762 lines
25 KiB
C++
762 lines
25 KiB
C++
// Copyright 2016 The PDFium Authors
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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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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "core/fpdfdoc/cpvt_section.h"
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#include <algorithm>
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#include "core/fpdfdoc/cpvt_variabletext.h"
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#include "core/fpdfdoc/cpvt_wordinfo.h"
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#include "core/fxcrt/stl_util.h"
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#include "third_party/base/check.h"
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#include "third_party/base/cxx17_backports.h"
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namespace {
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constexpr uint8_t kSpecialChars[128] = {
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0x00, 0x0C, 0x08, 0x0C, 0x08, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x08, 0x00,
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0x10, 0x00, 0x00, 0x28, 0x0C, 0x08, 0x00, 0x00, 0x28, 0x28, 0x28, 0x28,
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0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x08, 0x08,
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0x00, 0x00, 0x00, 0x08, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x0C, 0x00, 0x08, 0x00, 0x00,
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0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x0C, 0x00, 0x08, 0x00, 0x00,
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};
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bool IsLatin(uint16_t word) {
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if (word <= 0x007F)
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return !!(kSpecialChars[word] & 0x01);
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return ((word >= 0x00C0 && word <= 0x00FF) ||
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(word >= 0x0100 && word <= 0x024F) ||
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(word >= 0x1E00 && word <= 0x1EFF) ||
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(word >= 0x2C60 && word <= 0x2C7F) ||
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(word >= 0xA720 && word <= 0xA7FF) ||
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(word >= 0xFF21 && word <= 0xFF3A) ||
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(word >= 0xFF41 && word <= 0xFF5A));
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}
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bool IsDigit(uint32_t word) {
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return word >= 0x0030 && word <= 0x0039;
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}
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bool IsCJK(uint32_t word) {
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if ((word >= 0x1100 && word <= 0x11FF) ||
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(word >= 0x2E80 && word <= 0x2FFF) ||
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(word >= 0x3040 && word <= 0x9FBF) ||
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(word >= 0xAC00 && word <= 0xD7AF) ||
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(word >= 0xF900 && word <= 0xFAFF) ||
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(word >= 0xFE30 && word <= 0xFE4F) ||
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(word >= 0x20000 && word <= 0x2A6DF) ||
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(word >= 0x2F800 && word <= 0x2FA1F)) {
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return true;
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}
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if (word >= 0x3000 && word <= 0x303F) {
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return (
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word == 0x3005 || word == 0x3006 || word == 0x3021 || word == 0x3022 ||
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word == 0x3023 || word == 0x3024 || word == 0x3025 || word == 0x3026 ||
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word == 0x3027 || word == 0x3028 || word == 0x3029 || word == 0x3031 ||
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word == 0x3032 || word == 0x3033 || word == 0x3034 || word == 0x3035);
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}
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return word >= 0xFF66 && word <= 0xFF9D;
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}
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bool IsPunctuation(uint32_t word) {
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if (word <= 0x007F)
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return !!(kSpecialChars[word] & 0x08);
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if (word >= 0x0080 && word <= 0x00FF) {
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return (word == 0x0082 || word == 0x0084 || word == 0x0085 ||
