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