jvqfullcolorspaces.pas

East make Tray Icon in delphi

{******************************************************************************}
{* WARNING:  JEDI VCL To CLX Converter generated unit.                        *}
{*           Manual modifications will be lost on next release.               *}
{******************************************************************************}

{-----------------------------------------------------------------------------
The contents of this file are subject to the Mozilla Public License
Version 1.1 (the "License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.mozilla.org/MPL/MPL-1.1.html

Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either expressed or implied. See the License for
the specific language governing rights and limitations under the License.

The Original Code is: ColorSpaces.pas, released on 2004-09-11.

The Initial Developer of the Original Code is Florent Ouchet [ouchet dott florent att laposte dott net]
Portions created by Florent Ouchet are Copyright (C) 2004 Florent Ouchet.
All Rights Reserved.

Contributor(s): -

You may retrieve the latest version of this file at the Project JEDI's JVCL home page,
located at http://jvcl.sourceforge.net

Known Issues:
-----------------------------------------------------------------------------}
// $Id: JvQFullColorSpaces.pas,v 1.2 2005/02/06 14:06:12 asnepvangers Exp $

// TColorBox is implemented in ExtCtrls in Delphi and BCB version 6 and +

unit JvQFullColorSpaces;

{$I jvcl.inc}

interface

uses
  QWindows, Classes, SysUtils, QGraphics,
  JvQTypes;

type
  TJvAxisIndex = (axIndex0, axIndex1, axIndex2);
  TJvFullColorSpaceID = type Byte;
  TJvFullColor = type Cardinal;

const
  JvSystemColorMask =  clSystemColor; 

  JvSubFullColorMask     = $03000000;

  JvSystemFullColorMask  = $01000000;
  JvSpecialFullColorMask = $03000000;

const
  csRGB = TJvFullColorSpaceID(1 shl 2);
  csHLS = TJvFullColorSpaceID(2 shl 2);
  csCMY = TJvFullColorSpaceID(3 shl 2);
  csYUV = TJvFullColorSpaceID(4 shl 2);
  csHSV = TJvFullColorSpaceID(5 shl 2);
  csYIQ = TJvFullColorSpaceID(6 shl 2);
  csYCC = TJvFullColorSpaceID(7 shl 2);
  csXYZ = TJvFullColorSpaceID(8 shl 2);
  csLAB = TJvFullColorSpaceID(9 shl 2);
  csDEF = TJvFullColorSpaceID(10 shl 2);

  csID_MASK = $FC;
  
  csMIN = $04 and csID_MASK;
  csMAX = $FF and csID_MASK;

  RGB_MIN = 0;
  RGB_MAX = 255;
  HLS_MIN = 0;
  HLS_MAX = 240;
  CMY_MIN = 0;
  CMY_MAX = 255;
  YUV_MIN = 16;
  YUV_MAX = 235;
  HSV_MIN = 0;
  HSV_MAX = 240;
  YIQ_MIN = 0;
  YIQ_MAX = 255;
  YCC_MIN = 0;
  YCC_MAX = 255;
  XYZ_MIN = 0;
  XYZ_MAX = 255;
  LAB_MIN = 0;
  LAB_MAX = 255;
  DEF_MIN = 0;
  DEF_MAX = 255;

  fclRGBBlack = TJvFullColor((Ord(csRGB) shl 24) or $000000);
  fclRGBWhite = TJvFullColor((Ord(csRGB) shl 24) or $FFFFFF);
  fclRGBRed   = TJvFullColor((Ord(csRGB) shl 24) or $0000FF);
  fclRGBLime  = TJvFullColor((Ord(csRGB) shl 24) or $00FF00);
  fclRGBBlue  = TJvFullColor((Ord(csRGB) shl 24) or $FF0000);

  fclDEFWindowText = TJvFullColor((Ord(csDEF) shl 24) or JvSystemFullColorMask or COLOR_WINDOWTEXT);

type
  TJvColorSpace = class(TPersistent)
  private
    FID: TJvFullColorSpaceID;
  protected
    function GetAxisName(Index: TJvAxisIndex): string; virtual;
    function GetAxisMin(Index: TJvAxisIndex): Byte; virtual;
    function GetAxisMax(Index: TJvAxisIndex): Byte; virtual;
    function GetAxisDefault(Index: TJvAxisIndex): Byte; virtual;
    function GetName: string; virtual;
    function GetShortName: string; virtual;
    function GetNumberOfColors: Cardinal; virtual;
  public
    constructor Create(ColorID: TJvFullColorSpaceID); virtual;
    function ConvertFromColor(AColor: TColor): TJvFullColor; virtual;
    function ConvertToColor(AColor: TJvFullColor): TColor; virtual;
    property ID: TJvFullColorSpaceID read FID;
    property NumberOfColors: Cardinal read GetNumberOfColors;
    property Name: string read GetName;
    property ShortName: string read GetShortName;
    property AxisName[Index: TJvAxisIndex]: string read GetAxisName;
    property AxisMin[Index: TJvAxisIndex]: Byte read GetAxisMin;
    property AxisMax[Index: TJvAxisIndex]: Byte read GetAxisMax;
    property AxisDefault[Index: TJvAxisIndex]: Byte read GetAxisDefault;
  end;

