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https://github.com/hyperion-project/hyperion.ng.git
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97 lines
2.3 KiB
C++
97 lines
2.3 KiB
C++
#pragma once
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#include <QObject>
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// Hyperion-utils includes
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#include <utils/ColorRgb.h>
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#include <hyperion/Grabber.h>
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class QScreen;
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///
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/// @brief The platform capture implementation based on QT API
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///
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class QtGrabber : public Grabber
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{
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public:
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QtGrabber(int cropLeft, int cropRight, int cropTop, int cropBottom, int pixelDecimation, int display);
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~QtGrabber() override;
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///
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/// Captures a single snapshot of the display and writes the data to the given image. The
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/// provided image should have the same dimensions as the configured values (_width and
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/// _height)
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///
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/// @param[out] image The snapped screenshot (should be initialized with correct width and
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/// height)
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///
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virtual int grabFrame(Image<ColorRgb> & image);
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///
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/// @brief Set a new video mode
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///
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virtual void setVideoMode(VideoMode mode);
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///
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/// @brief Apply new width/height values, overwrite Grabber.h implementation as qt doesn't use width/height, just pixelDecimation to calc dimensions
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///
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virtual bool setWidthHeight(int width, int height) { return true; };
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///
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/// @brief Apply new pixelDecimation
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///
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virtual void setPixelDecimation(int pixelDecimation);
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///
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/// Set the crop values
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/// @param cropLeft Left pixel crop
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/// @param cropRight Right pixel crop
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/// @param cropTop Top pixel crop
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/// @param cropBottom Bottom pixel crop
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///
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virtual void setCropping(unsigned cropLeft, unsigned cropRight, unsigned cropTop, unsigned cropBottom);
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///
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/// @brief Apply display index
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///
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virtual void setDisplayIndex(int index);
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private slots:
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///
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/// @brief is called whenever the current _screen changes it's geometry
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/// @param geo The new geometry
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///
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void geometryChanged(const QRect &geo);
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private:
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///
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/// @brief Setup a new capture display, will free the previous one
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/// @return True on success, false if no display is found
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///
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bool setupDisplay();
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///
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/// @brief Is called whenever we need new screen dimension calculations based on window geometry
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///
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int updateScreenDimensions(const bool& force);
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///
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/// @brief free the _screen pointer
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///
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void freeResources();
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private:
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unsigned _display;
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int _pixelDecimation;
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unsigned _screenWidth;
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unsigned _screenHeight;
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unsigned _src_x;
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unsigned _src_y;
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unsigned _src_x_max;
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unsigned _src_y_max;
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QScreen* _screen;
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};
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