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DocumentServer-v-9.2.0/sdkjs/word/Editor/Paragraph/draw/content-draw-state.js
Yajbir Singh f1b860b25c
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updated
2025-12-11 19:03:17 +05:30

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/*
* (c) Copyright Ascensio System SIA 2010-2024
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
* street, Riga, Latvia, EU, LV-1050.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
"use strict";
(function(window)
{
/**
* Class for storing the current draw state of paragraph content (text, images)
* @param {AscWord.ParagraphDrawState} drawState - reference to the main state
* @constructor
*/
function ParagraphContentDrawState(drawState)
{
this.drawState = drawState;
this.Paragraph = undefined;
this.Graphics = undefined;
this.BgColor = undefined;
this.Theme = undefined;
this.ColorMap = undefined;
this.CurPos = new AscWord.CParagraphContentPos();
this.VisitedHyperlink = false;
this.Hyperlink = false;
this.Page = 0;
this.Line = 0;
this.Range = 0;
this.X = 0;
this.Y = 0;
this.LineTop = 0;
this.LineBottom = 0;
this.BaseLine = 0;
this.complexFields = new AscWord.ParagraphComplexFieldStack();
this.run = null;
this.yOffset = 0;
this.textPr = null;
this.reviewColor = null;
this.themeColor = null;
this.autoColor = null;
this.calcY = 0; // calculated vertical position taking into account sub/super script
// for Math
this.mathTextInfo = null;
this.paraMath = null;
this.bidiFlow = new AscWord.BidiFlow(this);
}
ParagraphContentDrawState.prototype.init = function()
{
this.Paragraph = this.drawState.getParagraph();
this.Graphics = this.drawState.getGraphics();
this.BgColor = this.drawState.getBgColor();
this.Theme = this.drawState.getTheme();
this.ColorMap = this.drawState.getColorMap();
this.VisitedHyperlink = false;
this.Hyperlink = false;
this.CurPos = new AscWord.CParagraphContentPos();
};
ParagraphContentDrawState.prototype.resetPage = function(page)
{
this.Page = page;
this.complexFields.resetPage(this.Paragraph, page);
};
ParagraphContentDrawState.prototype.resetLine = function(line, baseLine, lineTop, lineBottom)
{
this.Line = line;
this.LineTop = lineTop;
this.LineBottom = lineBottom;
this.BaseLine = baseLine;
this.Y = baseLine;
};
ParagraphContentDrawState.prototype.beginRange = function(range, x)
{
this.run = null;
this.Range = range;
this.X = x;
let isRtl = this.Paragraph.isRtlDirection();
if (this.Paragraph.Numbering.checkRange(this.Range, this.Line) && !isRtl)
this.handleNumbering();
this.bidiFlow.begin(this.Paragraph.isRtlDirection());
};
ParagraphContentDrawState.prototype.endRange = function()
{
this.bidiFlow.end();
let isRtl = this.Paragraph.isRtlDirection();
if (this.Paragraph.Numbering.checkRange(this.Range, this.Line) && isRtl)
this.handleNumbering();
};
/**
* @param element {AscWord.CRunElementBase}
* @param run {AscWord.CRun}
*/
ParagraphContentDrawState.prototype.handleRunElement = function(element, run)
{
if (!this.complexFields.checkRunElement(element))
return;
this.bidiFlow.add([element, run], element.getBidiType());
};
