upgrading libpng to 1.2.16. patch from andrew smith. bug 373249. r=me sr=tor
git-svn-id: svn://10.0.0.236/trunk@224458 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
@@ -1,9 +1,9 @@
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/* png.c - location for general purpose libpng functions
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*
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* Last changed in libpng 1.2.9 April 14, 2006
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* Last changed in libpng 1.2.15 January 5, 2007
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* For conditions of distribution and use, see copyright notice in png.h
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* Copyright (c) 1998-2006 Glenn Randers-Pehrson
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* Copyright (c) 1998-2007 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
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*/
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@@ -13,7 +13,7 @@
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#include "png.h"
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/* Generate a compiler error if there is an old png.h in the search path. */
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typedef version_1_2_12 Your_png_h_is_not_version_1_2_12;
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typedef version_1_2_16 Your_png_h_is_not_version_1_2_16;
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/* Version information for C files. This had better match the version
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* string defined in png.h. */
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@@ -100,6 +100,7 @@ const int FARDATA png_pass_dsp_mask[]
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void PNGAPI
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png_set_sig_bytes(png_structp png_ptr, int num_bytes)
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{
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if(png_ptr == NULL) return;
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png_debug(1, "in png_set_sig_bytes\n");
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if (num_bytes > 8)
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png_error(png_ptr, "Too many bytes for PNG signature.");
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@@ -156,13 +157,14 @@ voidpf /* private */
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png_zalloc(voidpf png_ptr, uInt items, uInt size)
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{
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png_voidp ptr;
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png_structp p=png_ptr;
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png_structp p=(png_structp)png_ptr;
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png_uint_32 save_flags=p->flags;
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png_uint_32 num_bytes;
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if(png_ptr == NULL) return (NULL);
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if (items > PNG_UINT_32_MAX/size)
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{
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png_warning (png_ptr, "Potential overflow in png_zalloc()");
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png_warning (p, "Potential overflow in png_zalloc()");
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return (NULL);
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}
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num_bytes = (png_uint_32)items * size;
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@@ -269,6 +271,7 @@ void PNGAPI
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png_destroy_info_struct(png_structp png_ptr, png_infopp info_ptr_ptr)
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{
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png_infop info_ptr = NULL;
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if(png_ptr == NULL) return;
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png_debug(1, "in png_destroy_info_struct\n");
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if (info_ptr_ptr != NULL)
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@@ -307,6 +310,8 @@ png_info_init_3(png_infopp ptr_ptr, png_size_t png_info_struct_size)
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{
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png_infop info_ptr = *ptr_ptr;
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if(info_ptr == NULL) return;
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png_debug(1, "in png_info_init_3\n");
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if(png_sizeof(png_info) > png_info_struct_size)
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@@ -614,6 +619,7 @@ png_info_destroy(png_structp png_ptr, png_infop info_ptr)
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png_voidp PNGAPI
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png_get_io_ptr(png_structp png_ptr)
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{
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if(png_ptr == NULL) return (NULL);
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return (png_ptr->io_ptr);
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}
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@@ -629,6 +635,7 @@ void PNGAPI
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png_init_io(png_structp png_ptr, png_FILE_p fp)
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{
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png_debug(1, "in png_init_io\n");
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if(png_ptr == NULL) return;
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png_ptr->io_ptr = (png_voidp)fp;
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}
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#endif
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@@ -644,6 +651,7 @@ png_convert_to_rfc1123(png_structp png_ptr, png_timep ptime)
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{"Jan", "Feb", "Mar", "Apr", "May", "Jun",
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"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
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if(png_ptr == NULL) return (NULL);
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if (png_ptr->time_buffer == NULL)
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{
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png_ptr->time_buffer = (png_charp)png_malloc(png_ptr, (png_uint_32)(29*
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@@ -696,8 +704,8 @@ png_charp PNGAPI
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png_get_copyright(png_structp png_ptr)
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{
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if (&png_ptr != NULL) /* silence compiler warning about unused png_ptr */
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return ((png_charp) "\n libpng version 1.2.12 - June 27, 2006\n\
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Copyright (c) 1998-2006 Glenn Randers-Pehrson\n\
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return ((png_charp) "\n libpng version 1.2.16 - January 31, 2007\n\
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Copyright (c) 1998-2007 Glenn Randers-Pehrson\n\
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Copyright (c) 1996-1997 Andreas Dilger\n\
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Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.\n");
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return ((png_charp) "");
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@@ -760,6 +768,7 @@ png_handle_as_unknown(png_structp png_ptr, png_bytep chunk_name)
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int PNGAPI
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png_reset_zstream(png_structp png_ptr)
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{
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if (png_ptr == NULL) return Z_STREAM_ERROR;
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return (inflateReset(&png_ptr->zstream));
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}
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#endif /* defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) */
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@@ -773,14 +782,14 @@ png_access_version_number(void)
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}
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#if defined(PNG_READ_SUPPORTED)
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#if defined(PNG_READ_SUPPORTED) && defined(PNG_ASSEMBLER_CODE_SUPPORTED)
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#if !defined(PNG_1_0_X)
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#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
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/* GRR: could add this: && defined(PNG_MMX_CODE_SUPPORTED) */
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#if defined(PNG_MMX_CODE_SUPPORTED)
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/* this INTERNAL function was added to libpng 1.2.0 */
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void /* PRIVATE */
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png_init_mmx_flags (png_structp png_ptr)
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{
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if(png_ptr == NULL) return;
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png_ptr->mmx_rowbytes_threshold = 0;
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png_ptr->mmx_bitdepth_threshold = 0;
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@@ -813,7 +822,7 @@ png_init_mmx_flags (png_structp png_ptr)
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| PNG_MMX_WRITE_FLAGS );
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}
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# else /* !((PNGVCRD || PNGGCCRD) && PNG_ASSEMBLER_CODE_SUPPORTED)) */
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# else /* !(PNGVCRD || PNGGCCRD) */
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/* clear all MMX flags; no support is compiled in */
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png_ptr->asm_flags &= ~( PNG_MMX_FLAGS );
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@@ -821,18 +830,18 @@ png_init_mmx_flags (png_structp png_ptr)
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# endif /* ?(PNGVCRD || PNGGCCRD) */
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}
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#endif /* !(PNG_ASSEMBLER_CODE_SUPPORTED) */
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#endif /* !(PNG_MMX_CODE_SUPPORTED) */
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/* this function was added to libpng 1.2.0 */
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#if !defined(PNG_USE_PNGGCCRD) && \
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!(defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_USE_PNGVCRD))
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!(defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_USE_PNGVCRD))
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int PNGAPI
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png_mmx_support(void)
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{
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return -1;
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}
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#endif
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#endif /* PNG_1_0_X */
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#endif /* PNG_1_0_X && PNG_ASSEMBLER_CODE_SUPPORTED */
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#endif /* PNG_READ_SUPPORTED */
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#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
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@@ -1,15 +1,15 @@
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/* png.h - header file for PNG reference library
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*
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* libpng version 1.2.12 - June 27, 2006
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* Copyright (c) 1998-2006 Glenn Randers-Pehrson
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* libpng version 1.2.16 - January 31, 2007
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* Copyright (c) 1998-2007 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
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*
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* Authors and maintainers:
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* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
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* libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
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* libpng versions 0.97, January 1998, through 1.2.12 - June 27, 2006: Glenn
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* libpng versions 0.97, January 1998, through 1.2.16 - January 31, 2007: Glenn
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* See also "Contributing Authors", below.
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*
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* Note about libpng version numbers:
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@@ -126,6 +126,23 @@
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* 1.2.11 13 10211 12.so.0.11[.0]
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* 1.0.20 10 10020 10.so.0.20[.0]
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* 1.2.12 13 10212 12.so.0.12[.0]
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* 1.2.13beta1 13 10213 12.so.0.13[.0]
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* 1.0.21 10 10021 10.so.0.21[.0]
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* 1.2.13 13 10213 12.so.0.13[.0]
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* 1.2.14beta1-2 13 10214 12.so.0.14[.0]
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* 1.0.22rc1 10 10022 10.so.0.22[.0]
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* 1.2.14rc1 13 10214 12.so.0.14[.0]
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* 1.0.22 10 10022 10.so.0.22[.0]
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* 1.2.14 13 10214 12.so.0.14[.0]
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* 1.2.15beta1-6 13 10215 12.so.0.15[.0]
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* 1.0.23rc1-5 10 10023 10.so.0.23[.0]
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* 1.2.15rc1-5 13 10215 12.so.0.15[.0]
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* 1.0.23 10 10023 10.so.0.23[.0]
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* 1.2.15 13 10215 12.so.0.15[.0]
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* 1.2.16beta1-2 13 10216 12.so.0.16[.0]
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* 1.2.16rc1 13 10216 12.so.0.16[.0]
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* 1.0.24 10 10024 10.so.0.24[.0]
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* 1.2.16 13 10216 12.so.0.16[.0]
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*
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* Henceforth the source version will match the shared-library major
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* and minor numbers; the shared-library major version number will be
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@@ -155,8 +172,8 @@
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* If you modify libpng you may insert additional notices immediately following
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* this sentence.
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*
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* libpng versions 1.2.6, August 15, 2004, through 1.2.12, June 27, 2006, are
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* Copyright (c) 2004, 2006 Glenn Randers-Pehrson, and are
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* libpng versions 1.2.6, August 15, 2004, through 1.2.16, January 31, 2007, are
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* Copyright (c) 2004, 2007 Glenn Randers-Pehrson, and are
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* distributed according to the same disclaimer and license as libpng-1.2.5
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* with the following individual added to the list of Contributing Authors:
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*
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@@ -267,13 +284,13 @@
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* Y2K compliance in libpng:
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* =========================
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*
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* June 27, 2006
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* January 31, 2007
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*
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* Since the PNG Development group is an ad-hoc body, we can't make
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* an official declaration.
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*
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* This is your unofficial assurance that libpng from version 0.71 and
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* upward through 1.2.12 are Y2K compliant. It is my belief that earlier
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* upward through 1.2.16 are Y2K compliant. It is my belief that earlier
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* versions were also Y2K compliant.
