CtrlRadialSlider::CtrlRadialSlider( intf_thread_t *pIntf,
const GenericBitmap &rBmpSeq, int numImg,
VarPercent &rVariable, float minAngle,
float maxAngle, const UString &rHelp,
VarBool *pVisible ):
CtrlGeneric( pIntf, rHelp, pVisible ), m_fsm( pIntf ), m_numImg( numImg ),
m_rVariable( rVariable ), m_minAngle( minAngle ), m_maxAngle( maxAngle ),
m_cmdUpDown( this ), m_cmdDownUp( this ),
m_cmdMove( this )
{
// Build the images of the sequence
OSFactory *pOsFactory = OSFactory::instance( getIntf() );
m_pImgSeq = pOsFactory->createOSGraphics( rBmpSeq.getWidth(),
rBmpSeq.getHeight() );
m_pImgSeq->drawBitmap( rBmpSeq, 0, 0 );
m_width = rBmpSeq.getWidth();
m_height = rBmpSeq.getHeight() / numImg;
// States
m_fsm.addState( "up" );
m_fsm.addState( "down" );
// Transitions
m_fsm.addTransition( "up", "mouse:left:down", "down", &m_cmdUpDown );
m_fsm.addTransition( "down", "mouse:left:up", "up", &m_cmdDownUp );
m_fsm.addTransition( "down", "motion", "down", &m_cmdMove );
// Initial state
m_fsm.setState( "up" );
// Observe the variable
m_rVariable.addObserver( this );
}
bool BitmapImpl::drawBitmap( const GenericBitmap &rSource, int xSrc, int ySrc,
int xDest, int yDest, int width, int height )
{
int srcWidth = rSource.getWidth();
uint32_t *pSrc = (uint32_t*)rSource.getData() + ySrc * srcWidth + xSrc;
if( !pSrc )
{
return false;
}
if( xSrc < 0 || xSrc + width > srcWidth ||
ySrc < 0 || ySrc + height > rSource.getHeight() )
{
msg_Warn( getIntf(), "drawBitmap: source rect too small, ignoring" );
return false;
}
if( xDest < 0 || xDest + width > m_width ||
yDest < 0 || yDest + height > m_height )
{
msg_Warn( getIntf(), "drawBitmap: dest rect too small, ignoring" );
return false;
}
uint32_t *pDest = (uint32_t*)m_pData + yDest * m_width + xDest ;
for( int y = 0; y < height; y++ )
{
memcpy( pDest, pSrc, 4 * width );
pSrc += srcWidth;
pDest += m_width;
}
return true;
}
CtrlImage::CtrlImage( intf_thread_t *pIntf, const GenericBitmap &rBitmap,
CmdGeneric &rCommand, resize_t resizeMethod,
const UString &rHelp, VarBool *pVisible ):
CtrlFlat( pIntf, rHelp, pVisible ), m_rBitmap( rBitmap ),
m_rCommand( rCommand ), m_resizeMethod( resizeMethod )
{
OSFactory *pOsFactory = OSFactory::instance( pIntf );
// Create an initial unscaled image in the buffer
m_pImage = pOsFactory->createOSGraphics( rBitmap.getWidth(),
rBitmap.getHeight() );
m_pImage->drawBitmap( m_rBitmap );
}
void BitmapImpl::drawBitmap( const GenericBitmap &rSource, int xSrc, int ySrc,
int xDest, int yDest, int width, int height )
{
int srcWidth = rSource.getWidth();
uint32_t *pSrc = (uint32_t*)rSource.getData() + ySrc * srcWidth + xSrc;
uint32_t *pDest = (uint32_t*)m_pData + yDest * m_width + xDest ;
for( int y = 0; y < height; y++ )
{
memcpy( pDest, pSrc, 4 * width );
pSrc += srcWidth;
pDest += m_width;
}
}
AnimBitmap::AnimBitmap( intf_thread_t *pIntf, const GenericBitmap &rBitmap ):
SkinObject( pIntf ), m_pImage( NULL ), m_curFrame( 0 ), m_pTimer( NULL ),
m_cmdNextFrame( this ), m_rBitmap( rBitmap )
