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core/HtmlRenderer/src/HTMLRendererText.cpp
2022-04-13 14:34:02 +03:00

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/*
* (c) Copyright Ascensio System SIA 2010-2019
*
* 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-12 Ernesta Birznieka-Upisha
* 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
*
*/
#include "../include/HTMLRendererText.h"
#include "./Text.h"
namespace NSHtmlRenderer
{
class CHTMLRendererText_Private
{
public:
double m_dWidth;
double m_dHeght;
NSStructures::CBrush m_oBrush;
NSStructures::CBrush m_oLastBrush;
NSStructures::CFont m_oFont;
NSStructures::CFont* m_pFont;
NSStructures::CFont m_oInstalledFont;
LONG m_lCurrentFont;
double m_dCurrentFontSize;
Aggplus::CMatrix m_oTransform;
Aggplus::CMatrix m_oLastTransform;
bool m_bIsChangedFontParamBetweenDrawText;
LONG m_lCurrentCommandType;
LONG m_lSrcFileType;
CHText m_oSmartText;
CMetafile m_oPage;
int* m_pTempUnicodes;
int m_nTempUnicodesAlloc;
int m_nTempUnicodesLen;
bool m_bIsFontsInit;
public:
CHTMLRendererText_Private()
{
m_bIsChangedFontParamBetweenDrawText = true;
m_lSrcFileType = 0;
m_pTempUnicodes = NULL;
m_nTempUnicodesLen = 0;
m_nTempUnicodesAlloc = 0;
m_bIsFontsInit = false;
m_lCurrentFont = 0;
m_dCurrentFontSize = 0;
m_pFont = &m_oFont;
}
~CHTMLRendererText_Private()
{
RELEASEARRAYOBJECTS(m_pTempUnicodes);
}
public:
void GetUnicodes(const std::wstring& sText)
{
int nLen = (int)sText.length();
if (nLen > m_nTempUnicodesAlloc)
{
RELEASEARRAYOBJECTS(m_pTempUnicodes);
m_nTempUnicodesAlloc = nLen;
m_pTempUnicodes = new int[m_nTempUnicodesAlloc];
}
m_nTempUnicodesLen = 0;
const wchar_t* pWchars = sText.c_str();
if (sizeof(wchar_t) == 2)
{
for (int nIndex = 0, nGlyphIndex = 0; nIndex < nLen; ++nIndex, ++nGlyphIndex)
{
int code = (int)pWchars[nIndex];
if (code >= 0xD800 && code <= 0xDFFF && (nIndex + 1) < nLen)
{
++nIndex;
code = 0x10000 + (((code & 0x3FF) << 10) | (0x03FF & pWchars[nIndex]));
}
m_pTempUnicodes[m_nTempUnicodesLen++] = code;
}
}
else
{
for ( int nIndex = 0; nIndex < nLen; ++nIndex )
{
m_pTempUnicodes[m_nTempUnicodesLen++] = (int)pWchars[nIndex];
}
}
}
void WriteText(const int* pUnicodes, const int* pGids, const int& nCount, const double& x, const double& y,
const double& width, const double& height, const bool& bIsChangedFontParamBetweenDrawText)
{
bool bIsDumpFont = false;
if (!m_oInstalledFont.IsEqual(&m_oFont))
{
m_oInstalledFont = m_oFont;
bIsDumpFont = true;
m_dCurrentFontSize = m_oInstalledFont.Size;
}
m_oSmartText.CommandText(pUnicodes, pGids, nCount, x, y, width, height, bIsDumpFont, this);
}
};
CHTMLRendererText::CHTMLRendererText()
{
m_pInternal = new CHTMLRendererText_Private();
}
CHTMLRendererText::~CHTMLRendererText()
{
RELEASEOBJECT(m_pInternal);
}
void CHTMLRendererText::Init(IOfficeDrawingFile* pFile, int nCacheSize)
{
m_pInternal->m_oBrush.SetDefaultParams();
m_pInternal->m_oLastBrush.SetDefaultParams();
m_pInternal->m_oFont.SetDefaultParams();
m_pInternal->m_oInstalledFont.SetDefaultParams();
