Changeset 107813 in vbox for trunk/src/libs/libpng-1.6.45/pngset.c

Timestamp:

Jan 16, 2025 1:09:46 PM (3 weeks ago)

Author:

vboxsync

Message:

libpng-1.6.45: Applied and adjusted our libpng changes to 1.6.45. bugref:8515

File:

• trunk/src/libs/libpng-1.6.45/pngset.c (modified) (3 diffs)

trunk/src/libs/libpng-1.6.45/pngset.c

@@ -1 @@
-
 /* pngset.c - storage of image information into info struct
  *
- * Copyright (c) 2018-2024 Cosmin Truta
+ * Copyright (c) 2018-2025 Cosmin Truta
  * Copyright (c) 1998-2018 Glenn Randers-Pehrson
  * Copyright (c) 1996-1997 Andreas Dilger
@@ -135 +134 @@
 #endif /* cHRM */
 
+#ifdef PNG_cICP_SUPPORTED
+void PNGAPI
+png_set_cICP(png_const_structrp png_ptr, png_inforp info_ptr,
+             png_byte colour_primaries, png_byte transfer_function,
+             png_byte matrix_coefficients, png_byte video_full_range_flag)
+{
+   png_debug1(1, "in %s storage function", "cICP");
+
+   if (png_ptr == NULL || info_ptr == NULL)
+      return;
+
+   info_ptr->cicp_colour_primaries = colour_primaries;
+   info_ptr->cicp_transfer_function = transfer_function;
+   info_ptr->cicp_matrix_coefficients = matrix_coefficients;
+   info_ptr->cicp_video_full_range_flag = video_full_range_flag;
+
+   if (info_ptr->cicp_matrix_coefficients != 0)
+   {
+      png_warning(png_ptr, "Invalid cICP matrix coefficients");
+      return;
+   }
+
+   info_ptr->valid |= PNG_INFO_cICP;
+}
+#endif /* cICP */
+
 #ifdef PNG_eXIf_SUPPORTED
 void PNGAPI
@@ -1396 +1421 @@
          98,  75,  71,  68, '\0',  /* bKGD */
          99,  72,  82,  77, '\0',  /* cHRM */
+         99,  73,  67,  80, '\0',  /* cICP */
         101,  88,  73, 102, '\0',  /* eXIf */
         103,  65,  77,  65, '\0',  /* gAMA */