commit 9b872f4cf9fbdb5a27fb6ddf9c5c1235dcc877e6
author John Bowler <jbowler@acm.org> Sat Feb 12 09:00:16 2011 -0600
committer Glenn Randers-Pehrson <glennrp@shaggy.simplesystems.org> Sat Feb 12 09:00:16 2011 -0600
tree 182b7b2569ecbb9f5e666fb05212058933535aa6
parent 5432c01ffd6260d19403ce9c1a09b99ab488485e

[devel] Clean up ALPHA flags and transformations

pngpriv.h

diff --git a/pngpriv.h b/pngpriv.h
index 7faa8b3..b6f382e 100644
--- a/pngpriv.h
+++ b/pngpriv.h
@@ -340,8 +340,8 @@
 #define PNG_FLAG_STRIP_ERROR_NUMBERS      0x40000L
 #define PNG_FLAG_STRIP_ERROR_TEXT         0x80000L
 #define PNG_FLAG_MALLOC_NULL_MEM_OK       0x100000L
-#define PNG_FLAG_ADD_ALPHA                0x200000L  /* Added to libpng-1.2.8 */
-#define PNG_FLAG_STRIP_ALPHA              0x400000L  /* Added to libpng-1.2.8 */
+                                  /*      0x200000L  unused */
+                                  /*      0x400000L  unused */
 #define PNG_FLAG_BENIGN_ERRORS_WARN       0x800000L  /* Added to libpng-1.4.0 */
                                   /*     0x1000000L  unused */
                                   /*     0x2000000L  unused */
@@ -772,8 +772,8 @@
 
 #if defined(PNG_WRITE_FILLER_SUPPORTED) || \
     defined(PNG_READ_STRIP_ALPHA_SUPPORTED)
-PNG_EXTERN void png_do_strip_filler PNGARG((png_row_infop row_info,
-    png_bytep row, png_uint_32 flags));
+PNG_EXTERN void png_do_strip_channel PNGARG((png_row_infop row_info,
+    png_bytep row, int at_start));
 #endif
 
 #ifdef PNG_16BIT_SUPPORTED