{
// Build the graphics
OSFactory *pOsFactory = OSFactory::instance( pIntf );
m_pImage = pOsFactory->createOSGraphics( rBitmap.getWidth(),
rBitmap.getHeight() );
m_pImage->drawBitmap( rBitmap, 0, 0 );
m_nbFrames = rBitmap.getNbFrames();
m_frameRate = rBitmap.getFrameRate();
// Create the timer
m_pTimer = pOsFactory->createOSTimer( m_cmdNextFrame );
}
void Tooltip::makeImage( const UString &rText )
{
// Render the text on a bitmap
GenericBitmap *pBmpTip = m_rFont.drawString( rText, 0 );
if( !pBmpTip )
{
return;
}
int w = pBmpTip->getWidth() + 10;
int h = m_rFont.getSize() + 8;
// Create the image of the tooltip
delete m_pImage;
m_pImage = OSFactory::instance( getIntf() )->createOSGraphics( w, h );
m_pImage->fillRect( 0, 0, w, h, 0xffffd0 );
m_pImage->drawRect( 0, 0, w, h, 0x000000 );
m_pImage->drawBitmap( *pBmpTip, 0, 0, 5, 5, -1, -1, true );
delete pBmpTip;
}
CtrlButton::CtrlButton( intf_thread_t *pIntf, const GenericBitmap &rBmpUp,
const GenericBitmap &rBmpOver,
const GenericBitmap &rBmpDown, CmdGeneric &rCommand,
const UString &rTooltip, const UString &rHelp,
VarBool *pVisible ):
CtrlGeneric( pIntf, rHelp, pVisible ), m_fsm( pIntf ),
m_rCommand( rCommand ), m_tooltip( rTooltip ),
m_cmdUpOverDownOver( this, &transUpOverDownOver ),
m_cmdDownOverUpOver( this, &transDownOverUpOver ),
m_cmdDownOverDown( this, &transDownOverDown ),
m_cmdDownDownOver( this, &transDownDownOver ),
m_cmdUpOverUp( this, &transUpOverUp ),
m_cmdUpUpOver( this, &transUpUpOver ),
m_cmdDownUp( this, &transDownUp ),
m_cmdUpHidden( this, &transUpHidden ),
m_cmdHiddenUp( this, &transHiddenUp )
{
// Build the images of the button
OSFactory *pOsFactory = OSFactory::instance( pIntf );
m_pImgUp = pOsFactory->createOSGraphics( rBmpUp.getWidth(),
rBmpUp.getHeight() );
m_pImgUp->drawBitmap( rBmpUp, 0, 0 );
m_pImgDown = pOsFactory->createOSGraphics( rBmpDown.getWidth(),
rBmpDown.getHeight() );
m_pImgDown->drawBitmap( rBmpDown, 0, 0 );
m_pImgOver = pOsFactory->createOSGraphics( rBmpOver.getWidth(),
rBmpOver.getHeight() );
m_pImgOver->drawBitmap( rBmpOver, 0, 0 );
// States
m_fsm.addState( "up" );
m_fsm.addState( "down" );
m_fsm.addState( "upOver" );
m_fsm.addState( "downOver" );
m_fsm.addState( "hidden" );
// Transitions
m_fsm.addTransition( "upOver", "mouse:left:down", "downOver",
&m_cmdUpOverDownOver );
m_fsm.addTransition( "upOver", "mouse:left:dblclick", "downOver",
&m_cmdUpOverDownOver );
m_fsm.addTransition( "downOver", "mouse:left:up", "upOver",
&m_cmdDownOverUpOver );
m_fsm.addTransition( "downOver", "leave", "down", &m_cmdDownOverDown );
m_fsm.addTransition( "down", "enter", "downOver", &m_cmdDownDownOver );
m_fsm.addTransition( "upOver", "leave", "up", &m_cmdUpOverUp );
m_fsm.addTransition( "up", "enter", "upOver", &m_cmdUpUpOver );
m_fsm.addTransition( "down", "mouse:left:up", "up", &m_cmdDownUp );
// XXX: It would be easy to use a "ANY" initial state to handle these
// four lines in only one. But till now it isn't worthwhile...
