{========================================================================}
{=                (c) 1995-98 SwiftSoft Ronald Dittrich                 =}
{========================================================================}
{=                          All Rights Reserved                         =}
{========================================================================}
{=  D 01099 Dresden             = Tel.: +0351-8012255                   =}
{=  Loewenstr.7a                = info@swiftsoft.de                     =}
{========================================================================}
{=  Actual versions on http://www.swiftsoft.de/mmtools.html             =}
{========================================================================}
{=  This code is for reference purposes only and may not be copied or   =}
{=  distributed in any format electronic or otherwise except one copy   =}
{=  for backup purposes.                                                =}
{=                                                                      =}
{=  No Delphi Component Kit or Component individually or in a collection=}
{=  subclassed or otherwise from the code in this unit, or associated   =}
{=  .pas, .dfm, .dcu, .asm or .obj files may be sold or distributed     =}
{=  without express permission from SwiftSoft.                          =}
{=                                                                      =}
{=  For more licence informations please refer to the associated        =}
{=  HelpFile.                                                           =}
{========================================================================}
{=  $Date: 20.01.1998 - 18:00:00 $                                      =}
{========================================================================}
unit MMDIBCv;

{$I COMPILER.INC}

{$IFNDEF WIN32}
   {$DEFINE USEWING}
{$ENDIF}

interface

uses
{$IFDEF WIN32}
    Windows,
{$ELSE}
    WinTypes,
    WinProcs,
{$ENDIF}
    Classes,
    Controls,
    Graphics,
    Dialogs,
    SysUtils,
    MMObj,
    MMUtils,
    MMDIB,
    CRightC
{$IFDEF USEWING}
    ,MMWinG
{$ENDIF};

const
     { different DIB Orientations }
     DIB_TOPDOWN  = -1;
     DIB_BOTTOMUP =  1;
     { DIB_TOPDOWN is the fastest, but many drivers can't work with    }
     { this STANDARD format. For example the ATI driver causes a GPF   }
     { in BitBlt. NEVER buy a ATI card, if you would have trouble do it!}
     DIB_ORIENT: integer = DIB_BOTTOMUP;   { Bottom - Up DIB !! }

type
    EMMDIBError = class(Exception);

    {-- TMMDIBCanvas ----------------------------------------------------}
    TMMDIBCanvas = class(TCanvas)
    public
           constructor Create; virtual;
           destructor  Destroy; override;
           procedure   SetBounds(aLeft, aTop, aWidth, aHeight: Integer); virtual;
           procedure   SetLogPalette(pLogPal: PLogPalette);

           procedure DIB_Init;
           procedure DIB_InitDrawing;
           procedure DIB_DoneDrawing;

           procedure DIB_SetTColor(Color: TColor);
           procedure DIB_SetColorRef(ColorRef: Longint);
           function  DIB_ColorToIndex(Color: TColor): Longint;
           procedure DIB_SetColor(Index: Longint);

           procedure DIB_SetClipRect(R: TRect);
           function  DIB_GetClipRect: TRect;

           function  DIB_GetPixelAddress(aSurface: Pointer; X, Y: integer): Pointer;

