pengjunjie/core
1
0
Fork 1
mirror of https://github.com/ONLYOFFICE/core.git synced 2026-04-07 13:55:33 +08:00
Code Issues Packages Projects Releases Wiki Activity
Files
7e8eeed3ea4de2632a7a28d10e2e4c482e2f2ef9
core/DesktopEditor/raster/Metafile/Wmf/WmfFile.h
Alexander.Trofimov 7e8eeed3ea add AGPL header
2016-06-23 17:24:44 +03:00

1624 lines
48 KiB
C++
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/*
* (c) Copyright Ascensio System SIA 2010-2016
*
* 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 Lubanas st. 125a-25, Riga, Latvia,
* EU, LV-1021.
*
* 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
*
*/
#ifndef _METAFILE_WMF_WMFFILE_H
#define _METAFILE_WMF_WMFFILE_H
#include "../../../common/String.h"
#include "../../../fontengine/FontManager.h"
#include "../Common/IOutputDevice.h"
#include "../Common/MetaFile.h"
#include "WmfTypes.h"
#include "WmfPlayer.h"
#include <cmath>
#undef DrawText
namespace MetaFile
{
class CWmfFile : public IMetaFileBase
{
public:
CWmfFile() : m_oPlayer(this)
{
}
~CWmfFile()
{
ClearFile();
}
TRectD GetBounds()
{
TRect oBoundsBox = GetBoundingBox();
TRectD oBounds = oBoundsBox;
if (IsPlaceable())
{
double dLogicalToMM = 25.4 / 72;
if (m_oPlaceable.Inch > 0)
dLogicalToMM /= m_oPlaceable.Inch;
oBounds *= dLogicalToMM;
}
else
{
// TODO:
}
return oBounds;
}
void PlayMetaFile()
{
if (!m_oStream.IsValid())
SetError();
unsigned int unSize;
unsigned short ushType;
unsigned int ulNumber = 0;
bool bEof = false;
Read_META_HEADER();
unsigned int unRecordIndex = 1;
if (m_pOutput)
m_pOutput->Begin();
do
{
if (m_oStream.CanRead() < 6)
return SetError();
m_unRecordPos = m_oStream.Tell();
m_oStream >> unSize;
m_oStream >> ushType;
m_unRecordSize = unSize * 2; // Размер указан в WORD
switch (ushType)
{
//-----------------------------------------------------------
// 2.3.1 Bitmap records
//-----------------------------------------------------------
case META_BITBLT: Read_META_BITBLT(); break;
case META_DIBBITBLT: Read_META_DIBBITBLT(); break;
case META_DIBSTRETCHBLT: Read_META_DIBSTRETCHBLT(); break;
case META_SETDIBTODEV: Read_META_SETDIBTODEV(); break;
case META_STRETCHBLT: Read_META_STRETCHBLT(); break;
case META_STRETCHDIB: Read_META_STRETCHDIB(); break;
//-----------------------------------------------------------
// 2.3.2 Control records
//-----------------------------------------------------------
case META_EOF: bEof = true; break;
//-----------------------------------------------------------
// 2.3.3 Drawing records
//-----------------------------------------------------------
case META_ARC: Read_META_ARC(); break;
case META_CHORD: Read_META_CHORD(); break;
case META_ELLIPSE: Read_META_ELLIPSE(); break;
case META_EXTFLOODFILL: Read_META_UNSUPPORTED(); break;
case META_EXTTEXTOUT: Read_META_EXTTEXTOUT(); break;
case META_FILLREGION: Read_META_FILLREGION(); break;
case META_FLOODFILL: Read_META_UNSUPPORTED(); break;
case META_FRAMEREGION: Read_META_FRAMEREGION(); break;
case META_INVERTREGION: Read_META_INVERTREGION(); break;
case META_LINETO: Read_META_LINETO(); break;
case META_PAINTREGION: Read_META_PAINTREGION(); break;
case META_PATBLT: Read_META_PATBLT(); break;
case META_PIE: Read_META_PIE(); break;
case META_POLYLINE: Read_META_POLYLINE(); break;
case META_POLYGON: Read_META_POLYGON(); break;
case META_POLYPOLYGON: Read_META_POLYPOLYGON(); break;
case META_RECTANGLE: Read_META_RECTANGLE(); break;
case META_ROUNDRECT: Read_META_ROUNDRECT(); break;
case META_SETPIXEL: Read_META_SETPIXEL(); break;
case META_TEXTOUT: Read_META_TEXTOUT(); break;
//-----------------------------------------------------------
// 2.3.4 Object records
//-----------------------------------------------------------
case META_CREATEBRUSHINDIRECT: Read_META_CREATEBRUSHINDIRECT(); break;
case META_CREATEFONTINDIRECT: Read_META_CREATEFONTINDIRECT(); break;
case META_CREATEPALETTE: Read_META_CREATEPALETTE(); break;
case META_CREATEPATTERNBRUSH: Read_META_CREATEPATTERNBRUSH(); break;
case META_CREATEPENINDIRECT: Read_META_CREATEPENINDIRECT(); break;
case META_CREATEREGION: Read_META_CREATEREGION(); break;
case META_DELETEOBJECT: Read_META_DELETEOBJECT(); break;
case META_DIBCREATEPATTERNBRUSH: Read_META_DIBCREATEPATTERNBRUSH(); break;
case META_SELECTCLIPREGION: Read_META_SELECTCLIPREGION(); break;
case META_SELECTOBJECT: Read_META_SELECTOBJECT(); break;
case META_SELECTPALETTE: Read_META_SELECTPALETTE(); break;
//-----------------------------------------------------------
// 2.3.5 State records
//-----------------------------------------------------------
case META_ANIMATEPALETTE: Read_META_UNSUPPORTED(); break;
case META_EXCLUDECLIPRECT: Read_META_EXCLUDECLIPRECT(); break;
case META_INTERSECTCLIPRECT: Read_META_INTERSECTCLIPRECT(); break;
case META_MOVETO: Read_META_MOVETO(); break;
case META_OFFSETCLIPRGN: Read_META_OFFSETCLIPRGN(); break;