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word == 0x0091 || word == 0x0092 || word == 0x0093 ||
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word <= 0x0094 || word == 0x0096 || word == 0x00B4 ||
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word == 0x00B8);
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}
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if (word >= 0x2000 && word <= 0x206F) {
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return (
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word == 0x2010 || word == 0x2011 || word == 0x2012 || word == 0x2013 ||
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word == 0x2018 || word == 0x2019 || word == 0x201A || word == 0x201B ||
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word == 0x201C || word == 0x201D || word == 0x201E || word == 0x201F ||
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word == 0x2032 || word == 0x2033 || word == 0x2034 || word == 0x2035 ||
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word == 0x2036 || word == 0x2037 || word == 0x203C || word == 0x203D ||
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word == 0x203E || word == 0x2044);
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}
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if (word >= 0x3000 && word <= 0x303F) {
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return (
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word == 0x3001 || word == 0x3002 || word == 0x3003 || word == 0x3005 ||
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word == 0x3009 || word == 0x300A || word == 0x300B || word == 0x300C ||
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word == 0x300D || word == 0x300F || word == 0x300E || word == 0x3010 ||
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word == 0x3011 || word == 0x3014 || word == 0x3015 || word == 0x3016 ||
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word == 0x3017 || word == 0x3018 || word == 0x3019 || word == 0x301A ||
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word == 0x301B || word == 0x301D || word == 0x301E || word == 0x301F);
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}
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if (word >= 0xFE50 && word <= 0xFE6F)
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return (word >= 0xFE50 && word <= 0xFE5E) || word == 0xFE63;
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if (word >= 0xFF00 && word <= 0xFFEF) {
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return (
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word == 0xFF01 || word == 0xFF02 || word == 0xFF07 || word == 0xFF08 ||
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word == 0xFF09 || word == 0xFF0C || word == 0xFF0E || word == 0xFF0F ||
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word == 0xFF1A || word == 0xFF1B || word == 0xFF1F || word == 0xFF3B ||
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word == 0xFF3D || word == 0xFF40 || word == 0xFF5B || word == 0xFF5C ||
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word == 0xFF5D || word == 0xFF61 || word == 0xFF62 || word == 0xFF63 ||
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word == 0xFF64 || word == 0xFF65 || word == 0xFF9E || word == 0xFF9F);
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}
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return false;
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}
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bool IsConnectiveSymbol(uint32_t word) {
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return word <= 0x007F && (kSpecialChars[word] & 0x20);
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}
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bool IsOpenStylePunctuation(uint32_t word) {
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if (word <= 0x007F)
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return !!(kSpecialChars[word] & 0x04);
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return (word == 0x300A || word == 0x300C || word == 0x300E ||
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word == 0x3010 || word == 0x3014 || word == 0x3016 ||
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word == 0x3018 || word == 0x301A || word == 0xFF08 ||
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word == 0xFF3B || word == 0xFF5B || word == 0xFF62);
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}
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bool IsCurrencySymbol(uint16_t word) {
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return (word == 0x0024 || word == 0x0080 || word == 0x00A2 ||
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word == 0x00A3 || word == 0x00A4 || word == 0x00A5 ||
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(word >= 0x20A0 && word <= 0x20CF) || word == 0xFE69 ||
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word == 0xFF04 || word == 0xFFE0 || word == 0xFFE1 ||
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word == 0xFFE5 || word == 0xFFE6);
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}
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bool IsPrefixSymbol(uint16_t word) {
