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{
This file is part of text IDE
Copyright (c) 2000 by Pierre Muller
Unit to export current screen buffer to an ansi file
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.
**********************************************************************}
unit fpdpansi;
interface
uses
objects,
video;
function ExportBufferToAnsiFile(var Buffer : TVideoBuf;xmin,xmax,ymin,ymax,linesize : sw_integer;
SaveAsText : boolean;var f : text) : boolean;
implementation
uses
wutils;
const
{ Foreground and background color constants }
Black = 0;
Blue = 1;
Green = 2;
Cyan = 3;
Red = 4;
Magenta = 5;
Brown = 6;
LightGray = 7;
const ColorTab : array[0..7] of byte =
(Black,Red,Green,Brown,Blue,Magenta,Cyan,LightGray);
{$i-}
function ExportBufferToAnsiFile(var Buffer : TVideoBuf;xmin,xmax,ymin,ymax,linesize : sw_integer;
SaveAsText : boolean;var f : text) : boolean;
var
CurColor : byte;
CurForColor, CurBackColor : byte;
CurIsBold, CurIsBlinking : boolean;
procedure ChangeColor(NewColor : byte);
var
ForColor, BackColor : byte;
IsBold, IsBlinking : boolean;
begin
ForColor:=NewColor and 7;
BackColor:=(NewColor and $70) shr 4;
IsBold:=(NewColor and 8) <> 0;
IsBlinking:=(NewColor and $80) <> 0;
if IsBlinking<>CurIsBlinking then
begin
if IsBlinking then
Write(f,#27'[5m')
else
Write(f,#27'[25m');
CurIsBlinking:=IsBlinking;
end;
if IsBold<>CurIsBold then
begin
if IsBold then
Write(f,#27'[1m')
else
Write(f,#27'[21m');
CurIsBold:=IsBold;
end;
if CurForColor<>ForColor then
begin
Write(f,#27'['+inttostr(ColorTab[ForColor]+30)+'m');
CurForColor:=ForColor;
end;
if CurBackColor<>BackColor then
begin
Write(f,#27'['+inttostr(ColorTab[BackColor]+40)+'m');
CurBackColor:=BackColor;
end;
CurColor:=NewColor;
end;
var
Ch : char;
textAttr : byte;
i, j : sw_integer;
begin
CurColor:=0;
for i:=ymin to ymax do
begin
for j:=xmin to xmax do
begin
ch:=chr(Buffer[i*linesize+j] and $ff);
textattr:=Buffer[i*linesize+j] shr 8;
if (textattr<>CurColor) and not SaveAsText then
ChangeColor(textattr);
{ Escape escape, by printing two #27 PM }
if (ch=#27) or (ord(ch)<=16) then
Write(f,#27);
Write(f,ch);
end;
writeln(f);
end;
ExportBufferToAnsiFile:=(IOResult=0);
end;
end.
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