case META_OFFSETVIEWPORTORG: Read_META_OFFSETVIEWPORTORG(); break;
case META_OFFSETWINDOWORG: Read_META_OFFSETWINDOWORG(); break;
case META_REALIZEPALETTE: Read_META_UNSUPPORTED(); break;
case META_RESIZEPALETTE: Read_META_UNSUPPORTED(); break;
case META_RESTOREDC: Read_META_RESTOREDC(); break;
case META_SAVEDC: Read_META_SAVEDC(); break;
case META_SCALEVIEWPORTEXT: Read_META_SCALEVIEWPORTEXT(); break;
case META_SCALEWINDOWEXT: Read_META_SCALEWINDOWEXT(); break;
case META_SETBKCOLOR: Read_META_SETBKCOLOR(); break;
case META_SETBKMODE: Read_META_SETBKMODE(); break;
case META_SETLAYOUT: Read_META_SETLAYOUT(); break;
case META_SETMAPMODE: Read_META_SETMAPMODE(); break;
case META_SETMAPPERFLAGS: Read_META_UNSUPPORTED(); break;
case META_SETPALENTRIES: Read_META_UNSUPPORTED(); break;
case META_SETPOLYFILLMODE: Read_META_SETPOLYFILLMODE(); break;
case META_SETRELABS: Read_META_UNSUPPORTED(); break;
case META_SETROP2: Read_META_SETROP2(); break;
case META_SETSTRETCHBLTMODE: Read_META_SETSTRETCHBLTMODE(); break;
case META_SETTEXTALIGN: Read_META_SETTEXTALIGN(); break;
case META_SETTEXTCHAREXTRA: Read_META_SETTEXTCHAREXTRA(); break;
case META_SETTEXTCOLOR: Read_META_SETTEXTCOLOR(); break;
case META_SETTEXTJUSTIFICATION: Read_META_SETTEXTJUSTIFICATION(); break;
case META_SETVIEWPORTEXT: Read_META_SETVIEWPORTEXT(); break;
case META_SETVIEWPORTORG: Read_META_SETVIEWPORTORG(); break;
case META_SETWINDOWEXT: Read_META_SETWINDOWEXT(); break;
case META_SETWINDOWORG: Read_META_SETWINDOWORG(); break;
//-----------------------------------------------------------
// 2.3.6 State records
//-----------------------------------------------------------
case META_ESCAPE: Read_META_ESCAPE(); break;
//-----------------------------------------------------------
// Неизвестные записи
//-----------------------------------------------------------
default:
{
//std::cout << ushType << " ";
Read_META_UNKNOWN();
break;
}
}
if (bEof)
break;
unRecordIndex++;
// Пропускаем лишние байты, которые могли быть в записи
unsigned int unReadedSize = m_oStream.Tell() - m_unRecordPos;
m_oStream.Skip(m_unRecordSize - unReadedSize);
} while (!CheckError());
if (!CheckError())
m_oStream.SeekToStart();
if (m_pOutput)
m_pOutput->End();
}
void ClearFile()
{
m_oPlayer.Clear();
m_pDC = m_oPlayer.GetDC();
}
TRect* GetDCBounds()
{
TWmfWindow* pViewport = m_pDC->GetViewport();
m_oDCRect.nLeft = pViewport->x;
m_oDCRect.nTop = pViewport->y;
m_oDCRect.nRight = pViewport->w + pViewport->x;
m_oDCRect.nBottom = pViewport->h + pViewport->y;
return &m_oDCRect;
unsigned short ushMapMode = m_pDC->GetMapMode();
if (MM_ANISOTROPIC == ushMapMode || MM_ISOTROPIC == ushMapMode)
{
TWmfWindow* pViewport = m_pDC->GetViewport();
m_oDCRect.nLeft = pViewport->x;
m_oDCRect.nTop = pViewport->y;
m_oDCRect.nRight = pViewport->w + pViewport->x;
m_oDCRect.nBottom = pViewport->h + pViewport->y;
return &m_oDCRect;
}
else
{
return &m_oRect;
}
}
double GetPixelHeight()
{
return m_pDC->GetPixelHeight();
}
double GetPixelWidth()
{
return m_pDC->GetPixelWidth();
}
int GetTextColor()
{
TWmfColor& oColor = m_pDC->GetTextColor();
return METAFILE_RGBA(oColor.r, oColor.g, oColor.b);
}
IFont* GetFont()
{
CWmfFont* pFont = m_pDC->GetFont();
if (!pFont)
return NULL;
return (IFont*)pFont;
}
IBrush* GetBrush()
{
CWmfBrush* pBrush = m_pDC->GetBrush();
if (!pBrush)
return NULL;
return (IBrush*)pBrush;
}
IPen* GetPen()
{
CWmfPen* pPen = m_pDC->GetPen();
if (!pPen)
return NULL;
return (IPen*)pPen;
}
unsigned int GetTextAlign()
{
return (unsigned int)m_pDC->GetTextAlign();
}
unsigned int GetTextBgMode()
{
return (unsigned int)m_pDC->GetTextBgMode();
}
int GetTextBgColor()
{
TWmfColor& oColor = m_pDC->GetTextBgColor();
return METAFILE_RGBA(oColor.r, oColor.g, oColor.b);
}
unsigned int GetFillMode()
{
return (unsigned int)m_pDC->GetPolyFillMode();
}
TPointD GetCurPos()
{
TPointL oPoint = m_pDC->GetCurPos();
double dX, dY;
TranslatePoint(oPoint.x, oPoint.y, dX, dY);
return TPointD(dX, dY);
}
TXForm* GetInverseTransform()
{
return m_pDC->GetInverseTransform();
}
TXForm* GetTransform()
{
return m_pDC->GetTransform();
}
unsigned int GetMiterLimit()
{
return m_pDC->GetMiterLimit();
}
unsigned int GetRop2Mode()
{
return (unsigned int)m_pDC->GetRop2Mode();
}
IClip* GetClip()
{
CWmfClip* pClip = m_pDC->GetClip();
if (!pClip)
return NULL;
return (IClip*)pClip;
}
int GetCharSpace()
{
return m_pDC->GetCharSpacing();
}
private:
void TranslatePoint(short shX, short shY, double& dX, double &dY)
{
TWmfWindow* pWindow = m_pDC->GetWindow();
TWmfWindow* pViewport = m_pDC->GetViewport();
dX = (double)((double)(shX - pWindow->x) * m_pDC->GetPixelWidth()) + pViewport->x;
dY = (double)((double)(shY - pWindow->y) * m_pDC->GetPixelHeight()) + pViewport->y;
// Координаты приходят уже с примененной матрицей. Поэтому сначала мы умножаем на матрицу преобразования,
// вычитаем начальные координаты и умножаем на обратную матрицу преобразования.
