void TiledImageOpenVG::detachTiles()
{
makeSharedContextCurrent(); // because we create new images
int numTiles = m_tiles.size();
VGImage newTile, originalTile;
for (int i = 0; i < numTiles; ++i) {
originalTile = m_tiles.at(i);
if (originalTile == VG_INVALID_HANDLE)
continue;
VGImageFormat format = (VGImageFormat) vgGetParameteri(originalTile, VG_IMAGE_FORMAT);
VGint width = vgGetParameteri(originalTile, VG_IMAGE_WIDTH);
VGint height = vgGetParameteri(originalTile, VG_IMAGE_HEIGHT);
ASSERT_VG_NO_ERROR();
newTile = vgCreateImage(format, width, height, VG_IMAGE_QUALITY_FASTER);
ASSERT_VG_NO_ERROR();
vgCopyImage(newTile, 0, 0, originalTile, 0, 0, width, height, VG_FALSE /* dither */);
ASSERT_VG_NO_ERROR();
m_tiles.at(i) = newTile;
}
}
void PlatformPathOpenVG::createPath()
{
makeSharedContextCurrent();
m_vgPath = vgCreatePath(
VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F,
1.0 /* scale */, 0.0 /* bias */,
0 /* expected number of segments */,
0 /* expected number of total coordinates */,
WEBKIT_VG_PATH_CAPABILITIES);
ASSERT_VG_NO_ERROR();
}