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[devel] Make png_text_struct independent of PNG_iTXt_SUPPORTED

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Glenn Randers-Pehrson
2010-03-30 08:34:02 -05:00
parent 9ba962665d
commit dd78d526d0
7 changed files with 37 additions and 34 deletions
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14
example.c
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@@ -2,7 +2,7 @@
#if 0 /* in case someone actually tries to compile this */
/* example.c - an example of using libpng
* Last changed in libpng 1.5.0 [March 17, 2010]
* Last changed in libpng 1.5.0 [March 30, 2010]
* This file has been placed in the public domain by the authors.
* Maintained 1998-2010 Glenn Randers-Pehrson
* Maintained 1996, 1997 Andreas Dilger)
@@ -676,17 +676,21 @@ void write_png(char *file_name /* , ... other image information ... */)
text_ptr[0].key = "Title";
text_ptr[0].text = "Mona Lisa";
text_ptr[0].compression = PNG_TEXT_COMPRESSION_NONE;
text_ptr[0].itxt_length = 0;
text_ptr[0].lang = NULL;
text_ptr[0].lang_key = NULL;
text_ptr[1].key = "Author";
text_ptr[1].text = "Leonardo DaVinci";
text_ptr[1].compression = PNG_TEXT_COMPRESSION_NONE;
text_ptr[1].itxt_length = 0;
text_ptr[1].lang = NULL;
text_ptr[1].lang_key = NULL;
text_ptr[2].key = "Description";
text_ptr[2].text = "<long text>";
text_ptr[2].compression = PNG_TEXT_COMPRESSION_zTXt;
#ifdef PNG_iTXt_SUPPORTED
text_ptr[0].lang = NULL;
text_ptr[1].lang = NULL;
text_ptr[2].itxt_length = 0;
text_ptr[2].lang = NULL;
#endif
text_ptr[2].lang_key = NULL;
png_set_text(png_ptr, info_ptr, text_ptr, 3);
/* Other optional chunks like cHRM, bKGD, tRNS, tIME, oFFs, pHYs */