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+ setting image attributes when loading images

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* fixing copyright section in the file header
This commit is contained in:
mazen 2003-09-09 11:26:59 +00:00
parent 43840ab3ca
commit d76b345184
1 changed files with 40 additions and 33 deletions
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73
fcl/image/fpreadbmp.pp
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@ -1,7 +1,8 @@
{*****************************************************************************}
{
$Id$
This file is part of the Free Pascal run time library.
Copyright (c) 2003 by the Free Pascal development team
This file is part of the Free Pascal's "Free Components Library".
Copyright (c) 2003 by Mazen NEIFER of the Free Pascal development team
BMP writer implementation.
@ -11,8 +12,8 @@
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 FPReadBMP;
@ -58,9 +59,6 @@ implementation
uses BMPcomn;
const
WhiteSpace = ' '#8#10#13;
constructor TFPReaderBMP.create;
begin
inherited create;
@ -85,37 +83,42 @@ procedure TFPReaderBMP.InternalRead(Stream:TStream; Img:TFPCustomImage);
begin
Stream.Read(BFI,SizeOf(BFI));
with BFI do
if(bitCount = 8)
then
begin
// stream.read(Palet, bfh.bfOffset - 54);
end
begin
Img.Width:=Width;
Img.Height:=Height;
BytesPerPixel:=BitCount SHR 3;
end;
if BytesPerPixel=1
then
begin
// stream.read(Palet, bfh.bfOffset - 54);
end
{Treating the 24bit BMP files}
else
begin
nBpLine:=Img.Width*SizeOf(TColorRGB);
ReadSize:=(nBpLine+3)AND $FFFFFFFC;//BMP needs evry line 4Bytes aligned
else
begin
nBpLine:=Img.Width*SizeOf(TColorRGB);
ReadSize:=(nBpLine+3)AND $FFFFFFFC;//BMP needs evry line 4Bytes aligned
{$IFDEF UseDynArray}
SetLength(aLine,Img.Width+1);//3 extra byte for BMP 4Bytes alignement.
SetLength(aLine,Img.Width+1);//3 extra byte for BMP 4Bytes alignement.
{$ELSE UseDynArray}
GetMem(aLine,(Img.Width+1)*SizeOf(TColorRGB));//3 extra byte for BMP 4Bytes alignement.
GetMem(aLine,(Img.Width+1)*SizeOf(TColorRGB));//3 extra byte for BMP 4Bytes alignement.
{$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
for Row:=img.Height-1 downto 0 do
begin
for Coulumn:=0 to img.Width-1 do
with aLine[Coulumn],aColor do
begin
{Use only the high byte to convert the color}
Red:=R shl 8;
Green:=G shl 8;
Blue:=B shl 8;
img.colors[Coulumn,Row]:=aColor;
end;
Stream.Write(aLine{$IFNDEF UseDynArray}^{$ENDIF UseDynArray},ReadSize);
end;
end;
Red:=R shl 8;
Green:=G shl 8;
Blue:=B shl 8;
img.colors[Coulumn,Row]:=aColor;
end;
Stream.Write(aLine{$IFNDEF UseDynArray}^{$ENDIF UseDynArray},ReadSize);
end;
end;
{$IFNDEF UseDynArray}
FreeMem(aLine,(Img.Width+1)*SizeOf(TColorRGB));
FreeMem(aLine,(Img.Width+1)*SizeOf(TColorRGB));
{$ENDIF UseDynArray}
end;
@ -140,7 +143,11 @@ initialization
end.
{
$Log$
Revision 1.1 2003-09-08 14:10:10 mazen
Revision 1.2 2003-09-09 11:26:59 mazen
+ setting image attributes when loading images
* fixing copyright section in the file header
Revision 1.1 2003/09/08 14:10:10 mazen
+ adding support for loading bmp images
}