void
XWindow::PutFrame (uint8_t* frame,
uint16_t width,
uint16_t height)
{
if (!_XImage)
return;
if (width != _imageWidth || height != _imageHeight) {
PTRACE (1, "X11\tDynamic switching of resolution not supported\n");
return;
}
XLockDisplay (_display);
if ((_state.curWidth != _XImage->width) || (_state.curHeight!=_XImage->height))
CreateXImage(_state.curWidth, _state.curHeight);
_colorConverter->Convert((BYTE*)frame, (BYTE*)_frameBuffer.get ());
pixops_scale ((guchar*) _XImage->data,
0,0,
_state.curWidth, _state.curHeight,
_state.curWidth * _planes, //dest_rowstride
_planes, //dest_channels,
FALSE, //dest_has_alpha,
(const guchar*) _frameBuffer.get (),
width,
height,
width * _planes, //src_rowstride
_planes, //src_channels,
FALSE, //src_has_alpha,
(double) _state.curWidth / width,
(double) _state.curHeight / height,
(PixopsInterpType) _scalingAlgorithm);
_XImage->data += _outOffset;
#ifdef HAVE_SHM
if (_useShm)
{
XShmPutImage(_display, _XWindow, _gc, _XImage,
0, 0,
_state.curX, _state.curY,
_state.curWidth, _state.curHeight, false);
} else
#endif
{
XPutImage(_display, _XWindow, _gc, _XImage,
0, 0,
_state.curX, _state.curY,
_state.curWidth,_state.curHeight);
}
_XImage->data -= _outOffset;
XUnlockDisplay (_display);
}
void
JXImage::ConvertToImage()
const
{
if (itsImage == NULL)
{
assert( itsPixmap != None );
JXImage* me = const_cast<JXImage*>(this);
me->itsImage = CreateXImage();
XFreePixmap(*itsDisplay, itsPixmap);
me->itsPixmap = None;
}
}
int
XWindow::Init (Display* dp,
Window rootWindow,
GC gc,
int x,
int y,
int windowWidth,
int windowHeight,
int imageWidth,
int imageHeight)
{
_display = dp;
_rootWindow = rootWindow;
_imageWidth = imageWidth;
_imageHeight = imageHeight;
PTRACE(4, "X11\tInitiasing new X11 window with " << windowWidth << "x" << windowHeight << " at " << x << "," << y);
XLockDisplay (_display);
#if PTRACING
DumpVisuals();
#endif
if (!CreateAtomsAndWindow(gc, x, y, windowWidth, windowHeight)) {
XUnlockDisplay(_display);
return 0;
}
CreateXImage(windowWidth, windowHeight);
_isInitialized = true;
XUnlockDisplay (_display);
// check if that format is supported
struct xFormatsentry* xFormat = xFormats;
while (xFormat->name) {
if (xFormat->depth == _XImage->bits_per_pixel &&
xFormat->byte_order == _XImage->byte_order &&
xFormat->red_mask == _XImage->red_mask &&
xFormat->green_mask == _XImage->green_mask &&
xFormat->blue_mask == _XImage->blue_mask)
break;
xFormat++;
}
PTRACE(4, "X11\tXImage created with format: " << _XImage->bits_per_pixel <<" BPP, "
<< "Byte order: " << (_XImage->byte_order ? "MSBFirst" : "LSBFirst")
<< " Native: " << (BO_NATIVE ? "MSBFirst" : "LSBFirst"));
PTRACE(4, std::hex << "X11\tMask: Red: 0x" << _XImage->red_mask
<< " Green: 0x" << _XImage->green_mask
<< " Blue: 0x" << _XImage->blue_mask << std::dec);
if (!xFormat->name) {
PTRACE(1, "X11\tX server image format not supported, please contact the developers");
return 0;
}
snprintf (_colorFormat, sizeof(_colorFormat), "%s", xFormat->name);
_outOffset = 0;
_planes = xFormat->planes;
#ifdef WORDS_BIGENDIAN
if (g_strcmp0 (xFormat->name, "BGRA") == 0) {
snprintf (_colorFormat, sizeof(_colorFormat), "RGB32");
_outOffset = 1;
_planes = 4;
}
if (g_strcmp0 (xFormat->name, "RGBA") == 0) {
snprintf (_colorFormat, sizeof(_colorFormat), "BGR32");
_outOffset = 1;
_planes = 4;
}
#else
if (g_strcmp0 (xFormat->name, "ABGR") == 0) {
snprintf (_colorFormat, sizeof(_colorFormat), "BGR32");
_outOffset = -1;
_planes = 4;
}
if (g_strcmp0 (xFormat->name, "ARGB") == 0) {
snprintf (_colorFormat, sizeof(_colorFormat), "RGB32");
_outOffset = -1;
_planes = 4;
}
#endif
PTRACE(4, "X11\tUsing color format: " << _colorFormat);
PTRACE(4, "X11\tPlanes: " << _planes);
PVideoFrameInfo srcFrameInfo, dstFrameInfo;
srcFrameInfo.SetFrameSize(_imageWidth,_imageHeight);
dstFrameInfo.SetFrameSize(_imageWidth,_imageHeight);
dstFrameInfo.SetColourFormat(_colorFormat);
_colorConverter = PColourConverter::Create(srcFrameInfo, dstFrameInfo);
if (!_colorConverter)
return 0;
_frameBuffer = boost::shared_ptr<void> (malloc (_imageWidth * _imageHeight * _planes), free);
// detect the window manager type
_wmType = GetWMType ();
CalculateSize (windowWidth, windowHeight, true);
return 1;
}