paysages3d/src/render/preview/PreviewOsdItem.cpp

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2013-11-12 22:15:35 +00:00
#include "PreviewOsdItem.h"
#include <QPainter>
#include "Vector3.h"
#include "CameraDefinition.h"
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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)
{
Vector3 camera_location = camera->getLocation();
VectorSpherical camera_direction = camera->getDirectionSpherical();
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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_direction.phi - M_PI_4), h2 - h2 * sin(camera_direction.phi - M_PI_4));
painter.drawLine(w2, h2, w2 + w2 * cos(camera_direction.phi + M_PI_4), h2 - h2 * sin(camera_direction.phi + 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();
}
}