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- /*
- * "$Id: print.h,v 1.15 2000/10/04 01:47:59 mitch Exp $"
- *
- * Print plug-in header file for the GIMP.
- *
- * Copyright 1997-2000 Michael Sweet (mike@easysw.com) and
- * Robert Krawitz (rlk@alum.mit.edu)
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU 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 General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Revision History:
- *
- * See ChangeLog
- */
-
- /*
- * This file must include only standard C header files. The core code must
- * compile on generic platforms that don't support glib, gimp, gtk, etc.
- */
-
- #ifndef PRINT_HEADER
- #define PRINT_HEADER
-
- /*
- * Include necessary header files...
- */
-
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <errno.h>
-
- /*
- * Constants...
- */
-
- #define OUTPUT_GRAY 0 /* Grayscale output */
- #define OUTPUT_COLOR 1 /* Color output */
- #define OUTPUT_GRAY_COLOR 2 /* Grayscale output using color */
-
- #define ORIENT_AUTO -1 /* Best orientation */
- #define ORIENT_PORTRAIT 0 /* Portrait orientation */
- #define ORIENT_LANDSCAPE 1 /* Landscape orientation */
- #define ORIENT_UPSIDEDOWN 2 /* Reverse portrait orientation */
- #define ORIENT_SEASCAPE 3 /* Reverse landscape orientation */
-
- #define MAX_CARRIAGE_WIDTH 80 /* This really needs to go away */
- /* For now, this is wide enough for 4B ISO */
-
- #define IMAGE_LINE_ART 0
- #define IMAGE_SOLID_TONE 1
- #define IMAGE_CONTINUOUS 2
- #define IMAGE_MONOCHROME 3
- #define NIMAGE_TYPES 4
-
- /* Uncomment the next line to get performance statistics:
- * look for QUANT(#) in the code. At the end of escp2-print
- * run, it will print out how long and how many time did
- * certain pieces of code take. Of course, don't forget about
- * overhead of call to gettimeofday - it's not zero.
- * If you need more detailed performance stats, just put
- * QUANT() calls in the interesting spots in the code */
- /*#define QUANTIFY*/
- #ifdef QUANTIFY
- #include <assert.h>
- #include <sys/time.h>
- #include <unistd.h>
- #else
- #define QUANT(n)
- #endif
-
- /*
- * Printer driver control structure. See "print.c" for the actual list...
- */
-
- typedef struct /* Plug-in variables */
- {
- char output_to[256], /* Name of file or command to print to */
- driver[64], /* Name of printer "driver" */
- ppd_file[256]; /* PPD file */
- int output_type; /* Color or grayscale output */
- char resolution[64], /* Resolution */
- media_size[64], /* Media size */
- media_type[64], /* Media type */
- media_source[64], /* Media source */
- ink_type[64], /* Ink or cartridge */
- dither_algorithm[64]; /* Dithering algorithm */
- float brightness; /* Output brightness */
- float scaling; /* Scaling, percent of printable area */
- int orientation, /* Orientation - 0 = port., 1 = land.,
- -1 = auto */
- left, /* Offset from lower-lefthand corner, points */
- top; /* ... */
- float gamma; /* Gamma */
- float contrast, /* Output Contrast */
- cyan, /* Output red level */
- magenta, /* Output green level */
- yellow; /* Output blue level */
- int linear; /* Linear density (mostly for testing!) */
- float saturation; /* Output saturation */
- float density; /* Maximum output density */
- int image_type; /* Image type (line art etc.) */
- int unit; /* Units for preview area 0=Inch 1=Metric */
- float app_gamma; /* Application gamma */
- int page_width; /* Width of page in points */
- int page_height; /* Height of page in points */
- void *lut; /* Look-up table */
- unsigned char *cmap; /* Color map */
- } vars_t;
-
- typedef struct /**** Printer List ****/
- {
- int active; /* Do we know about this printer? */
- char name[128]; /* Name of printer */
- vars_t v;
- } plist_t;
-
- typedef enum papersize_unit
- {
- PAPERSIZE_ENGLISH,
- PAPERSIZE_METRIC
- } papersize_unit_t;
-
- typedef struct
- {
- char name[32];
- unsigned width;
- unsigned length;
- papersize_unit_t paper_unit;
- } papersize_t;
-
- /*
- * Abstract data type for interfacing with the image creation program
- * (in this case, the Gimp).
