Blend_ARGB32_on_ARGB32_SourceAndConstAlpha Struct Reference

Public Functions
	Blend_ARGB32_on_ARGB32_SourceAndConstAlpha (quint32 alpha)
void	flush (void *)
void	write (quint32 *dst, quint32 src)

Public Variables
quint32	m_alpha
quint32	m_ialpha

Detailed Description

Definition at line 596 of file qblendfunctions.cpp.

Constructors and Destructors

Blend_ARGB32_on_ARGB32_SourceAndConstAlpha()

Blend_ARGB32_on_ARGB32_SourceAndConstAlpha::Blend_ARGB32_on_ARGB32_SourceAndConstAlpha ( quint32  alpha )

inline

Definition at line 597 of file qblendfunctions.cpp.

                                                                     {
        m_alpha = (alpha * 255) >> 8;
        m_ialpha = 255 - m_alpha;
    }

Functions

flush()

void Blend_ARGB32_on_ARGB32_SourceAndConstAlpha::flush ( void *  )

inline

Definition at line 607 of file qblendfunctions.cpp.

{}

write()

void Blend_ARGB32_on_ARGB32_SourceAndConstAlpha::write ( quint32 *  dst, quint32  src  )

inline

Definition at line 602 of file qblendfunctions.cpp.

                                                 {
        src = BYTE_MUL(src, m_alpha);
        *dst = src + BYTE_MUL(*dst, qAlpha(~src));
    }

Properties

m_alpha

quint32 Blend_ARGB32_on_ARGB32_SourceAndConstAlpha::m_alpha

Definition at line 609 of file qblendfunctions.cpp.

m_ialpha

quint32 Blend_ARGB32_on_ARGB32_SourceAndConstAlpha::m_ialpha

Definition at line 610 of file qblendfunctions.cpp.

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

• /src/gui/painting/qblendfunctions.cpp