gfx/qcms/qcms.h

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

     1 #ifndef QCMS_H
     2 #define QCMS_H
     4 #ifdef  __cplusplus
     5 extern "C" {
     6 #endif
     8 /* if we've already got an ICC_H header we can ignore the following */
     9 #ifndef ICC_H
    10 /* icc34 defines */
    12 /***************************************************************** 
    13  Copyright (c) 1994-1996 SunSoft, Inc.
    15                     Rights Reserved
    17 Permission is hereby granted, free of charge, to any person 
    18 obtaining a copy of this software and associated documentation
    19 files (the "Software"), to deal in the Software without restrict- 
    20 ion, including without limitation the rights to use, copy, modify, 
    21 merge, publish distribute, sublicense, and/or sell copies of the 
    22 Software, and to permit persons to whom the Software is furnished 
    23 to do so, subject to the following conditions: 
    25 The above copyright notice and this permission notice shall be 
    26 included in all copies or substantial portions of the Software. 
    28 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
    29 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 
    30 OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-
    31 INFRINGEMENT.  IN NO EVENT SHALL SUNSOFT, INC. OR ITS PARENT 
    32 COMPANY BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 
    33 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
    34 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 
    35 OTHER DEALINGS IN THE SOFTWARE. 
    37 Except as contained in this notice, the name of SunSoft, Inc. 
    38 shall not be used in advertising or otherwise to promote the 
    39 sale, use or other dealings in this Software without written 
    40 authorization from SunSoft Inc. 
    41 ******************************************************************/
    43 /*
    44  * QCMS, in general, is not threadsafe. However, it should be safe to create
    45  * profile and transformation objects on different threads, so long as you
    46  * don't use the same objects on different threads at the same time.
    47  */
    49 /* 
    50  * Color Space Signatures
    51  * Note that only icSigXYZData and icSigLabData are valid
    52  * Profile Connection Spaces (PCSs)
    53  */ 
    54 typedef enum {
    55     icSigXYZData                        = 0x58595A20L,  /* 'XYZ ' */
    56     icSigLabData                        = 0x4C616220L,  /* 'Lab ' */
    57     icSigLuvData                        = 0x4C757620L,  /* 'Luv ' */
    58     icSigYCbCrData                      = 0x59436272L,  /* 'YCbr' */
    59     icSigYxyData                        = 0x59787920L,  /* 'Yxy ' */
    60     icSigRgbData                        = 0x52474220L,  /* 'RGB ' */
    61     icSigGrayData                       = 0x47524159L,  /* 'GRAY' */
    62     icSigHsvData                        = 0x48535620L,  /* 'HSV ' */
    63     icSigHlsData                        = 0x484C5320L,  /* 'HLS ' */
    64     icSigCmykData                       = 0x434D594BL,  /* 'CMYK' */
    65     icSigCmyData                        = 0x434D5920L,  /* 'CMY ' */
    66     icSig2colorData                     = 0x32434C52L,  /* '2CLR' */
    67     icSig3colorData                     = 0x33434C52L,  /* '3CLR' */
    68     icSig4colorData                     = 0x34434C52L,  /* '4CLR' */
    69     icSig5colorData                     = 0x35434C52L,  /* '5CLR' */
    70     icSig6colorData                     = 0x36434C52L,  /* '6CLR' */
    71     icSig7colorData                     = 0x37434C52L,  /* '7CLR' */
    72     icSig8colorData                     = 0x38434C52L,  /* '8CLR' */
    73     icSig9colorData                     = 0x39434C52L,  /* '9CLR' */
