//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
Color4f::Color4f(const Color4ub& other)
{
m_rgba[0] = static_cast<float>(other.r())/255.0f;
m_rgba[1] = static_cast<float>(other.g())/255.0f;
m_rgba[2] = static_cast<float>(other.b())/255.0f;
m_rgba[3] = static_cast<float>(other.a())/255.0f;
}
//--------------------------------------------------------------------------------------------------
/// Set the color value of a specific pixel
///
/// \warning Pixel position (0,0) is in the lower left corner of the image.
//--------------------------------------------------------------------------------------------------
void TextureImage::setPixel(uint x, uint y, const Color4ub& clr)
{
CVF_TIGHT_ASSERT(x < m_width);
CVF_TIGHT_ASSERT(y < m_height);
const uint idx = 4*(y*m_width + x);
m_dataRgba[idx] = clr.r();
m_dataRgba[idx + 1] = clr.g();
m_dataRgba[idx + 2] = clr.b();
m_dataRgba[idx + 3] = clr.a();
}
//--------------------------------------------------------------------------------------------------
/// Set the color value of a specific pixel
///
/// \warning Pixel position (0,0) is in the lower left corner of the image.
//--------------------------------------------------------------------------------------------------
void TextureImage::setPixel(uint x, uint y, const Color4ub& clr)
{
CVF_TIGHT_ASSERT(x < m_width);
CVF_TIGHT_ASSERT(y < m_height);
ubyte* rgbaThisPixel = &m_dataRgba[4*(y*m_width + x)];
rgbaThisPixel[0] = clr.r();
rgbaThisPixel[1] = clr.g();
rgbaThisPixel[2] = clr.b();
rgbaThisPixel[3] = clr.a();
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void TextureImage::fill(const Color4ub& clr)
{
size_t numBytes = m_dataRgba.size();
size_t i;
for (i = 0; i < numBytes; i += 4)
{
m_dataRgba[i] = clr.r();
m_dataRgba[i + 1] = clr.g();
m_dataRgba[i + 2] = clr.b();
m_dataRgba[i + 3] = clr.a();
}
}
