11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 */
24
25 /* pngget.c - retrieval of values from info struct
26 *
27 * This file is available under and governed by the GNU General Public
28 * License version 2 only, as published by the Free Software Foundation.
29 * However, the following notice accompanied the original version of this
30 * file and, per its terms, should not be removed:
31
32 * Last changed in libpng 1.6.26 [October 20, 2016]
33 * Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
34 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
35 * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
36 *
37 * This code is released under the libpng license.
38 * For conditions of distribution and use, see the disclaimer
39 * and license in png.h
40 *
41 */
42
43 #include "pngpriv.h"
44
45 #if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
46
47 png_uint_32 PNGAPI
48 png_get_valid(png_const_structrp png_ptr, png_const_inforp info_ptr,
49 png_uint_32 flag)
50 {
51 if (png_ptr != NULL && info_ptr != NULL)
52 return(info_ptr->valid & flag);
53
778 /* This is somewhat irrelevant since the profile data returned has
779 * actually been uncompressed.
780 */
781 *compression_type = PNG_COMPRESSION_TYPE_BASE;
782 return (PNG_INFO_iCCP);
783 }
784
785 return (0);
786 }
787 #endif
788
789 #ifdef PNG_sPLT_SUPPORTED
790 int PNGAPI
791 png_get_sPLT(png_const_structrp png_ptr, png_inforp info_ptr,
792 png_sPLT_tpp spalettes)
793 {
794 if (png_ptr != NULL && info_ptr != NULL && spalettes != NULL)
795 {
796 *spalettes = info_ptr->splt_palettes;
797 return info_ptr->splt_palettes_num;
798 }
799
800 return (0);
801 }
802 #endif
803
804 #ifdef PNG_hIST_SUPPORTED
805 png_uint_32 PNGAPI
806 png_get_hIST(png_const_structrp png_ptr, png_inforp info_ptr,
807 png_uint_16p *hist)
808 {
809 png_debug1(1, "in %s retrieval function", "hIST");
810
811 if (png_ptr != NULL && info_ptr != NULL &&
812 (info_ptr->valid & PNG_INFO_hIST) != 0 && hist != NULL)
813 {
814 *hist = info_ptr->hist;
815 return (PNG_INFO_hIST);
816 }
817
|
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 */
24
25 /* pngget.c - retrieval of values from info struct
26 *
27 * This file is available under and governed by the GNU General Public
28 * License version 2 only, as published by the Free Software Foundation.
29 * However, the following notice accompanied the original version of this
30 * file and, per its terms, should not be removed:
31 *
32 * Last changed in libpng 1.6.32 [August 24, 2017]
33 * Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson
34 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
35 * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
36 *
37 * This code is released under the libpng license.
38 * For conditions of distribution and use, see the disclaimer
39 * and license in png.h
40 *
41 */
42
43 #include "pngpriv.h"
44
45 #if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
46
47 png_uint_32 PNGAPI
48 png_get_valid(png_const_structrp png_ptr, png_const_inforp info_ptr,
49 png_uint_32 flag)
50 {
51 if (png_ptr != NULL && info_ptr != NULL)
52 return(info_ptr->valid & flag);
53
778 /* This is somewhat irrelevant since the profile data returned has
779 * actually been uncompressed.
780 */
781 *compression_type = PNG_COMPRESSION_TYPE_BASE;
782 return (PNG_INFO_iCCP);
783 }
784
785 return (0);
786 }
787 #endif
788
789 #ifdef PNG_sPLT_SUPPORTED
790 int PNGAPI
791 png_get_sPLT(png_const_structrp png_ptr, png_inforp info_ptr,
792 png_sPLT_tpp spalettes)
793 {
794 if (png_ptr != NULL && info_ptr != NULL && spalettes != NULL)
795 {
796 *spalettes = info_ptr->splt_palettes;
797 return info_ptr->splt_palettes_num;
798 }
799
800 return (0);
801 }
802 #endif
803
804 #ifdef PNG_eXIf_SUPPORTED
805 png_uint_32 PNGAPI
806 png_get_eXIf(png_const_structrp png_ptr, png_inforp info_ptr,
807 png_bytep *exif)
808 {
809 png_warning(png_ptr, "png_get_eXIf does not work; use png_get_eXIf_1");
810 PNG_UNUSED(info_ptr)
811 PNG_UNUSED(exif)
812 return 0;
813 }
814
815 png_uint_32 PNGAPI
816 png_get_eXIf_1(png_const_structrp png_ptr, png_const_inforp info_ptr,
817 png_uint_32 *num_exif, png_bytep *exif)
818 {
819 png_debug1(1, "in %s retrieval function", "eXIf");
820
821 if (png_ptr != NULL && info_ptr != NULL &&
822 (info_ptr->valid & PNG_INFO_eXIf) != 0 && exif != NULL)
823 {
824 *num_exif = info_ptr->num_exif;
825 *exif = info_ptr->exif;
826 return (PNG_INFO_eXIf);
827 }
828
829 return (0);
830 }
831 #endif
832
833 #ifdef PNG_hIST_SUPPORTED
834 png_uint_32 PNGAPI
835 png_get_hIST(png_const_structrp png_ptr, png_inforp info_ptr,
836 png_uint_16p *hist)
837 {
838 png_debug1(1, "in %s retrieval function", "hIST");
839
840 if (png_ptr != NULL && info_ptr != NULL &&
841 (info_ptr->valid & PNG_INFO_hIST) != 0 && hist != NULL)
842 {
843 *hist = info_ptr->hist;
844 return (PNG_INFO_hIST);
845 }
846
|