Canvas Class Reference

#include <canvas.h>

Inherited by CWindowCanvas, RecordMonitorCanvas, and VWindowCanvas.

Collaboration diagram for Canvas:


Public Member Functions
	Canvas (MWindow mwindow, BC_WindowBase subwindow, int x, int y, int w, int h, int output_w, int output_h, int use_scrollbars, int use_cwindow=0, int use_rwindow=0, int use_vwindow=0)
virtual	~Canvas ()
void	reset ()
void	calculate_sizes (float aspect_ratio, int output_w, int output_h, float zoom, int &w, int &h)
void	lock_canvas (char *location)
void	unlock_canvas ()
int	is_locked ()
int	create_objects (EDL *edl)
void	set_cursor (int cursor)
void	start_video ()
void	stop_video ()
void	start_single ()
void	stop_single ()
void	start_fullscreen ()
void	stop_fullscreen ()
void	create_canvas ()
virtual void	status_event ()
virtual void	reset_camera ()
virtual void	reset_projector ()
virtual void	zoom_resize_window (float percentage)
virtual void	zoom_auto ()
virtual int	cursor_leave_event ()
virtual int	cursor_enter_event ()
virtual int	button_release_event ()
virtual int	button_press_event ()
virtual int	cursor_motion_event ()
virtual void	draw_overlays ()
virtual void	toggle_controls ()
virtual int	get_cwindow_controls ()
virtual int	get_fullscreen ()
virtual void	set_fullscreen (int value)
int	cursor_leave_event_base (BC_WindowBase *caller)
int	cursor_enter_event_base (BC_WindowBase *caller)
int	button_press_event_base (BC_WindowBase *caller)
int	keypress_event (BC_WindowBase *caller)
void	get_transfers (EDL *edl, float &output_x1, float &output_y1, float &output_x2, float &output_y2, float &canvas_x1, float &canvas_y1, float &canvas_x2, float &canvas_y2, int canvas_w=-1, int canvas_h=-1)
void	reposition_window (EDL *edl, int x, int y, int w, int h)
virtual void	reset_translation ()
virtual void	close_source ()
virtual void	update_zoom (int x, int y, float zoom)
void	check_boundaries (EDL *edl, int &x, int &y, float &zoom)
void	update_scrollbars ()
virtual int	get_xscroll ()
virtual int	get_yscroll ()
virtual float	get_zoom ()
virtual void	draw_refresh ()
float	get_x_offset (EDL *edl, int single_channel, float zoom_x, float conformed_w, float conformed_h)
float	get_y_offset (EDL *edl, int single_channel, float zoom_y, float conformed_w, float conformed_h)
void	get_zooms (EDL *edl, int single_channel, float &zoom_x, float &zoom_y, float &conformed_w, float &conformed_h)
void	output_to_canvas (EDL *edl, int single_channel, float &x, float &y)
void	canvas_to_output (EDL *edl, int single_channel, float &x, float &y)
virtual int	get_output_w (EDL *edl)
virtual int	get_output_h (EDL *edl)
int	scrollbars_exist ()
int	get_cursor_x ()
int	get_cursor_y ()
int	get_buttonpress ()
BC_WindowBase *	get_canvas ()
Data Fields
BC_WindowBase *	subwindow
CanvasOutput *	canvas_subwindow
CanvasFullScreen *	canvas_fullscreen
CanvasXScroll *	xscroll
CanvasYScroll *	yscroll
CanvasPopup *	canvas_menu
CanvasFullScreenPopup *	fullscreen_menu
int	x
int	y
int	w
int	h
int	use_scrollbars
int	use_cwindow
int	use_rwindow
int	use_vwindow
int	output_w
int	output_h
VFrame *	refresh_frame
int	w_needed
int	h_needed
int	w_visible
int	h_visible
int	is_processing
int	cursor_inside
int	view_x
int	view_y
int	view_w
int	view_h
int	root_w
int	root_h
MWindow *	mwindow
Private Member Functions
void	get_scrollbars (EDL *edl, int &canvas_x, int &canvas_y, int &canvas_w, int &canvas_h)
Private Attributes
Mutex *	canvas_lock

Detailed Description

Definition at line 19 of file canvas.h.

