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109 lines
2.8 KiB
ObjectPascal
109 lines
2.8 KiB
ObjectPascal
{-----------------------------------------------------------------------------
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The contents of this file are subject to the Mozilla Public License
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Version 1.1 (the "License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.mozilla.org/MPL/MPL-1.1.html
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Software distributed under the License is distributed on an "AS IS" basis,
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WITHOUT WARRANTY OF ANY KIND, either expressed or implied. See the License for
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the specific language governing rights and limitations under the License.
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The Original Code is: JvRgbToHtml.PAS, released on 2001-02-28.
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The Initial Developer of the Original Code is Sébastien Buysse [sbuysse att buypin dott com]
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Portions created by Sébastien Buysse are Copyright (C) 2001 Sébastien Buysse.
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All Rights Reserved.
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Contributor(s): Michael Beck [mbeck att bigfoot dott com].
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You may retrieve the latest version of this file at the Project JEDI's JVCL home page,
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located at http://jvcl.delphi-jedi.org
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Known Issues:
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-----------------------------------------------------------------------------}
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// $Id$
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unit JvRgbToHtml;
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interface
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uses
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LCLIntf, SysUtils, Classes, Graphics;
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type
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TJvRGBToHTML = class(TComponent)
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private
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FHTMLColor: string;
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FRGBColor: TColor;
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procedure SetRGBColor(const Value: TColor);
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procedure SetHTMLColor(const Value: string);
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public
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constructor Create(AOwner: TComponent); override;
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published
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property RGBColor: TColor read FRGBColor write SetRGBColor default clBlack;
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property HTMLColor: string read FHTMLColor write SetHTMLColor;
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end;
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function RgbToHtml(Value: TColor): string;
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function HtmlToRgb(const Value: string): TColor;
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implementation
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function RgbToHtml(Value: TColor): string;
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begin
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with TJvRGBToHTML.Create(nil) do
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try
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RGBColor := Value;
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Result := HTMLColor;
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finally
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Free;
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end;
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end;
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function HtmlToRgb(const Value: string): TColor;
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begin
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with TJvRGBToHTML.Create(nil) do
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try
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HTMLColor := Value;
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Result := RGBColor;
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finally
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Free;
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end;
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end;
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constructor TJvRGBToHTML.Create(AOwner: TComponent);
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begin
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inherited Create(AOwner);
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RGBColor := clBlack;
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end;
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procedure TJvRGBToHTML.SetRGBColor(const Value: TColor);
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var
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Clr: TColor;
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begin
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FRGBColor := Value;
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Clr := ColorToRGB(Value);
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FHTMLColor := IntToHex(GetRValue(Clr), 2) + IntToHex(GetGValue(Clr), 2) + IntToHex(GetBValue(Clr), 2);
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end;
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procedure TJvRGBToHTML.SetHTMLColor(const Value: string);
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var
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C: TColor;
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R, G, B: Byte;
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begin
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try
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if Length(Value) = 6 then
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begin
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R := StrToInt('$' + Copy(Value, 1, 2));
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G := StrToInt('$' + Copy(Value, 3, 2));
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B := StrToInt('$' + Copy(Value, 5, 2));
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C := RGB(R, G, B);
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FRGBColor := C;
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FHTMLColor := Value;
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end;
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except
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end;
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end;
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end.
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