本文整理汇总了C++中QPlatformWindowFormat::setAlpha方法的典型用法代码示例。如果您正苦于以下问题：C++ QPlatformWindowFormat::setAlpha方法的具体用法？C++ QPlatformWindowFormat::setAlpha怎么用？C++ QPlatformWindowFormat::setAlpha使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QPlatformWindowFormat的用法示例。
在下文中一共展示了QPlatformWindowFormat::setAlpha方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: toPlatformWindowFormat
/*!
\since 4.8
Returns a platform window format for the OpenGL format specified by \a format.
*/
QPlatformWindowFormat QGLFormat::toPlatformWindowFormat(const QGLFormat &format)
{
QPlatformWindowFormat retFormat;
retFormat.setAccum(format.accum());
if (format.accumBufferSize() >= 0)
retFormat.setAccumBufferSize(format.accumBufferSize());
retFormat.setAlpha(format.alpha());
if (format.alphaBufferSize() >= 0)
retFormat.setAlphaBufferSize(format.alphaBufferSize());
if (format.blueBufferSize() >= 0)
retFormat.setBlueBufferSize(format.blueBufferSize());
retFormat.setDepth(format.depth());
if (format.depthBufferSize() >= 0)
retFormat.setDepthBufferSize(format.depthBufferSize());
retFormat.setDirectRendering(format.directRendering());
retFormat.setDoubleBuffer(format.doubleBuffer());
if (format.greenBufferSize() >= 0)
retFormat.setGreenBufferSize(format.greenBufferSize());
if (format.redBufferSize() >= 0)
retFormat.setRedBufferSize(format.redBufferSize());
retFormat.setRgba(format.rgba());
retFormat.setSampleBuffers(format.sampleBuffers());
if (format.samples() >= 0)
retFormat.setSamples(format.samples());
retFormat.setStencil(format.stencil());
if (format.stencilBufferSize() >= 0)
retFormat.setStencilBufferSize(format.stencilBufferSize());
retFormat.setStereo(format.stereo());
retFormat.setSwapInterval(format.swapInterval());
return retFormat;
}示例2: chooseContext
bool QGLContext::chooseContext(const QGLContext* shareContext)
{
Q_D(QGLContext);
if(!d->paintDevice || d->paintDevice->devType() != QInternal::Widget) {
d->valid = false;
}else {
QWidget *widget = static_cast<QWidget *>(d->paintDevice);
if (!widget->platformWindow()){
QGLFormat glformat = format();
QPlatformWindowFormat winFormat = QGLFormat::toPlatformWindowFormat(glformat);
if (shareContext) {
winFormat.setSharedContext(shareContext->d_func()->platformContext);
}
if (widget->testAttribute(Qt::WA_TranslucentBackground))
winFormat.setAlpha(true);
winFormat.setWindowApi(QPlatformWindowFormat::OpenGL);
winFormat.setWindowSurface(false);
widget->setPlatformWindowFormat(winFormat);
widget->winId();//make window
}
d->platformContext = widget->platformWindow()->glContext();
Q_ASSERT(d->platformContext);
d->glFormat = QGLFormat::fromPlatformWindowFormat(d->platformContext->platformWindowFormat());
d->valid =(bool) d->platformContext;
if (d->valid) {
d->platformContext->setQGLContextHandle(this,qDeleteQGLContext);
}
d->setupSharing();
}
return d->valid;
}示例3: qglx_reducePlatformWindowFormat
QPlatformWindowFormat qglx_reducePlatformWindowFormat(const QPlatformWindowFormat &format, bool *reduced)
{
QPlatformWindowFormat retFormat = format;
*reduced = true;
if (retFormat.sampleBuffers()) {
retFormat.setSampleBuffers(false);
} else if (retFormat.stereo()) {
retFormat.setStereo(false);
} else if (retFormat.accum()) {
retFormat.setAccum(false);
}else if (retFormat.stencil()) {
retFormat.setStencil(false);
}else if (retFormat.alpha()) {
retFormat.setAlpha(false);
}else if (retFormat.depth()) {
retFormat.setDepth(false);
}else if (retFormat.doubleBuffer()) {
retFormat.setDoubleBuffer(false);
}else{
*reduced = false;
}
return retFormat;
}