Better device hierarchy with surfaces and graphics drivers.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@7617 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 92 insertions, 0 deletions

diff --git a/FL/Fl_Paged_Device.H b/FL/Fl_Paged_Device.H
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+++ b/FL/Fl_Paged_Device.H
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+//
+// "$Id: Fl_Paged_Device.H 7556 2010-04-27 21:33:44Z 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_Paged_Device.H 
+ \brief declaration of class Fl_Paged_Device.
+ */
+
+#ifndef Fl_Paged_Device_H
+#define Fl_Paged_Device_H
+
+#include <FL/Fl_Device.H>
+
+/**
+ \brief Represents page-structured drawing surfaces.
+ *
+ This class has no public constructor: don't instantiate it; use Fl_Printer 
+ or Fl_PostScript_File_Device instead.
+ */
+class Fl_Paged_Device : public Fl_Surface_Device {
+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_; 
+#ifdef __APPLE__
+  /** \brief deletes the page image list */
+  void delete_image_list(); 
+#endif
+  /** \brief The constructor */
+  Fl_Paged_Device() : Fl_Surface_Device(NULL) {type_ = device_type;};
+  /** \brief The destructor */
+  virtual ~Fl_Paged_Device() {};
+public:
+  static const char *device_type;
+  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_Paged_Device_H
+
+//
+// End of "$Id: Fl_Paged_Device.H 7556 2010-04-27 21:33:44Z manolo $"
+//
+