/**
* \brief Assign a set of MythImages to the widget for animation.
* Use is strongly discouraged, use SetFilepattern() instead.
*
*/
void MythUIImage::SetImages(QVector<MythImage *> &images)
{
Clear();
QWriteLocker updateLocker(&d->m_UpdateLock);
QSize aSize = GetArea().size();
QVector<MythImage *>::iterator it;
for (it = images.begin(); it != images.end(); ++it)
{
MythImage *im = (*it);
if (!im)
{
QMutexLocker locker(&m_ImagesLock);
m_Images[m_Images.size()] = im;
continue;
}
im->UpRef();
if (!m_ForceSize.isNull())
{
int w = (m_ForceSize.width() <= 0) ? im->width() : m_ForceSize.width();
int h = (m_ForceSize.height() <= 0) ? im->height() : m_ForceSize.height();
im->Resize(QSize(w, h), m_preserveAspect);
}
if (m_isReflected && !im->IsReflected())
im->Reflect(m_reflectAxis, m_reflectShear, m_reflectScale,
m_reflectLength, m_reflectSpacing);
if (m_isGreyscale && !im->isGrayscale())
im->ToGreyscale();
m_ImagesLock.lock();
m_Images[m_Images.size()] = im;
m_ImagesLock.unlock();
aSize = aSize.expandedTo(im->size());
}
SetImageCount(1, m_Images.size());
if (m_ForceSize.isNull())
SetSize(aSize);
m_CurPos = 0;
SetRedraw();
}
/**
* \brief Assign a set of MythImages to the widget for animation.
* Use is strongly discouraged, use SetFilepattern() instead.
*
*/
void MythUIImage::SetImages(QVector<MythImage *> *images)
{
Clear();
QWriteLocker updateLocker(&d->m_UpdateLock);
QSize aSize = GetFullArea().size();
m_imageProperties.isThemeImage = false;
QVector<MythImage *>::iterator it;
for (it = images->begin(); it != images->end(); ++it)
{
MythImage *im = (*it);
if (!im)
{
QMutexLocker locker(&m_ImagesLock);
m_Images[m_Images.size()] = im;
continue;
}
im->IncrRef();
QSize forceSize = m_imageProperties.forceSize;
if (!forceSize.isNull())
{
int w = (forceSize.width() <= 0) ? im->width() : forceSize.width();
int h = (forceSize.height() <= 0) ? im->height() : forceSize.height();
im->Resize(QSize(w, h), m_imageProperties.preserveAspect);
}
if (m_imageProperties.isReflected && !im->IsReflected())
im->Reflect(m_imageProperties.reflectAxis,
m_imageProperties.reflectShear,
m_imageProperties.reflectScale,
m_imageProperties.reflectLength,
m_imageProperties.reflectSpacing);
if (m_imageProperties.isGreyscale && !im->isGrayscale())
im->ToGreyscale();
if (m_imageProperties.isOriented && !im->IsOriented() &&
(m_imageProperties.orientation >= 1 &&
m_imageProperties.orientation <= 8))
im->Orientation(m_imageProperties.orientation);
m_ImagesLock.lock();
m_Images[m_Images.size()] = im;
m_ImagesLock.unlock();
aSize = aSize.expandedTo(im->size());
}
SetImageCount(1, m_Images.size());
if (m_imageProperties.forceSize.isNull())
SetSize(aSize);
MythRect rect(GetFullArea());
rect.setSize(aSize);
SetMinArea(rect);
m_CurPos = 0;
m_animatedImage = true;
m_Initiator = m_EnableInitiator;
SetRedraw();
}
static MythImage *LoadImage(MythPainter *painter,
// Must be a copy for thread safety
ImageProperties imProps,
ImageCacheMode cacheMode,
// Included only to check address, could be
// replaced by generating a unique value for
// each MythUIImage object?
