libgutenprint API Reference
5.2.9
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Dither functions. More...
Data Structures | |
struct | stp_dither_matrix_short |
struct | stp_dither_matrix_normal |
struct | stp_dither_matrix_generic |
struct | dither_matrix_impl |
struct | stp_dotsize |
struct | stp_shade |
Macros | |
#define | STP_ECOLOR_K 0 |
#define | STP_ECOLOR_C 1 |
#define | STP_ECOLOR_M 2 |
#define | STP_ECOLOR_Y 3 |
#define | STP_NCOLORS (4) |
Typedefs | |
typedef struct stp_dither_matrix_short | stp_dither_matrix_short_t |
typedef struct stp_dither_matrix_normal | stp_dither_matrix_normal_t |
typedef struct stp_dither_matrix_generic | stp_dither_matrix_generic_t |
typedef struct dither_matrix_impl | stp_dither_matrix_impl_t |
typedef struct stp_dotsize | stp_dotsize_t |
typedef struct stp_shade | stp_shade_t |
Functions | |
void | stp_dither_matrix_iterated_init (stp_dither_matrix_impl_t *mat, size_t size, size_t exponent, const unsigned *array) |
void | stp_dither_matrix_shear (stp_dither_matrix_impl_t *mat, int x_shear, int y_shear) |
void | stp_dither_matrix_init (stp_dither_matrix_impl_t *mat, int x_size, int y_size, const unsigned int *array, int transpose, int prescaled) |
void | stp_dither_matrix_init_short (stp_dither_matrix_impl_t *mat, int x_size, int y_size, const unsigned short *array, int transpose, int prescaled) |
int | stp_dither_matrix_validate_array (const stp_array_t *array) |
void | stp_dither_matrix_init_from_dither_array (stp_dither_matrix_impl_t *mat, const stp_array_t *array, int transpose) |
void | stp_dither_matrix_destroy (stp_dither_matrix_impl_t *mat) |
void | stp_dither_matrix_clone (const stp_dither_matrix_impl_t *src, stp_dither_matrix_impl_t *dest, int x_offset, int y_offset) |
void | stp_dither_matrix_copy (const stp_dither_matrix_impl_t *src, stp_dither_matrix_impl_t *dest) |
void | stp_dither_matrix_scale_exponentially (stp_dither_matrix_impl_t *mat, double exponent) |
void | stp_dither_matrix_set_row (stp_dither_matrix_impl_t *mat, int y) |
stp_array_t * | stp_find_standard_dither_array (int x_aspect, int y_aspect) |
stp_parameter_list_t | stp_dither_list_parameters (const stp_vars_t *v) |
void | stp_dither_describe_parameter (const stp_vars_t *v, const char *name, stp_parameter_t *description) |
void | stp_dither_init (stp_vars_t *v, stp_image_t *image, int out_width, int xdpi, int ydpi) |
void | stp_dither_set_iterated_matrix (stp_vars_t *v, size_t edge, size_t iterations, const unsigned *data, int prescaled, int x_shear, int y_shear) |
void | stp_dither_set_matrix (stp_vars_t *v, const stp_dither_matrix_generic_t *mat, int transpose, int x_shear, int y_shear) |
void | stp_dither_set_matrix_from_dither_array (stp_vars_t *v, const stp_array_t *array, int transpose) |
void | stp_dither_set_transition (stp_vars_t *v, double) |
void | stp_dither_set_randomizer (stp_vars_t *v, int color, double) |
void | stp_dither_set_ink_spread (stp_vars_t *v, int spread) |
void | stp_dither_set_adaptive_limit (stp_vars_t *v, double limit) |
int | stp_dither_get_first_position (stp_vars_t *v, int color, int subchan) |
int | stp_dither_get_last_position (stp_vars_t *v, int color, int subchan) |
void | stp_dither_set_inks_simple (stp_vars_t *v, int color, int nlevels, const double *levels, double density, double darkness) |
void | stp_dither_set_inks_full (stp_vars_t *v, int color, int nshades, const stp_shade_t *shades, double density, double darkness) |
void | stp_dither_set_inks (stp_vars_t *v, int color, double density, double darkness, int nshades, const double *svalues, int ndotsizes, const double *dvalues) |
void | stp_dither_add_channel (stp_vars_t *v, unsigned char *data, unsigned channel, unsigned subchannel) |
unsigned char * | stp_dither_get_channel (stp_vars_t *v, unsigned channel, unsigned subchannel) |
void | stp_dither (stp_vars_t *v, int row, int duplicate_line, int zero_mask, const unsigned char *mask) |
void | stp_dither_internal (stp_vars_t *v, int row, const unsigned short *input, int duplicate_line, int zero_mask, const unsigned char *mask) |
Dither functions.
