README

TIFF-for-Delphi-Lazarus-Free-Pascal

TIFF image reading/writing for Delphi, Lazarus, Free Pascal

Uwage examples

  Image1.Picture.LoadFromFile('test.tif');

var t: TTifImage;
begin
 Image1.Picture.LoadFromFile('test.bmp');

 t := TTifImage.Create;
 t.Assign(Image1.Picture.Bitmap);
 t.SetCompression(COMPRESSION_LZW);
 t.SaveToFile('out.tif');
 t.Free;

This library can save to these TIFF formats:

• uncompressed
• CCITT3
• CCITT4
• LZW
• JPEG
• ADOBE DEFLATE
• PACKBITS
• DEFLATE (aka ZIP)
• LZMA2 //rare
• Zstandard //rare
• WebP //rare

This unit uses LibTIFF:

https://gitlab.com/libtiff/libtiff License: https://gitlab.com/libtiff/libtiff/-/blob/master/LICENSE.md

Linux (Debian, Ubuntu, Mint)

1. apt install apt-file libtiff-dev
2. apt-file search libtiff.so It will list you how your libtiff.so files are named exactly and where they are
3. Open TifImage.pas and edit "const LIB_TIF"
4. Change the value of that const. Enter filename (excluding path) found in step 2
5. Compile and run