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/*  Project nGenEx
    Destroyer Studios LLC
    Copyright © 1997-2004. All Rights Reserved.

    SUBSYSTEM:    nGenEx.lib
    FILE:         Bitmap.h
    AUTHOR:       John DiCamillo


    OVERVIEW
    ========
    Bitmap Resource class
*/

#ifndef Bitmap_h
#define Bitmap_h

#include "Res.h"
#include "Types.h"
#include "Geometry.h"

// +--------------------------------------------------------------------+

class Color;
class ColorIndex;

class Bitmap : public Resource
{
public:
   static const char* TYPENAME() { return "Bitmap"; }

   enum BMP_TYPES { BMP_SOLID, BMP_TRANSPARENT, BMP_TRANSLUCENT };

   Bitmap();
   Bitmap(int w, int h, ColorIndex* p=0, int t=BMP_SOLID);
   Bitmap(int w, int h, Color*      p,   int t=BMP_SOLID);
   virtual ~Bitmap();

   int            IsIndexed()       const { return pix   != 0;        }
   int            IsHighColor()     const { return hipix != 0;        }
   int            IsDual()          const { return IsIndexed() &&
                                                   IsHighColor();     }

   void           SetType(int t)          { type = t;                 }
   int            Type()            const { return type;              }
   bool           IsSolid()         const { return type==BMP_SOLID;       }
   bool           IsTransparent()   const { return type==BMP_TRANSPARENT; }
   bool           IsTranslucent()   const { return type==BMP_TRANSLUCENT; }

   int            Width()           const { return width;   }
   int            Height()          const { return height;  }
   ColorIndex*    Pixels()          const { return pix;     }
   Color*         HiPixels()        const { return hipix;   }
   int            BmpSize()         const;
   int            RowSize()         const;

   ColorIndex     GetIndex(int x, int y) const;
   Color          GetColor(int x, int y) const;
   void           SetIndex(int x, int y, ColorIndex c);
   void           SetColor(int x, int y, Color      c);

   void           FillColor(Color c);

   void           ClearImage();
   void           BitBlt(int x, int y, const Bitmap& srcImage, int sx, int sy, int w, int h, bool blend=false);
   void           CopyBitmap(const Bitmap& rhs);
   void           CopyImage(int w, int h, BYTE* p, int t=BMP_SOLID);
   void           CopyHighColorImage(int w, int h, DWORD* p, int t=BMP_SOLID);
   void           CopyAlphaImage(int w, int h, BYTE* p);
   void           CopyAlphaRedChannel(int w, int h, DWORD* p);
   void           AutoMask(DWORD mask=0);

   virtual BYTE*  GetSurface();
   virtual int    Pitch() const;
   virtual int    PixSize() const;
   bool           ClipLine(int& x1, int& y1, int& x2, int& y2);
   bool           ClipLine(double& x1, double& y1, double& x2, double& y2);
   void           DrawLine(int x1, int y1, int x2, int y2, Color color);
   void           DrawRect(int x1, int y1, int x2, int y2, Color color);
   void           DrawRect(const Rect& r, Color color);
   void           FillRect(int x1, int y1, int x2, int y2, Color color);
   void           FillRect(const Rect& r, Color color);
   void           DrawEllipse(int x1, int y1, int x2, int y2, Color color, BYTE quad=0x0f);
   void           DrawEllipsePoints(int x0, int y0, int x, int y, Color c, BYTE quad);

   void           ScaleTo(int w, int h);
   void           MakeIndexed();
   void           MakeHighColor();
   void           MakeTexture();
   bool           IsTexture() const       { return texture; }
   void           TakeOwnership()         { ownpix = true; }

   const char*    GetFilename() const     { return filename; }
   void           SetFilename(const char* s);

   DWORD          LastModified()    const { return last_modified; }

   static Bitmap* Default();

   static Bitmap* GetBitmapByID(HANDLE bmp_id);
   static Bitmap* CheckCache(const char* filename);
   static void    AddToCache(Bitmap* bmp);
   static void    CacheUpdate();
   static void    ClearCache();
   static DWORD   CacheMemoryFootprint();

protected:
   int            type;
   int            width;
   int            height;
   int            mapsize;

   bool           ownpix;
   bool           alpha_loaded;
   bool           texture;

   ColorIndex*    pix;
   Color*         hipix;
   DWORD          last_modified;
   char           filename[64];
};

#endif Bitmap_h