void MainWindow::OpenImage(const QString &fileName)
{
QScrollArea* area = new QScrollArea();
ImageWidget* img = new ImageWidget();
// Nur les- und schreibbare Bildformate werden unterstützt
if (img->OpenImage(fileName)) {
QString shortFileName = ParseFileName(fileName);
shortFileName = shortFileName.mid(0, shortFileName.lastIndexOf('.'));
// Bild in die ScrollArea laden
area->setWidget(img);
area->setStyleSheet("background: qlineargradient(x1: 0, y0: 1, x2:1, y2: 0, stop: 0.96 #383838, stop: 0.99 #2e2e2e);");
// neuen Tab hinzufügen
int index = ui->imagetab->addTab(area, shortFileName);
ui->imagetab->setTabToolTip(index, shortFileName);
ui->imagetab->setCurrentIndex(index);
// schließlich Signalhandler setzen
connect(this, SIGNAL(Arguments(QHash<QString,QString>)), img, SLOT(Arguments(QHash<QString,QString>)));
connect(this, SIGNAL(Operation(IOperation*,QHash<QString,QString>)), img, SLOT(Operation(IOperation*,QHash<QString,QString>)));
connect(this, SIGNAL(Operation(IOperation*,QHash<QString,QString>,OperationType)), img, SLOT(Operation(IOperation*,QHash<QString,QString>,OperationType)));
emit Operation(mOperation, GetArgs());
}
ImageFilterExampleWidget::ImageFilterExampleWidget(QWidget* parent) {
setWindowTitle(tr("OpenCL Image Filter Examples"));
setFixedSize(820,500);
ImageWidget *before = new ImageWidget(this);
ImageWidget *oclFiltered = new ImageWidget(this);
beforeW=before;
afterW=oclFiltered;
QLabel *beforeLabel = new QLabel(tr("Before"));
beforeLabel->setAlignment(Qt::AlignHCenter);
QLabel *afterLabel = new QLabel(tr("Ocl"));
afterLabel->setAlignment(Qt::AlignHCenter);
createMenu();
before->setFixedSize(400,400);
oclFiltered->setFixedSize(400,400);
QVBoxLayout *mainLayout = new QVBoxLayout;
setLayout(mainLayout);
mainLayout->addWidget(this->menuBar);
mainLayout->setMenuBar(this->menuBar);
QGridLayout *layout = new QGridLayout;
// layout->addWidget(menubar,0,0);
layout->addWidget(before, 0, 0);
layout->addWidget(oclFiltered, 0, 1);
layout->addWidget(beforeLabel, 1, 0);
layout->addWidget(afterLabel, 1, 1);
mainLayout->addLayout(layout);
}
OpenCVImageListRenderer::OpenCVImageListRenderer(QWidget* parent) :
DataRenderer(parent),
m_busy(false)
{
m_layout = new QHBoxLayout(this);
ImageWidget* imageWidget = new ImageWidget;
m_imageWidgets.append(imageWidget);
m_layout->addWidget( imageWidget );
QImage image = QImage(320,240,QImage::Format_RGB32);
image.fill( qRgb(0,0,0) );
// TODO make minimum configurable somewhere
imageWidget->setMinimumSize( 160, 120 );
imageWidget->setImage( image );
this->setLayout( m_layout );
m_converter = new ImageConverter(this);
qRegisterMetaType< QList<QImage> >("QList<QImage>");
connect( m_converter, SIGNAL( convertedList( QList<QImage>, int ) ),
this, SLOT( updateImages( QList<QImage>, int ) ),
Qt::UniqueConnection);
}
int main(int argc, char *argv[])
{
installLogcatMessageHandler("qimageviewer");
QApplication a(argc, argv);
QFont f = a.font();
f.setPixelSize(20);
a.setFont(f);
ImageWidget w;
w.show();
return a.exec();
}
void ImageWidget::restore(Graph *g, const QStringList& lst)
{
int frameStyle = 0;
QPen pen = QPen(Qt::black, 1, Qt::SolidLine, Qt::SquareCap, Qt::MiterJoin);
double x = 0.0, y = 0.0, right = 0.0, bottom = 0.0;
QStringList::const_iterator line;
QString fn;
bool save_xpm = false;
ImageWidget *i = NULL;
for (line = lst.begin(); line != lst.end(); line++){
QString s = *line;
if (s.contains("<Frame>"))
frameStyle = s.remove("<Frame>").remove("</Frame>").toInt();
