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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <algorithm>
#include "base/strings/stringprintf.h"
#include "ui/gfx/geometry/point_conversions.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/rect_f.h"
#include "ui/gfx/selection_bound.h"
namespace gfx {
SelectionBound::SelectionBound() : type_(EMPTY), visible_(false) {}
SelectionBound::SelectionBound(const SelectionBound& other) = default;
SelectionBound::~SelectionBound() {}
void SelectionBound::SetEdgeStart(const gfx::PointF& value) {
edge_start_ = value;
edge_start_rounded_ = gfx::ToRoundedPoint(value);
}
void SelectionBound::SetVisibleEdgeStart(const gfx::PointF& value) {
visible_edge_start_ = value;
}
void SelectionBound::SetEdgeEnd(const gfx::PointF& value) {
edge_end_ = value;
edge_end_rounded_ = gfx::ToRoundedPoint(value);
}
void SelectionBound::SetVisibleEdgeEnd(const gfx::PointF& value) {
visible_edge_end_ = value;
}
void SelectionBound::SetEdge(const gfx::PointF& start, const gfx::PointF& end) {
SetEdgeStart(start);
SetEdgeEnd(end);
}
void SelectionBound::SetVisibleEdge(const gfx::PointF& start,
const gfx::PointF& end) {
SetVisibleEdgeStart(start);
SetVisibleEdgeEnd(end);
}
int SelectionBound::GetHeight() const {
return edge_end_rounded_.y() - edge_start_rounded_.y();
}
std::string SelectionBound::ToString() const {
return base::StringPrintf(
"SelectionBound(%s, %s, %s, %s, %d)", edge_start_.ToString().c_str(),
edge_end_.ToString().c_str(), edge_start_rounded_.ToString().c_str(),
edge_end_rounded_.ToString().c_str(), visible_);
}
bool operator==(const SelectionBound& lhs, const SelectionBound& rhs) {
return lhs.type() == rhs.type() && lhs.visible() == rhs.visible() &&
lhs.edge_start() == rhs.edge_start() &&
lhs.edge_end() == rhs.edge_end() &&
lhs.visible_edge_start() == rhs.visible_edge_start() &&
lhs.visible_edge_end() == rhs.visible_edge_end();
}
gfx::Rect RectBetweenSelectionBounds(const SelectionBound& b1,
const SelectionBound& b2) {
gfx::Point top_left(b1.edge_start_rounded());
top_left.SetToMin(b1.edge_end_rounded());
top_left.SetToMin(b2.edge_start_rounded());
top_left.SetToMin(b2.edge_end_rounded());
gfx::Point bottom_right(b1.edge_start_rounded());
bottom_right.SetToMax(b1.edge_end_rounded());
bottom_right.SetToMax(b2.edge_start_rounded());
bottom_right.SetToMax(b2.edge_end_rounded());
gfx::Vector2d diff = bottom_right - top_left;
return gfx::Rect(top_left, gfx::Size(diff.x(), diff.y()));
}
gfx::RectF RectFBetweenSelectionBounds(const SelectionBound& b1,
const SelectionBound& b2) {
gfx::PointF top_left(b1.edge_start());
top_left.SetToMin(b1.edge_end());
top_left.SetToMin(b2.edge_start());
top_left.SetToMin(b2.edge_end());
gfx::PointF bottom_right(b1.edge_start());
bottom_right.SetToMax(b1.edge_end());
bottom_right.SetToMax(b2.edge_start());
bottom_right.SetToMax(b2.edge_end());
gfx::Vector2dF diff = bottom_right - top_left;
return gfx::RectF(top_left, gfx::SizeF(diff.x(), diff.y()));
}
gfx::RectF RectFBetweenVisibleSelectionBounds(const SelectionBound& b1,
const SelectionBound& b2) {
// The selection bound is determined by the |start| and |end| points. For the
// writing-mode is vertical-*, the bounds are horizontal, the |end| might
// be on the left side of the |start|.
gfx::PointF top_left(b1.visible_edge_start());
top_left.SetToMin(b1.visible_edge_end());
top_left.SetToMin(b2.visible_edge_start());
top_left.SetToMin(b2.visible_edge_end());
gfx::PointF bottom_right(b1.visible_edge_start());
bottom_right.SetToMax(b1.visible_edge_end());
bottom_right.SetToMax(b2.visible_edge_start());
bottom_right.SetToMax(b2.visible_edge_end());
gfx::Vector2dF diff = bottom_right - top_left;
return gfx::RectF(top_left, gfx::SizeF(diff.x(), diff.y()));
}
} // namespace gfx
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