TRect* pBounds = GetDCBounds();
double dT = pBounds->nTop;
double dL = pBounds->nLeft;
TEmfXForm* pInverse = GetInverseTransform();
TEmfXForm* pTransform = GetTransform();
pTransform->Apply(dX, dY);
dX -= dL;
dY -= dT;
pInverse->Apply(dX, dY);
}
TRect GetBoundingBox()
{
TRect oBB;
if (IsPlaceable())
{
oBB = m_oPlaceable.BoundingBox;
// Иногда m_oPlaceable.BoundingBox задается нулевой ширины и высоты
if (abs(oBB.nRight - oBB.nLeft) <= 1)
{
oBB.nRight = m_oBoundingBox.nRight;
oBB.nLeft = m_oBoundingBox.nLeft;
}
if (abs(oBB.nBottom - oBB.nTop) <= 1)
{
oBB.nTop = m_oBoundingBox.nTop;
oBB.nBottom = m_oBoundingBox.nBottom;
}
}
else
oBB = m_oBoundingBox;
if (abs(oBB.nRight - oBB.nLeft) <= 1)
oBB.nRight = oBB.nLeft + 1024;
if (abs(oBB.nBottom - oBB.nTop) <= 1)
oBB.nBottom = m_oBoundingBox.nTop + 1024;
return oBB;
}
bool IsPlaceable()
{
return (0x9AC6CDD7 == m_oPlaceable.Key);
}
int GetRecordRemainingBytesCount()
{
unsigned int unReadedSize = m_oStream.Tell() - m_unRecordPos;
return (m_unRecordSize - unReadedSize);
}
inline double GetSweepAngle(const double& dStartAngle, const double& dEndAngle)
{
return (dEndAngle - dStartAngle) - 360;
}
void MoveTo(short shX, short shY)
{
if (m_pOutput)
{
double dX, dY;
TranslatePoint(shX, shY, dX, dY);
m_pOutput->MoveTo(dX, dY);
}
else
{
RegisterPoint(shX, shY);
}
m_pDC->SetCurPos(shX, shY);
}
void LineTo(short shX, short shY)
{
if (m_pOutput)
{
double dX, dY;
TranslatePoint(shX, shY, dX, dY);
m_pOutput->LineTo(dX, dY);
}
else
{
RegisterPoint(shX, shY);
}
m_pDC->SetCurPos(shX, shY);
}
void ArcTo(short shL, short shT, short shR, short shB, double dStart, double dSweep)
{
// Тут не делаем пересчет текущей точки, т.к. при вызове данной функции не всегда он нужен (например эллипс).
// Текущая точка обновляется на том уровне, на котором вызывалась данная функция.
if (m_pOutput)
{
double dL, dT, dR, dB;
TranslatePoint(shL, shT, dL, dT);
TranslatePoint(shR, shB, dR, dB);
m_pOutput->ArcTo(dL, dT, dR, dB, dStart, dSweep);
}
else
{
// TODO: Возможно нужно регистрировать более точно
RegisterPoint(shL, shT);
RegisterPoint(shR, shB);
}
}
void ClosePath()
{
if (m_pOutput)
{
m_pOutput->ClosePath();
}
}
void DrawPath(bool bStroke, bool bFill)
{
if (m_pOutput)
{
int lType = (bStroke ? 1 : 0) + (bFill ? 2 : 0);
m_pOutput->DrawPath(lType);
m_pOutput->EndPath();
}
}
void DrawText(const unsigned char* pString, unsigned int unCharsCount, short _shX, short _shY, short* pDx)
{
int nX = _shX;
int nY = _shY;
if (m_pDC->GetTextAlign() & TA_UPDATECP)
{
nX = m_pDC->GetCurPos().x;
nY = m_pDC->GetCurPos().y;
}
IFont* pFont = GetFont();
NSStringExt::CConverter::ESingleByteEncoding eCharSet = NSStringExt::CConverter::ESingleByteEncoding::SINGLE_BYTE_ENCODING_DEFAULT;;
if (pFont)
{
// Соответствие Charset -> Codepage: http://support.microsoft.com/kb/165478
// http://msdn.microsoft.com/en-us/library/cc194829.aspx
// Charset Name Charset Value(hex) Codepage number
// ------------------------------------------------------
//
// DEFAULT_CHARSET 1 (x01)
// SYMBOL_CHARSET 2 (x02)
// OEM_CHARSET 255 (xFF)
// ANSI_CHARSET 0 (x00) 1252
// RUSSIAN_CHARSET 204 (xCC) 1251
// EASTEUROPE_CHARSET 238 (xEE) 1250
// GREEK_CHARSET 161 (xA1) 1253
// TURKISH_CHARSET 162 (xA2) 1254
// BALTIC_CHARSET 186 (xBA) 1257
// HEBREW_CHARSET 177 (xB1) 1255
// ARABIC _CHARSET 178 (xB2) 1256
// SHIFTJIS_CHARSET 128 (x80) 932
// HANGEUL_CHARSET 129 (x81) 949
// GB2313_CHARSET 134 (x86) 936
// CHINESEBIG5_CHARSET 136 (x88) 950
// THAI_CHARSET 222 (xDE) 874
// JOHAB_CHARSET 130 (x82) 1361
// VIETNAMESE_CHARSET 163 (xA3) 1258
switch (pFont->GetCharSet())
{
default:
case DEFAULT_CHARSET: eCharSet = NSStringExt::CConverter::ESingleByteEncoding::SINGLE_BYTE_ENCODING_DEFAULT; break;
case SYMBOL_CHARSET: eCharSet = NSStringExt::CConverter::ESingleByteEncoding::SINGLE_BYTE_ENCODING_DEFAULT; break;
case ANSI_CHARSET: eCharSet = NSStringExt::CConverter::ESingleByteEncoding::SINGLE_BYTE_ENCODING_CP1252; break;
case RUSSIAN_CHARSET: eCharSet = NSStringExt::CConverter::ESingleByteEncoding::SINGLE_BYTE_ENCODING_CP1251; break;
case EASTEUROPE_CHARSET: eCharSet = NSStringExt::CConverter::ESingleByteEncoding::SINGLE_BYTE_ENCODING_CP1250; break;
case GREEK_CHARSET: eCharSet = NSStringExt::CConverter::ESingleByteEncoding::SINGLE_BYTE_ENCODING_CP1253; break;
case TURKISH_CHARSET: eCharSet = NSStringExt::CConverter::ESingleByteEncoding::SINGLE_BYTE_ENCODING_CP1254; break;
case BALTIC_CHARSET: eCharSet = NSStringExt::CConverter::ESingleByteEncoding::SINGLE_BYTE_ENCODING_CP1257; break;
case HEBREW_CHARSET: eCharSet = NSStringExt::CConverter::ESingleByteEncoding::SINGLE_BYTE_ENCODING_CP1255; break;
case ARABIC_CHARSET: eCharSet = NSStringExt::CConverter::ESingleByteEncoding::SINGLE_BYTE_ENCODING_CP1256; break;
case SHIFTJIS_CHARSET: eCharSet = NSStringExt::CConverter::ESingleByteEncoding::SINGLE_BYTE_ENCODING_CP932; break;
case HANGEUL_CHARSET: eCharSet = NSStringExt::CConverter::ESingleByteEncoding::SINGLE_BYTE_ENCODING_CP949; break;
case 134/*GB2313_CHARSET*/: eCharSet = NSStringExt::CConverter::ESingleByteEncoding::SINGLE_BYTE_ENCODING_CP936; break;
case CHINESEBIG5_CHARSET: eCharSet = NSStringExt::CConverter::ESingleByteEncoding::SINGLE_BYTE_ENCODING_CP950; break;
case THAI_CHARSET: eCharSet = NSStringExt::CConverter::ESingleByteEncoding::SINGLE_BYTE_ENCODING_CP874; break;
case JOHAB_CHARSET: eCharSet = NSStringExt::CConverter::ESingleByteEncoding::SINGLE_BYTE_ENCODING_CP1361; break;
case VIETNAMESE_CHARSET: eCharSet = NSStringExt::CConverter::ESingleByteEncoding::SINGLE_BYTE_ENCODING_CP1258; break;
}
}
std::wstring wsText = NSStringExt::CConverter::GetUnicodeFromSingleByteString((const unsigned char*)pString, (long)unCharsCount, eCharSet);
if (m_pOutput)
{
double dX, dY;
TranslatePoint(nX, nY, dX, dY);
double* pdDx = NULL;
if (NULL != pDx)
{
pdDx = new double[unCharsCount];
if (pdDx)
{
int nCurX = nX;
double dCurX = dX;
for (unsigned int unCharIndex = 0; unCharIndex < unCharsCount; unCharIndex++)
{
int nX1 = nCurX + pDx[unCharIndex];
double dX1, dY1;
TranslatePoint(nX1, nY, dX1, dY1);
pdDx[unCharIndex] = dX1 - dCurX;
nCurX = nX1;
dCurX = dX1;
}
}
}
m_pOutput->DrawString(wsText, unCharsCount, dX, dY, pdDx);
if (pdDx)
delete[] pdDx;
}
else
{
// TODO: Здесь идет точное повторение кода из CMetaFileRenderer->DrawString
// неплохо бы перенести этот пересчет в базовый класс IMetaFileBase.
