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/geometry/rect_conversions.h" 6 7 #include <algorithm> 8 #include <cmath> 9 10 #include "base/logging.h" 11 #include "ui/gfx/geometry/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 83
