, pixelsize) hsAssert((bitmap)->fPixelSize == (pixelsize), "pixelSize mismatch") |
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#define ASSERT_XY(bitmap, x, y) hsAssert(x < (bitmap)->fWidth && y < (bitmap)->fHeight, "bad XY") |
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#define ASSERT_UNCOMPRESSED() hsAssert(fCompressionType!=kDirectXCompression, "Can't operate on compressed map.") |
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// Define the following konstant to enable mipmap leak checking. This is because our normal |
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// memory manager sucks when trying to track down these problems |
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#define MEMORY_LEAK_TRACER |
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#else |
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#define ASSERT_PIXELSIZE(bitmap, pixelsize) |
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#define ASSERT_XY(bitmap, x, y) |
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#define ASSERT_UNCOMPRESSED() |
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#endif |
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//// Class Definition ///////////////////////////////////////////////////////// |
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class plBitmapCreator; |
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class plTextGenerator; |
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class plMipmap : public plBitmap |
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{ |
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friend class plBitmapCreator; |
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friend class plTextGenerator; |
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public: |
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//// Public Flags //// |
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//// Public Data ///// |
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//// Public Members //// |
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plMipmap(); |
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plMipmap( UInt32 width, UInt32 height, unsigned config, UInt8 numLevels = 0, UInt8 compType = kUncompressed, UInt8 format = UncompressedInfo::kRGB8888 ); |
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plMipmap( plMipmap *bm, hsScalar sig, UInt32 createFlags, |
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hsScalar detailDropoffStart, hsScalar detailDropoffStop, |
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hsScalar detailMax, hsScalar detailMin ); |
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virtual ~plMipmap(); |
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CLASSNAME_REGISTER( plMipmap ); |
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GETINTERFACE_ANY( plMipmap, plBitmap ); |
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void Create( UInt32 width, UInt32 height, unsigned config, UInt8 numLevels, UInt8 compType = kUncompressed, UInt8 format = UncompressedInfo::kRGB8888 ); |
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virtual void Reset(); |
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// Get the total size in bytes |
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virtual UInt32 GetTotalSize() const; |
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virtual void Read( hsStream *s, hsResMgr *mgr ) { hsKeyedObject::Read( s, mgr ); this->Read( s ); } |
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virtual void Write( hsStream *s, hsResMgr *mgr ) { hsKeyedObject::Write( s, mgr ); this->Write( s ); } |
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virtual UInt8 GetNumLevels() const { return fNumLevels; } |
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virtual UInt32 GetLevelSize( UInt8 level ); // 0 is the largest |
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virtual void Colorize(); |
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virtual plMipmap *Clone() const; |
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virtual void CopyFrom( const plMipmap *source ); |
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inline UInt32 GetWidth() const { return fWidth; } |
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inline UInt32 GetHeight() const { return fHeight; } |
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inline UInt32 GetRowBytes() const { return fRowBytes; } |
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void *GetImage() const { return fImage; } |
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void SetImagePtr( void *ptr ) { fImage = ptr; } |
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UInt8 *GetLevelPtr( UInt8 level, UInt32 *width = nil, UInt32 *height = nil, UInt32 *rowBytes = nil ); |
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// Sets the current level pointer for use with GetAddr* |
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virtual void SetCurrLevel(UInt8 level); |
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void *GetCurrLevelPtr() const { return fCurrLevelPtr; } |
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UInt32 GetCurrWidth() const { return fCurrLevelWidth; } |
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UInt32 GetCurrHeight() const { return fCurrLevelHeight; } |
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UInt32 GetCurrLevelSize() const { return fLevelSizes[ fCurrLevel ]; } |
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UInt32 GetCurrLevel() const { return fCurrLevel; } |
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// These methods return the address of the pixel specified by x and y |
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// They are meant to be fast, therefore they are inlined and do not check |
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// the fPixelSize field at runtime (except when debugging) |
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UInt8* GetAddr8(unsigned x, unsigned y) const |
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{ |
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ASSERT_PIXELSIZE(this, 8); |
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ASSERT_XY(this, x, y); |
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ASSERT_UNCOMPRESSED(); |
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return (UInt8*)((char*)fCurrLevelPtr + y * fCurrLevelRowBytes + x); |
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} |
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UInt16* GetAddr16(unsigned x, unsigned y) const |
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{ |
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ASSERT_PIXELSIZE(this, 16); |
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ASSERT_XY(this, x, y); |
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ASSERT_UNCOMPRESSED(); |
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return (UInt16*)((char*)fCurrLevelPtr + y * fCurrLevelRowBytes + (x << 1)); |
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} |
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UInt32* GetAddr32(unsigned x, unsigned y) const |
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{ |
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ASSERT_PIXELSIZE(this, 32); |
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ASSERT_XY(this, x, y); |
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ASSERT_UNCOMPRESSED(); |
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return (UInt32*)((char*)fCurrLevelPtr + y * fCurrLevelRowBytes + (x << 2)); |
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} |
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void* GetAddr64(unsigned x, unsigned y) const |
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{ |
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ASSERT_PIXELSIZE(this, 64); |