    74     icSig10colorData                    = 0x41434C52L,  /* 'ACLR' */
    75     icSig11colorData                    = 0x42434C52L,  /* 'BCLR' */
    76     icSig12colorData                    = 0x43434C52L,  /* 'CCLR' */
    77     icSig13colorData                    = 0x44434C52L,  /* 'DCLR' */
    78     icSig14colorData                    = 0x45434C52L,  /* 'ECLR' */
    79     icSig15colorData                    = 0x46434C52L,  /* 'FCLR' */
    80     icMaxEnumData                       = 0xFFFFFFFFL   
    81 } icColorSpaceSignature;
    82 #endif
    84 #include <stdio.h>
    86 typedef int qcms_bool;
    88 struct _qcms_transform;
    89 typedef struct _qcms_transform qcms_transform;
    91 struct _qcms_profile;
    92 typedef struct _qcms_profile qcms_profile;
    94 /* these values match the Rendering Intent values from the ICC spec */
    95 typedef enum {
    96 	QCMS_INTENT_MIN = 0,
    97 	QCMS_INTENT_PERCEPTUAL = 0,
    98 	QCMS_INTENT_RELATIVE_COLORIMETRIC = 1,
    99 	QCMS_INTENT_SATURATION = 2,
   100 	QCMS_INTENT_ABSOLUTE_COLORIMETRIC = 3,
   101 	QCMS_INTENT_MAX = 3,
   103 	/* Chris Murphy (CM consultant) suggests this as a default in the event that we
   104 	 * cannot reproduce relative + Black Point Compensation.  BPC brings an
   105 	 * unacceptable performance overhead, so we go with perceptual. */
   106 	QCMS_INTENT_DEFAULT = QCMS_INTENT_PERCEPTUAL,
   107 } qcms_intent;
   109 //XXX: I don't really like the _DATA_ prefix
   110 typedef enum {
   111 	QCMS_DATA_RGB_8,
   112 	QCMS_DATA_RGBA_8,
   113 	QCMS_DATA_GRAY_8,
   114 	QCMS_DATA_GRAYA_8
   115 } qcms_data_type;
   117 /* the names for the following two types are sort of ugly */
   118 typedef struct
   119 {
   120 	double x;
   121 	double y;
   122 	double Y;
   123 } qcms_CIE_xyY;
   125 typedef struct
   126 {
   127 	qcms_CIE_xyY red;
   128 	qcms_CIE_xyY green;
   129 	qcms_CIE_xyY blue;
   130 } qcms_CIE_xyYTRIPLE;
   132 qcms_profile* qcms_profile_create_rgb_with_gamma(
   133                 qcms_CIE_xyY white_point,
   134                 qcms_CIE_xyYTRIPLE primaries,
   135                 float gamma);
   137 void qcms_data_create_rgb_with_gamma(
   138                 qcms_CIE_xyY white_point,
   139                 qcms_CIE_xyYTRIPLE primaries,
   140                 float gamma,
   141                 void **mem,
   142                 size_t *size);
   144 qcms_profile* qcms_profile_from_memory(const void *mem, size_t size);
   146 qcms_profile* qcms_profile_from_file(FILE *file);
   147 qcms_profile* qcms_profile_from_path(const char *path);
   149 void qcms_data_from_path(const char *path, void **mem, size_t *size);
   151 #ifdef _WIN32
   152 qcms_profile* qcms_profile_from_unicode_path(const wchar_t *path);
   153 void qcms_data_from_unicode_path(const wchar_t *path, void **mem, size_t *size);
   154 #endif
   155 qcms_profile* qcms_profile_sRGB(void);
   156 void qcms_profile_release(qcms_profile *profile);
   158 qcms_bool qcms_profile_is_bogus(qcms_profile *profile);
   159 qcms_intent qcms_profile_get_rendering_intent(qcms_profile *profile);
   160 icColorSpaceSignature qcms_profile_get_color_space(qcms_profile *profile);
   162 void qcms_profile_precache_output_transform(qcms_profile *profile);
   164 qcms_transform* qcms_transform_create(
   165 		qcms_profile *in, qcms_data_type in_type,
   166 		qcms_profile* out, qcms_data_type out_type,
   167 		qcms_intent intent);
   169 void qcms_transform_release(qcms_transform *);
   171 void qcms_transform_data(qcms_transform *transform, void *src, void *dest, size_t length);
   173 void qcms_enable_iccv4();
   175 #ifdef  __cplusplus
   176 }
   177 #endif
   179 #endif

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