ParagraphContentDrawState.prototype.handleBidiFlow = function(data, direction)
{
let element = data[0];
this.handleRun(data[1]);
switch (element.Type)
{
case para_Text:
this.handleText(element, direction);
break;
case para_Drawing:
this.handleDrawing(element);
break;
case para_End:
this.handleParagraphMark(element);
break;
case para_Math_Ampersand:
case para_Math_Text:
case para_Math_BreakOperator:
case para_Math_Placeholder:
this.handleMathElement(element);
break;
case para_FieldChar:
this.handleFieldChar(element);
break;
default:
this.handleRegularElement(element, direction);
break;
}
};
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Private area
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/**
* @param run {AscWord.CRun}
*/
ParagraphContentDrawState.prototype.handleRun = function(run)
{
if (this.run === run)
return;
this.run = run;
this.yOffset = run.getYOffset();
let textPr = run.getCompiledPr();
if (run.IsMathRun())
{
this.mathTextInfo = new CMathInfoTextPr({
TextPr : textPr,
ArgSize : run.Parent.Compiled_ArgSz.value,
bNormalText : run.IsNormalText(),
bEqArray : run.bEqArray
});
this.paraMath = run.ParaMath;
}
else
{
this.mathTextInfo = null;
this.paraMath = null;
}
this.reviewColor = null;
this.themeColor = null;
this.autoColor = null;
if (reviewtype_Common !== run.GetReviewType())
{
this.reviewColor = run.GetReviewColor();
}
else if (this.VisitedHyperlink)
{
AscFormat.G_O_VISITED_HLINK_COLOR.check(this.Theme, this.ColorMap);
let RGBA = AscFormat.G_O_VISITED_HLINK_COLOR.getRGBAColor();
this.themeColor = new CDocumentColor(RGBA.R, RGBA.G, RGBA.B, false);
}
else if (textPr.Unifill)
{
let RGBA = null;
if (this.isSlideEditor() && this.Hyperlink)
{
AscFormat.G_O_HLINK_COLOR.check(this.Theme, this.ColorMap);
RGBA = AscFormat.G_O_HLINK_COLOR.getRGBAColor();
}
else if (!this.isTextArtDraw())
{
textPr.Unifill.check(this.Theme, this.ColorMap);
RGBA = textPr.Unifill.getRGBAColor();
}
if (RGBA)
this.themeColor = new CDocumentColor(RGBA.R, RGBA.G, RGBA.B, false);
}
if (textPr.FontRef && textPr.FontRef.Color)
{
textPr.FontRef.Color.check(this.Theme, this.ColorMap);
let RGBA = textPr.FontRef.Color.RGBA;
this.autoColor = new CDocumentColor(RGBA.R, RGBA.G, RGBA.B, false);
}
else
{
let bgColor = this.BgColor;
if (textPr.Shd && !textPr.Shd.IsNil())
bgColor = textPr.Shd.GetSimpleColor(this.Theme, this.ColorMap);
this.autoColor = (bgColor && !bgColor.Check_BlackAutoColor() ? new CDocumentColor(255, 255, 255, false) : new CDocumentColor(0, 0, 0, false));
}
this.updateGraphicsState(textPr, run.IsUseAscFont(textPr));
this.calcY = this.calculateY(textPr);
};
/**
* @param textPr {AscWord.CTextPr}
* @param [useAscFont=false] {boolean}
*/
ParagraphContentDrawState.prototype.updateGraphicsState = function(textPr, useAscFont)
{
if (textPr)
{
this.textPr = textPr;
if (useAscFont)
{
textPr = textPr.Copy();
textPr.RFonts.SetAll("ASCW3", -1);
}
this.Graphics.SetTextPr(textPr, this.Theme);
}
let color = this.getTextColor();
if (color)
{
this.Graphics.b_color1(color.r, color.g, color.b, 255);
this.Graphics.p_color(color.r, color.g, color.b, 255);