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*
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* Libpng only has three year fields. One is a 2-byte unsigned integer
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@@ -329,9 +346,9 @@
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*/
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/* Version information for png.h - this should match the version in png.c */
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#define PNG_LIBPNG_VER_STRING "1.2.12"
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#define PNG_LIBPNG_VER_STRING "1.2.16"
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#define PNG_HEADER_VERSION_STRING \
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" libpng version 1.2.12 - June 27, 2006 (header)\n"
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" libpng version 1.2.16 - January 31, 2007 (header)\n"
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#define PNG_LIBPNG_VER_SONUM 0
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#define PNG_LIBPNG_VER_DLLNUM 13
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@@ -339,7 +356,7 @@
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/* These should match the first 3 components of PNG_LIBPNG_VER_STRING: */
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#define PNG_LIBPNG_VER_MAJOR 1
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#define PNG_LIBPNG_VER_MINOR 2
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#define PNG_LIBPNG_VER_RELEASE 12
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#define PNG_LIBPNG_VER_RELEASE 16
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/* This should match the numeric part of the final component of
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* PNG_LIBPNG_VER_STRING, omitting any leading zero: */
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@@ -367,7 +384,7 @@
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* Versions 0.7 through 1.0.0 were in the range 0 to 100 here (only
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* version 1.0.0 was mis-numbered 100 instead of 10000). From
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* version 1.0.1 it's xxyyzz, where x=major, y=minor, z=release */
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#define PNG_LIBPNG_VER 10212 /* 1.2.12 */
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#define PNG_LIBPNG_VER 10216 /* 1.2.16 */
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#ifndef PNG_VERSION_INFO_ONLY
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/* include the compression library's header */
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@@ -1353,10 +1370,14 @@ struct png_struct_def
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#endif
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/* New members added in libpng-1.2.0 */
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#if !defined(PNG_1_0_X) && defined(PNG_ASSEMBLER_CODE_SUPPORTED)
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#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
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# if !defined(PNG_1_0_X)
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# if defined(PNG_MMX_CODE_SUPPORTED)
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png_byte mmx_bitdepth_threshold;
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png_uint_32 mmx_rowbytes_threshold;
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# endif
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png_uint_32 asm_flags;
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# endif
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#endif
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/* New members added in libpng-1.0.2 but first enabled by default in 1.2.0 */
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@@ -1424,7 +1445,7 @@ struct png_struct_def
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/* This triggers a compiler error in png.c, if png.c and png.h
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* do not agree upon the version number.
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*/
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typedef png_structp version_1_2_12;
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typedef png_structp version_1_2_16;
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typedef png_struct FAR * FAR * png_structpp;
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@@ -2598,6 +2619,7 @@ extern PNG_EXPORT(png_uint_32,png_permit_mng_features) PNGARG((png_structp
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/* Added to version 1.2.0 */
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#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
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#if defined(PNG_MMX_CODE_SUPPORTED)
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#define PNG_ASM_FLAG_MMX_SUPPORT_COMPILED 0x01 /* not user-settable */
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#define PNG_ASM_FLAG_MMX_SUPPORT_IN_CPU 0x02 /* not user-settable */
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#define PNG_ASM_FLAG_MMX_READ_COMBINE_ROW 0x04
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@@ -2623,6 +2645,7 @@ extern PNG_EXPORT(png_uint_32,png_permit_mng_features) PNGARG((png_structp
|
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#define PNG_SELECT_READ 1
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#define PNG_SELECT_WRITE 2
|
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#endif /* PNG_MMX_CODE_SUPPORTED */
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#if !defined(PNG_1_0_X)
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/* pngget.c */
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@@ -2655,11 +2678,11 @@ extern PNG_EXPORT(void,png_set_mmx_thresholds)
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png_uint_32 mmx_rowbytes_threshold));
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#endif /* PNG_1_0_X */
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#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
|
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#if !defined(PNG_1_0_X)
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/* png.c, pnggccrd.c, or pngvcrd.c */
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extern PNG_EXPORT(int,png_mmx_support) PNGARG((void));
|
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#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
|
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|
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/* Strip the prepended error numbers ("#nnn ") from error and warning
|
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* messages before passing them to the error or warning handler. */
|
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@@ -3605,9 +3628,11 @@ PNG_EXTERN void png_do_write_intrapixel PNGARG((png_row_infop row_info,
|
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#endif
|
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|
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#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
|
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#if defined(PNG_MMX_CODE_SUPPORTED)
|
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/* png.c */ /* PRIVATE */
|
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PNG_EXTERN void png_init_mmx_flags PNGARG((png_structp png_ptr));
|
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#endif
|
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#endif
|
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|
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#if defined(PNG_INCH_CONVERSIONS) && defined(PNG_FLOATING_POINT_SUPPORTED)
|
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PNG_EXTERN png_uint_32 png_get_pixels_per_inch PNGARG((png_structp png_ptr,
|
||||
|
||||
@@ -1,9 +1,9 @@
|
||||
|
||||
/* pngconf.h - machine configurable file for libpng
|
||||
*
|
||||
* libpng version 1.2.12 - June 27, 2006
|
||||
* libpng version 1.2.16 - January 31, 2007
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2005 Glenn Randers-Pehrson
|
||||
* Copyright (c) 1998-2007 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
|
||||
*/
|
||||
@@ -723,11 +723,22 @@
|
||||
#endif
|
||||
|
||||
/* PNG_ASSEMBLER_CODE was enabled by default in version 1.2.0
|
||||
even when PNG_USE_PNGVCRD or PNG_USE_PNGGCCRD is not defined */
|
||||
* even when PNG_USE_PNGVCRD or PNG_USE_PNGGCCRD is not defined.
|
||||
*
|
||||
* PNG_NO_ASSEMBLER_CODE disables use of all assembler code and optimized C,
|
||||
* and removes or includes several functions in the API.
|
||||
*
|
||||
* PNG_NO_MMX_CODE disables the use of MMX code without changing the API.
|
||||
* When MMX code is off, then optimized C replacement functions are used.
|
||||
*/
|
||||
#if defined(PNG_READ_SUPPORTED) && !defined(PNG_NO_ASSEMBLER_CODE)
|
||||
# ifndef PNG_ASSEMBLER_CODE_SUPPORTED
|
||||
# define PNG_ASSEMBLER_CODE_SUPPORTED
|
||||
# endif
|
||||
# if defined(XP_MACOSX) && !defined(PNG_NO_MMX_CODE)
|
||||
/* work around Intel-Mac compiler bug */
|
||||
# define PNG_NO_MMX_CODE
|
||||
# endif
|
||||
# if !defined(PNG_MMX_CODE_SUPPORTED) && !defined(PNG_NO_MMX_CODE) && \
|
||||
defined(__MMX__)
|
||||
# define PNG_MMX_CODE_SUPPORTED
|
||||
|
||||
@@ -1,7 +1,7 @@
|
||||
|
||||
/* pngerror.c - stub functions for i/o and memory allocation
|
||||
*
|
||||
* Last changed in libpng 1.2.9 April 14, 2006
|
||||
* Last changed in libpng 1.2.13 November 13, 2006
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
@@ -157,8 +157,11 @@ png_chunk_error(png_structp png_ptr, png_const_charp error_message)
|
||||
char msg[18+64];
|
||||
if (png_ptr == NULL)
|
||||
png_error(png_ptr, error_message);
|
||||
png_format_buffer(png_ptr, msg, error_message);
|
||||
png_error(png_ptr, msg);
|
||||
else
|
||||
{
|
||||
png_format_buffer(png_ptr, msg, error_message);
|
||||
png_error(png_ptr, msg);
|
||||
}
|
||||
}
|
||||
|
||||
void PNGAPI
|
||||
@@ -167,8 +170,11 @@ png_chunk_warning(png_structp png_ptr, png_const_charp warning_message)
|
||||
char msg[18+64];
|
||||
if (png_ptr == NULL)
|
||||
png_warning(png_ptr, warning_message);
|
||||
png_format_buffer(png_ptr, msg, warning_message);
|
||||
png_warning(png_ptr, msg);
|
||||
else
|
||||
{
|
||||
png_format_buffer(png_ptr, msg, warning_message);
|
||||
png_warning(png_ptr, msg);
|
||||
}
|
||||
}
|
||||
|
||||
/* This is the default error handling function. Note that replacements for
|
||||
@@ -206,6 +212,8 @@ png_default_error(png_structp png_ptr, png_const_charp error_message)
|
||||
#endif
|
||||
|
||||
#ifdef PNG_SETJMP_SUPPORTED
|
||||
if (png_ptr)
|
||||
{
|
||||
# ifdef USE_FAR_KEYWORD
|
||||
{
|
||||
jmp_buf jmpbuf;
|
||||
@@ -214,10 +222,9 @@ png_default_error(png_structp png_ptr, png_const_charp error_message)
|
||||
}
|
||||
# else
|
||||
longjmp(png_ptr->jmpbuf, 1);
|
||||
# endif
|
||||
# endif
|
||||
}
|
||||
#else
|
||||
/* make compiler happy */ ;
|
||||
if (png_ptr)
|
||||
PNG_ABORT();
|
||||
#endif
|
||||
#ifdef PNG_NO_CONSOLE_IO
|
||||
|
||||
@@ -7,9 +7,9 @@
|
||||
* and http://www.intel.com/drg/pentiumII/appnotes/923/923.htm
|
||||
* for Intel's performance analysis of the MMX vs. non-MMX code.
|
||||
*
|
||||
* Last changed in libpng 1.2.9 April 14, 2006
|
||||
* Last changed in libpng 1.2.15 January 5, 2007
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
|
||||
* Copyright (c) 1998-2007 Glenn Randers-Pehrson
|
||||
* Copyright (c) 1998, Intel Corporation
|
||||
*
|
||||
* Based on MSVC code contributed by Nirav Chhatrapati, Intel Corp., 1998.
