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Image: Convert structs to lambdas in implementation

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This commit is contained in:
reuk 2024-12-10 20:02:03 +00:00
parent dcca72484f
commit f05031a898
1 changed files with 3 additions and 30 deletions
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33
modules/juce_graphics/images/juce_Image.cpp
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@ -550,15 +550,8 @@ struct PixelIterator
static void iterate (const Image::BitmapData& data, const PixelOperation& pixelOp)
{
for (int y = 0; y < data.height; ++y)
{
auto p = data.getLinePointer (y);
for (int x = 0; x < data.width; ++x)
{
pixelOp (*reinterpret_cast<PixelType*> (p));
p += data.pixelStride;
}
}
pixelOp (*reinterpret_cast<PixelType*> (data.getPixelPointer (x, y)));
}
};
@ -575,40 +568,20 @@ static void performPixelOp (const Image::BitmapData& data, const PixelOperation&
}
}
struct AlphaMultiplyOp
{
float alpha;
template <class PixelType>
void operator() (PixelType& pixel) const
{
pixel.multiplyAlpha (alpha);
}
};
void Image::multiplyAllAlphas (float amountToMultiplyBy)
{
jassert (hasAlphaChannel());
const BitmapData destData (*this, 0, 0, getWidth(), getHeight(), BitmapData::readWrite);
performPixelOp (destData, AlphaMultiplyOp { amountToMultiplyBy });
performPixelOp (destData, [&] (auto& p) { p.multiplyAlpha (amountToMultiplyBy); });
}
struct DesaturateOp
{
template <class PixelType>
void operator() (PixelType& pixel) const
{
pixel.desaturate();
}
};
void Image::desaturate()
{
if (isARGB() || isRGB())
{
const BitmapData destData (*this, 0, 0, getWidth(), getHeight(), BitmapData::readWrite);
performPixelOp (destData, DesaturateOp());
performPixelOp (destData, [] (auto& p) { p.desaturate(); });
}
}