}
};
ParagraphContentDrawState.prototype.getTextColor = function()
{
if (this.reviewColor)
return this.reviewColor;
if (this.themeColor)
return this.themeColor;
if (this.isTextArtDraw())
{
if (this.textPr.Color.IsAuto() && !this.textPr.TextFill)
return this.autoColor;
return null;
}
if (this.textPr.Color.IsAuto())
return this.autoColor;
return this.textPr.Color;
};
/**
* @param text {AscWord.CRunText}
* @param direction {AscBidi.DIRECTION}
*/
ParagraphContentDrawState.prototype.handleText = function(text, direction)
{
if (AscBidi.DIRECTION.R === direction && AscBidi.isPairedBracket(text.GetCodePoint()))
text.Draw(this.X, this.calcY - this.yOffset, this.Graphics, this, this.textPr, AscBidi.getPairedBracketGrapheme(text.Grapheme));
else
text.Draw(this.X, this.calcY - this.yOffset, this.Graphics, this, this.textPr);
this.X += text.GetWidthVisible();
};
/**
* @param drawing {ParaDrawing}
*/
ParagraphContentDrawState.prototype.handleDrawing = function(drawing)
{
if (!drawing.IsInline())
return;
drawing.Draw(this.X, this.calcY - this.yOffset, this.Graphics, this, this.textPr);
this.X += drawing.GetWidthVisible();
// Внутри отрисовки инлайн-автофигур могут изменится цвета и шрифт, поэтому восстанавливаем настройки
this.updateGraphicsState();
};
/**
* @param element {AscWord.CRunElementBase}
*/
ParagraphContentDrawState.prototype.handleRegularElement = function(element)
{
element.Draw(this.X, this.calcY - this.yOffset, this.Graphics, this, this.textPr);
this.X += element.GetWidthVisible();
if (element.IsTab())
this.updateGraphicsState();
};
/**
* @param paraMark {AscWord.CRunParagraphMark}
*/
ParagraphContentDrawState.prototype.handleParagraphMark = function(paraMark)
{
if (this.Paragraph.IsInFixedForm())
return;
let sectPr = this.Paragraph.Get_SectionPr();
let logicDocument = this.Paragraph.GetLogicDocument();
if (!logicDocument)
{
this.X += paraMark.GetWidthVisible();
return;
}
if (logicDocument !== this.Paragraph.GetParent())
sectPr = undefined;
let editor = logicDocument.GetApi();
if ((!editor || !editor.ShowParaMarks) && (sectPr || !this.reviewColor))
{
this.X += paraMark.GetWidthVisible();
return;
}
let y = this.Y;
if (!sectPr)
{
let endTextPr = true !== this.Graphics.m_bIsTextDrawer ? this.Paragraph.GetParaEndCompiledPr() : this.textPr;
this.updateGraphicsState(endTextPr);
y = this.calculateY(endTextPr);
}
paraMark.Draw(this.X, y - this.yOffset, this.Graphics);
this.X += paraMark.GetWidthVisible();
};
/**
* @param element {CMathText | CMathAmp}
*/
ParagraphContentDrawState.prototype.handleMathElement = function(element)
{
if (para_Math_Placeholder === element.Type && this.Graphics.isPdf())
return;
let linePos = this.paraMath.GetLinePosition(this.Line, this.Range);
element.Draw(linePos.x, linePos.y, this.Graphics, this.mathTextInfo);
this.X += element.GetWidthVisible();
};
/**
* @param fieldChar {ParaFieldChar}
*/
ParagraphContentDrawState.prototype.handleFieldChar = function(fieldChar)
{
if (!fieldChar.IsVisual())
return;
// Draw the auto-calculated pageNum in the header/footer
let complexField = fieldChar.GetComplexField();
