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[libpng16] Imported from libpng-1.6.17rc01.tar

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Glenn Randers-Pehrson
2015-03-04 09:45:57 -06:00
parent 82511341d7
commit 3e0bef6da4
26 changed files with 75 additions and 72 deletions
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8
pngwrite.c
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@@ -1051,8 +1051,8 @@ png_set_filter(png_structrp png_ptr, int method, int filters)
* it is too late to start using the filters that need it, since we
* will be missing the data in the previous row. If an application
* wants to start and stop using particular filters during compression,
* it should start out with all of the filters, and then add and
* remove them after the start of compression.
* it should start out with all of the filters, and then remove them
* or add them back after the start of compression.
*/
if (png_ptr->row_buf != NULL)
{
@@ -1419,8 +1419,8 @@ png_set_compression_window_bits(png_structrp png_ptr, int window_bits)
if (png_ptr == NULL)
return;
/* Prior to 1.6.0 this would warn but then set the window_bits value, this
* meant that negative window bits values could be selected which would cause
/* Prior to 1.6.0 this would warn but then set the window_bits value. This
* meant that negative window bits values could be selected that would cause
* libpng to write a non-standard PNG file with raw deflate or gzip
* compressed IDAT or ancillary chunks. Such files can be read and there is
* no warning on read, so this seems like a very bad idea.