The Tor Browser / annotate

gfx/qcms/qcms.h@97036ab72558 (annotated)

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.

michael@0 1 #ifndef QCMS_H
michael@0 2 #define QCMS_H
michael@0 3
michael@0 4 #ifdef __cplusplus
michael@0 5 extern "C" {
michael@0 6 #endif
michael@0 7
michael@0 8 /* if we've already got an ICC_H header we can ignore the following */
michael@0 9 #ifndef ICC_H
michael@0 10 /* icc34 defines */
michael@0 11
michael@0 12 /*****************************************************************
michael@0 13 Copyright (c) 1994-1996 SunSoft, Inc.
michael@0 14
michael@0 15 Rights Reserved
michael@0 16
michael@0 17 Permission is hereby granted, free of charge, to any person
michael@0 18 obtaining a copy of this software and associated documentation
michael@0 19 files (the "Software"), to deal in the Software without restrict-
michael@0 20 ion, including without limitation the rights to use, copy, modify,
michael@0 21 merge, publish distribute, sublicense, and/or sell copies of the
michael@0 22 Software, and to permit persons to whom the Software is furnished
michael@0 23 to do so, subject to the following conditions:
michael@0 24
michael@0 25 The above copyright notice and this permission notice shall be
michael@0 26 included in all copies or substantial portions of the Software.
michael@0 27
michael@0 28 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
michael@0 29 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
michael@0 30 OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-
michael@0 31 INFRINGEMENT. IN NO EVENT SHALL SUNSOFT, INC. OR ITS PARENT
michael@0 32 COMPANY BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
michael@0 33 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
michael@0 34 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
michael@0 35 OTHER DEALINGS IN THE SOFTWARE.
michael@0 36
michael@0 37 Except as contained in this notice, the name of SunSoft, Inc.
michael@0 38 shall not be used in advertising or otherwise to promote the
michael@0 39 sale, use or other dealings in this Software without written
michael@0 40 authorization from SunSoft Inc.
michael@0 41 ******************************************************************/
michael@0 42
michael@0 43 /*
michael@0 44 * QCMS, in general, is not threadsafe. However, it should be safe to create
michael@0 45 * profile and transformation objects on different threads, so long as you
michael@0 46 * don't use the same objects on different threads at the same time.
michael@0 47 */
michael@0 48
michael@0 49 /*
michael@0 50 * Color Space Signatures
michael@0 51 * Note that only icSigXYZData and icSigLabData are valid
michael@0 52 * Profile Connection Spaces (PCSs)
michael@0 53 */
michael@0 54 typedef enum {
michael@0 55 icSigXYZData = 0x58595A20L, /* 'XYZ ' */
michael@0 56 icSigLabData = 0x4C616220L, /* 'Lab ' */
michael@0 57 icSigLuvData = 0x4C757620L, /* 'Luv ' */
michael@0 58 icSigYCbCrData = 0x59436272L, /* 'YCbr' */
michael@0 59 icSigYxyData = 0x59787920L, /* 'Yxy ' */
michael@0 60 icSigRgbData = 0x52474220L, /* 'RGB ' */
michael@0 61 icSigGrayData = 0x47524159L, /* 'GRAY' */
michael@0 62 icSigHsvData = 0x48535620L, /* 'HSV ' */
michael@0 63 icSigHlsData = 0x484C5320L, /* 'HLS ' */
michael@0 64 icSigCmykData = 0x434D594BL, /* 'CMYK' */
michael@0 65 icSigCmyData = 0x434D5920L, /* 'CMY ' */
michael@0 66 icSig2colorData = 0x32434C52L, /* '2CLR' */
michael@0 67 icSig3colorData = 0x33434C52L, /* '3CLR' */
michael@0 68 icSig4colorData = 0x34434C52L, /* '4CLR' */
michael@0 69 icSig5colorData = 0x35434C52L, /* '5CLR' */
michael@0 70 icSig6colorData = 0x36434C52L, /* '6CLR' */
michael@0 71 icSig7colorData = 0x37434C52L, /* '7CLR' */
michael@0 72 icSig8colorData = 0x38434C52L, /* '8CLR' */
michael@0 73 icSig9colorData = 0x39434C52L, /* '9CLR' */
michael@0 74 icSig10colorData = 0x41434C52L, /* 'ACLR' */
michael@0 75 icSig11colorData = 0x42434C52L, /* 'BCLR' */
michael@0 76 icSig12colorData = 0x43434C52L, /* 'CCLR' */
michael@0 77 icSig13colorData = 0x44434C52L, /* 'DCLR' */
