diff options
Diffstat (limited to 'pngrtran.c')
| -rw-r--r-- | pngrtran.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/pngrtran.c b/pngrtran.c index 556185286..96732b55c 100644 --- a/pngrtran.c +++ b/pngrtran.c @@ -1,7 +1,7 @@ /* pngrtran.c - transforms the data in a row for PNG readers * - * Last changed in libpng 1.5.10 [March 8, 2012] + * Last changed in libpng 1.5.11 [June 14, 2012] * Copyright (c) 1998-2012 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.) @@ -1770,8 +1770,8 @@ png_init_read_transformations(png_structp png_ptr) int num_palette = png_ptr->num_palette; int i; - /*NOTE: there are other transformations that should probably be in here - * too. + /* NOTE: there are other transformations that should probably be in + * here too. */ for (i = 0; i < num_palette; i++) { @@ -2277,7 +2277,7 @@ png_do_read_transformations(png_structp png_ptr, png_row_infop row_info) #endif #ifdef PNG_READ_GRAY_TO_RGB_SUPPORTED - /*NOTE: moved here in 1.5.4 (from much later in this list.) */ + /* NOTE: moved here in 1.5.4 (from much later in this list.) */ if ((png_ptr->transformations & PNG_GRAY_TO_RGB) && (png_ptr->mode & PNG_BACKGROUND_IS_GRAY)) png_do_gray_to_rgb(row_info, png_ptr->row_buf + 1); @@ -2301,7 +2301,8 @@ png_do_read_transformations(png_structp png_ptr, png_row_infop row_info) #ifdef PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED /* Added at libpng-1.5.10 */ - if (row_info->color_type == PNG_COLOR_TYPE_PALETTE) + if (row_info->color_type == PNG_COLOR_TYPE_PALETTE && + png_ptr->num_palette_max >= 0) png_do_check_palette_indexes(png_ptr, row_info); #endif @@ -3302,7 +3303,7 @@ png_do_rgb_to_gray(png_structp png_ptr, png_row_infop row_info, png_bytep row) if (red != green || red != blue) { rgb_error |= 1; - /*NOTE: this is the historical approach which simply + /* NOTE: this is the historical approach which simply * truncates the results. */ *(dp++) = (png_byte)((rc*red + gc*green + bc*blue)>>15); |