1 /* === S Y N F I G ========================================================= */
3 ** \brief Template Header
5 ** $Id: workarea.h,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
10 ** This package is free software; you can redistribute it and/or
11 ** modify it under the terms of the GNU General Public License as
12 ** published by the Free Software Foundation; either version 2 of
13 ** the License, or (at your option) any later version.
15 ** This package is distributed in the hope that it will be useful,
16 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 ** General Public License for more details.
21 /* ========================================================================= */
23 /* === S T A R T =========================================================== */
25 #ifndef __SYNFIG_GTKMM_WORKAREA_H
26 #define __SYNFIG_GTKMM_WORKAREA_H
28 /* === H E A D E R S ======================================================= */
34 #include <ETL/smart_ptr>
37 #include <gtkmm/drawingarea.h>
38 #include <gtkmm/table.h>
39 #include <gtkmm/adjustment.h>
40 #include <gtkmm/ruler.h>
41 #include <gtkmm/image.h>
42 #include <gdkmm/pixbuf.h>
43 #include <gdkmm/cursor.h>
44 #include <gdkmm/device.h>
46 #include <synfig/time.h>
47 #include <synfig/vector.h>
48 #include <synfig/general.h>
49 #include <synfig/renddesc.h>
50 #include <synfig/canvas.h>
53 #include "duckmatic.h"
56 /* === M A C R O S ========================================================= */
58 /* === T Y P E D E F S ===================================================== */
60 /* === C L A S S E S & S T R U C T S ======================================= */
65 template <typename T_, typename C_=std::less<T_,T_> >
66 class dereferenced_compare
69 typedef etl::loose_handle<T_> first_argument_type;
70 typedef etl::loose_handle<T_> second_argument_type;
71 typedef bool result_type;
77 namespace synfigapp { class CanvasInterface; };
79 namespace synfig { class Layer; };
80 namespace Gtk { class Frame; };
85 class WorkAreaTarget_Full;
90 class WorkAreaRenderer;
94 friend class WorkArea;
97 DirtyTrap(WorkArea *work_area);
102 class WorkArea : public Gtk::Table, public Duckmatic
104 friend class WorkAreaTarget;
105 friend class WorkAreaTarget_Full;
106 friend class DirtyTrap;
107 friend class WorkAreaRenderer;
110 -- ** -- P U B L I C T Y P E S ---------------------------------------------
115 void insert_renderer(const etl::handle<WorkAreaRenderer> &x);
116 void insert_renderer(const etl::handle<WorkAreaRenderer> &x,int priority);
117 void erase_renderer(const etl::handle<WorkAreaRenderer> &x);
118 void resort_render_set();
130 -- ** -- P R I V A T E D A T A ---------------------------------------------
135 std::set<etl::handle<WorkAreaRenderer> > renderer_set_;
137 etl::handle<studio::AsyncRenderer> async_renderer;
140 etl::loose_handle<synfigapp::CanvasInterface> canvas_interface;
141 etl::handle<synfig::Canvas> canvas;
142 etl::loose_handle<studio::Instance> instance;
143 etl::loose_handle<studio::CanvasView> canvas_view;
146 Gtk::DrawingArea *drawing_area;
147 Gtk::Adjustment scrollx_adjustment;
148 Gtk::Adjustment scrolly_adjustment;
151 Gtk::Button *menubutton;
152 Gtk::Frame *drawing_frame;
154 GdkDevice* curr_input_device;
157 int w; //!< Width of the image (in pixels)
158 int h; //!< Height of the image (in pixels)
159 synfig::Real canvaswidth; //!< Width of the canvas
160 synfig::Real canvasheight; //!< Height of the canvas
161 synfig::Real pw; //!< The width of a pixel
162 synfig::Real ph; //!< The height of a pixel
163 float zoom; //!< Zoom factor
164 float prev_zoom; //!< Previous Zoom factor
165 synfig::Point window_tl; //!< The (theoretical) top-left corner of the view window
166 synfig::Point window_br; //!< The (theoretical) bottom-right corner of the view window
168 guint32 last_event_time;
171 //unsigned char *buffer;
174 synfig::ProgressCallback *progresscallback;
177 synfig::RendDesc desc;
179 //! This flag is set if the user is dragging the video window
180 /*! \see drag_point */
183 etl::handle<Duckmatic::Duck> clicked_duck;
