122 lines
3.0 KiB
Plaintext
122 lines
3.0 KiB
Plaintext
(*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* http://www.opensource.org/licenses/cddl1.php.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* http://www.opensource.org/licenses/cddl1.php. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying * information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Portions Copyright 2011 Andreas Schneider
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*)
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unit ULight;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, Imaging, ImagingClasses, ImagingTypes, UMulBlock,
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UGenericIndex;
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type
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{ TLight }
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TLight = class(TMulBlock)
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constructor Create(AData: TStream; AIndex: TGenericIndex);
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destructor Destroy; override;
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function Clone: TLight; override;
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function GetSize: Integer; override;
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procedure Write(AData: TStream); override;
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protected
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FGraphic: TSingleImage;
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public
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property Graphic: TSingleImage read FGraphic;
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end;
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implementation
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{ TLight }
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constructor TLight.Create(AData: TStream; AIndex: TGenericIndex);
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var
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buffer: TMemoryStream;
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Width, Height: Word;
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color: Byte;
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color32: TColor32Rec;
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x, y: Integer;
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begin
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if (AIndex <> nil) and (AIndex.Lookup > -1) and (AIndex.Size > 0) then
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begin
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Width := word(AIndex.Various shr 16);
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Height := AIndex.Various and $FFFF;
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FGraphic := TSingleImage.CreateFromParams(Width, Height, ifA8R8G8B8);
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if AData <> nil then
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begin
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AData.Position := AIndex.Lookup;
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buffer := TMemoryStream.Create;
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buffer.CopyFrom(AData, AIndex.Size);
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buffer.Position := 0;
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for y := 0 to Height - 1 do
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for x := 0 to Width - 1 do
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begin
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buffer.Read(color, SizeOf(Byte));
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color32.R := Byte(color * 8);
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color32.G := color32.R;
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color32.B := color32.R;
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if color > 0 then
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color32.A := 255
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else
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color32.A := 0;
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PColor32(FGraphic.PixelPointers[x, y])^ := color32.Color;
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end;
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buffer.Free;
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end;
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end;
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if FGraphic = nil then
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FGraphic := TSingleImage.CreateFromParams(0, 0, ifA8R8G8B8);
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end;
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destructor TLight.Destroy;
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begin
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FreeAndNil(FGraphic);
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inherited Destroy;
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end;
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function TLight.Clone: TLight;
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begin
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Result := TLight.Create(nil, nil);
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Result.Graphic.Assign(FGraphic);
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end;
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function TLight.GetSize: Integer;
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begin
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Result := 0;
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raise Exception.Create('Not implemented: TLight.GetSize');
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end;
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procedure TLight.Write(AData: TStream);
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begin
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raise Exception.Create('Not implemented: TLight.Write');
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end;
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end.
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