| // Copyright 2025 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "pdf/pdf_rect.h" |
| |
| #include <algorithm> |
| #include <utility> |
| |
| #include "ui/gfx/geometry/rect_f.h" |
| |
| namespace chrome_pdf { |
| |
| gfx::RectF PdfRect::AsGfxRectF() const { |
| return {/*x=*/left(), /*y=*/bottom(), /*width=*/width(), /*height=*/height()}; |
| } |
| |
| void PdfRect::Offset(float horizontal, float vertical) { |
| left_ += horizontal; |
| top_ += vertical; |
| right_ += horizontal; |
| bottom_ += vertical; |
| } |
| |
| void PdfRect::Normalize() { |
| if (top_ < bottom_) { |
| std::swap(top_, bottom_); |
| } |
| if (right_ < left_) { |
| std::swap(right_, left_); |
| } |
| } |
| |
| void PdfRect::Scale(float scale_factor) { |
| left_ *= scale_factor; |
| top_ *= scale_factor; |
| right_ *= scale_factor; |
| bottom_ *= scale_factor; |
| } |
| |
| void PdfRect::Intersect(const PdfRect& rect) { |
| if (IsEmpty() || rect.IsEmpty()) { |
| *this = PdfRect(); |
| return; |
| } |
| |
| float max_left = std::max(left_, rect.left()); |
| float min_top = std::min(top_, rect.top()); |
| float min_right = std::min(right_, rect.right()); |
| float max_bottom = std::max(bottom_, rect.bottom()); |
| if (max_left >= min_right || max_bottom >= min_top) { |
| *this = PdfRect(); |
| return; |
| } |
| |
| left_ = max_left; |
| top_ = min_top; |
| right_ = min_right; |
| bottom_ = max_bottom; |
| } |
| |
| void PdfRect::Union(const PdfRect& rect) { |
| if (rect.IsEmpty()) { |
| return; |
| } |
| |
| if (IsEmpty()) { |
| *this = rect; |
| return; |
| } |
| |
| left_ = std::min(left_, rect.left()); |
| top_ = std::max(top_, rect.top()); |
| right_ = std::max(right_, rect.right()); |
| bottom_ = std::min(bottom_, rect.bottom()); |
| } |
| |
| } // namespace chrome_pdf |