4 * Copyright (C) 2008-2017 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
22 #include "bcsignals.h"
26 #include "edlsession.h"
29 #include "mainsession.h"
30 #include "mwindowgui.h"
33 #include "playback3d.h"
34 #include "videodevice.h"
39 Canvas::Canvas(MWindow *mwindow,
40 BC_WindowBase *subwindow,
53 this->mwindow = mwindow;
54 this->subwindow = subwindow;
59 this->output_w = output_w;
60 this->output_h = output_h;
61 this->use_scrollbars = use_scrollbars;
62 this->canvas_auxwindow = 0;
63 this->scr_w0 = subwindow->get_screen_w(0, 0);
64 this->root_w = subwindow->get_root_w(0);
65 this->root_h = subwindow->get_root_h(0);
66 canvas_lock = new Mutex("Canvas::canvas_lock", 1);
71 if(refresh_frame) delete refresh_frame;
73 if(yscroll) delete yscroll;
74 if(xscroll) delete xscroll;
75 delete canvas_subwindow;
76 delete canvas_fullscreen;
89 canvas_fullscreen = 0;
94 void Canvas::lock_canvas(const char *location)
96 canvas_lock->lock(location);
99 void Canvas::unlock_canvas()
101 canvas_lock->unlock();
104 int Canvas::is_locked()
106 return canvas_lock->is_locked();
110 BC_WindowBase* Canvas::get_canvas()
112 if(get_fullscreen() && canvas_fullscreen)
113 return canvas_fullscreen;
114 return canvas_auxwindow ? canvas_auxwindow : canvas_subwindow;
117 void Canvas::use_auxwindow(BC_WindowBase *aux)
119 canvas_auxwindow = aux;
122 void Canvas::use_cwindow()
124 canvas_menu->use_cwindow();
125 fullscreen_menu->use_cwindow();
128 void Canvas::use_rwindow()
130 canvas_menu->use_rwindow();
133 void Canvas::use_vwindow()
135 canvas_menu->use_vwindow();
138 // Get dimensions given a zoom
139 void Canvas::calculate_sizes(float aspect_ratio,
146 // Horizontal stretch
147 if((float)output_w / output_h <= aspect_ratio)
149 w = (int)((float)output_h * aspect_ratio * zoom);
150 h = (int)((float)output_h * zoom);
155 h = (int)((float)output_w / aspect_ratio * zoom);
156 w = (int)((float)output_w * zoom);
160 float Canvas::get_x_offset(EDL *edl,
170 // If the projection is smaller than the canvas, this forces it in the center.
171 // if(conformed_w < w_visible)
172 // return -(float)(w_visible - conformed_w) / 2;
174 return (float)get_xscroll();
177 return ((float)-get_canvas()->get_w() / zoom_x +
178 edl->session->output_w) / 2;
183 int canvas_w = get_canvas()->get_w();
184 int canvas_h = get_canvas()->get_h();
188 if((float)out_w / out_h > conformed_w / conformed_h)
190 out_w = (int)(out_h * conformed_w / conformed_h + 0.5);
194 return -(canvas_w - out_w) / 2 / zoom_x;
200 float Canvas::get_y_offset(EDL *edl,
210 // If the projection is smaller than the canvas, this forces it in the center.