m_fsm.addTransition( "up", "special:hide", "hidden", &m_cmdUpHidden );
m_fsm.addTransition( "down", "special:hide", "hidden", &m_cmdUpHidden );
m_fsm.addTransition( "upOver", "special:hide", "hidden", &m_cmdUpHidden );
m_fsm.addTransition( "downOver", "special:hide", "hidden", &m_cmdUpHidden );
m_fsm.addTransition( "hidden", "special:show", "up", &m_cmdHiddenUp );
// Initial state
m_fsm.setState( "up" );
m_pImg = m_pImgUp;
}
CtrlSliderCursor::CtrlSliderCursor( intf_thread_t *pIntf,
const GenericBitmap &rBmpUp,
const GenericBitmap &rBmpOver,
const GenericBitmap &rBmpDown,
const Bezier &rCurve,
VarPercent &rVariable,
VarBool *pVisible,
const UString &rTooltip,
const UString &rHelp ):
CtrlGeneric( pIntf, rHelp, pVisible ), m_fsm( pIntf ),
m_rVariable( rVariable ), m_tooltip( rTooltip ),
m_width( rCurve.getWidth() ), m_height( rCurve.getHeight() ),
m_cmdOverDown( this, &transOverDown ),
m_cmdDownOver( this, &transDownOver ), m_cmdOverUp( this, &transOverUp ),
m_cmdUpOver( this, &transUpOver ), m_cmdMove( this, &transMove ),
m_cmdScroll( this, &transScroll ),
m_lastPercentage( 0 ), m_xOffset( 0 ), m_yOffset( 0 ),
m_pEvt( NULL ), m_rCurve( rCurve )
{
// Build the images of the cursor
OSFactory *pOsFactory = OSFactory::instance( getIntf() );
m_pImgUp = pOsFactory->createOSGraphics( rBmpUp.getWidth(),
rBmpUp.getHeight() );
m_pImgUp->drawBitmap( rBmpUp, 0, 0 );
m_pImgDown = pOsFactory->createOSGraphics( rBmpDown.getWidth(),
rBmpDown.getHeight() );
m_pImgDown->drawBitmap( rBmpDown, 0, 0 );
m_pImgOver = pOsFactory->createOSGraphics( rBmpOver.getWidth(),
rBmpOver.getHeight() );
m_pImgOver->drawBitmap( rBmpOver, 0, 0 );
// States
m_fsm.addState( "up" );
m_fsm.addState( "over" );
m_fsm.addState( "down" );
// Transitions
m_fsm.addTransition( "over", "mouse:left:down", "down",
&m_cmdOverDown );
m_fsm.addTransition( "down", "mouse:left:up", "over",
&m_cmdDownOver );
m_fsm.addTransition( "over", "leave", "up", &m_cmdOverUp );
m_fsm.addTransition( "up", "enter", "over", &m_cmdUpOver );
m_fsm.addTransition( "down", "motion", "down", &m_cmdMove );
m_fsm.addTransition( "over", "scroll", "over", &m_cmdScroll );
// Initial state
m_fsm.setState( "up" );
m_pImg = m_pImgUp;
// Observe the position variable
m_rVariable.addObserver( this );
// Initial position of the cursor
m_lastPercentage = m_rVariable.get();
}
void X11Graphics::drawBitmap( const GenericBitmap &rBitmap, int xSrc,
int ySrc, int xDest, int yDest, int width,
int height, bool blend )
{
// Get the bitmap size if necessary
if( width == -1 )
{
width = rBitmap.getWidth();
}
else if( width > rBitmap.getWidth() )
{
msg_Dbg( getIntf(), "bitmap width too small (%i)", rBitmap.getWidth() );
width = rBitmap.getWidth();
}
if( height == -1 )
{
height = rBitmap.getHeight();
}
else if( height > rBitmap.getHeight() )
{
msg_Dbg( getIntf(), "bitmap height too small (%i)", rBitmap.getHeight()
);
height = rBitmap.getHeight();
}
// Nothing to draw if width or height is null
if( width == 0 || height == 0 )
{
return;
}
// Safety check for debugging purpose
if( xDest + width > m_width || yDest + height > m_height )
{
msg_Dbg( getIntf(), "bitmap too large" );
return;
}
// Get a buffer on the image data
uint8_t *pBmpData = rBitmap.getData();
if( pBmpData == NULL )
{
// Nothing to draw
return;
}
// Get the image from the pixmap
XImage *pImage = XGetImage( XDISPLAY, m_pixmap, xDest, yDest, width,
height, AllPlanes, ZPixmap );
if( pImage == NULL )
{
msg_Dbg( getIntf(), "XGetImage returned NULL" );
return;
}
char *pData = pImage->data;
// Get the padding of this image
int pad = pImage->bitmap_pad >> 3;
int shift = ( pad - ( (width * XPIXELSIZE) % pad ) ) % pad;
// Mask for transparency
Region mask = XCreateRegion();
// Get a pointer on the right X11Display::makePixel method
X11Display::MakePixelFunc_t makePixelFunc = ( blend ?