Constructor & Destructor Documentation

Canvas::Canvas	(	MWindow *	mwindow,
		BC_WindowBase *	subwindow,
		int	x,
		int	y,
		int	w,
		int	h,
		int	output_w,
		int	output_h,
		int	use_scrollbars,
		int	use_cwindow = `0`,
		int	use_rwindow = `0`,
		int	use_vwindow = `0`
	)

Definition at line 15 of file canvas.C.

References canvas_lock, BC_WindowBase::get_root_h(), BC_WindowBase::get_root_w(), reset(), root_h, and root_w.

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Canvas::~Canvas ( ) [virtual]

Definition at line 49 of file canvas.C.

References canvas_fullscreen, canvas_lock, canvas_menu, canvas_subwindow, refresh_frame, xscroll, and yscroll.

Member Function Documentation

void Canvas::reset ( )

Definition at line 60 of file canvas.C.

References canvas_fullscreen, canvas_subwindow, cursor_inside, is_processing, output_h, output_w, refresh_frame, use_scrollbars, xscroll, and yscroll.

Referenced by Canvas().

void Canvas::calculate_sizes	(	float	aspect_ratio,
		int	output_w,
		int	output_h,
		float	zoom,
		int &	w,
		int &	h
	)

Definition at line 100 of file canvas.C.

Referenced by VWindowCanvas::zoom_resize_window(), RecordMonitorCanvas::zoom_resize_window(), and CWindowCanvas::zoom_resize_window().

void Canvas::lock_canvas ( char * location )

Definition at line 74 of file canvas.C.

References canvas_lock, and Mutex::lock().

Referenced by Playback3D::clear_input_sync(), Playback3D::clear_output_sync(), VDeviceX11::close_all(), Playback3D::copy_from_sync(), create_canvas(), Playback3D::do_camera_sync(), Playback3D::do_fade_sync(), Playback3D::do_mask_sync(), VDeviceX11::get_best_colormodel(), VDeviceX11::new_output_buffer(), VDeviceX11::open_output(), VDeviceX11::output_visible(), VDeviceX11::overlay(), Playback3D::overlay_sync(), Playback3D::run_plugin_sync(), VDeviceX11::write_buffer(), and Playback3D::write_buffer_sync().

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void Canvas::unlock_canvas ( )

Definition at line 79 of file canvas.C.

References canvas_lock, and Mutex::unlock().

Referenced by Playback3D::clear_input_sync(), Playback3D::clear_output_sync(), VDeviceX11::close_all(), Playback3D::copy_from_sync(), create_canvas(), Playback3D::do_camera_sync(), Playback3D::do_fade_sync(), Playback3D::do_mask_sync(), VDeviceX11::get_best_colormodel(), VDeviceX11::new_output_buffer(), VDeviceX11::open_output(), VDeviceX11::output_visible(), VDeviceX11::overlay(), Playback3D::overlay_sync(), Playback3D::run_plugin_sync(), VDeviceX11::write_buffer(), and Playback3D::write_buffer_sync().

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int Canvas::is_locked ( )

Definition at line 84 of file canvas.C.

References canvas_lock, and Mutex::is_locked().

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int Canvas::create_objects ( EDL * edl )

Definition at line 639 of file canvas.C.

References BC_WindowBase::add_subwindow(), canvas_menu, create_canvas(), CanvasFullScreenPopup::create_objects(), CanvasPopup::create_objects(), fullscreen_menu, get_scrollbars(), h, subwindow, view_h, view_w, view_x, view_y, w, x, and y.

Referenced by VWindowGUI::create_objects(), RecordMonitorGUI::create_objects(), and CWindowGUI::create_objects().

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void Canvas::set_cursor ( int cursor )

Definition at line 618 of file canvas.C.

References get_canvas(), and BC_WindowBase::set_cursor().

