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/* Definitions for VIPS colour package.
*
* J.Cupitt, 8/4/93
* 15/7/96 JC
* - C++ stuff added
* 20/2/98 JC
* - new display calibration added
* 26/9/05
* - added IM_ prefix to colour temps
*/
/*
This file is part of VIPS.
VIPS is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
/*
These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
*/
#ifndef VIPS_COLOUR_H
#define VIPS_COLOUR_H
#ifdef __cplusplus
extern "C" {
#endif /*__cplusplus*/
/* Areas under curves for Dxx. 2 degree observer.
*/
#define VIPS_D93_X0 (89.7400)
#define VIPS_D93_Y0 (100.0)
#define VIPS_D93_Z0 (130.7700)
#define VIPS_D75_X0 (94.9682)
#define VIPS_D75_Y0 (100.0)
#define VIPS_D75_Z0 (122.5710)
/* D65 temp 6504.
*/
#define VIPS_D65_X0 (95.0470)
#define VIPS_D65_Y0 (100.0)
#define VIPS_D65_Z0 (108.8827)
#define VIPS_D55_X0 (95.6831)
#define VIPS_D55_Y0 (100.0)
#define VIPS_D55_Z0 (92.0871)
#define VIPS_D50_X0 (96.4250)
#define VIPS_D50_Y0 (100.0)
#define VIPS_D50_Z0 (82.4680)
/* A temp 2856k.
*/
#define VIPS_A_X0 (109.8503)
#define VIPS_A_Y0 (100.0)
#define VIPS_A_Z0 (35.5849)
/* B temp 4874k.
*/
#define VIPS_B_X0 (99.0720)
#define VIPS_B_Y0 (100.0)
#define VIPS_B_Z0 (85.2230)
/* C temp 6774k.
*/
#define VIPS_C_X0 (98.0700)
#define VIPS_C_Y0 (100.0)
#define VIPS_C_Z0 (118.2300)
#define VIPS_E_X0 (100.0)
#define VIPS_E_Y0 (100.0)
#define VIPS_E_Z0 (100.0)
#define VIPS_D3250_X0 (105.6590)
#define VIPS_D3250_Y0 (100.0)
#define VIPS_D3250_Z0 (45.8501)
/* Note: constants align with those defined in lcms2.h, except for
* VIPS_INTENT_AUTO, which is libvips-specific.
*/
typedef enum {
VIPS_INTENT_PERCEPTUAL = 0,
VIPS_INTENT_RELATIVE,
VIPS_INTENT_SATURATION,
VIPS_INTENT_ABSOLUTE,
/* Leave room for possible new rendering intents beyond the
* four standard ones.
*/
VIPS_INTENT_AUTO = 32,
VIPS_INTENT_LAST
} VipsIntent;
typedef enum {
VIPS_PCS_LAB,
VIPS_PCS_XYZ,
VIPS_PCS_LAST
} VipsPCS;
VIPS_API
gboolean vips_colourspace_issupported(const VipsImage *image);
VIPS_API
int vips_colourspace(VipsImage *in, VipsImage **out,
VipsInterpretation space, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_LabQ2sRGB(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_rad2float(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_float2rad(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_LabS2LabQ(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_LabQ2LabS(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_LabQ2Lab(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_Lab2LabQ(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_LCh2Lab(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_Lab2LCh(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_Lab2XYZ(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_XYZ2Lab(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_XYZ2scRGB(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_scRGB2sRGB(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_scRGB2BW(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_sRGB2scRGB(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_scRGB2XYZ(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_HSV2sRGB(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_sRGB2HSV(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_LCh2CMC(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_CMC2LCh(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_XYZ2Yxy(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_Yxy2XYZ(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_LabS2Lab(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_Lab2LabS(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_CMYK2XYZ(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_XYZ2CMYK(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_profile_load(const char *name, VipsBlob **profile, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_icc_present(void);
VIPS_API
int vips_icc_transform(VipsImage *in, VipsImage **out,
const char *output_profile, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_icc_import(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_icc_export(VipsImage *in, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_icc_ac2rc(VipsImage *in, VipsImage **out,
const char *profile_filename);
VIPS_API
gboolean vips_icc_is_compatible_profile(VipsImage *image,
const void *data, size_t data_length);
VIPS_API
int vips_dE76(VipsImage *left, VipsImage *right, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_dE00(VipsImage *left, VipsImage *right, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_dECMC(VipsImage *left, VipsImage *right, VipsImage **out, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
void vips_col_Lab2XYZ(float L, float a, float b,
float *X, float *Y, float *Z);
VIPS_API
void vips_col_XYZ2Lab(float X, float Y, float Z,
float *L, float *a, float *b);
VIPS_API
double vips_col_ab2h(double a, double b);
VIPS_API
void vips_col_ab2Ch(float a, float b, float *C, float *h);
VIPS_API
void vips_col_Ch2ab(float C, float h, float *a, float *b);
VIPS_API
float vips_col_L2Lcmc(float L);
VIPS_API
float vips_col_C2Ccmc(float C);
VIPS_API
float vips_col_Ch2hcmc(float C, float h);
VIPS_API
void vips_col_make_tables_CMC(void);
VIPS_API
float vips_col_Lcmc2L(float Lcmc);
VIPS_API
float vips_col_Ccmc2C(float Ccmc);
VIPS_API
float vips_col_Chcmc2h(float C, float hcmc);
VIPS_API
int vips_col_sRGB2scRGB_8(int r, int g, int b, float *R, float *G, float *B);
VIPS_API
int vips_col_sRGB2scRGB_16(int r, int g, int b, float *R, float *G, float *B);
VIPS_API
int vips_col_sRGB2scRGB_8_noclip(int r, int g, int b,
float *R, float *G, float *B);
VIPS_API
int vips_col_sRGB2scRGB_16_noclip(int r, int g, int b,
float *R, float *G, float *B);
VIPS_API
int vips_col_scRGB2XYZ(float R, float G, float B,
float *X, float *Y, float *Z);
VIPS_API
int vips_col_XYZ2scRGB(float X, float Y, float Z,
float *R, float *G, float *B);
VIPS_API
int vips_col_scRGB2sRGB_8(float R, float G, float B,
int *r, int *g, int *b, int *og);
VIPS_API
int vips_col_scRGB2sRGB_16(float R, float G, float B,
int *r, int *g, int *b, int *og);
VIPS_API
int vips_col_scRGB2BW_16(float R, float G, float B, int *g, int *og);
VIPS_API
int vips_col_scRGB2BW_8(float R, float G, float B, int *g, int *og);
VIPS_API
float vips_pythagoras(float L1, float a1, float b1,
float L2, float a2, float b2);
VIPS_API
float vips_col_dE00(
float L1, float a1, float b1, float L2, float a2, float b2);
#ifdef __cplusplus
}
#endif /*__cplusplus*/
#endif /*VIPS_COLOUR_H*/