void cThumbnailWidget::AssignParameters(const cParameterContainer &_params,
const cFractalContainer &_fractal)
{
*params = _params;
*fractal = _fractal;
params->Set("image_width", tWidth * oversample);
params->Set("image_height", tHeight * oversample);
cSettings tempSettings(cSettings::formatCondensedText);
tempSettings.CreateText(params, fractal);
oldHash = hash;
hash = tempSettings.GetHashCode();
if(hash != oldHash)
{
stopRequest = true;
while (image->IsUsed())
{
//just wait and pray
}
emit settingsChanged();
isRendered = false;
hasParameters = true;
QString thumbnailFileName = systemData.thumbnailDir + hash + QString(".png");
if (QFileInfo::exists(thumbnailFileName) && !disableThumbnailCache)
{
stopRequest = true;
isRendered = true;
while (image->IsUsed())
{
//just wait and pray
}
QPixmap pixmap;
pixmap.load(thumbnailFileName);
pixmap = pixmap.scaled(tWidth, tHeight, Qt::KeepAspectRatio, Qt::SmoothTransformation);
QImage qimage = pixmap.toImage();
qimage = qimage.convertToFormat(QImage::Format_RGB888);
sRGB8 *bitmap;
bitmap = (sRGB8*) (qimage.bits());
int bwidth = qimage.width();
int bheight = qimage.height();
sRGB8 *previewPointer = (sRGB8*) image->GetPreviewPrimaryPtr();
sRGB8 *preview2Pointer = (sRGB8*) image->GetPreviewPtr();
memcpy(previewPointer, bitmap, sizeof(sRGB8) * bwidth * bheight);
memcpy(preview2Pointer, bitmap, sizeof(sRGB8) * bwidth * bheight);
emit thumbnailRendered();
}
else
{
if(!disableTimer)
{
//render thumbnail after random time. It forces rendering of widgets when they are not visible. It makes rendering of widgets when they are idle.
timer->start(Random(100000) * 10 + 1);
}
}
}
}
void cThumbnailWidget::AssignParameters(
const cParameterContainer &_params, const cFractalContainer &_fractal)
{
if (image)
{
if (!params) params = new cParameterContainer;
if (!fractal) fractal = new cFractalContainer;
*params = _params;
*fractal = _fractal;
params->Set("image_width", tWidth * oversample);
params->Set("image_height", tHeight * oversample);
params->Set("stereo_mode", int(cStereo::stereoRedCyan));
params->Set("DOF_max_noise", params->Get<double>("DOF_max_noise") * 10.0);
params->Set("DOF_min_samples", 5);
double distance =
cInterface::GetDistanceForPoint(params->Get<CVector3>("camera"), params, fractal);
if (distance < 1e-5)
{
params->Set("opencl_mode", 0);
}
cSettings tempSettings(cSettings::formatCondensedText);
tempSettings.CreateText(params, fractal);
oldHash = hash;
hash = tempSettings.GetHashCode();
if (hash != oldHash)
{
stopRequest = true;
while (image->IsUsed())
{
// just wait and pray
}
emit settingsChanged();
isRendered = false;
hasParameters = true;
QString thumbnailFileName = GetThumbnailFileName();
if (QFileInfo::exists(thumbnailFileName) && !disableThumbnailCache)
{
stopRequest = true;
isRendered = true;
while (image->IsUsed())
{
// just wait and pray
}
QPixmap pixmap;
pixmap.load(thumbnailFileName);
pixmap = pixmap.scaled(tWidth, tHeight, Qt::KeepAspectRatio, Qt::SmoothTransformation);
QImage qImage = pixmap.toImage();
qImage = qImage.convertToFormat(QImage::Format_RGB888);
sRGB8 *previewPointer = reinterpret_cast<sRGB8 *>(image->GetPreviewPrimaryPtr());
sRGB8 *preview2Pointer = reinterpret_cast<sRGB8 *>(image->GetPreviewPtr());
int bWidth = qImage.width();
int bHeight = qImage.height();
if (!qImage.isNull())
{
for (int y = 0; y < bHeight; y++)
{
sRGB8 *line = reinterpret_cast<sRGB8 *>(qImage.scanLine(y));
for (int x = 0; x < bWidth; x++)
{
sRGB8 pixel(static_cast<unsigned short>(line[x].R),
static_cast<unsigned short>(line[x].G), static_cast<unsigned short>(line[x].B));
previewPointer[x + y * bWidth] = pixel;
preview2Pointer[x + y * bWidth] = pixel;
}
}
}
delete params;
params = nullptr;
delete fractal;
fractal = nullptr;
emit thumbnailRendered();
}
else
{
if (!disableTimer)
{
// render thumbnail after random time. It forces rendering of widgets when they are not
// visible. It makes rendering of widgets when they are idle.
timer->start(Random(1000000) * 10 + 60000);
}
}
}
}
else
{
qCritical() << "Image not yet allocated!";
}
}