211 // if(conformed_h < h_visible)
212 // return -(float)(h_visible - conformed_h) / 2;
214 return (float)get_yscroll();
217 return ((float)-get_canvas()->get_h() / zoom_y +
218 edl->session->output_h) / 2;
223 int canvas_w = get_canvas()->get_w();
224 int canvas_h = get_canvas()->get_h();
228 if((float)out_w / out_h <= conformed_w / conformed_h)
230 out_h = (int)((float)out_w / (conformed_w / conformed_h) + 0.5);
233 //printf("Canvas::get_y_offset 1 %d %d %f\n", out_h, canvas_h, -((float)canvas_h - out_h) / 2);
235 return -((float)canvas_h - out_h) / 2 / zoom_y;
241 // This may not be used anymore
242 void Canvas::check_boundaries(EDL *edl, int &x, int &y, float &zoom)
244 if(x + w_visible > w_needed) x = w_needed - w_visible;
245 if(y + h_visible > h_needed) y = h_needed - h_visible;
251 void Canvas::update_scrollbars(int flush)
255 if(xscroll) xscroll->update_length(w_needed, get_xscroll(), w_visible, flush);
256 if(yscroll) yscroll->update_length(h_needed, get_yscroll(), h_visible, flush);
260 void Canvas::get_zooms(EDL *edl,
267 edl->calculate_conformed_dimensions(single_channel,
273 zoom_x = get_zoom() *
275 edl->session->output_w;
276 zoom_y = get_zoom() *
278 edl->session->output_h;
283 int canvas_w = get_canvas()->get_w();
284 int canvas_h = get_canvas()->get_h();
289 if((float)out_w / out_h > conformed_w / conformed_h)
291 out_w = (int)((float)out_h * conformed_w / conformed_h + 0.5);
295 out_h = (int)((float)out_w / (conformed_w / conformed_h) + 0.5);
298 zoom_x = (float)out_w / edl->session->output_w;
299 zoom_y = (float)out_h / edl->session->output_h;
300 //printf("get zooms 2 %d %d %f %f\n", canvas_w, canvas_h, conformed_w, conformed_h);
304 // Convert a coordinate on the canvas to a coordinate on the output
305 void Canvas::canvas_to_output(EDL *edl, int single_channel, float &x, float &y)
307 float zoom_x, zoom_y, conformed_w, conformed_h;
308 get_zooms(edl, single_channel, zoom_x, zoom_y, conformed_w, conformed_h);
310 //printf("Canvas::canvas_to_output y=%f zoom_y=%f y_offset=%f\n",
311 // y, zoom_y, get_y_offset(edl, single_channel, zoom_y, conformed_w, conformed_h));
313 x = (float)x / zoom_x + get_x_offset(edl, single_channel, zoom_x, conformed_w, conformed_h);
314 y = (float)y / zoom_y + get_y_offset(edl, single_channel, zoom_y, conformed_w, conformed_h);
317 void Canvas::output_to_canvas(EDL *edl, int single_channel, float &x, float &y)
319 float zoom_x, zoom_y, conformed_w, conformed_h;
320 get_zooms(edl, single_channel, zoom_x, zoom_y, conformed_w, conformed_h);
322 //printf("Canvas::output_to_canvas x=%f zoom_x=%f x_offset=%f\n", x, zoom_x, get_x_offset(edl, single_channel, zoom_x, conformed_w));
324 x = (float)zoom_x * (x - get_x_offset(edl, single_channel, zoom_x, conformed_w, conformed_h));
325 y = (float)zoom_y * (y - get_y_offset(edl, single_channel, zoom_y, conformed_w, conformed_h));
330 void Canvas::get_transfers(EDL *edl,
331 float &output_x1, float &output_y1, float &output_x2, float &output_y2,
332 float &canvas_x1, float &canvas_y1, float &canvas_x2, float &canvas_y2,
333 int canvas_w, int canvas_h)
335 //printf("Canvas::get_transfers %d canvas_w=%d canvas_h=%d\n",
336 // __LINE__, canvas_w, canvas_h);
337 // automatic canvas size detection
338 if(canvas_w < 0) canvas_w = get_canvas()->get_w();
339 if(canvas_h < 0) canvas_h = get_canvas()->get_h();
341 // Canvas is zoomed to a portion of the output frame
344 float in_x1, in_y1, in_x2, in_y2;
345 float out_x1, out_y1, out_x2, out_y2;
