/* This is dvipdfmx, an eXtended version of dvipdfm by Mark A. Wicks. Copyright (C) 2002-2020 by Jin-Hwan Cho and Shunsaku Hirata, the dvipdfmx project team. Copyright (C) 1998, 1999 by Mark A. Wicks 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. */ #ifndef _PDF_DRAW_H_ #define _PDF_DRAW_H_ #include "pdfcolor.h" #include "pdfdev.h" #define PDF_DASH_SIZE_MAX 16 #define PDF_GSAVE_MAX 256 extern void pdf_dev_init_gstates (void); extern void pdf_dev_clear_gstates (void); #define pdf_copymatrix(m,n) do {\ (m)->a = (n)->a; (m)->b = (n)->b;\ (m)->c = (n)->c; (m)->d = (n)->d;\ (m)->e = (n)->e; (m)->f = (n)->f;\ } while (0) #define pdf_setmatrix(m,p,q,r,s,t,u) do {\ (m)->a = (p); (m)->b = (q);\ (m)->c = (r); (m)->d = (s);\ (m)->e = (t); (m)->f = (u);\ } while (0) /* m -> n x m */ #define pdf_concatmatrix(m,n) do {\ double _tmp_a, _tmp_b, _tmp_c, _tmp_d; \ _tmp_a = (m)->a; _tmp_b = (m)->b; \ _tmp_c = (m)->c; _tmp_d = (m)->d; \ (m)->a = ((n)->a) * _tmp_a + ((n)->b) * _tmp_c; \ (m)->b = ((n)->a) * _tmp_b + ((n)->b) * _tmp_d; \ (m)->c = ((n)->c) * _tmp_a + ((n)->d) * _tmp_c; \ (m)->d = ((n)->c) * _tmp_b + ((n)->d) * _tmp_d; \ (m)->e += ((n)->e) * _tmp_a + ((n)->f) * _tmp_c; \ (m)->f += ((n)->e) * _tmp_b + ((n)->f) * _tmp_d; \ } while (0) typedef struct pdf_path_ pdf_path; extern int pdf_dev_currentmatrix (pdf_tmatrix *M); extern int pdf_dev_currentpoint (pdf_coord *cp); extern int pdf_dev_setlinewidth (double width); extern int pdf_dev_setmiterlimit (double mlimit); extern int pdf_dev_setlinecap (int style); extern int pdf_dev_setlinejoin (int style); extern int pdf_dev_setdash (int count, double *pattern, double offset); #if 0 extern int pdf_dev_setflat (int flatness); #endif /* Path Construction */ extern int pdf_dev_moveto (double x , double y); extern int pdf_dev_rmoveto (double x , double y); extern int pdf_dev_closepath (void); extern int pdf_dev_lineto (double x0 , double y0); extern int pdf_dev_rlineto (double x0 , double y0); extern int pdf_dev_curveto (double x0 , double y0, double x1 , double y1, double x2 , double y2); extern int pdf_dev_vcurveto (double x0 , double y0, double x1 , double y1); extern int pdf_dev_ycurveto (double x0 , double y0, double x1 , double y1); extern int pdf_dev_rcurveto (double x0 , double y0, double x1 , double y1, double x2 , double y2); extern int pdf_dev_arc (double c_x, double c_y, double r, double a_0, double a_1); extern int pdf_dev_arcn (double c_x, double c_y, double r, double a_0, double a_1); #define PDF_FILL_RULE_NONZERO 0 #define PDF_FILL_RULE_EVENODD 1 extern int pdf_dev_newpath (void); /* Path Painting */ extern int pdf_dev_clip (void); extern int pdf_dev_eoclip (void); #if 0 extern int pdf_dev_rectstroke (double x, double y, double w, double h, const pdf_tmatrix *M /* optional */ ); #endif extern int pdf_dev_rectfill (double x, double y, double w, double h); extern int pdf_dev_rectclip (double x, double y, double w, double h); extern int pdf_dev_rectadd (double x, double y, double w, double h); extern int pdf_dev_flushpath (char p_op, int fill_rule); extern int pdf_dev_concat (const pdf_tmatrix *M); /* NULL pointer of M mean apply current transformation */ extern void pdf_dev_dtransform (pdf_coord *p, const pdf_tmatrix *M); extern void pdf_dev_idtransform (pdf_coord *p, const pdf_tmatrix *M); extern void pdf_dev_transform (pdf_coord *p, const pdf_tmatrix *M); #if 0 extern void pdf_dev_itransform (pdf_coord *p, const pdf_tmatrix *M); #endif extern int pdf_dev_gsave (void); extern int pdf_dev_grestore (void); /* Requires from mpost.c because new MetaPost graphics must initialize * the current gstate. */ extern int pdf_dev_push_gstate (void); extern int pdf_dev_pop_gstate (void); /* extension */ extern int pdf_dev_arcx (double c_x, double c_y, double r_x, double r_y, double a_0, double a_1, int a_d, /* arc direction */ double xar /* x-axis-rotation */ ); extern int pdf_dev_bspline (double x0, double y0, double x1, double y1, double x2, double y2); extern void pdf_invertmatrix (pdf_tmatrix *M); /* The depth here is the depth of q/Q nesting. * We must remember current depth of nesting when starting a page or xform, * and must recover until that depth at the end of page/xform. */ extern int pdf_dev_current_depth (void); extern void pdf_dev_grestore_to (int depth); #if 0 extern int pdf_dev_currentcolor (pdf_color *color, int is_fill); #endif extern void pdf_dev_set_fixed_point (double x, double y); extern void pdf_dev_get_fixed_point (pdf_coord *p); extern void pdf_dev_set_color (const pdf_color *color, char mask, int force); #define pdf_dev_set_strokingcolor(c) pdf_dev_set_color(c, 0, 0); #define pdf_dev_set_nonstrokingcolor(c) pdf_dev_set_color(c, 0x20, 0); extern void pdf_dev_xgstate_push (pdf_obj *object); extern void pdf_dev_xgstate_pop (void); extern int pdf_dev_reset_xgstate (int force); #endif /* _PDF_DRAW_H_ */