hyperion.ng/include/grabber/QtGrabber.h
LordGrey efc2046ab5
Various Cleanups (#1075)
* LedDevice - Address clang findings

* Fix Windows Warnings

* Ensure newInput is initialised

* Clean-up unused elements for Plaform Capture

* Fix initialization problem and spellings

* Address clang findings and spelling corrections

* LedDevice clean-ups

* Cleanups

* Align that getLedCount is int

* Have "display" as default for Grabbers

* Fix config during start-up for missing elements

* Framegrabber Clean-up - Remove non supported grabbers from selection, filter valid options

* Typo

* Framegrabber.json - Fix property numbering

* Preselect active Grabbertype

* Sort Grabbernames

* Align options with selected element

* Fix deletion of pointer to incomplete type 'BonjourBrowserWrapper'

* Address macOS compile warnings

* Have default layout = 1 LED only to avoid errors as in #673

* Address lgtm findings

* Address finding that params passed to LedDevice discovery were not considered

* Cleanups after merging with latest master

* Update Changelog

* Address lgtm findings

* Fix comment

* Test Fix

* Fix Python Warning

* Handle Dummy Device assignment correctly

* Address delete called on non-final 'commandline::Option' that has virtual functions but non-virtual destructor

* Correct that QTimer.start accepts only int

* Have Release Python GIL & reset threat state chnage downward compatible

* Correct format specifier

* LedDevice - add assertions

* Readonly DB - Fix merge issue

* Smoothing - Fix wrong defaults

* LedDevice - correct assertion

* Show smoothing config set# in debug and related values.

* Suppress error on windows, if default file is "/dev/null"

* CMAKE - Allow to define QT_BASE_DIR dynamically via environment-variable

* Ignore Visual Studio specific files

Co-authored-by: Paulchen Panther <16664240+Paulchen-Panther@users.noreply.github.com>
2020-11-14 17:58:56 +01:00

97 lines
2.3 KiB
C++

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