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Add a Rect.largest constructor equivalent to SkRect::MakeLargest (flutter/engine#4520)

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Jason Simmons 2018-01-05 13:37:23 -08:00 committed by GitHub
parent 18d27b3e67
commit fadef9db2f
1 changed files with 10 additions and 0 deletions
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10
engine/src/flutter/lib/ui/geometry.dart
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@ -596,6 +596,16 @@ class Rect {
..[3] = math.max(a.dy, b.dy);
}
/// Construct the largest finite rectangle.
Rect.largest() {
const double skScalarMax = 3.402823466e+38; // from Skia's SkScalar.h
_value
..[0] = -skScalarMax
..[1] = -skScalarMax
..[2] = skScalarMax
..[3] = skScalarMax;
}
static const int _kDataSize = 4;
final Float32List _value = new Float32List(_kDataSize);