LCOV - code coverage report
Current view: directory - gfx/qcms - transform_util.h (source / functions) Found Hit Coverage
Test: app.info Lines: 2 0 0.0 %
Date: 2012-06-02 Functions: 1 0 0.0 %

       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:
      12                 : //
      13                 : // The above copyright notice and this permission notice shall be included in 
      14                 : // all copies or substantial portions of the Software.
      15                 : //
      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.
      23                 : 
      24                 : #ifndef _QCMS_TRANSFORM_UTIL_H
      25                 : #define _QCMS_TRANSFORM_UTIL_H
      26                 : 
      27                 : #include <stdlib.h>
      28                 : 
      29                 : #define CLU(table,x,y,z) table[(x*len + y*x_len + z*xy_len)*3]
      30                 : 
      31                 : //XXX: could use a bettername
      32                 : typedef uint16_t uint16_fract_t;
      33                 : 
      34                 : float lut_interp_linear(double value, uint16_t *table, int length);
      35                 : float lut_interp_linear_float(float value, float *table, int length);
      36                 : uint16_t lut_interp_linear16(uint16_t input_value, uint16_t *table, int length);
      37                 : 
      38                 : 
      39               0 : static inline float lerp(float a, float b, float t)
      40                 : {
      41               0 :         return a*(1.f-t) + b*t;
      42                 : }
      43                 : 
      44                 : unsigned char clamp_u8(float v);
      45                 : float clamp_float(float a);
      46                 : 
      47                 : float u8Fixed8Number_to_float(uint16_t x);
      48                 : 
      49                 : 
      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);
      54                 : 
      55                 : struct matrix matrix_invert(struct matrix mat);
      56                 : qcms_bool compute_precache(struct curveType *trc, uint8_t *output);
      57                 : 
      58                 : 
      59                 : #endif

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