| // Copyright 2019 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #include "core/fxge/text_glyph_pos.h" |
| |
| #include "core/fxcrt/fx_safe_types.h" |
| #include "core/fxge/cfx_glyphbitmap.h" |
| |
| TextGlyphPos::TextGlyphPos() = default; |
| |
| TextGlyphPos::TextGlyphPos(const TextGlyphPos&) = default; |
| |
| TextGlyphPos::~TextGlyphPos() = default; |
| |
| Optional<CFX_Point> TextGlyphPos::GetOrigin(const CFX_Point& offset) const { |
| FX_SAFE_INT32 left = m_Origin.x; |
| left += m_pGlyph->left(); |
| left -= offset.x; |
| if (!left.IsValid()) |
| return {}; |
| |
| FX_SAFE_INT32 top = m_Origin.y; |
| top -= m_pGlyph->top(); |
| top -= offset.y; |
| if (!top.IsValid()) |
| return {}; |
| |
| return CFX_Point(left.ValueOrDie(), top.ValueOrDie()); |
| } |