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hmt parser: save texture images for image type 3

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dpethes 2014-10-20 16:18:57 +02:00
parent 72f438b0d8
commit 5d18bdca6c
1 changed files with 30 additions and 2 deletions
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32
hmt_parser/main.pas
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@ -2,7 +2,7 @@ program parse_hmt;
{$mode objfpc}{$H+}
uses
sysutils, hmt_parser, rs_image;
classes, sysutils, hmt_parser, rs_image;
procedure pnm_save(const fname: string; const p: pbyte; const w, h: integer);
var
@ -30,11 +30,39 @@ Begin
CloseFile (f);
end;
procedure WriteTga32b(const filename: string; const data: pbyte; const width, height, data_length: integer);
const
HeaderComment = 'NZA';
var
f: file;
stream: TMemoryStream;
begin
stream := TMemoryStream.Create();
stream.WriteByte(Length(HeaderComment)); //id field length
stream.WriteByte (0); //color map type
stream.WriteByte (2); //image type: 2 = uncompressed true-color image
stream.WriteDWord(0); //5B color map specification: 2B origin, 2B length
stream.WriteByte (0); // 1B Color Map Entry Size.
stream.WriteDWord(0); //2B x origin, 2B y origin
stream.WriteWord (width); //width in pixels
stream.WriteWord (height); //height in pixels
stream.WriteByte (32); //bits per pixel
stream.WriteByte ($20); //image descriptor
stream.Write(HeaderComment, Length(HeaderComment));
AssignFile(f, filename);
Rewrite(f, 1);
blockwrite(f, stream.Memory^, stream.Size);
blockwrite(f, data^, data_length);
CloseFile(f);
stream.Free;
end;
procedure SaveImage(var image: TRSImage; const outname: string);
begin
case image.type_ of
0, 1: pnm_save(outname + '.pnm', image.pixels, image.width, image.height);
//3: WriteTga(outname + '.tga', image.pixels, image.width, image.height, image.width * image.height * 4);
3: WriteTga32b(outname + '.tga', image.pixels, image.width, image.height, image.width * image.height * 4);
4: pgm_save(outname + '.pgm', image.pixels, image.width, image.height);
else
writeln('image type was not saved: ', image.type_);