void TextFormatter::Highlight()
{
if (!m_hllen || m_hlstart.docid != DocId())
return;
FilePos hls(m_hlstart);
int hll = m_hllen;
for (int i = 0; i < m_lines.GetSize(); ++i)
if (hls.para == m_lines[i].pos.para)
{
int beg, len;
if (hls.off - m_lines[i].pos.off < m_lines[i].real_len &&
intersect(hls.off, hll, m_lines[i].pos.off, m_lines[i].str.size(), beg, len))
{
int top = beg + len;
while (beg < top)
m_lines[i].attr[beg++].hibg = true;
m_lines[i].flags &= ~Line::defstyle;
}
else
m_lines[i].CheckStyle();
// advance our pointer
if (i<m_lines.GetSize() - 1 && m_lines[i + 1].pos.para>hls.para &&
hls.off + hll > m_tf->GetPLength(hls.docid, hls.para))
{
hll -= m_tf->GetPLength(hls.docid, hls.para) - hls.off;
++hls.para;
hls.off = 0;
}
}
else
m_lines[i].CheckStyle();
}
cv::Mat fourier::bgr(const cv::Mat &fourier) {
const cv::Size &size = fourier.size();
cv::Mat hls(size, CV_8UC3);
std::vector<cv::Mat> plane;
cv::split(fourier, plane);
cv::Mat mag;
cv::magnitude(plane[0], plane[1], mag);
mag += cv::Scalar::all(1);
cv::log(mag, mag);
cv::normalize(mag, mag, 127, 255, CV_MINMAX);
cv::Mat pha;
cv::phase(plane[1], plane[0], pha);
cv::normalize(pha, pha, 0, 127, CV_MINMAX);
for (int i = 0, m = size.height; i < m; i++) {
for (int j = 0, n = size.width; j < n; j++) {
cv::Vec3b &pixel = hls.at<cv::Vec3b>(i, j);
pixel[0] = (uchar) pha.at<float>(i, j);
pixel[1] = (uchar) mag.at<float>(i, j);
pixel[2] = 255;
}
}
cv::Mat rgb;
cv::cvtColor(hls, rgb, CV_HLS2BGR);
return rgb;
}
void CGradientPt::RotateHue(bool HLSMode, double Rotation)
{
if (HLSMode) {
DHLS hls(m_Color.hls);
hls.RotateHue(Rotation);
m_Color.hls = hls;
} else {
DRGB rgb(m_Color.rgb);
rgb.RotateHue(Rotation);
m_Color.rgb = rgb;
}
}
void CGradientPt::Invert(bool HLSMode)
{
if (HLSMode) {
DHLS hls(m_Color.hls);
hls.Invert();
m_Color.hls = hls;
} else {
DRGB rgb(m_Color.rgb);
rgb.Invert();
m_Color.rgb = rgb;
}
}
nux::color::RedGreenBlue ProduceColorShade(nux::color::RedGreenBlue const& rgb, float shade)
{
if (shade == 1.0f)
return rgb;
nux::color::HueLightnessSaturation hls(rgb);
hls.lightness *= shade;
if (hls.lightness > 1.0f)
hls.lightness = 1.0f;
else if (hls.lightness < 0.0f)
hls.lightness = 0.0f;
hls.saturation *= shade;
if (hls.saturation > 1.0f)
hls.saturation = 1.0f;
else if (hls.saturation < 0.0f)
hls.saturation = 0.0f;
nux::color::RedGreenBlue rgb_shade(hls);
return rgb_shade;
}
int main(int argc, char *argv[])
{
int opt;
bool feed_stdout = false;
char url[2048] = { 0 };
while ((opt = getopt(argc, argv, "i:o")) != -1) {
switch (opt) {
case 'i':
if (!optarg) {
fprintf(stderr, "missing argument\n");
return -1;
}
strncpy(url, optarg, sizeof(url));
break;
case 'o':
feed_stdout = true;
break;
}
}
hlsinput hls(feed_stdout);
hls.get(url);
}
