diff options
Diffstat (limited to 'thirdparty/libpng/pngread.c')
| -rw-r--r-- | thirdparty/libpng/pngread.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/thirdparty/libpng/pngread.c b/thirdparty/libpng/pngread.c index bff7503ee3..f8e762196e 100644 --- a/thirdparty/libpng/pngread.c +++ b/thirdparty/libpng/pngread.c @@ -1,10 +1,10 @@ /* pngread.c - read a PNG file * - * Last changed in libpng 1.6.35 [July 15, 2018] + * Copyright (c) 2018 Cosmin Truta * Copyright (c) 1998-2002,2004,2006-2018 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.) + * Copyright (c) 1996-1997 Andreas Dilger + * Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc. * * This code is released under the libpng license. * For conditions of distribution and use, see the disclaimer @@ -1621,7 +1621,7 @@ png_image_skip_unused_chunks(png_structrp png_ptr) * errors (which are unfortunately quite common.) */ { - static PNG_CONST png_byte chunks_to_process[] = { + static const png_byte chunks_to_process[] = { 98, 75, 71, 68, '\0', /* bKGD */ 99, 72, 82, 77, '\0', /* cHRM */ 103, 65, 77, 65, '\0', /* gAMA */ @@ -1758,9 +1758,9 @@ png_create_colormap_entry(png_image_read_control *display, png_uint_32 alpha, int encoding) { png_imagep image = display->image; - const int output_encoding = (image->format & PNG_FORMAT_FLAG_LINEAR) != 0 ? + int output_encoding = (image->format & PNG_FORMAT_FLAG_LINEAR) != 0 ? P_LINEAR : P_sRGB; - const int convert_to_Y = (image->format & PNG_FORMAT_FLAG_COLOR) == 0 && + int convert_to_Y = (image->format & PNG_FORMAT_FLAG_COLOR) == 0 && (red != green || green != blue); if (ip > 255) @@ -1869,13 +1869,13 @@ png_create_colormap_entry(png_image_read_control *display, /* Store the value. */ { # ifdef PNG_FORMAT_AFIRST_SUPPORTED - const int afirst = (image->format & PNG_FORMAT_FLAG_AFIRST) != 0 && + int afirst = (image->format & PNG_FORMAT_FLAG_AFIRST) != 0 && (image->format & PNG_FORMAT_FLAG_ALPHA) != 0; # else # define afirst 0 # endif # ifdef PNG_FORMAT_BGR_SUPPORTED - const int bgr = (image->format & PNG_FORMAT_FLAG_BGR) != 0 ? 2 : 0; + int bgr = (image->format & PNG_FORMAT_FLAG_BGR) != 0 ? 2 : 0; # else # define bgr 0 # endif @@ -2085,11 +2085,11 @@ png_image_read_colormap(png_voidp argument) { png_image_read_control *display = png_voidcast(png_image_read_control*, argument); - const png_imagep image = display->image; + png_imagep image = display->image; - const png_structrp png_ptr = image->opaque->png_ptr; - const png_uint_32 output_format = image->format; - const int output_encoding = (output_format & PNG_FORMAT_FLAG_LINEAR) != 0 ? + png_structrp png_ptr = image->opaque->png_ptr; + png_uint_32 output_format = image->format; + int output_encoding = (output_format & PNG_FORMAT_FLAG_LINEAR) != 0 ? P_LINEAR : P_sRGB; unsigned int cmap_entries; @@ -2802,7 +2802,7 @@ png_image_read_colormap(png_voidp argument) unsigned int num_trans = png_ptr->num_trans; png_const_bytep trans = num_trans > 0 ? png_ptr->trans_alpha : NULL; png_const_colorp colormap = png_ptr->palette; - const int do_background = trans != NULL && + int do_background = trans != NULL && (output_format & PNG_FORMAT_FLAG_ALPHA) == 0; unsigned int i; @@ -3946,7 +3946,7 @@ png_image_read_direct(png_voidp argument) */ if (linear != 0) { - PNG_CONST png_uint_16 le = 0x0001; + png_uint_16 le = 0x0001; if ((*(png_const_bytep) & le) != 0) png_set_swap(png_ptr); @@ -4108,7 +4108,7 @@ png_image_finish_read(png_imagep image, png_const_colorp background, * original PNG format because it may not occur in the output PNG format * and libpng deals with the issues of reading the original. */ - const unsigned int channels = PNG_IMAGE_PIXEL_CHANNELS(image->format); + unsigned int channels = PNG_IMAGE_PIXEL_CHANNELS(image->format); /* The following checks just the 'row_stride' calculation to ensure it * fits in a signed 32-bit value. Because channels/components can be @@ -4119,7 +4119,7 @@ png_image_finish_read(png_imagep image, png_const_colorp background, if (image->width <= 0x7fffffffU/channels) /* no overflow */ { png_uint_32 check; - const png_uint_32 png_row_stride = image->width * channels; + png_uint_32 png_row_stride = image->width * channels; if (row_stride == 0) row_stride = (png_int_32)/*SAFE*/png_row_stride; |