CFontManager* pFontManager = GetFontManager();
if (pFont && pFontManager)
{
int lLogicalFontHeight = pFont->GetHeight();
if (lLogicalFontHeight < 0)
lLogicalFontHeight = -lLogicalFontHeight;
if (lLogicalFontHeight < 0.01)
lLogicalFontHeight = 18;
double dFontHeight = lLogicalFontHeight;
std::wstring wsFaceName = pFont->GetFaceName();
int lStyle = 0;
if (pFont->GetWeight() > 550)
lStyle |= 0x01;
if (pFont->IsItalic())
lStyle |= 0x02;
float fL = 0, fT = 0, fW = 0, fH = 0;
pFontManager->LoadFontByName(wsFaceName, dFontHeight, lStyle, 72, 72);
pFontManager->SetCharSpacing(GetCharSpace());
double dFHeight = dFontHeight * pFontManager->m_pFont->GetHeight() / pFontManager->m_pFont->m_lUnits_Per_Em;
double dFDescent = dFontHeight * pFontManager->m_pFont->GetDescender() / pFontManager->m_pFont->m_lUnits_Per_Em;
double dFAscent = dFHeight - std::abs(dFDescent);
if (NULL != pDx && unCharsCount > 1)
{
// Тогда мы складываем все pDx кроме последнего символа, последний считаем отдельно
double dTempTextW = 0;
for (unsigned int unCharIndex = 0; unCharIndex < unCharsCount - 1; unCharIndex++)
{
dTempTextW += pDx[unCharIndex];
}
std::wstring wsTempText;
wsTempText += wsText.at(wsText.length() - 1);
//wsTempText += wsText.at(unCharsCount - 1);
pFontManager->LoadString1(wsTempText, 0, 0);
TBBox oBox = pFontManager->MeasureString2();
dTempTextW += (oBox.fMaxX - oBox.fMinX);
fL = 0;
fW = (float)dTempTextW;
}
else
{
pFontManager->LoadString1(wsText, 0, 0);
TBBox oBox = pFontManager->MeasureString2();
fL = (float)(oBox.fMinX);
fW = (float)(oBox.fMaxX - oBox.fMinX);
}
pFontManager->LoadString1(wsText, 0, 0);
TBBox oBox = pFontManager->MeasureString2();
fL = (float)(oBox.fMinX);
fW = (float)(oBox.fMaxX - oBox.fMinX);
fT = (float)-dFAscent;
fH = (float)dFHeight;
double dTheta = -((((double)pFont->GetEscapement()) / 10) * 3.14159265358979323846 / 180);
double dCosTheta = (float)cos(dTheta);
double dSinTheta = (float)sin(dTheta);
double dX = (double)nX;
double dY = (double)nY;
// Найдем начальную точку текста
unsigned int ulTextAlign = GetTextAlign();
if (ulTextAlign & TA_BASELINE)
{
// Ничего не делаем
}
else if (ulTextAlign & TA_BOTTOM)
{
float fTemp = -(-fT + fH);
dX += -fTemp * dSinTheta;
dY += fTemp * dCosTheta;
}
else // if (ulTextAlign & TA_TOP)
{
float fTemp = -fT;
dX += -fTemp * dSinTheta;
dY += fTemp * dCosTheta;
}
if (ulTextAlign & TA_CENTER)
{
dX += -fW / 2 * dCosTheta;
dY += -fW / 2 * dSinTheta;
}
else if (ulTextAlign & TA_RIGHT)
{
dX += -fW * dCosTheta;
dY += -fW * dSinTheta;
}
else //if (ulTextAlign & TA_LEFT)
{
// Ничего не делаем
}
double dX0 = dX + fL, dY0 = dY + fT;
double dX1 = dX + fL + fW, dY1 = dY + fT;
double dX2 = dX + fL + fW, dY2 = dY + fT + fH;
double dX3 = dX + fL, dY3 = dY + fT + fH;
if (0 != pFont->GetEscapement())
{
TXForm oForm(dCosTheta, dSinTheta, -dSinTheta, dCosTheta, dX - dX * dCosTheta + dY * dSinTheta, dY - dX * dSinTheta - dY * dCosTheta);
oForm.Apply(dX0, dY0);
oForm.Apply(dX1, dY1);
oForm.Apply(dX2, dY2);
oForm.Apply(dX3, dY3);
}
RegisterPoint((short)dX0, (short)dY0);
RegisterPoint((short)dX1, (short)dY1);
RegisterPoint((short)dX2, (short)dY2);
RegisterPoint((short)dX3, (short)dY3);
}
else
{
RegisterPoint(nX, nY);
}
}
if (NULL != pDx)
{
int nTextW = 0;
for (unsigned int unCharIndex = 0; unCharIndex < unCharsCount; unCharIndex++)
{
nTextW += pDx[unCharIndex];
}
m_pDC->SetCurPos(nX + nTextW, nY);
}
else
m_pDC->SetCurPos(nX, nY);
}
void RegisterPoint(short shX, short shY)
{
if (m_bFirstPoint)
{
m_oBoundingBox.nLeft = shX;
m_oBoundingBox.nRight = shX;
m_oBoundingBox.nTop = shY;
m_oBoundingBox.nBottom = shY;
m_bFirstPoint = false;
}
else
{
if (shX < m_oBoundingBox.nLeft)
m_oBoundingBox.nLeft = shX;
else if (shX > m_oBoundingBox.nRight)
m_oBoundingBox.nRight = shX;
if (shY < m_oBoundingBox.nTop)
m_oBoundingBox.nTop = shY;
else if (shY > m_oBoundingBox.nBottom)
m_oBoundingBox.nBottom = shY;
}
}
bool ReadImage(unsigned short ushColorUsage, BYTE** ppBgraBuffer, unsigned int* pulWidth, unsigned int* pulHeight)
{
unsigned int unRemainBytes = GetRecordRemainingBytesCount();