// We can't use textPr of the current run, since the properties of the actual text
// may be different
let textPr = complexField.GetFieldValueTextPr(true);
this.updateGraphicsState(textPr);
this.handleRegularElement(fieldChar);
};
ParagraphContentDrawState.prototype.handleNumbering = function()
{
let graphics = this.Graphics;
let BgColor = this.drawState.getBgColor();
let Pr = this.drawState.getParagraphCompiledPr();
let isRtl = Pr.ParaPr.Bidi;
let X = this.X;
let Y = this.Y;
let CurLine = this.Line;
let CurPage = this.Page;
let para = this.Paragraph;
var nReviewType = para.GetReviewType();
var oReviewColor = para.GetReviewColor();
let numItem = para.Numbering;
if (para_Numbering === numItem.Type)
{
var isHavePrChange = para.HavePrChange();
let prevNumPr = para.GetPrChangeNumPr();
let numPr = Pr.ParaPr.NumPr;
if (prevNumPr && prevNumPr.IsValid())
{
prevNumPr = prevNumPr.Copy();
if (undefined === prevNumPr.Lvl)
prevNumPr.Lvl = 0;
}
else
{
prevNumPr = null;
}
var isHaveNumbering = false;
if ((undefined === para.Get_SectionPr() || true !== para.IsEmpty())
&& (!para.Parent || !para.Parent.IsEmptyParagraphAfterTableInTableCell(para.GetIndex()))
&& ((numPr && numPr.IsValid()) || (prevNumPr && prevNumPr.IsValid())))
{
isHaveNumbering = true;
}
if (!isHaveNumbering || (!numPr && !prevNumPr))
{
// Ничего не делаем
}
else
{
var oNumbering = para.Parent.GetNumbering();
let oNumLvl = null;
let nNumSuff = Asc.c_oAscNumberingSuff.None;
if (numPr)
{
oNumLvl = oNumbering.GetNum(numPr.NumId).GetLvl(numPr.Lvl);
nNumSuff = oNumLvl.GetSuff();
}
else if (prevNumPr)
{
// MSWord uses tab instead of suff from PrevNum (74525)
oNumLvl = oNumbering.GetNum(prevNumPr.NumId).GetLvl(prevNumPr.Lvl);
nNumSuff = Asc.c_oAscNumberingSuff.Tab;
}
var nNumJc = oNumLvl.GetJc();
var oNumTextPr = para.GetNumberingTextPr();
var oPrevNumTextPr = prevNumPr ? para.Get_CompiledPr2(false).TextPr.Copy() : null;
if (oPrevNumTextPr && (prevNumPr && prevNumPr.IsValid()))
{
var oPrevNumLvl = oNumbering.GetNum(prevNumPr.NumId).GetLvl(prevNumPr.Lvl);
oPrevNumTextPr.Merge(para.TextPr.Value.Copy());
oPrevNumTextPr.Merge(oPrevNumLvl.GetTextPr());
}
var X_start = this.X;
let numWidth = numItem.getNumWidth();
let suffWidth = numItem.getSuffWidth();
if (isRtl)
{
X_start = this.X + numItem.getVisibleWidth();
if (align_Left === nNumJc)
X_start -= numWidth;
else if (align_Center === nNumJc)
X_start -= numWidth / 2;
}
else
{
if (align_Right === nNumJc)
X_start -= numWidth;
else if (align_Center === nNumJc)
X_start -= numWidth / 2;
}
var AutoColor = ( undefined !== BgColor && false === BgColor.Check_BlackAutoColor() ? new CDocumentColor(255, 255, 255, false) : new CDocumentColor(0, 0, 0, false) );
var RGBA;
if (oNumTextPr.Unifill)
{
oNumTextPr.Unifill.check(this.Theme, this.ColorMap);
RGBA = oNumTextPr.Unifill.getRGBAColor();
graphics.b_color1(RGBA.R, RGBA.G, RGBA.B, 255);
}
else
{
if (true === oNumTextPr.Color.Auto)
{
if(oNumTextPr.FontRef && oNumTextPr.FontRef.Color)
{
oNumTextPr.FontRef.Color.check(this.Theme, this.ColorMap);
RGBA = oNumTextPr.FontRef.Color.RGBA;
graphics.b_color1(RGBA.R, RGBA.G, RGBA.B, 255);