else if (s.contains("<Color>"))
pen.setColor(QColor(s.remove("<Color>").remove("</Color>")));
else if (s.contains("<FrameWidth>"))
pen.setWidth(s.remove("<FrameWidth>").remove("</FrameWidth>").toInt());
else if (s.contains("<LineStyle>"))
pen.setStyle(PenStyleBox::penStyle(s.remove("<LineStyle>").remove("</LineStyle>").toInt()));
else if (s.contains("<x>"))
x = s.remove("<x>").remove("</x>").toDouble();
else if (s.contains("<y>"))
y = s.remove("<y>").remove("</y>").toDouble();
else if (s.contains("<right>"))
right = s.remove("<right>").remove("</right>").toDouble();
else if (s.contains("<bottom>"))
bottom = s.remove("<bottom>").remove("</bottom>").toDouble();
else if (s.contains("<path>"))
i = g->addImage(s.remove("<path>").remove("</path>"));
else if (s.contains("<xpm>")){
save_xpm = true;
if (!i){
QString xpm;
while ( s != "</xpm>" ){
s = *(++line);
xpm += s + "\n";
}
QImage image;
if (image.loadFromData(xpm.toAscii()))
i = g->addImage(image);
}
}
}
if (i){
i->setFrameStyle(frameStyle);
i->setFramePen(pen);
i->setCoordinates(x, y, right, bottom);
i->setSaveInternally(save_xpm);
}
}
ImagePlayer::ImagePlayer(QWidget *parent, QString name )
: QWidget(parent)
, surface(0)
, playButton(0)
, positionSlider(0)
{
connect(&movie, SIGNAL(stateChanged(QMovie::MovieState)),
this, SLOT(movieStateChanged(QMovie::MovieState)));
connect(&movie, SIGNAL(frameChanged(int)),
this, SLOT(frameChanged(int)));
ImageWidget *imageWidget = new ImageWidget( parent );
surface = imageWidget->videoSurface();
playButton = new QPushButton;
playButton->setEnabled(false);
playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay));
connect(playButton, SIGNAL(clicked()),
this, SLOT(play()));
positionSlider = new QSlider(Qt::Horizontal);
positionSlider->setRange(0, 0);
connect(positionSlider, SIGNAL(sliderMoved(int)),
this, SLOT(setPosition(int)));
connect(&movie, SIGNAL(frameChanged(int)),
positionSlider, SLOT(setValue(int)));
QBoxLayout *controlLayout = new QHBoxLayout;
controlLayout->setMargin(0);
//controlLayout->addWidget(openButton);
controlLayout->addWidget(playButton);
controlLayout->addWidget(positionSlider);
QBoxLayout *layout = new QVBoxLayout;
layout->addWidget( imageWidget );
layout->addLayout( controlLayout );
setLayout(layout);
//
_name = name;
openFile();
}
Vector<Widget*> MainPage::createWidgets() {
RelativeController* plc = NULL;;
TextWidget* txt = NULL;
Button* btn = NULL;
ImageWidget* img = NULL;
RelativeControllerParams imgParams(ControllerParams::MATCH_PARENT, ControllerParams::MATCH_PARENT);
RelativeControllerParams button(ControllerParams::WRAP_CONTENT, ControllerParams::WRAP_CONTENT);
button.setRelation(RelativeControllerParams::ALIGN_PARENT_BOTTOM);
button.setRelation(RelativeControllerParams::ALIGN_PARENT_LEFT);
RelativeControllerParams text(ControllerParams::WRAP_CONTENT, ControllerParams::WRAP_CONTENT);
text.setRelation(RelativeControllerParams::CENTER_IN_PARENT);
Vector<Widget*> widgets;
for (size_t i = 0; i < 10; i++) {
plc = new RelativeController(this);
mWidgetPool.append(plc);
img = new ImageWidget(this);
mWidgetPool.append(img);
img->setImageResource(gPictures[i]);
img->setScaleType(ImageWidget::FIT_XY);
plc->addWidget(img);
img->setControllerParams(&imgParams);
txt = new TextWidget(this);
txt->setControllerParams(&text);
mWidgetPool.append(txt);
txt->setText(String::format("this is %d picture.", i + 1));
txt->setTextColor(0xffff0000);
plc->addWidget(txt);
btn = new Button(this);