|
||||
@@ -245,7 +245,7 @@
|
||||
#define PNG_INTERNAL
|
||||
#include "png.h"
|
||||
|
||||
#if defined(PNG_USE_PNGGCCRD)
|
||||
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_USE_PNGGCCRD)
|
||||
|
||||
int PNGAPI png_mmx_support(void);
|
||||
|
||||
@@ -255,7 +255,7 @@ static const int FARDATA png_pass_inc[7] = {8, 8, 4, 4, 2, 2, 1};
|
||||
static const int FARDATA png_pass_width[7] = {8, 4, 4, 2, 2, 1, 1};
|
||||
#endif
|
||||
|
||||
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
|
||||
#if defined(PNG_MMX_CODE_SUPPORTED)
|
||||
/* djgpp, Win32, Cygwin, and OS2 add their own underscores to global variables,
|
||||
* so define them without: */
|
||||
#if defined(__DJGPP__) || defined(WIN32) || defined(__CYGWIN__) || \
|
||||
@@ -378,7 +378,7 @@ png_squelch_warnings(void)
|
||||
_mask48_1 = _mask48_1;
|
||||
_mask48_0 = _mask48_0;
|
||||
}
|
||||
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
|
||||
#endif /* PNG_MMX_CODE_SUPPORTED */
|
||||
|
||||
|
||||
static int _mmx_supported = 2;
|
||||
@@ -389,7 +389,7 @@ static int _mmx_supported = 2;
|
||||
/* */
|
||||
/*===========================================================================*/
|
||||
|
||||
#if defined(PNG_HAVE_ASSEMBLER_COMBINE_ROW)
|
||||
#if defined(PNG_HAVE_MMX_COMBINE_ROW)
|
||||
|
||||
#define BPP2 2
|
||||
#define BPP3 3 /* bytes per pixel (a.k.a. pixel_bytes) */
|
||||
@@ -416,7 +416,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
|
||||
{
|
||||
png_debug(1, "in png_combine_row (pnggccrd.c)\n");
|
||||
|
||||
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
|
||||
#if defined(PNG_MMX_CODE_SUPPORTED)
|
||||
if (_mmx_supported == 2) {
|
||||
#if !defined(PNG_1_0_X)
|
||||
/* this should have happened in png_init_mmx_flags() already */
|
||||
@@ -607,7 +607,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
|
||||
png_bytep srcptr;
|
||||
png_bytep dstptr;
|
||||
|
||||
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
|
||||
#if defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
|
||||
#if !defined(PNG_1_0_X)
|
||||
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_COMBINE_ROW)
|
||||
/* && _mmx_supported */ )
|
||||
@@ -700,7 +700,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
|
||||
);
|
||||
}
|
||||
else /* mmx _not supported - Use modified C routine */
|
||||
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
|
||||
#endif /* PNG_MMX_CODE_SUPPORTED */
|
||||
{
|
||||
register png_uint_32 i;
|
||||
png_uint_32 initial_val = png_pass_start[png_ptr->pass];
|
||||
@@ -745,7 +745,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
|
||||
png_bytep srcptr;
|
||||
png_bytep dstptr;
|
||||
|
||||
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
|
||||
#if defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
|
||||
#if !defined(PNG_1_0_X)
|
||||
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_COMBINE_ROW)
|
||||
/* && _mmx_supported */ )
|
||||
@@ -854,7 +854,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
|
||||
);
|
||||
}
|
||||
else /* mmx _not supported - Use modified C routine */
|
||||
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
|
||||
#endif /* PNG_MMX_CODE_SUPPORTED */
|
||||
{
|
||||
register png_uint_32 i;
|
||||
png_uint_32 initial_val = BPP2 * png_pass_start[png_ptr->pass];
|
||||
@@ -898,7 +898,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
|
||||
png_bytep srcptr;
|
||||
png_bytep dstptr;
|
||||
|
||||
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
|
||||
#if defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
|
||||
#if !defined(PNG_1_0_X)
|
||||
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_COMBINE_ROW)
|
||||
/* && _mmx_supported */ )
|
||||
@@ -1022,7 +1022,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
|
||||
);
|
||||
}
|
||||
else /* mmx _not supported - Use modified C routine */
|
||||
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
|
||||
#endif /* PNG_MMX_CODE_SUPPORTED */
|
||||
{
|
||||
register png_uint_32 i;
|
||||
png_uint_32 initial_val = BPP3 * png_pass_start[png_ptr->pass];
|
||||
@@ -1066,7 +1066,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
|
||||
png_bytep srcptr;
|
||||
png_bytep dstptr;
|
||||
|
||||
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
|
||||
#if defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
|
||||
#if !defined(PNG_1_0_X)
|
||||
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_COMBINE_ROW)
|
||||
/* && _mmx_supported */ )
|
||||
@@ -1197,7 +1197,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
|
||||
);
|
||||
}
|
||||
else /* mmx _not supported - Use modified C routine */
|
||||
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
|
||||
#endif /* PNG_MMX_CODE_SUPPORTED */
|
||||
{
|
||||
register png_uint_32 i;
|
||||
png_uint_32 initial_val = BPP4 * png_pass_start[png_ptr->pass];
|
||||
@@ -1241,7 +1241,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
|
||||
png_bytep srcptr;
|
||||
png_bytep dstptr;
|
||||
|
||||
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
|
||||
#if defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
|
||||
#if !defined(PNG_1_0_X)
|
||||
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_COMBINE_ROW)
|
||||
/* && _mmx_supported */ )
|
||||
@@ -1389,7 +1389,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
|
||||
);
|
||||
}
|
||||
else /* mmx _not supported - Use modified C routine */
|
||||
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
|
||||
#endif /* PNG_MMX_CODE_SUPPORTED */
|
||||
{
|
||||
register png_uint_32 i;
|
||||
png_uint_32 initial_val = BPP6 * png_pass_start[png_ptr->pass];
|
||||
@@ -1480,7 +1480,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
|
||||
|
||||
} /* end png_combine_row() */
|
||||
|
||||
#endif /* PNG_HAVE_ASSEMBLER_COMBINE_ROW */
|
||||
#endif /* PNG_HAVE_MMX_COMBINE_ROW */
|
||||
|
||||
|
||||
|
||||
@@ -1492,7 +1492,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
|
||||
/*===========================================================================*/
|
||||
|
||||
#if defined(PNG_READ_INTERLACING_SUPPORTED)
|
||||
#if defined(PNG_HAVE_ASSEMBLER_READ_INTERLACE)
|
||||
#if defined(PNG_HAVE_MMX_READ_INTERLACE)
|
||||
|
||||
/* png_do_read_interlace() is called after any 16-bit to 8-bit conversion
|
||||
* has taken place. [GRR: what other steps come before and/or after?]
|
||||
@@ -1510,7 +1510,7 @@ png_do_read_interlace(png_structp png_ptr)
|
||||
|
||||
png_debug(1, "in png_do_read_interlace (pnggccrd.c)\n");
|
||||
|
||||
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
|
||||
#if defined(PNG_MMX_CODE_SUPPORTED)
|
||||
if (_mmx_supported == 2) {
|
||||
#if !defined(PNG_1_0_X)
|
||||
/* this should have happened in png_init_mmx_flags() already */
|
||||
@@ -1723,7 +1723,7 @@ png_do_read_interlace(png_structp png_ptr)
|
||||
|
||||
/* New code by Nirav Chhatrapati - Intel Corporation */
|
||||
|
||||
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
|
||||
#if defined(PNG_MMX_CODE_SUPPORTED)
|
||||
#if !defined(PNG_1_0_X)
|
||||
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_INTERLACE)
|
||||
/* && _mmx_supported */ )
|
||||
@@ -2628,7 +2628,7 @@ png_do_read_interlace(png_structp png_ptr)
|
||||
/* GRR 19991007: does it? or should pixel_bytes in each
|
||||
* block be replaced with immediate value (e.g., 1)? */
|
||||
/* GRR 19991017: replaced with constants in each case */
|
||||
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
|
||||
#endif /* PNG_MMX_CODE_SUPPORTED */
|
||||
{
|
||||
if (pixel_bytes == 1)
|
||||
{
|
||||
@@ -2753,13 +2753,13 @@ png_do_read_interlace(png_structp png_ptr)
|
||||
|
||||
} /* end png_do_read_interlace() */
|
||||
|
||||
#endif /* PNG_HAVE_ASSEMBLER_READ_INTERLACE */
|
||||
#endif /* PNG_HAVE_MMX_READ_INTERLACE */
|
||||
#endif /* PNG_READ_INTERLACING_SUPPORTED */
|
||||
|
||||
|
||||
|
||||
#if defined(PNG_HAVE_ASSEMBLER_READ_FILTER_ROW)
|
||||
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
|
||||
#if defined(PNG_HAVE_MMX_READ_FILTER_ROW)
|
||||
#if defined(PNG_MMX_CODE_SUPPORTED)
|
||||
|
||||
// These variables are utilized in the functions below. They are declared
|
||||
// globally here to ensure alignment on 8-byte boundaries.
|
||||
@@ -5066,7 +5066,7 @@ png_read_filter_row_mmx_up(png_row_infop row_info, png_bytep row,
|
||||
|
||||
} // end of png_read_filter_row_mmx_up()
|
||||
|
||||
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
|
||||
#endif /* PNG_MMX_CODE_SUPPORTED */
|
||||
|
||||
|
||||
|
||||
@@ -5088,7 +5088,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
|
||||
char filnm[10];
|
||||
#endif
|
||||
|
||||
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
|
||||
#if defined(PNG_MMX_CODE_SUPPORTED)
|
||||
/* GRR: these are superseded by png_ptr->asm_flags: */
|
||||
#define UseMMX_sub 1 // GRR: converted 20000730
|
||||
#define UseMMX_up 1 // GRR: converted 20000729
|
||||
@@ -5102,7 +5102,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
|
||||
#endif
|
||||
png_mmx_support();
|
||||
}
|
||||
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
|
||||
#endif /* PNG_MMX_CODE_SUPPORTED */
|
||||
|
||||
#ifdef PNG_DEBUG
|
||||
png_debug(1, "in png_read_filter_row (pnggccrd.c)\n");
|
||||
@@ -5111,7 +5111,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
|
||||
case 0: sprintf(filnm, "none");
|
||||
break;
|
||||
case 1: sprintf(filnm, "sub-%s",
|
||||
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
|
||||
#if defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