           procedure DIB_SetPixel(X, Y: integer; Color: Longint);{$IFDEF WIN32}pascal;{$ENDIF}
           function  DIB_GetPixel(X, Y: integer): Longint;{$IFDEF WIN32}pascal;{$ENDIF}
           procedure DIB_Line(X1, Y1, X2, Y2: integer);{$IFDEF WIN32}pascal;{$ENDIF}
           procedure DIB_LineNotXor(X1, Y1, X2, Y2: integer);{$IFDEF WIN32}pascal;{$ENDIF}
           procedure DIB_MoveTo(X,Y: integer);{$IFDEF WIN32}pascal;{$ENDIF}
           procedure DIB_LineTo(X,Y: integer);{$IFDEF WIN32}pascal;{$ENDIF}
           procedure DIB_HLine(X1, X2, Y: integer);{$IFDEF WIN32}pascal;{$ENDIF}
           procedure DIB_HLineDashed(X1, X2, Y: integer);{$IFDEF WIN32}pascal;{$ENDIF}
           procedure DIB_HLineDoted(X1, X2, Y, Steps: integer);{$IFDEF WIN32}pascal;{$ENDIF}
           procedure DIB_VLine(X, Y1, Y2: integer);{$IFDEF WIN32}pascal;{$ENDIF}
           procedure DIB_VLineXor(X, Y1, Y2: integer);{$IFDEF WIN32}pascal;{$ENDIF}
           procedure DIB_VLineNotXor(X, Y1, Y2: integer);{$IFDEF WIN32}pascal;{$ENDIF}
           procedure DIB_VLineDashed(X, Y1, Y2: integer);{$IFDEF WIN32}pascal;{$ENDIF}
           procedure DIB_VLineDoted(X, Y1, Y2, Steps: integer);{$IFDEF WIN32}pascal;{$ENDIF}
           procedure DIB_VLineMultiColor(X, Y: integer; Colors: PByte; Cnt: integer);{$IFDEF WIN32}pascal;{$ENDIF}
           procedure DIB_Rectangle(X1, Y1, X2, Y2: integer);{$IFDEF WIN32}pascal;{$ENDIF}
           procedure DIB_FillRect(Rect: TRect);{$IFDEF WIN32}pascal;{$ENDIF}
           procedure DIB_FillRectXor(Rect: TRect);{$IFDEF WIN32}pascal;{$ENDIF}
           procedure DIB_FillRectDoted(Rect: TRect; Doted: Boolean);{$IFDEF WIN32}pascal;{$ENDIF}
           procedure DIB_Ellipse(X, Y: integer; StAngle, EndAngle, XRadius, YRadius: Word);{$IFDEF WIN32}pascal;{$ENDIF}
           procedure DIB_FillEllipse(X, Y: integer; XRadius, YRadius: Word);{$IFDEF WIN32}pascal;{$ENDIF}
           procedure DIB_Clear;{$IFDEF WIN32}pascal;{$ENDIF}
           procedure DIB_CopyDIBBits(Source:Pointer;XDst,YDst,Width,Height,XSrc,YSrc: integer);{$IFDEF WIN32}pascal;{$ENDIF}
           procedure DIB_BitBlt(DestDC: THandle; Dest: TRect; X, Y: integer);
           procedure DIB_StretchBlt(DestDC: THandle; Dest: TRect; Src: TRect);

           procedure BeginAnimate;
           procedure EndAnimate;

           property Surface: Pointer read FPSurface;
           property BackSurface: Pointer read FPBackSurface;
           property BitmapInfo: PBitmapInfo read FPBitmapInfo;
           property Bitmap: HBitmap read FHBitmap;
           property Palette: HPalette read FHPalette;

           property AnimatedColorCount: Integer read GetAnimCount write SetAnimCount;
           property AnimatedColor[i: Integer]: TColor read GetAnimColor;
           property AnimatedColorValue[i: Integer]: TColor read GetAnimColorValue write SetAnimColorValue;
           property AnimatedColorIndex[i: Integer]: Integer read GetAnimColorIndex ;

    published
           property BitsPerPixel: integer read FBits write SetBPP stored True;
           property PaletteRealize: Boolean read FRealize write SetRealize default False;
           property PaletteMapped: Boolean read FMapped write SetMapped default False;
           property BackGroundBitmap: TBitmap read FBackBitmap write SetBackBitmap;
           property Width: integer read FWidth write SetWidth default 1;
           property Height: integer read FHeight write SetHeight default 1;
    end;

    {-- TMMDIBGraphicControl --------------------------------------------}
    TMMDIBGraphicControl = class(TMMGraphicControl)
    public
           constructor Create(AOwner: TComponent); override;
           destructor  Destroy; override;
           procedure   DrawBackGround;
           property    DIBCanvas: TMMDIBCanvas read FDIBCanvas write FDIBCanvas;
           property    BitsPerPixel: integer read GetBPP write SetBPP default 8;
    end;

implementation