Divided Fl_Printer.H into Fl_Printer.H + Fl_Abstract_Printer.H

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@7332 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 94 insertions, 0 deletions

diff --git a/FL/Fl_Abstract_Printer.H b/FL/Fl_Abstract_Printer.H
new file mode 100644
index 000000000..e5ca99cd2
--- /dev/null
+++ b/FL/Fl_Abstract_Printer.H
@@ -0,0 +1,94 @@
+//
+// "$Id: Fl_Abstract_Printer.H 7330 2010-03-25 13:59:00Z manolo $"
+//
+// Printing support for the Fast Light Tool Kit (FLTK).
+//
+// Copyright 2010 by Bill Spitzak and others.
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library 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
+// Library General Public License for more details.
+//
+// You should have received a copy of the GNU Library General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+// USA.
+//
+// Please report all bugs and problems on the following page:
+//
+//     http://www.fltk.org/str.php
+//
+
+/** \file Fl_Abstract_Printer.H 
+ \brief declaration of class Fl_Abstract_Printer.
+ */
+
+#ifndef Fl_Abstract_Printer_H
+#define Fl_Abstract_Printer_H
+
+#include <FL/Fl_Device.H>
+
+/**
+ \brief A virtual class for print support with several platform-specific implementations.
+ *
+ This class has no public constructor: don't instantiate it; use Fl_Printer or Fl_PSfile_Device instead.
+ */
+class Fl_Abstract_Printer : public Fl_Device {
+  friend class Fl_Pixmap;
+  friend class Fl_RGB_Image;
+  friend class Fl_Bitmap;
+private:
+#ifdef __APPLE__
+  struct chain_elt {
+    Fl_Image *image;
+    const uchar *data;
+    struct chain_elt *next;
+  };
+  void add_image(Fl_Image *image, const uchar *data); // adds an image to the page image list
+#endif
+  void traverse(Fl_Widget *widget); // finds subwindows of widget and prints them
+protected:
+  /** \brief horizontal offset to the origin of graphics coordinates */
+  int x_offset;
+  /** \brief vertical offset to the origin of graphics coordinates */
+  int y_offset;
+  /** \brief chained list of Fl_Image's used in this page */
+  struct chain_elt *image_list_; 
+  /** \brief the printer's graphics context, if there's one, NULL otherwise */
+  void *gc; 
+  /** \brief the constructor */
+  Fl_Abstract_Printer(void) { gc = NULL; bg_r_ = bg_g_ = bg_b_ = 0; };
+#ifdef __APPLE__
+  /** \brief deletes the page image list */
+  void delete_image_list(); 
+#endif
+public:
+  Fl_Device *set_current(void);
+  virtual int start_job(int pagecount, int *frompage = NULL, int *topage = NULL);
+  virtual int start_page(void);
+  virtual int printable_rect(int *w, int *h);
+  virtual void margins(int *left, int *top, int *right, int *bottom);
+  virtual void origin(int x, int y);
+  void origin(int *x, int *y);
+  virtual void scale(float scale_x, float scale_y);
+  virtual void rotate(float angle);
+  virtual void translate(int x, int y);
+  virtual void untranslate(void);
+  void print_widget(Fl_Widget* widget, int delta_x = 0, int delta_y = 0);
+  void print_window_part(Fl_Window *win, int x, int y, int w, int h, int delta_x = 0, int delta_y = 0);
+  virtual int end_page (void);
+  virtual void end_job (void);
+};
+
+#endif // Fl_Abstract_Printer_H
+
+//
+// End of "$Id$"
+//
+