/*-------------------------------------------------------------------- * $Id: pslib_inc.h,v 1.39 2007/08/03 04:15:42 guru Exp $ * * Copyright (c) 1991-2007 by P. Wessel and W. H. F. Smith * See COPYING file for copying and redistribution conditions. * * 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; version 2 of the License. * * 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. * * Contact info: gmt.soest.hawaii.edu *--------------------------------------------------------------------*/ /* * This include file is only included in pslib.c. Calling programs must * include file pslib.h * * Author: Paul Wessel * Date: 02-AUG-2007 * Version: 4.2 */ #ifndef _PSLIB_INC_H #define _PSLIB_INC_H /* PSL is POSIX COMPLIANT */ #define _POSIX_SOURCE 1 /* Declaration modifiers for DLL support (MSC et al) */ #if defined(DLL_PSL) /* define when library is a DLL */ #if defined(DLL_EXPORT) /* define when building the library */ #define MSC_EXTRA_PSL __declspec(dllexport) #else #define MSC_EXTRA_PSL __declspec(dllimport) #endif #else #define MSC_EXTRA_PSL #endif /* defined(DLL_PSL) */ #ifndef EXTERN_MSC #define EXTERN_MSC extern MSC_EXTRA_PSL #endif /* So unless DLL_PSL is defined, EXTERN_MSC is simply extern */ /*-------------------------------------------------------------------- * SYSTEM HEADER FILES *--------------------------------------------------------------------*/ #include #include #include #include #include #ifdef __MACHTEN__ /* Kludge to fix a Machten POSIX bug */ #include #endif #include #include #include #include #include "gmt_notunix.h" #include "gmt_math.h" #ifndef WIN32 #include #endif typedef int BOOLEAN; /* BOOLEAN used for logical variables */ /*-------------------------------------------------------------------- * STANDARD CONSTANTS MACRO DEFINITIONS *--------------------------------------------------------------------*/ #ifndef TRUE #define TRUE 1 #endif #ifndef FALSE #define FALSE 0 #endif #ifndef M_PI #define M_PI 3.14159265358979323846 #endif #ifndef R2D #define R2D (180.0/M_PI) #endif #ifndef D2R #define D2R (M_PI/180.0) #endif #ifndef M_SQRT2 #define M_SQRT2 1.41421356237309504880 #endif #define VNULL ((void *)NULL) #ifndef CNULL #define CNULL (char *)NULL #endif #ifndef MIN #define MIN(x, y) (((x) < (y)) ? (x) : (y)) #endif #ifndef MAX #define MAX(x, y) (((x) > (y)) ? (x) : (y)) #endif #ifndef irint #define irint(x) ((int)rint(x)) #endif /*-------------------------------------------------------------------- * PSL CONSTANTS MACRO DEFINITIONS *--------------------------------------------------------------------*/ #define PSL_Version "4.2" #define PSL_SMALL 1.0e-10 #define PSL_MAX_L1_PATH 1000 /* Max path length in Level 1 implementations */ #define PSL_INV_255 (1.0 / 255.0) #define PSL_N_PATTERNS 91 /* Current number of predefined patterns + 1, # 91 is user-supplied */ #define PSL_PAGE_HEIGHT_IN_PTS 842 /* A4 height */ #define PSL_RGB 0 #define PSL_CMYK 1 #define PSL_HSV 2 /*-------------------------------------------------------------------- * PSL FUNCTION MACRO DEFINITIONS *--------------------------------------------------------------------*/ #define PSL_YIQ(rgb) irint (0.299 * (rgb[0]) + 0.587 * (rgb[1]) + 0.114 * (rgb[2])) /* How B/W TV's convert RGB to Gray */ #define PSL_iscolor(rgb) (rgb[0] != rgb[1] || rgb[1] != rgb[2]) /*-------------------------------------------------------------------- * PSL PARAMETERS DEFINITIONS *--------------------------------------------------------------------*/ /* Single, global structure used internally by pslib */ struct PSL { struct INIT { /* Parameters set by user via ps_plotinit() */ char *file; /* Name of output file (NULL means stdout) */ char *encoding; /* The encoding name. e.g. ISO-8859-1 */ int overlay; /* TRUE skips writing the PS header section */ int mode; /* 32 bit-flags, used as follows: bit 0 : 0 = Landscape, 1 = Portrait, bit 1 : 0 = be silent, 1 = be verbose bit 2 : 0 = bin image, 1 = hex image bit 3 : 0 = rel positions, 1 = abs positions bit 9-10 : 0 = RGB color, 1 = CMYK color, 2 = HSV color bits 12-13 : 0 = no compression, 1 = RLE compression, 2 = LZW compression bits 14-15 : (0,1,2) sets the line cap setting bits 16-17 : (0,1,2) sets the line miter setting bits 18-25 : (8 bits) sets the miter limit bit 31 : 0 = write no comments, 1 = write PS comments to PS file */ int unit; /* 0 = cm, 1 = inch, 2 = meter */ int copies; /* Number of copies for this plot */ int page_rgb[3]; /* RGB color for bacground paper [white] */ int page_size[2]; /* Width and height of paper used in points */ int dpi; /* Selected dots per inch */ double magnify[2]; /* Global scale values [1/1] */ double origin[2]; /* Origin offset [1/1] */ struct EPS *eps; /* structure with Document info */ } init; struct CURRENT { /* Variables and settings that changes via ps_* calls */ char texture[512]; /* Current setdash pattern */ char bw_format[8]; /* Format used for grayshade value */ char rgb_format[64]; /* Same, for RGB color triplets */ char hsv_format[64]; /* Same, for HSV color triplets (HSB in PS) */ char cmyk_format[64]; /* Same, for CMYK color quadruples */ int font_no; /* Current font number */ int linewidth; /* Current pen thickness */ int rgb[3]; /* Current paint */ int offset; /* Current setdash offset */ } current; struct INTERNAL { /* Variables used internally only */ char *SHAREDIR; /* Pointer to path of directory with pslib subdirectory */ char *USERDIR; /* Pointer to path of directory with user definitions (~/.gmt) */ char *user_image[PSL_N_PATTERNS]; /* Name of user patterns */ char paint_code[12]; /* Shorthands for setgray, setrgbcolor etc */ BOOLEAN verbose; /* TRUE for verbose output, FALSE remains quiet */ BOOLEAN comments; /* TRUE for writing comments to output, FALSE strips all comments */ BOOLEAN landscape; /* TRUE = Landscape, FALSE = Portrait */ BOOLEAN text_init; /* TRUE after PSL_text.ps has been loaded */ int ascii; /* TRUE writes images in ascii, FALSE uses binary */ int absolute; /* TRUE will reset origin, FALSE means relative position */ int eps_format; /* TRUE makes EPS file, FALSE means PS file */ int N_FONTS; /* Total no of fonts; To add more, modify the file CUSTOM_font_info.d */ int compress; /* Compresses images with (1) RLE or (2) LZW or (0) None */ int color_mode; /* 0 = rgb, 1 = cmyk, 2 = hsv (only 1-2 for images) */ int line_cap; /* 0, 1, or 2 for butt, round, or square [butt] */ int line_join; /* 0, 1, or 2 for miter, arc, or bevel [miter] */ int miter_limit; /* Acute angle threshold 0-180; 0 means PS default [0] */ int bb[4]; /* Boundingbox arguments */ int ix, iy; /* Absolute coordinates of last point */ int npath; /* Length of current unstroked path */ int split; /* 1 if last ps_line had to split path */ int p_width; /* Paper width in points, set in plotinit(); */ int p_height; /* Paper height in points, set in plotinit(); */ int max_path_length; /* Maximum path length encountered during execution */ int clip_path_length; /* Current length of clip path */ int length; /* Image row output byte counter */ int n_userimages; /* Number of specified custom patterns */ double scale; /* Must be set through plotinit(); */ double points_pr_unit; /* # of points pr measure unit (e.g., 72/inch */ FILE *fp; /* PS output file pointer. NULL = stdout */ struct PSL_FONT { char *name; /* Name of this font */ double height; /* Height of A for unit fontsize */ BOOLEAN encoded; /* TRUE if we never should reencode this font (e.g. symbols) */ /* This is also changed to TRUE after we do reencode a font */ } *font; /* Pointer to array of font structures */ struct PSL_PATTERN { int status, nx, ny, depth, dpi, f_rgb[3], b_rgb[3]; } pattern[PSL_N_PATTERNS*2]; } internal; } *PSL; #endif /* _PSLIB_INC_H */