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Added GIF and animated GIF saving support.

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Applied (modified) patch by troelsk. Also added a basic unit test for checking the frames of a saved animated GIF (a previous unit test already handles content of a GIF with a single frame).

Closes #8583.



git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@66716 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Dimitri Schoolwerth
2011-01-19 12:28:31 +00:00
parent 818bc81a8b
commit 77b83d0a0f
6 changed files with 798 additions and 18 deletions
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4
interface/wx/image.h
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@@ -334,7 +334,7 @@ const unsigned char wxIMAGE_ALPHA_OPAQUE = 0xff;
- wxBMPHandler: For loading (including alpha support) and saving, always installed.
- wxPNGHandler: For loading and saving. Includes alpha support.
- wxJPEGHandler: For loading and saving.
- wxGIFHandler: Only for loading, due to legal issues.
- wxGIFHandler: For loading and saving (see below).
- wxPCXHandler: For loading and saving (see below).
- wxPNMHandler: For loading and saving (see below).
- wxTIFFHandler: For loading (including alpha support) and saving.
@@ -352,6 +352,8 @@ const unsigned char wxIMAGE_ALPHA_OPAQUE = 0xff;
Loading PNMs only works for ASCII or raw RGB images.
When saving in PNM format, wxPNMHandler will always save as raw RGB.
Saving GIFs requires images of maximum 8 bpp (see wxQuantize), and the alpha channel converted to a mask (see wxImage::ConvertAlphaToMask).
Saving an animated GIF requires images of the same size (see wxGIFHandler::SaveAnimation)
@library{wxcore}
@category{gdi}