184 etl::handle<Duckmatic::Duck> hover_duck;
186 //! When dragging the viewport, this is set to the origin of the drag
187 synfig::Point drag_point;
189 synfig::Point curr_point;
192 synfig::Point previous_focus;
194 //! This flag is set if the grid should be drawn
197 //! This flag is set if the guides should be drawn
204 //! This flag is set if the entire frame is rendered rather than using tiles
207 //Glib::RefPtr<Gdk::Pixbuf> pix_buf;
209 //! This vector holds all of the tiles for this image
210 std::vector< std::pair<Glib::RefPtr<Gdk::Pixbuf>,int> > tile_book;
212 //! This integer describes the total times that the work are has been refreshed
215 //! This list holds the queue of tiles that need to be rendered
216 //std::list<int> tile_queue;
220 gint render_idle_func_id;
222 //! The coordinates of the focus the last time a part of the screen was refreshed
223 synfig::Point last_focus_point;
229 bool dirty_trap_enabled;
231 int dirty_trap_queued;
236 etl::loose_handle<synfig::ValueNode> selected_value_node_;
240 -- ** -- P U B L I C D A T A -----------------------------------------------
245 const etl::loose_handle<synfig::ValueNode>& get_selected_value_node() { return selected_value_node_; }
246 const synfig::Point& get_drag_point()const { return drag_point; }
247 std::vector< std::pair<Glib::RefPtr<Gdk::Pixbuf>,int> >& get_tile_book(){ return tile_book; }
248 int get_refreshes()const { return refreshes; }
249 bool get_canceled()const { return canceled_; }
250 bool get_queued()const { return queued; }
251 bool get_rendering()const { return rendering; }
252 bool get_full_frame()const { return full_frame; }
253 //int get_w()const { return w; }
254 //int get_h()const { return h; }
256 int get_tile_w()const { return tile_w; }
257 int get_tile_h()const { return tile_h; }
264 bool allow_layer_clicks;
265 bool allow_duck_clicks;
267 GuideList::iterator curr_guide;
268 bool curr_guide_is_x;
271 -- ** -- P R I V A T E M E T H O D S ---------------------------------------
276 //unsigned char *get_buffer() { return buffer; }
277 bool set_wh(int w, int h,int chan=3);
279 int next_unrendered_tile(int refreshes)const;
280 int next_unrendered_tile()const { return next_unrendered_tile(refreshes); }
283 -- ** -- S I G N A L S -------------------------------------------------------
288 sigc::signal<void,GdkDevice* > signal_input_device_changed_;
290 //! One signal per button
291 sigc::signal<void,synfig::Point> signal_user_click_[5];
293 sigc::signal<void> signal_popup_menu_;
295 sigc::signal<void> signal_cursor_moved_;
296 sigc::signal<void> signal_rendering_;
298 sigc::signal<void> signal_onion_skin_changed_;
300 //! Signal for when the user clicks on a layer
301 sigc::signal<void, etl::handle<synfig::Layer> > signal_layer_selected_;
303 sigc::signal<void> signal_view_window_changed_;
307 sigc::signal<void>& signal_onion_skin_changed() { return signal_onion_skin_changed_; }
309 sigc::signal<void>& signal_rendering() { return signal_rendering_; }
311 sigc::signal<void>& signal_cursor_moved() { return signal_cursor_moved_; }
313 sigc::signal<void>& signal_view_window_changed() { return signal_view_window_changed_; }
314 void view_window_changed() { signal_view_window_changed()(); }
316 sigc::signal<void,GdkDevice* >& signal_input_device_changed() { return signal_input_device_changed_; }
318 sigc::signal<void> &signal_popup_menu() { return signal_popup_menu_; }
320 //! One signal per button (5 buttons)
321 sigc::signal<void,synfig::Point> &signal_user_click(int button=0){ return signal_user_click_[button]; }
323 sigc::signal<void, etl::handle<synfig::Layer> >& signal_layer_selected() { return signal_layer_selected_; }
326 -- ** -- P U B L I C M E T H O D S -----------------------------------------
330 void set_onion_skin(bool x);
331 bool get_onion_skin()const;
332 void toggle_onion_skin() { set_onion_skin(!get_onion_skin()); }
334 void set_selected_value_node(etl::loose_handle<synfig::ValueNode> x);
336 bool is_dragging() { return dragging!=DRAG_NONE; }