m_rDisplay.getBlendPixel() : m_rDisplay.getPutPixel() );
// Skip the first lines of the image
pBmpData += 4 * ySrc * rBitmap.getWidth();
// Copy the bitmap on the image and compute the mask
for( int y = 0; y < height; y++ )
{
// Skip uninteresting bytes at the beginning of the line
pBmpData += 4 * xSrc;
// Flag to say whether the previous pixel on the line was visible
bool wasVisible = false;
// Beginning of the current visible segment on the line
int visibleSegmentStart = 0;
for( int x = 0; x < width; x++ )
{
uint8_t b = *(pBmpData++);
uint8_t g = *(pBmpData++);
uint8_t r = *(pBmpData++);
uint8_t a = *(pBmpData++);
// Draw the pixel
(m_rDisplay.*makePixelFunc)( (uint8_t*)pData, r, g, b, a );
pData += XPIXELSIZE;
if( a > 0 )
{
// Pixel is visible
if( ! wasVisible )
{
// Beginning of a visible segment
visibleSegmentStart = x;
}
wasVisible = true;
}
else
{
// Pixel is transparent
if( wasVisible )
{
// End of a visible segment: add it to the mask
addHSegmentInRegion( mask, visibleSegmentStart, x, y );
}
wasVisible = false;
}
}
if( wasVisible )
{
// End of a visible segment: add it to the mask
addHSegmentInRegion( mask, visibleSegmentStart, width, y );
}
pData += shift;
// Skip uninteresting bytes at the end of the line
pBmpData += 4 * (rBitmap.getWidth() - width - xSrc);
}
// Apply the mask to the graphics context
XOffsetRegion( mask, xDest, yDest );
XSetRegion( XDISPLAY, m_gc, mask );
// Copy the image on the pixmap
XPutImage( XDISPLAY, m_pixmap, m_gc, pImage, 0, 0, xDest, yDest, width,
height);
XDestroyImage( pImage );
// Add the bitmap mask to the global graphics mask
Region newMask = XCreateRegion();
XUnionRegion( mask, m_mask, newMask );
XDestroyRegion( m_mask );
m_mask = newMask;
XDestroyRegion( mask );
}
void Win32Graphics::drawBitmap( const GenericBitmap &rBitmap,
int xSrc, int ySrc, int xDest, int yDest,
int width, int height, bool blend )
{
(void)blend;
// check and adapt to source if needed
if( !checkBoundaries( 0, 0, rBitmap.getWidth(), rBitmap.getHeight(),
xSrc, ySrc, width, height ) )
{
msg_Err( getIntf(), "empty source! pls, debug your skin" );
return;
}
// check destination
if( !checkBoundaries( 0, 0, m_width, m_height,
xDest, yDest, width, height ) )
{
msg_Err( getIntf(), "out of reach destination! pls, debug your skin" );
return;
}
// Get a buffer on the image data
uint8_t *pBmpData = rBitmap.getData();
if( pBmpData == NULL )
{
// Nothing to draw
return;
}
void *pBits; // pointer to DIB section
// Fill a BITMAPINFO structure
BITMAPINFO bmpInfo;
memset( &bmpInfo, 0, sizeof( bmpInfo ) );
bmpInfo.bmiHeader.biSize = sizeof( BITMAPINFOHEADER );
bmpInfo.bmiHeader.biWidth = width;
bmpInfo.bmiHeader.biHeight = -height;
bmpInfo.bmiHeader.biPlanes = 1;
bmpInfo.bmiHeader.biBitCount = 32;
bmpInfo.bmiHeader.biCompression = BI_RGB;
bmpInfo.bmiHeader.biSizeImage = width * height * 4;
// Create a DIB (Device Independent Bitmap) and associate it with
// a temporary DC
HDC hDC = CreateCompatibleDC( m_hDC );
HBITMAP hBmp = CreateDIBSection( hDC, &bmpInfo, DIB_RGB_COLORS,
&pBits, NULL, 0 );
SelectObject( hDC, hBmp );
// Mask for transparency
HRGN mask = CreateRectRgn( 0, 0, 0, 0 );
// Skip the first lines of the image
pBmpData += 4 * ySrc * rBitmap.getWidth();
// Copy the bitmap on the image and compute the mask
for( int y = 0; y < height; y++ )
{