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return IsCurrencySymbol(word) || word == 0x2116;
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}
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bool IsSpace(uint16_t word) {
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return word == 0x0020 || word == 0x3000;
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}
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bool NeedDivision(uint16_t prevWord, uint16_t curWord) {
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if ((IsLatin(prevWord) || IsDigit(prevWord)) &&
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(IsLatin(curWord) || IsDigit(curWord))) {
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return false;
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}
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if (IsSpace(curWord) || IsPunctuation(curWord)) {
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return false;
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}
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if (IsConnectiveSymbol(prevWord) || IsConnectiveSymbol(curWord)) {
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return false;
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}
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if (IsSpace(prevWord) || IsPunctuation(prevWord)) {
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return true;
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}
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if (IsPrefixSymbol(prevWord)) {
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return false;
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}
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if (IsPrefixSymbol(curWord) || IsCJK(curWord)) {
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return true;
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}
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if (IsCJK(prevWord)) {
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return true;
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}
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return false;
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}
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} // namespace
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CPVT_Section::Line::Line(const CPVT_LineInfo& lineinfo)
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: m_LineInfo(lineinfo) {}
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CPVT_Section::Line::~Line() = default;
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CPVT_WordPlace CPVT_Section::Line::GetBeginWordPlace() const {
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return CPVT_WordPlace(m_LinePlace.nSecIndex, m_LinePlace.nLineIndex, -1);
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}
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CPVT_WordPlace CPVT_Section::Line::GetEndWordPlace() const {
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return CPVT_WordPlace(m_LinePlace.nSecIndex, m_LinePlace.nLineIndex,
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m_LineInfo.nEndWordIndex);
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}
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CPVT_WordPlace CPVT_Section::Line::GetPrevWordPlace(
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const CPVT_WordPlace& place) const {
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if (place.nWordIndex > m_LineInfo.nEndWordIndex) {
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return CPVT_WordPlace(place.nSecIndex, place.nLineIndex,
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m_LineInfo.nEndWordIndex);
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}
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return CPVT_WordPlace(place.nSecIndex, place.nLineIndex,
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place.nWordIndex - 1);
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}
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CPVT_WordPlace CPVT_Section::Line::GetNextWordPlace(
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const CPVT_WordPlace& place) const {
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if (place.nWordIndex < m_LineInfo.nBeginWordIndex) {
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return CPVT_WordPlace(place.nSecIndex, place.nLineIndex,
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m_LineInfo.nBeginWordIndex);
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}
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return CPVT_WordPlace(place.nSecIndex, place.nLineIndex,
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place.nWordIndex + 1);
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}
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CPVT_Section::CPVT_Section(CPVT_VariableText* pVT) : m_pVT(pVT) {
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DCHECK(m_pVT);
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}
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CPVT_Section::~CPVT_Section() = default;