btn->setControllerParams(&button);
mWidgetPool.append(btn);
btn->setText(String::format("button %d", i+1));
plc->addWidget(btn);
widgets.append(plc);
}
GLOG(LOG_TAG, LOGINFO, "widgets size %d", widgets.size());
return widgets;
}
void EnrichmentDialog::setBestSize()
{
ImageWidget *iw = qobject_cast<ImageWidget *>(d_widget);
if (iw){
iw->setSize(iw->pixmap().size());
displayCoordinates(unitBox->currentIndex());
d_plot->multiLayer()->notifyChanges();
return;
}
TexWidget *tw = qobject_cast<TexWidget *>(d_widget);
if (tw){
tw->setBestSize();
displayCoordinates(unitBox->currentIndex());
d_plot->multiLayer()->notifyChanges();
return;
}
}
void EnrichmentDialog::saveImagesInternally(bool save)
{
ImageWidget *i = qobject_cast<ImageWidget *>(d_widget);
if (i)
i->setSaveInternally(boxSaveImagesInternally->isChecked());
d_plot->multiLayer()->notifyChanges();
if (save)
return;
QString fn = imagePathBox->text();
if (fn.isEmpty() || !QFile::exists(fn)){
QMessageBox::warning(d_app, tr("QtiPlot - Warning"),
tr("The file %1 doesn't exist. The image cannot be restored when reloading the project file!").arg(fn));
chooseImageFile();
}
}
void EnrichmentDialog::chooseImageFile(const QString& fn)
{
ApplicationWindow *app = (ApplicationWindow *)parentWidget();
if (!app)
return;
QString path = fn;
if (path.isEmpty())
path = ApplicationWindow::getFileName(this, tr("QtiPlot - Import image from file"), app->imagesDirPath,
ApplicationWindow::imageFilter(), 0, false);
if (!path.isEmpty()){
ImageWidget *i = qobject_cast<ImageWidget *>(d_widget);
if (i && i->load(path)){
imagePathBox->setText(path);
QFileInfo fi(path);
app->imagesDirPath = fi.dirPath(true);
app->modifiedProject();
}
}
}
void MainWindow::onShowContentSmartButtonClicked()
{
Opc::PackagePart *part = m_package->part(ui->partNameEdit->text());
if (!part)
return;
if (ui->partContentSmartButton->property("smart") == "xml") {
//Show formatted xml file contents
MceXmlWidget *edit = new MceXmlWidget(part->getDevice()->readAll());
part->releaseDevice();
edit->setAttribute(Qt::WA_DeleteOnClose);
edit->setWindowTitle(part->partName());
edit->resize(800, 600);
edit->show();
} else if (ui->partContentSmartButton->property("smart") == "image") {
//Show image
ImageWidget *edit = new ImageWidget;
edit->setAttribute(Qt::WA_DeleteOnClose);
edit->setWindowTitle(part->partName());
QImage image = QImage::fromData(part->getDevice()->readAll());
part->releaseDevice();
edit->setPixmap(QPixmap::fromImage(image));
edit->resize(800, 600);
edit->show();
}
}
int main(int argc, char** argv)
{
QApplication app(argc, argv);
MainWindow mw;
mw.show();
#if 0
try {
ImageSource * src;
src = new ImageSource("test.jpg");
Image img = src->getImage();
FilterManager<CpuGrayFilter> filterCPU;
filterCPU.process(img);
std::cout<< "filter CPU time:" << filterCPU.getTime().total_microseconds() <<"us"<< std::endl;
ImageWidget foo;
foo.setImage(img);
foo.setWindowTitle("Vis - CPU");
foo.show();
#ifdef USE_CUDA
Image img2 = src->getImage();
FilterManager<GpuGrayFilter> filterGPU;
filterGPU.process(img2);
std::cout<< "filter GPU time:" << filterGPU.getTime().total_microseconds()<<"us" << std::endl;
ImageWidget foo2;
foo2.setImage(img2);
foo2.setWindowTitle("Vis - GPU");
foo2.show();
#endif
} catch(IException & ex) {
std::cout <<ex.getMessage().toStdString() << std::endl;
return 1;
}
#endif
return app.exec();
}
ImageWidget::ImageWidget(const ImageWidget& obj) : sf::Sprite(*(obj.getTexture()))
{}
void EnrichmentDialog::setWidget(QWidget *w)
