forked from Mirrors/openclonk
75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
/*
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* OpenClonk, http://www.openclonk.org
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*
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* Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de/
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* Copyright (c) 2013-2016, The OpenClonk Team and contributors
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*
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* Distributed under the terms of the ISC license; see accompanying file
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* "COPYING" for details.
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*
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* "Clonk" is a registered trademark of Matthes Bender, used with permission.
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* See accompanying file "TRADEMARK" for details.
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*
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* To redistribute this file separately, substitute the full license texts
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* for the above references.
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*/
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// a class holding a 8 bpp memory surface
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#ifndef INC_StdSurface8
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#define INC_StdSurface8
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class CSurface8
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{
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public:
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CSurface8();
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~CSurface8();
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CSurface8(int iWdt, int iHgt); // create new surface and init it
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public:
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int Wdt,Hgt,Pitch; // size of surface
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int ClipX,ClipY,ClipX2,ClipY2;
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BYTE *Bits;
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CStdPalette *pPal; // pal for this surface (usually points to the main pal)
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bool HasOwnPal(); // return whether the surface palette is owned
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void HLine(int iX, int iX2, int iY, int iCol);
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void Box(int iX, int iY, int iX2, int iY2, int iCol);
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void Circle(int x, int y, int r, BYTE col);
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void ClearBox8Only(int iX, int iY, int iWdt, int iHgt); // clear box in 8bpp-surface only
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void SetPix(int iX, int iY, BYTE byCol)
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{
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// clip
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if ((iX<ClipX) || (iX>ClipX2) || (iY<ClipY) || (iY>ClipY2)) return;
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// set pix in local copy...
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if (Bits) Bits[iY*Pitch+iX]=byCol;
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}
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void _SetPix(int iX, int iY, BYTE byCol)
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{
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// set pix in local copy without bounds or surface checks
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Bits[iY*Pitch+iX]=byCol;
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}
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BYTE GetPix(int iX, int iY) const // get pixel
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{
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if (iX<0 || iY<0 || iX>=Wdt || iY>=Hgt) return 0;
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return Bits ? Bits[iY*Pitch+iX] : 0;
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}
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inline BYTE _GetPix(int x, int y) const // get pixel (bounds not checked)
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{
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return Bits[y*Pitch+x];
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}
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bool Create(int iWdt, int iHgt);
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void MoveFrom(C4Surface *psfcFrom); // grab data from other surface - invalidates other surface
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void Clear();
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void Clip(int iX, int iY, int iX2, int iY2);
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void NoClip();
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bool Read(class CStdStream &hGroup);
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bool Save(const char *szFilename, CStdPalette * = nullptr);
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void GetSurfaceSize(int &irX, int &irY) const; // get surface size
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void AllowColor(BYTE iRngLo, BYTE iRngHi, bool fAllowZero=false);
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void SetBuffer(BYTE *pbyToBuf, int Wdt, int Hgt, int Pitch);
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void ReleaseBuffer();
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protected:
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void MapBytes(BYTE *bpMap);
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bool ReadBytes(BYTE **lpbpData, void *bpTarget, int iSize);
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};
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#endif
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