4 * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 #include "mwindow.inc"
29 #include "videodevice.inc"
30 // Output for all X11 video
32 // The EDL arguments can be set to 0 if the canvas_w and canvas_h are used
36 Canvas(MWindow *mwindow, BC_WindowBase *subwindow,
37 int x, int y, int w, int h,
38 int output_w, int output_h,
43 // Get dimensions given a zoom
44 void calculate_sizes(float aspect_ratio,
45 int output_w, int output_h, float zoom,
47 // Lock canvas pointer and window
48 BC_WindowBase *lock_canvas(const char *loc);
51 void create_objects(EDL *edl);
52 void set_cursor(int cursor);
53 // Start video playback
57 // Start single frame processing. Causes the status indicator to update
61 void start_fullscreen();
62 void stop_fullscreen();
64 // Don't call from inside the canvas
69 // Processing or video playback changed.
70 virtual void status_event() {};
73 virtual void reset_camera() {}
74 virtual void reset_projector() {}
75 virtual void camera_keyframe() {}
76 virtual void projector_keyframe() {}
77 virtual void zoom_resize_window(float percentage) {}
78 virtual void zoom_auto() {}
79 virtual int cursor_leave_event() { return 0; }
80 virtual int cursor_enter_event() { return 0; }
81 virtual int button_release_event() { return 0; }
82 virtual int button_press_event();
83 virtual int cursor_motion_event() { return 0; }
84 virtual int need_overlays() { return 1; }
85 virtual void draw_overlays() {}
86 virtual void toggle_controls() {}
87 virtual int get_cwindow_controls() { return 0; }
88 virtual int get_fullscreen();
89 virtual int get_clear_color() { return 0; }
90 virtual void set_fullscreen(int value);
92 int cursor_leave_event_base(BC_WindowBase *caller);
93 int cursor_enter_event_base(BC_WindowBase *caller);
94 int button_press_event_base(BC_WindowBase *caller);
95 int keypress_event(BC_WindowBase *caller);
96 // Use menu different options for different windows
100 void use_auxwindow(BC_WindowBase *aux);
102 // Provide canvas dimensions since a BC_Bitmap containing obsolete dimensions
103 // is often the output being transferred to.
104 // This gets the input coordinates on the device output_frame
105 // and the corresponding output coordinates on the canvas.
106 // Must be floating point to support OpenGL.
107 void get_transfers(EDL *edl,
116 // passing -1 causes automatic size detection
119 void update_geometry(EDL *edl, int x, int y, int w, int h);
120 void reposition_window(EDL *edl, int x, int y, int w, int h);
121 virtual void reset_translation() {};
122 virtual void close_source() {};
123 // Updates the stores
124 virtual void update_zoom(int x, int y, float zoom) {};
125 void check_boundaries(EDL *edl, int &x, int &y, float &zoom);
126 void update_scrollbars(int flush);
127 // Get scrollbar positions relative to output.
128 // No correction is done if output is smaller than canvas
129 virtual int get_xscroll() { return 0; };
130 virtual int get_yscroll() { return 0; };
131 virtual float get_zoom() { return 0; };
132 // Updates the refresh_frame
133 void update_refresh(VideoDevice *device, VFrame *output_frame);
134 // Redraws the refresh_frame
135 virtual void draw_refresh(int flush = 1) {};
136 virtual void clear(int flash=1);
138 // Get top left offset of canvas relative to output.
139 // Normally negative. Can be positive if output is smaller than canvas.
