fenix/PDF4QT
1
0
Fork 0
mirror of https://github.com/JakubMelka/PDF4QT.git synced 2025-06-05 21:59:17 +02:00
Code Issues Packages Projects Releases Wiki Activity

Renderer engine selection

Browse Source
This commit is contained in:
Jakub Melka
2019-09-08 11:13:59 +02:00
parent 8d53bc81eb
commit 320633d003
8 changed files with 86 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
PdfForQtLib/sources/pdfdrawwidget.cpp
View File

@ -26,14 +26,14 @@
namespace pdf
{
PDFWidget::PDFWidget(QWidget* parent) :
PDFWidget::PDFWidget(RendererEngine engine, int samplesCount, QWidget* parent) :
QWidget(parent),
m_drawWidget(nullptr),
m_horizontalScrollBar(nullptr),
m_verticalScrollBar(nullptr),
m_proxy(nullptr)
{
m_drawWidget = new PDFOpenGLDrawWidget(this, this);
m_drawWidget = createDrawWidget(engine, samplesCount);
m_horizontalScrollBar = new QScrollBar(Qt::Horizontal, this);
m_verticalScrollBar = new QScrollBar(Qt::Vertical, this);
@ -64,6 +64,35 @@ void PDFWidget::setDocument(const PDFDocument* document, const PDFOptionalConten
m_pageRenderingErrors.clear();
}
void PDFWidget::updateRenderer(RendererEngine engine, int samplesCount)
{
PDFOpenGLDrawWidget* openglDrawWidget = qobject_cast<PDFOpenGLDrawWidget*>(m_drawWidget->getWidget());
PDFDrawWidget* softwareDrawWidget = qobject_cast<PDFDrawWidget*>(m_drawWidget->getWidget());
// Do we need to change renderer?
if ((openglDrawWidget && engine != RendererEngine::OpenGL) || (softwareDrawWidget && engine != RendererEngine::Software))
{
QGridLayout* layout = qobject_cast<QGridLayout*>(this->layout());
layout->removeWidget(m_drawWidget->getWidget());
delete m_drawWidget->getWidget();
m_drawWidget = createDrawWidget(engine, samplesCount);
layout->addWidget(m_drawWidget->getWidget(), 0, 0);
setFocusProxy(m_drawWidget->getWidget());
connect(m_proxy, &PDFDrawWidgetProxy::repaintNeeded, m_drawWidget->getWidget(), QOverload<>::of(&QWidget::update));
}
else if (openglDrawWidget)
{
// Just check the samples count
QSurfaceFormat format = openglDrawWidget->format();
if (format.samples() != samplesCount)
{
format.setSamples(samplesCount);
openglDrawWidget->setFormat(format);
}
}
}
int PDFWidget::getPageRenderingErrorCount() const
{
int count = 0;
@ -82,6 +111,24 @@ void PDFWidget::onRenderingError(PDFInteger pageIndex, const QList<PDFRenderErro
emit pageRenderingErrorsChanged(pageIndex, errors.size());
}
IDrawWidget* PDFWidget::createDrawWidget(RendererEngine rendererEngine, int samplesCount)
{
switch (rendererEngine)
{
case RendererEngine::Software:
return new PDFDrawWidget(this, this);
case RendererEngine::OpenGL:
return new PDFOpenGLDrawWidget(this, samplesCount, this);
default:
Q_ASSERT(false);
break;
}
return nullptr;
}
template<typename BaseWidget>
PDFDrawWidgetBase<BaseWidget>::PDFDrawWidgetBase(PDFWidget* widget, QWidget* parent) :
BaseWidget(parent),
@ -266,12 +313,12 @@ void PDFDrawWidgetBase<BaseWidget>::wheelEvent(QWheelEvent* event)
event->accept();
}
PDFOpenGLDrawWidget::PDFOpenGLDrawWidget(PDFWidget* widget, QWidget* parent) :
PDFOpenGLDrawWidget::PDFOpenGLDrawWidget(PDFWidget* widget, int samplesCount, QWidget* parent) :
BaseClass(widget, parent)
{
QSurfaceFormat format = this->format();
format.setProfile(QSurfaceFormat::CoreProfile);
format.setSamples(16);
format.setSamples(samplesCount);
format.setColorSpace(QSurfaceFormat::sRGBColorSpace);
format.setSwapBehavior(QSurfaceFormat::DoubleBuffer);
setFormat(format);