OZ++ Sample: ImageDilating |
/******************************************************************************
*
* Copyright (c) 2017 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
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* modification, are permitted provided that the following conditions
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*
* ImageBlurView.cpp
*
*****************************************************************************/
//2017/05/15
#include <oz++/motif/Label.h>
#include <oz++/motif/RowColumn.h>
#include <oz++/motif/LabeledTrackBar.h>
#include <oz++/opencv/OpenCVScaleComboBox.h>
#include <oz++/opencv/OpenCVMainView.h>
#include <oz++/opencv/OpenCVImageView.h>
#include <oz++/motif/FileOpenDialog.h>
namespace OZ {
class MainView :public OpenCVMainView {
private:
///////////////////////////////////////////////
//Inner classes start.
class OriginalImageView: public OpenCVImageView {
private:
cv::Mat originalImage;
cv::Mat scaledImage;
virtual void display()
{
show(scaledImage);
}
public:
OriginalImageView(View* parent, const char* name, Args& args)
:OpenCVImageView(parent, name, args)
{
try {
const char* filename = (const char*)args.get(XmNimageFileName);
int imageLoadingFlag = args.get(XmNimageLoadingFlag);
int scalingRatio = (int)args.get(XmNimageScalingRatio);
loadImage(filename, imageLoadingFlag, scalingRatio);
} catch (OZ::Exception ex) {
caught(ex);
}
}
~OriginalImageView()
{
}
void loadImage(const char* filename,
int imageLoadingFlag= CV_LOAD_IMAGE_COLOR,
int scalingRatio=100)
{
originalImage = readImage(filename, imageLoadingFlag);
scaleImage(originalImage, scaledImage, scalingRatio);
}
void rescale(int scalingRatio)
{
scaledImage.release();
scaleImage(originalImage, scaledImage, scalingRatio);
}
};
class TransformedImageView: public OpenCVImageView {
private:
cv::Mat originalImage;
cv::Mat destImage;
cv::Mat transformedImage;
cv::Mat scaledImage;
//The scale image is displayed on this image view.
virtual void display()
{
show(scaledImage);
}
public:
TransformedImageView(View* parent, const char* name, Args& args)
:OpenCVImageView(parent, name, args)
{
try {
const char* filename = (const char*)args.get(XmNimageFileName);
int imageLoadingFlag = args.get(XmNimageLoadingFlag);
int scalingRatio = (int)args.get(XmNimageScalingRatio);
loadImage(filename, imageLoadingFlag, scalingRatio);
} catch (OZ::Exception ex) {
caught(ex);
}
}
~TransformedImageView()
{
}
void loadImage(const char* filename,
int imageLoadingFlag= CV_LOAD_IMAGE_COLOR,
int scalingRatio=100)
{
originalImage = readImage(filename, imageLoadingFlag);
transformedImage = originalImage.clone();
}
void rescale(int scalingRatio)
{
scaledImage.release();
scaleImage(transformedImage, scaledImage, scalingRatio);
}
void transform(int morphShape, int ksize, int scalingRatio)
{
//The transformedImage is scaled in the following way, and the scaled image
//is displayed in this image view.
cv::Mat element = getStructuringElement(morphShape,
cv::Size( (ksize/2)*2 +1, (ksize/2)*2 +1),
cv::Point( -1, -1) );
cv::dilate(originalImage, destImage, element);
if (destImage.empty()) {
transformedImage = originalImage.clone();
refresh();
} else {
transformedImage = destImage;
}
scaleImage(transformedImage, scaledImage, scalingRatio);
}
};
//Inner classes end.
private:
StringT<char> imageFile;
int imageLoadingFlag;
int imageScalingRatio; //percentage
SmartPtr<Label> label;
SmartPtr<OriginalImageView> originalImage;
SmartPtr<TransformedImageView> transformedImage;
SmartPtr<RowColumn> controlPane;
SmartPtr<OpenCVScaleComboBox> scaleComboBox;
int morphShape;
SmartPtr<LabeledComboBox> morphShapeComboBox;
SmartPtr<LabeledTrackBar> ksizeTrackBar;
static const int KSIZE_MAX=31;
int ksize;
SmartPtr<FileOpenDialog> fileDialog;
public:
void scaleChanged(Action& action)
{
int val = scaleComboBox->getScale();
if (val > 0 && imageScalingRatio != val) {
imageScalingRatio = val;
originalImage -> rescale(imageScalingRatio);
transformedImage -> rescale(imageScalingRatio);
}
}
int getMorphShape()
{
int type = MORPH_RECT;
if (morphShape == 0) {
type = MORPH_RECT;
} else if (morphShape == 1) {
type = MORPH_CROSS;
} else if (morphShape == 2) {
type = MORPH_ELLIPSE;
}
return type;
}
void morphChanged(Action& event)
{
morphShape = morphShapeComboBox->getSelectedPosition();
printf("morphChanged %d\n", morphShape);
transformedImage -> transform(getMorphShape(), ksize, imageScalingRatio);
}
void ksizeChanged(Action& action)
{
ksize = (int)ksizeTrackBar->get(XmNvalue);
printf("ksizeChanged ksize=%d\n", ksize);
transformedImage -> transform(getMorphShape(), ksize, imageScalingRatio);
}
void cancel(Action& action)
{
fileDialog->popdown();
}
void fileOpen(Action& action)
{
fileDialog->popup();
}
void updateLabel(const char* filename)
{
CompoundString cs(filename);
label->set(XmNlabelString, cs);
}
void ok(Action& action)
{
try {
imageFile = fileDialog->getFileName();
const char* filename = (const char*)imageFile;
printf("filename: %s\n", filename);
fileDialog->popdown();
originalImage->invalidate();
originalImage->loadImage(filename,
imageLoadingFlag, imageScalingRatio);
originalImage->invalidate();
transformedImage ->loadImage(filename,
imageLoadingFlag, imageScalingRatio);
transformedImage -> transform(getMorphShape(), ksize, imageScalingRatio);
updateLabel(filename);
resize(width(), height());
flush();
} catch (OZ::Exception& ex) {
caught(ex);
}
}
void resize(Dimension w, Dimension h)
{
int CP_WIDTH = 200;
int LB_HEIGHT = 30;
int ww = w-CP_WIDTH;
int hh = h - LB_HEIGHT;
if (originalImage && transformedImage && controlPane
) {
label -> reshape(0, 0, w, LB_HEIGHT);
originalImage-> reshape(0, LB_HEIGHT, ww/2, hh);
transformedImage -> reshape(ww/2, LB_HEIGHT, ww/2-1, hh);
controlPane -> reshape(ww-1, LB_HEIGHT, CP_WIDTH+1, hh);
//The following two lines are a workaround to erase garbage.
