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Unified Diff: ui/gfx/rect_base.h

Issue 109433013: Move geometric types to a separate, more lightweight target. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: . Created 7 years ago
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Index: ui/gfx/rect_base.h
diff --git a/ui/gfx/rect_base.h b/ui/gfx/rect_base.h
deleted file mode 100644
index 412836ced1904bed3da6a8ec33cd602fc01feaf1..0000000000000000000000000000000000000000
--- a/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_
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