- */
- typedef void *Image;
-
- /* For how to create an Image wrapping a Gimp drawable, see print_gimp.h */
-
- extern void Image_init(Image image);
- extern void Image_reset(Image image);
- extern void Image_transpose(Image image);
- extern void Image_hflip(Image image);
- extern void Image_vflip(Image image);
- extern void Image_crop(Image image, int left, int top, int right, int bottom);
- extern void Image_rotate_ccw(Image image);
- extern void Image_rotate_cw(Image image);
- extern void Image_rotate_180(Image image);
- extern int Image_bpp(Image image);
- extern int Image_width(Image image);
- extern int Image_height(Image image);
- extern void Image_get_row(Image image, unsigned char *data, int row);
-
- extern const char *Image_get_appname(Image image);
- extern void Image_progress_init(Image image);
- extern void Image_note_progress(Image image, double current, double total);
- extern void Image_progress_conclude(Image image);
-
-
- typedef struct printer
- {
- char *long_name, /* Long name for UI */
- *driver; /* Short name for printrc file */
- int model; /* Model number */
- char **(*parameters)(const struct printer *printer, char *ppd_file,
- char *name, int *count);
- /* Parameter names */
- void (*media_size)(const struct printer *printer, const vars_t *v,
- int *width, int *length);
- void (*imageable_area)(const struct printer *printer, const vars_t *v,
- int *left, int *right, int *bottom, int *top);
- void (*limit)(const struct printer *printer, const vars_t *v,
- int *width, int *length);
- /* Print function */
- void (*print)(const struct printer *printer, int copies, FILE *prn,
- Image image, const vars_t *v);
- const char *(*default_resolution)(const struct printer *printer);
- vars_t printvars;
- } printer_t;
-
- typedef void (*convert_t)(unsigned char *in, unsigned short *out, int width,
- int bpp, unsigned char *cmap, const vars_t *vars);
-
- typedef struct
- {
- double value;
- unsigned bit_pattern;
- int is_dark;
- unsigned dot_size;
- } simple_dither_range_t;
-
- typedef struct
- {
- double value;
- double lower;
- double upper;
- unsigned bit_pattern;
- int is_dark;
- unsigned dot_size;
- } dither_range_t;
-
- typedef struct
- {
- double value_l;
- double value_h;
- unsigned bits_l;
- unsigned bits_h;
- int isdark_l;
- int isdark_h;
- } full_dither_range_t;
-
- /*
- * Prototypes...
- */
-
- extern void * init_dither(int in_width, int out_width, int horizontal_aspect,
- int vertical_aspect, vars_t *vars);
- extern void dither_set_transition(void *vd, double);
- extern void dither_set_density(void *vd, double);
- extern void dither_set_black_lower(void *vd, double);
- extern void dither_set_black_upper(void *vd, double);
- extern void dither_set_black_levels(void *vd, double, double, double);
- extern void dither_set_randomizers(void *vd, double, double, double, double);
- extern void dither_set_ink_darkness(void *vd, double, double, double);
- extern void dither_set_light_inks(void *vd, double, double, double, double);
- extern void dither_set_c_ranges(void *vd, int nlevels,
- const simple_dither_range_t *ranges,
- double density);
- extern void dither_set_m_ranges(void *vd, int nlevels,
- const simple_dither_range_t *ranges,
- double density);
- extern void dither_set_y_ranges(void *vd, int nlevels,
- const simple_dither_range_t *ranges,
- double density);
- extern void dither_set_k_ranges(void *vd, int nlevels,
- const simple_dither_range_t *ranges,
- double density);
- extern void dither_set_k_ranges_full(void *vd, int nlevels,
- const full_dither_range_t *ranges,
- double density);
- extern void dither_set_c_ranges_full(void *vd, int nlevels,
- const full_dither_range_t *ranges,
- double density);