const MythUIImage *parent,
bool &aborted,
MythImageReader *imageReader = NULL)
{
QString cacheKey = GenImageLabel(imProps);
if (!PreLoad(cacheKey, parent))
{
aborted = true;
return NULL;
}
QString filename = imProps.filename;
MythImage *image = NULL;
bool bResize = false;
bool bFoundInCache = false;
int w = -1;
int h = -1;
if (!imProps.forceSize.isNull())
{
if (imProps.forceSize.width() != -1)
w = imProps.forceSize.width();
if (imProps.forceSize.height() != -1)
h = imProps.forceSize.height();
bResize = true;
}
if (!imageReader)
{
image = GetMythUI()->LoadCacheImage(filename, cacheKey,
painter, cacheMode);
}
if (image)
{
if (VERBOSE_LEVEL_CHECK(VB_GUI | VB_FILE, LOG_INFO))
{
image->IncrRef();
int cnt = image->DecrRef();
LOG(VB_GUI | VB_FILE, LOG_INFO,
QString("ImageLoader::LoadImage(%1) Found in cache, "
"RefCount = %2")
.arg(cacheKey).arg(cnt));
}
if (imProps.isReflected)
image->setIsReflected(true);
if (imProps.isOriented)
image->setIsOriented(true);
bFoundInCache = true;
}
else
{
LOG(VB_GUI | VB_FILE, LOG_INFO,
QString("ImageLoader::LoadImage(%1) NOT Found in cache. "
"Loading Directly").arg(cacheKey));
image = painter->GetFormatImage();
bool ok = false;
if (imageReader)
ok = image->Load(imageReader);
else
ok = image->Load(filename);
if (!ok)
{
image->DecrRef();
image = NULL;
}
}
if (image && image->isNull())
{
LOG(VB_GUI | VB_FILE, LOG_INFO,
QString("ImageLoader::LoadImage(%1) Image is NULL")
.arg(filename));
image->DecrRef();
image = NULL;
}
if (image && !bFoundInCache)
{
if (imProps.isReflected)
image->Reflect(imProps.reflectAxis, imProps.reflectShear,
imProps.reflectScale, imProps.reflectLength,
imProps.reflectSpacing);
if (imProps.isGreyscale)
image->ToGreyscale();
if (imProps.isOriented)
image->Orientation(imProps.orientation);
// Even if an explicit size wasn't defined this image may still need
// to be scaled because of a difference between the theme resolution
// and the screen resolution. We want to avoid scaling twice.
if (!bResize && imProps.isThemeImage)
{
float wmult; // Width multipler
float hmult; // Height multipler
GetMythUI()->GetScreenSettings(wmult, hmult);
if (wmult != 1.0f || hmult != 1.0f)
{
w = image->size().width() * wmult;
h = image->size().height() * hmult;
bResize = true;
}
}
if (bResize)
image->Resize(QSize(w, h), imProps.preserveAspect);
if (imProps.isMasked)
{
QRect imageArea = image->rect();
QRect maskArea = imProps.GetMaskImageRect();
// Crop the mask to the image
int x = 0;
int y = 0;
if (maskArea.width() > imageArea.width())
x = (maskArea.width() - imageArea.width()) / 2;
if (maskArea.height() > imageArea.height())
y = (maskArea.height() - imageArea.height()) / 2;
if (x > 0 || y > 0)
imageArea.translate(x, y);
QImage mask = imProps.GetMaskImageSubset(imageArea);
image->setAlphaChannel(mask.alphaChannel());
}
if (!imageReader)
GetMythUI()->CacheImage(cacheKey, image);
}
if (image)
image->SetChanged();
PostLoad(cacheKey);
return image;
}
/**
* \copydoc MythUIType::ParseElement()
*/
bool MythUIImage::ParseElement(
const QString &filename, QDomElement &element, bool showWarnings)
{
QWriteLocker updateLocker(&d->m_UpdateLock);
if (element.tagName() == "filename")
{
m_imageProperties.isThemeImage = true; // This is an image distributed with the them
