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);
39 virtual void mousePressEvent(QMouseEvent *);
45 /** @brief Seek to next or previous frame.
46 * @param forward set to true to go to next frame, fals to go to previous frame */
47 void seek(bool forward);
49 /** @brief Switch to live view. */
53 class StopmotionWidget : public QDialog , public Ui::Stopmotion_UI
59 /** @brief Build the stopmotion dialog.
60 * @param projectFolder The current project folder, where captured files will be stored.
61 * @param actions The actions for this widget that can have a keyboard shortcut.
62 * @param parent (optional) parent widget */
63 StopmotionWidget(KUrl projectFolder, const QList< QAction * > actions, QWidget *parent = 0);
64 virtual ~StopmotionWidget();
67 virtual void closeEvent(QCloseEvent *e);
70 /** @brief Widget layout holding video and frame preview. */
71 QVBoxLayout *m_layout;
73 /** @brief Current project folder (where the captured frames will be saved). */
76 /** @brief Capture holder that will handle all video operation. */
77 CaptureHandler *m_bmCapture;
79 /** @brief Holds the name of the current sequence.
80 * Files will be saved in project folder with name: sequence001.png */
81 QString m_sequenceName;
83 /** @brief Holds the frame number of the current sequence. */
86 QAction *m_captureAction;
88 /** @brief Holds the index of the frame to be displayed in the frame preview mode. */
91 /** @brief Find all stopmotion sequences in current project folder. */
92 void parseExistingSequences();
94 /** @brief Select a frame in the list. */
95 void selectFrame(int ix);
97 /** @brief This widget will hold the frame preview. */
98 MyLabel *m_frame_preview;
100 /** @brief The list of files in the sequence to create thumbnails. */
101 QStringList m_filesList;
103 /** @brief Holds the state of the threaded thumbnail generation. */
104 QFuture<void> m_future;
106 /** @brief Get the frame number ix. */
107 QListWidgetItem *getFrameFromIndex(int ix);
109 /** @brief The action triggering interval capture. */
110 QAction *m_intervalCapture;
112 /** @brief The action triggering display of last frame over current live video feed. */
113 QAction *m_showOverlay;
115 /** @brief The list of all frames path. */
116 QStringList m_animationList;
124 /** @brief Display the live feed from capture device.
125 @param isOn enable or disable the feature */
126 void slotLive(bool isOn);
128 /** @brief Display the last captured frame over current live feed.
129 @param isOn enable or disable the feature */
130 void slotShowOverlay(bool isOn);
132 /** @brief Display the last captured frame over current live feed. */
133 void slotUpdateOverlay();
135 /** @brief User changed the capture name. */
136 void sequenceNameChanged(const QString &name);
138 /** @brief Grab a frame from current capture feed. */
139 void slotCaptureFrame();
141 /** @brief Display a previous frame in monitor. */
142 void slotShowFrame(const QString &path);
144 /** @brief Get full path for a frame in the sequence.
145 * @param ix the frame number.
146 * @param seqName (optional) the name of the sequence. */
147 QString getPathForFrame(int ix, QString seqName = QString());
149 /** @brief Add sequence to current project. */
150 void slotAddSequence();
152 /** @brief Display selected fram in monitor. */
153 void slotShowSelectedFrame();
155 /** @brief Start animation preview mode. */
156 void slotPlayPreview(bool animate);
158 /** @brief Simulate animation. */
161 /** @brief Seek to previous or next captured frame.
162 * @param forward set to true for next frame, false for previous one. */
163 void slotSeekFrame(bool forward);
165 /** @brief Display warning / error message from capture backend. */
166 void slotGotHDMIMessage(const QString &message);
168 /** @brief Create thumbnails for existing sequence frames. */
169 void slotCreateThumbs(QImage img, int ix);
171 /** @brief Prepare thumbnails creation. */
172 void slotPrepareThumbs();
174 /** @brief Called when user switches the video capture backend. */
175 void slotUpdateHandler();
177 /** @brief Show / hide sequence thumbnails. */
178 void slotShowThumbs(bool show);
180 /** @brief Capture one frame every interval time. */
181 void slotIntervalCapture(bool capture);
183 /** @brief Set the interval between each capture (in seconds). */
184 void slotSetCaptureInterval();
186 /** @brief Prepare to crete thumb for newly captured frame. */
187 void slotNewThumb(const QString path);
189 /** @brief Set the effect to be applied to overlay frame. */
190 void slotUpdateOverlayEffect(QAction *act);
192 /** @brief Switch between live view / currently selected frame. */
193 void slotSwitchLive();
195 /** @brief Delete current frame from disk. */
196 void slotRemoveFrame();
199 /** @brief Ask to add sequence to current project. */
200 void addOrUpdateSequence(const QString);
202 void doCreateThumbs(QImage, int);