m_pInternal->m_oInstalledFont.Name = L"";
m_pInternal->m_oTransform.Reset();
m_pInternal->m_oLastTransform.Reset();
m_pInternal->m_oLastBrush.Color1 = -1;
m_pInternal->m_dCurrentFontSize = 0.0;
m_pInternal->m_bIsChangedFontParamBetweenDrawText = false;
m_pInternal->m_lCurrentCommandType = -1;
m_pInternal->m_oSmartText.NewPage();
if (!m_pInternal->m_bIsFontsInit)
{
m_pInternal->m_oSmartText.m_oFontManager.m_pFont = &m_pInternal->m_oFont;
m_pInternal->m_oSmartText.m_pLastBrush = &m_pInternal->m_oLastBrush;
m_pInternal->m_oSmartText.m_pBrush = &m_pInternal->m_oBrush;
m_pInternal->m_oSmartText.m_pFont = &m_pInternal->m_oFont;
m_pInternal->m_oSmartText.m_pTransform = &m_pInternal->m_oTransform;
m_pInternal->m_oSmartText.m_pLastTransform = &m_pInternal->m_oLastTransform;
m_pInternal->m_oSmartText.m_pPageMeta = &m_pInternal->m_oPage;
OfficeDrawingFileType eType = pFile->GetType();
switch (eType)
{
case odftPDF:
{
m_pInternal->m_lSrcFileType = AVS_OFFICESTUDIO_FILE_CROSSPLATFORM_PDF;
m_pInternal->m_oSmartText.m_dTextSpaceEps = 0.1;
break;
}
case odftDJVU:
{
m_pInternal->m_lSrcFileType = AVS_OFFICESTUDIO_FILE_CROSSPLATFORM_DJVU;
m_pInternal->m_oSmartText.m_dTextSpaceEps = 0.1;
break;
}
case odftXPS:
{
m_pInternal->m_lSrcFileType = AVS_OFFICESTUDIO_FILE_CROSSPLATFORM_XPS;
m_pInternal->m_oSmartText.m_dTextSpaceEps = 0.1;
break;
}
default:
break;
}
m_pInternal->m_bIsFontsInit = true;
m_pInternal->m_oSmartText.Init(pFile->GetFonts(), nCacheSize);
}
m_pInternal->m_oPage.ClearNoAttack();
m_pInternal->m_oPage.WriteLONG(0);
// статистика
m_pInternal->m_oPage.WriteLONG(0);
m_pInternal->m_oPage.WriteLONG(0);
m_pInternal->m_oPage.WriteLONG(0);
m_pInternal->m_oPage.WriteLONG(0);
}
BYTE* CHTMLRendererText::GetBuffer()
{
m_pInternal->m_oSmartText.ClosePage();
LONG lPos = m_pInternal->m_oPage.GetPosition();
m_pInternal->m_oPage.Seek(0);
// len
m_pInternal->m_oPage.WriteLONG(lPos);
// stat
m_pInternal->m_oPage.WriteLONG(m_pInternal->m_oSmartText.m_lCountParagraphs);
m_pInternal->m_oPage.WriteLONG(m_pInternal->m_oSmartText.m_lCountWords);
m_pInternal->m_oPage.WriteLONG(m_pInternal->m_oSmartText.m_lCountSymbols);
m_pInternal->m_oPage.WriteLONG(m_pInternal->m_oSmartText.m_lCountSpaces);
// seek to end
m_pInternal->m_oPage.Seek(lPos);
m_pInternal->m_oSmartText.ClearStatistics();
return m_pInternal->m_oPage.GetData();
}
HRESULT CHTMLRendererText::get_Type(LONG* lType)
{
*lType = c_nHtmlRendrererText;
return S_OK;
}
//-------- Функции для работы со страницей --------------------------------------------------
HRESULT CHTMLRendererText::NewPage()
{
return S_OK;
}
HRESULT CHTMLRendererText::get_Height(double* dHeight)
{
*dHeight = m_pInternal->m_dHeght;
return S_OK;
}
HRESULT CHTMLRendererText::put_Height(const double& dHeight)
{
m_pInternal->m_dHeght = dHeight;
return S_OK;
}
HRESULT CHTMLRendererText::get_Width(double* dWidth)
{
*dWidth = m_pInternal->m_dWidth;
return S_OK;
}
HRESULT CHTMLRendererText::put_Width(const double& dWidth)
{
m_pInternal->m_dWidth = dWidth;
return S_OK;
}
HRESULT CHTMLRendererText::get_DpiX(double* dDpiX)
