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Diffstat (limited to 'chromium/ui/gfx/rect_base.h')
-rw-r--r-- | chromium/ui/gfx/rect_base.h | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/chromium/ui/gfx/rect_base.h b/chromium/ui/gfx/rect_base.h deleted file mode 100644 index 412836ced19..00000000000 --- a/chromium/ui/gfx/rect_base.h +++ /dev/null @@ -1,174 +0,0 @@ -// Copyright (c) 2012 The Chromium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// A template for a simple rectangle class. The containment semantics -// are array-like; that is, the coordinate (x, y) is considered to be -// contained by the rectangle, but the coordinate (x + width, y) is not. -// The class will happily let you create malformed rectangles (that is, -// rectangles with negative width and/or height), but there will be assertions -// in the operations (such as Contains()) to complain in this case. - -#ifndef UI_GFX_RECT_BASE_H_ -#define UI_GFX_RECT_BASE_H_ - -#include <string> - -#include "base/compiler_specific.h" - -namespace gfx { - -template<typename Class, - typename PointClass, - typename SizeClass, - typename InsetsClass, - typename VectorClass, - typename Type> -class GFX_EXPORT RectBase { - public: - Type x() const { return origin_.x(); } - void set_x(Type x) { origin_.set_x(x); } - - Type y() const { return origin_.y(); } - void set_y(Type y) { origin_.set_y(y); } - - Type width() const { return size_.width(); } - void set_width(Type width) { size_.set_width(width); } - - Type height() const { return size_.height(); } - void set_height(Type height) { size_.set_height(height); } - - const PointClass& origin() const { return origin_; } - void set_origin(const PointClass& origin) { origin_ = origin; } - - const SizeClass& size() const { return size_; } - void set_size(const SizeClass& size) { size_ = size; } - - Type right() const { return x() + width(); } - Type bottom() const { return y() + height(); } - - PointClass top_right() const { return PointClass(right(), y()); } - PointClass bottom_left() const { return PointClass(x(), bottom()); } - PointClass bottom_right() const { return PointClass(right(), bottom()); } - - VectorClass OffsetFromOrigin() const { - return VectorClass(x(), y()); - } - - void SetRect(Type x, Type y, Type width, Type height); - - // Shrink the rectangle by a horizontal and vertical distance on all sides. - void Inset(Type horizontal, Type vertical) { - Inset(horizontal, vertical, horizontal, vertical); - } - - // Shrink the rectangle by the given insets. - void Inset(const InsetsClass& insets); - - // Shrink the rectangle by the specified amount on each side. - void Inset(Type left, Type top, Type right, Type bottom); - - // Move the rectangle by a horizontal and vertical distance. - void Offset(Type horizontal, Type vertical); - void Offset(const VectorClass& distance) { - Offset(distance.x(), distance.y()); - } - void operator+=(const VectorClass& offset); - void operator-=(const VectorClass& offset); - - InsetsClass InsetsFrom(const Class& inner) const { - return InsetsClass(inner.y() - y(), - inner.x() - x(), - bottom() - inner.bottom(), - right() - inner.right()); - } - - // Returns true if the area of the rectangle is zero. - bool IsEmpty() const { return size_.IsEmpty(); } - - // A rect is less than another rect if its origin is less than - // the other rect's origin. If the origins are equal, then the - // shortest rect is less than the other. If the origin and the - // height are equal, then the narrowest rect is less than. - // This comparison is required to use Rects in sets, or sorted - // vectors. - bool operator<(const Class& other) const; - - // Returns true if the point identified by point_x and point_y falls inside - // this rectangle. The point (x, y) is inside the rectangle, but the - // point (x + width, y + height) is not. - bool Contains(Type point_x, Type point_y) const; - - // Returns true if the specified point is contained by this rectangle. - bool Contains(const PointClass& point) const { - return Contains(point.x(), point.y()); - } - - // Returns true if this rectangle contains the specified rectangle. - bool Contains(const Class& rect) const; - - // Returns true if this rectangle intersects the specified rectangle. - // An empty rectangle doesn't intersect any rectangle. - bool Intersects(const Class& rect) const; - - // Computes the intersection of this rectangle with the given rectangle. - void Intersect(const Class& rect); - - // Computes the union of this rectangle with the given rectangle. The union - // is the smallest rectangle containing both rectangles. - void Union(const Class& rect); - - // Computes the rectangle resulting from subtracting |rect| from |*this|, - // i.e. the bounding rect of |Region(*this) - Region(rect)|. - void Subtract(const Class& rect); - - // Fits as much of the receiving rectangle into the supplied rectangle as - // possible, becoming the result. For example, if the receiver had - // a x-location of 2 and a width of 4, and the supplied rectangle had - // an x-location of 0 with a width of 5, the returned rectangle would have - // an x-location of 1 with a width of 4. - void AdjustToFit(const Class& rect); - - // Returns the center of this rectangle. - PointClass CenterPoint() const; - - // Becomes a rectangle that has the same center point but with a size capped - // at given |size|. - void ClampToCenteredSize(const SizeClass& size); - - // Splits |this| in two halves, |left_half| and |right_half|. - void SplitVertically(Class* left_half, Class* right_half) const; - - // Returns true if this rectangle shares an entire edge (i.e., same width or - // same height) with the given rectangle, and the rectangles do not overlap. - bool SharesEdgeWith(const Class& rect) const; - - // Returns the manhattan distance from the rect to the point. If the point is - // inside the rect, returns 0. - Type ManhattanDistanceToPoint(const PointClass& point) const; - - // Returns the manhattan distance between the contents of this rect and the - // contents of the given rect. That is, if the intersection of the two rects - // is non-empty then the function returns 0. If the rects share a side, it - // returns the smallest non-zero value appropriate for Type. - Type ManhattanInternalDistance(const Class& rect) const; - - protected: - RectBase(const PointClass& origin, const SizeClass& size) - : origin_(origin), size_(size) {} - explicit RectBase(const SizeClass& size) - : size_(size) {} - explicit RectBase(const PointClass& origin) - : origin_(origin) {} - // Destructor is intentionally made non virtual and protected. - // Do not make this public. - ~RectBase() {} - - private: - PointClass origin_; - SizeClass size_; -}; - -} // namespace gfx - -#endif // UI_GFX_RECT_BASE_H_ |