hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
// Copyright 2015 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/range/range_f.h"
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#include <stddef.h>
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#include <algorithm>
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#include <cmath>
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#include "base/format_macros.h"
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#include "base/strings/stringprintf.h"
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namespace gfx {
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RangeF RangeF::Intersect(const RangeF& range) const {
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float min = std::max(GetMin(), range.GetMin());
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float max = std::min(GetMax(), range.GetMax());
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if (min >= max) // No intersection.
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return InvalidRange();
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return RangeF(min, max);
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}
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RangeF RangeF::Intersect(const Range& range) const {
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RangeF range_f(range.start(), range.end());
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return Intersect(range_f);
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}
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Range RangeF::Floor() const {
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uint32_t start = start_ > 0 ? static_cast<uint32_t>(std::floor(start_)) : 0;
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uint32_t end = end_ > 0 ? static_cast<uint32_t>(std::floor(end_)) : 0;
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return Range(start, end);
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}
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Range RangeF::Ceil() const {
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uint32_t start = start_ > 0 ? static_cast<uint32_t>(std::ceil(start_)) : 0;
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uint32_t end = end_ > 0 ? static_cast<uint32_t>(std::ceil(end_)) : 0;
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return Range(start, end);
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}
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Range RangeF::Round() const {
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uint32_t start = start_ > 0 ? static_cast<uint32_t>(std::round(start_)) : 0;
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uint32_t end = end_ > 0 ? static_cast<uint32_t>(std::round(end_)) : 0;
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return Range(start, end);
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}
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std::string RangeF::ToString() const {
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return base::StringPrintf("{%f,%f}", start(), end());
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}
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std::ostream& operator<<(std::ostream& os, const RangeF& range) {
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return os << range.ToString();
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}
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} // namespace gfx
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