{
*dDpiX = 96;
return S_OK;
}
HRESULT CHTMLRendererText::get_DpiY(double* dDpiY)
{
*dDpiY = 96;
return S_OK;
}
// pen --------------------------------------------------------------------------------------
HRESULT CHTMLRendererText::get_PenColor(LONG* lColor) { return S_OK; }
HRESULT CHTMLRendererText::put_PenColor(const LONG& lColor) { return S_OK; }
HRESULT CHTMLRendererText::get_PenAlpha(LONG* lAlpha) { return S_OK; }
HRESULT CHTMLRendererText::put_PenAlpha(const LONG& lAlpha) { return S_OK; }
HRESULT CHTMLRendererText::get_PenSize(double* dSize) { return S_OK; }
HRESULT CHTMLRendererText::put_PenSize(const double& dSize) { return S_OK; }
HRESULT CHTMLRendererText::get_PenDashStyle(BYTE* val) { return S_OK; }
HRESULT CHTMLRendererText::put_PenDashStyle(const BYTE& val) { return S_OK; }
HRESULT CHTMLRendererText::get_PenLineStartCap(BYTE* val) { return S_OK; }
HRESULT CHTMLRendererText::put_PenLineStartCap(const BYTE& val) { return S_OK; }
HRESULT CHTMLRendererText::get_PenLineEndCap(BYTE* val) { return S_OK; }
HRESULT CHTMLRendererText::put_PenLineEndCap(const BYTE& val) { return S_OK; }
HRESULT CHTMLRendererText::get_PenLineJoin(BYTE* val) { return S_OK; }
HRESULT CHTMLRendererText::put_PenLineJoin(const BYTE& val) { return S_OK; }
HRESULT CHTMLRendererText::get_PenDashOffset(double* dOffset) { return S_OK; }
HRESULT CHTMLRendererText::put_PenDashOffset(const double& dOffset) { return S_OK; }
HRESULT CHTMLRendererText::get_PenAlign(LONG* lAlign) { return S_OK; }
HRESULT CHTMLRendererText::put_PenAlign(const LONG& lAlign) { return S_OK; }
HRESULT CHTMLRendererText::get_PenMiterLimit(double* dOffset) { return S_OK; }
HRESULT CHTMLRendererText::put_PenMiterLimit(const double& dOffset) { return S_OK; }
HRESULT CHTMLRendererText::PenDashPattern(double* pPattern, LONG lCount) { return S_OK; }
// brush ------------------------------------------------------------------------------------
HRESULT CHTMLRendererText::get_BrushType(LONG* lType)
{
*lType = m_pInternal->m_oBrush.Type;
return S_OK;
}
HRESULT CHTMLRendererText::put_BrushType(const LONG& lType)
{
m_pInternal->m_oBrush.Type = lType;
return S_OK;
}
HRESULT CHTMLRendererText::get_BrushColor1(LONG* lColor)
{
*lColor = m_pInternal->m_oBrush.Color1;
return S_OK;
}
HRESULT CHTMLRendererText::put_BrushColor1(const LONG& lColor)
{
m_pInternal->m_oBrush.Color1 = lColor;
return S_OK;
}
HRESULT CHTMLRendererText::get_BrushAlpha1(LONG* lAlpha)
{
*lAlpha = m_pInternal->m_oBrush.Alpha1;
return S_OK;
}
HRESULT CHTMLRendererText::put_BrushAlpha1(const LONG& lAlpha)
{
m_pInternal->m_oBrush.Alpha1 = lAlpha;
return S_OK;
}
HRESULT CHTMLRendererText::get_BrushColor2(LONG* lColor) { return S_OK; }
HRESULT CHTMLRendererText::put_BrushColor2(const LONG& lColor) { return S_OK; }
HRESULT CHTMLRendererText::get_BrushAlpha2(LONG* lAlpha) { return S_OK; }
HRESULT CHTMLRendererText::put_BrushAlpha2(const LONG& lAlpha) { return S_OK; }
HRESULT CHTMLRendererText::get_BrushTexturePath(std::wstring* bsPath) { return S_OK; }
