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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/core/layout/ng/geometry/ng_physical_offset_rect.h"
#include "third_party/blink/renderer/core/layout/ng/geometry/ng_box_strut.h"
#include "third_party/blink/renderer/core/style/computed_style.h"
#include "third_party/blink/renderer/platform/geometry/layout_rect.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
bool NGPhysicalOffsetRect::operator==(const NGPhysicalOffsetRect& other) const {
return other.offset == offset && other.size == size;
}
bool NGPhysicalOffsetRect::Contains(const NGPhysicalOffsetRect& other) const {
return offset.left <= other.offset.left && offset.top <= other.offset.top &&
Right() >= other.Right() && Bottom() >= other.Bottom();
}
NGPhysicalOffsetRect NGPhysicalOffsetRect::operator+(
const NGPhysicalOffset& offset) const {
return {this->offset + offset, size};
}
void NGPhysicalOffsetRect::Unite(const NGPhysicalOffsetRect& other) {
if (other.IsEmpty())
return;
if (IsEmpty()) {
*this = other;
return;
}
UniteEvenIfEmpty(other);
}
void NGPhysicalOffsetRect::UniteIfNonZero(const NGPhysicalOffsetRect& other) {
if (other.size.IsZero())
return;
if (size.IsZero()) {
*this = other;
return;
}
UniteEvenIfEmpty(other);
}
void NGPhysicalOffsetRect::UniteEvenIfEmpty(const NGPhysicalOffsetRect& other) {
LayoutUnit left = std::min(offset.left, other.offset.left);
LayoutUnit top = std::min(offset.top, other.offset.top);
LayoutUnit right = std::max(Right(), other.Right());
LayoutUnit bottom = std::max(Bottom(), other.Bottom());
offset = {left, top};
size = {right - left, bottom - top};
}
void NGPhysicalOffsetRect::Expand(const NGPhysicalBoxStrut& strut) {
if (strut.top) {
offset.top -= strut.top;
size.height += strut.top;
}
if (strut.bottom) {
size.height += strut.bottom;
}
if (strut.left) {
offset.left -= strut.left;
size.width += strut.left;
}
if (strut.right) {
size.width += strut.right;
}
}
void NGPhysicalOffsetRect::ExpandEdgesToPixelBoundaries() {
int left = FloorToInt(offset.left);
int top = FloorToInt(offset.top);
int max_right = (offset.left + size.width).Ceil();
int max_bottom = (offset.top + size.height).Ceil();
offset.left = LayoutUnit(left);
offset.top = LayoutUnit(top);
size.width = LayoutUnit(max_right - left);
size.height = LayoutUnit(max_bottom - top);
}
NGPhysicalOffsetRect::NGPhysicalOffsetRect(const LayoutRect& source)
: NGPhysicalOffsetRect({source.X(), source.Y()},
{source.Width(), source.Height()}) {}
LayoutRect NGPhysicalOffsetRect::ToLayoutRect() const {
return {offset.left, offset.top, size.width, size.height};
}
LayoutRect NGPhysicalOffsetRect::ToLayoutFlippedRect(
const ComputedStyle& style,
const NGPhysicalSize& container_size) const {
if (!style.IsFlippedBlocksWritingMode())
return {offset.left, offset.top, size.width, size.height};
return {container_size.width - offset.left - size.width, offset.top,
size.width, size.height};
}
FloatRect NGPhysicalOffsetRect::ToFloatRect() const {
return {offset.left, offset.top, size.width, size.height};
}
String NGPhysicalOffsetRect::ToString() const {
return String::Format("%s,%s %sx%s", offset.left.ToString().Ascii().data(),
offset.top.ToString().Ascii().data(),
size.width.ToString().Ascii().data(),
size.height.ToString().Ascii().data());
}
std::ostream& operator<<(std::ostream& os, const NGPhysicalOffsetRect& value) {
return os << value.ToString();
}
} // namespace blink
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