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void CPVT_Section::ResetLinePlace() {
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int32_t i = 0;
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for (auto& pLine : m_LineArray) {
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pLine->m_LinePlace = CPVT_WordPlace(m_SecPlace.nSecIndex, i, -1);
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++i;
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}
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}
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CPVT_WordPlace CPVT_Section::AddWord(const CPVT_WordPlace& place,
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const CPVT_WordInfo& wordinfo) {
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int32_t nWordIndex = pdfium::clamp(
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place.nWordIndex, 0, fxcrt::CollectionSize<int32_t>(m_WordArray));
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m_WordArray.insert(m_WordArray.begin() + nWordIndex,
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std::make_unique<CPVT_WordInfo>(wordinfo));
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return place;
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}
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CPVT_WordPlace CPVT_Section::AddLine(const CPVT_LineInfo& lineinfo) {
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m_LineArray.push_back(std::make_unique<Line>(lineinfo));
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return CPVT_WordPlace(m_SecPlace.nSecIndex,
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fxcrt::CollectionSize<int32_t>(m_LineArray) - 1, -1);
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}
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CPVT_FloatRect CPVT_Section::Rearrange() {
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if (m_pVT->GetCharArray() > 0)
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return RearrangeCharArray();
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return RearrangeTypeset();
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}
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CFX_SizeF CPVT_Section::GetSectionSize(float fFontSize) {
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CPVT_FloatRect result = SplitLines(/*bTypeset=*/false, fFontSize);
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return CFX_SizeF(result.Width(), result.Height());
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}
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CPVT_WordPlace CPVT_Section::GetBeginWordPlace() const {
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if (m_LineArray.empty())
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return m_SecPlace;
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return m_LineArray.front()->GetBeginWordPlace();
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}
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CPVT_WordPlace CPVT_Section::GetEndWordPlace() const {
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if (m_LineArray.empty())
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return m_SecPlace;
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return m_LineArray.back()->GetEndWordPlace();
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}
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CPVT_WordPlace CPVT_Section::GetPrevWordPlace(
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const CPVT_WordPlace& place) const {
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if (place.nLineIndex < 0)
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return GetBeginWordPlace();
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if (place.nLineIndex >= fxcrt::CollectionSize<int32_t>(m_LineArray))
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return GetEndWordPlace();
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Line* pLine = m_LineArray[place.nLineIndex].get();
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if (place.nWordIndex == pLine->m_LineInfo.nBeginWordIndex)
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return CPVT_WordPlace(place.nSecIndex, place.nLineIndex, -1);
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if (place.nWordIndex >= pLine->m_LineInfo.nBeginWordIndex)
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return pLine->GetPrevWordPlace(place);
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if (!fxcrt::IndexInBounds(m_LineArray, place.nLineIndex - 1))
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return place;
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return m_LineArray[place.nLineIndex - 1]->GetEndWordPlace();
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}
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CPVT_WordPlace CPVT_Section::GetNextWordPlace(
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const CPVT_WordPlace& place) const {
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if (place.nLineIndex < 0)
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return GetBeginWordPlace();
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if (place.nLineIndex >= fxcrt::CollectionSize<int32_t>(m_LineArray))