HRESULT CHTMLRendererText::put_BrushTexturePath(const std::wstring& bsPath) { return S_OK; }
HRESULT CHTMLRendererText::get_BrushTextureMode(LONG* lMode) { return S_OK; }
HRESULT CHTMLRendererText::put_BrushTextureMode(const LONG& lMode) { return S_OK; }
HRESULT CHTMLRendererText::get_BrushTextureAlpha(LONG* lTxAlpha) { return S_OK; }
HRESULT CHTMLRendererText::put_BrushTextureAlpha(const LONG& lTxAlpha) { return S_OK; }
HRESULT CHTMLRendererText::get_BrushLinearAngle(double* dAngle) { return S_OK; }
HRESULT CHTMLRendererText::put_BrushLinearAngle(const double& dAngle) { return S_OK; }
HRESULT CHTMLRendererText::BrushRect(const INT& val, const double& left, const double& top, const double& width, const double& height) { return S_OK; }
HRESULT CHTMLRendererText::BrushBounds(const double& left, const double& top, const double& width, const double& height) { return S_OK; }
HRESULT CHTMLRendererText::put_BrushGradientColors(LONG* lColors, double* pPositions, LONG nCount) { return S_OK; }
// font -------------------------------------------------------------------------------------
HRESULT CHTMLRendererText::get_FontName(std::wstring* bsName)
{
*bsName = m_pInternal->m_oFont.Name;
return S_OK;
}
HRESULT CHTMLRendererText::put_FontName(const std::wstring& bsName)
{
m_pInternal->m_oFont.Name = bsName;
m_pInternal->m_bIsChangedFontParamBetweenDrawText = true;
return S_OK;
}
HRESULT CHTMLRendererText::get_FontPath(std::wstring* bsName)
{
*bsName = m_pInternal->m_oFont.Path;
return S_OK;
}
HRESULT CHTMLRendererText::put_FontPath(const std::wstring& bsName)
{
m_pInternal->m_oFont.Path = bsName;
m_pInternal->m_bIsChangedFontParamBetweenDrawText = true;
return S_OK;
}
HRESULT CHTMLRendererText::get_FontSize(double* dSize)
{
*dSize = m_pInternal->m_oFont.Size;
return S_OK;
}
HRESULT CHTMLRendererText::put_FontSize(const double& dSize)
{
if (m_pInternal->m_oFont.Size != dSize)
{
m_pInternal->m_oFont.Size = dSize;
m_pInternal->m_bIsChangedFontParamBetweenDrawText = true;
}
return S_OK;
}
HRESULT CHTMLRendererText::get_FontStyle(LONG* lStyle)
{
*lStyle = m_pInternal->m_oFont.GetStyle();
return S_OK;
}
HRESULT CHTMLRendererText::put_FontStyle(const LONG& lStyle)
{
LONG lOld = m_pInternal->m_oFont.GetStyle();
if (lOld != lStyle)
{
m_pInternal->m_oFont.SetStyle(lStyle);
m_pInternal->m_bIsChangedFontParamBetweenDrawText = true;
}
return S_OK;
}
HRESULT CHTMLRendererText::get_FontStringGID(INT* bGID)
{
*bGID = m_pInternal->m_oFont.StringGID;
return S_OK;
}
HRESULT CHTMLRendererText::put_FontStringGID(const INT& bGID)
{
m_pInternal->m_oFont.StringGID = bGID;
return S_OK;
}
HRESULT CHTMLRendererText::get_FontCharSpace(double* dSpace)
{
*dSpace = m_pInternal->m_oFont.CharSpace;
return S_OK;
}
HRESULT CHTMLRendererText::put_FontCharSpace(const double& dSpace)
{
m_pInternal->m_oFont.CharSpace = dSpace;
return S_OK;
}
HRESULT CHTMLRendererText::get_FontFaceIndex(int* lFaceIndex)
{
*lFaceIndex = m_pInternal->m_oFont.FaceIndex;
return S_OK;
}
HRESULT CHTMLRendererText::put_FontFaceIndex(const int& lFaceIndex)
{