- extern void dither_set_m_ranges_full(void *vd, int nlevels,
- const full_dither_range_t *ranges,
- double density);
- extern void dither_set_y_ranges_full(void *vd, int nlevels,
- const full_dither_range_t *ranges,
- double density);
- extern void dither_set_c_ranges_simple(void *vd, int nlevels,
- const double *levels, double density);
- extern void dither_set_m_ranges_simple(void *vd, int nlevels,
- const double *levels, double density);
- extern void dither_set_y_ranges_simple(void *vd, int nlevels,
- const double *levels, double density);
- extern void dither_set_k_ranges_simple(void *vd, int nlevels,
- const double *levels, double density);
- extern void dither_set_c_ranges_complete(void *vd, int nlevels,
- const dither_range_t *ranges);
- extern void dither_set_m_ranges_complete(void *vd, int nlevels,
- const dither_range_t *ranges);
- extern void dither_set_y_ranges_complete(void *vd, int nlevels,
- const dither_range_t *ranges);
- extern void dither_set_k_ranges_complete(void *vd, int nlevels,
- const dither_range_t *ranges);
- extern void dither_set_ink_spread(void *vd, int spread);
- extern void dither_set_max_ink(void *vd, int, double);
- extern void dither_set_x_oversample(void *vd, int os);
- extern void dither_set_y_oversample(void *vd, int os);
- extern void dither_set_adaptive_divisor(void *vd, unsigned divisor);
-
-
- extern void free_dither(void *);
-
-
- extern void * initialize_weave_params(int S, int J, int O,
- int firstrow, int lastrow,
- int pagelength, int strategy);
- extern void calculate_row_parameters(void *w, int row, int subpass,
- int *pass, int *jet, int *startrow,
- int *phantomrows, int *jetsused);
- extern void destroy_weave_params(void *vw);
-
-
- extern void dither_monochrome(const unsigned short *, int, void *,
- unsigned char *, int duplicate_line);
-
- extern void dither_black(const unsigned short *, int, void *,
- unsigned char *, int duplicate_line);
-
- extern void dither_cmyk(const unsigned short *, int, void *,
- unsigned char *,
- unsigned char *, unsigned char *,
- unsigned char *, unsigned char *,
- unsigned char *, unsigned char *,
- int duplicate_line);
-
- extern void merge_printvars(vars_t *user, const vars_t *print);
- extern void free_lut(vars_t *v);
- extern void compute_lut(size_t steps, vars_t *v);
-
-
- extern void default_media_size(const printer_t *printer, const vars_t *v,
- int *width, int *length);
-
-
- extern char **escp2_parameters(const printer_t *printer, char *ppd_file,
- char *name, int *count);
- extern void escp2_imageable_area(const printer_t *printer, const vars_t *v,
- int *left, int *right,
- int *bottom, int *top);
- extern void escp2_limit(const printer_t *printer, const vars_t *v,
- int *width, int *length);
- extern void escp2_print(const printer_t *printer, int copies, FILE *prn,
- Image image, const vars_t *v);
- extern const char *escp2_default_resolution(const printer_t *printer);
-
-
- extern char **canon_parameters(const printer_t *printer, char *ppd_file,
- char *name, int *count);
- extern void canon_imageable_area(const printer_t *printer, const vars_t *v,
- int *left, int *right,
- int *bottom, int *top);
- extern void canon_limit(const printer_t *printer, const vars_t *v,
- int *width, int *length);
- extern void canon_print(const printer_t *printer, int copies, FILE *prn,
- Image image, const vars_t *v);
- extern const char *canon_default_resolution(const printer_t *printer);
-
-
- extern char **pcl_parameters(const printer_t *printer, char *ppd_file,
- char *name, int *count);
- extern void pcl_imageable_area(const printer_t *printer, const vars_t *v,
- int *left, int *right,
- int *bottom, int *top);
