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Code Issues Releases Wiki Activity

fix issue 1160

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This commit is contained in:
Paulchen-Panther 2021-01-24 13:28:20 +01:00
parent aa20f87659
commit b0afa7cd03
3 changed files with 38 additions and 38 deletions
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4
include/grabber/X11Grabber.h
View File

@ -87,8 +87,8 @@ private:
XTransform _transform;
int _pixelDecimation;
unsigned _screenWidth;
unsigned _screenHeight;
unsigned _calculatedWidth;
unsigned _calculatedHeight;
unsigned _src_x;
unsigned _src_y;

2
libsrc/grabber/qt/QtGrabber.cpp
View File

@ -115,7 +115,7 @@ int QtGrabber::updateScreenDimensions(bool force)
return -1;
const QRect& geo = _screen->geometry();
if (!force && _width == unsigned(geo.right()) && _height == unsigned(geo.bottom()))
if (!force && _width == geo.right() && _height == geo.bottom())
{
// No update required
return 0;

70
libsrc/grabber/x11/X11Grabber.cpp
View File

@ -13,8 +13,8 @@ X11Grabber::X11Grabber(int cropLeft, int cropRight, int cropTop, int cropBottom,
, _srcPicture(None)
, _dstPicture(None)
, _pixelDecimation(pixelDecimation)
, _screenWidth(0)
, _screenHeight(0)
, _calculatedWidth(0)
, _calculatedHeight(0)
, _src_x(cropLeft)
, _src_y(cropTop)
, _image(0,0)
@ -65,7 +65,7 @@ void X11Grabber::setupResources()
if(_XShmAvailable)
{
_xImage = XShmCreateImage(_x11Display, _windowAttr.visual, _windowAttr.depth, ZPixmap, NULL, &_shminfo, _width, _height);
_xImage = XShmCreateImage(_x11Display, _windowAttr.visual, _windowAttr.depth, ZPixmap, NULL, &_shminfo, _calculatedWidth, _calculatedHeight);
_shminfo.shmid = shmget(IPC_PRIVATE, (size_t) _xImage->bytes_per_line * _xImage->height, IPC_CREAT|0777);
_xImage->data = (char*)shmat(_shminfo.shmid,0,0);
_shminfo.shmaddr = _xImage->data;
@ -75,17 +75,17 @@ void X11Grabber::setupResources()
if (_XRenderAvailable)
{
_useImageResampler = false;
_useImageResampler = false;
_imageResampler.setHorizontalPixelDecimation(1);
_imageResampler.setVerticalPixelDecimation(1);
if(_XShmPixmapAvailable)
{
_pixmap = XShmCreatePixmap(_x11Display, _window, _xImage->data, &_shminfo, _width, _height, _windowAttr.depth);
_pixmap = XShmCreatePixmap(_x11Display, _window, _xImage->data, &_shminfo, _calculatedWidth, _calculatedHeight, _windowAttr.depth);
}
else
{
_pixmap = XCreatePixmap(_x11Display, _window, _width, _height, _windowAttr.depth);
_pixmap = XCreatePixmap(_x11Display, _window, _calculatedWidth, _calculatedHeight, _windowAttr.depth);
}
_srcFormat = XRenderFindVisualFormat(_x11Display, _windowAttr.visual);
_dstFormat = XRenderFindVisualFormat(_x11Display, _windowAttr.visual);
@ -96,7 +96,7 @@ void X11Grabber::setupResources()
}
else
{
_useImageResampler = true;
_useImageResampler = true;
_imageResampler.setHorizontalPixelDecimation(_pixelDecimation);
_imageResampler.setVerticalPixelDecimation(_pixelDecimation);
}
@ -176,7 +176,7 @@ int X11Grabber::grabFrame(Image<ColorRgb> & image, bool forceUpdate)
// src_y = cropTop, mask_x, mask_y, dest_x, dest_y, width, height
XRenderComposite(
_x11Display, PictOpSrc, _srcPicture, None, _dstPicture, ( _src_x/_pixelDecimation),
(_src_y/_pixelDecimation), 0, 0, 0, 0, _width, _height);
(_src_y/_pixelDecimation), 0, 0, 0, 0, _calculatedWidth, _calculatedHeight);
XSync(_x11Display, False);
@ -186,7 +186,7 @@ int X11Grabber::grabFrame(Image<ColorRgb> & image, bool forceUpdate)
}
else
{
_xImage = XGetImage(_x11Display, _pixmap, 0, 0, _width, _height, AllPlanes, ZPixmap);