  {TJvColorConversionMatrix = array[0..3,0..3] of Extended; // OpenGL and D3D style matrix
  PJvColorConversionMatrix = ^TJvColorConversionMatrix;
  TJvMatrixType = (mtFromRGB, mtToRGB);

  TJvMatrixColorSpace = class(TJvColorSpace)
  protected
    FToRGBMatrix,
    FFromRGBMatrix: TJvColorConversionMatrix;
  public
    constructor Create(ColorID: TJvFullColorSpaceID; AMatrix: PJvColorConversionMatrix;
      MatrixType: TJvMatrixType); reintroduce;
    destructor Destroy; override;
    function ConvertToID(AFullColor: TJvFullColor; NewID: TJvFullColorSpaceID;         //
      RGBToNewIDMatrix: PJvColorConversionMatrix): TJvFullColor;                       // use a call with pointer argument
    function ConvertFromID(AFullColor: TJvFullColor; OldID: TJvFullColorSpaceID;       // because a matrix is 160 Bytes !!!
      OldIDToRGBMatrix: PJvColorConversionMatrix): TJvFullColor;                       //    /!\ not on the stack /!\
    function ConvertFromColor(AColor: TColor): TColor; override;                       //
    function ConvertToColor(AColor: TJvFullColor): TColor; override;
    function GetToRGBMatrix: PJvColorConversionMatrix;
    function GetFromRGBMatrix: PJvColorConversionMatrix;
  end;}

  TJvRGBColorSpace = class(TJvColorSpace)
  protected
    function GetAxisName(Index: TJvAxisIndex): string; override;
    function GetAxisMin(Index: TJvAxisIndex): Byte; override;
    function GetAxisMax(Index: TJvAxisIndex): Byte; override;
    function GetName: string; override;
    function GetShortName: string; override;
    function GetAxisDefault(Index: TJvAxisIndex): Byte; override;
  public
    function ConvertFromColor(AColor: TColor): TJvFullColor; override;
    function ConvertToColor(AColor: TJvFullColor): TColor; override;
  end;

  TJvHLSColorSpace = class(TJvColorSpace)
  protected
    function GetAxisName(Index: TJvAxisIndex): string; override;
    function GetAxisMin(Index: TJvAxisIndex): Byte; override;
    function GetAxisMax(Index: TJvAxisIndex): Byte; override;
    function GetName: string; override;
    function GetShortName: string; override;
    function GetAxisDefault(Index: TJvAxisIndex): Byte; override;
  public
    function ConvertFromColor(AColor: TColor): TJvFullColor; override;
    function ConvertToColor(AColor: TJvFullColor): TColor; override;
  end;

  TJvCMYColorSpace = class(TJvColorSpace)
  protected
    function GetAxisName(Index: TJvAxisIndex): string; override;
    function GetAxisMin(Index: TJvAxisIndex): Byte; override;
    function GetAxisMax(Index: TJvAxisIndex): Byte; override;
    function GetName: string; override;
    function GetShortName: string; override;
    function GetAxisDefault(Index: TJvAxisIndex): Byte; override;
  public
    function ConvertFromColor(AColor: TColor): TJvFullColor; override;
    function ConvertToColor(AColor: TJvFullColor): TColor; override;
  end;

  TJvYUVColorSpace = class(TJvColorSpace)
  protected
    function GetAxisName(Index: TJvAxisIndex): string; override;
    function GetAxisMin(Index: TJvAxisIndex): Byte; override;
    function GetAxisMax(Index: TJvAxisIndex): Byte; override;
    function GetName: string; override;
    function GetShortName: string; override;
    function GetAxisDefault(Index: TJvAxisIndex): Byte; override;
  public
    function ConvertFromColor(AColor: TColor): TJvFullColor; override;
    function ConvertToColor(AColor: TJvFullColor): TColor; override;
  end;

  TJvHSVColorSpace = class(TJvColorSpace)
  protected
    function GetAxisName(Index: TJvAxisIndex): string; override;
    function GetAxisMin(Index: TJvAxisIndex): Byte; override;
    function GetAxisMax(Index: TJvAxisIndex): Byte; override;
    function GetName: string; override;
    function GetShortName: string; override;
    function GetAxisDefault(Index: TJvAxisIndex): Byte; override;
  public
    function ConvertFromColor(AColor: TColor): TJvFullColor; override;
    function ConvertToColor(AColor: TJvFullColor): TColor; override;
  end;

