source/texk/web2c/luatexdir/pdf/pdfsetmatrix.h

   1 /* pdfsetmatrix.h
   2
   3    Copyright 2009 Taco Hoekwater <taco@luatex.org>
   4
   5    This file is part of LuaTeX.
   6
   7    LuaTeX is free software; you can redistribute it and/or modify it under
   8    the terms of the GNU General Public License as published by the Free
   9    Software Foundation; either version 2 of the License, or (at your
  10    option) any later version.
  11
  12    LuaTeX is distributed in the hope that it will be useful, but WITHOUT
  13    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  15    License for more details.
  16
  17    You should have received a copy of the GNU General Public License along
  18    with LuaTeX; if not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #ifndef PDFSETMATRIX_H
  22 #  define PDFSETMATRIX_H
  23
  24 #  define set_pdf_setmatrix_data(A,B) pdf_setmatrix_data(A)=B
  25
  26 typedef struct {
  27     double a;
  28     double b;
  29     double c;
  30     double d;
  31     double e;
  32     double f;
  33 } matrix_entry;
  34
  35 extern matrix_entry *matrix_stack;
  36 extern int matrix_stack_size;
  37 extern int matrix_stack_used;
  38
  39 scaled getllx(void);
  40 scaled getlly(void);
  41 scaled geturx(void);
  42 scaled getury(void);
  43 void matrixtransformpoint(scaled x, scaled y);
  44 void matrixtransformrect(scaled llx, scaled lly, scaled urx, scaled ury);
  45 boolean matrixused(void);
  46 void matrixrecalculate(scaled urx);
  47
  48 extern void pdf_out_setmatrix(PDF pdf, halfword p);
  49
  50 #endif