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ASSERT_XY(this, x, y); |
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ASSERT_UNCOMPRESSED(); |
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return (void*)((char*)fCurrLevelPtr + y * fCurrLevelRowBytes + (x << 3)); |
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} |
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// This sets fPixelSize, fSpace, fFlags, for you |
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// All you need to set is |
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// fWidth, fHeight, fRowBytes, fImage and fColorTable |
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enum { |
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kColor8Config = 0, |
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kGray44Config = 1, |
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kGray4Config = 2, |
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kGray8Config = 8, // So we can use bit depths instead |
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kRGB16Config = 16, |
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kRGB32Config = 24, |
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kARGB32Config = 32, |
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}; |
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void SetConfig( unsigned config ); |
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//// Really complex creation stuff //// |
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enum { |
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kCreateDetailAlpha = 0x1, |
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kCreateDetailAdd = 0x2, |
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kCreateDetailMult = 0x4, |
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kCreateDetailMask = kCreateDetailAlpha | kCreateDetailAdd | kCreateDetailMult, |
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kCreateCarryAlpha = 0x8, |
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kCreateCarryWhite = 0x10, |
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kCreateCarryBlack = 0x20, |
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kCreateCarryMask = kCreateCarryAlpha | kCreateCarryWhite | kCreateCarryBlack |
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}; |
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enum hsGPixelType { |
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kPixelARGB4444, |
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kPixelARGB1555, |
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kPixelAI88, |
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kPixelI8 |
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}; |
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enum hsGCopyOptions { |
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kCopyLODMask, |
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}; |
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enum { |
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kColorDataRLE = 0x1, |
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kAlphaDataRLE = 0x2 |
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}; |
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void SetBitmapAsLevel(UInt8 iDst, plMipmap *bm, hsScalar sig, UInt32 createFlags, |
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hsScalar detailDropoffStart, hsScalar detailDropoffStop, |
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hsScalar detailMax, hsScalar detailMin); |
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void ICreateLevelNoDetail(UInt8 iDst, const plFilterMask& mask); |
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void IBlendLevelDetailAlpha(UInt8 iDst, const plFilterMask& mask, |
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hsScalar detailDropoffStart, hsScalar detailDropoffStop, |
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hsScalar detailMax, hsScalar detailMin); |
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void IBlendLevelDetailAdd(UInt8 iDst, const plFilterMask& mask, |
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hsScalar detailDropoffStart, hsScalar detailDropoffStop, |
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hsScalar detailMax, hsScalar detailMin); |
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void IBlendLevelDetailMult(UInt8 iDst, const plFilterMask& mask, |
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hsScalar detailDropoffStart, hsScalar detailDropoffStop, |
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hsScalar detailMax, hsScalar detailMin); |
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void Filter(hsScalar sig); |
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UInt32 CopyOutPixels(UInt32 destXSize, UInt32 destYSize, UInt32 dstFormat, void *destPixels, UInt32 copyOptions); |
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void ClipToMaxSize( UInt32 maxDimension ); |
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void RemoveMipping(); |
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void EnsureKonstantBorder( hsBool clampU, hsBool clampV ); |
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enum CompositeFlags |
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{ |
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kForceOpaque = 0x0001, // Copy src pixels raw, force dest alphas to opaque |
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kCopySrcAlpha = 0x0002, // Copy the src pixels raw, including alphas, overwrite dest |
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kBlendSrcAlpha = 0x0004, // Blend src pixels onto dest using src alpha, dest alpha = src alpha |
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kMaskSrcAlpha = 0x0008, // Same as copySrcAlpha, but dest is untouched when src alpha = 0 |
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kBlendWriteAlpha= 0x0010 // Like default (0), but writes dest alpha values |
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}; |
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class CompositeOptions |
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{ |
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// Helper class for specifying options to Composite() |
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public: |
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UInt16 fFlags; |
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UInt8 fSrcLevelsToSkip; |
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UInt8 fOpacity; |
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hsScalar fRedTint, fGreenTint, fBlueTint; |
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UInt16 fSrcClipX, fSrcClipY; // Clipping is applied AFTER levelSkip |
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UInt16 fSrcClipWidth, fSrcClipHeight; // 0 means max width/height |
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CompositeOptions() { fFlags = 0; fSrcLevelsToSkip = 0; fRedTint = fGreenTint = fBlueTint = 1.f; |
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fSrcClipX = fSrcClipY = fSrcClipWidth = fSrcClipHeight = 0; fOpacity = 255;} |
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CompositeOptions( UInt16 flags, UInt8 srcLevelsToSkip = 0, hsScalar red = 1.f, hsScalar green = 1.f, |
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hsScalar blue = 1.f, UInt16 srcClipX = 0, UInt16 srcClipY = 0, |
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UInt16 srcClipWidth = 0, UInt16 srcClipHeight = 0, UInt8 opacity = 255 ) |
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{ |
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fFlags = flags; |
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fSrcLevelsToSkip = srcLevelsToSkip; |
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fRedTint = red; |
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fGreenTint = green; |
