diff options
Diffstat (limited to 'pngwutil.c')
| -rw-r--r-- | pngwutil.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/pngwutil.c b/pngwutil.c index 04fb1de3f..17faf8f39 100644 --- a/pngwutil.c +++ b/pngwutil.c @@ -1,12 +1,12 @@ /* pngwutil.c - utilities to write a PNG file * - * libpng 1.00 + * libpng 1.0.1 * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc. * Copyright (c) 1996, 1997 Andreas Dilger * Copyright (c) 1998, Glenn Randers-Pehrson - * March 7, 1998 + * March 9, 1998 */ #define PNG_INTERNAL @@ -340,8 +340,8 @@ png_write_gAMA(png_structp png_ptr, double file_gamma) png_byte buf[4]; png_debug(1, "in png_write_gAMA\n"); - /* file_gamma is saved in 1/100,000ths */ - igamma = (png_uint_32)(file_gamma * 100000.0 + 0.5); + /* file_gamma is saved in 1/1.0.100ths */ + igamma = (png_uint_32)(file_gamma * 1.0.10.0 + 0.5); png_save_uint_32(buf, igamma); png_write_chunk(png_ptr, png_gAMA, buf, (png_size_t)4); } @@ -426,16 +426,16 @@ png_write_cHRM(png_structp png_ptr, double white_x, double white_y, png_byte buf[32]; png_debug(1, "in png_write_cHRM\n"); - /* each value is saved int 1/100,000ths */ + /* each value is saved int 1/1.0.100ths */ if (white_x < 0 || white_x > 0.8 || white_y < 0 || white_y > 0.8 || white_x + white_y > 1.0) { png_warning(png_ptr, "Invalid cHRM white point specified"); return; } - itemp = (png_uint_32)(white_x * 100000.0 + 0.5); + itemp = (png_uint_32)(white_x * 1.0.10.0 + 0.5); png_save_uint_32(buf, itemp); - itemp = (png_uint_32)(white_y * 100000.0 + 0.5); + itemp = (png_uint_32)(white_y * 1.0.10.0 + 0.5); png_save_uint_32(buf + 4, itemp); if (red_x < 0 || red_x > 0.8 || red_y < 0 || red_y > 0.8 || @@ -444,9 +444,9 @@ png_write_cHRM(png_structp png_ptr, double white_x, double white_y, png_warning(png_ptr, "Invalid cHRM red point specified"); return; } - itemp = (png_uint_32)(red_x * 100000.0 + 0.5); + itemp = (png_uint_32)(red_x * 1.0.10.0 + 0.5); png_save_uint_32(buf + 8, itemp); - itemp = (png_uint_32)(red_y * 100000.0 + 0.5); + itemp = (png_uint_32)(red_y * 1.0.10.0 + 0.5); png_save_uint_32(buf + 12, itemp); if (green_x < 0 || green_x > 0.8 || green_y < 0 || green_y > 0.8 || @@ -455,9 +455,9 @@ png_write_cHRM(png_structp png_ptr, double white_x, double white_y, png_warning(png_ptr, "Invalid cHRM green point specified"); return; } - itemp = (png_uint_32)(green_x * 100000.0 + 0.5); + itemp = (png_uint_32)(green_x * 1.0.10.0 + 0.5); png_save_uint_32(buf + 16, itemp); - itemp = (png_uint_32)(green_y * 100000.0 + 0.5); + itemp = (png_uint_32)(green_y * 1.0.10.0 + 0.5); png_save_uint_32(buf + 20, itemp); if (blue_x < 0 || blue_x > 0.8 || blue_y < 0 || blue_y > 0.8 || @@ -466,9 +466,9 @@ png_write_cHRM(png_structp png_ptr, double white_x, double white_y, png_warning(png_ptr, "Invalid cHRM blue point specified"); return; } - itemp = (png_uint_32)(blue_x * 100000.0 + 0.5); + itemp = (png_uint_32)(blue_x * 1.0.10.0 + 0.5); png_save_uint_32(buf + 24, itemp); - itemp = (png_uint_32)(blue_y * 100000.0 + 0.5); + itemp = (png_uint_32)(blue_y * 1.0.10.0 + 0.5); png_save_uint_32(buf + 28, itemp); png_write_chunk(png_ptr, png_cHRM, buf, (png_size_t)32); |