+++ /dev/null
-
-/*
- * CINELERRA
- * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#ifndef CANVAS_H
-#define CANVAS_H
-
-#include "edl.inc"
-#include "guicast.h"
-#include "mwindow.inc"
-
-// Output for all X11 video
-
-class CanvasOutput;
-class CanvasFullScreen;
-class CanvasXScroll;
-class CanvasYScroll;
-class CanvasPopup;
-class CanvasFullScreenPopup;
-class CanvasToggleControls;
-
-// The EDL arguments can be set to 0 if the canvas_w and canvas_h are used
-class Canvas
-{
-public:
- Canvas(MWindow *mwindow,
- BC_WindowBase *subwindow,
- int x,
- int y,
- int w,
- int h,
- int output_w,
- int output_h,
- int use_scrollbars);
- virtual ~Canvas();
-
- void reset();
-// Get dimensions given a zoom
- void calculate_sizes(float aspect_ratio,
- int output_w,
- int output_h,
- float zoom,
- int &w,
- int &h);
-// Lock access to the canvas pointer.
-// Must be called before get_canvas or locking the canvas.
- void lock_canvas(const char *location);
- void unlock_canvas();
- int is_locked();
-
- void create_objects(EDL *edl);
- void set_cursor(int cursor);
-// Start video playback
- void start_video();
- void stop_video();
-
-// Start single frame processing. Causes the status indicator to update
- void start_single();
- void stop_single();
-
- void start_fullscreen();
- void stop_fullscreen();
-
-// Don't call from inside the canvas
- void create_canvas();
-
-
-
-// Processing or video playback changed.
- 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() { return 0; };
- virtual int cursor_enter_event() { return 0; };
- virtual int button_release_event() { return 0; };
- virtual int button_press_event();
- virtual int cursor_motion_event() { return 0; };
- virtual void draw_overlays() { };
- virtual void toggle_controls() { } ;
- virtual int get_cwindow_controls() { return 0; };
- virtual int get_fullscreen() { return 0; }
- 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);
-// Use menu different options for different windows
- void use_cwindow();
- void use_rwindow();
- void use_vwindow();
- void use_auxwindow(BC_WindowBase *aux);
-
-// Provide canvas dimensions since a BC_Bitmap containing obsolete dimensions
-// is often the output being transferred to.
-// This gets the input coordinates on the device output_frame
-// and the corresponding output coordinates on the canvas.
-// Must be floating point to support OpenGL.
- 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,
-// passing -1 causes automatic size detection
- 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() {};
-// Updates the stores
- virtual void update_zoom(int x, int y, float zoom) {};
- void check_boundaries(EDL *edl, int &x, int &y, float &zoom);
- void update_scrollbars(int flush);
-// Get scrollbar positions relative to output.
-// No correction is done if output is smaller than canvas
- virtual int get_xscroll() { return 0; };
- virtual int get_yscroll() { return 0; };
- virtual float get_zoom() { return 0; };
-// Redraws the image
- virtual void draw_refresh(int flush = 1) {};
-
-// Get top left offset of canvas relative to output.
-// Normally negative. Can be positive if output is smaller than canvas.
- 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);
-
-
-// Convert coord from output to canvas position, including
-// x and y scroll offsets
- void output_to_canvas(EDL *edl, int single_channel, float &x, float &y);
-// Convert coord from canvas to output position
- void canvas_to_output(EDL *edl, int single_channel, float &x, float &y);
-
-// Get dimensions of frame being sent to canvas
- virtual int get_output_w(EDL *edl);
- virtual int get_output_h(EDL *edl);
-// Get if scrollbars exist
- int scrollbars_exist();
-// Get cursor locations relative to canvas and not offset by scrollbars
- int get_cursor_x();
- int get_cursor_y();
- int get_buttonpress();
-// Gets whatever video surface is enabled
- BC_WindowBase* get_canvas();
-
-// The owner of the canvas
- BC_WindowBase *subwindow;
-// Video surface if a subwindow
- CanvasOutput *canvas_subwindow;
-// Video surface if fullscreen
- CanvasFullScreen *canvas_fullscreen;
- CanvasXScroll *xscroll;
- CanvasYScroll *yscroll;
- CanvasPopup *canvas_menu;
- CanvasFullScreenPopup *fullscreen_menu;
- int x, y, w, h;
- int use_scrollbars;
- BC_WindowBase *canvas_auxwindow;
-// Used in record monitor
- int output_w, output_h;
-// Last frame played is stored here in driver format for
-// refreshes.