|
||||
#if !defined(PNG_1_0_X)
|
||||
(png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_SUB)? "MMX" :
|
||||
#endif
|
||||
@@ -5119,7 +5119,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
|
||||
"x86");
|
||||
break;
|
||||
case 2: sprintf(filnm, "up-%s",
|
||||
#ifdef PNG_ASSEMBLER_CODE_SUPPORTED
|
||||
#ifdef PNG_MMX_CODE_SUPPORTED
|
||||
#if !defined(PNG_1_0_X)
|
||||
(png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_UP)? "MMX" :
|
||||
#endif
|
||||
@@ -5127,7 +5127,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
|
||||
"x86");
|
||||
break;
|
||||
case 3: sprintf(filnm, "avg-%s",
|
||||
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
|
||||
#if defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
|
||||
#if !defined(PNG_1_0_X)
|
||||
(png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_AVG)? "MMX" :
|
||||
#endif
|
||||
@@ -5135,7 +5135,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
|
||||
"x86");
|
||||
break;
|
||||
case 4: sprintf(filnm, "Paeth-%s",
|
||||
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
|
||||
#if defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
|
||||
#if !defined(PNG_1_0_X)
|
||||
(png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_PAETH)? "MMX":
|
||||
#endif
|
||||
@@ -5158,7 +5158,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
|
||||
break;
|
||||
|
||||
case PNG_FILTER_VALUE_SUB:
|
||||
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
|
||||
#if defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
|
||||
#if !defined(PNG_1_0_X)
|
||||
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_SUB) &&
|
||||
(row_info->pixel_depth >= png_ptr->mmx_bitdepth_threshold) &&
|
||||
@@ -5170,7 +5170,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
|
||||
png_read_filter_row_mmx_sub(row_info, row);
|
||||
}
|
||||
else
|
||||
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
|
||||
#endif /* PNG_MMX_CODE_SUPPORTED */
|
||||
{
|
||||
png_uint_32 i;
|
||||
png_uint_32 istop = row_info->rowbytes;
|
||||
@@ -5187,7 +5187,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
|
||||
break;
|
||||
|
||||
case PNG_FILTER_VALUE_UP:
|
||||
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
|
||||
#if defined(PNG_MMX_CODE_SUPPORTED)
|
||||
#if !defined(PNG_1_0_X)
|
||||
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_UP) &&
|
||||
(row_info->pixel_depth >= png_ptr->mmx_bitdepth_threshold) &&
|
||||
@@ -5199,7 +5199,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
|
||||
png_read_filter_row_mmx_up(row_info, row, prev_row);
|
||||
}
|
||||
else
|
||||
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
|
||||
#endif /* PNG_MMX_CODE_SUPPORTED */
|
||||
{
|
||||
png_uint_32 i;
|
||||
png_uint_32 istop = row_info->rowbytes;
|
||||
@@ -5215,7 +5215,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
|
||||
break;
|
||||
|
||||
case PNG_FILTER_VALUE_AVG:
|
||||
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
|
||||
#if defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
|
||||
#if !defined(PNG_1_0_X)
|
||||
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_AVG) &&
|
||||
(row_info->pixel_depth >= png_ptr->mmx_bitdepth_threshold) &&
|
||||
@@ -5227,7 +5227,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
|
||||
png_read_filter_row_mmx_avg(row_info, row, prev_row);
|
||||
}
|
||||
else
|
||||
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
|
||||
#endif /* PNG_MMX_CODE_SUPPORTED */
|
||||
{
|
||||
png_uint_32 i;
|
||||
png_bytep rp = row;
|
||||
@@ -5253,7 +5253,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
|
||||
break;
|
||||
|
||||
case PNG_FILTER_VALUE_PAETH:
|
||||
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
|
||||
#if defined(PNG_MMX_CODE_SUPPORTED) && defined(PNG_THREAD_UNSAFE_OK)
|
||||
#if !defined(PNG_1_0_X)
|
||||
if ((png_ptr->asm_flags & PNG_ASM_FLAG_MMX_READ_FILTER_PAETH) &&
|
||||
(row_info->pixel_depth >= png_ptr->mmx_bitdepth_threshold) &&
|
||||
@@ -5265,7 +5265,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
|
||||
png_read_filter_row_mmx_paeth(row_info, row, prev_row);
|
||||
}
|
||||
else
|
||||
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
|
||||
#endif /* PNG_MMX_CODE_SUPPORTED */
|
||||
{
|
||||
png_uint_32 i;
|
||||
png_bytep rp = row;
|
||||
@@ -5326,7 +5326,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep
|
||||
}
|
||||
}
|
||||
|
||||
#endif /* PNG_HAVE_ASSEMBLER_READ_FILTER_ROW */
|
||||
#endif /* PNG_HAVE_MMX_READ_FILTER_ROW */
|
||||
|
||||
|
||||
/*===========================================================================*/
|
||||
|
||||
@@ -1,9 +1,9 @@
|
||||
|
||||
/* pngget.c - retrieval of values from info struct
|
||||
*
|
||||
* Last changed in libpng 1.2.9 April 14, 2006
|
||||
* Last changed in libpng 1.2.15 January 5, 2007
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
|
||||
* Copyright (c) 1998-2007 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
|
||||
*/
|
||||
@@ -992,19 +992,24 @@ png_get_compression_buffer_size(png_structp png_ptr)
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifndef PNG_1_0_X
|
||||
#ifdef PNG_ASSEMBLER_CODE_SUPPORTED
|
||||
#ifndef PNG_1_0_X
|
||||
/* this function was added to libpng 1.2.0 and should exist by default */
|
||||
png_uint_32 PNGAPI
|
||||
png_get_asm_flags (png_structp png_ptr)
|
||||
{
|
||||
#ifdef PNG_MMX_CODE_SUPPORTED
|
||||
return (png_uint_32)(png_ptr? png_ptr->asm_flags : 0L);
|
||||
#else
|
||||
return (png_ptr? 0L: 0L);
|
||||
#endif
|
||||
}
|
||||
|
||||
/* this function was added to libpng 1.2.0 and should exist by default */
|
||||
png_uint_32 PNGAPI
|
||||
png_get_asm_flagmask (int flag_select)
|
||||
{
|
||||
#ifdef PNG_MMX_CODE_SUPPORTED
|
||||
png_uint_32 settable_asm_flags = 0;
|
||||
|
||||
if (flag_select & PNG_SELECT_READ)
|
||||
@@ -1025,16 +1030,18 @@ png_get_asm_flagmask (int flag_select)
|
||||
#endif /* 0 */
|
||||
|
||||
return settable_asm_flags; /* _theoretically_ settable capabilities only */
|
||||
#else
|
||||
return (0L);
|
||||
#endif /* PNG_MMX_CODE_SUPPORTED */
|
||||
}
|
||||
#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */
|
||||
|
||||
|
||||
#if defined(PNG_ASSEMBLER_CODE_SUPPORTED)
|
||||
/* GRR: could add this: && defined(PNG_MMX_CODE_SUPPORTED) */
|
||||
/* this function was added to libpng 1.2.0 */
|
||||
png_uint_32 PNGAPI
|
||||
png_get_mmx_flagmask (int flag_select, int *compilerID)
|
||||
{
|
||||
#if defined(PNG_MMX_CODE_SUPPORTED)
|
||||
png_uint_32 settable_mmx_flags = 0;
|
||||
|
||||
if (flag_select & PNG_SELECT_READ)
|
||||
@@ -1065,23 +1072,34 @@ png_get_mmx_flagmask (int flag_select, int *compilerID)
|
||||
}
|
||||
|
||||
return settable_mmx_flags; /* _theoretically_ settable capabilities only */
|
||||
#else
|
||||
return (0L);
|
||||
#endif /* ?PNG_MMX_CODE_SUPPORTED */
|
||||
}
|
||||
|
||||
/* this function was added to libpng 1.2.0 */
|
||||
png_byte PNGAPI
|
||||
png_get_mmx_bitdepth_threshold (png_structp png_ptr)
|
||||
{
|
||||
#if defined(PNG_MMX_CODE_SUPPORTED)
|
||||
return (png_byte)(png_ptr? png_ptr->mmx_bitdepth_threshold : 0);
|
||||
#else
|
||||
return (png_ptr? 0: 0);
|
||||
#endif /* ?PNG_MMX_CODE_SUPPORTED */
|
||||
}
|
||||
|
||||
/* this function was added to libpng 1.2.0 */
|
||||
png_uint_32 PNGAPI
|
||||
png_get_mmx_rowbytes_threshold (png_structp png_ptr)
|
||||
{
|
||||
#if defined(PNG_MMX_CODE_SUPPORTED)
|
||||
return (png_uint_32)(png_ptr? png_ptr->mmx_rowbytes_threshold : 0L);
|
||||
#else
|
||||
return (png_ptr? 0L: 0L);
|
||||
#endif /* ?PNG_MMX_CODE_SUPPORTED */
|
||||
}
|
||||
#endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */
|
||||
#endif /* ?PNG_1_0_X */
|
||||
#endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */
|
||||
|
||||
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
|
||||
/* these functions were added to libpng 1.2.6 */
|
||||
|
||||
@@ -1,7 +1,7 @@
|
||||
|
||||
/* pngmem.c - stub functions for memory allocation
|
||||
*
|
||||
* Last changed in libpng 1.2.9 April 14, 2006
|
||||
* Last changed in libpng 1.2.13 November 13, 2006
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
@@ -137,6 +137,9 @@ png_malloc_default(png_structp png_ptr, png_uint_32 size)
|
||||
png_voidp ret;
|
||||
#endif /* PNG_USER_MEM_SUPPORTED */
|
||||
|
||||
if (png_ptr == NULL || size == 0)
|
||||
return (NULL);
|
||||
|
||||
#ifdef PNG_MAX_MALLOC_64K
|
||||
if (size > (png_uint_32)65536L)
|
||||
{
|
||||
@@ -290,6 +293,8 @@ png_free_default(png_structp png_ptr, png_voidp ptr)
|
||||
{
|
||||
#endif /* PNG_USER_MEM_SUPPORTED */
|
||||
|
||||
if(png_ptr == NULL) return;
|
||||
|
||||
if (png_ptr->offset_table != NULL)
|
||||
{
|
||||
int i;
|
||||
@@ -536,8 +541,10 @@ png_voidp PNGAPI
|
||||
png_malloc_warn(png_structp png_ptr, png_uint_32 size)
|
||||
{
|
||||
png_voidp ptr;
|
||||
png_uint_32 save_flags=png_ptr->flags;
|
||||
png_uint_32 save_flags;
|
||||
if(png_ptr == NULL) return (NULL);
|
||||
|
||||
save_flags=png_ptr->flags;
|
||||
png_ptr->flags|=PNG_FLAG_MALLOC_NULL_MEM_OK;
|
||||
ptr = (png_voidp)png_malloc((png_structp)png_ptr, size);
|
||||
png_ptr->flags=save_flags;
|
||||
@@ -580,9 +587,11 @@ void PNGAPI
|
||||
png_set_mem_fn(png_structp png_ptr, png_voidp mem_ptr, png_malloc_ptr
|
||||
malloc_fn, png_free_ptr free_fn)
|
||||
{
|
||||
if(png_ptr != NULL) {
|
||||
png_ptr->mem_ptr = mem_ptr;
|
||||
png_ptr->malloc_fn = malloc_fn;
|
||||
png_ptr->free_fn = free_fn;
|
||||
}
|
||||
}
|
||||
|
||||
