// --------------------------------------------------------------------------
-// constants
+// Constants
// --------------------------------------------------------------------------
-// disposal method
+// Error codes:
+// Note that the error code wxGIF_TRUNCATED means that the image itself
+// is most probably OK, but the decoder didn't reach the end of the data
+// stream; this means that if it was not reading directly from file,
+// the stream will not be correctly positioned. the
+//
+enum
+{
+ wxGIF_OK = 0, /* everything was OK */
+ wxGIF_INVFORMAT, /* error in gif header */
+ wxGIF_MEMERR, /* error allocating memory */
+ wxGIF_TRUNCATED /* file appears to be truncated */
+};
+
+// Disposal method
+// Experimental; subject to change.
+//
enum
{
wxGIF_D_UNSPECIFIED = -1, /* not specified */
wxGIF_D_TOPREVIOUS = 2 /* restore to previous image */
};
-// error codes
-enum
-{
- wxGIF_OK = 0, /* everything was OK */
- wxGIF_INVFORMAT = 1, /* error in gif header */
- wxGIF_MEMERR = 2 /* error allocating memory */
-};
#define MAX_BLOCK_SIZE 256 /* max. block size */
int getcode(int bits, int abfin);
int dgif(GIFImage *img, int interl, int bits);
-protected:
+public:
// get data of current frame
int GetFrameIndex() const;
unsigned char* GetData() const;