Add JPEG 2000 support.

Signed-off-by: yzrh <yzrh@noema.org>

1 files changed, 36 insertions, 0 deletions

diff --git a/src/cnki_pdf.c b/src/cnki_pdf.c
index 0cb30ca..887e5f4 100644
--- a/src/cnki_pdf.c
+++ b/src/cnki_pdf.c
@@ -11,6 +11,7 @@
 #include "iconv.h"
 #include "zlib.h"
 #include "jpeg.h"
+#include "jp2.h"
 #include "pdf.h"
 #include "pdf_cnki.h"
 
@@ -660,6 +661,41 @@ cnki_pdf_hn(cnki_t **param)
 					dim[i * 2 + 1] = info[1];
 					break;
 				case JPX:
+					ret = strinfo_jp2_dim(&info[0],
+						&info[1],
+						ptr->image_data[i].image,
+						ptr->image_data[i].size);
+
+					if (ret != 0) {
+						dim[i * 2] = 0;
+						dim[i * 2 + 1] = 0;
+						break;
+					}
+
+					stream_size = ptr->image_data[i].size;
+					stream = malloc(stream_size);
+					if (stream == NULL) {
+						free(root_kid);
+						free(ids);
+						free(dim);
+						free(dictionary);
+						return 1;
+					}
+					memcpy(stream, ptr->image_data[i].image, stream_size);
+
+					snprintf(buf, 64, "/Width %d\n/Height %d\n",
+						info[0], info[1]);
+					strcat(dictionary, buf);
+
+					snprintf(buf, 64, "/Length %d\n",
+						stream_size);
+					strcat(dictionary, buf);
+
+					strcat(dictionary, "/Filter /JPXDecode\n");
+
+					dim[i * 2] = info[0];
+					dim[i * 2 + 1] = info[1];
+					break;
 				default:
 					ret = -1;
 					dim[i * 2] = -1;