Referenced by RecordMonitorCanvas::cursor_enter_event(), CWindowCanvas::cursor_enter_event(), CWindowCanvas::cursor_leave_event(), and CWindowCanvas::test_crop().

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void Canvas::start_video ( )

Definition at line 686 of file canvas.C.

References get_canvas(), BC_WindowBase::start_video(), and status_event().

Referenced by VDeviceX11::open_output(), and VDeviceX11::start_playback().

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void Canvas::stop_video ( )

Definition at line 695 of file canvas.C.

References get_canvas(), status_event(), and BC_WindowBase::stop_video().

Referenced by VDeviceX11::close_all(), and VDeviceX11::stop_playback().

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void Canvas::start_single ( )

Definition at line 674 of file canvas.C.

References is_processing, and status_event().

Referenced by VDeviceX11::open_output().

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void Canvas::stop_single ( )

Definition at line 680 of file canvas.C.

References is_processing, and status_event().

Referenced by VDeviceX11::close_all().

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void Canvas::start_fullscreen ( )

Definition at line 705 of file canvas.C.

References create_canvas(), and set_fullscreen().

Referenced by CanvasFullScreenItem::handle_event(), VWindowGUI::keypress_event(), CWindowGUI::keypress_event(), and keypress_event().

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void Canvas::stop_fullscreen ( )

Definition at line 711 of file canvas.C.

References create_canvas(), and set_fullscreen().

Referenced by CanvasSubWindowItem::handle_event(), VWindowGUI::keypress_event(), CWindowGUI::keypress_event(), and keypress_event().

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void Canvas::create_canvas ( )

Definition at line 717 of file canvas.C.

References BC_WindowBase::add_subwindow(), canvas_fullscreen, canvas_subwindow, draw_refresh(), get_canvas(), get_fullscreen(), BC_WindowBase::get_video_on(), BC_WindowBase::hide_window(), lock_canvas(), root_h, root_w, SET_TRACE, BC_WindowBase::show_window(), BC_WindowBase::start_video(), BC_WindowBase::stop_video(), subwindow, unlock_canvas(), view_h, view_w, view_x, and view_y.

Referenced by create_objects(), start_fullscreen(), and stop_fullscreen().

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virtual void Canvas::status_event ( ) [inline, virtual]

Reimplemented in CWindowCanvas.

Definition at line 69 of file canvas.h.

Referenced by start_single(), start_video(), stop_single(), and stop_video().

virtual void Canvas::reset_camera ( ) [inline, virtual]

Reimplemented in CWindowCanvas.

Definition at line 72 of file canvas.h.

Referenced by CanvasPopupResetCamera::handle_event().

virtual void Canvas::reset_projector ( ) [inline, virtual]

Reimplemented in CWindowCanvas.

Definition at line 73 of file canvas.h.

Referenced by CanvasPopupResetProjector::handle_event().

virtual void Canvas::zoom_resize_window ( float percentage ) [inline, virtual]

Reimplemented in CWindowCanvas, RecordMonitorCanvas, and VWindowCanvas.

Definition at line 74 of file canvas.h.

Referenced by CanvasPopupSize::handle_event().

virtual void Canvas::zoom_auto ( ) [inline, virtual]

Reimplemented in CWindowCanvas.

Definition at line 75 of file canvas.h.

Referenced by CanvasPopupAuto::handle_event().

virtual int Canvas::cursor_leave_event ( ) [inline, virtual]

Reimplemented in CWindowCanvas.

Definition at line 76 of file canvas.h.

Referenced by cursor_leave_event_base().

virtual int Canvas::cursor_enter_event ( ) [inline, virtual]

Reimplemented in CWindowCanvas, and RecordMonitorCanvas.

Definition at line 77 of file canvas.h.

Referenced by cursor_enter_event_base().

virtual int Canvas::button_release_event ( ) [inline, virtual]

Reimplemented in CWindowCanvas, and RecordMonitorCanvas.

Definition at line 78 of file canvas.h.

