// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "gifdecod.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
bool wxGIFDecoder::GoFrame(int which)
{
- int i;
-
if (!IsAnimation())
return false;
if ((which >= 1) && (which <= m_nimages))
{
+ m_image = 1;
m_pimage = m_pfirst;
- for (i = 0; i < which; i++)
+ while (m_image < which)
+ {
+ m_image++;
m_pimage = m_pimage->next;
+ }
return true;
}
/* loop until a valid y coordinate has been
found, Or if the maximum number of passes has
been reached, exit the loop, and stop image
- decoding (At this point the image is succesfully
+ decoding (At this point the image is successfully
decoded).
If we don't loop, but merely set y to some other
value, that new value might still be invalid depending
transparent = buf[4];
/* read disposal method */
- disposal = (buf[1] & 0x1C) - 1;
+ disposal = ((buf[1] & 0x1C) >> 2) - 1;
}
else
/* other extension, skip */