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| ** Copyright (C) 2016 Research In Motion |
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| ** $QT_BEGIN_LICENSE:LGPL$ |
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| ** |
| ** GNU General Public License Usage |
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| ** Public license version 3 or any later version approved by the KDE Free |
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| ****************************************************************************/ |
| #ifndef WINDOWGRABBER_H |
| #define WINDOWGRABBER_H |
| |
| #define EGL_EGLEXT_PROTOTYPES |
| #define GL_GLEXT_PROTOTYPES |
| #include <EGL/egl.h> |
| #include <GLES2/gl2.h> |
| #include <GLES2/gl2ext.h> |
| #include <EGL/eglext.h> |
| #include <QAbstractNativeEventFilter> |
| #include <QObject> |
| #include <QSize> |
| #include <QTimer> |
| |
| #include <screen/screen.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class WindowGrabberImage : public QObject |
| { |
| Q_OBJECT |
| |
| public: |
| WindowGrabberImage(); |
| ~WindowGrabberImage(); |
| |
| bool initialize(screen_context_t screenContext); |
| |
| void destroy(); |
| |
| QImage getImage(screen_window_t window, const QSize &size); |
| GLuint getTexture(screen_window_t window, const QSize &size); |
| |
| private: |
| bool grab(screen_window_t window); |
| bool resize(const QSize &size); |
| |
| QSize m_size; |
| screen_pixmap_t m_pixmap; |
| screen_buffer_t m_pixmapBuffer; |
| EGLImageKHR m_eglImage; |
| GLuint m_glTexture; |
| unsigned char *m_bufferAddress; |
| int m_bufferStride; |
| }; |
| |
| class WindowGrabber : public QObject, public QAbstractNativeEventFilter |
| { |
| Q_OBJECT |
| |
| public: |
| explicit WindowGrabber(QObject *parent = 0); |
| ~WindowGrabber(); |
| |
| void setFrameRate(int frameRate); |
| |
| void setWindowId(const QByteArray &windowId); |
| |
| void start(); |
| void stop(); |
| |
| void pause(); |
| void resume(); |
| |
| bool nativeEventFilter(const QByteArray &eventType, void *message, long *result) override; |
| |
| bool handleScreenEvent(screen_event_t event); |
| |
| QByteArray windowGroupId() const; |
| |
| bool eglImageSupported(); |
| void checkForEglImageExtension(); |
| |
| int getNextTextureId(); |
| QImage getNextImage(); |
| |
| signals: |
| void updateScene(const QSize &size); |
| |
| private slots: |
| void triggerUpdate(); |
| |
| private: |
| bool selectBuffer(); |
| void cleanup(); |
| |
| QTimer m_timer; |
| |
| QByteArray m_windowId; |
| |
| screen_window_t m_windowParent; |
| screen_window_t m_window; |
| screen_context_t m_screenContext; |
| |
| WindowGrabberImage *m_images[2]; |
| QSize m_size; |
| |
| bool m_active; |
| int m_currentFrame; |
| bool m_eglImageSupported; |
| bool m_eglImageCheck; // We must not send a grabed frame before this is true |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif |