| OZ++ Class: OpenCVScrolledImageView |
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*
* Copyright (c) 2017 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
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*
* OpenCVScrolledImageView.h
*
*****************************************************************************/
#pragma once
#include <oz++/motif/ScrolledImageView.h>
#include <oz++/opencv/OpenCVMainView.h>
#include <oz++/opencv/OpenCVImageConverter.h>
namespace OZ {
class OpenCVScrolledImageView :public ScrolledImageView {
private:
cv::Mat image;
cv::Mat& getMat()
{
return image;
}
void createPixmap()
{
try {
Pixmap pixmap = OpenCVImageConverter::convertToPixmap(this, image);
setPixmap(pixmap);
} catch (OZ::Exception& ex) {
caught(ex);
}
}
public:
void show(cv::Mat& mat)
{
if (!mat.empty()) {
image = mat;
Pixmap pixmap = getPixmap();
if (pixmap == None) {
createPixmap();
}
ScrolledImageView::display();
}
}
void setMat(cv::Mat& mat)
{
clear();
image = mat;
}
public:
OpenCVScrolledImageView(View* parent, const char* name, Args& args)
:ScrolledImageView(parent, name, args)
{
}
~OpenCVScrolledImageView()
{
}
cv::Mat readImage(const char* filename, int loadingFlag)
{
cv::Mat mat = cv::imread(filename, loadingFlag);
if (mat.empty()) {
throw IException("Failed to imread :%s", filename);
} else {
setMat(mat);
return mat;
}
}
virtual void scaleImage(cv::Mat& originalImage, cv::Mat& scaledImage,
int scalingRatio)
{
try {
if (scalingRatio < 1) {
scalingRatio = 10;
}
float ratio = (float)scalingRatio/100.0f;
cv::resize(originalImage, scaledImage, cv::Size(),
ratio, ratio);
//2017/05/18
Dimension hsize, vsize;
getScrollBarSliderSize(hsize, vsize);
float fhsize = (float)hsize * ratio;
float fvsize = (float)vsize * ratio;
setScrollBarMaximum(fhsize, fvsize); //2017/06/10
setScrollBarSliderSize((int)fhsize, (int)fvsize);
invalidate();
refresh();
//
} catch (cv::Exception& ex) {
;
}
}
void invalidate()
{
clear();
}
void refresh()
{
unmanage();
manage();
sendExposeEvent();
}
};
}