#define STP_ECOLOR_C 1 |
#define STP_ECOLOR_K 0 |
#define STP_ECOLOR_M 2 |
#define STP_ECOLOR_Y 3 |
#define STP_NCOLORS (4) |
typedef struct stp_dither_matrix_generic stp_dither_matrix_generic_t |
typedef struct dither_matrix_impl stp_dither_matrix_impl_t |
typedef struct stp_dither_matrix_normal stp_dither_matrix_normal_t |
typedef struct stp_dither_matrix_short stp_dither_matrix_short_t |
typedef struct stp_dotsize stp_dotsize_t |
typedef struct stp_shade stp_shade_t |
void stp_dither | ( | stp_vars_t * | v, |
int | row, | ||
int | duplicate_line, | ||
int | zero_mask, | ||
const unsigned char * | mask | ||
) |
void stp_dither_add_channel | ( | stp_vars_t * | v, |
unsigned char * | data, | ||
unsigned | channel, | ||
unsigned | subchannel | ||
) |
void stp_dither_describe_parameter | ( | const stp_vars_t * | v, |
const char * | name, | ||
stp_parameter_t * | description | ||
) |
unsigned char* stp_dither_get_channel | ( | stp_vars_t * | v, |
unsigned | channel, | ||
unsigned | subchannel | ||
) |
int stp_dither_get_first_position | ( | stp_vars_t * | v, |
int | color, | ||
int | subchan | ||
) |
int stp_dither_get_last_position | ( | stp_vars_t * | v, |
int | color, | ||
int | subchan | ||
) |
void stp_dither_init | ( | stp_vars_t * | v, |
stp_image_t * | image, | ||
int | out_width, | ||
int | xdpi, | ||
int | ydpi | ||
) |
void stp_dither_internal | ( | stp_vars_t * | v, |
int | row, | ||
const unsigned short * | input, | ||
int | duplicate_line, | ||
int | zero_mask, | ||
const unsigned char * | mask | ||
) |
stp_parameter_list_t stp_dither_list_parameters | ( | const stp_vars_t * | v | ) |
void stp_dither_matrix_clone | ( | const stp_dither_matrix_impl_t * | src, |
stp_dither_matrix_impl_t * | dest, | ||
int | x_offset, | ||
int | y_offset | ||
) |
void stp_dither_matrix_copy | ( | const stp_dither_matrix_impl_t * | src, |
stp_dither_matrix_impl_t * | dest | ||
) |
void stp_dither_matrix_destroy | ( | stp_dither_matrix_impl_t * | mat | ) |
void stp_dither_matrix_init | ( | stp_dither_matrix_impl_t * | mat, |
int | x_size, | ||
int | y_size, | ||
const unsigned int * | array, | ||
int | transpose, | ||
int | prescaled | ||
) |
void stp_dither_matrix_init_from_dither_array | ( | stp_dither_matrix_impl_t * | mat, |
const stp_array_t * | array, | ||
int | transpose | ||
) |
void stp_dither_matrix_init_short | ( | stp_dither_matrix_impl_t * | mat, |
int | x_size, | ||
int | y_size, | ||
const unsigned short * | array, | ||
int | transpose, | ||
int | prescaled | ||
) |
void stp_dither_matrix_iterated_init | ( | stp_dither_matrix_impl_t * | mat, |
size_t | size, | ||
size_t | exponent, | ||
const unsigned * | array | ||
) |
void stp_dither_matrix_scale_exponentially | ( | stp_dither_matrix_impl_t * | mat, |
double | exponent | ||
) |
void stp_dither_matrix_set_row | ( | stp_dither_matrix_impl_t * | mat, |
int | y | ||
) |
void stp_dither_matrix_shear | ( | stp_dither_matrix_impl_t * | mat, |
int | x_shear, | ||
int | y_shear | ||
) |
int stp_dither_matrix_validate_array | ( | const stp_array_t * | array | ) |
void stp_dither_set_adaptive_limit | ( | stp_vars_t * | v, |
double | limit | ||
) |
void stp_dither_set_ink_spread | ( | stp_vars_t * | v, |
int | spread | ||
) |
void stp_dither_set_inks | ( | stp_vars_t * | v, |
int | color, | ||
double | density, | ||
double | darkness, | ||
int | nshades, | ||
const double * | svalues, | ||
int | ndotsizes, | ||
const double * | dvalues | ||
) |
void stp_dither_set_inks_full | ( | stp_vars_t * | v, |
int | color, | ||
int | nshades, | ||
const stp_shade_t * | shades, | ||
double | density, | ||
double | darkness | ||
) |
void stp_dither_set_inks_simple | ( | stp_vars_t * | v, |
int | color, | ||
int | nlevels, | ||
const double * | levels, | ||
double | density, | ||
double | darkness | ||
) |
void stp_dither_set_iterated_matrix | ( | stp_vars_t * | v, |
size_t | edge, | ||
size_t | iterations, | ||
const unsigned * | data, | ||
int | prescaled, | ||
int | x_shear, | ||
int | y_shear | ||
) |
void stp_dither_set_matrix | ( | stp_vars_t * | v, |
const stp_dither_matrix_generic_t * | mat, | ||
int | transpose, | ||
int | x_shear, | ||
int | y_shear | ||
) |
void stp_dither_set_matrix_from_dither_array | ( | stp_vars_t * | v, |
const stp_array_t * | array, | ||
int | transpose | ||
) |
void stp_dither_set_randomizer | ( | stp_vars_t * | v, |
int | color, | ||
double | |||
) |
void stp_dither_set_transition | ( | stp_vars_t * | v, |
double | |||
) |
stp_array_t* stp_find_standard_dither_array | ( | int | x_aspect, |
int | y_aspect | ||
) |