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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
inline SkPMFloat& SkPMFloat::operator=(const SkPMFloat& that) {
for (int i = 0; i < 4; i++) { fColor[i] = that.fColor[i]; }
return *this;
}
inline SkPMFloat::SkPMFloat(SkPMColor c) {
*this = SkPMFloat::FromARGB(SkGetPackedA32(c),
SkGetPackedR32(c),
SkGetPackedG32(c),
SkGetPackedB32(c));
SkASSERT(this->isValid());
}
inline SkPMColor SkPMFloat::trunc() const {
return SkPackARGB32(this->a(), this->r(), this->g(), this->b());
}
inline SkPMColor SkPMFloat::get() const {
SkASSERT(this->isValid());
return SkPackARGB32(this->a()+0.5f, this->r()+0.5f, this->g()+0.5f, this->b()+0.5f);
}
inline SkPMColor SkPMFloat::clamped() const {
float a = this->a(),
r = this->r(),
g = this->g(),
b = this->b();
a = a < 0 ? 0 : (a > 255 ? 255 : a);
r = r < 0 ? 0 : (r > 255 ? 255 : r);
g = g < 0 ? 0 : (g > 255 ? 255 : g);
b = b < 0 ? 0 : (b > 255 ? 255 : b);
return SkPackARGB32(a+0.5f, r+0.5f, g+0.5f, b+0.5f);
}
inline void SkPMFloat::From4PMColors(const SkPMColor colors[4],
SkPMFloat* a, SkPMFloat* b, SkPMFloat* c, SkPMFloat* d) {
*a = FromPMColor(colors[0]);
*b = FromPMColor(colors[1]);
*c = FromPMColor(colors[2]);
*d = FromPMColor(colors[3]);
}
inline void SkPMFloat::To4PMColors(
const SkPMFloat& a, const SkPMFloat& b, const SkPMFloat&c, const SkPMFloat& d,
SkPMColor colors[4]) {
colors[0] = a.get();
colors[1] = b.get();
colors[2] = c.get();
colors[3] = d.get();
}
inline void SkPMFloat::ClampTo4PMColors(
const SkPMFloat& a, const SkPMFloat& b, const SkPMFloat&c, const SkPMFloat& d,
SkPMColor colors[4]) {
colors[0] = a.clamped();
colors[1] = b.clamped();
colors[2] = c.clamped();
colors[3] = d.clamped();
}
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