346 float zoom_x, zoom_y, conformed_w, conformed_h;
348 get_zooms(edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
358 canvas_to_output(edl, 0, in_x1, in_y1);
359 canvas_to_output(edl, 0, in_x2, in_y2);
361 //printf("Canvas::get_transfers 1 %.0f %.0f %.0f %.0f -> %.0f %.0f %.0f %.0f\n",
362 //in_x1, in_y1, in_x2, in_y2, out_x1, out_y1, out_x2, out_y2);
366 out_x1 += -in_x1 * zoom_x;
372 out_y1 += -in_y1 * zoom_y;
376 int output_w = get_output_w(edl);
377 int output_h = get_output_h(edl);
381 out_x2 -= (in_x2 - output_w) * zoom_x;
387 out_y2 -= (in_y2 - output_h) * zoom_y;
390 // printf("Canvas::get_transfers 2 %.0f %.0f %.0f %.0f -> %.0f %.0f %.0f %.0f\n",
391 // in_x1, in_y1, in_x2, in_y2, out_x1, out_y1, out_x2, out_y2);
403 // if(!scrollbars_exist())
405 // out_x = canvas_w / 2 - out_w / 2;
406 // out_y = canvas_h / 2 - out_h / 2;
411 // The output frame is normalized to the canvas
413 // Default canvas coords fill the entire canvas
416 canvas_x2 = canvas_w;
417 canvas_y2 = canvas_h;
421 // Use EDL aspect ratio to shrink one of the canvas dimensions
422 float out_w = canvas_x2 - canvas_x1;
423 float out_h = canvas_y2 - canvas_y1;
424 if(out_w / out_h > edl->get_aspect_ratio())
426 out_w = (int)(out_h * edl->get_aspect_ratio() + 0.5);
427 canvas_x1 = canvas_w / 2 - out_w / 2;
431 out_h = (int)(out_w / edl->get_aspect_ratio() + 0.5);
432 canvas_y1 = canvas_h / 2 - out_h / 2;
433 // printf("Canvas::get_transfers %d canvas_h=%d out_h=%f canvas_y1=%f\n",
439 canvas_x2 = canvas_x1 + out_w;
440 canvas_y2 = canvas_y1 + out_h;
442 // Get output frame coords from EDL
445 output_x2 = get_output_w(edl);
446 output_y2 = get_output_h(edl);
449 // No EDL to get aspect ratio or output frame coords from
453 output_x2 = this->output_w;
454 output_y2 = this->output_h;
458 // Clamp to minimum value
459 output_x1 = MAX(0, output_x1);
460 output_y1 = MAX(0, output_y1);
461 output_x2 = MAX(output_x1, output_x2);
462 output_y2 = MAX(output_y1, output_y2);
463 canvas_x1 = MAX(0, canvas_x1);
464 canvas_y1 = MAX(0, canvas_y1);
465 canvas_x2 = MAX(canvas_x1, canvas_x2);
466 canvas_y2 = MAX(canvas_y1, canvas_y2);
467 // printf("Canvas::get_transfers %d %f,%f %f,%f -> %f,%f %f,%f\n",
479 int Canvas::scrollbars_exist()
481 return(use_scrollbars && (xscroll || yscroll));
484 int Canvas::get_output_w(EDL *edl)
486 return !edl ? 0 : edl->session->output_w;
489 int Canvas::get_output_h(EDL *edl)
491 return !edl ? 0 : edl->session->output_h;
496 void Canvas::get_scrollbars(EDL *edl,
502 int need_xscroll = 0;
503 int need_yscroll = 0;
505 float zoom_x, zoom_y, conformed_w, conformed_h;
509 w_needed = edl->session->output_w;
510 h_needed = edl->session->output_h;
511 w_visible = w_needed;
512 h_visible = h_needed;
514 //printf("Canvas::get_scrollbars 1 %d %d\n", get_xscroll(), get_yscroll());
516 if( use_scrollbars ) {
517 w_needed = edl->session->output_w;
518 h_needed = edl->session->output_h;
519 get_zooms(edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
520 //printf("Canvas::get_scrollbars 2 %d %d\n", get_xscroll(), get_yscroll());
522 w_visible = (int)(canvas_w / zoom_x);
523 h_visible = (int)(canvas_h / zoom_y);
524 if( w_needed > w_visible ) {
526 canvas_h -= BC_ScrollBar::get_span(SCROLL_HORIZ);
529 if( h_needed > h_visible ) {
531 canvas_w -= BC_ScrollBar::get_span(SCROLL_VERT);
533 //printf("Canvas::get_scrollbars %d %d %d %d %d %d\n", canvas_w, canvas_h, w_needed, h_needed, w_visible, h_visible);
