Blend_ARGB24_on_RGB16_SourceAndConstAlpha Struct Reference

Public Functions
	Blend_ARGB24_on_RGB16_SourceAndConstAlpha (quint32 alpha)
void	flush (void *)
void	write (quint16 *dst, qargb8565 src)

Public Variables
quint32	m_alpha

Detailed Description

Definition at line 125 of file qblendfunctions.cpp.

Constructors and Destructors

Blend_ARGB24_on_RGB16_SourceAndConstAlpha()

Blend_ARGB24_on_RGB16_SourceAndConstAlpha::Blend_ARGB24_on_RGB16_SourceAndConstAlpha ( quint32  alpha )

inline

Definition at line 126 of file qblendfunctions.cpp.

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

Functions

flush()

void Blend_ARGB24_on_RGB16_SourceAndConstAlpha::flush ( void *  )

inline

Definition at line 141 of file qblendfunctions.cpp.

{}

write()

void Blend_ARGB24_on_RGB16_SourceAndConstAlpha::write ( quint16 *  dst, qargb8565  src  )

inline

Definition at line 130 of file qblendfunctions.cpp.

                                                   {
        src = src.byte_mul(src.alpha(m_alpha));
        const uint alpha = src.alpha();
        if (alpha) {
            quint16 s = src.rawValue16();
            if (alpha < 255)
                s += BYTE_MUL_RGB16(*dst, 255 - alpha);
            *dst = s;
        }
    }

Properties

m_alpha

quint32 Blend_ARGB24_on_RGB16_SourceAndConstAlpha::m_alpha

Definition at line 143 of file qblendfunctions.cpp.

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

• /src/gui/painting/qblendfunctions.cpp