m_pInternal->m_oFont.FaceIndex = lFaceIndex;
return S_OK;
}
//-------- Функции для вывода текста --------------------------------------------------------
HRESULT CHTMLRendererText::CommandDrawTextCHAR(const LONG& c, const double& x, const double& y, const double& w, const double& h)
{
if (c_nHyperlinkType == m_pInternal->m_lCurrentCommandType)
return S_OK;
int _c = (int)c;
m_pInternal->WriteText(&_c, NULL, 1, x, y, w, h, m_pInternal->m_bIsChangedFontParamBetweenDrawText);
m_pInternal->m_bIsChangedFontParamBetweenDrawText = false;
return S_OK;
}
HRESULT CHTMLRendererText::CommandDrawText(const std::wstring& bsText, const double& x, const double& y, const double& w, const double& h)
{
if (c_nHyperlinkType == m_pInternal->m_lCurrentCommandType)
return S_OK;
m_pInternal->GetUnicodes(bsText);
m_pInternal->WriteText(m_pInternal->m_pTempUnicodes, NULL, m_pInternal->m_nTempUnicodesLen, x, y, w, h, m_pInternal->m_bIsChangedFontParamBetweenDrawText);
m_pInternal->m_bIsChangedFontParamBetweenDrawText = false;
return S_OK;
}
HRESULT CHTMLRendererText::CommandDrawTextExCHAR(const LONG& c, const LONG& gid, const double& x, const double& y, const double& w, const double& h)
{
if (c_nHyperlinkType == m_pInternal->m_lCurrentCommandType)
return S_OK;
int _c = (int)c;
int _g = (int)gid;
m_pInternal->WriteText(&_c, &_g, 1, x, y, w, h, m_pInternal->m_bIsChangedFontParamBetweenDrawText);
m_pInternal->m_bIsChangedFontParamBetweenDrawText = false;
return S_OK;
}
HRESULT CHTMLRendererText::CommandDrawTextEx(const std::wstring& bsUnicodeText, const unsigned int* pGids, const unsigned int nGidsCount, const double& x, const double& y, const double& w, const double& h)
{
if (c_nHyperlinkType == m_pInternal->m_lCurrentCommandType)
return S_OK;
m_pInternal->GetUnicodes(bsUnicodeText);
m_pInternal->WriteText(m_pInternal->m_pTempUnicodes, (const int*)pGids, m_pInternal->m_nTempUnicodesLen, x, y, w, h, m_pInternal->m_bIsChangedFontParamBetweenDrawText);
m_pInternal->m_bIsChangedFontParamBetweenDrawText = false;
return S_OK;
}
//-------- Маркеры для команд ---------------------------------------------------------------
HRESULT CHTMLRendererText::BeginCommand(const DWORD& lType)
{
m_pInternal->m_lCurrentCommandType = lType;
return S_OK;
}
HRESULT CHTMLRendererText::EndCommand(const DWORD& lType)
{
m_pInternal->m_lCurrentCommandType = -1;
return S_OK;
}
//-------- Функции для работы с Graphics Path -----------------------------------------------
HRESULT CHTMLRendererText::PathCommandMoveTo(const double& x, const double& y) { return S_OK; }
HRESULT CHTMLRendererText::PathCommandLineTo(const double& x, const double& y) { return S_OK; }
HRESULT CHTMLRendererText::PathCommandLinesTo(double* points, const int& count) { return S_OK; }
HRESULT CHTMLRendererText::PathCommandCurveTo(const double& x1, const double& y1, const double& x2, const double& y2, const double& x3, const double& y3) { return S_OK; }
HRESULT CHTMLRendererText::PathCommandCurvesTo(double* points, const int& count) { return S_OK; }