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return GetEndWordPlace();
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Line* pLine = m_LineArray[place.nLineIndex].get();
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if (place.nWordIndex < pLine->m_LineInfo.nEndWordIndex)
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return pLine->GetNextWordPlace(place);
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if (!fxcrt::IndexInBounds(m_LineArray, place.nLineIndex + 1))
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return place;
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return m_LineArray[place.nLineIndex + 1]->GetBeginWordPlace();
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}
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void CPVT_Section::UpdateWordPlace(CPVT_WordPlace& place) const {
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int32_t nLeft = 0;
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int32_t nRight = fxcrt::CollectionSize<int32_t>(m_LineArray) - 1;
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int32_t nMid = (nLeft + nRight) / 2;
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while (nLeft <= nRight) {
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Line* pLine = m_LineArray[nMid].get();
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if (place.nWordIndex < pLine->m_LineInfo.nBeginWordIndex) {
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nRight = nMid - 1;
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nMid = (nLeft + nRight) / 2;
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} else if (place.nWordIndex > pLine->m_LineInfo.nEndWordIndex) {
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nLeft = nMid + 1;
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nMid = (nLeft + nRight) / 2;
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} else {
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place.nLineIndex = nMid;
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return;
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}
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}
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}
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CPVT_WordPlace CPVT_Section::SearchWordPlace(const CFX_PointF& point) const {
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CPVT_WordPlace place = GetBeginWordPlace();
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bool bUp = true;
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bool bDown = true;
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int32_t nLeft = 0;
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int32_t nRight = fxcrt::CollectionSize<int32_t>(m_LineArray) - 1;
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int32_t nMid = fxcrt::CollectionSize<int32_t>(m_LineArray) / 2;
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while (nLeft <= nRight) {
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Line* pLine = m_LineArray[nMid].get();
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float fTop = pLine->m_LineInfo.fLineY - pLine->m_LineInfo.fLineAscent -
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m_pVT->GetLineLeading();
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float fBottom = pLine->m_LineInfo.fLineY - pLine->m_LineInfo.fLineDescent;
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if (FXSYS_IsFloatBigger(point.y, fTop))
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bUp = false;
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if (FXSYS_IsFloatSmaller(point.y, fBottom))
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bDown = false;
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if (FXSYS_IsFloatSmaller(point.y, fTop)) {
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nRight = nMid - 1;
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nMid = (nLeft + nRight) / 2;
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continue;
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}
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if (FXSYS_IsFloatBigger(point.y, fBottom)) {
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nLeft = nMid + 1;
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nMid = (nLeft + nRight) / 2;
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continue;
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}
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place = SearchWordPlace(
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point.x,
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CPVT_WordRange(pLine->GetNextWordPlace(pLine->GetBeginWordPlace()),
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pLine->GetEndWordPlace()));
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place.nLineIndex = nMid;
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return place;
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}
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if (bUp)
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place = GetBeginWordPlace();
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if (bDown)