}
else
{
graphics.b_color1(AutoColor.r, AutoColor.g, AutoColor.b, 255);
}
}
else
{
graphics.b_color1(oNumTextPr.Color.r, oNumTextPr.Color.g, oNumTextPr.Color.b, 255);
}
}
if (numItem.havePrevNumbering() || reviewtype_Common !== nReviewType)
{
if (reviewtype_Common === nReviewType)
graphics.b_color1(REVIEW_NUMBERING_COLOR.r, REVIEW_NUMBERING_COLOR.g, REVIEW_NUMBERING_COLOR.b, 255);
else
graphics.b_color1(oReviewColor.r, oReviewColor.g, oReviewColor.b, 255);
}
else if (isHavePrChange && numPr && !prevNumPr)
{
var oPrReviewColor = para.GetPrReviewColor();
graphics.b_color1(oPrReviewColor.r, oPrReviewColor.g, oPrReviewColor.b, 255);
}
let baseY = Y;
switch (oNumTextPr.VertAlign)
{
case AscCommon.vertalign_SubScript:
{
baseY -= AscCommon.vaKSub * oNumTextPr.FontSize * g_dKoef_pt_to_mm;
break;
}
case AscCommon.vertalign_SuperScript:
{
baseY -= AscCommon.vaKSuper * oNumTextPr.FontSize * g_dKoef_pt_to_mm;
break;
}
}
// Рисуется только сам символ нумерации
switch (nNumJc)
{
case align_Right:
numItem.Draw(X_start, baseY, graphics, oNumbering, oNumTextPr, this.Theme, oPrevNumTextPr, isRtl);
break;
case align_Center:
numItem.Draw(X_start, baseY, graphics, oNumbering, oNumTextPr, this.Theme, oPrevNumTextPr, isRtl);
break;
case align_Left:
default:
numItem.Draw(X_start, baseY, graphics, oNumbering, oNumTextPr, this.Theme, oPrevNumTextPr, isRtl);
break;
}
if (true === oNumTextPr.Strikeout || true === oNumTextPr.Underline)
{
if (oNumTextPr.Unifill)
{
graphics.p_color(RGBA.R, RGBA.G, RGBA.B, 255);
}
else
{
if (true === oNumTextPr.Color.Auto)
graphics.p_color(AutoColor.r, AutoColor.g, AutoColor.b, 255);
else
graphics.p_color(oNumTextPr.Color.r, oNumTextPr.Color.g, oNumTextPr.Color.b, 255);
}
}
let lineW = (oNumTextPr.FontSize / 18) * g_dKoef_pt_to_mm;
let strikeoutY = (baseY - oNumTextPr.FontSize * g_dKoef_pt_to_mm * 0.27);
let underlineY = (baseY + para.Lines[CurLine].Metrics.TextDescent * 0.4);
if (numItem.havePrevNumbering() || reviewtype_Common !== nReviewType)
{
let prevNumWidth = numItem.getPrevNumWidth();
if (reviewtype_Common === nReviewType)
graphics.p_color(REVIEW_NUMBERING_COLOR.r, REVIEW_NUMBERING_COLOR.g, REVIEW_NUMBERING_COLOR.b, 255);
else
graphics.p_color(oReviewColor.r, oReviewColor.g, oReviewColor.b, 255);
// Либо у нас есть удаленная часть, либо у нас одновременно добавлен и удален параграф, тогда мы зачеркиваем суффикс
if (numItem.havePrevNumbering() || (!numItem.havePrevNumbering() && !numItem.haveFinalNumbering()))
{
if (numItem.haveFinalNumbering() || nReviewType !== reviewtype_Remove)
{
let x0 = X_start;
let x1 = X_start + prevNumWidth;
graphics.drawHorLine(0, strikeoutY, x0, x1, lineW);
}
else
{
let x0 = isRtl ? X_start - suffWidth : X_start;
let x1 = x0 + numWidth + suffWidth;
graphics.drawHorLine(0, strikeoutY, x0, x1, lineW);
}
}
if (numItem.haveFinalNumbering())
{
if (isRtl)
{
let x0 = X_start - suffWidth;
let x1 = X_start;
graphics.drawHorLine(0, underlineY, x0, x1, lineW);
x0 = X_start + prevNumWidth;
x1 = X_start + numWidth;
graphics.drawHorLine(0, underlineY, x0, x1, lineW);
}
else
{
let x0 = X_start + prevNumWidth;
