// Filename   : custom.cpp
// Last Change: 2019-06-07 金 17:36:31.
//

#include "id.h"
#include "appconf.h"
#include "custom.h"

/*** LookWindow Class ***/
LookWindow::LookWindow( wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style )
	: wxWindow( parent, id, pos, size, style )
{
}

LookWindow::~LookWindow()
{
}

// Event Table
BEGIN_EVENT_TABLE( LookWindow, wxWindow )
	EVT_PAINT( LookWindow::OnPaint )
	EVT_LEFT_DOWN( LookWindow::OnLeftDown )
	EVT_RIGHT_DOWN( LookWindow::OnRightDown )
	EVT_MOTION( LookWindow::OnMotion )
END_EVENT_TABLE()

/* Event Handlers & Functions */
// Event Handlers
void LookWindow::OnPaint( wxPaintEvent &event )
{
	LoadImage();
}

void LookWindow::OnMotion( wxMouseEvent &event )
{
	if ( event.Dragging() && event.LeftIsDown() ) {
		event.GetPosition( &m_x2, &m_y2 );
		//m_spnx->SetValue( m_x1 ); // **seg fault
		DoMask1();
	} else if ( event.Dragging() && event.RightIsDown() && m_masknum == 2 ) {
		event.GetPosition( &m_s2, &m_t2 );
		DoMask2();
	}
}

void LookWindow::OnLeftDown( wxMouseEvent &event )
{
	event.GetPosition( &m_x1, &m_y1 );
	ReloadImage();
	if ( m_masknum == 2 ) DoMask2();
}

void LookWindow::OnLeftUp( wxMouseEvent &event )
{
	event.GetPosition( &m_x2, &m_y2 );
}

void LookWindow::OnRightDown( wxMouseEvent &event )
{
	if ( m_masknum == 1 ) return;

	event.GetPosition( &m_s1, &m_t1 );
	ReloadImage();
	DoMask1();
}

void LookWindow::OnRightUp( wxMouseEvent &event )
{
	event.GetPosition( &m_s2, &m_t2 );
}

// Functions
void LookWindow::SetDefaultParams( int i, int w, int h, int dcw, int dch )
{
	AppConf appconf;
	wxRect r = appconf.LoadMask( i );

	m_w   = w;   m_h   = h;
	m_dcw = dcw; m_dch = dch;

	m_scalex = m_w / m_dcw;
	m_scaley = m_h / m_dch;

	m_x0 = r.x / m_scalex;
	m_y0 = r.y / m_scaley;
	m_w0 = r.width  / m_scalex;
	m_h0 = r.height / m_scaley;
}

void LookWindow::AddMask( void )
{
	AppConf appconf;
	wxRect r = appconf.LoadMask( 4 );

	m_s0 = r.x / m_scalex;
	m_t0 = r.y / m_scaley;
	m_u0 = r.width  / m_scalex;
	m_v0 = r.height / m_scaley;

	m_masknum = 2;
}

void LookWindow::ResetMask1( void )
{
	m_x1 = m_x0;
	m_y1 = m_y0;
	m_x2 = m_x0 + m_w0;
	m_y2 = m_y0 + m_h0;
	DoMask1();
	if ( m_masknum == 2 ) DoMask2();
}

void LookWindow::ResetMask2( void )
{
	m_s1 = m_s0;
	m_t1 = m_t0;
	m_s2 = m_s0 + m_u0;
	m_t2 = m_t0 + m_v0;
	DoMask2();
	DoMask1();
}

void LookWindow::LoadImage( void )
{
    wxImage image( m_file, wxBITMAP_TYPE_JPEG );
	wxRect rect( 0, 0, m_w, m_h );

    image = image.GetSubImage( rect );
    m_bitmap = wxBitmap( image.Scale( m_dcw, m_dch, wxIMAGE_QUALITY_HIGH ) );

	wxPaintDC dc( this );
	dc.DrawBitmap( m_bitmap, 0, 0 );
}

void LookWindow::ReloadImage( void )
{
	wxClientDC dc( this );
	dc.DrawBitmap( m_bitmap, 0, 0 );
}

void LookWindow::DoMask1()
{
	wxClientDC dc( this );
	wxPen pen( *wxRED, 10 );
	dc.SetPen( pen );

	int sx, sy, ex, ey;
	int dx = 3, dy = 3;

	if ( m_x1 < m_x2 ) {
		sx = m_x1; ex = m_x2;
	} else {
		sx = m_x2; ex = m_x1;	// **not perform
	}
	if ( m_y1 < m_y2 ) {
		sy = m_y1; ey = m_y2;
	} else {
		sy = m_y2; ey = m_y1;
	}

	for ( int i = m_x1; i < m_x2; i += dx ) {
		for ( int j = m_y1; j < m_y2; j += dy ) {
			dc.DrawPoint( i, j );
		}
	}

	dc.SetPen( wxNullPen );
}

void LookWindow::DoMask2()
{
	wxClientDC dc( this );
	wxPen pen( *wxBLUE, 10 );
	dc.SetPen( pen );

	int ss, st, es, et;
	int ds = 3, dt = 3;

	if ( m_s1 < m_s2 ) {
		ss = m_s1; es = m_s2;
	} else {
		ss = m_s2; es = m_s1;	// **not perform
	}
	if ( m_t1 < m_t2 ) {
		st = m_t1; et = m_t2;
	} else {
		st = m_t2; et = m_t1;
	}

	for ( int i = m_s1; i < m_s2; i += ds ) {
		for ( int j = m_t1; j < m_t2; j += dt ) {
			dc.DrawPoint( i, j );
		}
	}

	dc.SetPen( wxNullPen );
}


wxRect LookWindow::GetRealMask1Rect( void )
{
	int x1 = m_x1 * m_scalex;
	int x2 = m_x2 * m_scalex;
	int y1 = m_y1 * m_scaley;
	int y2 = m_y2 * m_scaley;
	wxRect rect( wxPoint( x1, y1 ), wxPoint( x2, y2 ) );
	return rect;
}

wxRect LookWindow::GetRealMask2Rect( void )
{
	int x1 = m_s1 * m_scalex;
	int x2 = m_s2 * m_scalex;
	int y1 = m_t1 * m_scaley;
	int y2 = m_t2 * m_scaley;
	wxRect rect( wxPoint( x1, y1 ), wxPoint( x2, y2 ) );
	return rect;
}

void LookWindow::AssignSpinControl( wxSpinCtrl* spnx, wxSpinCtrl* spny, wxSpinCtrl* spnw, wxSpinCtrl* spnh )
{
	m_spnx = spnx; m_spny = spny;
	m_spnw = spnw; m_spnh = spnh;
}