CapabilitiesToStateMask Class Reference

Public Functions
bool	canBlitterAlphaFillRect () const
bool	canBlitterDrawPixmap (const QRectF &r, const QPixmap &pm, const QRectF &sr) const
bool	canBlitterDrawPixmapOpacity (const QPixmap &pm) const
bool	canBlitterDrawRectMask () const
bool	canBlitterFillRect () const
	CapabilitiesToStateMask (QBlittable::Capabilities capabilities)
void	updateState (uint mask, bool on)

Private Functions
void	setAlphaFillRectMask ()
void	setFillRectMask ()
void	setOpacityPixmapMask ()
void	setSourceOverPixmapMask ()
void	setSourceOverScaledPixmapMask ()
void	setSourcePixmapMask ()

Static Private Functions
static bool	checkStateAgainstMask (uint state, uint mask)
static void	updateStateBits (uint *state, uint mask, bool on)

Properties
uint	alphaFillRectMask
uint	capabillitiesState
uint	drawPixmapMask
uint	drawRectMask
uint	fillRectMask
QBlittable::Capabilities	m_capabilities
uint	opacityPixmapMask

Detailed Description

Definition at line 69 of file qpaintengine_blitter.cpp.

Constructors and Destructors

CapabilitiesToStateMask()

CapabilitiesToStateMask::CapabilitiesToStateMask ( QBlittable::Capabilities  capabilities )

inline

Definition at line 72 of file qpaintengine_blitter.cpp.

        : m_capabilities(capabilities)
        , fillRectMask(0)
        , drawRectMask(0)
        , drawPixmapMask(0)
        , alphaFillRectMask(0)
        , opacityPixmapMask(0)
        , capabillitiesState(0)
    {
        if (capabilities & QBlittable::SolidRectCapability)
            setFillRectMask();
        if (capabilities & QBlittable::SourcePixmapCapability)
           setSourcePixmapMask();
        if (capabilities & QBlittable::SourceOverPixmapCapability)
           setSourceOverPixmapMask();
        if (capabilities & QBlittable::SourceOverScaledPixmapCapability)
            setSourceOverScaledPixmapMask();
        if (capabilities & QBlittable::AlphaFillRectCapability)
            setAlphaFillRectMask();
        if (capabilities & QBlittable::OpacityPixmapCapability)
            setOpacityPixmapMask();
    }

Functions

canBlitterAlphaFillRect()

bool CapabilitiesToStateMask::canBlitterAlphaFillRect ( ) const

inline

Definition at line 100 of file qpaintengine_blitter.cpp.

    {
        return checkStateAgainstMask(capabillitiesState, alphaFillRectMask);
    }

canBlitterDrawPixmap()

bool CapabilitiesToStateMask::canBlitterDrawPixmap ( const QRectF &  r, const QPixmap &  pm, const QRectF &  sr  ) const

inline

Definition at line 110 of file qpaintengine_blitter.cpp.

    {
        if (pm.pixmapData()->classId() != QPixmapData::BlitterClass)
            return false;
        if (checkStateAgainstMask(capabillitiesState, drawPixmapMask)) {
            if (m_capabilities & (QBlittable::SourceOverPixmapCapability
                                  | QBlittable::SourceOverScaledPixmapCapability)) {
                if (r.size() != sr.size())
                    return m_capabilities & QBlittable::SourceOverScaledPixmapCapability;
                else
                    return m_capabilities & QBlittable::SourceOverPixmapCapability;
            }
            if ((m_capabilities & QBlittable::SourcePixmapCapability) && r.size() == sr.size() && !pm.hasAlphaChannel())
                return m_capabilities & QBlittable::SourcePixmapCapability;
        }
        return false;
    }

canBlitterDrawPixmapOpacity()

bool CapabilitiesToStateMask::canBlitterDrawPixmapOpacity ( const QPixmap &  pm ) const

inline

Definition at line 128 of file qpaintengine_blitter.cpp.

    {
        if (pm.pixmapData()->classId() != QPixmapData::BlitterClass)
            return false;

        return checkStateAgainstMask(capabillitiesState, opacityPixmapMask);
    }

canBlitterDrawRectMask()

bool CapabilitiesToStateMask::canBlitterDrawRectMask ( ) const

inline

Definition at line 105 of file qpaintengine_blitter.cpp.