if (unRemainBytes <= 0)
return false;
BYTE* pBuffer = m_oStream.GetCurPtr();
MetaFile::ReadImage(pBuffer, unRemainBytes, ushColorUsage, ppBgraBuffer, pulWidth, pulHeight);
return true;
}
void DrawImage(int nX, int nY, int nW, int nH, unsigned int unColorUsage, unsigned int unRasterOperation)
{
if (m_pOutput)
{
BYTE* pBgra = NULL;
unsigned int unWidth, unHeight;
if (ReadImage(unColorUsage, &pBgra, &unWidth, &unHeight))
{
ProcessRasterOperation(unRasterOperation, &pBgra, unWidth, unHeight);
double dX, dY, dX1, dY1;
TranslatePoint(nX, nY, dX, dY);
TranslatePoint(nX + nW, nY + nH, dX1, dY1);
m_pOutput->DrawBitmap(dX, dY, fabs(dX1 - dX), fabs(dY1 - dY), pBgra, unWidth, unHeight);
}
if (pBgra)
delete[] pBgra;
int nRemainingBytes = GetRecordRemainingBytesCount();
if (nRemainingBytes < 0)
return SetError();
}
else
{
RegisterPoint(nX, nY);
RegisterPoint(nX + nW, nY + nH);
}
}
void UpdateOutputDC()
{
if (m_pOutput)
m_pOutput->UpdateDC();
}
void Read_META_UNKNOWN()
{
}
void Read_META_UNSUPPORTED()
{
// META_EXTFLOODFILL
// META_FLOODFILL
// META_ANIMATEPALETTE
// META_REALIZEPALETTE
// META_RESIZEPALETTE
// META_SETMAPPERFLAGS
// META_SETPALENTRIES
}
void Read_META_HEADER()
{
m_oStream >> m_oPlaceable.Key;
if (0x9AC6CDD7 == m_oPlaceable.Key)
{
m_oStream >> m_oPlaceable.HWmf;
m_oStream >> m_oPlaceable.BoundingBox;
m_oStream >> m_oPlaceable.Inch;
m_oStream >> m_oPlaceable.Reserved;
m_oStream >> m_oPlaceable.Checksum;
}
else
{
m_oStream.SeekBack(m_oStream.Tell());
m_oPlaceable.Key = 0;
m_oPlaceable.HWmf = 0;
m_oPlaceable.BoundingBox.Left = 0;
m_oPlaceable.BoundingBox.Top = 0;
m_oPlaceable.BoundingBox.Right = 0;
m_oPlaceable.BoundingBox.Bottom = 0;
m_oPlaceable.Inch = 0;
m_oPlaceable.Reserved = 0;
m_oPlaceable.Checksum = 0;
}
m_oStream >> m_oHeader.Type;
m_oStream >> m_oHeader.HeaderSize;
m_oStream >> m_oHeader.Version;
m_oStream >> m_oHeader.Size;
m_oStream >> m_oHeader.NumberOfObjects;
m_oStream >> m_oHeader.MaxRecord;
m_oStream >> m_oHeader.NumberOfMembers;
if (0x0001 != m_oHeader.Type && 0x0002 != m_oHeader.Type)
return SetError();
if (0x0009 != m_oHeader.HeaderSize)
return SetError();
if (0x0100 != m_oHeader.Version && 0x0300 != m_oHeader.Version)
return SetError();
// Если у нас не задан Output, значит мы считаем, что идет сканирование метафайла.
// Во время сканирования мы регистрируем все точки и вычисляем BoundingBox
if (m_pOutput)
{
m_oRect = GetBoundingBox();
m_pDC->SetWindowOff(m_oRect.nLeft, m_oRect.nTop);
m_pDC->SetWindowExt(m_oRect.nRight - m_oRect.nLeft, m_oRect.nBottom - m_oRect.nTop);
}
else
{
m_bFirstPoint = true;
}
}
void Read_META_BITBLT()
{
TWmfBitBlt oBitmap;
m_oStream >> oBitmap;
unsigned int unRecordSizeDword = m_unRecordSize >> 1;
unsigned int unValue = (META_BITBLT >> 8) + 3;
if (unRecordSizeDword == unValue)
{
m_oStream.Skip(2); // Reserved
}
else
{
if (m_pOutput)
{
TWmfBitmap16 oBitmap16;
m_oStream >> oBitmap16;
// TODO: Сделать чтение Bitmap16
}
else
{
RegisterPoint(oBitmap.XDest, oBitmap.YDest);
RegisterPoint(oBitmap.XDest + oBitmap.Width, oBitmap.YDest + oBitmap.Height);
}
int nRemainingBytes = GetRecordRemainingBytesCount();
if (nRemainingBytes < 0)
return SetError();
}
}
void Read_META_DIBBITBLT()
{
TWmfBitBlt oBitmap;
m_oStream >> oBitmap;
unsigned int unRecordSizeDword = m_unRecordSize >> 1;
unsigned int unValue = (META_DIBBITBLT >> 8) + 3;
if (unRecordSizeDword == unValue)
{
m_oStream.Skip(2); // Reserved
}
else
{
DrawImage(oBitmap.XDest, oBitmap.YDest, oBitmap.Width, oBitmap.Height, 0, oBitmap.RasterOperation);
}
}
void Read_META_DIBSTRETCHBLT()
{
TWmfStretchBlt oBitmap;
m_oStream >> oBitmap;
unsigned int unRecordSizeDWORD = m_unRecordSize >> 1;
unsigned int unValue = (META_DIBSTRETCHBLT >> 8) + 3;
if (unRecordSizeDWORD == unValue)
{
m_oStream.Skip(2); // Reserved
}
else
{
DrawImage(oBitmap.XDest, oBitmap.YDest, oBitmap.DestWidth, oBitmap.DestHeight, 0, oBitmap.RasterOperation);
}
}
void Read_META_SETDIBTODEV()
{
TWmfSetDibToDev oBitmap;
m_oStream >> oBitmap;
// TODO: Тут надо делать обрезку в зависимости от ScanCount и StartScan. Как встретится файл сделать.
