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Fixed CanRead(), which incorrectly forced version 89a, thus preventing

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valid GIFs with older version numbers (87a) to be loaded correctly. Also,
CanRead() is now in gifdecod.cpp


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3473 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Guillermo Rodriguez Garcia 1999-08-24 22:10:51 +00:00
parent 6dfaa4e5d9
commit bd2fdefea2
1 changed files with 10 additions and 8 deletions
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18
src/common/imaggif.cpp
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@ -8,8 +8,8 @@
/////////////////////////////////////////////////////////////////////////////
/*
We don't put pragma implement in this file because it is already present in
src/common/image.cpp
We don't put pragma implement in this file because it is already present in
src/common/image.cpp
*/
// For compilers that support precompilation, includes "wx.h".
@ -24,7 +24,6 @@ src/common/image.cpp
#endif
#include "wx/image.h"
// #include "wx/imaggif.h"
#include "wx/gifdecod.h"
#include "wx/wfstream.h"
#include "wx/module.h"
@ -68,11 +67,14 @@ bool wxGIFHandler::SaveFile( wxImage * WXUNUSED(image),
bool wxGIFHandler::CanRead( wxInputStream& stream )
{
unsigned char hdr[5];
stream.Read(&hdr, 5);
stream.SeekI(-5, wxFromCurrent);
return (hdr[0] == 'G' && hdr[1] == 'I' && hdr[2] == 'F' && hdr[3] == '8' && hdr[4] == '9');
wxGIFDecoder *decod;
bool ok;
decod = new wxGIFDecoder(&stream);
ok = decod->CanRead();
delete decod;
return ok;
}
#endif