    {
        return checkStateAgainstMask(capabillitiesState, drawRectMask);
    }

canBlitterFillRect()

bool CapabilitiesToStateMask::canBlitterFillRect ( ) const

inline

Definition at line 95 of file qpaintengine_blitter.cpp.

    {
        return checkStateAgainstMask(capabillitiesState, fillRectMask);
    }

checkStateAgainstMask()

static bool CapabilitiesToStateMask::checkStateAgainstMask ( uint  state, uint  mask  )

inlinestaticprivate

Definition at line 147 of file qpaintengine_blitter.cpp.

Referenced by canBlitterAlphaFillRect(), canBlitterDrawPixmap(), canBlitterDrawPixmapOpacity(), canBlitterDrawRectMask(), and canBlitterFillRect().

    {
        return !state || (state & mask && !(state & ~mask));
    }

setAlphaFillRectMask()

void CapabilitiesToStateMask::setAlphaFillRectMask ( )

inlineprivate

Definition at line 170 of file qpaintengine_blitter.cpp.

Referenced by CapabilitiesToStateMask().

                                {
        updateStateBits(&alphaFillRectMask, STATE_XFORM_SCALE, false);
        updateStateBits(&alphaFillRectMask, STATE_XFORM_COMPLEX, false);

        updateStateBits(&alphaFillRectMask, STATE_BRUSH_PATTERN, false);
        updateStateBits(&alphaFillRectMask, STATE_BRUSH_ALPHA, true);

        updateStateBits(&alphaFillRectMask, STATE_PEN_ENABLED, true);

        //Sub-pixel aliasing should not be sent to the blitter
        updateStateBits(&alphaFillRectMask, STATE_ANTIALIASING, true);
        updateStateBits(&alphaFillRectMask, STATE_ALPHA, false);
        updateStateBits(&alphaFillRectMask, STATE_BLENDING_COMPLEX, false);

        updateStateBits(&alphaFillRectMask, STATE_CLIPSYS_COMPLEX, false);
        updateStateBits(&alphaFillRectMask, STATE_CLIP_COMPLEX, false);
    }

setFillRectMask()

void CapabilitiesToStateMask::setFillRectMask ( )

inlineprivate

Definition at line 152 of file qpaintengine_blitter.cpp.

Referenced by CapabilitiesToStateMask().

                           {
        updateStateBits(&fillRectMask, STATE_XFORM_SCALE, false);
        updateStateBits(&fillRectMask, STATE_XFORM_COMPLEX, false);

        updateStateBits(&fillRectMask, STATE_BRUSH_PATTERN, false);
        updateStateBits(&fillRectMask, STATE_BRUSH_ALPHA, false);

        updateStateBits(&fillRectMask, STATE_PEN_ENABLED, true);

        //Sub-pixel aliasing should not be sent to the blitter
        updateStateBits(&fillRectMask, STATE_ANTIALIASING, true);
        updateStateBits(&fillRectMask, STATE_ALPHA, false);
        updateStateBits(&fillRectMask, STATE_BLENDING_COMPLEX, false);

        updateStateBits(&fillRectMask, STATE_CLIPSYS_COMPLEX, false);
        updateStateBits(&fillRectMask, STATE_CLIP_COMPLEX, false);
    }

setOpacityPixmapMask()

void CapabilitiesToStateMask::setOpacityPixmapMask ( )

inlineprivate

Definition at line 214 of file qpaintengine_blitter.cpp.

Referenced by CapabilitiesToStateMask().

                                {
        updateStateBits(&opacityPixmapMask, STATE_XFORM_SCALE, true);
        updateStateBits(&opacityPixmapMask, STATE_XFORM_COMPLEX, false);

        updateStateBits(&opacityPixmapMask, STATE_BRUSH_PATTERN, true);
        updateStateBits(&opacityPixmapMask, STATE_BRUSH_ALPHA, true);

        updateStateBits(&opacityPixmapMask, STATE_PEN_ENABLED, true);

        updateStateBits(&opacityPixmapMask, STATE_ANTIALIASING, true);
        updateStateBits(&opacityPixmapMask, STATE_ALPHA, true);
        updateStateBits(&opacityPixmapMask, STATE_BLENDING_COMPLEX, false);

        updateStateBits(&opacityPixmapMask, STATE_CLIPSYS_COMPLEX, false);
        updateStateBits(&opacityPixmapMask, STATE_CLIP_COMPLEX, false);
    }

setSourceOverPixmapMask()

void CapabilitiesToStateMask::setSourceOverPixmapMask ( )

inlineprivate

Definition at line 205 of file qpaintengine_blitter.cpp.

