osmscout::ScreenMask Class Reference

#include <LabelLayouterHelper.h>

Public Member Functions
void	AddMask (const ScreenRectMask &mask)
bool	HasCollision (const ScreenRectMask &mask) const
void	Reset (size_t width, size_t height)
	Reset the mask for a frame: clear all marks and adopt the given viewport size.
	ScreenMask ()=default
	ScreenMask (size_t width, size_t height)

Constructor & Destructor Documentation

ScreenMask() [1/2]

osmscout::ScreenMask::ScreenMask ( )

default

ScreenMask() [2/2]

osmscout::ScreenMask::ScreenMask	(	size_t	width,
		size_t	height
	)

Member Function Documentation

AddMask()

void osmscout::ScreenMask::AddMask

(

const ScreenRectMask &

mask

)

References osmscout::ScreenRectMask::GetCell(), osmscout::ScreenRectMask::GetFirstCell(), osmscout::ScreenRectMask::GetFirstRow(), osmscout::ScreenRectMask::GetLastCell(), and osmscout::ScreenRectMask::GetLastRow().

Referenced by osmscout::LabelLayouter< NativeGlyph, NativeLabel, TextLayouter >::LayoutJob::ProcessLabelContourLabel(), and osmscout::LabelLayouter< NativeGlyph, NativeLabel, TextLayouter >::LayoutJob::ProcessLabelInstance().

HasCollision()

bool osmscout::ScreenMask::HasCollision

(

const ScreenRectMask &

mask

)

const

References osmscout::ScreenRectMask::GetCell(), osmscout::ScreenRectMask::GetFirstCell(), osmscout::ScreenRectMask::GetFirstRow(), osmscout::ScreenRectMask::GetLastCell(), and osmscout::ScreenRectMask::GetLastRow().

Referenced by osmscout::LabelLayouter< NativeGlyph, NativeLabel, TextLayouter >::LayoutJob::ProcessLabelContourLabel(), and osmscout::LabelLayouter< NativeGlyph, NativeLabel, TextLayouter >::LayoutJob::ProcessLabelInstance().

Reset()

void osmscout::ScreenMask::Reset	(	size_t	width,
		size_t	height
	)

Reset the mask for a frame: clear all marks and adopt the given viewport size.

The bitmask is reused, so a repeated frame of the same size does not allocate it again.

Referenced by osmscout::LabelLayouter< NativeGlyph, NativeLabel, TextLayouter >::LayoutJob::Reset().

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The documentation for this class was generated from the following files:

• LabelLayouterHelper.h
• LabelLayouterHelper.cpp