controlPane -> unmap();
controlPane -> map();
}
flush();
}
public:
MainView(OpenCVApplication& applet, const char* name, Args& args)
:OpenCVMainView(applet, name, args)
{
BulletinBoard* bboard = getBulletinBoard();
imageFile = "../images/HelloWorld.png";
imageLoadingFlag = CV_LOAD_IMAGE_COLOR;
imageScalingRatio = 60; //%
try {
CompoundString labelcs(imageFile);
Args ar;
ar.set(XmNalignment, XmALIGNMENT_BEGINNING);
ar.set(XmNlabelString, labelcs);
label = new Label(bboard, "", ar);
ar.reset();
ar.set(XmNimageFileName, imageFile);
ar.set(XmNimageLoadingFlag, imageLoadingFlag);
ar.set(XmNimageScalingRatio, imageScalingRatio);
originalImage = new OriginalImageView(bboard, "", ar);
ar.reset();
ar.set(XmNimageFileName, imageFile);
ar.set(XmNimageLoadingFlag, imageLoadingFlag);
ar.set(XmNimageScalingRatio, imageScalingRatio);
transformedImage = new TransformedImageView(bboard, "", ar);
ar.reset();
controlPane = new RowColumn(bboard, "", ar);
const char* defaultScale = "60%";
ar.reset();
CompoundString scaler("Scale");
ar.set(XmNlabelString, scaler);
ar.set(XmNdefaultScale, defaultScale);
scaleComboBox = new OpenCVScaleComboBox(controlPane, "", ar);
scaleComboBox->addCallback(XmNselectionCallback, this,
(Callback)&MainView::scaleChanged, NULL);
const char* shapes[] = {
"MORPH_RECT", //0
"MORPH_CROSS", //1
"MORPH_ELLIPSE" //2
};
CompoundStringList csl(shapes, CountOf(shapes));
CompoundString selmorph("MORPH_RECT");
ar.reset();
CompoundString morphLabelcs("MorphShape");
ar.set(XmNlabelString, morphLabelcs);
ar.set(XmNitems, csl);
ar.set(XmNselectedItem, selmorph);
ar.set(XmNeditable, FALSE);
ar.set(XmNitemCount, CountOf(shapes));
//ar.set(XmNpositionMode, XmZERO_BASED);
morphShapeComboBox = new LabeledComboBox(controlPane, "", ar);
morphShapeComboBox->addCallback(XmNselectionCallback, this,
(Callback)&MainView::morphChanged, NULL);
ksize =10;
ar.reset();
CompoundString ksizecs("KernelSize[0,31]");
ar.set(XmNlabelString, scaler);
ar.set(XmNminimum, 0);
ar.set(XmNmaximum, KSIZE_MAX);
ar.set(XmNvalue, ksize);
ar.set(XmNtitleString, ksizecs);
ksizeTrackBar = new LabeledTrackBar(controlPane, "", ar);
ksizeTrackBar->addCallback(XmNvalueChangedCallback, this,
(Callback)&MainView::ksizeChanged, NULL);
transformedImage -> transform(getMorphShape(), ksize, imageScalingRatio);
ar.reset();
fileDialog = new FileOpenDialog(this, "FileOpenDialog", ar);
fileDialog -> getOkButton()
-> addCallback(XmNactivateCallback, this,
(Callback)&MainView::ok, NULL);
sendConfigureEvent();
} catch(OZ::Exception& ex) {
caught(ex);
}
}
~MainView()
{
}
};
}
//
int main(int argc, char** argv)
{
try {
const char* appclass = argv[0];
OpenCVApplication applet(appclass, argc, argv);
Args args;
args.set(XmNwidth, 900);
args.set(XmNheight, 380);
MainView view(applet, argv[0], args);
view.realize();
applet.run();
} catch (OZ::Exception& ex) {
caught(ex);
}
return 0;
}