_xImage = XGetImage(_x11Display, _pixmap, 0, 0, _calculatedWidth, _calculatedHeight, AllPlanes, ZPixmap);
}
}
else if (_XShmAvailable)
@ -197,7 +197,7 @@ int X11Grabber::grabFrame(Image<ColorRgb> & image, bool forceUpdate)
else
{
// all things done by xgetimage
_xImage = XGetImage(_x11Display, _window, _src_x, _src_y, _width, _height, AllPlanes, ZPixmap);
_xImage = XGetImage(_x11Display, _window, _src_x, _src_y, _calculatedWidth, _calculatedHeight, AllPlanes, ZPixmap);
}
if (_xImage == nullptr)
@ -220,45 +220,45 @@ int X11Grabber::updateScreenDimensions(bool force)
return -1;
}
if (!force && _screenWidth == unsigned(_windowAttr.width) && _screenHeight == unsigned(_windowAttr.height))
if (!force && _width == _windowAttr.width && _height == _windowAttr.height)
{
// No update required
return 0;
}
if (_screenWidth || _screenHeight)
if (_width || _height)
{
freeResources();
}
Info(_log, "Update of screen resolution: [%dx%d] to [%dx%d]", _screenWidth, _screenHeight, _windowAttr.width, _windowAttr.height);
_screenWidth = _windowAttr.width;
_screenHeight = _windowAttr.height;
Info(_log, "Update of screen resolution: [%dx%d] to [%dx%d]", _width, _height, _windowAttr.width, _windowAttr.height);
_width = _windowAttr.width;
_height = _windowAttr.height;
int width=0, height=0;
// Image scaling is performed by XRender when available, otherwise by ImageResampler
if (_XRenderAvailable)
{
width = (_screenWidth > unsigned(_cropLeft + _cropRight))
? ((_screenWidth - _cropLeft - _cropRight) / _pixelDecimation)
: _screenWidth / _pixelDecimation;
width = (_width > (_cropLeft + _cropRight))
? ((_width - _cropLeft - _cropRight) / _pixelDecimation)
: _width / _pixelDecimation;
height = (_screenHeight > unsigned(_cropTop + _cropBottom))
? ((_screenHeight - _cropTop - _cropBottom) / _pixelDecimation)
: _screenHeight / _pixelDecimation;
height = (_height > (_cropTop + _cropBottom))
? ((_height - _cropTop - _cropBottom) / _pixelDecimation)
: _height / _pixelDecimation;
Info(_log, "Using XRender for grabbing");
}
else
{
width = (_screenWidth > unsigned(_cropLeft + _cropRight))
? (_screenWidth - _cropLeft - _cropRight)
: _screenWidth;
width = (_width > (_cropLeft + _cropRight))
? (_width - _cropLeft - _cropRight)
: _width;
height = (_screenHeight > unsigned(_cropTop + _cropBottom))
? (_screenHeight - _cropTop - _cropBottom)
: _screenHeight;
height = (_height > (_cropTop + _cropBottom))
? (_height - _cropTop - _cropBottom)
: _height;
Info(_log, "Using XGetImage for grabbing");
}
@ -267,29 +267,29 @@ int X11Grabber::updateScreenDimensions(bool force)
switch (_videoMode)
{
case VideoMode::VIDEO_3DSBS:
_width = width /2;
_height = height;
_calculatedWidth = width /2;
_calculatedHeight = height;
_src_x = _cropLeft / 2;
_src_y = _cropTop;
break;
case VideoMode::VIDEO_3DTAB:
_width = width;
_height = height / 2;
_calculatedWidth = width;
_calculatedHeight = height / 2;
_src_x = _cropLeft;
_src_y = _cropTop / 2;
break;
case VideoMode::VIDEO_2D:
default:
_width = width;
_height = height;
_calculatedWidth = width;
_calculatedHeight = height;
_src_x = _cropLeft;
_src_y = _cropTop;
break;
}
Info(_log, "Update output image resolution: [%dx%d] to [%dx%d]", _image.width(), _image.height(), _width, _height);
Info(_log, "Update output image resolution: [%dx%d] to [%dx%d]", _image.width(), _image.height(), _calculatedWidth, _calculatedHeight);
_image.resize(_width, _height);
_image.resize(_calculatedWidth, _calculatedHeight);
setupResources();
return 1;