/* This function returns a pointer to the mem_ptr associated with the user
|
||||
@@ -592,6 +601,7 @@ png_set_mem_fn(png_structp png_ptr, png_voidp mem_ptr, png_malloc_ptr
|
||||
png_voidp PNGAPI
|
||||
png_get_mem_ptr(png_structp png_ptr)
|
||||
{
|
||||
if(png_ptr == NULL) return (NULL);
|
||||
return ((png_voidp)png_ptr->mem_ptr);
|
||||
}
|
||||
#endif /* PNG_USER_MEM_SUPPORTED */
|
||||
|
||||
@@ -1,7 +1,7 @@
|
||||
|
||||
/* pngpread.c - read a png file in push mode
|
||||
*
|
||||
* Last changed in libpng 1.2.11 - June 7, 2004
|
||||
* Last changed in libpng 1.2.13 November 13, 2006
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
@@ -28,6 +28,7 @@ void PNGAPI
|
||||
png_process_data(png_structp png_ptr, png_infop info_ptr,
|
||||
png_bytep buffer, png_size_t buffer_size)
|
||||
{
|
||||
if(png_ptr == NULL) return;
|
||||
png_push_restore_buffer(png_ptr, buffer, buffer_size);
|
||||
|
||||
while (png_ptr->buffer_size)
|
||||
@@ -42,6 +43,7 @@ png_process_data(png_structp png_ptr, png_infop info_ptr,
|
||||
void /* PRIVATE */
|
||||
png_process_some_data(png_structp png_ptr, png_infop info_ptr)
|
||||
{
|
||||
if(png_ptr == NULL) return;
|
||||
switch (png_ptr->process_mode)
|
||||
{
|
||||
case PNG_READ_SIG_MODE:
|
||||
@@ -692,6 +694,7 @@ png_push_fill_buffer(png_structp png_ptr, png_bytep buffer, png_size_t length)
|
||||
{
|
||||
png_bytep ptr;
|
||||
|
||||
if(png_ptr == NULL) return;
|
||||
ptr = buffer;
|
||||
if (png_ptr->save_buffer_size)
|
||||
{
|
||||
@@ -1729,6 +1732,7 @@ void PNGAPI
|
||||
png_progressive_combine_row (png_structp png_ptr,
|
||||
png_bytep old_row, png_bytep new_row)
|
||||
{
|
||||
if(png_ptr == NULL) return;
|
||||
#ifdef PNG_USE_LOCAL_ARRAYS
|
||||
const int FARDATA png_pass_dsp_mask[7] =
|
||||
{0xff, 0x0f, 0xff, 0x33, 0xff, 0x55, 0xff};
|
||||
@@ -1742,6 +1746,7 @@ png_set_progressive_read_fn(png_structp png_ptr, png_voidp progressive_ptr,
|
||||
png_progressive_info_ptr info_fn, png_progressive_row_ptr row_fn,
|
||||
png_progressive_end_ptr end_fn)
|
||||
{
|
||||
if(png_ptr == NULL) return;
|
||||
png_ptr->info_fn = info_fn;
|
||||
png_ptr->row_fn = row_fn;
|
||||
png_ptr->end_fn = end_fn;
|
||||
@@ -1763,6 +1768,7 @@ png_set_progressive_frame_fn(png_structp png_ptr,
|
||||
png_voidp PNGAPI
|
||||
png_get_progressive_ptr(png_structp png_ptr)
|
||||
{
|
||||
if(png_ptr == NULL) return (NULL);
|
||||
return png_ptr->io_ptr;
|
||||
}
|
||||
#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
|
||||
|
||||
@@ -1,9 +1,9 @@
|
||||
|
||||
/* pngread.c - read a PNG file
|
||||
*
|
||||
* Last changed in libpng 1.2.11 June 7, 2006
|
||||
* Last changed in libpng 1.2.15 January 5, 2007
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
|
||||
* Copyright (c) 1998-2007 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
|
||||
*
|
||||
@@ -56,7 +56,7 @@ png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
|
||||
return (NULL);
|
||||
|
||||
#if !defined(PNG_1_0_X)
|
||||
#ifdef PNG_ASSEMBLER_CODE_SUPPORTED
|
||||
#ifdef PNG_MMX_CODE_SUPPORTED
|
||||
png_init_mmx_flags(png_ptr); /* 1.2.0 addition */
|
||||
#endif
|
||||
#endif /* PNG_1_0_X */
|
||||
@@ -188,6 +188,7 @@ png_read_init_2(png_structp png_ptr, png_const_charp user_png_ver,
|
||||
png_size_t png_struct_size, png_size_t png_info_size)
|
||||
{
|
||||
/* We only come here via pre-1.0.12-compiled applications */
|
||||
if(png_ptr == NULL) return;
|
||||
#if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE)
|
||||
if(png_sizeof(png_struct) > png_struct_size ||
|
||||
png_sizeof(png_info) > png_info_size)
|
||||
@@ -239,6 +240,8 @@ png_read_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver,
|
||||
|
||||
png_structp png_ptr=*ptr_ptr;
|
||||
|
||||
if(png_ptr == NULL) return;
|
||||
|
||||
do
|
||||
{
|
||||
if(user_png_ver[i] != png_libpng_ver[i])
|
||||
@@ -317,6 +320,7 @@ png_read_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver,
|
||||
void PNGAPI
|
||||
png_read_info(png_structp png_ptr, png_infop info_ptr)
|
||||
{
|
||||
if(png_ptr == NULL) return;
|
||||
png_debug(1, "in png_read_info\n");
|
||||
/* If we haven't checked all of the PNG signature bytes, do so now. */
|
||||
if (png_ptr->sig_bytes < 8)
|
||||
@@ -623,6 +627,7 @@ void PNGAPI
|
||||
png_read_update_info(png_structp png_ptr, png_infop info_ptr)
|
||||
{
|
||||
png_debug(1, "in png_read_update_info\n");
|
||||
if(png_ptr == NULL) return;
|
||||
if (!(png_ptr->flags & PNG_FLAG_ROW_INIT))
|
||||
png_read_start_row(png_ptr);
|
||||
else
|
||||
@@ -641,6 +646,7 @@ void PNGAPI
|
||||
png_start_read_image(png_structp png_ptr)
|
||||
{
|
||||
png_debug(1, "in png_start_read_image\n");
|
||||
if(png_ptr == NULL) return;
|
||||
if (!(png_ptr->flags & PNG_FLAG_ROW_INIT))
|
||||
png_read_start_row(png_ptr);
|
||||
}
|
||||
@@ -660,6 +666,7 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row)
|
||||
const int png_pass_mask[7] = {0x80, 0x08, 0x88, 0x22, 0xaa, 0x55, 0xff};
|
||||
#endif
|
||||
int ret;
|
||||
if(png_ptr == NULL) return;
|
||||
png_debug2(1, "in png_read_row (row %lu, pass %d)\n",
|
||||
png_ptr->row_number, png_ptr->pass);
|
||||
if (!(png_ptr->flags & PNG_FLAG_ROW_INIT))
|
||||
@@ -948,6 +955,7 @@ png_read_rows(png_structp png_ptr, png_bytepp row,
|
||||
png_bytepp dp;
|
||||
|
||||
png_debug(1, "in png_read_rows\n");
|
||||
if(png_ptr == NULL) return;
|
||||
rp = row;
|
||||
dp = display_row;
|
||||
if (rp != NULL && dp != NULL)
|
||||
@@ -996,6 +1004,7 @@ png_read_image(png_structp png_ptr, png_bytepp image)
|
||||
png_bytepp rp;
|
||||
|
||||
png_debug(1, "in png_read_image\n");
|
||||
if(png_ptr == NULL) return;
|
||||
|
||||
#ifdef PNG_READ_INTERLACING_SUPPORTED
|
||||
pass = png_set_interlace_handling(png_ptr);
|
||||
@@ -1034,6 +1043,7 @@ png_read_end(png_structp png_ptr, png_infop info_ptr)
|
||||
png_uint_32 length;
|
||||
|
||||
png_debug(1, "in png_read_end\n");
|
||||
if(png_ptr == NULL) return;
|
||||
png_crc_finish(png_ptr, 0); /* Finish off CRC from last IDAT chunk */
|
||||
|
||||
do
|
||||
@@ -1437,6 +1447,7 @@ png_read_destroy(png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr
|
||||
void PNGAPI
|
||||
png_set_read_status_fn(png_structp png_ptr, png_read_status_ptr read_row_fn)
|
||||
{
|
||||
if(png_ptr == NULL) return;
|
||||
png_ptr->read_row_fn = read_row_fn;
|
||||
}
|
||||
|
||||
@@ -1450,6 +1461,7 @@ png_read_png(png_structp png_ptr, png_infop info_ptr,
|
||||
{
|
||||
int row;
|
||||
|
||||
if(png_ptr == NULL) return;
|
||||
#if defined(PNG_READ_INVERT_ALPHA_SUPPORTED)
|
||||
/* invert the alpha channel from opacity to transparency
|
||||
*/
|
||||
|
||||
@@ -1,7 +1,7 @@
|
||||
|
||||
/* pngrio.c - functions for data input
|
||||
*
|
||||
* Last changed in libpng 1.2.9 April 14, 2006
|
||||
* Last changed in libpng 1.2.13 November 13, 2006
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
@@ -46,6 +46,7 @@ png_default_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
|
||||
{
|
||||
png_size_t check;
|
||||
|
||||
if(png_ptr == NULL) return;
|
||||
/* fread() returns 0 on error, so it is OK to store this in a png_size_t
|
||||
* instead of an int, which is what fread() actually returns.
|
||||
*/
|
||||
@@ -76,6 +77,7 @@ png_default_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
|
||||
png_byte *n_data;
|
||||
png_FILE_p io_ptr;
|
||||
|
||||
if(png_ptr == NULL) return;
|
||||
/* Check if data really is near. If so, use usual code. */
|
||||
n_data = (png_byte *)CVT_PTR_NOCHECK(data);
|
||||
io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr);
|
||||
@@ -136,6 +138,7 @@ void PNGAPI
|
||||
png_set_read_fn(png_structp png_ptr, png_voidp io_ptr,
|
||||
png_rw_ptr read_data_fn)
|
||||
{
|
||||
if(png_ptr == NULL) return;
|
||||
png_ptr->io_ptr = io_ptr;
|
||||
|
||||
#if !defined(PNG_NO_STDIO)
|
||||
|
||||
@@ -1,9 +1,9 @@
|
||||
|
||||
/* pngrtran.c - transforms the data in a row for PNG readers
|
||||
*
|
||||
* Last changed in libpng 1.2.11 June 15, 2006
|
||||
* Last changed in libpng 1.2.15 January 5, 2007
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
|
||||
* Copyright (c) 1998-2007 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
|
||||
*
|
||||
@@ -24,6 +24,7 @@ png_set_crc_action(png_structp png_ptr, int crit_action, int ancil_action)
|
||||
{
|
||||
png_debug(1, "in png_set_crc_action\n");
|
||||
/* Tell libpng how we react to CRC errors in critical chunks */
|
||||
if(png_ptr == NULL) return;
|
||||
switch (crit_action)
|
||||
{
|
||||
case PNG_CRC_NO_CHANGE: /* leave setting as is */
|
||||
@@ -80,6 +81,7 @@ png_set_background(png_structp png_ptr,
|
||||
int need_expand, double background_gamma)
|
||||
{
|
||||
png_debug(1, "in png_set_background\n");
|
||||
if(png_ptr == NULL) return;
|
||||
if (background_gamma_code == PNG_BACKGROUND_GAMMA_UNKNOWN)
|
||||
{
|
||||
png_warning(png_ptr, "Application must supply a known background gamma");
|
||||
@@ -92,17 +94,6 @@ png_set_background(png_structp png_ptr,
|
||||
png_ptr->background_gamma = (float)background_gamma;
|
||||
png_ptr->background_gamma_type = (png_byte)(background_gamma_code);
|
||||
png_ptr->transformations |= (need_expand ? PNG_BACKGROUND_EXPAND : 0);
|
||||
|
||||
/* Note: if need_expand is set and color_type is either RGB or RGB_ALPHA
|
||||
* (in which case need_expand is superfluous anyway), the background color
|
||||
* might actually be gray yet not be flagged as such. This is not a problem
|
||||
* for the current code, which uses PNG_BACKGROUND_IS_GRAY only to
|
||||
* decide when to do the png_do_gray_to_rgb() transformation.
