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#include "qcms.h"
#include "qcmstypes.h"
/* used as a lookup table for the output transformation.
* we refcount them so we only need to have one around per output
* profile, instead of duplicating them per transform */
struct precache_output
{
int ref_count;
/* We previously used a count of 65536 here but that seems like more
* precision than we actually need. By reducing the size we can
* improve startup performance and reduce memory usage. ColorSync on
* 10.5 uses 4097 which is perhaps because they use a fixed point
* representation where 1. is represented by 0x1000. */
#define PRECACHE_OUTPUT_SIZE 8192
#define PRECACHE_OUTPUT_MAX (PRECACHE_OUTPUT_SIZE-1)
uint8_t data[PRECACHE_OUTPUT_SIZE];
};
#ifdef _MSC_VER
#define ALIGN __declspec(align(16))
#else
#define ALIGN __attribute__(( aligned (16) ))
#endif
struct _qcms_transform {
float ALIGN matrix[3][4];
float *input_gamma_table_r;
float *input_gamma_table_g;
float *input_gamma_table_b;
float *input_gamma_table_gray;
float out_gamma_r;
float out_gamma_g;
float out_gamma_b;
float out_gamma_gray;
uint16_t *output_gamma_lut_r;
uint16_t *output_gamma_lut_g;
uint16_t *output_gamma_lut_b;
uint16_t *output_gamma_lut_gray;
size_t output_gamma_lut_r_length;
size_t output_gamma_lut_g_length;
size_t output_gamma_lut_b_length;
size_t output_gamma_lut_gray_length;
struct precache_output *output_table_r;
struct precache_output *output_table_g;
struct precache_output *output_table_b;
void (*transform_fn)(struct _qcms_transform *transform, unsigned char *src, unsigned char *dest, size_t length);
};
typedef int32_t s15Fixed16Number;
typedef uint16_t uInt16Number;
struct XYZNumber {
s15Fixed16Number X;
s15Fixed16Number Y;
s15Fixed16Number Z;
};
struct curveType {
uint32_t count;
uInt16Number data[];
};
struct lutType {
uint8_t num_input_channels;
uint8_t num_output_channels;
uint8_t num_clut_grid_points;
s15Fixed16Number e00;
s15Fixed16Number e01;
s15Fixed16Number e02;
s15Fixed16Number e10;
s15Fixed16Number e11;
s15Fixed16Number e12;
s15Fixed16Number e20;
s15Fixed16Number e21;
s15Fixed16Number e22;
uint16_t num_input_table_entries;
uint16_t num_output_table_entries;
uint16_t *input_table;
uint16_t *clut_table;
uint16_t *output_table;
};
#if 0
/* this is from an intial idea of having the struct correspond to the data in
* the file. I decided that it wasn't a good idea.
*/
struct tag_value {
uint32_t type;
union {
struct {
uint32_t reserved;
struct {
s15Fixed16Number X;
s15Fixed16Number Y;
s15Fixed16Number Z;
} XYZNumber;
} XYZType;
};
}; // I guess we need to pack this?
#endif
#define RGB_SIGNATURE 0x52474220
#define GRAY_SIGNATURE 0x47524159
struct _qcms_profile {
uint32_t class;
uint32_t color_space;
qcms_intent rendering_intent;
struct XYZNumber redColorant;
struct XYZNumber blueColorant;
struct XYZNumber greenColorant;
struct curveType *redTRC;
struct curveType *blueTRC;
struct curveType *greenTRC;
struct curveType *grayTRC;
struct lutType *A2B0;
struct precache_output *output_table_r;
struct precache_output *output_table_g;
struct precache_output *output_table_b;
};
#ifdef _MSC_VER
#define inline _inline
#endif
/* produces the nearest float to 'a' with a maximum error
* of 1/1024 which happens for large values like 0x40000040 */
static inline float s15Fixed16Number_to_float(s15Fixed16Number a)
{
return ((int32_t)a)/65536.f;
}
static inline s15Fixed16Number double_to_s15Fixed16Number(double v)
{
return (int32_t)(v*65536);
}
void precache_release(struct precache_output *p);
qcms_bool set_rgb_colorants(qcms_profile *profile, qcms_CIE_xyY white_point, qcms_CIE_xyYTRIPLE primaries);
void qcms_transform_data_rgb_out_lut_sse2(qcms_transform *transform,
unsigned char *src,
unsigned char *dest,
size_t length);
void qcms_transform_data_rgba_out_lut_sse2(qcms_transform *transform,
unsigned char *src,
unsigned char *dest,
size_t length);
void qcms_transform_data_rgb_out_lut_sse1(qcms_transform *transform,
unsigned char *src,
unsigned char *dest,
size_t length);
void qcms_transform_data_rgba_out_lut_sse1(qcms_transform *transform,
unsigned char *src,
unsigned char *dest,
size_t length);
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