本文整理汇总了C++中ImageBuf::roi_full方法的典型用法代码示例。如果您正苦于以下问题:C++ ImageBuf::roi_full方法的具体用法?C++ ImageBuf::roi_full怎么用?C++ ImageBuf::roi_full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ImageBuf
的用法示例。
在下文中一共展示了ImageBuf::roi_full方法的4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: s
static bool
flip_ (ImageBuf &dst, const ImageBuf &src, ROI dst_roi, int nthreads)
{
ROI src_roi_full = src.roi_full();
ROI dst_roi_full = dst.roi_full();
ImageBuf::ConstIterator<S, D> s (src);
ImageBuf::Iterator<D, D> d (dst, dst_roi);
for ( ; ! d.done(); ++d) {
int yy = d.y() - dst_roi_full.ybegin;
s.pos (d.x(), src_roi_full.yend-1 - yy, d.z());
for (int c = dst_roi.chbegin; c < dst_roi.chend; ++c)
d[c] = s[c];
}
return true;
}
示例2: flip
bool
ImageBufAlgo::flip(ImageBuf &dst, const ImageBuf &src, ROI roi, int nthreads)
{
if (&dst == &src) { // Handle in-place operation
ImageBuf tmp;
tmp.swap (const_cast<ImageBuf&>(src));
return flip (dst, tmp, roi, nthreads);
}
pvt::LoggedTimer logtime("IBA::flip");
ROI src_roi = roi.defined() ? roi : src.roi();
ROI src_roi_full = src.roi_full();
int offset = src_roi.ybegin - src_roi_full.ybegin;
int start = src_roi_full.yend - offset - src_roi.height();
ROI dst_roi (src_roi.xbegin, src_roi.xend,
start, start+src_roi.height(),
src_roi.zbegin, src_roi.zend,
src_roi.chbegin, src_roi.chend);
ASSERT (dst_roi.width() == src_roi.width() &&
dst_roi.height() == src_roi.height());
// Compute the destination ROI, it's the source ROI reflected across
// the midline of the display window.
if (! IBAprep (dst_roi, &dst, &src))
return false;
bool ok;
OIIO_DISPATCH_COMMON_TYPES2 (ok, "flip", flip_,
dst.spec().format, src.spec().format,
dst, src, dst_roi, nthreads);
return ok;
}
示例3: logtime
bool
ImageBufAlgo::transpose (ImageBuf &dst, const ImageBuf &src,
ROI roi, int nthreads)
{
pvt::LoggedTimer logtime("IBA::transpose");
if (! roi.defined())
roi = get_roi (src.spec());
roi.chend = std::min (roi.chend, src.nchannels());
ROI dst_roi (roi.ybegin, roi.yend, roi.xbegin, roi.xend,
roi.zbegin, roi.zend, roi.chbegin, roi.chend);
bool dst_initialized = dst.initialized();
if (! IBAprep (dst_roi, &dst))
return false;
if (! dst_initialized) {
ROI r = src.roi_full();
ROI dst_roi_full (r.ybegin, r.yend, r.xbegin, r.xend,
r.zbegin, r.zend, r.chbegin, r.chend);
dst.set_roi_full (dst_roi_full);
}
bool ok;
if (dst.spec().format == src.spec().format) {
OIIO_DISPATCH_TYPES (ok, "transpose", transpose_, dst.spec().format,
dst, src, roi, nthreads);
} else {
OIIO_DISPATCH_COMMON_TYPES2 (ok, "transpose", transpose_, dst.spec().format,
src.spec().format, dst, src, roi, nthreads);
}
return ok;
}
示例4: dst_roi
bool
ImageBufAlgo::rotate180 (ImageBuf &dst, const ImageBuf &src,
ROI roi, int nthreads)
{
if (&dst == &src) { // Handle in-place operation
ImageBuf tmp;
tmp.swap (const_cast<ImageBuf&>(src));
return rotate180 (dst, tmp, roi, nthreads);
}
ROI src_roi = roi.defined() ? roi : src.roi();
ROI src_roi_full = src.roi_full();
int xoffset = src_roi.xbegin - src_roi_full.xbegin;
int xstart = src_roi_full.xend - xoffset - src_roi.width();
int yoffset = src_roi.ybegin - src_roi_full.ybegin;
int ystart = src_roi_full.yend - yoffset - src_roi.height();
ROI dst_roi (xstart, xstart+src_roi.width(),
ystart, ystart+src_roi.height(),
src_roi.zbegin, src_roi.zend,
src_roi.chbegin, src_roi.chend);
ASSERT (dst_roi.width() == src_roi.width() &&
dst_roi.height() == src_roi.height());
// Compute the destination ROI, it's the source ROI reflected across
// the midline of the display window.
IBAprep (dst_roi, &dst, &src);
bool ok;
OIIO_DISPATCH_TYPES2 (ok, "rotate180", rotate180_,
dst.spec().format, src.spec().format,
dst, src, dst_roi, nthreads);
return ok;
}