  TJvYIQColorSpace = class(TJvColorSpace)
  protected
    function GetAxisName(Index: TJvAxisIndex): string; override;
    function GetAxisMin(Index: TJvAxisIndex): Byte; override;
    function GetAxisMax(Index: TJvAxisIndex): Byte; override;
    function GetName: string; override;
    function GetShortName: string; override;
    function GetAxisDefault(Index: TJvAxisIndex): Byte; override;
  public
    function ConvertFromColor(AColor: TColor): TJvFullColor; override;
    function ConvertToColor(AColor: TJvFullColor): TColor; override;
  end;

  TJvYCCColorSpace = class(TJvColorSpace)
  protected
    function GetAxisName(Index: TJvAxisIndex): string; override;
    function GetAxisMin(Index: TJvAxisIndex): Byte; override;
    function GetAxisMax(Index: TJvAxisIndex): Byte; override;
    function GetName: string; override;
    function GetShortName: string; override;
    function GetAxisDefault(Index: TJvAxisIndex): Byte; override;
  public
    function ConvertFromColor(AColor: TColor): TJvFullColor; override;
    function ConvertToColor(AColor: TJvFullColor): TColor; override;
  end;

  TJvXYZColorSpace = class(TJvColorSpace)
  protected
    function GetAxisName(Index: TJvAxisIndex): string; override;
    function GetAxisMin(Index: TJvAxisIndex): Byte; override;
    function GetAxisMax(Index: TJvAxisIndex): Byte; override;
    function GetName: string; override;
    function GetShortName: string; override;
    function GetAxisDefault(Index: TJvAxisIndex): Byte; override;
  public
    function ConvertFromColor(AColor: TColor): TJvFullColor; override;
    function ConvertToColor(AColor: TJvFullColor): TColor; override;
  end;

  TJvLABColorSpace = class(TJvColorSpace)
  protected
    function GetAxisName(Index: TJvAxisIndex): string; override;
    function GetAxisMin(Index: TJvAxisIndex): Byte; override;
    function GetAxisMax(Index: TJvAxisIndex): Byte; override;
    function GetName: string; override;
    function GetShortName: string; override;
    function GetAxisDefault(Index: TJvAxisIndex): Byte; override;
  public
    function ConvertFromColor(AColor: TColor): TJvFullColor; override;
    function ConvertToColor(AColor: TJvFullColor): TColor; override;
  end;
  
  TJvDEFColorSpace = class(TJvColorSpace)
  private
    FDelphiColors: TStringList;
    procedure GetColorValuesCallBack(const S: String);
  protected
    function GetName: string; override;
    function GetShortName: string; override;
    function GetNumberOfColors: Cardinal; override;
    function GetColorName(Index: Integer): string;
    function GetPrettyName(Index: Integer): string;
    function GetColorValue(Index: Integer): TColor;
  public
    constructor Create(ColorID: TJvFullColorSpaceID); override;
    destructor Destroy; override;
    function ConvertFromColor(AColor: TColor): TJvFullColor; override;
    function ConvertToColor(AColor: TJvFullColor): TColor; override;
    procedure AddCustomColor(AColor: TColor; ShortName: string; PrettyName: string);
    procedure AddDelphiColor(Value: TColor);
    property ColorCount: Cardinal read GetNumberOfColors;
    property ColorName[Index: Integer]: string read GetColorName;
    property ColorPrettyName[Index: Integer]: string read GetPrettyName;
    property ColorValue[Index: Integer]: TColor read GetColorValue; default;
  end;

  TJvColorSpaceManager = class(TPersistent)
  private
    FColorSpaceList: TList;
    function GetCount: Integer;
    function GetColorSpaceByIndex(Index: Integer): TJvColorSpace;
  protected
    function GetColorSpace(ID: TJvFullColorSpaceID): TJvColorSpace; virtual;
  public
    procedure RegisterColorSpace(NewColorSpace: TJvColorSpace);
    procedure UnRegisterColorSpace(AColorSpace: TJvColorSpace);
    constructor Create;
    destructor Destroy; override;
    function ConvertToID(AColor: TJvFullColor; DestID: TJvFullColorSpaceID): TJvFullColor;
    function ConvertToColor(AColor: TJvFullColor): TColor;
    function ConvertFromColor(AColor: TColor): TJvFullColor;
    function GetColorSpaceID(AColor: TJvFullColor): TJvFullColorSpaceID;

    property ColorSpace[ID: TJvFullColorSpaceID]: TJvColorSpace read GetColorSpace;
    property ColorSpaceByIndex[Index: Integer]: TJvColorSpace read GetColorSpaceByIndex;
    property Count: Integer read GetCount;
  end;

