- renamed fpwritebmp.pp

fcl/image/fpwritebmp.pas

@@ -1,161 +0,0 @@
-{
-    $Id$
-    This file is part of the Free Pascal run time library.
-    Copyright (c) 2003 by the Free Pascal development team
-
-    BMP writer implementation.
-    
-    See the file COPYING.FPC, included in this distribution,
-    for details about the copyright.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
- **********************************************************************}
-{$mode objfpc}{$h+}
-unit FPWriteBMP;
-
-interface
-
-uses FPImage, classes, sysutils;
-
-type
-   
-   TBitMapFileHeader = record
-      bfType:word;              // is always 19778 : 'BM'
-      bfSize:longint;           // Filesize
-      bfReserved:longint;
-      bfOffset:longint;         // Offset of image data
-   end;
-
-   TBitMapInfoHeader = record
-      Size:longint;
-      Width:longint;
-      Height:longint;
-      Planes:word;
-      BitCount:word;
-      Compression:longint;
-      SizeImage:longint;
-      XPelsPerMeter:Longint;
-      YPelsPerMeter:Longint;
-      ClrUsed:longint;
-      ClrImportant:longint;
-   end;
-  
-  TFPWriterBMP = class (TFPCustomImageWriter)
-    private
-      BytesPerPixel:Integer;
-      procedure SetColorSize (AValue : byte);
-    protected
-      procedure InternalWrite (Stream:TStream; Img:TFPCustomImage); override;
-    public
-      constructor Create; override;
-  end;
-
-
-implementation
-
-constructor TFPWriterBMP.create;
-begin
-  inherited create;
-  BytesPerPixel := 3
-end;
-
-procedure TFPWriterBMP.SetColorSize (AValue : byte);
-begin
-  if AValue >= 3
-  then
-    BytesPerPixel := 3
-  else if AValue = 0
-  then
-    BytesPerPixel := 1
-  else
-    BytesPerPixel := AValue;
-end;
-
-procedure TFPWriterBMP.InternalWrite (Stream:TStream; Img:TFPCustomImage);
-  function SaveHeader(stream:TStream):boolean;
-    var
-      BFH:TBitMapFileHeader;
-      BFI:TBitMapInfoHeader;
-    begin
-      SaveHeader := false;
-      with BFI do
-        begin
-          Size:=sizeof(TBitMapInfoHeader);
-          Width:=Img.Width;
-          Height:=Img.Height;
-          Planes:=1;
-          BitCount:=BytesPerPixel SHL 3;
-          Compression:=0;
-          SizeImage:=Width*Height;
-          XPelsPerMeter:=100;
-          YPelsPerMeter:=100;
-          ClrUsed:=0;
-          ClrImportant:=0;
-        end;
-      with BFH do
-        begin
-          bfType:=19778;//'BM'
-          bfOffset:=sizeof(TBitMapFileHeader)+sizeof(TBitMapInfoHeader);
-          bfReserved:=0;
-          bfSize:=bfOffset+BFI.SizeImage*BytesPerPixel;
-        end;
-      stream.seek(0,soFromBeginning);
-      stream.Write(bfh,sizeof(TBitMapFileHeader));
-      stream.Write(bfi,sizeof(TBitMapInfoHeader));
-      if(bfi.bitCount = 8)
-      then
-        begin
-//          stream.Write(Palet, bfh.bfOffset - 54);
-        end;
-      SaveHeader := true;
-    end;
-  type
-    TPixel=packed record
-      B,G,R:Byte;
-    end;
-  var
-    Row,Coulumn,nBpLine,WriteSize:Integer;
-    aColor:TFPcolor;
-{$IFDEF UseDynArray}
-    aLine:ARRAY OF TPixel;
-{$ELSE UseDynArray}
-    aLine:^TPixel;
-{$ENDIF UseDynArray}
-  begin
-    SaveHeader(Stream);
-    nBpLine:=Img.Width*SizeOf(TPixel);
-    WriteSize:=(nBpLine+3)AND $FFFFFFFC;//BMP needs evry line 4Bytes aligned
-{$IFDEF UseDynArray}
-    SetLength(aLine,Img.Width+1);//3 extra byte for BMP 4Bytes alignement.
-{$ELSE UseDynArray}
-    GetMem(aLine,(Img.Width+1)*SizeOf(TPixel));//3 extra byte for BMP 4Bytes alignement.
-{$ENDIF UseDynArray}
-    for Row:=img.Height-1 downto 0 do
-      begin
-        for Coulumn:=0 to img.Width-1 do
-          with aLine[Coulumn],aColor do
-            begin
-              aColor:=img.Palette.Color[img.Pixels[Coulumn,Row]];
-              R:=Red;
-              G:=Green;
-              B:=Blue;
-            end;
-        Stream.Write(aLine{$IFNDEF UseDynArray}^{$ENDIF UseDynArray},WriteSize);
-      end;
-{$IFNDEF UseDynArray}
-    FreeMem(aLine,(Img.Width+1)*SizeOf(TPixel));
-{$ENDIF UseDynArray}
-  end;
-
-initialization
-  ImageHandlers.RegisterImageWriter ('BMP Format', 'bmp', TFPWriterBMP);
-end.
-{
-$Log$
-Revision 1.1  2003-09-04 08:44:32  mazen
-+ Adds support of writing BMP files
-
-}