|
||||
*/
|
||||
if ((need_expand && !(png_ptr->color_type & PNG_COLOR_MASK_COLOR)) ||
|
||||
(!need_expand && background_color->red == background_color->green &&
|
||||
background_color->red == background_color->blue))
|
||||
png_ptr->mode |= PNG_BACKGROUND_IS_GRAY;
|
||||
}
|
||||
#endif
|
||||
|
||||
@@ -112,6 +103,7 @@ void PNGAPI
|
||||
png_set_strip_16(png_structp png_ptr)
|
||||
{
|
||||
png_debug(1, "in png_set_strip_16\n");
|
||||
if(png_ptr == NULL) return;
|
||||
png_ptr->transformations |= PNG_16_TO_8;
|
||||
}
|
||||
#endif
|
||||
@@ -121,6 +113,7 @@ void PNGAPI
|
||||
png_set_strip_alpha(png_structp png_ptr)
|
||||
{
|
||||
png_debug(1, "in png_set_strip_alpha\n");
|
||||
if(png_ptr == NULL) return;
|
||||
png_ptr->flags |= PNG_FLAG_STRIP_ALPHA;
|
||||
}
|
||||
#endif
|
||||
@@ -150,6 +143,7 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
|
||||
int full_dither)
|
||||
{
|
||||
png_debug(1, "in png_set_dither\n");
|
||||
if(png_ptr == NULL) return;
|
||||
png_ptr->transformations |= PNG_DITHER;
|
||||
|
||||
if (!full_dither)
|
||||
@@ -533,6 +527,7 @@ void PNGAPI
|
||||
png_set_gamma(png_structp png_ptr, double scrn_gamma, double file_gamma)
|
||||
{
|
||||
png_debug(1, "in png_set_gamma\n");
|
||||
if(png_ptr == NULL) return;
|
||||
if ((fabs(scrn_gamma * file_gamma - 1.0) > PNG_GAMMA_THRESHOLD) ||
|
||||
(png_ptr->color_type & PNG_COLOR_MASK_ALPHA) ||
|
||||
(png_ptr->color_type == PNG_COLOR_TYPE_PALETTE))
|
||||
@@ -551,6 +546,7 @@ void PNGAPI
|
||||
png_set_expand(png_structp png_ptr)
|
||||
{
|
||||
png_debug(1, "in png_set_expand\n");
|
||||
if(png_ptr == NULL) return;
|
||||
png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS);
|
||||
}
|
||||
|
||||
@@ -576,6 +572,7 @@ void PNGAPI
|
||||
png_set_palette_to_rgb(png_structp png_ptr)
|
||||
{
|
||||
png_debug(1, "in png_set_palette_to_rgb\n");
|
||||
if(png_ptr == NULL) return;
|
||||
png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS);
|
||||
}
|
||||
|
||||
@@ -585,6 +582,7 @@ void PNGAPI
|
||||
png_set_expand_gray_1_2_4_to_8(png_structp png_ptr)
|
||||
{
|
||||
png_debug(1, "in png_set_expand_gray_1_2_4_to_8\n");
|
||||
if(png_ptr == NULL) return;
|
||||
png_ptr->transformations |= PNG_EXPAND_tRNS;
|
||||
}
|
||||
#endif
|
||||
@@ -596,6 +594,7 @@ void PNGAPI
|
||||
png_set_gray_1_2_4_to_8(png_structp png_ptr)
|
||||
{
|
||||
png_debug(1, "in png_set_gray_1_2_4_to_8\n");
|
||||
if(png_ptr == NULL) return;
|
||||
png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS);
|
||||
}
|
||||
#endif
|
||||
@@ -631,6 +630,7 @@ png_set_rgb_to_gray(png_structp png_ptr, int error_action, double red,
|
||||
{
|
||||
int red_fixed = (int)((float)red*100000.0 + 0.5);
|
||||
int green_fixed = (int)((float)green*100000.0 + 0.5);
|
||||
if(png_ptr == NULL) return;
|
||||
png_set_rgb_to_gray_fixed(png_ptr, error_action, red_fixed, green_fixed);
|
||||
}
|
||||
#endif
|
||||
@@ -640,6 +640,7 @@ png_set_rgb_to_gray_fixed(png_structp png_ptr, int error_action,
|
||||
png_fixed_point red, png_fixed_point green)
|
||||
{
|
||||
png_debug(1, "in png_set_rgb_to_gray\n");
|
||||
if(png_ptr == NULL) return;
|
||||
switch(error_action)
|
||||
{
|
||||
case 1: png_ptr->transformations |= PNG_RGB_TO_GRAY;
|
||||
@@ -690,6 +691,7 @@ png_set_read_user_transform_fn(png_structp png_ptr, png_user_transform_ptr
|
||||
read_user_transform_fn)
|
||||
{
|
||||
png_debug(1, "in png_set_read_user_transform_fn\n");
|
||||
if(png_ptr == NULL) return;
|
||||
#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED)
|
||||
png_ptr->transformations |= PNG_USER_TRANSFORM;
|
||||
png_ptr->read_user_transform_fn = read_user_transform_fn;
|
||||
@@ -719,6 +721,32 @@ png_init_read_transformations(png_structp png_ptr)
|
||||
#endif
|
||||
|
||||
#if defined(PNG_READ_EXPAND_SUPPORTED) && defined(PNG_READ_BACKGROUND_SUPPORTED)
|
||||
|
||||
#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED)
|
||||
/* Detect gray background and attempt to enable optimization
|
||||
* for gray --> RGB case */
|
||||
/* Note: if PNG_BACKGROUND_EXPAND is set and color_type is either RGB or
|
||||
* RGB_ALPHA (in which case need_expand is superfluous anyway), the
|
||||
* background color might actually be gray yet not be flagged as such.
|
||||
* This is not a problem for the current code, which uses
|
||||
* PNG_BACKGROUND_IS_GRAY only to decide when to do the
|
||||
* png_do_gray_to_rgb() transformation.
|
||||
*/
|
||||
if ((png_ptr->transformations & PNG_BACKGROUND_EXPAND) &&
|
||||
!(color_type & PNG_COLOR_MASK_COLOR))
|
||||
{
|
||||
png_ptr->mode |= PNG_BACKGROUND_IS_GRAY;
|
||||
} else if ((png_ptr->transformations & PNG_BACKGROUND) &&
|
||||
!(png_ptr->transformations & PNG_BACKGROUND_EXPAND) &&
|
||||
(png_ptr->transformations & PNG_GRAY_TO_RGB) &&
|
||||
png_ptr->background.red == png_ptr->background.green &&
|
||||
png_ptr->background.red == png_ptr->background.blue)
|
||||
{
|
||||
png_ptr->mode |= PNG_BACKGROUND_IS_GRAY;
|
||||
png_ptr->background.gray = png_ptr->background.red;
|
||||
}
|
||||
#endif
|
||||
|
||||
if ((png_ptr->transformations & PNG_BACKGROUND_EXPAND) &&
|
||||
(png_ptr->transformations & PNG_EXPAND))
|
||||
{
|
||||
|
||||
@@ -1,9 +1,9 @@
|
||||
|
||||
/* pngrutil.c - utilities to read a PNG file
|
||||
*
|
||||
* Last changed in libpng 1.2.11 June 4, 2006
|
||||
* Last changed in libpng 1.2.15 January 5, 2007
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
|
||||
* Copyright (c) 1998-2007 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
|
||||
*
|
||||
@@ -16,27 +16,29 @@
|
||||
|
||||
#if defined(PNG_READ_SUPPORTED)
|
||||
|
||||
#if defined(_WIN32_WCE)
|
||||
#ifdef PNG_FLOATING_POINT_SUPPORTED
|
||||
# if defined(_WIN32_WCE)
|
||||
/* strtod() function is not supported on WindowsCE */
|
||||
# ifdef PNG_FLOATING_POINT_SUPPORTED
|
||||
__inline double strtod(const char *nptr, char **endptr)
|
||||
__inline double png_strtod(png_structp png_ptr, const char *nptr, char **endptr)
|
||||
{
|
||||
double result = 0;
|
||||
int len;
|
||||
wchar_t *str, *end;
|
||||
|
||||
len = MultiByteToWideChar(CP_ACP, 0, nptr, -1, NULL, 0);
|
||||
str = (wchar_t *)malloc(len * sizeof(wchar_t));
|
||||
str = (wchar_t *)png_malloc(png_ptr, len * sizeof(wchar_t));
|
||||
if ( NULL != str )
|
||||
{
|
||||
MultiByteToWideChar(CP_ACP, 0, nptr, -1, str, len);
|
||||
result = wcstod(str, &end);
|
||||
len = WideCharToMultiByte(CP_ACP, 0, end, -1, NULL, 0, NULL, NULL);
|
||||
*endptr = (char *)nptr + (png_strlen(nptr) - len + 1);
|
||||
free(str);
|
||||