- extern void pcl_limit(const printer_t *printer, const vars_t *v,
- int *width, int *length);
- extern void pcl_print(const printer_t *printer, int copies, FILE *prn,
- Image image, const vars_t *v);
- extern const char *pcl_default_resolution(const printer_t *printer);
-
-
- extern char **ps_parameters(const printer_t *printer, char *ppd_file,
- char *name, int *count);
- extern void ps_media_size(const printer_t *printer, const vars_t *v,
- int *width, int *length);
- extern void ps_imageable_area(const printer_t *printer, const vars_t *v,
- int *left, int *right,
- int *bottom, int *top);
- extern void ps_limit(const printer_t *printer, const vars_t *v,
- int *width, int *length);
- extern void ps_print(const printer_t *printer, int copies, FILE *prn,
- Image image, const vars_t *v);
- extern const char *ps_default_resolution(const printer_t *printer);
-
- extern const char *default_dither_algorithm(void);
-
- extern int known_papersizes(void);
- extern const papersize_t *get_papersizes(void);
- extern const papersize_t *get_papersize_by_name(const char *);
- extern const papersize_t *get_papersize_by_size(int l, int w);
-
- extern int known_printers(void);
- extern const printer_t *get_printers(void);
- extern const printer_t *get_printer_by_index(int);
- extern const printer_t *get_printer_by_long_name(const char *);
- extern const printer_t *get_printer_by_driver(const char *);
- extern int get_printer_index_by_driver(const char *);
-
- extern int num_dither_algos;
- extern char *dither_algo_names[];
- extern convert_t choose_colorfunc(int, int, const unsigned char *, int *,
- const vars_t *);
- extern void
- compute_page_parameters(int page_right, int page_left, int page_top,
- int page_bottom, double scaling, int image_width,
- int image_height, Image image, int *orientation,
- int *page_width, int *page_height, int *out_width,
- int *out_height, int *left, int *top);
-
- extern int
- verify_printer_params(const printer_t *, const vars_t *);
- extern const vars_t *print_default_settings(void);
- extern const vars_t *print_maximum_settings(void);
- extern const vars_t *print_minimum_settings(void);
-
- #ifdef QUANTIFY
- /* Used for performance analysis - to be called before and after
- * the interval to be quantified */
- #define NUM_QUANTIFY_BUCKETS 1024
- extern unsigned quantify_counts[NUM_QUANTIFY_BUCKETS];
- extern struct timeval quantify_buckets[NUM_QUANTIFY_BUCKETS];
- extern int quantify_high_index;
- extern int quantify_first_time;
- extern struct timeval quantify_cur_time;
- extern struct timeval quantify_prev_time;
-
- #define QUANT(number) \
- {\
- gettimeofday(&quantify_cur_time, NULL);\
- assert(number < NUM_QUANTIFY_BUCKETS);\
- quantify_counts[number]++;\
- \
- if (quantify_first_time) {\
- quantify_first_time = 0;\
- } else {\
- if (number > quantify_high_index) quantify_high_index = number;\
- if (quantify_prev_time.tv_usec > quantify_cur_time.tv_usec) {\
- quantify_buckets[number].tv_usec += ((quantify_cur_time.tv_usec + 1000000) - quantify_prev_time.tv_usec);\
- quantify_buckets[number].tv_sec += (quantify_cur_time.tv_sec - quantify_prev_time.tv_sec - 1);\
- } else {\
- quantify_buckets[number].tv_sec += quantify_cur_time.tv_sec - quantify_prev_time.tv_sec;\
- quantify_buckets[number].tv_usec += quantify_cur_time.tv_usec - quantify_prev_time.tv_usec;\
- }\
- if (quantify_buckets[number].tv_usec >= 1000000)\
- {\
- quantify_buckets[number].tv_usec -= 1000000;\
- quantify_buckets[number].tv_sec++;\
- }\
- }\
- \
- gettimeofday(&quantify_prev_time, NULL);\
- }
-
- extern void print_timers(void );
- #endif
-
- #endif /* PRINT_HEADER */
- /*
- * End of "$Id: print.h,v 1.15 2000/10/04 01:47:59 mitch Exp $".
- */
-