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phantomjs
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Code Issues Releases Wiki Activity

Don't copy buffers, but translate the QPainter instead when clipping

1.1
Wouter de Bie 2011-03-29 21:01:40 +02:00
parent f96d113302
commit affdd9b245
1 changed files with 17 additions and 9 deletions
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26
src/phantomjs.cpp
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@ -389,30 +389,38 @@ bool Phantom::render(const QString &fileName)
QSize viewportSize = m_page.viewportSize();
QSize pageSize;
QSize pageSize = m_page.mainFrame()->contentsSize();
pageSize = m_page.mainFrame()->contentsSize();
QSize bufferSize;
if(!m_clipRect.isEmpty()){
bufferSize = m_clipRect.size();
} else {
bufferSize = m_page.mainFrame()->contentsSize();
}
if (pageSize.isEmpty())
return false;
QImage buffer(pageSize, QImage::Format_ARGB32);
QImage buffer(bufferSize, QImage::Format_ARGB32);
buffer.fill(qRgba(255, 255, 255, 0));
QPainter p(&buffer);
p.setRenderHint(QPainter::Antialiasing, true);
p.setRenderHint(QPainter::TextAntialiasing, true);
p.setRenderHint(QPainter::SmoothPixmapTransform, true);
m_page.setViewportSize(pageSize);
m_page.mainFrame()->render(&p);
if(!m_clipRect.isEmpty()){
p.translate(-m_clipRect.left(), -m_clipRect.top());
m_page.mainFrame()->render(&p, QRegion(m_clipRect));
} else {
m_page.mainFrame()->render(&p);
}
p.end();
m_page.setViewportSize(viewportSize);
if(!m_clipRect.isEmpty()){
buffer = buffer.copy(m_clipRect);
}
if (fileName.toLower().endsWith(".gif")) {
return exportGif(buffer, fileName);
}