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fBlueTint = blue; |
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fSrcClipX = srcClipX; |
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fSrcClipY = srcClipY; |
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fSrcClipWidth = srcClipWidth; |
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fSrcClipHeight = srcClipHeight; |
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fOpacity = opacity; |
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} |
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}; |
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// Compositing function. Take a (smaller) mipmap and composite it onto this one at the given location. Nil options means use default |
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virtual void Composite( plMipmap *source, UInt16 x, UInt16 y, CompositeOptions *options = nil ); |
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// Scaling function |
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enum ScaleFilter |
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{ |
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kBoxFilter, |
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kDefaultFilter = kBoxFilter |
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}; |
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virtual void ScaleNicely( UInt32 *destPtr, UInt16 destWidth, UInt16 destHeight, |
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UInt16 destStride, plMipmap::ScaleFilter filter ) const; |
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virtual hsBool ResizeNicely( UInt16 newWidth, UInt16 newHeight, plMipmap::ScaleFilter filter ); |
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protected: |
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//// Protected Members //// |
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void *fImage; |
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UInt32 fWidth, fHeight, fRowBytes, fTotalSize; |
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UInt8 fNumLevels; |
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UInt32 *fLevelSizes; |
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void *fCurrLevelPtr; |
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UInt8 fCurrLevel; |
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UInt32 fCurrLevelWidth, fCurrLevelHeight, fCurrLevelRowBytes; |
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void IReadRawImage( hsStream *stream ); |
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void IWriteRawImage( hsStream *stream ); |
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plMipmap *ISplitAlpha(); |
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void IRecombineAlpha( plMipmap *alphaChannel ); |
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plMipmap *IReadRLEImage( hsStream *stream ); |
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void IWriteRLEImage( hsStream *stream, plMipmap *mipmap ); |
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void IReadJPEGImage( hsStream *stream ); |
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void IWriteJPEGImage( hsStream *stream ); |
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void IBuildLevelSizes(); |
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void IColorLevel( UInt8 level, const UInt8 *colorMask ); |
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hsScalar IGetDetailLevelAlpha( UInt8 level, hsScalar dropStart, hsScalar dropStop, hsScalar min, hsScalar max ); |
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void ICarryZeroAlpha(UInt8 iDst); |
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void ICarryColor(UInt8 iDst, UInt32 col); |
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hsBool IGrabBorderColor( hsBool grabVNotU, UInt32 *color ); |
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void ISetCurrLevelUBorder( UInt32 color ); |
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void ISetCurrLevelVBorder( UInt32 color ); |
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virtual UInt32 Read( hsStream *s ); |
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virtual UInt32 Write( hsStream *s ); |
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friend class plCubicEnvironmap; |
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#ifdef MEMORY_LEAK_TRACER |
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protected: |
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class plRecord |
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{ |
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public: |
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plRecord *fNext; |
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plRecord **fBackPtr; |
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char fKeyName[ 256 ]; |
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void *fImage; |
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UInt32 fWidth, fHeight, fRowBytes; |
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UInt8 fNumLevels; |
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UInt8 fCompressionType; |
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union |
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{ |
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DirectXInfo fDirectXInfo; |
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UncompressedInfo fUncompressedInfo; |
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}; |
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enum Method |
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{ |
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kViaCreate, |
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kViaRead, |
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kViaClipToMaxSize, |
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kViaDetailMapConstructor, |
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kViaCopyFrom, |
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kViaResize |
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} fCreationMethod; |
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void Link( plRecord **backPtr ) |
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{ |
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fBackPtr = backPtr; |
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fNext = *backPtr; |
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if( fNext != nil ) |
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fNext->fBackPtr = &fNext; |
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*backPtr = this; |
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} |
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void Unlink() |
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{ |
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*fBackPtr = fNext; |
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if( fNext != nil ) |
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fNext->fBackPtr = fBackPtr; |
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} |
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}; |
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static plRecord *fRecords; |
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static UInt32 fNumMipmaps; |
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static void IAddToMemRecord( plMipmap *mip, plRecord::Method method ); |
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static void IRemoveFromMemRecord( UInt8 *image ); |
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static void IReportLeaks(); |
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#endif |
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}; |
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#endif // _plMipmap_h
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