| // 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. |
| |
| #ifndef UI_GFX_GEOMETRY_RECT_CONVERSIONS_H_ |
| #define UI_GFX_GEOMETRY_RECT_CONVERSIONS_H_ |
| |
| #include "rect.h" |
| #include "rect_f.h" |
| |
| namespace gfx { |
| |
| // Returns the smallest Rect that encloses the given RectF. |
| GFX_EXPORT Rect ToEnclosingRect(const RectF& rect); |
| |
| // Similar to ToEnclosingRect(), but for each edge, if the distance between the |
| // edge and the nearest integer grid is smaller than |error|, the edge is |
| // snapped to the integer grid. Unlike ToNearestRect() which only accepts |
| // integer rect with or without floating point error, this function also accepts |
| // non-integer rect. |
| GFX_EXPORT Rect ToEnclosingRectIgnoringError(const RectF& rect, float error); |
| |
| // Returns the largest Rect that is enclosed by the given RectF. |
| GFX_EXPORT Rect ToEnclosedRect(const RectF& rect); |
| |
| // Similar to ToEnclosedRect(), but for each edge, if the distance between the |
| // edge and the nearest integer grid is smaller than |error|, the edge is |
| // snapped to the integer grid. Unlike ToNearestRect() which only accepts |
| // integer rect with or without floating point error, this function also accepts |
| // non-integer rect. |
| GFX_EXPORT Rect ToEnclosedRectIgnoringError(const RectF& rect, float error); |
| |
| // Returns the Rect after snapping the corners of the RectF to an integer grid. |
| // This should only be used when the RectF you provide is expected to be an |
| // integer rect with floating point error. If it is an arbitrary RectF, then |
| // you should use a different method. |
| GFX_EXPORT Rect ToNearestRect(const RectF& rect); |
| |
| // Returns true if the Rect produced after snapping the corners of the RectF |
| // to an integer grid is within |distance|. |
| GFX_EXPORT bool IsNearestRectWithinDistance(const gfx::RectF& rect, |
| float distance); |
| |
| // Returns the Rect after rounding the corners of the RectF to an integer grid. |
| GFX_EXPORT gfx::Rect ToRoundedRect(const gfx::RectF& rect); |
| |
| // Returns a Rect obtained by flooring the values of the given RectF. |
| // Please prefer the previous two functions in new code. |
| GFX_EXPORT Rect ToFlooredRectDeprecated(const RectF& rect); |
| |
| } // namespace gfx |
| |
| #endif // UI_GFX_GEOMETRY_RECT_CONVERSIONS_H_ |