hyperion.ng/include/grabber/OsxFrameGrabber.h
redpanther 014a4288f9 implement osx grabber .... not tested! need testers!
tune usage hints in external grabbers


Former-commit-id: 816821dd773e90b8076e9b50ced9eb052f43c2f4
2016-03-09 11:03:20 +01:00

60 lines
1.5 KiB
C++

#pragma once
// OSX includes
#include <CoreGraphics/CoreGraphics.h>
// Utils includes
#include <utils/Image.h>
#include <utils/ColorRgb.h>
#include <utils/VideoMode.h>
#include <utils/ImageResampler.h>
///
/// The OsxFrameGrabber is used for creating snapshots of the display (screenshots)
///
class OsxFrameGrabber
{
public:
///
/// Construct a OsxFrameGrabber that will capture snapshots with specified dimensions.
///
/// @param[in] display The index of the display to capture
/// @param[in] width The width of the captured screenshot
/// @param[in] height The heigth of the captured screenshot
///
OsxFrameGrabber(const unsigned display, const unsigned width, const unsigned height);
~OsxFrameGrabber();
///
/// Set the video mode (2D/3D)
/// @param[in] mode The new video mode
///
void setVideoMode(const VideoMode videoMode);
///
/// 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)
///
void grabFrame(Image<ColorRgb> & image);
private:
/// display
const unsigned _screenIndex;
/// With of the captured snapshot [pixels]
const unsigned _width;
/// Height of the captured snapshot [pixels]
const unsigned _height;
/// Reference to the captured diaplay
CGDirectDisplayID _display;
/// Image resampler for downscaling the image
ImageResampler * _imgResampler;
};