95 lines
3.1 KiB
C++
95 lines
3.1 KiB
C++
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// "$Id: Fl_Abstract_Printer.H 7330 2010-03-25 13:59:00Z manolo $"
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//
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// Printing support for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 2010 by Bill Spitzak and others.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// USA.
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//
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// Please report all bugs and problems on the following page:
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//
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// http://www.fltk.org/str.php
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//
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/** \file Fl_Abstract_Printer.H
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\brief declaration of class Fl_Abstract_Printer.
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*/
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#ifndef Fl_Abstract_Printer_H
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#define Fl_Abstract_Printer_H
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#include <FL/Fl_Device.H>
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/**
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\brief A virtual class for print support with several platform-specific implementations.
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*
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This class has no public constructor: don't instantiate it; use Fl_Printer or Fl_PSfile_Device instead.
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*/
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class Fl_Abstract_Printer : public Fl_Device {
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friend class Fl_Pixmap;
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friend class Fl_RGB_Image;
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friend class Fl_Bitmap;
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private:
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#ifdef __APPLE__
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struct chain_elt {
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Fl_Image *image;
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const uchar *data;
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struct chain_elt *next;
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};
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void add_image(Fl_Image *image, const uchar *data); // adds an image to the page image list
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#endif
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void traverse(Fl_Widget *widget); // finds subwindows of widget and prints them
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protected:
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/** \brief horizontal offset to the origin of graphics coordinates */
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int x_offset;
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/** \brief vertical offset to the origin of graphics coordinates */
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int y_offset;
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/** \brief chained list of Fl_Image's used in this page */
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struct chain_elt *image_list_;
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/** \brief the printer's graphics context, if there's one, NULL otherwise */
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void *gc;
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/** \brief the constructor */
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Fl_Abstract_Printer(void) { gc = NULL; bg_r_ = bg_g_ = bg_b_ = 0; };
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#ifdef __APPLE__
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/** \brief deletes the page image list */
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void delete_image_list();
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#endif
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public:
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Fl_Device *set_current(void);
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virtual int start_job(int pagecount, int *frompage = NULL, int *topage = NULL);
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virtual int start_page(void);
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virtual int printable_rect(int *w, int *h);
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virtual void margins(int *left, int *top, int *right, int *bottom);
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virtual void origin(int x, int y);
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void origin(int *x, int *y);
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virtual void scale(float scale_x, float scale_y);
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virtual void rotate(float angle);
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virtual void translate(int x, int y);
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virtual void untranslate(void);
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void print_widget(Fl_Widget* widget, int delta_x = 0, int delta_y = 0);
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void print_window_part(Fl_Window *win, int x, int y, int w, int h, int delta_x = 0, int delta_y = 0);
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virtual int end_page (void);
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virtual void end_job (void);
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};
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#endif // Fl_Abstract_Printer_H
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//
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// End of "$Id$"
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//
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