Adds qcms to third_party for use in handling ICC color profiles.

third_party/qcms/src/qcms.h

+#ifndef QCMS_H
+#define QCMS_H
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+/* if we've already got an ICC_H header we can ignore the following */
+#ifndef ICC_H
+/* icc34 defines */
+
+/***************************************************************** 
+ Copyright (c) 1994-1996 SunSoft, Inc.
+
+                    Rights Reserved
+
+Permission is hereby granted, free of charge, to any person 
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without restrict- 
+ion, including without limitation the rights to use, copy, modify, 
+merge, publish distribute, sublicense, and/or sell copies of the 
+Software, and to permit persons to whom the Software is furnished 
+to do so, subject to the following conditions: 
+ 
+The above copyright notice and this permission notice shall be 
+included in all copies or substantial portions of the Software. 
+ 
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-
+INFRINGEMENT.  IN NO EVENT SHALL SUNSOFT, INC. OR ITS PARENT 
+COMPANY BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 
+OTHER DEALINGS IN THE SOFTWARE. 
+ 
+Except as contained in this notice, the name of SunSoft, Inc. 
+shall not be used in advertising or otherwise to promote the 
+sale, use or other dealings in this Software without written 
+authorization from SunSoft Inc. 
+******************************************************************/
+
+/* 
+ * Color Space Signatures
+ * Note that only icSigXYZData and icSigLabData are valid
+ * Profile Connection Spaces (PCSs)
+ */ 
+typedef enum {
+    icSigXYZData                        = 0x58595A20L,  /* 'XYZ ' */
+    icSigLabData                        = 0x4C616220L,  /* 'Lab ' */
+    icSigLuvData                        = 0x4C757620L,  /* 'Luv ' */
+    icSigYCbCrData                      = 0x59436272L,  /* 'YCbr' */
+    icSigYxyData                        = 0x59787920L,  /* 'Yxy ' */
+    icSigRgbData                        = 0x52474220L,  /* 'RGB ' */
+    icSigGrayData                       = 0x47524159L,  /* 'GRAY' */
+    icSigHsvData                        = 0x48535620L,  /* 'HSV ' */
+    icSigHlsData                        = 0x484C5320L,  /* 'HLS ' */
+    icSigCmykData                       = 0x434D594BL,  /* 'CMYK' */
+    icSigCmyData                        = 0x434D5920L,  /* 'CMY ' */
+    icSig2colorData                     = 0x32434C52L,  /* '2CLR' */
+    icSig3colorData                     = 0x33434C52L,  /* '3CLR' */
+    icSig4colorData                     = 0x34434C52L,  /* '4CLR' */
+    icSig5colorData                     = 0x35434C52L,  /* '5CLR' */
+    icSig6colorData                     = 0x36434C52L,  /* '6CLR' */
+    icSig7colorData                     = 0x37434C52L,  /* '7CLR' */
+    icSig8colorData                     = 0x38434C52L,  /* '8CLR' */
+    icSig9colorData                     = 0x39434C52L,  /* '9CLR' */
+    icSig10colorData                    = 0x41434C52L,  /* 'ACLR' */
+    icSig11colorData                    = 0x42434C52L,  /* 'BCLR' */
+    icSig12colorData                    = 0x43434C52L,  /* 'CCLR' */
+    icSig13colorData                    = 0x44434C52L,  /* 'DCLR' */
+    icSig14colorData                    = 0x45434C52L,  /* 'ECLR' */
+    icSig15colorData                    = 0x46434C52L,  /* 'FCLR' */
+    icMaxEnumData                       = 0xFFFFFFFFL   
+} icColorSpaceSignature;
+#endif
+
+#include <stdio.h>
+
+typedef int qcms_bool;
+
+struct _qcms_transform;
+typedef struct _qcms_transform qcms_transform;
+
+struct _qcms_profile;
+typedef struct _qcms_profile qcms_profile;
+
+/* these values match the Rendering Intent values from the ICC spec */
+typedef enum {
+        QCMS_INTENT_DEFAULT = 0,
+        QCMS_INTENT_PERCEPTUAL = 0,
+        QCMS_INTENT_RELATIVE_COLORIMETRIC = 1,
+        QCMS_INTENT_SATURATION = 2,
+        QCMS_INTENT_ABSOLUTE_COLORIMETRIC = 3
+} qcms_intent;
+
+//XXX: I don't really like the _DATA_ prefix
+typedef enum {
+        QCMS_DATA_RGB_8,
+        QCMS_DATA_RGBA_8,
+        QCMS_DATA_GRAY_8,
+        QCMS_DATA_GRAYA_8
+} qcms_data_type;
+
+/* the names for the following two types are sort of ugly */
+typedef struct
+{
+        double x;
+        double y;
+        double Y;
+} qcms_CIE_xyY;
+
+typedef struct
+{
+        qcms_CIE_xyY red;
+        qcms_CIE_xyY green;
+        qcms_CIE_xyY blue;
+} qcms_CIE_xyYTRIPLE;
+
+qcms_profile* qcms_profile_create_rgb_with_gamma(
+                qcms_CIE_xyY white_point,
+                qcms_CIE_xyYTRIPLE primaries,
+                float gamma);
+
+qcms_profile* qcms_profile_from_memory(const void *mem, size_t size);
+
+qcms_profile* qcms_profile_from_file(FILE *file);
+qcms_profile* qcms_profile_from_path(const char *path);
+#ifdef _WIN32
+qcms_profile* qcms_profile_from_unicode_path(const wchar_t *path);
+#endif
+qcms_profile* qcms_profile_sRGB(void);
+void qcms_profile_release(qcms_profile *profile);
+
+qcms_bool qcms_profile_is_bogus(qcms_profile *profile);
+qcms_intent qcms_profile_get_rendering_intent(qcms_profile *profile);
+icColorSpaceSignature qcms_profile_get_color_space(qcms_profile *profile);
+
+void qcms_profile_precache_output_transform(qcms_profile *profile);
+
+qcms_transform* qcms_transform_create(
+                qcms_profile *in, qcms_data_type in_type,
+                qcms_profile* out, qcms_data_type out_type,
+                qcms_intent intent);
+
+void qcms_transform_release(qcms_transform *);
+
+void qcms_transform_data(qcms_transform *transform, void *src, void *dest, size_t length);
+
+void qcms_enable_iccv4();
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif