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/*
* Copyright (C) 2017 Thales Lima Oliveira <thales@ufu.br>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "Constant.h"
#include "ConstantForm.h"
Constant::Constant(int id) : ControlElement(id)
{
SetValue(m_value);
m_angle = 180.0;
Node* nodeOut = new Node(m_position + wxPoint2DDouble(m_width / 2, 0), Node::NODE_OUT, m_borderSize);
nodeOut->SetAngle(180.0);
nodeOut->StartMove(m_position);
m_nodeList.push_back(nodeOut);
}
Constant::~Constant()
{
if(m_glText) delete m_glText;
}
void Constant::Draw(wxPoint2DDouble translation, double scale) const
{
glLineWidth(1.0);
if(m_selected) {
glColor4dv(m_selectionColour.GetRGBA());
double borderSize = (m_borderSize * 2.0 + 1.0) / scale;
DrawRectangle(m_position, m_width + borderSize, m_height + borderSize);
}
glColor4d(1.0, 1.0, 1.0, 1.0);
DrawRectangle(m_position, m_width, m_height);
glColor4d(0.0, 0.0, 0.0, 1.0);
DrawRectangle(m_position, m_width, m_height, GL_LINE_LOOP);
// Plot number.
m_glText->Draw(m_position);
glColor4d(0.0, 0.0, 0.0, 1.0);
DrawNodes();
}
bool Constant::ShowForm(wxWindow* parent, Element* element)
{
ConstantForm* form = new ConstantForm(parent, this);
if(form->ShowModal() == wxID_OK) {
form->Destroy();
return true;
}
form->Destroy();
return false;
}
void Constant::Rotate(bool clockwise)
{
if(clockwise)
m_angle += 90.0;
else
m_angle -= 90.0;
if(m_angle >= 360.0)
m_angle = 0.0;
else if(m_angle < 0)
m_angle = 270.0;
UpdatePoints();
for(auto it = m_nodeList.begin(), itEnd = m_nodeList.end(); it != itEnd; ++it) {
Node* node = *it;
node->Rotate(clockwise);
}
}
void Constant::UpdatePoints()
{
if(m_nodeList.size() != 0) {
if(m_angle == 0.0) {
m_nodeList[0]->SetPosition(m_position + wxPoint2DDouble(-m_width / 2, 0));
} else if(m_angle == 90.0) {
m_nodeList[0]->SetPosition(m_position + wxPoint2DDouble(0, -m_height / 2));
} else if(m_angle == 180.0) {
m_nodeList[0]->SetPosition(m_position + wxPoint2DDouble(m_width / 2, 0));
} else if(m_angle == 270.0) {
m_nodeList[0]->SetPosition(m_position + wxPoint2DDouble(0, m_height / 2));
}
}
}
void Constant::SetValue(double value)
{
m_value = value;
wxString text = StringFromDouble(m_value);
if(m_glText)
m_glText->SetText(text);
else
m_glText = new OpenGLText(text);
m_width = m_glText->GetWidth() + 6 + 2 * m_borderSize;
m_height = m_glText->GetHeight() + 6 + 2 * m_borderSize;
UpdatePoints();
}
Element* Constant::GetCopy()
{
Constant* copy = new Constant(m_elementID);
*copy = *this;
copy->m_glText = m_glText->GetCopy();
return copy;
}
bool Constant::UpdateText()
{
SetValue(m_value);
if(!m_glText->IsTextureOK()) return false;
return true;
}
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