New files.

2 files changed, 102 insertions, 0 deletions

diff --git a/src/include/color.h b/src/include/color.h
new file mode 100644
index 00000000..bd54be4d
--- /dev/null
+++ b/src/include/color.h
@@ -0,0 +1,75 @@
+// -*- C++ -*-
+/* Copyright (C) 2001 Free Software Foundation, Inc.
+     Written by Gaius Mulley <gaius@glam.ac.uk>
+
+This file is part of groff.
+
+groff 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, or (at your option) any later
+version.
+
+groff 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 groff; see the file COPYING.  If not, write to the Free Software
+Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+
+enum color_scheme {NONE, CMY, CMYK, RGB, GRAY};
+
+// colors are internally held as CMYK values.
+
+class color {
+private:
+  unsigned int cyan;
+  unsigned int magenta;
+  unsigned int yellow;
+  unsigned int black;
+  color_scheme scheme;		// how was the color originally defined?
+  // and now the data structures necessary for the state machine
+  // inside the read routines
+  unsigned int color_space_num;	// how many numbers have been read?
+  enum {REAL, HEX, UNDEFINED} encoding;
+  unsigned int hex_length;
+  unsigned int c[4];
+  double d[4];
+
+  int read_encoding(const char *s, unsigned int n);
+
+ public:
+  enum {MAX_COLOR_VAL = 0xffff};
+  color();
+  int is_equal(color *c);
+  int is_gray (void);
+
+  void set_rgb(unsigned int r, unsigned int g, unsigned int b);
+  void set_cmy(unsigned int c, unsigned int m, unsigned int y);
+  void set_cmyk(unsigned int c, unsigned int m,
+		unsigned int y, unsigned int k);
+  void set_gray(unsigned int l);
+	  
+  void set_rgb(double r, double g, double b);
+  void set_cmy(double c, double m, double y);
+  void set_cmyk(double c, double m, double y, double k);
+  void set_gray(double l);
+	  
+  int read_rgb(const char *s);
+  int read_cmy(const char *s);
+  int read_cmyk(const char *s);
+  int read_gray(const char *s);
+
+  void get_rgb(unsigned int *r, unsigned int *g, unsigned int *b);
+  void get_cmy(unsigned int *c, unsigned int *m, unsigned int *y);
+  void get_cmyk(unsigned int *c, unsigned int *m,
+		unsigned int *y, unsigned int *k);
+  void get_gray(unsigned int *l);
+
+  void get_rgb(double *r, double *g, double *b);
+  void get_cmy(double *c, double *m, double *y);
+  void get_cmyk(double *c, double *m, double *y, double *k);
+  void get_gray(double *l);
+};
diff --git a/src/include/geometry.h b/src/include/geometry.h
new file mode 100644
index 00000000..d425f157
--- /dev/null
+++ b/src/include/geometry.h
@@ -0,0 +1,27 @@
+// -*- C++ -*-
+/* Copyright (C) 2001 Free Software Foundation, Inc.
+     Written by Gaius Mulley <gaius@glam.ac.uk>
+
+This file is part of groff.
+
+groff 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, or (at your option) any later
+version.
+
+groff 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 groff; see the file COPYING.  If not, write to the Free Software
+Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+int adjust_arc_center(const int *, double *);
+void check_output_arc_limits(int x, int y,
+			     int xv1, int yv1,
+			     int xv2, int yv2,
+			     double c0, double c1,
+			     int *minx, int *maxx,
+			     int *miny, int *maxy);