Referenced by CapabilitiesToStateMask(), and setSourceOverScaledPixmapMask().

                                   {
        setSourcePixmapMask();
    }

setSourceOverScaledPixmapMask()

void CapabilitiesToStateMask::setSourceOverScaledPixmapMask ( )

inlineprivate

Definition at line 209 of file qpaintengine_blitter.cpp.

Referenced by CapabilitiesToStateMask().

                                         {
        setSourceOverPixmapMask();
        updateStateBits(&drawRectMask, STATE_XFORM_SCALE, true);
    }

setSourcePixmapMask()

void CapabilitiesToStateMask::setSourcePixmapMask ( )

inlineprivate

Definition at line 188 of file qpaintengine_blitter.cpp.

Referenced by CapabilitiesToStateMask(), and setSourceOverPixmapMask().

                               {
        updateStateBits(&drawPixmapMask, STATE_XFORM_SCALE, true);
        updateStateBits(&drawPixmapMask, STATE_XFORM_COMPLEX, false);

        updateStateBits(&drawPixmapMask, STATE_BRUSH_PATTERN, true);
        updateStateBits(&drawPixmapMask, STATE_BRUSH_ALPHA, false);

        updateStateBits(&drawPixmapMask, STATE_PEN_ENABLED, true);

        updateStateBits(&drawPixmapMask, STATE_ANTIALIASING, true);
        updateStateBits(&drawPixmapMask, STATE_ALPHA, false);
        updateStateBits(&drawPixmapMask, STATE_BLENDING_COMPLEX, false);

        updateStateBits(&drawPixmapMask, STATE_CLIPSYS_COMPLEX, false);
        updateStateBits(&drawPixmapMask, STATE_CLIP_COMPLEX, false);
    }

updateState()

void CapabilitiesToStateMask::updateState ( uint  mask, bool  on  )

inline

Definition at line 136 of file qpaintengine_blitter.cpp.

                                                {
        updateStateBits(&capabillitiesState, mask, on);
    }

updateStateBits()

static void CapabilitiesToStateMask::updateStateBits ( uint *  state, uint  mask, bool  on  )

inlinestaticprivate

Definition at line 142 of file qpaintengine_blitter.cpp.

Referenced by setAlphaFillRectMask(), setFillRectMask(), setOpacityPixmapMask(), setSourceOverScaledPixmapMask(), setSourcePixmapMask(), and updateState().

    {
        *state = on ? (*state | mask) : (*state & ~mask);
    }

Properties

alphaFillRectMask

uint CapabilitiesToStateMask::alphaFillRectMask

private

Definition at line 235 of file qpaintengine_blitter.cpp.

Referenced by canBlitterAlphaFillRect(), and setAlphaFillRectMask().

capabillitiesState

uint CapabilitiesToStateMask::capabillitiesState

private

Definition at line 237 of file qpaintengine_blitter.cpp.

Referenced by canBlitterAlphaFillRect(), canBlitterDrawPixmap(), canBlitterDrawPixmapOpacity(), canBlitterDrawRectMask(), canBlitterFillRect(), and updateState().

drawPixmapMask

uint CapabilitiesToStateMask::drawPixmapMask

private

Definition at line 234 of file qpaintengine_blitter.cpp.

Referenced by canBlitterDrawPixmap(), and setSourcePixmapMask().

drawRectMask

uint CapabilitiesToStateMask::drawRectMask

private

Definition at line 233 of file qpaintengine_blitter.cpp.

Referenced by canBlitterDrawRectMask(), and setSourceOverScaledPixmapMask().

fillRectMask

uint CapabilitiesToStateMask::fillRectMask

private

Definition at line 232 of file qpaintengine_blitter.cpp.

Referenced by canBlitterFillRect(), and setFillRectMask().

m_capabilities

QBlittable::Capabilities CapabilitiesToStateMask::m_capabilities

private

Definition at line 231 of file qpaintengine_blitter.cpp.

Referenced by canBlitterDrawPixmap().

opacityPixmapMask

uint CapabilitiesToStateMask::opacityPixmapMask

private

Definition at line 236 of file qpaintengine_blitter.cpp.

Referenced by canBlitterDrawPixmapOpacity(), and setOpacityPixmapMask().

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

• /src/gui/painting/qpaintengine_blitter.cpp