DrawImage(oBitmap.xDest, oBitmap.yDest, oBitmap.Width, oBitmap.Height, oBitmap.ColorUsage, 0);
}
void Read_META_STRETCHBLT()
{
TWmfStretchBlt oBitmap;
m_oStream >> oBitmap;
unsigned int unRecordSizeDWORD = m_unRecordSize >> 1;
unsigned int unValue = (META_STRETCHBLT >> 8) + 3;
if (unRecordSizeDWORD == ((META_STRETCHBLT >> 8) + 3))
{
m_oStream.Skip(2); // Reserved
}
else
{
if (m_pOutput)
{
TWmfBitmap16 oBitmap16;
m_oStream >> oBitmap16;
// TODO: Сделать чтение Bitmap16
}
else
{
RegisterPoint(oBitmap.XDest, oBitmap.YDest);
RegisterPoint(oBitmap.XDest + oBitmap.DestWidth, oBitmap.YDest + oBitmap.DestHeight);
}
int nRemainingBytes = GetRecordRemainingBytesCount();
if (nRemainingBytes < 0)
return SetError();
}
}
void Read_META_STRETCHDIB()
{
TWmfStretchDib oBitmap;
m_oStream >> oBitmap;
DrawImage(oBitmap.xDst, oBitmap.yDst, oBitmap.DestWidth, oBitmap.DestHeight, oBitmap.ColorUsage, oBitmap.RasterOperation);
}
void Read_META_ARC()
{
short shYEndArc, shXEndArc, shYStartArc, shXStartArc, shBottom, shRight, shTop, shLeft;
m_oStream >> shYEndArc >> shXEndArc >> shYStartArc >> shXStartArc >> shBottom >> shRight >> shTop >> shLeft;
double dStartAngle = GetEllipseAngle((int)shLeft, (int)shTop, (int)shRight, (int)shBottom, (int)shXStartArc, (int)shYStartArc);
double dEndAngle = GetEllipseAngle((int)shLeft, (int)shTop, (int)shRight, (int)shBottom, (int)shXEndArc, (int)shYEndArc);
double dSweepAngle = GetSweepAngle(dStartAngle, dEndAngle);
m_pDC->SetCurPos(shXStartArc, shYStartArc);
ArcTo(shLeft, shTop, shRight, shBottom, dStartAngle, dSweepAngle);
DrawPath(true, false);
m_pDC->SetCurPos(shXEndArc, shYEndArc);
}
void Read_META_CHORD()
{
short shYEndArc, shXEndArc, shYStartArc, shXStartArc, shBottom, shRight, shTop, shLeft;
m_oStream >> shYEndArc >> shXEndArc >> shYStartArc >> shXStartArc >> shBottom >> shRight >> shTop >> shLeft;
double dStartAngle = GetEllipseAngle((int)shLeft, (int)shTop, (int)shRight, (int)shBottom, (int)shXStartArc, (int)shYStartArc);
double dEndAngle = GetEllipseAngle((int)shLeft, (int)shTop, (int)shRight, (int)shBottom, (int)shXEndArc, (int)shYEndArc);
double dSweepAngle = GetSweepAngle(dStartAngle, dEndAngle);
MoveTo(shXStartArc, shYStartArc);
ArcTo(shLeft, shTop, shRight, shBottom, dStartAngle, dSweepAngle);
LineTo(shXStartArc, shYStartArc);
DrawPath(true, true);
m_pDC->SetCurPos(shXEndArc, shYEndArc);
}
void Read_META_ELLIPSE()
{
short shBottom, shRight, shTop, shLeft;
m_oStream >> shBottom >> shRight >> shTop >> shLeft;
ArcTo(shLeft, shTop, shRight, shBottom, 0, 360);
DrawPath(true, true);
m_pDC->SetCurPos((shLeft + shRight) / 2, (shTop + shBottom) / 2);
}
void Read_META_EXTTEXTOUT()
{
short shY, shX, shStringLength;
unsigned short ushFwOptions;
TWmfRect oRectangle;
m_oStream >> shY >> shX >> shStringLength >> ushFwOptions;
if (shStringLength <= 0)
return;
if (ushFwOptions & ETO_CLIPPED || ushFwOptions & ETO_OPAQUE)
m_oStream >> oRectangle;
unsigned char* pString = new unsigned char[shStringLength + 1];
if (!pString)
return SetError();
pString[shStringLength] = 0x00;
m_oStream.ReadBytes(pString, shStringLength);
short* pDx = NULL;
if (shStringLength > 1 && ((GetRecordRemainingBytesCount() >= shStringLength * 2 && !(ushFwOptions & ETO_PDY)) || (GetRecordRemainingBytesCount() >= shStringLength * 4 && ushFwOptions & ETO_PDY)))
{
if (shStringLength & 1) // Если длина нечетная, тогда пропускаем 1 байт, т.к. тут прилегание по 2 байта
m_oStream.Skip(1);
pDx = new short[shStringLength];
if (pDx)
{
if (ushFwOptions & ETO_PDY)
{
for (short shIndex = 0; shIndex < shStringLength; shIndex++)
{
m_oStream >> pDx[shIndex];
m_oStream.Skip(2);
}
}
else
{
for (short shIndex = 0; shIndex < shStringLength; shIndex++)
{
m_oStream >> pDx[shIndex];
}
}
}
}
DrawText(pString, shStringLength, shX, shY, pDx);
if (pString)
delete[] pString;
if (pDx)
delete[] pDx;
}
void Read_META_FILLREGION()
{
unsigned short ushRegionIndex, ushBrushIndex;
m_oStream >> ushRegionIndex >> ushBrushIndex;
// TODO: Реализовать регионы
}
void Read_META_FRAMEREGION()
{
unsigned short ushRegionIndex, ushBrushIndex;
short shHeight, shWidth;
m_oStream >> ushRegionIndex >> ushBrushIndex >> shHeight >> shWidth;
// TODO: Реализовать регионы
}
void Read_META_INVERTREGION()
{
unsigned short ushRegionIndex;
m_oStream >> ushRegionIndex;
// TODO: Реализовать регионы
}
void Read_META_LINETO()
{
short shY, shX;
m_oStream >> shY >> shX;
LineTo(shX, shY);
DrawPath(true, false);
}
void Read_META_PAINTREGION()
{
unsigned short ushRegionIndex;
m_oStream >> ushRegionIndex;
// TODO: Реализовать регионы
}
void Read_META_PATBLT()
{
unsigned int unRasterOperation;
short shX, shY, shW, shH;
m_oStream >> unRasterOperation >> shH >> shW >> shY >> shX;
// TODO: Нужно использовать растровую операцию unRasterOperation
MoveTo(shX, shY);
LineTo(shX + shW, shY);
LineTo(shX + shW, shY + shH);
LineTo(shX, shY + shH);
ClosePath();
DrawPath(false, true);
}
void Read_META_PIE()
{
short shXRadial1, shYRadial1, shXRadial2, shYRadial2;
short shL, shT, shR, shB;
m_oStream >> shYRadial2 >> shXRadial2 >> shYRadial1 >> shXRadial1;
m_oStream >> shB >> shR >> shT >> shL;
double dStartAngle = GetEllipseAngle(shL, shT, shR, shB, shXRadial1, shYRadial1);
double dEndAngle = GetEllipseAngle(shL, shT, shR, shB, shXRadial2, shYRadial2);