{
if (!w || !d_app)
return;
d_widget = w;
FrameWidget *fw = qobject_cast<FrameWidget *>(d_widget);
if (fw){
#ifndef QT_MAC_USE_COCOA
if (d_plot)
d_plot->deselectMarker();
#endif
frameBox->blockSignals(true);
frameBox->setCurrentIndex(fw->frameStyle());
frameBox->blockSignals(false);
frameColorBtn->blockSignals(true);
frameColorBtn->setColor(fw->frameColor());
frameColorBtn->blockSignals(false);
boxFrameLineStyle->blockSignals(true);
boxFrameLineStyle->setStyle(fw->framePen().style());
boxFrameLineStyle->blockSignals(false);
boxFrameWidth->blockSignals(true);
if (d_widget_type == Ellipse)
boxFrameWidth->setValue(fw->framePen().widthF());
else
boxFrameWidth->setValue(fw->framePen().width());
boxFrameWidth->blockSignals(false);
unitBox->setCurrentIndex(d_app->d_frame_geometry_unit);
attachToBox->setCurrentIndex((int)fw->attachPolicy());
displayCoordinates(d_app->d_frame_geometry_unit);
} else {
unitBox->setCurrentIndex(FrameWidget::Pixel);
displayCoordinates(FrameWidget::Pixel);
}
if (d_widget_type == Text){
LegendWidget *l = qobject_cast<LegendWidget *>(d_widget);
if (l){
setText(textEditBox, l->text());
textFont = l->font();
QFont fnt = textFont;
fnt.setPointSize(QFont().pointSize() + 2);
textEditBox->setFont(fnt);
textColorBtn->blockSignals(true);
textColorBtn->setColor(l->textColor());
textColorBtn->blockSignals(false);
QColor bc = l->backgroundColor();
boxBackgroundTransparency->blockSignals(true);
boxBackgroundTransparency->setValue(100*bc.alphaF());
boxBackgroundTransparency->blockSignals(false);
transparencySlider->blockSignals(true);
transparencySlider->setValue(boxBackgroundTransparency->value());
transparencySlider->blockSignals(false);
textBackgroundBtn->blockSignals(true);
textBackgroundBtn->setEnabled(bc.alpha());
bc.setAlpha(255);
textBackgroundBtn->setColor(bc);
textBackgroundBtn->blockSignals(false);
boxTextAngle->blockSignals(true);
boxTextAngle->setValue(l->angle());
boxTextAngle->blockSignals(false);
autoUpdateTextBox->setChecked(l->isAutoUpdateEnabled());
texOutputBox->setChecked(l->hasTeXOutput());
updateButtons();
}
} else if (d_widget_type == Tex){
TexWidget *tw = qobject_cast<TexWidget *>(d_widget);
if (tw){
setText(equationEditor, tw->formula());
outputLabel->setPixmap(tw->pixmap());
bestSizeButton->show();
}
return;
} else if (d_widget_type == Image){
ImageWidget *i = qobject_cast<ImageWidget *>(d_widget);
if (i){
imagePathBox->setText(i->fileName());
boxSaveImagesInternally->blockSignals(true);
boxSaveImagesInternally->setChecked(i->saveInternally());
boxSaveImagesInternally->blockSignals(false);
bestSizeButton->show();
}
} else if (d_widget_type == Frame || d_widget_type == Ellipse){
QColor bc = fw->backgroundColor();
boxTransparency->blockSignals(true);
boxTransparency->setValue(100.0*bc.alphaF());
boxTransparency->blockSignals(false);
fillTransparencySlider->blockSignals(true);
fillTransparencySlider->setValue(boxTransparency->value());
fillTransparencySlider->blockSignals(false);
bc.setAlpha(255);
backgroundColorBtn->blockSignals(true);
backgroundColorBtn->setColor(bc);
backgroundColorBtn->blockSignals(false);
patternBox->blockSignals(true);
patternBox->setPattern(fw->brush().style());
patternBox->blockSignals(false);
patternColorBtn->blockSignals(true);
patternColorBtn->setColor(fw->brush().color());
patternColorBtn->blockSignals(false);
}
}
///////////////////////////////////////////////////////////////////////////////
//
// Handle commands entered in input box.
