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#include "Workspace.h"
#include "MouseEventsHandler.h"
Camera::Camera()
{
m_translation = wxPoint2DDouble(0,0);
m_scale = 1.0;
}
Camera::~Camera()
{
}
wxPoint2DDouble Camera::ScreenToWorld(wxPoint2DDouble screenCoords)
{
return wxPoint2DDouble(screenCoords.m_x / m_scale - m_translation.m_x,
screenCoords.m_y / m_scale - m_translation.m_y);
}
Workspace::Workspace(wxWindow* parent, wxString name /*, int workspaceID*/) : WorkspaceBase(parent)
{
m_name = name;
// m_workspaceID = workspaceID;
m_glContext = new wxGLContext(m_glCanvas);
m_mouseEventsHandler = new MouseEventsHandler(this);
m_camera = new Camera();
}
Workspace::~Workspace()
{
std::vector<Element*>::iterator it = m_elementList.begin();
while(it != m_elementList.end()) {
if(!(*it)) delete *it;
it++;
}
delete m_camera;
delete m_mouseEventsHandler;
}
void Workspace::OnPaint(wxPaintEvent& event)
{
wxPaintDC dc(m_glCanvas);
m_glContext->SetCurrent(*m_glCanvas);
SetViewport();
// desenhar
std::vector<Element*>::iterator it = m_elementList.begin();
while(it != m_elementList.end()) {
Element* element = *it;
element->Draw(m_camera->GetTranslation(), m_camera->GetScale());
it++;
}
glFlush();
m_glCanvas->SwapBuffers();
event.Skip();
}
void Workspace::SetViewport()
{
glClearColor(1.0, 1.0, 1.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
glDisable(GL_DEPTH_TEST);
glEnable(GL_TEXTURE_2D);
glEnable(GL_COLOR_MATERIAL);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_LINE_SMOOTH);
double width = m_glCanvas->GetSize().x - 1;
double height = m_glCanvas->GetSize().y - 1;
glViewport(0, 0, width, height); // viewport cobrindo toda a tela
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluOrtho2D(0.0, width, height, 0.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
void Workspace::OnLeftClickDown(wxMouseEvent& event)
{
if(m_insertMode) m_insertMode = false;
event.Skip();
}
/*
void Workspace::OnKeyDown(wxKeyEvent& event)
{
if(event.GetKeyCode() == 'B' && !m_insertMode) {
Bus* newBus = new Bus(m_camera->ScreenToWorld(event.GetPosition()));
m_elementList.push_back(newBus);
m_insertMode = true;
Redraw();
}
event.Skip();
}*/
void Workspace::OnMouseMotion(wxMouseEvent& event)
{
if(m_insertMode) {
std::vector<Element*>::iterator it = m_elementList.end() - 1;
Element* element = *it;
element->SetPosition(m_camera->ScreenToWorld(event.GetPosition()));
Redraw();
}
event.Skip();
}
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