let x1 = X_start + numWidth + suffWidth;
graphics.drawHorLine(0, underlineY, x0, x1, lineW);
}
}
}
else if (isHavePrChange && numPr && !prevNumPr)
{
let prevColor = para.GetPrReviewColor();
graphics.p_color(prevColor.r, prevColor.g, prevColor.b, 255);
let x0 = isRtl ? X_start - suffWidth : X_start;
let x1 = x0 + numWidth + suffWidth;
graphics.drawHorLine(0, underlineY, x0, x1, lineW);
}
else
{
let x0 = X_start;
let x1 = x0 + numWidth;
if (oNumTextPr.Strikeout)
graphics.drawHorLine(0, strikeoutY, x0, x1, lineW);
if (oNumTextPr.Underline)
graphics.drawHorLine(0, underlineY, x0, x1, lineW);
}
if (true === editor.ShowParaMarks && (Asc.c_oAscNumberingSuff.Tab === nNumSuff || oNumLvl.IsLegacy()))
{
let tabSymbolWidth = 3.143; // ширина символа "стрелка влево" в шрифте Wingding3,10
let tabX = this.X;
if (!isRtl)
{
if (AscCommon.align_Left === nNumJc)
tabX += numWidth;
else if (AscCommon.align_Center === nNumJc)
tabX += numWidth / 2;
}
graphics.SetFont({
FontFamily : {Name : "ASCW3", Index : -1},
FontSize : 10,
Italic : false,
Bold : false
});
let tabCode = isRtl ? tab_Symbol_Rtl : tab_Symbol;
if (suffWidth > tabSymbolWidth)
graphics.FillText2(tabX + suffWidth / 2 - tabSymbolWidth / 2, Y, String.fromCharCode(tabCode), 0, suffWidth);
else if (isRtl)
graphics.FillText2(tabX, Y, String.fromCharCode(tabCode), 0, suffWidth);
else
graphics.FillText2(tabX, Y, String.fromCharCode(tabCode), tabSymbolWidth - suffWidth, suffWidth);
}
}
}
else if (para_PresentationNumbering === numItem.Type)
{
var bIsEmpty = para.IsEmpty();
if ((para.LogicDocument && para.LogicDocument.IsVisioEditor()) || !bIsEmpty ||
para.IsThisElementCurrent() ||
para.Parent.IsSelectionUse() && para.Parent.IsSelectionEmpty() && para.Parent.Selection.StartPos === para.GetIndex())
{
if(!isRtl)
{
if (Pr.ParaPr.Ind.FirstLine < 0)
numItem.Draw(X, Y, graphics, this);
else
numItem.Draw(para.Pages[CurPage].X + Pr.ParaPr.Ind.Left, Y, graphics, this);
}
else
{
if (Pr.ParaPr.Ind.FirstLine < 0)
numItem.Draw(X + numItem.getVisibleWidth() / 2, Y, graphics, this);
else
numItem.Draw(para.Pages[CurPage].X + para.Pages[CurPage].XLimit - Pr.ParaPr.Ind.Right, Y, graphics, this);
}
}
}
this.X += numItem.getVisibleWidth();
};
ParagraphContentDrawState.prototype.calculateY = function(textPr)
{
let y = this.Y;
if (AscCommon.vertalign_SubScript === textPr.VertAlign)
y -= AscCommon.vaKSub * textPr.FontSize * g_dKoef_pt_to_mm;
else if (AscCommon.vertalign_SuperScript === textPr.VertAlign)
y -= AscCommon.vaKSuper * textPr.FontSize * g_dKoef_pt_to_mm;
return y;
};
ParagraphContentDrawState.prototype.isSlideEditor = function()
{
return this.Paragraph && !this.Paragraph.bFromDocument;
};
ParagraphContentDrawState.prototype.isTextArtDraw = function()
{
return this.Graphics && this.Graphics.m_bIsTextDrawer;
};
ParagraphContentDrawState.prototype.isRtlMainDirection = function()
{
return this.Paragraph.isRtlDirection();
};
//--------------------------------------------------------export----------------------------------------------------
AscWord.ParagraphContentDrawState = ParagraphContentDrawState;
})(window);