void CtrlSliderBg::draw( OSGraphics &rImage, int xDest, int yDest )
{
if( m_pImgSeq )
{
if( m_bgWidth > 0 && m_bgHeight > 0 )
{
// Compute the resize factors
float factorX, factorY;
getResizeFactors( factorX, factorY );
// Rescale the image with the actual size of the control
ScaledBitmap bmp( getIntf(), *m_pImgSeq,
m_bgWidth * m_nbHoriz - (int)(m_padHoriz * factorX),
m_bgHeight * m_nbVert - (int)(m_padVert * factorY) );
// Locate the right image in the background bitmap
int x = m_bgWidth * ( m_position % m_nbHoriz );
int y = m_bgHeight * ( m_position / m_nbHoriz );
// Draw the background image
rImage.drawBitmap( bmp, x, y, xDest, yDest,
m_bgWidth - (int)(m_padHoriz * factorX),
m_bgHeight - (int)(m_padVert * factorY) );
}
}
}
bool CtrlSliderBg::mouseOver( int x, int y ) const
{
// Compute the resize factors
float factorX, factorY;
getResizeFactors( factorX, factorY );
return (m_rCurve.getMinDist( (int)(x / factorX), (int)(y / factorY),
factorX, factorY ) < m_thickness );
}
void CtrlSliderBg::onResize()
{
if( m_pImgSeq )
{
// Compute only the new size of an elementary image.
// The actual resizing is done in the draw() method for now...
// Compute the resize factors
float factorX, factorY;
getResizeFactors( factorX, factorY );
// Size of one elementary background image (padding included)
m_bgWidth = (int)((m_pImgSeq->getWidth() + m_padHoriz) * factorX / m_nbHoriz);
m_bgHeight = (int)((m_pImgSeq->getHeight() + m_padVert) * factorY / m_nbVert);
}
}
void CtrlSliderCursor::refreshLayout()
{
if( m_pImg )
{
// Compute the resize factors
float factorX, factorY;
getResizeFactors( factorX, factorY );
notifyLayout( (int)(m_rCurve.getWidth() * factorX) + m_pImg->getWidth(),
(int)(m_rCurve.getHeight() * factorY) + m_pImg->getHeight(),
- m_pImg->getWidth() / 2,
- m_pImg->getHeight() / 2 );
}
else
notifyLayout();
}
void CtrlSliderBg::handleEvent( EvtGeneric &rEvent )
{
if( rEvent.getAsString().find( "mouse:left:down" ) != string::npos )
{
// Compute the resize factors
float factorX, factorY;
getResizeFactors( factorX, factorY );
// Get the position of the control
const Position *pPos = getPosition();
// Get the value corresponding to the position of the mouse
EvtMouse &rEvtMouse = (EvtMouse&)rEvent;
int x = rEvtMouse.getXPos();
int y = rEvtMouse.getYPos();
m_rVariable.set( m_rCurve.getNearestPercent(
(int)((x - pPos->getLeft()) / factorX),
(int)((y - pPos->getTop()) / factorY) ) );
// Forward the clic to the cursor
EvtMouse evt( getIntf(), x, y, EvtMouse::kLeft, EvtMouse::kDown );
TopWindow *pWin = getWindow();
if( pWin && m_pCursor )
{
EvtEnter evtEnter( getIntf() );
// XXX It was not supposed to be implemented like that !!
