set_pixel()

void MayaFlux::Nodes::GpuSync::TextureNode::set_pixel ( uint32_t  x, uint32_t  y, float  r, float  g, float  b, float  a = 1.0F  )

protected

Set pixel color at (x, y)

Parameters

x	X coordinate
y	Y coordinate
r	Red channel [0, 1]
g	Green channel [0, 1]
b	Blue channel [0, 1]
a	Alpha channel [0, 1] (default: 1.0)

Definition at line 29 of file TextureNode.cpp.

{
    if (x >= m_width || y >= m_height) {
        return;
    }
 
    size_t idx = (static_cast<size_t>(y) * m_width + x) * 4;
    m_pixel_buffer[idx + 0] = r;
    m_pixel_buffer[idx + 1] = g;
    m_pixel_buffer[idx + 2] = b;
    m_pixel_buffer[idx + 3] = a;
 
    m_pixel_data_dirty = true;
}

References a, b, m_height, m_pixel_buffer, m_pixel_data_dirty, and m_width.

Referenced by fill().

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