diff options
Diffstat (limited to 'source/blender/imbuf/intern/png.c')
| -rw-r--r-- | source/blender/imbuf/intern/png.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/source/blender/imbuf/intern/png.c b/source/blender/imbuf/intern/png.c index 46c5232a61a..bb48ff71bff 100644 --- a/source/blender/imbuf/intern/png.c +++ b/source/blender/imbuf/intern/png.c @@ -43,6 +43,7 @@ #include "IMB_allocimbuf.h" #include "IMB_cmap.h" +#include "IMB_imginfo.h" #include "IMB_png.h" typedef struct PNGReadStruct { @@ -100,6 +101,7 @@ short imb_savepng(struct ImBuf *ibuf, char *name, int flags) { png_structp png_ptr; png_infop info_ptr; + unsigned char *pixels = 0; unsigned char *from, *to; png_bytepp row_pointers = 0; @@ -219,6 +221,33 @@ short imb_savepng(struct ImBuf *ibuf, char *name, int flags) PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); + /* image text info */ + if (ibuf->img_info) { + png_text* imginfo; + ImgInfo* iptr; + int num_text = 0; + iptr = ibuf->img_info; + while (iptr) { + num_text++; + iptr = iptr->next; + } + + imginfo = MEM_callocN(num_text*sizeof(png_text), "png_imginfo"); + iptr = ibuf->img_info; + num_text = 0; + while (iptr) { + imginfo[num_text].compression = PNG_TEXT_COMPRESSION_NONE; + imginfo[num_text].key = iptr->key; + imginfo[num_text].text = iptr->value; + num_text++; + iptr = iptr->next; + } + + png_set_text(png_ptr, info_ptr, imginfo, num_text); + MEM_freeN(imginfo); + + } + // write the file header information png_write_info(png_ptr, info_ptr); @@ -409,6 +438,15 @@ struct ImBuf *imb_loadpng(unsigned char *mem, int size, int flags) break; } + if (flags & IB_imginfo) { + png_text* text_chunks; + int count = png_get_text(png_ptr, info_ptr, &text_chunks, NULL); + for(i = 0; i < count; i++) { + IMB_imginfo_add_field(ibuf, text_chunks[i].key, text_chunks[i].text); + ibuf->flags |= IB_imginfo; + } + } + png_read_end(png_ptr, info_ptr); } |