paysages3d/src/editing/previewosd.cpp

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#include "previewosd.h"
#include <QHash>
#include <QPainter>
#include <math.h>
static QHash<QString, PreviewOsd*> _instances;
/*************** PreviewOsdItem ***************/
PreviewOsdItem::PreviewOsdItem(int width, int height) : QImage(width, height, QImage::Format_ARGB32)
{
_xlocation = 0.0;
_ylocation = 0.0;
fill(0x00000000);
}
void PreviewOsdItem::setLocation(double x, double y)
{
_xlocation = x;
_ylocation = y;
}
void PreviewOsdItem::drawCamera(CameraDefinition* camera)
{
int w2 = width() / 2;
int h2 = height() / 2;
_xlocation = camera->location.x;
_ylocation = camera->location.z;
QPainter painter(this);
painter.setPen(QPen(Qt::red, 2));
painter.setRenderHints(QPainter::Antialiasing | QPainter::HighQualityAntialiasing, true);
painter.drawLine(w2, h2, w2 + w2 * cos(camera->yaw - M_PI_4), h2 - h2 * sin(camera->yaw - M_PI_4));
painter.drawLine(w2, h2, w2 + w2 * cos(camera->yaw + M_PI_4), h2 - h2 * sin(camera->yaw + M_PI_4));
}
void PreviewOsdItem::setToolTip(QString text)
{
_tooltip = text;
}
QString PreviewOsdItem::getToolTip(double x, double y, double scaling)
{
if (_tooltip.isEmpty() or (x > _xlocation - (width() / 2) * scaling and x < _xlocation + (width() / 2) * scaling and y > _ylocation - (height() / 2) * scaling and y < _ylocation + (height() / 2) * scaling))
{
return _tooltip;
}
else
{
return QString();
}
}
/*************** PreviewOsd ***************/
PreviewOsd::PreviewOsd()
{
}
PreviewOsd::~PreviewOsd()
{
for (int i = 0; i < _items.size(); i++)
{
delete _items[i];
}
}
PreviewOsd* PreviewOsd::getInstance(QString name)
{
if (_instances.contains(name))
{
return _instances[name];
}
else
{
PreviewOsd* instance = new PreviewOsd();
_instances.insert(name, instance);
return instance;
}
}
void PreviewOsd::clearItems()
{
for (int i = 0; i < _items.size(); i++)
{
delete _items[i];
}
_items.clear();
}
PreviewOsdItem* PreviewOsd::newItem(int width, int height)
{
PreviewOsdItem* item = new PreviewOsdItem(width, height);
_items.append(item);
return item;
}
PreviewOsdItem* PreviewOsd::newItem(QImage image)
{
PreviewOsdItem* item = newItem(image.width(), image.height());
QPainter painter(item);
painter.drawImage(0, 0, image);
return item;
}
void PreviewOsd::apply(QImage* mask, double xoffset, double yoffset, double scaling)
{
QPainter painter(mask);
for (int i = 0; i < _items.size(); i++)
{
PreviewOsdItem* item = _items[i];
int x = (int)(mask->width() / 2 - (xoffset - item->xlocation()) / scaling - item->width() / 2);
int y = (int)(mask->height() / 2 - (yoffset - item->ylocation()) / scaling - item->height() / 2);
painter.drawImage(x, y, *item);
}
}
QString PreviewOsd::getToolTip(double x, double y, double scaling)
{
for (int i = 0; i < _items.size(); i++)
{
PreviewOsdItem* item = _items[i];
QString tooltip = item->getToolTip(x, y, scaling);
if (not tooltip.isEmpty())
{
return tooltip;
}
}
return QString();
}