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/*!
@file
@author George Evmenov
@date 07/2010
*/
#include "Precompiled.h"
#include "DemoKeeper.h"
#include "Base/Main.h"
namespace demo
{
const int PointsCount = 4;
int bezierQuality = 16;
int stroke = 0;
MyGUI::Widget* point[PointsCount];
DemoKeeper::DemoKeeper() :
mClient(nullptr),
mPolygonalSkin(nullptr),
mQualityText(nullptr),
mStrokeText(nullptr)
{
}
void DemoKeeper::setupResources()
{
base::BaseManager::setupResources();
addResourceLocation(getRootMedia() + "/Common/Demos");
addResourceLocation(getRootMedia() + "/Common/Tools");
addResourceLocation(getRootMedia() + "/UnitTests/UnitTest_Spline");
}
void DemoKeeper::createScene()
{
base::BaseDemoManager::createScene();
MyGUI::ResourceManager::getInstance().load("SplineSkin.xml");
const MyGUI::VectorWidgetPtr& root = MyGUI::LayoutManager::getInstance().loadLayout("HelpPanel.layout");
root.at(0)->findWidget("Text")->castType<MyGUI::TextBox>()->setCaption("PolygonalSkin usage. Drag white rectangles to move points for bezier curve.");
MyGUI::VectorWidgetPtr widgets = MyGUI::LayoutManager::getInstance().loadLayout("SplineWindow.layout");
mQualityText = widgets.at(0)->findWidget("SplineText")->castType<MyGUI::TextBox>();
mStrokeText = widgets.at(0)->findWidget("StrokeText")->castType<MyGUI::TextBox>();
MyGUI::ScrollBar* qualityScroll = widgets.at(0)->findWidget("SplineQuality")->castType<MyGUI::ScrollBar>();
qualityScroll->eventScrollChangePosition += MyGUI::newDelegate(this, &DemoKeeper::notifyChangeQuality);
MyGUI::ScrollBar* strokeScroll = widgets.at(0)->findWidget("StrokeQuality")->castType<MyGUI::ScrollBar>();
strokeScroll->eventScrollChangePosition += MyGUI::newDelegate(this, &DemoKeeper::notifyChangeStroke);
mClient = widgets.at(0)->findWidget("SplineClient");
// create widget with skin that contain specific sub skin - PolygonalSkin
MyGUI::Widget* widget = mClient->createWidget<MyGUI::Widget>("PolygonalSkin", MyGUI::IntCoord(MyGUI::IntPoint(), mClient->getSize()), MyGUI::Align::Stretch);
widget->setColour(MyGUI::Colour::Red);
// get main subskin
MyGUI::ISubWidget* main = widget->getSubWidgetMain();
mPolygonalSkin = main->castType<MyGUI::PolygonalSkin>();
// set PolygonalSkin properties and points
mPolygonalSkin->setWidth(8.0f);
mPolygonalSkin->setStroke(0);
for (int i = 0; i < PointsCount; ++i)
{
point[i] = mClient->createWidget<MyGUI::Button>("Button", MyGUI::IntCoord(10 + (i + i % 2 * 3) * 40, 10 + (i + i / 2 * 3) * 40, 16, 16), MyGUI::Align::Default);
point[i]->eventMouseDrag += newDelegate(this, &DemoKeeper::notifyPointMove);
point[i]->eventMouseButtonPressed += newDelegate(this, &DemoKeeper::notifyPointPressed);
}
notifyChangeQuality(qualityScroll, 12);
updateSpline();
}
void DemoKeeper::makeBezier(const std::vector<MyGUI::FloatPoint>& _points, size_t _pointsNumber)
{
mLinePoints.clear();
for (size_t i = 0; i < _pointsNumber; ++i)
{
float t = float(i) / (_pointsNumber - 1);
float left = _points[0].left * pow(1 - t, 3) + 3 * _points[1].left * pow(1 - t, 2) * t + 3 * _points[2].left * (1 - t) * t * t + t * t * t * _points[3].left;
float top = _points[0].top * pow(1 - t, 3) + 3 * _points[1].top * pow(1 - t, 2) * t + 3 * _points[2].top * (1 - t) * t * t + t * t * t * _points[3].top;
mLinePoints.push_back(MyGUI::FloatPoint(left, top));
}
}
void DemoKeeper::updateSpline()
{
std::vector<MyGUI::FloatPoint> points;
for (int i = 0; i < PointsCount; ++i)
{
points.push_back(MyGUI::FloatPoint(point[i]->getLeft() + 8.0f, point[i]->getTop() + 8.0f));
}
makeBezier(points, bezierQuality);
mPolygonalSkin->setPoints(mLinePoints);
mPolygonalSkin->setStroke(stroke);
}
void DemoKeeper::notifyPointMove(MyGUI::Widget* _sender, int _left, int _top, MyGUI::MouseButton _id)
{
_sender->setPosition(MyGUI::IntPoint(_left, _top) - _sender->getCroppedParent()->getAbsolutePosition() - mOffset);
updateSpline();
}
void DemoKeeper::notifyPointPressed(MyGUI::Widget* _sender, int _left, int _top, MyGUI::MouseButton _id)
{
mOffset = MyGUI::IntPoint(_left, _top) - _sender->getAbsolutePosition();
}
void DemoKeeper::notifyChangeQuality(MyGUI::ScrollBar* _sender, size_t _position)
{
bezierQuality = _position + 4;
mQualityText->setCaption(MyGUI::utility::toString("Quality: ", bezierQuality));
updateSpline();
}
void DemoKeeper::notifyChangeStroke(MyGUI::ScrollBar* _sender, size_t _position)
{
stroke = _position;
mStrokeText->setCaption(MyGUI::utility::toString("Stroke: ", _position));
updateSpline();
}
} // namespace demo
MYGUI_APP(demo::DemoKeeper)
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