// JPEG error manager:
-struct wx_error_mgr {
- struct jpeg_error_mgr pub; /* "public" fields */
-
+struct wx_error_mgr : jpeg_error_mgr
+{
jmp_buf setjmp_buffer; /* for return to caller */
};
-typedef struct wx_error_mgr * wx_error_ptr;
-
/*
* Here's the routine that will replace the standard error_exit method:
*/
CPP_METHODDEF(void) wx_error_exit (j_common_ptr cinfo)
{
/* cinfo->err really points to a wx_error_mgr struct, so coerce pointer */
- wx_error_ptr myerr = (wx_error_ptr) cinfo->err;
+ wx_error_mgr * const jerr = (wx_error_mgr *) cinfo->err;
/* Always display the message. */
/* We could postpone this until after returning, if we chose. */
(*cinfo->err->output_message) (cinfo);
/* Return control to the setjmp point */
- longjmp(myerr->setjmp_buffer, 1);
+ longjmp(jerr->setjmp_buffer, 1);
}
/*
bool wxJPEGHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbose, int WXUNUSED(index) )
{
struct jpeg_decompress_struct cinfo;
- struct wx_error_mgr jerr;
+ wx_error_mgr jerr;
unsigned char *ptr;
image->Destroy();
- cinfo.err = jpeg_std_error( &jerr.pub );
- jerr.pub.error_exit = wx_error_exit;
+ cinfo.err = jpeg_std_error( &jerr );
+ jerr.error_exit = wx_error_exit;
if (!verbose)
cinfo.err->output_message = wx_ignore_message;
bool wxJPEGHandler::SaveFile( wxImage *image, wxOutputStream& stream, bool verbose )
{
struct jpeg_compress_struct cinfo;
- struct wx_error_mgr jerr;
+ wx_error_mgr jerr;
JSAMPROW row_pointer[1]; /* pointer to JSAMPLE row[s] */
JSAMPLE *image_buffer;
int stride; /* physical row width in image buffer */
- cinfo.err = jpeg_std_error(&jerr.pub);
- jerr.pub.error_exit = wx_error_exit;
+ cinfo.err = jpeg_std_error(&jerr);
+ jerr.error_exit = wx_error_exit;
if (!verbose)
cinfo.err->output_message = wx_ignore_message;