//
///////////////////////////////////////////////////////////////////////////////
void ImageWidget::CommandCallback(Fl_Widget* pWidget, void* pData)
{
ImageWidget* pImageWidget = static_cast<ImageWidget*>(pData);
CScriptHandler::HandleCommand(static_cast<Fl_Input*>(pWidget)->value(), pImageWidget->m_pImage);
pImageWidget->Redraw();
}// CommandCallback
void EnrichmentDialog::setWidget(QWidget *w)
{
if (!w)
return;
ApplicationWindow *app = (ApplicationWindow *)parent();
if (!app)
return;
d_widget = w;
FrameWidget *fw = qobject_cast<FrameWidget *>(d_widget);
if (fw){
frameBox->blockSignals(true);
frameBox->setCurrentIndex(fw->frameStyle());
frameBox->blockSignals(false);
frameColorBtn->blockSignals(true);
frameColorBtn->setColor(fw->frameColor());
frameColorBtn->blockSignals(false);
boxFrameLineStyle->blockSignals(true);
boxFrameLineStyle->setStyle(fw->framePen().style());
boxFrameLineStyle->blockSignals(false);
boxFrameWidth->blockSignals(true);
if (d_widget_type == Ellipse)
boxFrameWidth->setValue(fw->framePen().widthF());
else
boxFrameWidth->setValue(fw->framePen().width());
boxFrameWidth->blockSignals(false);
unitBox->setCurrentIndex(app->d_frame_geometry_unit);
attachToBox->setCurrentIndex((int)fw->attachPolicy());
displayCoordinates(app->d_frame_geometry_unit);
} else {
unitBox->setCurrentIndex(FrameWidget::Pixel);
displayCoordinates(FrameWidget::Pixel);
}
if (d_widget_type == Text){
LegendWidget *l = qobject_cast<LegendWidget *>(d_widget);
if (l){
setText(textEditBox, l->text());
textFont = l->font();
QFont fnt = textFont;
fnt.setPointSize(QFont().pointSize() + 2);
textEditBox->setFont(fnt);
textColorBtn->blockSignals(true);
textColorBtn->setColor(l->textColor());
textColorBtn->blockSignals(false);
QColor bc = l->backgroundColor();
boxBackgroundTransparency->blockSignals(true);
boxBackgroundTransparency->setValue(bc.alpha());
boxBackgroundTransparency->blockSignals(false);
textBackgroundBtn->blockSignals(true);
textBackgroundBtn->setEnabled(bc.alpha());
textBackgroundBtn->setColor(bc);
textBackgroundBtn->blockSignals(false);
boxTextAngle->blockSignals(true);
boxTextAngle->setValue(l->angle());
boxTextAngle->blockSignals(false);
autoUpdateTextBox->setChecked(l->isAutoUpdateEnabled());
texOutputBox->setChecked(l->hasTeXOutput());
}
} else if (d_widget_type == Tex){
TexWidget *tw = qobject_cast<TexWidget *>(d_widget);
if (tw){
setText(equationEditor, tw->formula());
outputLabel->setPixmap(tw->pixmap());
bestSizeButton->show();
}
return;
} else if (d_widget_type == Image){
ImageWidget *i = qobject_cast<ImageWidget *>(d_widget);
if (i){
imagePathBox->setText(i->fileName());
boxSaveImagesInternally->blockSignals(true);
boxSaveImagesInternally->setChecked(i->saveInternally());
boxSaveImagesInternally->blockSignals(false);
}
} else if (d_widget_type == Frame){
RectangleWidget *r = qobject_cast<RectangleWidget *>(d_widget);
if (r){
backgroundColorBtn->blockSignals(true);
backgroundColorBtn->setColor(r->backgroundColor());
backgroundColorBtn->blockSignals(false);
boxTransparency->blockSignals(true);
boxTransparency->setValue(r->backgroundColor().alpha());
boxTransparency->blockSignals(false);
patternBox->blockSignals(true);
patternBox->setPattern(r->brush().style());
patternBox->blockSignals(false);
patternColorBtn->blockSignals(true);
patternColorBtn->setColor(r->brush().color());
patternColorBtn->blockSignals(false);
}
} else if (d_widget_type == Ellipse){
EllipseWidget *r = qobject_cast<EllipseWidget *>(d_widget);
if (r){
backgroundColorBtn->blockSignals(true);
backgroundColorBtn->setColor(r->backgroundColor());