- VFrame *refresh_frame;
-// Results from last get_scrollbars
- int w_needed;
- int h_needed;
- int w_visible;
- int h_visible;
-// For cases where video is not enabled on the canvas but processing is
-// occurring for a single frame, this causes the status to update.
- int is_processing;
-// Cursor is inside video surface
- int cursor_inside;
- int view_x;
- int view_y;
- int view_w;
- int view_h;
- int scr_w0;
- int root_w, root_h;
-
- MWindow *mwindow;
-
-private:
- void get_scrollbars(EDL *edl,
- int &canvas_x,
- int &canvas_y,
- int &canvas_w,
- int &canvas_h);
- Mutex *canvas_lock;
-};
-
-
-class CanvasOutput : public BC_SubWindow
-{
-public:
- CanvasOutput(Canvas *canvas,
- int x,
- int y,
- int w,
- int h);
- ~CanvasOutput();
-
- int cursor_leave_event();
- int cursor_enter_event();
- int button_press_event();
- int button_release_event();
- int cursor_motion_event();
- int keypress_event();
-
- Canvas *canvas;
-};
-
-
-
-
-class CanvasFullScreen : public BC_FullScreen
-{
-public:
- CanvasFullScreen(Canvas *canvas,
- int w,
- int h);
- ~CanvasFullScreen();
-
- Canvas *canvas;
-};
-
-
-
-
-class CanvasXScroll : public BC_ScrollBar
-{
-public:
- CanvasXScroll(EDL *edl,
- Canvas *canvas,
- int x,
- int y,
- int length,
- int position,
- int handle_length,
- int pixels);
- ~CanvasXScroll();
-
- int handle_event();
- Canvas *canvas;
- EDL *edl;
-};
-
-class CanvasYScroll : public BC_ScrollBar
-{
-public:
- CanvasYScroll(EDL *edl,
- Canvas *canvas,
- int x,
- int y,
- int length,
- int position,
- int handle_length,
- int pixels);
- ~CanvasYScroll();
-
- int handle_event();
-
- Canvas *canvas;
- EDL *edl;
-};
-
-class CanvasFullScreenPopup : public BC_PopupMenu
-{
-public:
- CanvasFullScreenPopup(Canvas *canvas);
-
- void create_objects();
- void use_cwindow();
-
- Canvas *canvas;
-};
-
-class CanvasSubWindowItem : public BC_MenuItem
-{
-public:
- CanvasSubWindowItem(Canvas *canvas);
- int handle_event();
- Canvas *canvas;
-};
-
-class CanvasPopup : public BC_PopupMenu
-{
-public:
- CanvasPopup(Canvas *canvas);
- ~CanvasPopup();
-
- void create_objects();
- void use_cwindow();
- void use_rwindow();
- void use_vwindow();
-
- Canvas *canvas;
- CanvasToggleControls *toggle_controls;
-};
-
-class CanvasPopupSize : public BC_MenuItem
-{
-public:
- CanvasPopupSize(Canvas *canvas, char *text, float percentage);
- ~CanvasPopupSize();
- int handle_event();
- Canvas *canvas;
- float percentage;
-};
-
-class CanvasPopupAuto : public BC_MenuItem
-{
-public:
- CanvasPopupAuto(Canvas *canvas);
- int handle_event();
- Canvas *canvas;
-};
-
-class CanvasPopupResetCamera : public BC_MenuItem
-{
-public:
- CanvasPopupResetCamera(Canvas *canvas);
- int handle_event();
- Canvas *canvas;
-};
-
-class CanvasPopupResetProjector : public BC_MenuItem
-{
-public:
- CanvasPopupResetProjector(Canvas *canvas);
- int handle_event();
- Canvas *canvas;
-};
-
-class CanvasToggleControls : public BC_MenuItem
-{
-public:
- CanvasToggleControls(Canvas *canvas);
- int handle_event();
- static char* calculate_text(int cwindow_controls);
- Canvas *canvas;
-};
-
-class CanvasFullScreenItem : public BC_MenuItem
-{
-public:
- CanvasFullScreenItem(Canvas *canvas);
- int handle_event();
- Canvas *canvas;
-};
-
-class CanvasPopupResetTranslation : public BC_MenuItem
-{
-public:
- CanvasPopupResetTranslation(Canvas *canvas);
- int handle_event();
- Canvas *canvas;
-};
-
-
-class CanvasPopupRemoveSource : public BC_MenuItem
-{
-public:
- CanvasPopupRemoveSource(Canvas *canvas);
- int handle_event();
- Canvas *canvas;
-};
-
-
-
-
-
-#endif
projects / goodguy / history.git / blobdiff