double dSweepAngle = GetSweepAngle(dStartAngle, dEndAngle);
short shCenterX = (shL + shR) / 2;
short shCenterY = (shT + shB) / 2;
MoveTo(shCenterX, shCenterY);
LineTo(shXRadial1, shYRadial1);
ArcTo(shL, shT, shR, shB, dStartAngle, dSweepAngle);
LineTo(shCenterX, shCenterY);
DrawPath(true, true);
}
void Read_META_POLYLINE()
{
short shNumberOfPoints;
m_oStream >> shNumberOfPoints;
if (shNumberOfPoints < 1)
return;
TWmfPointS oPoint;
m_oStream >> oPoint;
MoveTo(oPoint.x, oPoint.y);
for (short shIndex = 1; shIndex < shNumberOfPoints; shIndex++)
{
m_oStream >> oPoint;
LineTo(oPoint.x, oPoint.y);
}
DrawPath(true, false);
}
void Read_META_POLYGON()
{
short shNumberOfPoints;
m_oStream >> shNumberOfPoints;
if (shNumberOfPoints < 1)
return;
TWmfPointS oPoint;
m_oStream >> oPoint;
MoveTo(oPoint.x, oPoint.y);
for (short shIndex = 1; shIndex < shNumberOfPoints; shIndex++)
{
m_oStream >> oPoint;
LineTo(oPoint.x, oPoint.y);
}
ClosePath();
DrawPath(true, true);
}
void Read_META_POLYPOLYGON()
{
unsigned short ushNumberOfPolygons;
m_oStream >> ushNumberOfPolygons;
if (ushNumberOfPolygons <= 0)
return;
unsigned short* pushPointsPerPolygon = new unsigned short[ushNumberOfPolygons];
if (!pushPointsPerPolygon)
return SetError();
for (unsigned short ushIndex = 0; ushIndex < ushNumberOfPolygons; ushIndex++)
{
m_oStream >> pushPointsPerPolygon[ushIndex];
}
for (unsigned short ushPolygonIndex = 0; ushPolygonIndex < ushNumberOfPolygons; ushPolygonIndex++)
{
unsigned short ushPointsCount = pushPointsPerPolygon[ushPolygonIndex];
if (ushPointsCount <= 0)
continue;
TWmfPointS oPoint;
m_oStream >> oPoint;
MoveTo(oPoint.x, oPoint.y);
for (unsigned short ushPointIndex = 1; ushPointIndex < ushPointsCount; ushPointIndex++)
{
m_oStream >> oPoint;
LineTo(oPoint.x, oPoint.y);
}
ClosePath();
}
DrawPath(true, true);
delete[] pushPointsPerPolygon;
}
void Read_META_RECTANGLE()
{
short shL, shT, shR, shB;
m_oStream >> shB >> shR >> shT >> shL;
MoveTo(shL, shT);
LineTo(shR, shT);
LineTo(shR, shB);
LineTo(shL, shB);
ClosePath();
DrawPath(true, true);
m_pDC->SetCurPos((shL + shR) / 2, (shT + shB) / 2);
}
void Read_META_ROUNDRECT()
{
short shL, shT, shR, shB, shW, shH;
m_oStream >> shH >> shW >> shB >> shR >> shT >> shL;
MoveTo(shL + shW, shT);
LineTo(shR - shW, shT);
ArcTo(shR - shW, shT, shR, shT + shH, 270, 90);
LineTo(shR, shB - shH);
ArcTo(shR - shW, shB - shH, shR, shB, 0, 90);
LineTo(shL + shW, shB);
ArcTo(shL, shB - shH, shL + shW, shB, 90, 90);
LineTo(shL, shT + shH);
ArcTo(shL, shT, shL + shW, shT + shH, 180, 90);
ClosePath();
DrawPath(true, true);
}
void Read_META_SETPIXEL()
{
TWmfColor oColor;
short shX, shY;
m_oStream >> oColor >> shY >> shX;
BYTE pBgraBuffer[4];
pBgraBuffer[0] = oColor.b;
pBgraBuffer[1] = oColor.g;
pBgraBuffer[2] = oColor.r;
pBgraBuffer[3] = 0xff;
if (m_pOutput)
m_pOutput->DrawBitmap(shX, shY, 1, 1, pBgraBuffer, 1, 1);
}
void Read_META_TEXTOUT()
{
short shStringLength;
m_oStream >> shStringLength;
if (shStringLength <= 0)
return;
unsigned char* pString = new unsigned char[shStringLength + 1];
if (!pString)
return SetError();
pString[shStringLength] = 0x00;
m_oStream.ReadBytes(pString, shStringLength);
if (shStringLength & 1)
m_oStream.Skip(1);
short shX, shY;
m_oStream >> shY >> shX;
DrawText(pString, shStringLength, shX, shY, NULL);
delete[] pString;
}
void Read_META_CREATEBRUSHINDIRECT()
{
TWmfLogBrush oLogBrush;
m_oStream >> oLogBrush;
CWmfBrush* pBrush = new CWmfBrush(oLogBrush);
if (!pBrush)
return SetError();
m_oPlayer.RegisterObject((CWmfObjectBase*)pBrush);
}
void Read_META_CREATEFONTINDIRECT()
{
CWmfFont* pFont = new CWmfFont();
if (!pFont)
return SetError();
m_oStream >> pFont;
m_oPlayer.RegisterObject((CWmfObjectBase*)pFont);
}
void Read_META_CREATEPALETTE()
{
CWmfPalette* pPalette = new CWmfPalette();
if (!pPalette)
return SetError();
m_oStream >> pPalette;
m_oPlayer.RegisterObject((CWmfObjectBase*)pPalette);
}
void Read_META_CREATEPATTERNBRUSH()
{
CWmfBrush* pBrush = new CWmfBrush();
if (!pBrush)
return SetError();
m_oPlayer.RegisterObject((CWmfObjectBase*)pBrush);
if (m_pOutput)
{
TWmfBitmap16 oBitmap16;
m_oStream >> oBitmap16;
// TODO: Сделать чтение Bitmap16
}
}
void Read_META_CREATEPENINDIRECT()
{
CWmfPen* pPen = new CWmfPen();
if (!pPen)
return SetError();
m_oStream >> pPen;
m_oPlayer.RegisterObject((CWmfObjectBase*)pPen);
}
void Read_META_CREATEREGION()
{
CWmfRegion* pRegion = new CWmfRegion();
if (!pRegion)
return SetError();
m_oStream >> pRegion;
m_oPlayer.RegisterObject((CWmfObjectBase*)pRegion);
}
void Read_META_DELETEOBJECT()
{
unsigned short ushIndex;
m_oStream >> ushIndex;
m_oPlayer.DeleteObject(ushIndex);
UpdateOutputDC();
}
void Read_META_DIBCREATEPATTERNBRUSH()
{
unsigned short ushStyle, ushColorUsage;
m_oStream >> ushStyle >> ushColorUsage;
CWmfBrush* pBrush = new CWmfBrush();
if (!pBrush)
return SetError();
if (m_pOutput)
{
BYTE* pBgra = NULL;
unsigned int unWidth, unHeight;
if (ReadImage(ushColorUsage, &pBgra, &unWidth, &unHeight))
{
pBrush->SetDibPattern(pBgra, unWidth, unHeight);
}
}
m_oPlayer.RegisterObject((CWmfObjectBase*)pBrush);
}
void Read_META_SELECTCLIPREGION()
{
unsigned short ushIndex;
m_oStream >> ushIndex;
// Тут просто сбрасываем текущий клип. Ничего не добавляем в клип, т.е. реализовать регионы с
// текущим интерфейсом рендерера невозможно.