pWin->forwardEvent( evtEnter, *m_pCursor );
pWin->forwardEvent( evt, *m_pCursor );
}
}
else if( rEvent.getAsString().find( "scroll" ) != string::npos )
{
int direction = ((EvtScroll&)rEvent).getDirection();
float percentage = m_rVariable.get();
if( direction == EvtScroll::kUp )
{
percentage += SCROLL_STEP;
}
else
{
percentage -= SCROLL_STEP;
}
m_rVariable.set( percentage );
}
}
void CtrlSliderCursor::onPositionChange()
{
// Compute the position of the cursor
int xPos, yPos;
m_rCurve.getPoint( m_rVariable.get(), xPos, yPos );
// Compute the resize factors
float factorX, factorY;
getResizeFactors( factorX, factorY );
xPos = (int)(xPos * factorX);
yPos = (int)(yPos * factorY);
const Position *pPos = getPosition();
int x = pPos->getLeft() + xPos - m_pImg->getWidth() / 2;
int y = pPos->getTop() + yPos - m_pImg->getHeight() / 2;
m_currentCursorRect = rect( x, y, m_pImg->getWidth(), m_pImg->getHeight() );
}
void CtrlSliderCursor::draw( OSGraphics &rImage, int xDest, int yDest )
{
if( m_pImg )
{
// Compute the position of the cursor
int xPos, yPos;
m_rCurve.getPoint( m_rVariable.get(), xPos, yPos );
// Compute the resize factors
float factorX, factorY;
getResizeFactors( factorX, factorY );
xPos = (int)(xPos * factorX);
yPos = (int)(yPos * factorY);
// Draw the current image
rImage.drawGraphics( *m_pImg, 0, 0,
xDest + xPos - m_pImg->getWidth() / 2,
yDest + yPos - m_pImg->getHeight() / 2 );
}
}
bool CtrlSliderCursor::mouseOver( int x, int y ) const
{
if( m_pImg )
{
// Compute the position of the cursor
int xPos, yPos;
m_rCurve.getPoint( m_rVariable.get(), xPos, yPos );
// Compute the resize factors
float factorX, factorY;
getResizeFactors( factorX, factorY );
xPos = (int)(xPos * factorX);
yPos = (int)(yPos * factorY);
return m_pImg->hit( x - xPos + m_pImg->getWidth() / 2,
y - yPos + m_pImg->getHeight() / 2 );
}
else
{
return false;
}
}
void CtrlSliderBg::draw( OSGraphics &rImage, int xDest, int yDest, int w, int h )
{
if( !m_pImgSeq || m_bgWidth <=0 || m_bgHeight <= 0 )
return;
// Compute the resize factors
float factorX, factorY;
getResizeFactors( factorX, factorY );
int width = m_bgWidth * m_nbHoriz - (int)(m_padHoriz * factorX);
int height = m_bgHeight * m_nbVert - (int)(m_padVert * factorY);
// Rescale the image with the actual size of the control if needed
if( !m_pScaledBmp ||
m_pScaledBmp->getWidth() != width ||
m_pScaledBmp->getHeight() != height )
{
delete m_pScaledBmp;
m_pScaledBmp = new ScaledBitmap( getIntf(), *m_pImgSeq, width, height );
}
// Locate the right image in the background bitmap
int x = m_bgWidth * ( m_position % m_nbHoriz );
int y = m_bgHeight * ( m_position / m_nbHoriz );
// Draw the background image
const Position *pPos = getPosition();
rect region( pPos->getLeft(), pPos->getTop(),
m_bgWidth - (int)(m_padHoriz * factorX),
m_bgHeight - (int)(m_padVert * factorY) );
rect clip( xDest, yDest, w, h );
rect inter;
if( rect::intersect( region, clip, &inter ) )
rImage.drawBitmap( *m_pScaledBmp,
x + inter.x - region.x,
y + inter.y - region.y,
inter.x, inter.y,
inter.width, inter.height );
}
void CtrlSliderCursor::refreshLayout( bool force )
{
// Compute the position of the cursor
int xPos, yPos;
m_rCurve.getPoint( m_rVariable.get(), xPos, yPos );
// Compute the resize factors
float factorX, factorY;
getResizeFactors( factorX, factorY );
xPos = (int)(xPos * factorX);
yPos = (int)(yPos * factorY);
const Position *pPos = getPosition();
int x = pPos->getLeft() + xPos - m_pImg->getWidth() / 2;
int y = pPos->getTop() + yPos - m_pImg->getHeight() / 2;
rect region( x, y, m_pImg->getWidth(), m_pImg->getHeight() );
if( !force &&
region.x == m_currentCursorRect.x &&
region.y == m_currentCursorRect.y &&
region.width == m_currentCursorRect.width &&
region.height == m_currentCursorRect.height )
{
return;
}
rect join;
if( rect::join( m_currentCursorRect, region, &join ) )
{
m_currentCursorRect = region;
notifyLayout( join.width, join.height,
join.x - pPos->getLeft(),
join.y - pPos->getTop() );
}
}
