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image_panel_cursor_info #1480

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merged 1 commit into from
Oct 20, 2023
Merged

image_panel_cursor_info #1480

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115 changes: 47 additions & 68 deletions ui/zenoedit/panel/zenoimagepanel.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -18,74 +18,6 @@
#include "viewport/displaywidget.h"


static float ziv_wheelZoomFactor = 1.25;

class ZenoImageView: public QGraphicsView {
public:
QGraphicsPixmapItem *_image = nullptr;
QGraphicsScene *scene = nullptr;
bool fitMode = true;
explicit ZenoImageView(QWidget *parent) : QGraphicsView(parent) {
scene = new QGraphicsScene;
this->setScene(scene);

setBackgroundBrush(QColor(37, 37, 37));
}

bool hasImage() {
return _image != nullptr;
}

void clearImage() {
if (hasImage()) {
scene->removeItem(_image);
_image = nullptr;
}
}

void setImage(const QImage &image) {
QPixmap pm = QPixmap::fromImage(image);
if (hasImage()) {
_image->setPixmap(pm);
}
else {
_image = this->scene->addPixmap(pm);
}
setSceneRect(QRectF(pm.rect())); // Set scene size to image size.
updateImageView();
}

void updateImageView() {
if (!hasImage()) {
return;
}
if (fitMode) {
fitInView(sceneRect(), Qt::AspectRatioMode::KeepAspectRatio);
}
}
void resizeEvent(QResizeEvent *event) override {
updateImageView();
}
void wheelEvent(QWheelEvent* event) override {
fitMode = false;
qreal zoomFactor = 1;
if (event->angleDelta().y() > 0)
zoomFactor = ziv_wheelZoomFactor;
else if (event->angleDelta().y() < 0)
zoomFactor = 1 / ziv_wheelZoomFactor;
scale(zoomFactor, zoomFactor);
}
void mousePressEvent(QMouseEvent* event) override {
fitMode = false;
setDragMode(QGraphicsView::ScrollHandDrag);
QGraphicsView::mousePressEvent(event);
}
void mouseReleaseEvent(QMouseEvent* event) override {
QGraphicsView::mouseReleaseEvent(event);
setDragMode(QGraphicsView::NoDrag);
}
};

void ZenoImagePanel::clear() {
if (image_view) {
image_view->clearImage();
Expand Down Expand Up @@ -284,5 +216,52 @@ ZenoImagePanel::ZenoImagePanel(QWidget *parent) : QWidget(parent) {
image_view->fitMode = true;
image_view->updateImageView();
});
connect(image_view, &ZenoImageView::pixelChanged, this, [=](float x, float y) {
std::string primid = pPrimName->text().toStdString();
zenovis::Scene* scene = nullptr;
auto mainWin = zenoApp->getMainWindow();
ZASSERT_EXIT(mainWin);
QVector<DisplayWidget*> wids = mainWin->viewports();
if (!wids.isEmpty())
{
auto session = wids[0]->getZenoVis()->getSession();
ZASSERT_EXIT(session);
scene = session->get_scene();
}
if (!scene)
return;
bool found = false;
for (auto const &[key, ptr]: scene->objectsMan->pairs()) {
if ((key.substr(0, key.find(":"))) != primid) {
continue;
}
auto &ud = ptr->userData();
if (ud.get2<int>("isImage", 0) == 0) {
continue;
}
found = true;
if (auto obj = dynamic_cast<zeno::PrimitiveObject *>(ptr)) {
int width = ud.get2<int>("w");
int height = ud.get2<int>("h");
int w = int(zeno::clamp(x, 0, width - 1));
int h = int(zeno::clamp(y, 0, height - 1));
int i = h * width + w;
auto c = obj->verts[i];
QString statusInfo = QString(zeno::format("width: {}, height: {} | ({}, {}) : ({}, {}, {})"
, width
, height
, w
, h
, c[0]
, c[1]
, c[2]
).c_str());
pStatusBar->setText(statusInfo);
}
}
if (found == false) {
clear();
}
});
}

80 changes: 79 additions & 1 deletion ui/zenoedit/panel/zenoimagepanel.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,85 @@
#define ZENO_ZENOIMAGEPANEL_H

#include <QtWidgets>
class ZenoImageView;

class ZenoImageView: public QGraphicsView {
Q_OBJECT
public:
float ziv_wheelZoomFactor = 1.25;
QGraphicsPixmapItem *_image = nullptr;
QGraphicsScene *scene = nullptr;
bool fitMode = true;
explicit ZenoImageView(QWidget *parent) : QGraphicsView(parent) {
scene = new QGraphicsScene;
this->setScene(scene);
setMouseTracking(true);

setBackgroundBrush(QColor(37, 37, 37));
}

bool hasImage() const {
return _image != nullptr;
}

void clearImage() {
if (hasImage()) {
scene->removeItem(_image);
_image = nullptr;
}
}

void setImage(const QImage &image) {
QPixmap pm = QPixmap::fromImage(image);
if (hasImage()) {
_image->setPixmap(pm);
}
else {
_image = this->scene->addPixmap(pm);
}
setSceneRect(QRectF(pm.rect())); // Set scene size to image size.
updateImageView();
}

void updateImageView() {
if (!hasImage()) {
return;
}
if (fitMode) {
fitInView(sceneRect(), Qt::AspectRatioMode::KeepAspectRatio);
}
}
signals:
void pixelChanged(float, float);
protected:
void resizeEvent(QResizeEvent *event) override {
updateImageView();
}
void wheelEvent(QWheelEvent* event) override {
fitMode = false;
qreal zoomFactor = 1;
if (event->angleDelta().y() > 0)
zoomFactor = ziv_wheelZoomFactor;
else if (event->angleDelta().y() < 0)
zoomFactor = 1 / ziv_wheelZoomFactor;
scale(zoomFactor, zoomFactor);
}
void mousePressEvent(QMouseEvent* event) override {
fitMode = false;
setDragMode(QGraphicsView::ScrollHandDrag);
QGraphicsView::mousePressEvent(event);
}
void mouseReleaseEvent(QMouseEvent* event) override {
QGraphicsView::mouseReleaseEvent(event);
setDragMode(QGraphicsView::NoDrag);
}
void mouseMoveEvent(QMouseEvent* event) override {
if(auto *item = qgraphicsitem_cast<QGraphicsPixmapItem *>(itemAt(event->pos()))){
QPointF p = item->mapFromScene(mapToScene(event->pos()));
emit(pixelChanged(p.x(), p.y()));
}
QGraphicsView::mouseMoveEvent(event);
}
};

class ZenoImagePanel : public QWidget {
Q_OBJECT
Expand Down
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