michael@0 78 icSig14colorData = 0x45434C52L, /* 'ECLR' */
michael@0 79 icSig15colorData = 0x46434C52L, /* 'FCLR' */
michael@0 80 icMaxEnumData = 0xFFFFFFFFL
michael@0 81 } icColorSpaceSignature;
michael@0 82 #endif
michael@0 83
michael@0 84 #include <stdio.h>
michael@0 85
michael@0 86 typedef int qcms_bool;
michael@0 87
michael@0 88 struct _qcms_transform;
michael@0 89 typedef struct _qcms_transform qcms_transform;
michael@0 90
michael@0 91 struct _qcms_profile;
michael@0 92 typedef struct _qcms_profile qcms_profile;
michael@0 93
michael@0 94 /* these values match the Rendering Intent values from the ICC spec */
michael@0 95 typedef enum {
michael@0 96 QCMS_INTENT_MIN = 0,
michael@0 97 QCMS_INTENT_PERCEPTUAL = 0,
michael@0 98 QCMS_INTENT_RELATIVE_COLORIMETRIC = 1,
michael@0 99 QCMS_INTENT_SATURATION = 2,
michael@0 100 QCMS_INTENT_ABSOLUTE_COLORIMETRIC = 3,
michael@0 101 QCMS_INTENT_MAX = 3,
michael@0 102
michael@0 103 /* Chris Murphy (CM consultant) suggests this as a default in the event that we
michael@0 104 * cannot reproduce relative + Black Point Compensation. BPC brings an
michael@0 105 * unacceptable performance overhead, so we go with perceptual. */
michael@0 106 QCMS_INTENT_DEFAULT = QCMS_INTENT_PERCEPTUAL,
michael@0 107 } qcms_intent;
michael@0 108
michael@0 109 //XXX: I don't really like the _DATA_ prefix
michael@0 110 typedef enum {
michael@0 111 QCMS_DATA_RGB_8,
michael@0 112 QCMS_DATA_RGBA_8,
michael@0 113 QCMS_DATA_GRAY_8,
michael@0 114 QCMS_DATA_GRAYA_8
michael@0 115 } qcms_data_type;
michael@0 116
michael@0 117 /* the names for the following two types are sort of ugly */
michael@0 118 typedef struct
michael@0 119 {
michael@0 120 double x;
michael@0 121 double y;
michael@0 122 double Y;
michael@0 123 } qcms_CIE_xyY;
michael@0 124
michael@0 125 typedef struct
michael@0 126 {
michael@0 127 qcms_CIE_xyY red;
michael@0 128 qcms_CIE_xyY green;
michael@0 129 qcms_CIE_xyY blue;
michael@0 130 } qcms_CIE_xyYTRIPLE;
michael@0 131
michael@0 132 qcms_profile* qcms_profile_create_rgb_with_gamma(
michael@0 133 qcms_CIE_xyY white_point,
michael@0 134 qcms_CIE_xyYTRIPLE primaries,
michael@0 135 float gamma);
michael@0 136
michael@0 137 void qcms_data_create_rgb_with_gamma(
michael@0 138 qcms_CIE_xyY white_point,
michael@0 139 qcms_CIE_xyYTRIPLE primaries,
michael@0 140 float gamma,
michael@0 141 void **mem,
michael@0 142 size_t *size);
michael@0 143
michael@0 144 qcms_profile* qcms_profile_from_memory(const void *mem, size_t size);
michael@0 145
michael@0 146 qcms_profile* qcms_profile_from_file(FILE *file);
michael@0 147 qcms_profile* qcms_profile_from_path(const char *path);
michael@0 148
michael@0 149 void qcms_data_from_path(const char *path, void **mem, size_t *size);
michael@0 150
michael@0 151 #ifdef _WIN32
michael@0 152 qcms_profile* qcms_profile_from_unicode_path(const wchar_t *path);
michael@0 153 void qcms_data_from_unicode_path(const wchar_t *path, void **mem, size_t *size);
michael@0 154 #endif
michael@0 155 qcms_profile* qcms_profile_sRGB(void);
michael@0 156 void qcms_profile_release(qcms_profile *profile);
michael@0 157
michael@0 158 qcms_bool qcms_profile_is_bogus(qcms_profile *profile);
michael@0 159 qcms_intent qcms_profile_get_rendering_intent(qcms_profile *profile);
michael@0 160 icColorSpaceSignature qcms_profile_get_color_space(qcms_profile *profile);
michael@0 161
michael@0 162 void qcms_profile_precache_output_transform(qcms_profile *profile);
michael@0 163
michael@0 164 qcms_transform* qcms_transform_create(
michael@0 165 qcms_profile *in, qcms_data_type in_type,
michael@0 166 qcms_profile* out, qcms_data_type out_type,
michael@0 167 qcms_intent intent);
michael@0 168
michael@0 169 void qcms_transform_release(qcms_transform *);
michael@0 170
michael@0 171 void qcms_transform_data(qcms_transform *transform, void *src, void *dest, size_t length);
michael@0 172
michael@0 173 void qcms_enable_iccv4();
michael@0 174
michael@0 175 #ifdef __cplusplus
michael@0 176 }
michael@0 177 #endif
michael@0 178
michael@0 179 #endif

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