m_OrigFilename = m_imageProperties.filename = getFirstText(element);
if (m_imageProperties.filename.endsWith('/'))
{
m_showingRandomImage = true;
m_imageDirectory = m_imageProperties.filename;
FindRandomImage();
}
}
else if (element.tagName() == "filepattern")
{
m_imageProperties.isThemeImage = true; // This is an image distributed with the theme
m_OrigFilename = m_imageProperties.filename = getFirstText(element);
QString tmp = element.attribute("low");
if (!tmp.isEmpty())
m_LowNum = tmp.toInt();
tmp = element.attribute("high");
if (!tmp.isEmpty())
m_HighNum = tmp.toInt();
tmp = element.attribute("cycle", "start");
if (tmp == "reverse")
m_animationCycle = kCycleReverse;
}
else if (element.tagName() == "area")
{
SetArea(parseRect(element));
m_imageProperties.forceSize = m_Area.size();
}
else if (element.tagName() == "preserveaspect")
m_imageProperties.preserveAspect = parseBool(element);
else if (element.tagName() == "crop")
m_imageProperties.cropRect = parseRect(element);
else if (element.tagName() == "delay")
{
QString value = getFirstText(element);
if (value.contains(","))
{
QVector<int> delays;
QStringList tokens = value.split(",");
QStringList::iterator it = tokens.begin();
for (; it != tokens.end(); ++it)
{
if ((*it).isEmpty())
{
if (delays.size())
delays.append(delays[delays.size()-1]);
else
delays.append(0); // Default 0ms delay before first image
}
else
{
delays.append((*it).toInt());
}
}
if (delays.size())
{
m_Delay = delays[0];
SetDelays(delays);
}
}
else
{
m_Delay = value.toInt();
}
}
else if (element.tagName() == "reflection")
{
m_imageProperties.isReflected = true;
QString tmp = element.attribute("axis");
if (!tmp.isEmpty())
{
if (tmp.toLower() == "horizontal")
m_imageProperties.reflectAxis = ReflectHorizontal;
else
m_imageProperties.reflectAxis = ReflectVertical;
}
tmp = element.attribute("shear");
if (!tmp.isEmpty())
m_imageProperties.reflectShear = tmp.toInt();
tmp = element.attribute("scale");
if (!tmp.isEmpty())
m_imageProperties.reflectScale = tmp.toInt();
tmp = element.attribute("length");
if (!tmp.isEmpty())
m_imageProperties.reflectLength = tmp.toInt();
tmp = element.attribute("spacing");
if (!tmp.isEmpty())
m_imageProperties.reflectSpacing = tmp.toInt();
}
else if (element.tagName() == "mask")
{
QString maskfile = getFirstText(element);
MythImage *newMaskImage = GetPainter()->GetFormatImage();
if (newMaskImage->Load(maskfile))
{
float wmult; // Width multipler
float hmult; // Height multipler
GetMythUI()->GetScreenSettings(wmult, hmult);
if (wmult != 1.0f || hmult != 1.0f)
{
int width = newMaskImage->size().width() * wmult;
int height = newMaskImage->size().height() * hmult;
newMaskImage->Resize(QSize(width, height));
}
m_imageProperties.SetMaskImage(newMaskImage);
}
else
m_imageProperties.SetMaskImage(NULL);
newMaskImage->DecrRef();
}
else if (element.tagName() == "grayscale" ||
element.tagName() == "greyscale")
{
m_imageProperties.isGreyscale = parseBool(element);
}
else
{
return MythUIType::ParseElement(filename, element, showWarnings);
}
m_NeedLoad = true;
if (m_Parent && m_Parent->IsDeferredLoading(true))
m_NeedLoad = false;
return true;
}
/**
* \brief Load an image
*/
MythImage *MythUIImage::LoadImage(
MythImageReader &imageReader, const QString &imFile,
