[trunk] add tcd_get_encoded_tile_size in trunk from branch v2alpha

1 files changed, 27 insertions, 0 deletions

diff --git a/libopenjpeg/tcd.c b/libopenjpeg/tcd.c
index ea09a17f..706d2654 100644
--- a/libopenjpeg/tcd.c
+++ b/libopenjpeg/tcd.c
@@ -2623,4 +2623,31 @@ void tcd_code_block_dec_deallocate (opj_tcd_precinct_v2_t * p_precinct)
 	}
 }
 
+OPJ_UINT32 tcd_get_encoded_tile_size ( opj_tcd_v2_t *p_tcd )
+{
+	OPJ_UINT32 i,l_data_size = 0;
+	opj_image_comp_t * l_img_comp = 00;
+	opj_tcd_tilecomp_t * l_tilec = 00;
+	OPJ_UINT32 l_size_comp, l_remaining;
+
+	l_tilec = p_tcd->tcd_image->tiles->comps;
+	l_img_comp = p_tcd->image->comps;
+	for (i=0;i<p_tcd->image->numcomps;++i) {
+		l_size_comp = l_img_comp->prec >> 3; /*(/ 8)*/
+		l_remaining = l_img_comp->prec & 7;  /* (%8) */
 
+		if (l_remaining) {
+			++l_size_comp;
+		}
+
+		if (l_size_comp == 3) {
+			l_size_comp = 4;
+		}
+
+		l_data_size += l_size_comp * (l_tilec->x1 - l_tilec->x0) * (l_tilec->y1 - l_tilec->y0);
+		++l_img_comp;
+		++l_tilec;
+	}
+
+	return l_data_size;
+}