png_free(str);
|
||||
}
|
||||
return result;
|
||||
}
|
||||
# else
|
||||
# define png_strtod(p,a,b) strtod(a,b)
|
||||
# endif
|
||||
#endif
|
||||
|
||||
@@ -90,6 +92,7 @@ png_get_uint_16(png_bytep buf)
|
||||
void /* PRIVATE */
|
||||
png_crc_read(png_structp png_ptr, png_bytep buf, png_size_t length)
|
||||
{
|
||||
if(png_ptr == NULL) return;
|
||||
png_read_data(png_ptr, buf, length);
|
||||
png_calculate_crc(png_ptr, buf, length);
|
||||
}
|
||||
@@ -1735,7 +1738,7 @@ png_handle_sCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
|
||||
ep = buffer + 1; /* skip unit byte */
|
||||
|
||||
#ifdef PNG_FLOATING_POINT_SUPPORTED
|
||||
width = strtod(ep, &vp);
|
||||
width = png_strtod(png_ptr, ep, &vp);
|
||||
if (*vp)
|
||||
{
|
||||
png_warning(png_ptr, "malformed width string in sCAL chunk");
|
||||
@@ -1758,7 +1761,7 @@ png_handle_sCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
|
||||
ep++;
|
||||
|
||||
#ifdef PNG_FLOATING_POINT_SUPPORTED
|
||||
height = strtod(ep, &vp);
|
||||
height = png_strtod(png_ptr, ep, &vp);
|
||||
if (*vp)
|
||||
{
|
||||
png_warning(png_ptr, "malformed height string in sCAL chunk");
|
||||
@@ -2411,7 +2414,7 @@ png_check_chunk_name(png_structp png_ptr, png_bytep chunk_name)
|
||||
a zero indicates the pixel is to be skipped. This is in addition
|
||||
to any alpha or transparency value associated with the pixel. If
|
||||
you want all pixels to be combined, pass 0xff (255) in mask. */
|
||||
#ifndef PNG_HAVE_ASSEMBLER_COMBINE_ROW
|
||||
#ifndef PNG_HAVE_MMX_COMBINE_ROW
|
||||
void /* PRIVATE */
|
||||
png_combine_row(png_structp png_ptr, png_bytep row, int mask)
|
||||
{
|
||||
@@ -2612,10 +2615,10 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask)
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif /* !PNG_HAVE_ASSEMBLER_COMBINE_ROW */
|
||||
#endif /* !PNG_HAVE_MMX_COMBINE_ROW */
|
||||
|
||||
#ifdef PNG_READ_INTERLACING_SUPPORTED
|
||||
#ifndef PNG_HAVE_ASSEMBLER_READ_INTERLACE /* else in pngvcrd.c, pnggccrd.c */
|
||||
#ifndef PNG_HAVE_MMX_READ_INTERLACE /* else in pngvcrd.c, pnggccrd.c */
|
||||
/* OLD pre-1.0.9 interface:
|
||||
void png_do_read_interlace(png_row_infop row_info, png_bytep row, int pass,
|
||||
png_uint_32 transformations)
|
||||
@@ -2841,10 +2844,10 @@ png_do_read_interlace(png_structp png_ptr)
|
||||
return;
|
||||
#endif
|
||||
}
|
||||
#endif /* !PNG_HAVE_ASSEMBLER_READ_INTERLACE */
|
||||
#endif /* !PNG_HAVE_MMX_READ_INTERLACE */
|
||||
#endif /* PNG_READ_INTERLACING_SUPPORTED */
|
||||
|
||||
#ifndef PNG_HAVE_ASSEMBLER_READ_FILTER_ROW
|
||||
#ifndef PNG_HAVE_MMX_READ_FILTER_ROW
|
||||
void /* PRIVATE */
|
||||
png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep row,
|
||||
png_bytep prev_row, int filter)
|
||||
@@ -2967,7 +2970,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep row,
|
||||
break;
|
||||
}
|
||||
}
|
||||
#endif /* !PNG_HAVE_ASSEMBLER_READ_FILTER_ROW */
|
||||
#endif /* !PNG_HAVE_MMX_READ_FILTER_ROW */
|
||||
|
||||
void /* PRIVATE */
|
||||
png_read_finish_row(png_structp png_ptr)
|
||||
@@ -3271,7 +3274,7 @@ defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
|
||||
if ((png_uint_32)png_ptr->rowbytes + 1 > (png_uint_32)65536L)
|
||||
png_error(png_ptr, "This image requires a row greater than 64KB");
|
||||
#endif
|
||||
if ((png_uint_32)png_ptr->rowbytes > PNG_SIZE_MAX - 1)
|
||||
if ((png_uint_32)png_ptr->rowbytes > (png_uint_32)(PNG_SIZE_MAX - 1))
|
||||
png_error(png_ptr, "Row has too many bytes to allocate in memory.");
|
||||
png_ptr->prev_row = (png_bytep)png_malloc(png_ptr, (png_uint_32)(
|
||||
png_ptr->rowbytes + 1));
|
||||
|
||||
@@ -1,9 +1,9 @@
|
||||
|
||||
/* pngset.c - storage of image information into info struct
|
||||
*
|
||||
* Last changed in libpng 1.2.9 April 14, 2006
|
||||
* Last changed in libpng 1.2.15 January 5, 2007
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
|
||||
* Copyright (c) 1998-2007 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
|
||||
*
|
||||
@@ -981,10 +981,10 @@ png_set_sPLT(png_structp png_ptr,
|
||||
/* TODO: use png_malloc_warn */
|
||||
png_strcpy(to->name, from->name);
|
||||
to->entries = (png_sPLT_entryp)png_malloc(png_ptr,
|
||||
from->nentries * png_sizeof(png_sPLT_t));
|
||||
from->nentries * png_sizeof(png_sPLT_entry));
|
||||
/* TODO: use png_malloc_warn */
|
||||
png_memcpy(to->entries, from->entries,
|
||||
from->nentries * png_sizeof(png_sPLT_t));
|
||||
from->nentries * png_sizeof(png_sPLT_entry));
|
||||
to->nentries = from->nentries;
|
||||
to->depth = from->depth;
|
||||
}
|
||||
@@ -1314,11 +1314,13 @@ png_set_invalid(png_structp png_ptr, png_infop info_ptr, int mask)
|
||||
void PNGAPI
|
||||
png_set_asm_flags (png_structp png_ptr, png_uint_32 asm_flags)
|
||||
{
|
||||
#ifdef PNG_MMX_CODE_SUPPORTED
|
||||
png_uint_32 settable_asm_flags;
|
||||
png_uint_32 settable_mmx_flags;
|
||||
|
||||
#endif
|
||||
if (png_ptr == NULL)
|
||||
return;
|
||||
#ifdef PNG_MMX_CODE_SUPPORTED
|
||||
|
||||
settable_mmx_flags =
|
||||
#ifdef PNG_HAVE_ASSEMBLER_COMBINE_ROW
|
||||
@@ -1347,15 +1349,14 @@ png_set_asm_flags (png_structp png_ptr, png_uint_32 asm_flags)
|
||||
}
|
||||
|
||||
/* we're replacing the settable bits with those passed in by the user,
|
||||
* so first zero them out of the master copy, then logical-OR in the
|
||||
* so first zero them out of the master copy, then bitwise-OR in the
|
||||
* allowed subset that was requested */
|
||||
|
||||
png_ptr->asm_flags &= ~settable_asm_flags; /* zero them */
|
||||
png_ptr->asm_flags |= (asm_flags & settable_asm_flags); /* set them */
|
||||
#endif /* ?PNG_MMX_CODE_SUPPORTED */
|
||||
}
|
||||
#endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */
|
||||
|
||||
#ifdef PNG_ASSEMBLER_CODE_SUPPORTED
|
||||
/* this function was added to libpng 1.2.0 */
|
||||
void PNGAPI
|
||||
png_set_mmx_thresholds (png_structp png_ptr,
|
||||
@@ -1364,8 +1365,10 @@ png_set_mmx_thresholds (png_structp png_ptr,
|
||||
{
|
||||
if (png_ptr == NULL)
|
||||
return;
|
||||
#ifdef PNG_MMX_CODE_SUPPORTED
|
||||
png_ptr->mmx_bitdepth_threshold = mmx_bitdepth_threshold;
|
||||
png_ptr->mmx_rowbytes_threshold = mmx_rowbytes_threshold;
|
||||
#endif /* ?PNG_MMX_CODE_SUPPORTED */
|
||||
}
|
||||
#endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */
|
||||
|
||||
@@ -1379,6 +1382,7 @@ png_set_user_limits (png_structp png_ptr, png_uint_32 user_width_max,
|
||||
* rejected by png_set_IHDR(). To accept any PNG datastream
|
||||
* regardless of dimensions, set both limits to 0x7ffffffL.
