83 lines
2.4 KiB
C++
83 lines
2.4 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "ui/gfx/geometry/rect_conversions.h"
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#include <algorithm>
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#include <cmath>
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#include "base/logging.h"
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#include "ui/gfx/geometry/safe_integer_conversions.h"
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namespace gfx {
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Rect ToEnclosingRect(const RectF& r) {
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int left = ToFlooredInt(r.x());
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int right = r.width() ? ToCeiledInt(r.right()) : left;
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int top = ToFlooredInt(r.y());
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int bottom = r.height() ? ToCeiledInt(r.bottom()) : top;
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Rect result;
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result.SetByBounds(left, top, right, bottom);
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return result;
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}
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Rect ToEnclosedRect(const RectF& rect) {
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Rect result;
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result.SetByBounds(ToCeiledInt(rect.x()), ToCeiledInt(rect.y()),
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ToFlooredInt(rect.right()), ToFlooredInt(rect.bottom()));
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return result;
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}
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Rect ToNearestRect(const RectF& rect) {
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float float_min_x = rect.x();
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float float_min_y = rect.y();
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float float_max_x = rect.right();
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float float_max_y = rect.bottom();
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int min_x = ToRoundedInt(float_min_x);
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int min_y = ToRoundedInt(float_min_y);
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int max_x = ToRoundedInt(float_max_x);
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int max_y = ToRoundedInt(float_max_y);
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// If these DCHECKs fail, you're using the wrong method, consider using
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// ToEnclosingRect or ToEnclosedRect instead.
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DCHECK(std::abs(min_x - float_min_x) < 0.01f);
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DCHECK(std::abs(min_y - float_min_y) < 0.01f);
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DCHECK(std::abs(max_x - float_max_x) < 0.01f);
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DCHECK(std::abs(max_y - float_max_y) < 0.01f);
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Rect result;
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result.SetByBounds(min_x, min_y, max_x, max_y);
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return result;
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}
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bool IsNearestRectWithinDistance(const gfx::RectF& rect, float distance) {
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float float_min_x = rect.x();
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float float_min_y = rect.y();
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float float_max_x = rect.right();
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float float_max_y = rect.bottom();
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int min_x = ToRoundedInt(float_min_x);
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int min_y = ToRoundedInt(float_min_y);
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int max_x = ToRoundedInt(float_max_x);
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int max_y = ToRoundedInt(float_max_y);
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return
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(std::abs(min_x - float_min_x) < distance) &&
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(std::abs(min_y - float_min_y) < distance) &&
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(std::abs(max_x - float_max_x) < distance) &&
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(std::abs(max_y - float_max_y) < distance);
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}
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Rect ToFlooredRectDeprecated(const RectF& rect) {
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return Rect(ToFlooredInt(rect.x()),
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ToFlooredInt(rect.y()),
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ToFlooredInt(rect.width()),
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ToFlooredInt(rect.height()));
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}
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} // namespace gfx
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