diff options
author | John Bowler <jbowler@acm.org> | 2011-11-23 15:34:43 -0600 |
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committer | Glenn Randers-Pehrson <glennrp at users.sourceforge.net> | 2011-11-23 15:41:29 -0600 |
commit | 4491fa237ff21aa0bbccef52b4df25e05657fabd (patch) | |
tree | ae60ea9ab4b4a50fc19ed07ac71b5176ae96f5b4 /pngpriv.h | |
parent | 12fb29f951709daa53423eaef69d558d6890a3f0 (diff) | |
download | libpng-4491fa237ff21aa0bbccef52b4df25e05657fabd.tar.gz |
[libpng15] Remove simplified interface
Diffstat (limited to 'pngpriv.h')
-rw-r--r-- | pngpriv.h | 91 |
1 files changed, 0 insertions, 91 deletions
@@ -258,26 +258,6 @@ typedef PNG_CONST png_uint_16p FAR * png_const_uint_16pp; # define PNG_EXTERN extern #endif -#ifndef PNG_CONST_DATA -/* Some compilers fail if given an "extern const" data declaration followed by a - * "const" definition, therefore declaring const data in pngpriv.h is - * impossible, the following allows a work-round for the problematic compilers - * by defining -DPNG_NO_CONST_DATA on the command line (notice that this does - * not affect static const definitions, where there is no declaration.) - */ -# ifndef PNG_NO_CONST_DATA - /* List of compilers where "extern const" is known to be OK: */ -# if defined __GNUC__ || defined _MSC_VER || defined __WATCOMC__ -# define PNG_CONST_DATA const -# endif -# endif - - /* Default to disabling const data declarations: */ -# ifndef PNG_CONST_DATA -# define PNG_CONST_DATA /*const*/ -# endif -#endif - /* Some fixed point APIs are still required even if not exported because * they get used by the corresponding floating point APIs. This magic * deals with this: @@ -548,26 +528,6 @@ typedef PNG_CONST png_uint_16p FAR * png_const_uint_16pp; abs((int)((c1).green) - (int)((c2).green)) + \ abs((int)((c1).blue) - (int)((c2).blue))) -/* Added to libpng-1.5.7: sRGB conversion tables */ -#if defined PNG_SIMPLIFIED_READ_SUPPORTED ||\ - defined PNG_SIMPLIFIED_WRITE_SUPPORTED -#ifdef PNG_SIMPLIFIED_READ_SUPPORTED -extern /*PRIVATE*/ PNG_CONST_DATA png_uint_16 png_sRGB_table[256]; - /* Convert from an sRGB encoded value 0..255 to a 16-bit linear value, - * 0..65535. This table gives the closes 16-bit answers (no errors). - */ -#endif - -extern /*PRIVATE*/ PNG_CONST_DATA png_uint_16 png_sRGB_base[512]; -extern /*PRIVATE*/ PNG_CONST_DATA png_byte png_sRGB_delta[512]; - -#define PNG_sRGB_FROM_LINEAR(linear) ((png_sRGB_base[(linear)>>15] +\ - ((((linear)&0x7fff)*png_sRGB_delta[(linear)>>15])>>12)) >> 8) - /* Given a value 'linear' in the range 0..255*65535 calculate the 8-bit sRGB - * encoded value with maximum error 0.646365. Note that the input is not a - * 16-bit value; it has been multiplied by 255! */ -#endif /* PNG_SIMPLIFIED_READ/WRITE */ - /* Added to libpng-1.2.6 JB */ #define PNG_ROWBYTES(pixel_bits, width) \ ((pixel_bits) >= 8 ? \ @@ -1658,59 +1618,8 @@ PNG_EXTERN void png_build_gamma_table PNGARG((png_structp png_ptr, int bit_depth)); #endif -/* SIMPLIFIED READ/WRITE SUPPORT */ -#if defined PNG_SIMPLIFIED_READ_SUPPORTED ||\ - defined PNG_SIMPLIFIED_WRITE_SUPPORTED -/* The internal structure that png_image::opaque points to. */ -typedef struct png_control -{ - png_structp png_ptr; - png_infop info_ptr; - png_voidp error_buf; /* Always a jmp_buf at present. */ - - png_const_bytep memory; /* Memory buffer. */ - png_size_t size; /* Size of the memory buffer. */ - - unsigned int for_write :1; /* Otherwise it is a read structure */ - unsigned int owned_file :1; /* We own the file in io_ptr */ -} png_control; - -/* Return the pointer to the jmp_buf from a png_control: necessary because C - * does not reveal the type of the elements of jmp_buf. - */ -#ifdef __cplusplus -# define png_control_jmp_buf(pc) (((jmp_buf*)((pc)->error_buf))[0]) -#else -# define png_control_jmp_buf(pc) ((pc)->error_buf) -#endif - -/* Utility to safely execute a piece of libpng code catching and logging any - * errors that might occur. Returns true on success, false on failure (either - * of the function or as a result of a png_error.) - */ -PNG_FUNCTION(void, png_safe_error, (png_structp png_ptr, - png_const_charp error_message), PNG_NORETURN); - -#ifdef PNG_WARNINGS_SUPPORTED - PNG_EXTERN void png_safe_warning(png_structp png_ptr, - png_const_charp warning_message); -#else -# define png_safe_warning 0/*dummy argument*/ -#endif - -PNG_EXTERN int png_safe_execute PNGARG((png_imagep image, - int (*function)(png_voidp), png_voidp arg)); - -/* Utility to log an error, this also cleans up the png_image, the function - * always returns 0 (false). - */ -PNG_EXTERN int png_image_error(png_imagep image, png_const_charp error_message); - -#endif /* SIMPLIFIED READ/WRITE */ - /* Maintainer: Put new private prototypes here ^ and in libpngpf.3 */ - #include "pngdebug.h" #ifdef __cplusplus |