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 void set_fullscreen(int value);
91 int cursor_leave_event_base(BC_WindowBase *caller);
92 int cursor_enter_event_base(BC_WindowBase *caller);
93 int button_press_event_base(BC_WindowBase *caller);
94 int keypress_event(BC_WindowBase *caller);
95 // Use menu different options for different windows
99 void use_auxwindow(BC_WindowBase *aux);
101 // Provide canvas dimensions since a BC_Bitmap containing obsolete dimensions
102 // is often the output being transferred to.
103 // This gets the input coordinates on the device output_frame
104 // and the corresponding output coordinates on the canvas.
105 // Must be floating point to support OpenGL.
106 void get_transfers(EDL *edl,
115 // passing -1 causes automatic size detection
118 void update_geometry(EDL *edl, int x, int y, int w, int h);
119 void reposition_window(EDL *edl, int x, int y, int w, int h);
120 virtual void reset_translation() {};
121 virtual void close_source() {};
122 // Updates the stores
123 virtual void update_zoom(int x, int y, float zoom) {};
124 void check_boundaries(EDL *edl, int &x, int &y, float &zoom);
125 void update_scrollbars(int flush);
126 // Get scrollbar positions relative to output.
127 // No correction is done if output is smaller than canvas
128 virtual int get_xscroll() { return 0; };
129 virtual int get_yscroll() { return 0; };
130 virtual float get_zoom() { return 0; };
131 // Updates the refresh_frame
132 void update_refresh(VideoDevice *device, VFrame *output_frame);
133 // Redraws the refresh_frame
134 virtual void draw_refresh(int flush = 1) {};
135 virtual void clear(int flash=1);
137 // Get top left offset of canvas relative to output.
138 // Normally negative. Can be positive if output is smaller than canvas.
139 float get_x_offset(EDL *edl,
144 float get_y_offset(EDL *edl,
149 void get_zooms(EDL *edl,
157 // Convert coord from output to canvas position, including
158 // x and y scroll offsets
159 void output_to_canvas(EDL *edl, int single_channel, float &x, float &y);
160 // Convert coord from canvas to output position
161 void canvas_to_output(EDL *edl, int single_channel, float &x, float &y);
163 // Get dimensions of frame being sent to canvas
164 virtual int get_output_w(EDL *edl);
165 virtual int get_output_h(EDL *edl);
166 // Get if scrollbars exist
167 int scrollbars_exist();
168 // Get cursor locations relative to canvas and not offset by scrollbars
171 int get_buttonpress();
172 // Gets whatever video surface is enabled
173 BC_WindowBase* get_canvas();
174 // draw_refresh, with/without locks
175 int refresh(int flush);
176 int redraw(int flush);
178 // The owner of the canvas
179 BC_WindowBase *subwindow;
180 // Video surface if a subwindow
181 CanvasOutput *canvas_subwindow;
182 // Video surface if fullscreen
183 CanvasFullScreen *canvas_fullscreen;
184 CanvasXScroll *xscroll;
185 CanvasYScroll *yscroll;
186 CanvasPopup *canvas_menu;
187 CanvasFullScreenPopup *fullscreen_menu;
190 BC_WindowBase *canvas_auxwindow;
191 // Used in record monitor
192 int output_w, output_h;
193 // Last frame played is stored here in driver format for
195 VFrame *refresh_frame;
196 // Results from last get_scrollbars
201 // For cases where video is not enabled on the canvas but processing is
202 // occurring for a single frame, this causes the status to update.
205 // Cursor is inside video surface
217 void get_scrollbars(EDL *edl,
218 int &canvas_x, int &canvas_y, int &canvas_w, int &canvas_h);
219 // Lock access to the canvas pointer.
220 Condition *canvas_lock;
224 class CanvasOutput : public BC_SubWindow
227 CanvasOutput(Canvas *canvas,
228 int x, int y, int w, int h);
231 int cursor_leave_event();
232 int cursor_enter_event();
233 int button_press_event();
234 int button_release_event();
235 int cursor_motion_event();
236 int keypress_event();
244 class CanvasFullScreen : public BC_FullScreen
247 CanvasFullScreen(Canvas *canvas, int w, int h);
256 class CanvasXScroll : public BC_ScrollBar
259 CanvasXScroll(EDL *edl,
274 class CanvasYScroll : public BC_ScrollBar
277 CanvasYScroll(EDL *edl,
293 class CanvasFullScreenPopup : public BC_PopupMenu
296 CanvasFullScreenPopup(Canvas *canvas);
298 void create_objects();
304 class CanvasSubWindowItem : public BC_MenuItem
307 CanvasSubWindowItem(Canvas *canvas);
312 class CanvasPopup : public BC_PopupMenu
315 CanvasPopup(Canvas *canvas);
318 void create_objects();
324 CanvasToggleControls *toggle_controls;
327 class CanvasZoomSize : public BC_MenuItem
330 CanvasZoomSize(Canvas *canvas);
335 class CanvasSizeSubMenu : public BC_SubMenu
338 CanvasSizeSubMenu(CanvasZoomSize *zoom_size);
340 CanvasZoomSize *zoom_size;
343 class CanvasPopupSize : public BC_MenuItem
346 CanvasPopupSize(Canvas *canvas, char *text, float percentage);
353 class CanvasPopupAuto : public BC_MenuItem
356 CanvasPopupAuto(Canvas *canvas);
361 class CanvasPopupResetCamera : public BC_MenuItem
364 CanvasPopupResetCamera(Canvas *canvas);
369 class CanvasPopupResetProjector : public BC_MenuItem
372 CanvasPopupResetProjector(Canvas *canvas);
377 class CanvasPopupCameraKeyframe : public BC_MenuItem
380 CanvasPopupCameraKeyframe(Canvas *canvas);
385 class CanvasPopupProjectorKeyframe : public BC_MenuItem
388 CanvasPopupProjectorKeyframe(Canvas *canvas);
393 class CanvasToggleControls : public BC_MenuItem
396 CanvasToggleControls(Canvas *canvas);
398 static char* calculate_text(int cwindow_controls);
402 class CanvasFullScreenItem : public BC_MenuItem
405 CanvasFullScreenItem(Canvas *canvas);
410 class CanvasPopupResetTranslation : public BC_MenuItem
413 CanvasPopupResetTranslation(Canvas *canvas);
419 class CanvasPopupRemoveSource : public BC_MenuItem
422 CanvasPopupRemoveSource(Canvas *canvas);