draw.cpp
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright 2012 The MITRE Corporation *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include <opencv2/highgui/highgui.hpp>
#include <openbr_plugin.h>
#include "core/opencvutils.h"
using namespace cv;
namespace br
{
/*!
* \ingroup transforms
* \brief Renders metadata onto the image
* \author Josh Klontz \cite jklontz
*/
class DrawTransform : public UntrainableTransform
{
Q_OBJECT
Q_PROPERTY(bool verbose READ get_verbose WRITE set_verbose RESET reset_verbose STORED false)
Q_PROPERTY(bool named READ get_named WRITE set_named RESET reset_named STORED false)
Q_PROPERTY(bool unnamed READ get_unnamed WRITE set_unnamed RESET reset_unnamed STORED false)
Q_PROPERTY(bool ROI READ get_ROI WRITE set_ROI RESET reset_ROI STORED false)
BR_PROPERTY(bool, verbose, false)
BR_PROPERTY(bool, named, true)
BR_PROPERTY(bool, unnamed, true)
BR_PROPERTY(bool, ROI, true)
void project(const Template &src, Template &dst) const
{
const Scalar color(0,255,0);
const Scalar verboseColor(255, 255, 0);
dst = src.m().clone();
QList<Point2f> landmarks = OpenCVUtils::toPoints(src.file.points());
if (unnamed) {
foreach (const Point2f &landmark, landmarks)
circle(dst, landmark, 3, color, -1);
}
if (named) {
QList<Point2f> namedLandmarks = OpenCVUtils::toPoints(src.file.namedPoints());
foreach (const Point2f &landmark, namedLandmarks)
circle(dst, landmark, 3, color);
}
if (ROI) {
QList<Rect> ROIs = OpenCVUtils::toRects(src.file.rects());
foreach (const Rect ROI, ROIs)
rectangle(dst, ROI, color);
}
if (verbose)
for (int i=0; i<landmarks.size(); i++)
putText(dst, QString::number(i).toStdString(), landmarks[i], FONT_HERSHEY_SIMPLEX, 0.5, verboseColor, 1);
}
};
BR_REGISTER(Transform, DrawTransform)
/*!
* \ingroup transforms
* \brief Draws a grid on the image
* \author Josh Klontz \cite jklontz
*/
class DrawGridTransform : public UntrainableTransform
{
Q_OBJECT
Q_PROPERTY(int rows READ get_rows WRITE set_rows RESET reset_rows STORED false)
Q_PROPERTY(int columns READ get_columns WRITE set_columns RESET reset_columns STORED false)
Q_PROPERTY(int r READ get_r WRITE set_r RESET reset_r STORED false)
Q_PROPERTY(int g READ get_g WRITE set_g RESET reset_g STORED false)
Q_PROPERTY(int b READ get_b WRITE set_b RESET reset_b STORED false)
BR_PROPERTY(int, rows, 0)
BR_PROPERTY(int, columns, 0)
BR_PROPERTY(int, r, 196)
BR_PROPERTY(int, g, 196)
BR_PROPERTY(int, b, 196)
void project(const Template &src, Template &dst) const
{
Mat m = src.m().clone();
float rowStep = 1.f * m.rows / (rows+1);
float columnStep = 1.f * m.cols / (columns+1);
int thickness = qMin(m.rows, m.cols) / 256;
for (float row = rowStep/2; row < m.rows; row += rowStep)
line(m, Point(0, row), Point(m.cols, row), Scalar(r, g, b), thickness, CV_AA);
for (float column = columnStep/2; column < m.cols; column += columnStep)
line(m, Point(column, 0), Point(column, m.rows), Scalar(r, g, b), thickness, CV_AA);
dst = m;
}
};
BR_REGISTER(Transform, DrawGridTransform)
/*!
* \ingroup transforms
* \brief Remove landmarks.
* \author Josh Klontz \cite jklontz
*/
class EditTransform : public UntrainableTransform
{
Q_OBJECT
Transform *draw;
static Template currentTemplate;
static QMutex currentTemplateLock;
void init()
{
draw = make("Draw");
Globals->setProperty("parallelism", "0"); // Can only work in single threaded mode
}
void project(const Template &src, Template &dst) const
{
dst = src;
if (Globals->parallelism) {
qWarning("Edit::project() only works in single threaded mode.");
return;
}
currentTemplateLock.lock();
currentTemplate = src;
OpenCVUtils::showImage(src, "Edit", false);
setMouseCallback("Edit", mouseCallback, (void*)this);
mouseEvent(0, 0, 0, 0);
waitKey(-1);
dst = currentTemplate;
currentTemplateLock.unlock();
}
static void mouseCallback(int event, int x, int y, int flags, void *userdata)
{
((const EditTransform*)userdata)->mouseEvent(event, x, y, flags);
}
void mouseEvent(int event, int x, int y, int flags) const
{
(void) event;
if (flags) {
QList<QRectF> rects = currentTemplate.file.rects();
for (int i=rects.size()-1; i>=0; i--)
if (rects[i].contains(x,y))
rects.removeAt(i);
currentTemplate.file.setRects(rects);
}
Template temp;
draw->project(currentTemplate, temp);
OpenCVUtils::showImage(temp, "Edit", false);
}
};
Template EditTransform::currentTemplate;
QMutex EditTransform::currentTemplateLock;
BR_REGISTER(Transform, EditTransform)
} // namespace br
#include "draw.moc"