534 //printf("Canvas::get_scrollbars 3 %d %d\n", get_xscroll(), get_yscroll());
536 w_visible = (int)(canvas_w / zoom_x);
537 h_visible = (int)(canvas_h / zoom_y);
542 xscroll = new CanvasXScroll(edl, this, canvas_x, canvas_y + canvas_h,
543 w_needed, get_xscroll(), w_visible, canvas_w);
544 subwindow->add_subwindow(xscroll);
545 xscroll->show_window(0);
548 xscroll->reposition_window(canvas_x, canvas_y + canvas_h, canvas_w);
550 if( xscroll->get_length() != w_needed ||
551 xscroll->get_handlelength() != w_visible )
552 xscroll->update_length(w_needed, get_xscroll(), w_visible, 0);
555 delete xscroll; xscroll = 0;
557 //printf("Canvas::get_scrollbars 4 %d %d\n", get_xscroll(), get_yscroll());
561 yscroll = new CanvasYScroll(edl, this, canvas_x + canvas_w, canvas_y,
562 h_needed, get_yscroll(), h_visible, canvas_h);
563 subwindow->add_subwindow(yscroll);
564 yscroll->show_window(0);
567 yscroll->reposition_window(canvas_x + canvas_w, canvas_y, canvas_h);
569 if( yscroll->get_length() != edl->session->output_h ||
570 yscroll->get_handlelength() != h_visible )
571 yscroll->update_length(h_needed, get_yscroll(), h_visible, 0);
574 delete yscroll; yscroll = 0;
576 //printf("Canvas::get_scrollbars 5 %d %d\n", get_xscroll(), get_yscroll());
579 void Canvas::reposition_window(EDL *edl, int x, int y, int w, int h)
581 this->x = view_x = x; this->y = view_y = y;
582 this->w = view_w = w; this->h = view_h = h;
583 //printf("Canvas::reposition_window 1\n");
584 get_scrollbars(edl, view_x, view_y, view_w, view_h);
585 //printf("Canvas::reposition_window %d %d %d %d\n", view_x, view_y, view_w, view_h);
588 canvas_subwindow->reposition_window(view_x, view_y, view_w, view_h);
590 // Need to clear out the garbage in the back
591 if(canvas_subwindow->get_video_on())
593 canvas_subwindow->set_color(BLACK);
594 canvas_subwindow->draw_box(0, 0,
595 get_canvas()->get_w(), get_canvas()->get_h());
596 canvas_subwindow->flash(0);
604 void Canvas::set_cursor(int cursor)
606 get_canvas()->set_cursor(cursor, 0, 1);
609 int Canvas::get_cursor_x()
611 return get_canvas()->get_cursor_x();
614 int Canvas::get_cursor_y()
616 return get_canvas()->get_cursor_y();
619 int Canvas::get_buttonpress()
621 return get_canvas()->get_buttonpress();
625 void Canvas::create_objects(EDL *edl)
631 get_scrollbars(edl, view_x, view_y, view_w, view_h);
633 subwindow->unlock_window();
635 subwindow->lock_window("Canvas::create_objects");
637 subwindow->add_subwindow(canvas_menu = new CanvasPopup(this));
638 canvas_menu->create_objects();
640 subwindow->add_subwindow(fullscreen_menu = new CanvasFullScreenPopup(this));
641 fullscreen_menu->create_objects();
645 int Canvas::button_press_event()
649 if(get_canvas()->get_buttonpress() == 3)
652 fullscreen_menu->activate_menu();
654 canvas_menu->activate_menu();
661 void Canvas::start_single()
667 void Canvas::stop_single()
673 void Canvas::start_video()
677 get_canvas()->start_video();
682 void Canvas::stop_video()
686 get_canvas()->stop_video();
692 void Canvas::start_fullscreen()
698 void Canvas::stop_fullscreen()
704 void Canvas::create_canvas()
707 lock_canvas("Canvas::create_canvas");
710 if(!get_fullscreen())
713 if(canvas_fullscreen)
715 video_on = canvas_fullscreen->get_video_on();
716 canvas_fullscreen->stop_video();
717 canvas_fullscreen->lock_window("Canvas::create_canvas 2");
718 canvas_fullscreen->hide_window();
719 canvas_fullscreen->unlock_window();
722 if(!canvas_auxwindow && !canvas_subwindow)