// Skip uninteresting bytes at the beginning of the line
pBmpData += 4 * xSrc;
// Flag to say whether the previous pixel on the line was visible
bool wasVisible = false;
// Beginning of the current visible segment on the line
int visibleSegmentStart = 0;
for( int x = 0; x < width; x++ )
{
uint8_t b = *(pBmpData++);
uint8_t g = *(pBmpData++);
uint8_t r = *(pBmpData++);
uint8_t a = *(pBmpData++);
// Draw the pixel
((UINT32 *)pBits)[x + y * width] =
(a << 24) | (r << 16) | (g << 8) | b;
if( a > 0 )
{
// Pixel is visible
if( ! wasVisible )
{
// Beginning of a visible segment
visibleSegmentStart = x;
}
wasVisible = true;
}
else
{
// Pixel is transparent
if( wasVisible )
{
// End of a visible segment: add it to the mask
addSegmentInRegion( mask, visibleSegmentStart, x, y );
}
wasVisible = false;
}
}
if( wasVisible )
{
// End of a visible segment: add it to the mask
addSegmentInRegion( mask, visibleSegmentStart, width, y );
}
// Skip uninteresting bytes at the end of the line
pBmpData += 4 * (rBitmap.getWidth() - width - xSrc);
}
// Apply the mask to the internal DC
OffsetRgn( mask, xDest, yDest );
SelectClipRgn( m_hDC, mask );
BLENDFUNCTION bf; // structure for alpha blending
bf.BlendOp = AC_SRC_OVER;
bf.BlendFlags = 0;
bf.SourceConstantAlpha = 0xff; // don't use constant alpha
bf.AlphaFormat = AC_SRC_ALPHA;
// Blend the image onto the internal DC
if( !AlphaBlend( m_hDC, xDest, yDest, width, height, hDC, 0, 0,
width, height, bf ) )
{
msg_Err( getIntf(), "AlphaBlend() failed" );
}
// Add the bitmap mask to the global graphics mask
CombineRgn( m_mask, m_mask, mask, RGN_OR );
// Do cleanup
DeleteObject( hBmp );
DeleteObject( mask );
DeleteDC( hDC );
}
void CtrlTree::makeImage()
{
stats_TimerStart( getIntf(), "[Skins] Playlist image",
STATS_TIMER_SKINS_PLAYTREE_IMAGE );
delete m_pImage;
// Get the size of the control
const Position *pPos = getPosition();
if( !pPos )
{
stats_TimerStop( getIntf(), STATS_TIMER_SKINS_PLAYTREE_IMAGE );
return;
}
int width = pPos->getWidth();
int height = pPos->getHeight();
int i_itemHeight = itemHeight();
// Create an image
OSFactory *pOsFactory = OSFactory::instance( getIntf() );
m_pImage = pOsFactory->createOSGraphics( width, height );
VarTree::Iterator it = m_firstPos;
if( m_pBgBitmap )
{
// Draw the background bitmap
if( !m_pScaledBitmap ||
m_pScaledBitmap->getWidth() != width ||
m_pScaledBitmap->getHeight() != height )
{
delete m_pScaledBitmap;
m_pScaledBitmap =
new ScaledBitmap( getIntf(), *m_pBgBitmap, width, height );
}
m_pImage->drawBitmap( *m_pScaledBitmap, 0, 0 );
for( int yPos = 0; yPos < height; yPos += i_itemHeight )
{
if( it != m_rTree.end() )
{
if( it->isSelected() )
{
int rectHeight = __MIN( i_itemHeight, height - yPos );
m_pImage->fillRect( 0, yPos, width, rectHeight,
m_selColor );
}
do
{
it = m_flat ? m_rTree.getNextLeaf( it )
: m_rTree.getNextVisibleItem( it );
} while( it != m_rTree.end() && it->isDeleted() );
}
}
}
else
{
// FIXME (TRYME)
// Fill background with background color
uint32_t bgColor = m_bgColor1;
m_pImage->fillRect( 0, 0, width, height, bgColor );
for( int yPos = 0; yPos < height; yPos += i_itemHeight )
{
int rectHeight = __MIN( i_itemHeight, height - yPos );
if( it == m_rTree.end() )
m_pImage->fillRect( 0, yPos, width, rectHeight, bgColor );
else
{
uint32_t color = ( it->isSelected() ? m_selColor : bgColor );
