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Code cleanup

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This commit is contained in:
Martin Tůma 2024-02-21 18:39:21 +01:00
parent 54e185ed4a
commit ed11bbd730
1 changed files with 6 additions and 10 deletions
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16
src/map/hillshading.cpp
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@ -81,18 +81,14 @@ QImage HillShading::render(const Matrix &m, quint8 alpha, double azimuth,
double L = (c.a1 - c.a2 * d.dzdx - c.a3 * d.dzdy) double L = (c.a1 - c.a2 * d.dzdx - c.a3 * d.dzdy)
/ sqrt(1.0 + d.dzdx * d.dzdx + d.dzdy * d.dzdy); / sqrt(1.0 + d.dzdx * d.dzdx + d.dzdy * d.dzdy);
quint8 a, val; quint32 pixel;
if (std::isnan(L)) { if (std::isnan(L))
a = 0; pixel = 0;
val = 0; else {
} else { quint8 val = (L < 0) ? 0 : L * alpha;
if (L < 0) pixel = alpha<<24 | val<<16 | val<<8 | val;
L = 0;
val = L * alpha;
a = alpha;
} }
quint32 pixel = a<<24 | val<<16 | val<<8 | val;
*(quint32*)(bits + (y - 1) * bpl + (x - 1) * 4) = pixel; *(quint32*)(bits + (y - 1) * bpl + (x - 1) * 4) = pixel;
} }
} }