1 /***************************************************************************
2 titlewidget.h - description
5 copyright : (C) 2008 by Marco Gittler
6 email : g.marco@freenet.de
7 ***************************************************************************/
9 /***************************************************************************
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
16 ***************************************************************************/
21 #include "ui_stopmotion_ui.h"
22 #include "../blackmagic/capture.h"
27 #include <QVBoxLayout>
29 class MyLabel : public QLabel
33 MyLabel(QWidget *parent = 0);
34 void setImage(QImage img);
37 virtual void paintEvent(QPaintEvent * event);
38 virtual void wheelEvent(QWheelEvent * event);
44 /** @brief Seek to next or previous frame.
45 * @param forward set to true to go to next frame, fals to go to previous frame */
46 void seek(bool forward);
49 class StopmotionWidget : public QDialog , public Ui::Stopmotion_UI
55 /** @brief Build the stopmotion dialog.
56 * @param projectFolder The current project folder, where captured files will be stored.
57 * @param actions The actions for this widget that can have a keyboard shortcut.
58 * @param parent (optional) parent widget */
59 StopmotionWidget(KUrl projectFolder, const QList< QAction * > actions, QWidget *parent = 0);
60 virtual ~StopmotionWidget();
63 virtual void closeEvent(QCloseEvent *e);
66 /** @brief Widget layout holding video and frame preview. */
67 QVBoxLayout *m_layout;
69 /** @brief Current project folder (where the captured frames will be saved). */
72 /** @brief Capture holder that will handle all video operation. */
73 CaptureHandler *m_bmCapture;
75 /** @brief Holds the name of the current sequence.
76 * Files will be saved in project folder with name: sequence001.png */
77 QString m_sequenceName;
79 /** @brief Holds the frame number of the current sequence. */
82 QAction *m_captureAction;
84 /** @brief Holds the index of the frame to be displayed in the frame preview mode. */
87 /** @brief Find all stopmotion sequences in current project folder. */
88 void parseExistingSequences();
90 /** @brief Select a frame in the list. */
91 void selectFrame(int ix);
93 /** @brief This widget will hold the frame preview. */
94 MyLabel *m_frame_preview;
96 /** @brief The list of files in the sequence to create thumbnails. */
97 QStringList m_filesList;
99 /** @brief Holds the state of the threaded thumbnail generation. */
100 QFuture<void> m_future;
102 /** @brief Get the frame number ix. */
103 QListWidgetItem *getFrameFromIndex(int ix);
105 /** @brief The action triggering interval capture. */
106 QAction *m_intervalCapture;
108 /** @brief The action triggering display of last frame over current live video feed. */
109 QAction *m_showOverlay;
111 /** @brief The list of all frames path. */
112 QStringList m_animationList;
120 /** @brief Display the live feed from capture device.
121 @param isOn enable or disable the feature */
122 void slotLive(bool isOn);
124 /** @brief Display the last captured frame over current live feed.
125 @param isOn enable or disable the feature */
126 void slotShowOverlay(bool isOn);
128 /** @brief Display the last captured frame over current live feed. */
129 void slotUpdateOverlay();
131 /** @brief User changed the capture name. */
132 void sequenceNameChanged(const QString &name);
134 /** @brief Grab a frame from current capture feed. */
135 void slotCaptureFrame();
137 /** @brief Display a previous frame in monitor. */
138 void slotShowFrame(const QString &path);
140 /** @brief Get full path for a frame in the sequence.
141 * @param ix the frame number.
142 * @param seqName (optional) the name of the sequence. */
143 QString getPathForFrame(int ix, QString seqName = QString());
145 /** @brief Add sequence to current project. */
146 void slotAddSequence();
148 /** @brief Display selected fram in monitor. */
149 void slotShowSelectedFrame();
151 /** @brief Start animation preview mode. */
152 void slotPlayPreview(bool animate);
154 /** @brief Simulate animation. */
157 /** @brief Seek to previous or next captured frame.
158 * @param forward set to true for next frame, false for previous one. */
159 void slotSeekFrame(bool forward);
161 /** @brief Display warning / error message from capture backend. */
162 void slotGotHDMIMessage(const QString &message);
164 /** @brief Create thumbnails for existing sequence frames. */
165 void slotCreateThumbs(QImage img, int ix);
167 /** @brief Prepare thumbnails creation. */
168 void slotPrepareThumbs();
170 /** @brief Called when user switches the video capture backend. */
171 void slotUpdateHandler();
173 /** @brief Show / hide sequence thumbnails. */
174 void slotShowThumbs(bool show);
176 /** @brief Capture one frame every interval time. */
177 void slotIntervalCapture(bool capture);
179 /** @brief Set the interval between each capture (in seconds). */
180 void slotSetCaptureInterval();
182 /** @brief Prepare to crete thumb for newly captured frame. */
183 void slotNewThumb(const QString path);
185 /** @brief Set the effect to be applied to overlay frame. */
186 void slotUpdateOverlayEffect(QAction *act);
188 /** @brief Switch between live view / currently selected fram. */
189 void slotSwitchLive();
191 /** @brief Ask to add sequence to current project. */
192 void addOrUpdateSequence(const QString);
194 void doCreateThumbs(QImage, int);