Add ICU message format support
[chromium-blink-merge.git] / third_party / qcms / src / transform_util.h
blobf83477aed66b51f7627086c4a3ebe47955b8cd62
1 /* vim: set ts=8 sw=8 noexpandtab: */
2 // qcms
3 // Copyright (C) 2009 Mozilla Foundation
4 // Copyright (C) 1998-2007 Marti Maria
5 //
6 // Permission is hereby granted, free of charge, to any person obtaining
7 // a copy of this software and associated documentation files (the "Software"),
8 // to deal in the Software without restriction, including without limitation
9 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 // and/or sell copies of the Software, and to permit persons to whom the Software
11 // is furnished to do so, subject to the following conditions:
13 // The above copyright notice and this permission notice shall be included in
14 // all copies or substantial portions of the Software.
16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
18 // THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 #ifndef _QCMS_TRANSFORM_UTIL_H
25 #define _QCMS_TRANSFORM_UTIL_H
27 #include <stdlib.h>
29 #define CLU(table,x,y,z) table[(x*len + y*x_len + z*xy_len)*3]
31 //XXX: could use a bettername
32 typedef uint16_t uint16_fract_t;
34 float lut_interp_linear(double input_value, uint16_t *table, size_t length);
35 float lut_interp_linear_float(float input_value, float *table, size_t length);
36 uint16_t lut_interp_linear16(uint16_t input_value, uint16_t *table, size_t length);
39 static inline float lerp(float a, float b, float t)
41 return a*(1.f-t) + b*t;
44 unsigned char clamp_u8(float v);
45 float clamp_float(float a);
47 float u8Fixed8Number_to_float(uint16_t x);
50 float *build_input_gamma_table(struct curveType *TRC);
51 struct matrix build_colorant_matrix(qcms_profile *p);
52 void build_output_lut(struct curveType *trc,
53 uint16_t **output_gamma_lut, size_t *output_gamma_lut_length);
55 struct matrix matrix_invert(struct matrix mat);
56 qcms_bool compute_precache(struct curveType *trc, uint8_t *output);
58 #endif