724 subwindow->add_subwindow(canvas_subwindow = new CanvasOutput(this,
734 BC_WindowBase *wdw = canvas_auxwindow ?
735 canvas_auxwindow : canvas_subwindow;
738 video_on = wdw->get_video_on();
743 wdw->get_fullscreen_geometry(x, y, w, h);
745 if( canvas_fullscreen )
747 if( x != canvas_fullscreen->get_x() ||
748 y != canvas_fullscreen->get_y() ||
749 w != canvas_fullscreen->get_w() ||
750 h != canvas_fullscreen->get_h() ) {
751 delete canvas_fullscreen;
752 canvas_fullscreen = 0;
755 if(!canvas_fullscreen)
757 canvas_fullscreen = new CanvasFullScreen(this, w, h);
761 canvas_fullscreen->reposition_window(x, y);
762 canvas_fullscreen->show_window();
769 get_canvas()->lock_window("Canvas::create_canvas 1");
771 get_canvas()->unlock_window();
774 if(video_on) get_canvas()->start_video();
781 int Canvas::cursor_leave_event_base(BC_WindowBase *caller)
784 if(cursor_inside) result = cursor_leave_event();
789 int Canvas::cursor_enter_event_base(BC_WindowBase *caller)
792 if(caller->is_event_win() && caller->cursor_inside())
795 result = cursor_enter_event();
800 int Canvas::button_press_event_base(BC_WindowBase *caller)
802 if(caller->is_event_win() && caller->cursor_inside())
804 return button_press_event();
809 int Canvas::keypress_event(BC_WindowBase *caller)
811 int caller_is_canvas = (caller == get_canvas());
812 int key = caller->get_keypress();
815 caller->unlock_window();
820 if(!caller_is_canvas) caller->lock_window("Canvas::keypress_event 1");
823 caller->unlock_window();
826 if(!caller_is_canvas) caller->lock_window("Canvas::keypress_event 2");
834 void Canvas::update_refresh(VideoDevice *device, VFrame *output_frame)
836 int best_color_model = output_frame->get_color_model();
838 device->out_config->driver == PLAYBACK_X11_GL &&
839 output_frame->get_opengl_state() != VFrame::RAM;
841 // OpenGL does YUV->RGB in the compositing step
843 best_color_model = BC_RGB888;
845 int out_w = output_frame->get_w();
846 int out_h = output_frame->get_h();
848 (refresh_frame->get_w() != out_w ||
849 refresh_frame->get_h() != out_h ||
850 refresh_frame->get_color_model() != best_color_model ) ) {
851 // x11 direct render uses BC_BGR8888, use tranfer_from to remap
852 delete refresh_frame; refresh_frame = 0;
855 if( !refresh_frame ) {
857 new VFrame(out_w, out_h, best_color_model);
861 get_canvas()->unlock_window();
864 mwindow->playback_3d->copy_from(this, refresh_frame, output_frame, 0);
865 lock_canvas(" Canvas::output_refresh");
