#include <fp_Column.h>

Inheritance diagram for fp_Column:

Public Member Functions
	fp_Column (fl_SectionLayout *pSectionLayout)
	~fp_Column ()
fl_DocSectionLayout *	getDocSectionLayout (void) const
void	setLeader (fp_Column *p)
void	setFollower (fp_Column *p)
fp_Column *	getLeader (void) const
fp_Column *	getFollower (void) const
bool	containsPageBreak (void) const
void	setPage (fp_Page *pPage)
virtual fp_Page *	getPage (void) const
UT_sint32	getColumnIndex (void)
UT_sint32	getMaxHeight (void) const
void	layout (void)
void	collapseEndnotes (void)
Protected Member Functions
UT_uint32	_getBottomOfLastContainer (void) const
void	_drawBoundaries (dg_DrawArgs *pDA)
Private Attributes
fp_Column *	m_pLeader
fp_Column *	m_pFollower
fp_Page *	m_pPage

Constructor & Destructor Documentation

fp_Column::fp_Column ( fl_SectionLayout * pSectionLayout )

Create column

Parameters:

pSectionLayout

Section layout type used for this container

The section the column is created in specifies the number of column rows. There is always created columns for all rows at the same time. The first (left-most) column is the leader.

I suspect BIDI does not work with multiple columns since the leader would then have to be the right-most column.

fp_Column::~fp_Column ( )

References fp_Container::countCons(), and xxx_UT_DEBUGMSG.

Member Function Documentation

void fp_Column::_drawBoundaries ( dg_DrawArgs * pDA ) [protected, virtual]

Draw column outline

Parameters:

pDA

Draw arguments

This differs from the container function in that it will use draw the outline based on the tallest column in the row.

Reimplemented from fp_VerticalContainer.

References GR_Graphics::CAP_PROJECTING, GR_Graphics::DGP_SCREEN, GR_Painter::drawLine(), fp_Page::getDocLayout(), getFollower(), fp_ContainerObject::getGraphics(), fp_VerticalContainer::getHeight(), getLeader(), getMaxHeight(), getPage(), FV_View::getShowPara(), fp_VerticalContainer::getView(), FL_DocLayout::getView(), fp_VerticalContainer::getWidth(), GR_Graphics::JOIN_MITER, GR_Graphics::LINE_SOLID, dg_DrawArgs::pG, GR_Graphics::queryProperties(), GR_Graphics::setColor(), GR_Graphics::setLineProperties(), GR_Graphics::tlu(), dg_DrawArgs::xoff, and dg_DrawArgs::yoff.

UT_uint32 fp_Column::_getBottomOfLastContainer ( void ) const [protected]

void fp_Column::collapseEndnotes ( void )

This method should be called before a docsection collapse since we can't be sure that the docsection that owns this column also contains the endnote in this column

References fl_EndnoteLayout::collapse(), fp_Container::countCons(), fp_Container::findCon(), fp_ContainerObject::getContainerType(), fp_Container::getNthCon(), fp_ContainerObject::getSectionLayout(), and fp_Container::justRemoveNthCon().

Referenced by fl_DocSectionLayout::collapse().

bool fp_Column::containsPageBreak ( void ) const

Returns true of the column contains a page break.

References fp_Line::containsForcedPageBreak(), fp_ContainerObject::getContainerType(), and fp_VerticalContainer::getLastContainer().

Referenced by fb_ColumnBreaker::_breakSection(), and fp_Page::containsPageBreak().

UT_sint32 fp_Column::getColumnIndex ( void )

References fp_Page::countColumnLeaders(), getDocSectionLayout(), fp_Container::getNext(), fp_Page::getNthColumnLeader(), fl_DocSectionLayout::getNumColumns(), and getPage().

Referenced by FV_FrameEdit::getFrameStrings(), and fl_BlockLayout::setFramesOnPage().

fp_Column* fp_Column::getLeader ( void ) const [inline]

Referenced by _drawBoundaries(), FV_View::_moveInsPtNextPrevLine(), fl_DocSectionLayout::collapse(), fp_Page::columnHeightChanged(), fl_DocSectionLayout::deleteEmptyColumns(), fp_Page::getAvailableHeightForColumn(), FV_View::getTopRulerInfo(), and FV_View::notifyListeners().

UT_sint32 fp_Column::getMaxHeight ( void ) const

Get container's max height

Returns:: Max height

Reimplemented from fp_VerticalContainer.

References fp_Page::getAvailableHeightForColumn(), fp_VerticalContainer::getMaxHeight(), and getPage().

Referenced by fb_ColumnBreaker::_breakSection(), _drawBoundaries(), and layout().

virtual fp_Page* fp_Column::getPage ( void ) const [inline, virtual]

Reimplemented from fp_Container.

Referenced by fb_ColumnBreaker::_breakSection(), _drawBoundaries(), fl_HdrFtrSectionLayout::addValidPages(), FV_View::cmdInsertPositionedGraphic(), fl_DocSectionLayout::collapse(), fl_DocSectionLayout::deleteEmptyColumns(), getColumnIndex(), getMaxHeight(), fl_DocSectionLayout::getNewContainer(), fp_TableContainer::getPage(), fp_CellContainer::getScreenPositions(), and layout().

void fp_Column::layout ( void )

Layout lines in the column

This function iterates over the lines in the column and computes their screen position from their accumulative heights in layout units.

Since this code accumulates fractions of the conversion process, the difference between Y positions of two lines may differ from the pre-computed height of the upper line. This is due to simple rounding errors and general lack of precision (screen coordinates are integer while the computation yields fractions).

To make XY/position conversion precise, remove the gaps by updating the line heights. Note that the line heights get updated next time there's a line lookup - so this does not in any way affect layout, only the precision of the XY/position conversion code.

Sevior: I put in the 0.5 to deal with truncation errors and the +1 to deal with the last line.