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place = GetEndWordPlace();
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return place;
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}
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CPVT_WordPlace CPVT_Section::SearchWordPlace(
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float fx,
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const CPVT_WordPlace& lineplace) const {
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if (!fxcrt::IndexInBounds(m_LineArray, lineplace.nLineIndex))
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return GetBeginWordPlace();
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Line* pLine = m_LineArray[lineplace.nLineIndex].get();
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return SearchWordPlace(
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fx - m_Rect.left,
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CPVT_WordRange(pLine->GetNextWordPlace(pLine->GetBeginWordPlace()),
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pLine->GetEndWordPlace()));
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}
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CPVT_WordPlace CPVT_Section::SearchWordPlace(
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float fx,
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const CPVT_WordRange& range) const {
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CPVT_WordPlace wordplace = range.BeginPos;
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wordplace.nWordIndex = -1;
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int32_t nLeft = range.BeginPos.nWordIndex;
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int32_t nRight = range.EndPos.nWordIndex + 1;
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int32_t nMid = (nLeft + nRight) / 2;
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while (nLeft < nRight) {
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if (nMid == nLeft)
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break;
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if (nMid == nRight) {
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nMid--;
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break;
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}
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if (!fxcrt::IndexInBounds(m_WordArray, nMid))
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break;
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CPVT_WordInfo* pWord = m_WordArray[nMid].get();
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if (fx > pWord->fWordX + m_pVT->GetWordWidth(*pWord) * 0.5f) {
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nLeft = nMid;
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nMid = (nLeft + nRight) / 2;
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continue;
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}
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nRight = nMid;
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nMid = (nLeft + nRight) / 2;
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}
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if (fxcrt::IndexInBounds(m_WordArray, nMid)) {
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CPVT_WordInfo* pWord = m_WordArray[nMid].get();
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if (fx > pWord->fWordX + m_pVT->GetWordWidth(*pWord) * 0.5f)
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wordplace.nWordIndex = nMid;
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}
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return wordplace;
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}
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int32_t CPVT_Section::GetLineArraySize() const {
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return fxcrt::CollectionSize<int32_t>(m_LineArray);
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}
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const CPVT_Section::Line* CPVT_Section::GetLineFromArray(int32_t index) const {
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if (!fxcrt::IndexInBounds(m_LineArray, index))
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return nullptr;
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return m_LineArray[index].get();
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}
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int32_t CPVT_Section::GetWordArraySize() const {
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return fxcrt::CollectionSize<int32_t>(m_WordArray);
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}
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const CPVT_WordInfo* CPVT_Section::GetWordFromArray(int32_t index) const {
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if (!fxcrt::IndexInBounds(m_WordArray, index))
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return nullptr;
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|
|
|
return m_WordArray[index].get();
|
|
}
|
|
|
|
void CPVT_Section::EraseWordsFrom(int32_t index) {
|
|
if (!fxcrt::IndexInBounds(m_WordArray, index))
|
|