866 get_canvas()->lock_window(" Canvas::output_refresh");
869 refresh_frame->copy_from(output_frame);
873 void Canvas::clear(int flush)
876 refresh_frame->clear_frame();
877 BC_WindowBase *wdw = get_canvas();
879 wdw->set_bg_color(BLACK);
880 wdw->clear_box(0,0, wdw->get_w(), wdw->get_h());
886 CanvasOutput::CanvasOutput(Canvas *canvas,
891 : BC_SubWindow(x, y, w, h, BLACK)
893 this->canvas = canvas;
896 CanvasOutput::~CanvasOutput()
900 int CanvasOutput::cursor_leave_event()
902 return canvas->cursor_leave_event_base(this);
905 int CanvasOutput::cursor_enter_event()
907 return canvas->cursor_enter_event_base(this);
910 int CanvasOutput::button_press_event()
912 return canvas->button_press_event_base(this);
915 int CanvasOutput::button_release_event()
917 return canvas->button_release_event();
920 int CanvasOutput::cursor_motion_event()
922 return canvas->cursor_motion_event();
925 int CanvasOutput::keypress_event()
927 return canvas->keypress_event(this);
942 CanvasFullScreen::CanvasFullScreen(Canvas *canvas,
945 : BC_FullScreen(canvas->subwindow,
953 this->canvas = canvas;
956 CanvasFullScreen::~CanvasFullScreen()
972 CanvasXScroll::CanvasXScroll(EDL *edl,
988 this->canvas = canvas;
991 CanvasXScroll::~CanvasXScroll()
995 int CanvasXScroll::handle_event()
997 //printf("CanvasXScroll::handle_event %d %d %d\n", get_length(), get_value(), get_handlelength());
998 canvas->update_zoom(get_value(), canvas->get_yscroll(), canvas->get_zoom());
999 canvas->draw_refresh();
1008 CanvasYScroll::CanvasYScroll(EDL *edl,
1024 this->canvas = canvas;
1027 CanvasYScroll::~CanvasYScroll()
1031 int CanvasYScroll::handle_event()
1033 //printf("CanvasYScroll::handle_event %d %d\n", get_value(), get_length());
1034 canvas->update_zoom(canvas->get_xscroll(), get_value(), canvas->get_zoom());
1035 canvas->draw_refresh();
1044 CanvasFullScreenPopup::CanvasFullScreenPopup(Canvas *canvas)
1045 : BC_PopupMenu(0, 0, 0, "", 0)
1047 this->canvas = canvas;
1051 void CanvasFullScreenPopup::create_objects()
1053 add_item(new CanvasSubWindowItem(canvas));
1056 void CanvasFullScreenPopup::use_cwindow()
1058 add_item(new CanvasPopupAuto(canvas));
1061 CanvasSubWindowItem::CanvasSubWindowItem(Canvas *canvas)
1062 : BC_MenuItem(_("Windowed"), "f", 'f')
1064 this->canvas = canvas;
1067 int CanvasSubWindowItem::handle_event()
1069 // It isn't a problem to delete the canvas from in here because the event
1070 // dispatcher is the canvas subwindow.
