[libpng16] Added png_set_itxt() (work in progress)

1 files changed, 8 insertions, 0 deletions

diff --git a/example.c b/example.c
index ebc43dc60..0549aeb1a 100644
--- a/example.c
+++ b/example.c
@@ -863,6 +863,13 @@ void write_png(char *file_name /* , ... other image information ... */)
     */
    png_set_gAMA(png_ptr, info_ptr, gamma);
 
+#if PNG_LIBPNG_VER >= 1.6.0
+   png_set_itxt(png_ptr, info_ptr, 0, 0, "Title", "Mona Lisa", NULL, NULL); 
+   png_set_itxt(png_ptr, info_ptr, 0, 0, "Author", "Leonardo da Vinci", NULL,
+       NULL);
+   png_set_itxt(png_ptr, info_ptr, 3, 0, "Description", "<long text>", NULL,
+       NULL);
+#else
    /* Optionally write comments into the image */
    {
       png_text text_ptr[3];
@@ -896,6 +903,7 @@ void write_png(char *file_name /* , ... other image information ... */)
 
       png_set_text(write_ptr, write_info_ptr, text_ptr, 3);
    }
+#endif
 
    /* Other optional chunks like cHRM, bKGD, tRNS, tIME, oFFs, pHYs */