HRESULT CHTMLRendererText::PathCommandArcTo(const double& x, const double& y, const double& w, const double& h, const double& startAngle, const double& sweepAngle) { return S_OK; }
HRESULT CHTMLRendererText::PathCommandClose() { return S_OK; }
HRESULT CHTMLRendererText::PathCommandEnd() { return S_OK; }
HRESULT CHTMLRendererText::DrawPath(const LONG& nType) { return S_OK; }
HRESULT CHTMLRendererText::PathCommandStart() { return S_OK; }
HRESULT CHTMLRendererText::PathCommandGetCurrentPoint(double* x, double* y) { return S_OK; }
HRESULT CHTMLRendererText::PathCommandTextCHAR(const LONG& c, const double& x, const double& y, const double& w, const double& h) { return S_OK; }
HRESULT CHTMLRendererText::PathCommandText(const std::wstring& bsText, const double& x, const double& y, const double& w, const double& h) { return S_OK; }
HRESULT CHTMLRendererText::PathCommandTextExCHAR(const LONG& c, const LONG& gid, const double& x, const double& y, const double& w, const double& h) { return S_OK; }
HRESULT CHTMLRendererText::PathCommandTextEx(const std::wstring& bsUnicodeText, const unsigned int* pGids, const unsigned int nGidsCount, const double& x, const double& y, const double& w, const double& h) { return S_OK; }
//-------- Функции для вывода изображений ---------------------------------------------------
HRESULT CHTMLRendererText::DrawImage(IGrObject* pImage, const double& x, const double& y, const double& w, const double& h) { return S_OK; }
HRESULT CHTMLRendererText::DrawImageFromFile(const std::wstring& sPath, const double& x, const double& y, const double& w, const double& h, const BYTE& lAlpha) { return S_OK; }
// transform --------------------------------------------------------------------------------
HRESULT CHTMLRendererText::SetTransform(const double& m1, const double& m2, const double& m3, const double& m4, const double& m5, const double& m6)
{
m_pInternal->m_oTransform.SetElements(m1, m2, m3, m4, m5, m6);
return S_OK;
}
HRESULT CHTMLRendererText::GetTransform(double *pdA, double *pdB, double *pdC, double *pdD, double *pdE, double *pdF)
{
*pdA = m_pInternal->m_oTransform.sx();
*pdB = m_pInternal->m_oTransform.shy();
*pdC = m_pInternal->m_oTransform.shx();
*pdD = m_pInternal->m_oTransform.sy();
*pdE = m_pInternal->m_oTransform.tx();
*pdF = m_pInternal->m_oTransform.ty();
return S_OK;
}
HRESULT CHTMLRendererText::ResetTransform()
{
m_pInternal->m_oTransform.Reset();
return S_OK;
}
// -----------------------------------------------------------------------------------------
HRESULT CHTMLRendererText::get_ClipMode(LONG* plMode) { return S_OK; }
HRESULT CHTMLRendererText::put_ClipMode(const LONG& lMode) { return S_OK; }
// additiaonal params ----------------------------------------------------------------------
HRESULT CHTMLRendererText::CommandLong(const LONG& lType, const LONG& lCommand) { return S_OK; }
HRESULT CHTMLRendererText::CommandDouble(const LONG& lType, const double& dCommand) { return S_OK; }
HRESULT CHTMLRendererText::CommandString(const LONG& lType, const std::wstring& sCommand) { return S_OK; }
}