m_pImage->fillRect( 0, yPos, width, rectHeight, color );
do
{
it = m_flat ? m_rTree.getNextLeaf( it )
: m_rTree.getNextVisibleItem( it );
} while( it != m_rTree.end() && it->isDeleted() );
}
bgColor = ( bgColor == m_bgColor1 ? m_bgColor2 : m_bgColor1 );
}
}
int bitmapWidth = itemImageWidth();
int yPos = 0;
it = m_firstPos;
while( it != m_rTree.end() && yPos < height )
{
const GenericBitmap *m_pCurBitmap;
UString *pStr = it->getString();
uint32_t color = ( it->isPlaying() ? m_playColor : m_fgColor );
// Draw the text
if( pStr != NULL )
{
int depth = m_flat ? 1 : it->depth();
GenericBitmap *pText = m_rFont.drawString( *pStr, color, width - bitmapWidth * depth );
if( !pText )
{
stats_TimerStop( getIntf(), STATS_TIMER_SKINS_PLAYTREE_IMAGE );
return;
}
if( it->size() )
m_pCurBitmap = it->isExpanded() ? m_pOpenBitmap : m_pClosedBitmap;
else
m_pCurBitmap = m_pItemBitmap;
if( m_pCurBitmap )
{
// Make sure we are centered on the line
int yPos2 = yPos+(i_itemHeight-m_pCurBitmap->getHeight()+1)/2;
if( yPos2 >= height )
{
delete pText;
break;
}
m_pImage->drawBitmap( *m_pCurBitmap, 0, 0,
bitmapWidth * (depth - 1 ), yPos2,
m_pCurBitmap->getWidth(),
__MIN( m_pCurBitmap->getHeight(),
height - yPos2), true );
}
yPos += i_itemHeight - pText->getHeight();
int ySrc = 0;
if( yPos < 0 )
{
ySrc = - yPos;
yPos = 0;
}
int lineHeight = __MIN( pText->getHeight() - ySrc, height - yPos );
m_pImage->drawBitmap( *pText, 0, ySrc, bitmapWidth * depth, yPos,
pText->getWidth(),
lineHeight, true );
yPos += (pText->getHeight() - ySrc );
delete pText;
}
do
{
it = m_flat ? m_rTree.getNextLeaf( it )
: m_rTree.getNextVisibleItem( it );
} while( it != m_rTree.end() && it->isDeleted() );
}
stats_TimerStop( getIntf(), STATS_TIMER_SKINS_PLAYTREE_IMAGE );
}
void CtrlList::makeImage()
{
delete m_pImage;
// Get the size of the control
const Position *pPos = getPosition();
if( !pPos )
{
return;
}
int width = pPos->getWidth();
int height = pPos->getHeight();
int itemHeight = m_rFont.getSize() + LINE_INTERVAL;
// Create an image
OSFactory *pOsFactory = OSFactory::instance( getIntf() );
m_pImage = pOsFactory->createOSGraphics( width, height );
VarList::ConstIterator it = m_rList[m_lastPos];
// Draw the background
if( m_pBitmap )
{
// A background bitmap is given, so we scale it, ignoring the
// background colors
ScaledBitmap bmp( getIntf(), *m_pBitmap, width, height );
m_pImage->drawBitmap( bmp, 0, 0 );
// Take care of the selection color
for( int yPos = 0; yPos < height; yPos += itemHeight )
{
int rectHeight = __MIN( itemHeight, height - yPos );
if( it != m_rList.end() )
{
if( (*it).m_selected )
{
m_pImage->fillRect( 0, yPos, width, rectHeight,
m_selColor );
}
++it;
}
}
}
else
{
// No background bitmap, so use the 2 background colors
// Current background color
uint32_t bgColor = m_bgColor1;
for( int yPos = 0; yPos < height; yPos += itemHeight )
{
int rectHeight = __MIN( itemHeight, height - yPos );
if( it != m_rList.end() )
{
uint32_t color = ( (*it).m_selected ? m_selColor : bgColor );
m_pImage->fillRect( 0, yPos, width, rectHeight, color );
++it;
}
else
{
m_pImage->fillRect( 0, yPos, width, rectHeight, bgColor );
}
// Flip the background color
bgColor = ( bgColor == m_bgColor1 ? m_bgColor2 : m_bgColor1 );
}
}
// Draw the items
int yPos = 0;
