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>
29 #include <QGraphicsRectItem>
33 class QGraphicsRectItem;
37 class TimecodeDisplay;
40 class QGraphicsRectHandleItem: public QGraphicsRectItem
44 QGraphicsRectHandleItem(const QRectF & rect, QGraphicsItem * parent = 0):
45 QGraphicsRectItem(rect, parent),
52 virtual void paint(QPainter *painter,
53 const QStyleOptionGraphicsItem * option,
54 QWidget* widget = 0) {
55 QGraphicsRectItem::paint(painter, option, widget);
56 if (!drawHandles) return;
57 double handleSize = 6 / painter->matrix().m11();
58 painter->fillRect(0, 0, handleSize, handleSize, QColor(Qt::yellow));
59 painter->fillRect(option->rect.width() - handleSize, 0, handleSize, handleSize, QColor(Qt::yellow));
60 painter->fillRect(option->rect.width() - handleSize, option->rect.height() - handleSize, handleSize, handleSize, QColor(Qt::yellow));
61 painter->fillRect(0, option->rect.height() - handleSize, handleSize, handleSize, QColor(Qt::yellow));
65 class GeometryWidget : public QWidget
69 /** @brief Sets up the UI and connects it.
70 * @param monitor Project monitor
71 * @param clipPos Position of the clip in timeline
72 * @param parent (optional) Parent widget */
73 GeometryWidget(Monitor *monitor, Timecode timecode, int clipPos, bool isEffect, QWidget* parent = 0);
74 virtual ~GeometryWidget();
75 /** @brief Gets the geometry as a serialized string. */
76 QString getValue() const;
77 /** @brief Updates the timecode display according to settings (frame number or hh:mm:ss:ff) */
78 void updateTimecodeFormat();
81 /** @brief Sets up the rect and the geometry object.
82 * @param elem DomElement representing this effect parameter
83 * @param minframe In point of the clip
84 * @param maxframe Out point of the clip */
85 void setupParam(const QDomElement elem, int minframe, int maxframe);
86 /** @brief Updates position of the local timeline to @param relTimelinePos. */
87 void slotSyncPosition(int relTimelinePos);
90 Ui::GeometryWidget_UI m_ui;
92 TimecodeDisplay *m_timePos;
93 /** Position of the clip in timeline. */
95 /** In point of the clip (crop from start). */
97 /** Out point of the clip (crop from end). */
100 MonitorScene *m_scene;
101 QGraphicsRectHandleItem *m_rect;
102 KeyframeHelper *m_timeline;
103 /** Stores the different settings in the MLT geometry format. */
104 Mlt::Geometry *m_geometry;
108 /** @brief Updates controls according to position.
109 * @param pos (optional) Position to update to
110 * @param seek (optional, default = true) Whether to seek timleine & project monitor to pos
111 * If pos = -1 (default) the value of m_timePos is used. */
112 void slotPositionChanged(int pos = -1, bool seek = true);
113 /** @brief Updates settings after a keyframe was moved to @param pos. */
114 void slotKeyframeMoved(int pos);
115 /** @brief Adds a keyframe.
116 * @param pos (optional) Position where the keyframe should be added
117 * If pos = -1 (default) the value of m_timePos is used. */
118 void slotAddKeyframe(int pos = -1);
119 /** @brief Deletes a keyframe.
120 * @param pos (optional) Position of the keyframe which should be deleted
121 * If pos = -1 (default) the value of m_timePos is used. */
122 void slotDeleteKeyframe(int pos = -1);
123 /** @brief Goes to the next keyframe or to the end if none is available. */
124 void slotNextKeyframe();
125 /** @brief Goes to the previous keyframe or to the beginning if none is available. */
126 void slotPreviousKeyframe();
127 /** @brief Adds or deletes a keyframe depending on whether there is already a keyframe at the current position. */
128 void slotAddDeleteKeyframe();
130 /** @brief Makes sure the monitor effect scene is only visible if the clip this geometry belongs to is visible.
131 * @param renderPos Postion of the Monitor / Timeline cursor */
132 void slotCheckMonitorPosition(int renderPos);
134 /** @brief Updates the Mlt::Geometry object. */
135 void slotUpdateGeometry();
136 /** @brief Updates the spinBoxes according to the rect. */
137 void slotUpdateProperties();
139 /** @brief Sets the rect's x position to @param value. */
140 void slotSetX(int value);
141 /** @brief Sets the rect's y position to @param value. */
142 void slotSetY(int value);
143 /** @brief Sets the rect's width to @param value. */
144 void slotSetWidth(int value);
145 /** @brief Sets the rect's height to @param value. */
146 void slotSetHeight(int value);
148 /** @brief Resizes the rect by @param value (in perecent) compared to the frame size. */
149 void slotResize(int value);
151 /** @brief Sets the opacity to @param value. */
152 void slotSetOpacity(int value);
154 /** @brief Moves the rect to the left frame border (x position = 0). */
156 /** @brief Centers the rect horizontally. */
158 /** @brief Moves the rect to the right frame border (x position = frame width - rect width). */
159 void slotMoveRight();
160 /** @brief Moves the rect to the top frame border (y position = 0). */
162 /** @brief Centers the rect vertically. */
164 /** @brief Moves the rect to the bottom frame border (y position = frame height - rect height). */
165 void slotMoveBottom();
167 /** @brief Enables/Disables syncing with the timeline according to @param sync. */
168 void slotSetSynchronize(bool sync);
169 /** @brief Switches from normal monitor to monitor scene according to @param show. */
170 void slotShowScene(bool show = true);
173 void parameterChanged();
174 void checkMonitorPosition(int);