1071 canvas->subwindow->unlock_window();
1072 canvas->stop_fullscreen();
1073 canvas->subwindow->lock_window("CanvasSubWindowItem::handle_event");
1084 CanvasPopup::CanvasPopup(Canvas *canvas)
1085 : BC_PopupMenu(0, 0, 0, "", 0)
1087 this->canvas = canvas;
1090 CanvasPopup::~CanvasPopup()
1094 void CanvasPopup::create_objects()
1096 add_item(new BC_MenuItem("-"));
1097 add_item(new CanvasFullScreenItem(canvas));
1098 add_item(new CanvasPopupSize(canvas, _("Zoom 25%"), 0.25));
1099 add_item(new CanvasPopupSize(canvas, _("Zoom 33%"), 0.33));
1100 add_item(new CanvasPopupSize(canvas, _("Zoom 50%"), 0.5));
1101 add_item(new CanvasPopupSize(canvas, _("Zoom 75%"), 0.75));
1102 add_item(new CanvasPopupSize(canvas, _("Zoom 100%"), 1.0));
1103 add_item(new CanvasPopupSize(canvas, _("Zoom 150%"), 1.5));
1104 add_item(new CanvasPopupSize(canvas, _("Zoom 200%"), 2.0));
1105 add_item(new CanvasPopupSize(canvas, _("Zoom 300%"), 3.0));
1106 add_item(new CanvasPopupSize(canvas, _("Zoom 400%"), 4.0));
1109 void CanvasPopup::use_cwindow()
1111 add_item(new CanvasPopupAuto(canvas));
1112 add_item(new CanvasPopupResetCamera(canvas));
1113 add_item(new CanvasPopupResetProjector(canvas));
1114 add_item(toggle_controls = new CanvasToggleControls(canvas));
1117 void CanvasPopup::use_rwindow()
1119 add_item(new CanvasPopupResetTranslation(canvas));
1122 void CanvasPopup::use_vwindow()
1124 add_item(new CanvasPopupRemoveSource(canvas));
1128 CanvasPopupAuto::CanvasPopupAuto(Canvas *canvas)
1129 : BC_MenuItem(_("Zoom Auto"))
1131 this->canvas = canvas;
1134 int CanvasPopupAuto::handle_event()
1136 canvas->zoom_auto();
1141 CanvasPopupSize::CanvasPopupSize(Canvas *canvas, char *text, float percentage)
1144 this->canvas = canvas;
1145 this->percentage = percentage;
1147 CanvasPopupSize::~CanvasPopupSize()
1150 int CanvasPopupSize::handle_event()
1152 canvas->zoom_resize_window(percentage);
1158 CanvasPopupResetCamera::CanvasPopupResetCamera(Canvas *canvas)
1159 : BC_MenuItem(_("Reset camera"), "F11", KEY_F11)
1161 this->canvas = canvas;
1163 int CanvasPopupResetCamera::handle_event()
1165 canvas->reset_camera();
1171 CanvasPopupResetProjector::CanvasPopupResetProjector(Canvas *canvas)
1172 : BC_MenuItem(_("Reset projector"), "F12", KEY_F12)
1174 this->canvas = canvas;
1176 int CanvasPopupResetProjector::handle_event()
1178 canvas->reset_projector();
1184 CanvasPopupResetTranslation::CanvasPopupResetTranslation(Canvas *canvas)
1185 : BC_MenuItem(_("Reset translation"))
1187 this->canvas = canvas;
1189 int CanvasPopupResetTranslation::handle_event()
1191 canvas->reset_translation();
1197 CanvasToggleControls::CanvasToggleControls(Canvas *canvas)
1198 : BC_MenuItem(calculate_text(canvas->get_cwindow_controls()))
1200 this->canvas = canvas;
1202 int CanvasToggleControls::handle_event()
1204 canvas->toggle_controls();
1205 set_text(calculate_text(canvas->get_cwindow_controls()));
1209 char* CanvasToggleControls::calculate_text(int cwindow_controls)
1211 if(!cwindow_controls)
1212 return _("Show controls");
1214 return _("Hide controls");
1223 CanvasFullScreenItem::CanvasFullScreenItem(Canvas *canvas)
1224 : BC_MenuItem(_("Fullscreen"), "f", 'f')
1226 this->canvas = canvas;
1228 int CanvasFullScreenItem::handle_event()
1230 canvas->subwindow->unlock_window();
1231 canvas->start_fullscreen();
1232 canvas->subwindow->lock_window("CanvasFullScreenItem::handle_event");
1244 CanvasPopupRemoveSource::CanvasPopupRemoveSource(Canvas *canvas)
1245 : BC_MenuItem(_("Close source"))
1247 this->canvas = canvas;
1249 int CanvasPopupRemoveSource::handle_event()
1251 canvas->close_source();