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10 Commits

Author SHA1 Message Date
Ivan Baravy
459cb3ec5b libimg: Improve support of transparent PNG images. 
* Support grayscale images with alpha channel.
* Support rgb images with transparent color.
* Process 'tRNS' chunk (simple transparency).

Transparent png images were already supported for color type 6, which
is RGBA. Now indexed images (color type 3) can also have transparency
via 'tRNS' chunk data.

git-svn-id: svn://kolibrios.org@8449 a494cfbc-eb01-0410-851d-a64ba20cac60
 2020-12-18 22:08:51 +00:00
Ivan Baravy
eb01893ff6 libimg: fix transparency in indexed png images. 
git-svn-id: svn://kolibrios.org@8399 a494cfbc-eb01-0410-851d-a64ba20cac60
 2020-12-13 21:26:28 +00:00
Ivan Baravy
263f2855f2 libimg: Add and export img.blend function 
git-svn-id: svn://kolibrios.org@8341 a494cfbc-eb01-0410-851d-a64ba20cac60
 2020-12-08 17:40:34 +00:00
IgorA
c87db09b6e libimg: fix save small png images 
git-svn-id: svn://kolibrios.org@7279 a494cfbc-eb01-0410-851d-a64ba20cac60
 2018-05-15 16:43:23 +00:00
IgorA
722650c58d libimg can save 24-bit *.png images 
git-svn-id: svn://kolibrios.org@6733 a494cfbc-eb01-0410-851d-a64ba20cac60
 2016-11-21 16:00:11 +00:00
Ivan Baravy
185caf04b2 libimg: 
new image type: grayscale (Image.bpp9)
tiff fixes for grayscale+alpha images
xcf regression bug fixed (screen mode blending, r2388)


git-svn-id: svn://kolibrios.org@2733 a494cfbc-eb01-0410-851d-a64ba20cac60
 2012-06-04 03:54:14 +00:00
Evgeny Grechnikov (Diamond)
421700a8b0 libimg: interlaced PNG 
git-svn-id: svn://kolibrios.org@1308 a494cfbc-eb01-0410-851d-a64ba20cac60
 2009-12-06 14:02:44 +00:00
Evgeny Grechnikov (Diamond)
f705611d81 * libs-dev: style of exported names changed, ini.get_int -> ini_get_int 
* programs which use libs-dev updated accordingly
* libimg: support for .ico and .cur files (icons and cursors)
* kiv: show many different images in one file in one row

git-svn-id: svn://kolibrios.org@1102 a494cfbc-eb01-0410-851d-a64ba20cac60
 2009-06-03 21:12:49 +00:00
Evgeny Grechnikov (Diamond)
1b6868a022 libimg, version 4: 
* decoder for animated GIFs
* some fixes in PNG and JPEG decoders
* internal image representation now allows 15 and 16 bpp
  (without conversions in decoders)
* decoder for TGA, Z80 from Nable

git-svn-id: svn://kolibrios.org@1079 a494cfbc-eb01-0410-851d-a64ba20cac60
 2009-05-24 16:47:14 +00:00
Evgeny Grechnikov (Diamond)
f49c184a7d libimg: PNG support 
git-svn-id: svn://kolibrios.org@1014 a494cfbc-eb01-0410-851d-a64ba20cac60
 2009-01-31 01:58:27 +00:00