PlatformPathOpenVG::~PlatformPathOpenVG()
{
makeCompatibleContextCurrent();
vgDestroyPath(m_vgPath);
ASSERT_VG_NO_ERROR();
}
void PlatformPathOpenVG::clear()
{
makeCompatibleContextCurrent();
vgClearPath(m_vgPath, WEBKIT_VG_PATH_CAPABILITIES);
ASSERT_VG_NO_ERROR();
m_subpathStartPoint.setX(0);
m_subpathStartPoint.setY(0);
m_currentPoint = m_subpathStartPoint;
}
void TiledImageOpenVG::destroyTiles()
{
makeCompatibleContextCurrent();
Vector<VGImage>::const_iterator it = m_tiles.begin();
Vector<VGImage>::const_iterator end = m_tiles.end();
for (; it != end; ++it) {
if (*it != VG_INVALID_HANDLE)
vgDestroyImage(*it);
}
ASSERT_VG_NO_ERROR();
m_tiles.fill(VG_INVALID_HANDLE);
}
void PlatformPathOpenVG::flushPathDataBuffer() const
{
if (!m_commandBuffer.size())
return;
makeCompatibleContextCurrent();
// If we have a single VG_CLOSE_PATH buffered, the coordinate buffer is
// empty. The coordinate pointer must not be 0, and we can't rely on
// zero-size arrays (certain compilers don't create them, Vector might
// store it differently). Certain OpenVG implementations check the
// validity for the memory address and change it to zero if it's
// in invalid one. So in the end, let's use a dummy value's address here.
static VGfloat zeroSizeCoordinateDummy = 0.0;
const VGfloat* coords = m_coordinateBuffer.isEmpty()
? &zeroSizeCoordinateDummy
: m_coordinateBuffer.data();
vgAppendPathData(m_vgPath, m_commandBuffer.size(), m_commandBuffer.data(), coords);
ASSERT_VG_NO_ERROR();
m_commandBuffer.clear();
m_coordinateBuffer.clear();
}