338 DragMode get_dragging_mode() { return dragging; }
340 WorkArea(etl::loose_handle<synfigapp::CanvasInterface> canvas_interface);
343 void set_cursor(const Gdk::Cursor& x);
344 void set_cursor(Gdk::CursorType x);
346 const synfig::Point& get_cursor_pos()const { return curr_point; }
348 Gtk::Adjustment *get_scrollx_adjustment() { return &scrollx_adjustment; }
349 Gtk::Adjustment *get_scrolly_adjustment() { return &scrolly_adjustment; }
350 const Gtk::Adjustment *get_scrollx_adjustment()const { return &scrollx_adjustment; }
351 const Gtk::Adjustment *get_scrolly_adjustment()const { return &scrolly_adjustment; }
353 void set_instance(etl::loose_handle<studio::Instance> x) { instance=x; }
354 void set_canvas(etl::handle<synfig::Canvas> x) { canvas=x; }
355 void set_canvas_view(etl::loose_handle<studio::CanvasView> x) { canvas_view=x; }
356 etl::handle<synfig::Canvas> get_canvas()const { return canvas; }
357 etl::handle<studio::Instance> get_instance()const { return instance; }
358 etl::loose_handle<studio::CanvasView> get_canvas_view()const { return canvas_view; }
360 void refresh_dimension_info();
362 //! Enables showing of the grid
365 //! Disables showing of the grid
368 //! Toggles the showing of the grid
371 //! Returns the state of the show_grid flag
372 bool grid_status()const { return show_grid; }
374 void toggle_grid_snap() { Duckmatic::toggle_grid_snap(); }
376 bool get_show_guides()const { return show_guides; }
377 void set_show_guides(bool x);
378 void toggle_show_guides() { set_show_guides(!get_show_guides()); }
380 bool get_low_resolution_flag()const { return low_resolution; }
381 void set_low_resolution_flag(bool x);
382 void toggle_low_resolution_flag();
387 //! Sets the size of the grid
388 void set_grid_size(const synfig::Vector &s);
393 int get_quality()const { return quality; }
395 void set_quality(int x);
398 int get_w()const { return w; }
399 int get_h()const { return h; }
400 int get_bpp()const { return bpp; }
403 const synfig::RendDesc &get_rend_desc()const { return desc; }
406 void set_rend_desc(const synfig::RendDesc &x) { desc=x; }
408 //! Converts screen coords (ie: pixels) to composition coordinates
409 synfig::Point screen_to_comp_coords(synfig::Point pos)const;
411 //! Converts composition coordinates to screen coords (ie: pixels)
412 synfig::Point comp_to_screen_coords(synfig::Point pos)const;
414 float get_pw()const { return pw; }
415 float get_ph()const { return ph; }
417 const synfig::Point &get_window_tl()const { return window_tl; }
418 const synfig::Point &get_window_br()const { return window_br; }
421 bool async_update_preview();
422 void async_update_finished();
423 void async_render_preview(synfig::Time time);
424 void async_render_preview();
426 bool sync_update_preview();
427 bool sync_render_preview(synfig::Time time);
428 bool sync_render_preview();
429 void sync_render_preview_hook();
431 void queue_render_preview();
434 void queue_draw_preview();
440 float get_zoom()const { return zoom; }
442 void set_zoom(float z);
445 void set_progress_callback(synfig::ProgressCallback *x) { progresscallback=x; }
446 synfig::ProgressCallback *get_progress_callback() { return progresscallback; }
448 void set_focus_point(const synfig::Point &x);
450 synfig::Point get_focus_point()const;
452 void done_rendering();
454 bool refresh(GdkEventExpose*bleh=NULL);
457 void refresh_cursor();
459 void save_meta_data();
460 void load_meta_data();
463 -- ** -- S I G N A L T E R M I N A L S -------------------------------------
467 bool on_key_press_event(GdkEventKey* event);
468 bool on_drawing_area_event(GdkEvent* event);
469 bool on_hruler_event(GdkEvent* event);
470 bool on_vruler_event(GdkEvent* event);
473 -- ** -- S T A T I C P U B L I C M E T H O D S ---------------------------
479 -- ** -- S T A T I C P R I V A T E M E T H O D S -------------------------
484 static gboolean __render_preview(gpointer data);
486 }; // END of class WorkArea
488 }; // END of namespace studio
490 /* === E N D =============================================================== */