FMEMCOPY FMEMZERO jcopy_block_row jcopy_sample_rows jdiv_round_up JPEG_INTERNALS jpeg_natural_order jpeg_natural_order2 jpeg_natural_order3 jpeg_natural_order4 jpeg_natural_order5 jpeg_natural_order6 jpeg_natural_order7 jround_up jzero_far

jcopy_sample_rows ( JSAMPARRAY  input_array, int  source_row, JSAMPARRAY  output_array, int  dest_row, int  num_rows, JDIMENSION  num_cols  ) Definition at line 163 of file jutils.c. Referenced by expand_bottom_edge(), fullsize_downsample(), grayscale_convert(), h2v2_upsample(), and int_upsample(). { register JSAMPROW inptr, outptr; #ifdef FMEMCOPY register size_t count = (size_t) (num_cols * SIZEOF(JSAMPLE)); #else register JDIMENSION count; #endif register int row; input_array += source_row; output_array += dest_row; for (row = num_rows; row > 0; row--) { inptr = *input_array++; outptr = *output_array++; #ifdef FMEMCOPY FMEMCOPY(outptr, inptr, count); #else for (count = num_cols; count > 0; count--) *outptr++ = *inptr++; /* needn't bother with GETJSAMPLE() here */ #endif } }