QSize bForceSize, int cacheMode)
{
QString filename = imFile;
m_loadingImagesLock.lock();
// Check to see if the image is being loaded by us in another thread
if ((m_loadingImages.contains(filename)) &&
(m_loadingImages[filename] == this))
{
VERBOSE(VB_GUI|VB_FILE|VB_EXTRA, LOC + QString(
"MythUIImage::LoadImage(%1), this "
"file is already being loaded by this same MythUIImage in "
"another thread.").arg(filename));
m_loadingImagesLock.unlock();
return NULL;
}
// Check to see if the exact same image is being loaded anywhere else
while (m_loadingImages.contains(filename))
m_loadingImagesCond.wait(&m_loadingImagesLock);
m_loadingImages[filename] = this;
m_loadingImagesLock.unlock();
VERBOSE(VB_GUI|VB_FILE, LOC + QString("LoadImage(%2) Object %3")
.arg(filename).arg(objectName()));
MythImage *image = NULL;
bool bForceResize = false;
bool bFoundInCache = false;
QString imagelabel;
int w = -1;
int h = -1;
if (!bForceSize.isNull())
{
if (bForceSize.width() != -1)
w = bForceSize.width();
if (bForceSize.height() != -1)
h = bForceSize.height();
bForceResize = true;
}
imagelabel = GenImageLabel(filename, w, h);
if (!imageReader.supportsAnimation())
{
image = GetMythUI()->LoadCacheImage(
filename, imagelabel, GetPainter(), (ImageCacheMode) cacheMode);
}
if (image)
{
image->UpRef();
VERBOSE(VB_GUI|VB_FILE, LOC +
QString("LoadImage found in cache :%1: RefCount = %2")
.arg(imagelabel).arg(image->RefCount()));
if (m_isReflected)
image->setIsReflected(true);
bFoundInCache = true;
}
else
{
VERBOSE(VB_GUI|VB_FILE, LOC +
QString("LoadImage Not Found in cache. "
"Loading Directly :%1:").arg(filename));
image = GetPainter()->GetFormatImage();
image->UpRef();
bool ok = false;
if (imageReader.supportsAnimation())
ok = image->Load(imageReader);
else
ok = image->Load(filename);
if (!ok)
{
image->DownRef();
m_loadingImagesLock.lock();
m_loadingImages.remove(filename);
m_loadingImagesCond.wakeAll();
m_loadingImagesLock.unlock();
return NULL;
}
}
if (!bFoundInCache)
{
if (bForceResize)
image->Resize(QSize(w, h), m_preserveAspect);
if (m_isMasked)
{
QRect imageArea = image->rect();
QRect maskArea = m_maskImage->rect();
// Crop the mask to the image
int x = 0;
int y = 0;
if (maskArea.width() > imageArea.width())
x = (maskArea.width() - imageArea.width()) / 2;
if (maskArea.height() > imageArea.height())
y = (maskArea.height() - imageArea.height()) / 2;
if (x > 0 || y > 0)
imageArea.translate(x,y);
d->m_UpdateLock.lockForWrite();
QImage mask = m_maskImage->copy(imageArea);
d->m_UpdateLock.unlock();
image->setAlphaChannel(mask.alphaChannel());
}
if (m_isReflected)
image->Reflect(m_reflectAxis, m_reflectShear, m_reflectScale,
m_reflectLength, m_reflectSpacing);
if (m_isGreyscale)
image->ToGreyscale();
if (!imageReader.supportsAnimation())
GetMythUI()->CacheImage(imagelabel, image);
}
if (image->isNull())
{
VERBOSE(VB_GUI|VB_FILE, LOC + QString("LoadImage Image is NULL :%1:")
.arg(filename));
image->DownRef();
Reset();
m_loadingImagesLock.lock();
m_loadingImages.remove(filename);
m_loadingImagesCond.wakeAll();
m_loadingImagesLock.unlock();
return NULL;
}
image->SetChanged();
m_loadingImagesLock.lock();
m_loadingImages.remove(filename);
m_loadingImagesCond.wakeAll();
m_loadingImagesLock.unlock();
return image;
}