src/Fl_Device.cxx

   1 //
   2 // "$Id: Fl_Device.cxx 8504 2011-03-04 16:48:10Z manolo $"
   3 //
   4 // implementation of Fl_Device class for the Fast Light Tool Kit (FLTK).
   5 //
   6 // Copyright 2010-2011 by Bill Spitzak and others.
   7 //
   8 // This library is free software; you can redistribute it and/or
   9 // modify it under the terms of the GNU Library General Public
  10 // License as published by the Free Software Foundation; either
  11 // version 2 of the License, or (at your option) any later version.
  12 //
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 // Library General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU Library General Public
  19 // License along with this library; if not, write to the Free Software
  20 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  21 // USA.
  22 //
  23 // Please report all bugs and problems to:
  24 //
  25 //     http://www.fltk.org/str.php
  26 //
  27
  28 #include <FL/Fl.H>
  29 #include <FL/Fl_Device.H>
  30 #include <FL/Fl_Image.H>
  31
  32 const char *Fl_Device::class_id = "Fl_Device";
  33 const char *Fl_Surface_Device::class_id = "Fl_Surface_Device";
  34 const char *Fl_Display_Device::class_id = "Fl_Display_Device";
  35 const char *Fl_Graphics_Driver::class_id = "Fl_Graphics_Driver";
  36 #if defined(__APPLE__) || defined(FL_DOXYGEN)
  37 const char *Fl_Quartz_Graphics_Driver::class_id = "Fl_Quartz_Graphics_Driver";
  38 #endif
  39 #if defined(WIN32) || defined(FL_DOXYGEN)
  40 const char *Fl_GDI_Graphics_Driver::class_id = "Fl_GDI_Graphics_Driver";
  41 #endif
  42 #if !(defined(__APPLE__) || defined(WIN32))
  43 const char *Fl_Xlib_Graphics_Driver::class_id = "Fl_Xlib_Graphics_Driver";
  44 const char *Fl_Cairo_Graphics_Driver::class_id = "Fl_Cairo_Graphics_Driver";
  45 #endif
  46
  47
  48 Fl_Font Fl_Graphics_Driver::font_; // current font
  49 Fl_Fontsize Fl_Graphics_Driver::size_; // current font size
  50 Fl_Color Fl_Graphics_Driver::color_; // current color
  51 int Fl_Graphics_Driver::sptr = 0;
  52 //const int Fl_Graphics_Driver::matrix_stack_size = FL_MATRIX_STACK_SIZE;
  53 Fl_Graphics_Driver::matrix Fl_Graphics_Driver::stack[FL_MATRIX_STACK_SIZE];
  54 Fl_Graphics_Driver::matrix Fl_Graphics_Driver::m = m0;
  55 Fl_Graphics_Driver::matrix *Fl_Graphics_Driver::fl_matrix = &m; /**< Points to the current coordinate transformation matrix */
  56
  57 int Fl_Graphics_Driver::n = 0;
  58 int Fl_Graphics_Driver::p_size = 0;
  59 int Fl_Graphics_Driver::gap_ = 0;
  60 XPOINT *Fl_Graphics_Driver::p = 0;
  61 int Fl_Graphics_Driver::what = 0;
  62 int Fl_Graphics_Driver::fl_clip_state_number = 0;
  63 int Fl_Graphics_Driver::rstackptr = 0;
  64 //const int Fl_Graphics_Driver::region_stack_max = FL_REGION_STACK_SIZE - 1;
  65 Fl_Region Fl_Graphics_Driver::rstack[FL_REGION_STACK_SIZE];
  66
  67
  68 /** \brief Use this drawing surface for future graphics requests. */
  69 void Fl_Surface_Device::set_current(void)
  70 {
  71   fl_graphics_driver = _driver;
  72   _surface = this;
  73 }
  74
  75 const Fl_Graphics_Driver::matrix Fl_Graphics_Driver::m0 = {1, 0, 0, 1, 0, 0};
  76
  77 Fl_Graphics_Driver::Fl_Graphics_Driver() {
  78   /* font_ = 0; */
  79   /* size_ = 0; */
  80   /* sptr=0; rstackptr=0;  */
  81   /* fl_clip_state_number=0; */
  82   /* m = m0;  */
  83   /* fl_matrix = &m;  */
  84   /* p = (XPOINT *)0; */
  85   font_descriptor_ = NULL;
  86 };
  87
  88 void Fl_Graphics_Driver::text_extents(const char*t, int n, int& dx, int& dy, int& w, int& h)
  89 {
  90   w = (int)width(t, n);
  91   h = - height();
  92   dx = 0;
  93   dy = descent();
  94 }
  95
  96 Fl_Display_Device::Fl_Display_Device(Fl_Graphics_Driver *graphics_driver) : Fl_Surface_Device( graphics_driver ) {
  97 #ifdef __APPLE__
  98   SInt32 versionMajor = 0;
  99   SInt32 versionMinor = 0;
 100   SInt32 versionBugFix = 0;
 101   Gestalt( gestaltSystemVersionMajor, &versionMajor );
 102   Gestalt( gestaltSystemVersionMinor, &versionMinor );
 103   Gestalt( gestaltSystemVersionBugFix, &versionBugFix );
 104   fl_mac_os_version = versionMajor * 10000 + versionMinor * 100 + versionBugFix;
 105 #endif
 106 };
 107
 108
 109 //
 110 // End of "$Id: Fl_Device.cxx 8504 2011-03-04 16:48:10Z manolo $".
 111 //