for( it = m_rList[m_lastPos]; it != m_rList.end() && yPos < height; ++it )
{
UString *pStr = (UString*)(it->m_cString.get());
uint32_t color = ( it->m_playing ? m_playColor : m_fgColor );
// Draw the text
GenericBitmap *pText = m_rFont.drawString( *pStr, color, width );
if( !pText )
{
return;
}
yPos += itemHeight - pText->getHeight();
int ySrc = 0;
if( yPos < 0 )
{
ySrc = - yPos;
yPos = 0;
}
int lineHeight = __MIN( pText->getHeight() - ySrc, height - yPos );
m_pImage->drawBitmap( *pText, 0, ySrc, 0, yPos, pText->getWidth(),
lineHeight, true );
yPos += (pText->getHeight() - ySrc );
delete pText;
}
}
void X11Graphics::drawBitmap( const GenericBitmap &rBitmap, int xSrc,
int ySrc, int xDest, int yDest, int width,
int height, bool blend )
{
// check and adapt to source if needed
if( !checkBoundaries( 0, 0, rBitmap.getWidth(), rBitmap.getHeight(),
xSrc, ySrc, width, height ) )
{
msg_Err( getIntf(), "empty source! pls, debug your skin" );
return;
}
// check destination
if( !checkBoundaries( 0, 0, m_width, m_height,
xDest, yDest, width, height ) )
{
msg_Err( getIntf(), "out of reach destination! pls, debug your skin" );
return;
}
// Get a buffer on the image data
uint8_t *pBmpData = rBitmap.getData();
if( pBmpData == NULL )
{
// Nothing to draw
return;
}
// Force pending XCopyArea to be sent to the X Server
// before issuing an XGetImage.
XSync( XDISPLAY, False );
// Get the image from the pixmap
XImage *pImage = XGetImage( XDISPLAY, m_pixmap, xDest, yDest, width,
height, AllPlanes, ZPixmap );
if( pImage == NULL )
{
msg_Dbg( getIntf(), "XGetImage returned NULL" );
return;
}
char *pData = pImage->data;
// Get the padding of this image
int pad = pImage->bitmap_pad >> 3;
int shift = ( pad - ( (width * XPIXELSIZE) % pad ) ) % pad;
// Mask for transparency
Region mask = XCreateRegion();
// Get a pointer on the right X11Display::makePixel method
X11Display::MakePixelFunc_t makePixelFunc = ( blend ?
m_rDisplay.getBlendPixel() : m_rDisplay.getPutPixel() );
// Skip the first lines of the image
pBmpData += 4 * ySrc * rBitmap.getWidth();
// Copy the bitmap on the image and compute the mask
for( int y = 0; y < height; y++ )
{
// Skip uninteresting bytes at the beginning of the line
pBmpData += 4 * xSrc;
// Flag to say whether the previous pixel on the line was visible
bool wasVisible = false;
// Beginning of the current visible segment on the line
int visibleSegmentStart = 0;
for( int x = 0; x < width; x++ )
{
uint8_t b = *(pBmpData++);
uint8_t g = *(pBmpData++);
uint8_t r = *(pBmpData++);
uint8_t a = *(pBmpData++);
// Draw the pixel
(m_rDisplay.*makePixelFunc)( (uint8_t*)pData, r, g, b, a );
pData += XPIXELSIZE;
if( a > 0 )
{
// Pixel is visible
if( ! wasVisible )
{
// Beginning of a visible segment
visibleSegmentStart = x;
}
wasVisible = true;
}
else
{
// Pixel is transparent
if( wasVisible )
{
// End of a visible segment: add it to the mask
addHSegmentInRegion( mask, visibleSegmentStart, x, y );
}
wasVisible = false;
}
}
if( wasVisible )
{
// End of a visible segment: add it to the mask
addHSegmentInRegion( mask, visibleSegmentStart, width, y );
}
pData += shift;
// Skip uninteresting bytes at the end of the line
pBmpData += 4 * (rBitmap.getWidth() - width - xSrc);
}
// Apply the mask to the graphics context
XOffsetRegion( mask, xDest, yDest );
XSetRegion( XDISPLAY, m_gc, mask );
// Copy the image on the pixmap