140 float get_x_offset(EDL *edl,
145 float get_y_offset(EDL *edl,
150 void get_zooms(EDL *edl,
158 // Convert coord from output to canvas position, including
159 // x and y scroll offsets
160 void output_to_canvas(EDL *edl, int single_channel, float &x, float &y);
161 // Convert coord from canvas to output position
162 void canvas_to_output(EDL *edl, int single_channel, float &x, float &y);
164 // Get dimensions of frame being sent to canvas
165 virtual int get_output_w(EDL *edl);
166 virtual int get_output_h(EDL *edl);
167 // Get if scrollbars exist
168 int scrollbars_exist();
169 // Get cursor locations relative to canvas and not offset by scrollbars
172 int get_buttonpress();
173 // Gets whatever video surface is enabled
174 BC_WindowBase* get_canvas();
175 // draw_refresh, with/without locks
176 int refresh(int flush);
177 int redraw(int flush);
179 // The owner of the canvas
180 BC_WindowBase *subwindow;
181 // Video surface if a subwindow
182 CanvasOutput *canvas_subwindow;
183 // Video surface if fullscreen
184 CanvasFullScreen *canvas_fullscreen;
185 CanvasXScroll *xscroll;
186 CanvasYScroll *yscroll;
187 CanvasPopup *canvas_menu;
188 CanvasFullScreenPopup *fullscreen_menu;
191 BC_WindowBase *canvas_auxwindow;
192 // Used in record monitor
193 int output_w, output_h;
194 // Last frame played is stored here in driver format for
196 VFrame *refresh_frame;
197 // Results from last get_scrollbars
202 // For cases where video is not enabled on the canvas but processing is
203 // occurring for a single frame, this causes the status to update.
206 // Cursor is inside video surface
218 void get_scrollbars(EDL *edl,
219 int &canvas_x, int &canvas_y, int &canvas_w, int &canvas_h);
220 // Lock access to the canvas pointer.
221 Condition *canvas_lock;
225 class CanvasOutput : public BC_SubWindow
228 CanvasOutput(Canvas *canvas,
229 int x, int y, int w, int h);
232 int cursor_leave_event();
233 int cursor_enter_event();
234 int button_press_event();
235 int button_release_event();
236 int cursor_motion_event();
237 int keypress_event();
245 class CanvasFullScreen : public BC_FullScreen
248 CanvasFullScreen(Canvas *canvas, int w, int h);
257 class CanvasXScroll : public BC_ScrollBar
260 CanvasXScroll(EDL *edl,
275 class CanvasYScroll : public BC_ScrollBar
278 CanvasYScroll(EDL *edl,
294 class CanvasFullScreenPopup : public BC_PopupMenu
297 CanvasFullScreenPopup(Canvas *canvas);
299 void create_objects();
305 class CanvasSubWindowItem : public BC_MenuItem
308 CanvasSubWindowItem(Canvas *canvas);
313 class CanvasPopup : public BC_PopupMenu
316 CanvasPopup(Canvas *canvas);
319 void create_objects();
325 CanvasToggleControls *toggle_controls;
328 class CanvasZoomSize : public BC_MenuItem
331 CanvasZoomSize(Canvas *canvas);
336 class CanvasSizeSubMenu : public BC_SubMenu
339 CanvasSizeSubMenu(CanvasZoomSize *zoom_size);
341 CanvasZoomSize *zoom_size;
344 class CanvasPopupSize : public BC_MenuItem
347 CanvasPopupSize(Canvas *canvas, char *text, float percentage);
354 class CanvasPopupAuto : public BC_MenuItem
357 CanvasPopupAuto(Canvas *canvas);
362 class CanvasPopupResetCamera : public BC_MenuItem
365 CanvasPopupResetCamera(Canvas *canvas);
370 class CanvasPopupResetProjector : public BC_MenuItem
373 CanvasPopupResetProjector(Canvas *canvas);
378 class CanvasPopupCameraKeyframe : public BC_MenuItem
381 CanvasPopupCameraKeyframe(Canvas *canvas);
386 class CanvasPopupProjectorKeyframe : public BC_MenuItem
389 CanvasPopupProjectorKeyframe(Canvas *canvas);
394 class CanvasToggleControls : public BC_MenuItem
397 CanvasToggleControls(Canvas *canvas);
399 static char* calculate_text(int cwindow_controls);
403 class CanvasFullScreenItem : public BC_MenuItem
406 CanvasFullScreenItem(Canvas *canvas);
411 class CanvasPopupResetTranslation : public BC_MenuItem
414 CanvasPopupResetTranslation(Canvas *canvas);
420 class CanvasPopupRemoveSource : public BC_MenuItem
423 CanvasPopupRemoveSource(Canvas *canvas);