return;
|
|
|
|
m_WordArray.erase(m_WordArray.begin() + index, m_WordArray.end());
|
|
}
|
|
|
|
CPVT_FloatRect CPVT_Section::RearrangeCharArray() const {
|
|
if (m_LineArray.empty())
|
|
return CPVT_FloatRect();
|
|
|
|
float fNodeWidth = m_pVT->GetPlateWidth() /
|
|
(m_pVT->GetCharArray() <= 0 ? 1 : m_pVT->GetCharArray());
|
|
float fLineAscent =
|
|
m_pVT->GetFontAscent(m_pVT->GetDefaultFontIndex(), m_pVT->GetFontSize());
|
|
float fLineDescent =
|
|
m_pVT->GetFontDescent(m_pVT->GetDefaultFontIndex(), m_pVT->GetFontSize());
|
|
float x = 0.0f;
|
|
float y = m_pVT->GetLineLeading() + fLineAscent;
|
|
int32_t nStart = 0;
|
|
CPVT_Section::Line* pLine = m_LineArray.front().get();
|
|
switch (m_pVT->GetAlignment()) {
|
|
case 0:
|
|
pLine->m_LineInfo.fLineX = fNodeWidth * 0.5f;
|
|
break;
|
|
case 1:
|
|
nStart = (m_pVT->GetCharArray() -
|
|
fxcrt::CollectionSize<int32_t>(m_WordArray)) /
|
|
2;
|
|
pLine->m_LineInfo.fLineX = fNodeWidth * nStart - fNodeWidth * 0.5f;
|
|
break;
|
|
case 2:
|
|
nStart =
|
|
m_pVT->GetCharArray() - fxcrt::CollectionSize<int32_t>(m_WordArray);
|
|
pLine->m_LineInfo.fLineX = fNodeWidth * nStart - fNodeWidth * 0.5f;
|
|
break;
|
|
}
|
|
for (int32_t w = 0, sz = fxcrt::CollectionSize<int32_t>(m_WordArray); w < sz;
|
|
w++) {
|
|
if (w >= m_pVT->GetCharArray())
|
|
break;
|
|
|
|
float fNextWidth = 0;
|
|
if (fxcrt::IndexInBounds(m_WordArray, w + 1)) {
|
|
CPVT_WordInfo* pNextWord = m_WordArray[w + 1].get();
|
|
pNextWord->fWordTail = 0;
|
|
fNextWidth = m_pVT->GetWordWidth(*pNextWord);
|
|
}
|
|
CPVT_WordInfo* pWord = m_WordArray[w].get();
|
|
pWord->fWordTail = 0;
|
|
float fWordWidth = m_pVT->GetWordWidth(*pWord);
|
|
float fWordAscent = m_pVT->GetWordAscent(*pWord);
|
|
float fWordDescent = m_pVT->GetWordDescent(*pWord);
|
|
x = (float)(fNodeWidth * (w + nStart + 0.5) - fWordWidth * 0.5f);
|
|
pWord->fWordX = x;
|
|
pWord->fWordY = y;
|
|
if (w == 0) {
|
|
pLine->m_LineInfo.fLineX = x;
|
|
}
|
|
if (w != fxcrt::CollectionSize<int32_t>(m_WordArray) - 1) {
|
|
pWord->fWordTail = (fNodeWidth - (fWordWidth + fNextWidth) * 0.5f > 0
|
|
? fNodeWidth - (fWordWidth + fNextWidth) * 0.5f
|
|
: 0);
|
|
} else {
|
|
pWord->fWordTail = 0;
|
|
}
|
|
x += fWordWidth;
|
|
fLineAscent = std::max(fLineAscent, fWordAscent);
|
|
fLineDescent = std::min(fLineDescent, fWordDescent);
|
|
}
|
|
pLine->m_LineInfo.nBeginWordIndex = 0;
|
|
pLine->m_LineInfo.nEndWordIndex =
|
|
fxcrt::CollectionSize<int32_t>(m_WordArray) - 1;
|
|
pLine->m_LineInfo.fLineY = y;
|
|
pLine->m_LineInfo.fLineWidth = x - pLine->m_LineInfo.fLineX;
|
|
pLine->m_LineInfo.fLineAscent = fLineAscent;
|
|
pLine->m_LineInfo.fLineDescent = fLineDescent;
|
|
return CPVT_FloatRect(0, 0, x, y - fLineDescent);
|
|
}
|
|
|
|
CPVT_FloatRect CPVT_Section::RearrangeTypeset() {
|
|
m_LineArray.clear();
|
|
return OutputLines(SplitLines(/*bTypeset=*/true, /*fFontSize=*/0.0f));
|
|
}
|
|
|
|
CPVT_FloatRect CPVT_Section::SplitLines(bool bTypeset, float fFontSize) {
|
|
CPVT_LineInfo line;
|
|
if (m_WordArray.empty()) {
|
|
float fLineAscent;
|
|
float fLineDescent;
|
|
if (bTypeset) {
|
|
fLineAscent = m_pVT->GetLineAscent();
|
|
fLineDescent = m_pVT->GetLineDescent();
|
|
line.nBeginWordIndex = -1;
|
|
line.nEndWordIndex = -1;
|
|
line.nTotalWord = 0;
|
|
line.fLineWidth = 0;
|
|
line.fLineAscent = fLineAscent;
|
|
line.fLineDescent = fLineDescent;
|
|
AddLine(line);
|
|
} else {
|
|
fLineAscent =
|
|
m_pVT->GetFontAscent(m_pVT->GetDefaultFontIndex(), fFontSize);
|
|
fLineDescent =
|
|
m_pVT->GetFontDescent(m_pVT->GetDefaultFontIndex(), fFontSize);
|
|
}
|
|
float fMaxY = m_pVT->GetLineLeading() + fLineAscent - fLineDescent;
|
|
return CPVT_FloatRect(0, 0, 0, fMaxY);
|
|
}
|
|
|
|
int32_t nLineHead = 0;
|
|
int32_t nLineTail = 0;
|
|
float fMaxX = 0.0f;
|
|
float fMaxY = 0.0f;
|
|
float fLineWidth = 0.0f;
|
|
float fBackupLineWidth = 0.0f;
|
|
float fLineAscent = 0.0f;
|
|
float fBackupLineAscent = 0.0f;
|
|
float fLineDescent = 0.0f;
|
|
float fBackupLineDescent = 0.0f;
|
|
int32_t nWordStartPos = 0;
|
|
bool bFullWord = false;
|
|
int32_t nLineFullWordIndex = 0;
|
|
int32_t nCharIndex = 0;
|
|
float fWordWidth = 0;
|
|
float fTypesetWidth =
|
|
std::max(m_pVT->GetPlateWidth() - m_pVT->GetLineIndent(), 0.0f);
|
|
int32_t nTotalWords = fxcrt::CollectionSize<int32_t>(m_WordArray);
|
|
bool bOpened = false;
|
|
int32_t i = 0;
|
|
while (i < nTotalWords) {
|
|
CPVT_WordInfo* pWord = m_WordArray[i].get();
|
|
CPVT_WordInfo* pOldWord = pWord;
|
|
if (i > 0) {
|
|
pOldWord = m_WordArray[i - 1].get();
|
|
}
|
|
if (pWord) {
|
|
if (bTypeset) {
|
|
fLineAscent = std::max(fLineAscent, m_pVT->GetWordAscent(*pWord));
|
|
fLineDescent = std::min(fLineDescent, m_pVT->GetWordDescent(*pWord));
|
|
fWordWidth = m_pVT->GetWordWidth(*pWord);
|
|
} else {
|
|
fLineAscent =
|
|
std::max(fLineAscent, m_pVT->GetWordAscent(*pWord, fFontSize));
|
|
fLineDescent =
|
|
std::min(fLineDescent, m_pVT->GetWordDescent(*pWord, fFontSize));
|
|
fWordWidth = m_pVT->GetWordWidth(pWord->nFontIndex, pWord->Word,
|
|
m_pVT->GetSubWord(), fFontSize,
|
|
pWord->fWordTail);
|
|
}
|
|
if (!bOpened) {
|
|
if (IsOpenStylePunctuation(pWord->Word)) {
|
|
bOpened = true;
|
|
bFullWord = true;
|
|
} else if (pOldWord) {
|
|