XPutImage( XDISPLAY, m_pixmap, m_gc, pImage, 0, 0, xDest, yDest, width,
height);
XDestroyImage( pImage );
// Add the bitmap mask to the global graphics mask
Region newMask = XCreateRegion();
XUnionRegion( mask, m_mask, newMask );
XDestroyRegion( m_mask );
m_mask = newMask;
XDestroyRegion( mask );
}
void CtrlTree::makeImage()
{
delete m_pImage;
// Get the size of the control
const Position *pPos = getPosition();
if( !pPos )
return;
int width = pPos->getWidth();
int height = pPos->getHeight();
int i_itemHeight = itemHeight();
// Create an image
OSFactory *pOsFactory = OSFactory::instance( getIntf() );
m_pImage = pOsFactory->createOSGraphics( width, height );
Iterator it = m_firstPos;
if( m_pBgBitmap )
{
// Draw the background bitmap
if( !m_pScaledBitmap ||
m_pScaledBitmap->getWidth() != width ||
m_pScaledBitmap->getHeight() != height )
{
delete m_pScaledBitmap;
m_pScaledBitmap =
new ScaledBitmap( getIntf(), *m_pBgBitmap, width, height );
}
m_pImage->drawBitmap( *m_pScaledBitmap, 0, 0 );
for( int yPos = 0;
yPos < height && it != m_rTree.end();
yPos += i_itemHeight, ++it )
{
if( it->isSelected() )
{
int rectHeight = __MIN( i_itemHeight, height - yPos );
m_pImage->fillRect( 0, yPos, width, rectHeight, m_selColor );
}
}
}
else
{
// Fill background with background color
uint32_t bgColor = m_bgColor1;
m_pImage->fillRect( 0, 0, width, height, bgColor );
// Overwrite with alternate colors (bgColor1, bgColor2)
for( int yPos = 0; yPos < height; yPos += i_itemHeight )
{
int rectHeight = __MIN( i_itemHeight, height - yPos );
if( it == m_rTree.end() )
m_pImage->fillRect( 0, yPos, width, rectHeight, bgColor );
else
{
uint32_t color = ( it->isSelected() ? m_selColor : bgColor );
m_pImage->fillRect( 0, yPos, width, rectHeight, color );
++it;
}
bgColor = ( bgColor == m_bgColor1 ? m_bgColor2 : m_bgColor1 );
}
}
int bitmapWidth = itemImageWidth();
it = m_firstPos;
for( int yPos = 0; yPos < height && it != m_rTree.end(); ++it )
{
const GenericBitmap *m_pCurBitmap;
UString *pStr = it->getString();
if( pStr != NULL )
{
uint32_t color = it->isPlaying() ? m_playColor : m_fgColor;
int depth = m_flat ? 1 : it->depth();
GenericBitmap *pText =
m_rFont.drawString( *pStr, color, width-bitmapWidth*depth );
if( !pText )
{
return;
}
if( it->size() )
m_pCurBitmap =
it->isExpanded() ? m_pOpenBitmap : m_pClosedBitmap;
else
m_pCurBitmap = m_pItemBitmap;
if( m_pCurBitmap )
{
// Make sure we are centered on the line
int yPos2 = yPos+(i_itemHeight-m_pCurBitmap->getHeight()+1)/2;
if( yPos2 >= height )
{
delete pText;
break;
}
// Draw the icon in front of the text
m_pImage->drawBitmap( *m_pCurBitmap, 0, 0,
bitmapWidth * (depth - 1 ), yPos2,
m_pCurBitmap->getWidth(),
__MIN( m_pCurBitmap->getHeight(),
height - yPos2), true );
}
yPos += i_itemHeight - pText->getHeight();
int ySrc = 0;
if( yPos < 0 )
{
ySrc = - yPos;
yPos = 0;
}
int lineHeight = __MIN( pText->getHeight() - ySrc, height - yPos );
// Draw the text
m_pImage->drawBitmap( *pText, 0, ySrc, bitmapWidth * depth, yPos,
pText->getWidth(),
lineHeight, true );
yPos += (pText->getHeight() - ySrc );
if( it == m_itOver )
{
// Draw the underline bar below the text for drag&drop
m_pImage->fillRect(
bitmapWidth * (depth - 1 ), yPos - 2,
bitmapWidth + pText->getWidth(), __MAX( lineHeight/5, 3 ),
m_selColor );
}
delete pText;
}
}
}