backgroundColorBtn->blockSignals(false);
boxTransparency->blockSignals(true);
boxTransparency->setValue(r->backgroundColor().alpha());
boxTransparency->blockSignals(false);
patternBox->blockSignals(true);
patternBox->setPattern(r->brush().style());
patternBox->blockSignals(false);
patternColorBtn->blockSignals(true);
patternColorBtn->setColor(r->brush().color());
patternColorBtn->blockSignals(false);
}
}
}
ClipExample::
ClipExample(cmd_line_type *cmd_line):
DemoKernel(cmd_line),
m_shader_hoard(WRATHGLShader::shader_source()
.add_source("wobbly.vert.glsl", WRATHGLShader::from_resource),
WRATHGLShader::shader_source()
.add_source("wobbly.frag.glsl", WRATHGLShader::from_resource)),
m_first_frame(true)
{
/*
Create the WRATHTripleBufferEnabler object
which our visual items will use to sync
*/
m_tr=WRATHNew WRATHTripleBufferEnabler();
/*
Create the WRATHLayer which will contain and
draw our shape
*/
m_layer=WRATHNew WRATHLayer(m_tr);
/*
these are the transforms that will be
applied to all elements contained in the
WRATHLayer:
+ a 3D transform
+ a Projection transform
For the purpose of this example the 3D transform
will be the identity matrix. In other words no
transform will be applied to the vertex data.
Projection will be orthographic
*/
float_orthogonal_projection_params proj_params(0, width(),
height(), 0);
m_layer->simulation_matrix(WRATHLayer::projection_matrix, float4x4(proj_params));
/*
now we make a child layer of m_layer
*/
m_child_layer=WRATHNew WRATHLayer(m_layer);
const int num_clip_widgets=cmd_line->m_num_clip_widgets.m_value;
const int num_widgets=cmd_line->m_num_widgets.m_value;
/*
create our clip widgets, we will set their z_order values
so that:
- m_ring_widget is in order of ctor
- m_clip_out_widget of each is above all m_ring_widget
AND below all elements in m_widgets
- m_clip_in_widget is above all m_clip_out_widget
So what happens is that when 2 clipwidget intesect
their rings are not drawn over the clip inside region
of either one.
*/
for(int i=0; i<num_clip_widgets; ++i)
{
ClipWidget *N;
vec2 pos;
float r1, r2;
r1=static_cast<float>(rand())/static_cast<float>(RAND_MAX);
r2=static_cast<float>(rand())/static_cast<float>(RAND_MAX);
pos=vec2( r1*width(), r2*height());
N=WRATHNew ClipWidget(pos,
m_shader_hoard,
m_layer, m_child_layer,
vec4(0.0f, 0.0f, 0.0f, 1.0f));
N->m_ring_widget->z_order(-i);
N->m_clip_out_widget->z_order(-i-num_clip_widgets);
N->m_clip_in_widget->z_order(-i-2*num_clip_widgets);
m_clip_widgets.push_back(N);
}
load_images();
//make a background widget for m_layer:
m_background_widget=make_image_widget(m_layer, m_images[0]);
m_background_widget->z_order(1); //below everything in m_layer.
//make a background widget for m_child_layer
m_background_widget2=make_image_widget(m_child_layer, m_images[1]);
m_background_widget2->z_order(-3*num_clip_widgets); //below everything in m_child_layer.
for(int i=0, zi=-3*num_clip_widgets-1; i<num_widgets; ++i, --zi)
{
ImageWidget *widget;
WRATHImage *img;
img=m_images[rand()%m_images.size()];
widget=make_widget<ImageWidget>(m_child_layer,
m_shader_hoard,
WRATHDrawType::opaque_pass(),
img);
widget->translation(vec2(rand()%width(), rand()%height()) );
// widget->rotation( static_cast<float>(rand())/RAND_MAX*M_PI);
widget->m_velocity=vec2( (float)rand()/RAND_MAX*190.0f - 95.0f,
(float)rand()/RAND_MAX*190.0f - 95.0f);
widget->m_inner_radius=rand()%100;
widget->m_outer_radius=100 + rand()%100;
//make the z-order of widget decrease from -1,
//thus layer widgets are drawn on top.
widget->z_order(zi);
m_widgets.push_back(widget);
}
glClearColor(1.0, 1.0, 1.0, 1.0);
}