|
||||
*/
|
||||
if(png_ptr == NULL) return;
|
||||
png_ptr->user_width_max = user_width_max;
|
||||
png_ptr->user_height_max = user_height_max;
|
||||
}
|
||||
|
||||
@@ -1,7 +1,7 @@
|
||||
|
||||
/* pngtrans.c - transforms the data in a row (used by both readers and writers)
|
||||
*
|
||||
* Last changed in libpng 1.2.9 April 14, 2006
|
||||
* Last changed in libpng 1.2.13 November 13, 2006
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
@@ -18,6 +18,7 @@ void PNGAPI
|
||||
png_set_bgr(png_structp png_ptr)
|
||||
{
|
||||
png_debug(1, "in png_set_bgr\n");
|
||||
if(png_ptr == NULL) return;
|
||||
png_ptr->transformations |= PNG_BGR;
|
||||
}
|
||||
#endif
|
||||
@@ -28,6 +29,7 @@ void PNGAPI
|
||||
png_set_swap(png_structp png_ptr)
|
||||
{
|
||||
png_debug(1, "in png_set_swap\n");
|
||||
if(png_ptr == NULL) return;
|
||||
if (png_ptr->bit_depth == 16)
|
||||
png_ptr->transformations |= PNG_SWAP_BYTES;
|
||||
}
|
||||
@@ -39,6 +41,7 @@ void PNGAPI
|
||||
png_set_packing(png_structp png_ptr)
|
||||
{
|
||||
png_debug(1, "in png_set_packing\n");
|
||||
if(png_ptr == NULL) return;
|
||||
if (png_ptr->bit_depth < 8)
|
||||
{
|
||||
png_ptr->transformations |= PNG_PACK;
|
||||
@@ -53,6 +56,7 @@ void PNGAPI
|
||||
png_set_packswap(png_structp png_ptr)
|
||||
{
|
||||
png_debug(1, "in png_set_packswap\n");
|
||||
if(png_ptr == NULL) return;
|
||||
if (png_ptr->bit_depth < 8)
|
||||
png_ptr->transformations |= PNG_PACKSWAP;
|
||||
}
|
||||
@@ -63,6 +67,7 @@ void PNGAPI
|
||||
png_set_shift(png_structp png_ptr, png_color_8p true_bits)
|
||||
{
|
||||
png_debug(1, "in png_set_shift\n");
|
||||
if(png_ptr == NULL) return;
|
||||
png_ptr->transformations |= PNG_SHIFT;
|
||||
png_ptr->shift = *true_bits;
|
||||
}
|
||||
@@ -74,7 +79,7 @@ int PNGAPI
|
||||
png_set_interlace_handling(png_structp png_ptr)
|
||||
{
|
||||
png_debug(1, "in png_set_interlace handling\n");
|
||||
if (png_ptr->interlaced)
|
||||
if (png_ptr && png_ptr->interlaced)
|
||||
{
|
||||
png_ptr->transformations |= PNG_INTERLACE;
|
||||
return (7);
|
||||
@@ -94,6 +99,7 @@ void PNGAPI
|
||||
png_set_filler(png_structp png_ptr, png_uint_32 filler, int filler_loc)
|
||||
{
|
||||
png_debug(1, "in png_set_filler\n");
|
||||
if(png_ptr == NULL) return;
|
||||
png_ptr->transformations |= PNG_FILLER;
|
||||
png_ptr->filler = (png_byte)filler;
|
||||
if (filler_loc == PNG_FILLER_AFTER)
|
||||
@@ -126,6 +132,7 @@ void PNGAPI
|
||||
png_set_add_alpha(png_structp png_ptr, png_uint_32 filler, int filler_loc)
|
||||
{
|
||||
png_debug(1, "in png_set_add_alpha\n");
|
||||
if(png_ptr == NULL) return;
|
||||
png_set_filler(png_ptr, filler, filler_loc);
|
||||
png_ptr->transformations |= PNG_ADD_ALPHA;
|
||||
}
|
||||
@@ -139,6 +146,7 @@ void PNGAPI
|
||||
png_set_swap_alpha(png_structp png_ptr)
|
||||
{
|
||||
png_debug(1, "in png_set_swap_alpha\n");
|
||||
if(png_ptr == NULL) return;
|
||||
png_ptr->transformations |= PNG_SWAP_ALPHA;
|
||||
}
|
||||
#endif
|
||||
@@ -149,6 +157,7 @@ void PNGAPI
|
||||
png_set_invert_alpha(png_structp png_ptr)
|
||||
{
|
||||
png_debug(1, "in png_set_invert_alpha\n");
|
||||
if(png_ptr == NULL) return;
|
||||
png_ptr->transformations |= PNG_INVERT_ALPHA;
|
||||
}
|
||||
#endif
|
||||
@@ -158,6 +167,7 @@ void PNGAPI
|
||||
png_set_invert_mono(png_structp png_ptr)
|
||||
{
|
||||
png_debug(1, "in png_set_invert_mono\n");
|
||||
if(png_ptr == NULL) return;
|
||||
png_ptr->transformations |= PNG_INVERT_MONO;
|
||||
}
|
||||
|
||||
@@ -621,6 +631,7 @@ png_set_user_transform_info(png_structp png_ptr, png_voidp
|
||||
user_transform_ptr, int user_transform_depth, int user_transform_channels)
|
||||
{
|
||||
png_debug(1, "in png_set_user_transform_info\n");
|
||||
if(png_ptr == NULL) return;
|
||||
#if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
|
||||
png_ptr->user_transform_ptr = user_transform_ptr;
|
||||
png_ptr->user_transform_depth = (png_byte)user_transform_depth;
|
||||
@@ -641,12 +652,10 @@ png_set_user_transform_info(png_structp png_ptr, png_voidp
|
||||
png_voidp PNGAPI
|
||||
png_get_user_transform_ptr(png_structp png_ptr)
|
||||
{
|
||||
if (png_ptr == NULL) return (NULL);
|
||||
#if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
|
||||
return ((png_voidp)png_ptr->user_transform_ptr);
|
||||
#else
|
||||
if(png_ptr)
|
||||
return (NULL);
|
||||
return (NULL);
|
||||
#endif
|
||||
return (NULL);
|
||||
}
|
||||
#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */
|
||||
|
||||
@@ -1,7 +1,7 @@
|
||||
|
||||
/* pngwio.c - functions for data output
|
||||
*
|
||||
* Last changed in libpng 1.2.3 - May 21, 2002
|
||||
* Last changed in libpng 1.2.13 November 13, 2006
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2002 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
@@ -45,6 +45,7 @@ png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
|
||||
{
|
||||
png_uint_32 check;
|
||||
|
||||
if(png_ptr == NULL) return;
|
||||
#if defined(_WIN32_WCE)
|
||||
if ( !WriteFile((HANDLE)(png_ptr->io_ptr), data, length, &check, NULL) )
|
||||
check = 0;
|
||||
@@ -70,6 +71,7 @@ png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
|
||||
png_byte *near_data; /* Needs to be "png_byte *" instead of "png_bytep" */
|
||||
png_FILE_p io_ptr;
|
||||
|
||||
if(png_ptr == NULL) return;
|
||||
/* Check if data really is near. If so, use usual code. */
|
||||
near_data = (png_byte *)CVT_PTR_NOCHECK(data);
|
||||
io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr);
|
||||
@@ -131,6 +133,9 @@ png_default_flush(png_structp png_ptr)
|
||||
{
|
||||
#if !defined(_WIN32_WCE)
|
||||
png_FILE_p io_ptr;
|
||||
#endif
|
||||
if(png_ptr == NULL) return;
|
||||
#if !defined(_WIN32_WCE)
|
||||
io_ptr = (png_FILE_p)CVT_PTR((png_ptr->io_ptr));
|
||||
if (io_ptr != NULL)
|
||||
fflush(io_ptr);
|
||||
@@ -165,6 +170,7 @@ void PNGAPI
|
||||
png_set_write_fn(png_structp png_ptr, png_voidp io_ptr,
|
||||
png_rw_ptr write_data_fn, png_flush_ptr output_flush_fn)
|
||||
{
|
||||
if(png_ptr == NULL) return;
|
||||
png_ptr->io_ptr = io_ptr;
|
||||
|
||||
#if !defined(PNG_NO_STDIO)
|
||||
|
||||
@@ -1,9 +1,9 @@
|
||||
|
||||
/* pngwrite.c - general routines to write a PNG file
|
||||
*
|
||||
* Last changed in libpng 1.2.9 April 14, 2006
|
||||
* Last changed in libpng 1.2.15 January 5, 2007
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
|
||||
* Copyright (c) 1998-2007 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
|
||||
*/
|
||||
@@ -469,8 +469,10 @@ png_create_write_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
|
||||
|
||||
#if !defined(PNG_1_0_X)
|
||||
#ifdef PNG_ASSEMBLER_CODE_SUPPORTED
|
||||
#ifdef PNG_MMX_CODE_SUPPORTED
|
||||
png_init_mmx_flags(png_ptr); /* 1.2.0 addition */
|
||||
#endif
|
||||
#endif
|
||||
#endif /* PNG_1_0_X */
|
||||
|
||||
/* added at libpng-1.2.6 */
|
||||
@@ -584,6 +586,7 @@ png_write_init_2(png_structp png_ptr, png_const_charp user_png_ver,
|
||||
png_size_t png_struct_size, png_size_t png_info_size)
|
||||
{
|
||||
/* We only come here via pre-1.0.12-compiled applications */
|
||||
if(png_ptr == NULL) return;
|
||||
#if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE)
|
||||
if(png_sizeof(png_struct) > png_struct_size ||
|
||||
png_sizeof(png_info) > png_info_size)
|
||||
@@ -678,8 +681,10 @@ png_write_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver,
|
||||
|
||||
#if !defined(PNG_1_0_X)
|
||||
#ifdef PNG_ASSEMBLER_CODE_SUPPORTED
|
||||
#ifdef PNG_MMX_CODE_SUPPORTED
|
||||
png_init_mmx_flags(png_ptr); /* 1.2.0 addition */
|
||||
#endif
|
||||
#endif
|
||||
#endif /* PNG_1_0_X */
|
||||
|
||||
#ifdef PNG_SETJMP_SUPPORTED
|
||||
|
||||
@@ -1,9 +1,9 @@
|
||||
|
||||
/* pngwutil.c - utilities to write a PNG file
|
||||
*
|
||||
* Last changed in libpng 1.2.11 June 4, 2006
|
||||
* Last changed in libpng 1.2.15 January 5, 2007
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
|
||||
* Copyright (c) 1998-2007 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
|
||||
*/
|
||||
@@ -62,6 +62,7 @@ void PNGAPI
|
||||
png_write_chunk(png_structp png_ptr, png_bytep chunk_name,
|
||||
png_bytep data, png_size_t length)
|
||||
{
|
||||
if(png_ptr == NULL) return;
|
||||
png_write_chunk_start(png_ptr, chunk_name, (png_uint_32)length);
|
||||
png_write_chunk_data(png_ptr, data, length);
|
||||
png_write_chunk_end(png_ptr);
|
||||
@@ -77,6 +78,7 @@ png_write_chunk_start(png_structp png_ptr, png_bytep chunk_name,
|
||||
{
|
||||
png_byte buf[4];
|
||||
png_debug2(0, "Writing %s chunk (%lu bytes)\n", chunk_name, length);
|
||||
if(png_ptr == NULL) return;
|
||||
|
||||
/* write the length */
|
||||
png_save_uint_32(buf, length);
|
||||
@@ -98,6 +100,7 @@ void PNGAPI
|
||||
png_write_chunk_data(png_structp png_ptr, png_bytep data, png_size_t length)
|
||||
{
|
||||
/* write the data, and run the CRC over it */
|
||||
if(png_ptr == NULL) return;
|
||||
if (data != NULL && length > 0)
|
||||
{
|
||||
png_calculate_crc(png_ptr, data, length);
|
||||
@@ -111,6 +114,8 @@ png_write_chunk_end(png_structp png_ptr)
|
||||
{
|
||||
png_byte buf[4];
|
||||
|
||||
if(png_ptr == NULL) return;
|
||||
|
||||
/* write the crc */
|
||||
png_save_uint_32(buf, png_ptr->crc);
|
||||
|
||||
@@ -757,6 +762,7 @@ png_write_iCCP(png_structp png_ptr, png_charp name, int compression_type,
|
||||
png_size_t name_len;
|
||||
png_charp new_name;
|
||||
compression_state comp;
|
||||
int embedded_profile_len = 0;
|
||||
|
||||
png_debug(1, "in png_write_iCCP\n");
|
||||
|
||||
@@ -779,6 +785,27 @@ png_write_iCCP(png_structp png_ptr, png_charp name, int compression_type,
|
||||
if (profile == NULL)
|
||||
profile_len = 0;
|
||||
|
||||
if (profile_len > 3)
|
||||
embedded_profile_len =
|
||||
((*( (png_bytep)profile ))<<24) |
|
||||
((*( (png_bytep)profile+1))<<16) |
|
||||
((*( (png_bytep)profile+2))<< 8) |
|
||||
((*( (png_bytep)profile+3)) );
|
||||
|
||||
if (profile_len < embedded_profile_len)
|
||||
{
|
||||
png_warning(png_ptr,
|
||||
"Embedded profile length too large in iCCP chunk");
|
||||
return;
|
||||
}
|
||||
|
||||
if (profile_len > embedded_profile_len)
|
||||
{
|
||||
png_warning(png_ptr,
|
||||
"Truncating profile to actual length in iCCP chunk");
|
||||
profile_len = embedded_profile_len;
|
||||
}
|
||||
|
||||
if (profile_len)
|
||||
profile_len = png_text_compress(png_ptr, profile, (png_size_t)profile_len,
|
||||
PNG_COMPRESSION_TYPE_BASE, &comp);
|
||||
|
||||
Reference in New Issue
Block a user