Referenced by VWindowGUI::button_release_event(), RecordMonitorGUI::button_release_event(), and CanvasOutput::button_release_event().

int Canvas::button_press_event ( ) [virtual]

Reimplemented in CWindowCanvas, and RecordMonitorCanvas.

Definition at line 658 of file canvas.C.

References BC_PopupMenu::activate_menu(), canvas_menu, fullscreen_menu, get_buttonpress(), get_canvas(), and get_fullscreen().

Referenced by RecordMonitorCanvas::button_press_event(), CWindowCanvas::button_press_event(), and button_press_event_base().

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virtual int Canvas::cursor_motion_event ( ) [inline, virtual]

Reimplemented in CWindowCanvas, and RecordMonitorCanvas.

Definition at line 80 of file canvas.h.

Referenced by VWindowGUI::cursor_motion_event(), RecordMonitorGUI::cursor_motion_event(), and CanvasOutput::cursor_motion_event().

virtual void Canvas::draw_overlays ( ) [inline, virtual]

Reimplemented in CWindowCanvas, and VWindowCanvas.

Definition at line 81 of file canvas.h.

virtual void Canvas::toggle_controls ( ) [inline, virtual]

Reimplemented in CWindowCanvas.

Definition at line 82 of file canvas.h.

Referenced by CanvasToggleControls::handle_event().

virtual int Canvas::get_cwindow_controls ( ) [inline, virtual]

Reimplemented in CWindowCanvas.

Definition at line 83 of file canvas.h.

Referenced by CanvasToggleControls::handle_event().

virtual int Canvas::get_fullscreen ( ) [inline, virtual]

Reimplemented in CWindowCanvas, RecordMonitorCanvas, and VWindowCanvas.

Definition at line 84 of file canvas.h.

Referenced by button_press_event(), create_canvas(), get_canvas(), and keypress_event().

virtual void Canvas::set_fullscreen ( int value ) [inline, virtual]

Reimplemented in CWindowCanvas, RecordMonitorCanvas, and VWindowCanvas.

Definition at line 85 of file canvas.h.

Referenced by start_fullscreen(), and stop_fullscreen().

int Canvas::cursor_leave_event_base ( BC_WindowBase * caller )

Definition at line 786 of file canvas.C.

References cursor_inside, and cursor_leave_event().

Referenced by VWindowGUI::cursor_leave_event(), RecordMonitorGUI::cursor_leave_event(), CWindowGUI::cursor_leave_event(), and CanvasOutput::cursor_leave_event().

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int Canvas::cursor_enter_event_base ( BC_WindowBase * caller )

Definition at line 794 of file canvas.C.

References cursor_enter_event(), cursor_inside, BC_WindowBase::cursor_inside(), and BC_WindowBase::is_event_win().

Referenced by VWindowGUI::cursor_enter_event(), RecordMonitorGUI::cursor_enter_event(), CWindowGUI::cursor_enter_event(), and CanvasOutput::cursor_enter_event().

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int Canvas::button_press_event_base ( BC_WindowBase * caller )

Definition at line 805 of file canvas.C.

References button_press_event(), BC_WindowBase::cursor_inside(), and BC_WindowBase::is_event_win().

Referenced by VWindowGUI::button_press_event(), RecordMonitorGUI::button_press_event(), CWindowGUI::button_press_event(), and CanvasOutput::button_press_event().

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int Canvas::keypress_event ( BC_WindowBase * caller )

Definition at line 814 of file canvas.C.

References ESC, get_canvas(), get_fullscreen(), BC_WindowBase::get_keypress(), BC_WindowBase::lock_window(), start_fullscreen(), stop_fullscreen(), and BC_WindowBase::unlock_window().

Referenced by RecordMonitorGUI::keypress_event(), and CanvasOutput::keypress_event().

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void Canvas::get_transfers	(	EDL *	edl,
		float &	output_x1,
		float &	output_y1,
		float &	output_x2,
		float &	output_y2,
		float &	canvas_x1,
		float &	canvas_y1,
		float &	canvas_x2,
		float &	canvas_y2,
		int	canvas_w = `-1`,
		int	canvas_h = `-1`
	)