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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "ui/gfx/rect_conversions.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 #include <cmath> | |
| 9 | |
| 10 #include "base/logging.h" | |
| 11 #include "ui/gfx/safe_integer_conversions.h" | |
| 12 | |
| 13 namespace gfx { | |
| 14 | |
| 15 Rect ToEnclosingRect(const RectF& rect) { | |
| 16 int min_x = ToFlooredInt(rect.x()); | |
| 17 int min_y = ToFlooredInt(rect.y()); | |
| 18 float max_x = rect.right(); | |
| 19 float max_y = rect.bottom(); | |
| 20 int width = rect.width() == 0 ? 0 : std::max(ToCeiledInt(max_x) - min_x, 0); | |
| 21 int height = rect.height() == 0 ? 0 : std::max(ToCeiledInt(max_y) - min_y, 0); | |
| 22 return Rect(min_x, min_y, width, height); | |
| 23 } | |
| 24 | |
| 25 Rect ToEnclosedRect(const RectF& rect) { | |
| 26 int min_x = ToCeiledInt(rect.x()); | |
| 27 int min_y = ToCeiledInt(rect.y()); | |
| 28 float max_x = rect.right(); | |
| 29 float max_y = rect.bottom(); | |
| 30 int width = std::max(ToFlooredInt(max_x) - min_x, 0); | |
| 31 int height = std::max(ToFlooredInt(max_y) - min_y, 0); | |
| 32 return Rect(min_x, min_y, width, height); | |
| 33 } | |
| 34 | |
| 35 Rect ToNearestRect(const RectF& rect) { | |
| 36 float float_min_x = rect.x(); | |
| 37 float float_min_y = rect.y(); | |
| 38 float float_max_x = rect.right(); | |
| 39 float float_max_y = rect.bottom(); | |
| 40 | |
| 41 int min_x = ToRoundedInt(float_min_x); | |
| 42 int min_y = ToRoundedInt(float_min_y); | |
| 43 int max_x = ToRoundedInt(float_max_x); | |
| 44 int max_y = ToRoundedInt(float_max_y); | |
| 45 | |
| 46 // If these DCHECKs fail, you're using the wrong method, consider using | |
| 47 // ToEnclosingRect or ToEnclosedRect instead. | |
| 48 DCHECK(std::abs(min_x - float_min_x) < 0.01f); | |
| 49 DCHECK(std::abs(min_y - float_min_y) < 0.01f); | |
| 50 DCHECK(std::abs(max_x - float_max_x) < 0.01f); | |
| 51 DCHECK(std::abs(max_y - float_max_y) < 0.01f); | |
| 52 | |
| 53 return Rect(min_x, min_y, max_x - min_x, max_y - min_y); | |
| 54 } | |
| 55 | |
| 56 bool IsNearestRectWithinDistance(const gfx::RectF& rect, float distance) { | |
| 57 float float_min_x = rect.x(); | |
| 58 float float_min_y = rect.y(); | |
| 59 float float_max_x = rect.right(); | |
| 60 float float_max_y = rect.bottom(); | |
| 61 | |
| 62 int min_x = ToRoundedInt(float_min_x); | |
| 63 int min_y = ToRoundedInt(float_min_y); | |
| 64 int max_x = ToRoundedInt(float_max_x); | |
| 65 int max_y = ToRoundedInt(float_max_y); | |
| 66 | |
| 67 return | |
| 68 (std::abs(min_x - float_min_x) < distance) && | |
| 69 (std::abs(min_y - float_min_y) < distance) && | |
| 70 (std::abs(max_x - float_max_x) < distance) && | |
| 71 (std::abs(max_y - float_max_y) < distance); | |
| 72 } | |
| 73 | |
| 74 Rect ToFlooredRectDeprecated(const RectF& rect) { | |
| 75 return Rect(ToFlooredInt(rect.x()), | |
| 76 ToFlooredInt(rect.y()), | |
| 77 ToFlooredInt(rect.width()), | |
| 78 ToFlooredInt(rect.height())); | |
| 79 } | |
| 80 | |
| 81 } // namespace gfx | |
| 82 | |
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