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Added some centering methods to Rectangle.

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jules 2014-02-21 12:51:06 +00:00
parent 7a869d6528
commit 8968df0402
2 changed files with 11 additions and 1 deletions
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10
modules/juce_graphics/geometry/juce_Rectangle.h
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@ -174,6 +174,12 @@ public:
/** Changes the rectangle's height */
inline void setHeight (const ValueType newHeight) noexcept { h = newHeight; }
/** Changes the position of the rectangle's centre (leaving its size unchanged). */
inline void setCentre (const ValueType newCentreX, const ValueType newCentreY) noexcept { pos.x = newCentreX - w / (ValueType) 2; pos.y = newCentreY - h / (ValueType) 2; }
/** Changes the position of the rectangle's centre (leaving its size unchanged). */
inline void setCentre (const Point<ValueType> newCentre) noexcept { setCentre (newCentre.x, newCentre.y); }
/** Returns a rectangle which has the same size and y-position as this one, but with a different x-position. */
Rectangle withX (const ValueType newX) const noexcept { return Rectangle (newX, pos.y, w, h); }
@ -189,6 +195,10 @@ public:
/** Returns a rectangle whose size is the same as this one, but whose top-left position is (0, 0). */
Rectangle withZeroOrigin() const noexcept { return Rectangle (w, h); }
/** Returns a rectangle with the same size as this one, but a new centre position. */
Rectangle withCentre (const Point<ValueType> newCentre) const noexcept { return Rectangle (newCentre.x - w / (ValueType) 2,
newCentre.y - h / (ValueType) 2, w, h); }
/** Returns a rectangle which has the same position and height as this one, but with a different width. */
Rectangle withWidth (ValueType newWidth) const noexcept { return Rectangle (pos.x, pos.y, newWidth, h); }