  EJvColorSpaceError = class(EJVCLException);

function ColorSpaceManager: TJvColorSpaceManager;
function GetAxisValue(AColor: TJvFullColor; AAxis: TJvAxisIndex): Byte;
function SetAxisValue(AColor: TJvFullColor; AAxis: TJvAxisIndex; NewValue: Byte): TJvFullColor;

function ColorToPrettyName(Value: TColor): string;
function PrettyNameToColor(Value: string): TColor;

function RGBToBGR(Value: Cardinal): Cardinal;

procedure SplitColorParts(AColor: TJvFullColor; var Part1, Part2, Part3: Integer);
function JoinColorParts(const Part1, Part2, Part3: Integer): TJvFullColor;

implementation

uses
  {$IFDEF UNITVERSIONING}
  JclUnitVersioning,
  {$ENDIF UNITVERSIONING} 
  QControls, QStdCtrls, QExtCtrls, 
  JvQResources, TypInfo, 
  Math;

var
  GlobalColorSpaceManager: TJvColorSpaceManager = nil;

const
  HLS_MAX_HALF = HLS_MAX / 2.0;
  HLS_MAX_ONE_THIRD = HLS_MAX / 3.0;
  HLS_MAX_TWO_THIRDS = (HLS_MAX * 2.0) / 3.0;
  HLS_MAX_SIXTH = HLS_MAX / 6.0;
  HLS_MAX_TWELVETH = HLS_MAX / 12.0;

function ColorSpaceManager: TJvColorSpaceManager;
begin
  if GlobalColorSpaceManager = nil then
  begin
    GlobalColorSpaceManager := TJvColorSpaceManager.Create;
    GlobalColorSpaceManager.RegisterColorSpace(TJvRGBColorSpace.Create(csRGB));
    GlobalColorSpaceManager.RegisterColorSpace(TJvHLSColorSpace.Create(csHLS));
    GlobalColorSpaceManager.RegisterColorSpace(TJvCMYColorSpace.Create(csCMY));
    GlobalColorSpaceManager.RegisterColorSpace(TJvYUVColorSpace.Create(csYUV));
    GlobalColorSpaceManager.RegisterColorSpace(TJvHSVColorSpace.Create(csHSV));
    GlobalColorSpaceManager.RegisterColorSpace(TJvYIQColorSpace.Create(csYIQ));
    GlobalColorSpaceManager.RegisterColorSpace(TJvYCCColorSpace.Create(csYCC));
    GlobalColorSpaceManager.RegisterColorSpace(TJvXYZColorSpace.Create(csXYZ));
    GlobalColorSpaceManager.RegisterColorSpace(TJvLABColorSpace.Create(csLAB));
    GlobalColorSpaceManager.RegisterColorSpace(TJvDEFColorSpace.Create(csDEF));
  end;
  Result := GlobalColorSpaceManager;
end;

function SetAxisValue(AColor: TJvFullColor; AAxis: TJvAxisIndex;
  NewValue: Byte): TJvFullColor;
begin
  case AAxis of
    axIndex0:
      AColor := (AColor and $FFFFFF00) or  NewValue;
    axIndex1:
      AColor := (AColor and $FFFF00FF) or (NewValue shl  8);
    axIndex2:
      AColor := (AColor and $FF00FFFF) or (NewValue shl 16);
  end;
  Result := AColor;
end;

function GetAxisValue(AColor: TJvFullColor; AAxis: TJvAxisIndex): Byte;
begin
  case AAxis of
    axIndex0:
      Result := (AColor and $000000FF);
    axIndex1:
      Result := (AColor and $0000FF00) shr  8;
    axIndex2:
      Result := (AColor and $00FF0000) shr 16;
  else
    Result := 0;
  end;
end;

function RGBToBGR(Value: Cardinal): Cardinal;
begin
  Result :=
   ((Value and $00FF0000) shr 16) or
    (Value and $0000FF00) or
   ((Value and $000000FF) shl 16);
end;

procedure SplitColorParts(AColor: TJvFullColor; var Part1, Part2, Part3: Integer);
begin
  Part1 :=  AColor         and $000000FF;
  Part2 := (AColor shr 8)  and $000000FF;
  Part3 := (AColor shr 16) and $000000FF;
end;

function JoinColorParts(const Part1, Part2, Part3: Integer): TJvFullColor;
begin
  Result :=
     (Part1 and $000000FF) or
    ((Part2 and $000000FF) shl 8) or
    ((Part3 and $000000FF) shl 16);
end;

function ColorToPrettyName(Value: TColor): string;
var
  Index: Integer;
begin