diff options
Diffstat (limited to 'src/core')
| -rw-r--r-- | src/core/SkPMFloat.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/core/SkPMFloat.h b/src/core/SkPMFloat.h index 444cb78fc8..2e06ea93e6 100644 --- a/src/core/SkPMFloat.h +++ b/src/core/SkPMFloat.h @@ -12,6 +12,12 @@ public: static SkPMFloat FromPMColor(SkPMColor c) { return SkPMFloat(c); } static SkPMFloat FromARGB(float a, float r, float g, float b) { return SkPMFloat(a,r,g,b); } + // May be more efficient than one at a time. No special alignment assumed for SkPMColors. + static void From4PMColors(SkPMFloat floats[4], const SkPMColor colors[4]) { + // TODO: specialize + for (int i = 0; i < 4; i++) { floats[i] = FromPMColor(colors[i]); } + } + explicit SkPMFloat(SkPMColor); SkPMFloat(float a, float r, float g, float b) { // TODO: faster when specialized? @@ -44,6 +50,16 @@ public: SkPMColor get() const; // May SkASSERT(this->isValid()). Some implementations may clamp. SkPMColor clamped() const; // Will clamp all values to [0, 255]. Then may assert isValid(). + // 4-at-a-time versions of get() and clamped(). Like From4PMColors(), no alignment assumed. + static void To4PMColors(SkPMColor colors[4], const SkPMFloat floats[4]) { + // TODO: specialize + for (int i = 0; i < 4; i++) { colors[i] = floats[i].get(); } + } + static void ClampTo4PMColors(SkPMColor colors[4], const SkPMFloat floats[4]) { + // TODO: specialize + for (int i = 0; i < 4; i++) { colors[i] = floats[i].clamped(); } + } + bool isValid() const { return this->a() >= 0 && this->a() <= 255 && this->r() >= 0 && this->r() <= this->a() |