1 /***************************************************************************
2 * Copyright (C) 2010 by Till Theato (root@ttill.de) *
4 * This program is free software; you can redistribute it and/or modify *
5 * it under the terms of the GNU General Public License as published by *
6 * the Free Software Foundation; either version 2 of the License, or *
7 * (at your option) any later version. *
9 * This program is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program; if not, write to the *
16 * Free Software Foundation, Inc., *
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
18 ***************************************************************************/
21 #ifndef GEOMETRYWIDGET_H
22 #define GEOMETRYWIDGET_H
24 #include "ui_geometrywidget_ui.h"
26 #include <mlt++/Mlt.h>
34 class TimecodeDisplay;
35 class OnMonitorRectItem;
36 class QGraphicsRectItem;
39 class GeometryWidget : public QWidget
43 /** @brief Sets up the UI and connects it.
44 * @param monitor Project monitor
45 * @param timecode Timecode needed by timecode display widget
46 * @param clipPos Position of the clip in timeline
47 * @param isEffect true if used in an effect, false if used in a transition
48 * @param parent (optional) Parent widget */
49 GeometryWidget(Monitor *monitor, Timecode timecode, int clipPos, bool isEffect, QWidget* parent = 0);
50 virtual ~GeometryWidget();
51 /** @brief Gets the geometry as a serialized string. */
52 QString getValue() const;
53 /** @brief Updates the timecode display according to settings (frame number or hh:mm:ss:ff) */
54 void updateTimecodeFormat();
55 /** @brief Sets the size of the original clip. */
56 void setFrameSize(QPoint size);
59 /** @brief Sets up the rect and the geometry object.
60 * @param elem DomElement representing this effect parameter
61 * @param minframe In point of the clip
62 * @param maxframe Out point of the clip */
63 void setupParam(const QDomElement elem, int minframe, int maxframe);
64 /** @brief Updates position of the local timeline to @param relTimelinePos. */
65 void slotSyncPosition(int relTimelinePos);
66 /** @brief Switches from normal monitor to monitor scene according to @param show. */
67 void slotShowScene(bool show = true);
70 Ui::GeometryWidget_UI m_ui;
72 TimecodeDisplay *m_timePos;
73 /** Position of the clip in timeline. */
75 /** In point of the clip (crop from start). */
77 /** Out point of the clip (crop from end). */
80 MonitorScene *m_scene;
81 OnMonitorRectItem *m_rect;
82 QGraphicsRectItem *m_previous;
83 KeyframeHelper *m_timeline;
84 /** Stores the different settings in the MLT geometry format. */
85 Mlt::Geometry *m_geometry;
89 DragValue *m_spinWidth;
90 DragValue *m_spinHeight;
91 DragValue *m_spinSize;
94 /** @brief Update monitor rect with current width / height values. */
95 void updateMonitorGeometry();
98 /** @brief Updates controls according to position.
99 * @param pos (optional) Position to update to
100 * @param seek (optional, default = true) Whether to seek timleine & project monitor to pos
101 * If pos = -1 (default) the value of m_timePos is used. */
102 void slotPositionChanged(int pos = -1, bool seek = true);
103 /** @brief Updates settings after a keyframe was moved to @param pos. */
104 void slotKeyframeMoved(int pos);
105 /** @brief Adds a keyframe.
106 * @param pos (optional) Position where the keyframe should be added
107 * If pos = -1 (default) the value of m_timePos is used. */
108 void slotAddKeyframe(int pos = -1);
109 /** @brief Deletes a keyframe.
110 * @param pos (optional) Position of the keyframe which should be deleted
111 * If pos = -1 (default) the value of m_timePos is used. */
112 void slotDeleteKeyframe(int pos = -1);
113 /** @brief Goes to the next keyframe or to the end if none is available. */
114 void slotNextKeyframe();
115 /** @brief Goes to the previous keyframe or to the beginning if none is available. */
116 void slotPreviousKeyframe();
117 /** @brief Adds or deletes a keyframe depending on whether there is already a keyframe at the current position. */
118 void slotAddDeleteKeyframe();
120 /** @brief Makes sure the monitor effect scene is only visible if the clip this geometry belongs to is visible.
121 * @param renderPos Postion of the Monitor / Timeline cursor */
122 void slotCheckMonitorPosition(int renderPos);
124 /** @brief Updates the Mlt::Geometry object. */
125 void slotUpdateGeometry();
126 /** @brief Updates the spinBoxes according to the rect. */
127 void slotUpdateProperties();
129 /** @brief Sets the rect's x position to @param value. */
130 void slotSetX(int value);
131 /** @brief Sets the rect's y position to @param value. */
132 void slotSetY(int value);
133 /** @brief Sets the rect's width to @param value. */
134 void slotSetWidth(int value);
135 /** @brief Sets the rect's height to @param value. */
136 void slotSetHeight(int value);
138 /** @brief Resizes the rect by @param value (in perecent) compared to the frame size. */
139 void slotResize(double value);
141 /** @brief Sets the opacity to @param value. */
142 void slotSetOpacity(int value);
144 /** @brief Moves the rect to the left frame border (x position = 0). */
146 /** @brief Centers the rect horizontally. */
148 /** @brief Moves the rect to the right frame border (x position = frame width - rect width). */
149 void slotMoveRight();
150 /** @brief Moves the rect to the top frame border (y position = 0). */
152 /** @brief Centers the rect vertically. */
154 /** @brief Moves the rect to the bottom frame border (y position = frame height - rect height). */
155 void slotMoveBottom();
157 /** @brief Enables/Disables syncing with the timeline according to @param sync. */
158 void slotSetSynchronize(bool sync);
159 void slotAdjustToFrameSize();
160 void slotFitToWidth();
161 void slotFitToHeight();
162 /** @brief Show / hide previous keyframe in monitor scene. */
163 void slotShowPreviousKeyFrame(bool show);
166 void parameterChanged();
167 void checkMonitorPosition(int);