if (NeedDivision(pOldWord->Word, pWord->Word)) {
|
|
bFullWord = true;
|
|
}
|
|
}
|
|
} else {
|
|
if (!IsSpace(pWord->Word) && !IsOpenStylePunctuation(pWord->Word)) {
|
|
bOpened = false;
|
|
}
|
|
}
|
|
if (bFullWord) {
|
|
bFullWord = false;
|
|
if (nCharIndex > 0) {
|
|
nLineFullWordIndex++;
|
|
}
|
|
nWordStartPos = i;
|
|
fBackupLineWidth = fLineWidth;
|
|
fBackupLineAscent = fLineAscent;
|
|
fBackupLineDescent = fLineDescent;
|
|
}
|
|
nCharIndex++;
|
|
}
|
|
if (m_pVT->IsAutoReturn() && fTypesetWidth > 0 &&
|
|
fLineWidth + fWordWidth > fTypesetWidth) {
|
|
if (nLineFullWordIndex > 0) {
|
|
i = nWordStartPos;
|
|
fLineWidth = fBackupLineWidth;
|
|
fLineAscent = fBackupLineAscent;
|
|
fLineDescent = fBackupLineDescent;
|
|
}
|
|
if (nCharIndex == 1) {
|
|
fLineWidth = fWordWidth;
|
|
i++;
|
|
}
|
|
nLineTail = i - 1;
|
|
if (bTypeset) {
|
|
line.nBeginWordIndex = nLineHead;
|
|
line.nEndWordIndex = nLineTail;
|
|
line.nTotalWord = nLineTail - nLineHead + 1;
|
|
line.fLineWidth = fLineWidth;
|
|
line.fLineAscent = fLineAscent;
|
|
line.fLineDescent = fLineDescent;
|
|
AddLine(line);
|
|
}
|
|
fMaxY += (fLineAscent + m_pVT->GetLineLeading());
|
|
fMaxY -= fLineDescent;
|
|
fMaxX = std::max(fLineWidth, fMaxX);
|
|
nLineHead = i;
|
|
fLineWidth = 0.0f;
|
|
fLineAscent = 0.0f;
|
|
fLineDescent = 0.0f;
|
|
nCharIndex = 0;
|
|
nLineFullWordIndex = 0;
|
|
bFullWord = false;
|
|
} else {
|
|
fLineWidth += fWordWidth;
|
|
i++;
|
|
}
|
|
}
|
|
if (nLineHead <= nTotalWords - 1) {
|
|
nLineTail = nTotalWords - 1;
|
|
if (bTypeset) {
|
|
line.nBeginWordIndex = nLineHead;
|
|
line.nEndWordIndex = nLineTail;
|
|
line.nTotalWord = nLineTail - nLineHead + 1;
|
|
line.fLineWidth = fLineWidth;
|
|
line.fLineAscent = fLineAscent;
|
|
line.fLineDescent = fLineDescent;
|
|
AddLine(line);
|
|
}
|
|
fMaxY += (fLineAscent + m_pVT->GetLineLeading());
|
|
fMaxY -= fLineDescent;
|
|
fMaxX = std::max(fLineWidth, fMaxX);
|
|
}
|
|
return CPVT_FloatRect(0, 0, fMaxX, fMaxY);
|
|
}
|
|
|
|
CPVT_FloatRect CPVT_Section::OutputLines(const CPVT_FloatRect& rect) const {
|
|
float fMinX;
|
|
float fLineIndent = m_pVT->GetLineIndent();
|
|
float fTypesetWidth = std::max(m_pVT->GetPlateWidth() - fLineIndent, 0.0f);
|
|
switch (m_pVT->GetAlignment()) {
|
|
default:
|
|
case 0:
|
|
fMinX = 0.0f;
|
|
break;
|
|
case 1:
|
|
fMinX = (fTypesetWidth - rect.Width()) * 0.5f;
|
|
break;
|
|
case 2:
|
|
fMinX = fTypesetWidth - rect.Width();
|
|
break;
|
|
}
|
|
float fMaxX = fMinX + rect.Width();
|
|
float fMinY = 0.0f;
|
|
float fMaxY = rect.Height();
|
|
int32_t nTotalLines = fxcrt::CollectionSize<int32_t>(m_LineArray);
|
|
if (nTotalLines > 0) {
|
|
float fPosX = 0.0f;
|
|
float fPosY = 0.0f;
|
|
for (int32_t l = 0; l < nTotalLines; l++) {
|
|
CPVT_Section::Line* pLine = m_LineArray[l].get();
|
|
switch (m_pVT->GetAlignment()) {
|
|
default:
|
|
case 0:
|
|
fPosX = 0;
|
|
break;
|
|
case 1:
|
|
fPosX = (fTypesetWidth - pLine->m_LineInfo.fLineWidth) * 0.5f;
|
|
break;
|
|
case 2:
|
|
fPosX = fTypesetWidth - pLine->m_LineInfo.fLineWidth;
|
|
break;
|
|
}
|
|
fPosX += fLineIndent;
|
|
fPosY += m_pVT->GetLineLeading();
|
|
fPosY += pLine->m_LineInfo.fLineAscent;
|
|
pLine->m_LineInfo.fLineX = fPosX - fMinX;
|
|
pLine->m_LineInfo.fLineY = fPosY - fMinY;
|
|
for (int32_t w = pLine->m_LineInfo.nBeginWordIndex;
|
|
w <= pLine->m_LineInfo.nEndWordIndex; w++) {
|
|
if (fxcrt::IndexInBounds(m_WordArray, w)) {
|
|
CPVT_WordInfo* pWord = m_WordArray[w].get();
|
|
pWord->fWordX = fPosX - fMinX;
|
|
pWord->fWordY = fPosY - fMinY;
|
|
|
|
fPosX += m_pVT->GetWordWidth(*pWord);
|
|
}
|
|
}
|
|
fPosY -= pLine->m_LineInfo.fLineDescent;
|
|
}
|
|
}
|
|
return CPVT_FloatRect(fMinX, fMinY, fMaxX, fMaxY);
|
|
}
|
|
|
|
void CPVT_Section::ClearLeftWords(int32_t nWordIndex) {
|
|
for (int32_t i = nWordIndex; i >= 0; i--) {
|
|
if (fxcrt::IndexInBounds(m_WordArray, i))
|
|
m_WordArray.erase(m_WordArray.begin() + i);
|
|
}
|
|
}
|
|
|
|
void CPVT_Section::ClearRightWords(int32_t nWordIndex) {
|
|
int32_t sz = fxcrt::CollectionSize<int32_t>(m_WordArray);
|
|
for (int32_t i = sz - 1; i > nWordIndex; i--) {
|
|
if (fxcrt::IndexInBounds(m_WordArray, i))
|
|
m_WordArray.erase(m_WordArray.begin() + i);
|
|
}
|
|
}
|
|
|
|
void CPVT_Section::ClearMidWords(int32_t nBeginIndex, int32_t nEndIndex) {
|
|
for (int32_t i = nEndIndex; i > nBeginIndex; i--) {
|
|
if (fxcrt::IndexInBounds(m_WordArray, i))
|
|
m_WordArray.erase(m_WordArray.begin() + i);
|
|
}
|
|
}
|
|
|
|
void CPVT_Section::ClearWords(const CPVT_WordRange& PlaceRange) {
|
|
CPVT_WordPlace SecBeginPos = GetBeginWordPlace();
|
|
CPVT_WordPlace SecEndPos = GetEndWordPlace();
|
|
if (PlaceRange.BeginPos >= SecBeginPos) {
|
|
if (PlaceRange.EndPos <= SecEndPos) {
|
|
ClearMidWords(PlaceRange.BeginPos.nWordIndex,
|
|
PlaceRange.EndPos.nWordIndex);
|
|
} else {
|
|
ClearRightWords(PlaceRange.BeginPos.nWordIndex);
|
|
}
|
|
} else if (PlaceRange.EndPos <= SecEndPos) {
|
|
ClearLeftWords(PlaceRange.EndPos.nWordIndex);
|
|
} else {
|
|
m_WordArray.clear();
|
|
}
|
|
}
|
|
|
|
void CPVT_Section::ClearWord(const CPVT_WordPlace& place) {
|
|
if (fxcrt::IndexInBounds(m_WordArray, place.nWordIndex))
|
|
m_WordArray.erase(m_WordArray.begin() + place.nWordIndex);
|
|
}
|