m_pDC->GetClip()->Reset();
UpdateOutputDC();
}
void Read_META_SELECTOBJECT()
{
unsigned short ushIndex;
m_oStream >> ushIndex;
m_oPlayer.SelectObject(ushIndex);
UpdateOutputDC();
}
void Read_META_SELECTPALETTE()
{
unsigned short ushIndex;
m_oStream >> ushIndex;
m_oPlayer.SelectPalette(ushIndex);
UpdateOutputDC();
}
void Read_META_EXCLUDECLIPRECT()
{
short shLeft, shTop, shRight, shBottom;
m_oStream >> shBottom >> shRight >> shTop >> shLeft;
double dL, dT, dR, dB;
// Поскольку мы реализовываем данный тип клипа с помощью разницы внешнего ректа и заданного, и
// пересечением с полученной областью, то нам надо вычесть границу заданного ректа.
if (shLeft < shRight)
{
shLeft--;
shRight++;
}
else
{
shLeft++;
shRight--;
}
if (shTop < shBottom)
{
shTop--;
shBottom++;
}
else
{
shTop++;
shBottom--;
}
TranslatePoint(shLeft, shTop, dL, dT);
TranslatePoint(shRight, shBottom, dR, dB);
TWmfWindow* pWindow = m_pDC->GetWindow();
double dWindowL, dWindowT, dWindowR, dWindowB;
TranslatePoint(pWindow->x, pWindow->y, dWindowL, dWindowT);
TranslatePoint(pWindow->x + pWindow->w, pWindow->y + pWindow->h, dWindowR, dWindowB);
m_pDC->GetClip()->Exclude(dL, dT, dR, dB, dWindowL, dWindowT, dWindowR, dWindowB);
UpdateOutputDC();
}
void Read_META_INTERSECTCLIPRECT()
{
short shLeft, shTop, shRight, shBottom;
m_oStream >> shBottom >> shRight >> shTop >> shLeft;
double dL, dT, dR, dB;
TranslatePoint(shLeft, shTop, dL, dT);
TranslatePoint(shRight, shBottom, dR, dB);
m_pDC->GetClip()->Intersect(dL, dT, dR, dB);
UpdateOutputDC();
}
void Read_META_MOVETO()
{
short shX, shY;
m_oStream >> shY >> shX;
MoveTo(shX, shY);
}
void Read_META_OFFSETCLIPRGN()
{
short shOffsetX, shOffsetY;
m_oStream >> shOffsetY >> shOffsetX;
// TODO: Реализовать
UpdateOutputDC();
}
void Read_META_OFFSETVIEWPORTORG()
{
short shXOffset, shYOffset;
m_oStream >> shYOffset >> shXOffset;
m_pDC->SetViewportOff(shXOffset, shYOffset);
UpdateOutputDC();
}
void Read_META_OFFSETWINDOWORG()
{
short shXOffset, shYOffset;
m_oStream >> shYOffset >> shXOffset;
m_pDC->SetWindowOff(shXOffset, shYOffset);
UpdateOutputDC();
}
void Read_META_RESTOREDC()
{
m_pDC = m_oPlayer.RestoreDC();
UpdateOutputDC();
}
void Read_META_SAVEDC()
{
m_pDC = m_oPlayer.SaveDC();
UpdateOutputDC();
}
void Read_META_SCALEVIEWPORTEXT()
{
short yDenom, yNum, xDenom, xNum;
m_oStream >> yDenom >> yNum >> xDenom >> xNum;
m_pDC->SetViewportScale((double)xNum / (double)xDenom, (double)yNum / (double)xDenom);
UpdateOutputDC();
}
void Read_META_SCALEWINDOWEXT()
{
short yDenom, yNum, xDenom, xNum;
m_oStream >> yDenom >> yNum >> xDenom >> xNum;
m_pDC->SetWindowScale((double)xNum / (double)xDenom, (double)yNum / (double)xDenom);
UpdateOutputDC();
}
void Read_META_SETBKCOLOR()
{
TWmfColor oColor;
m_oStream >> oColor;
m_pDC->SetTextBgColor(oColor);
UpdateOutputDC();
}
void Read_META_SETBKMODE()
{
unsigned short ushMode;
m_oStream >> ushMode;
m_pDC->SetTextBgMode(ushMode);
UpdateOutputDC();
}
void Read_META_SETLAYOUT()
{
unsigned short ushLayout, ushReserved;
m_oStream >> ushLayout >> ushReserved;
m_pDC->SetLayout(ushLayout);
UpdateOutputDC();
}
void Read_META_SETMAPMODE()
{
unsigned short ushMapMode;
m_oStream >> ushMapMode;
m_pDC->SetMapMode(ushMapMode);
UpdateOutputDC();
}
void Read_META_SETPOLYFILLMODE()
{
unsigned short ushMode;
m_oStream >> ushMode;
m_pDC->SetPolyFillMode(ushMode);
UpdateOutputDC();
}
void Read_META_SETROP2()
{
unsigned short ushMode;
m_oStream >> ushMode;
m_pDC->SetRop2Mode(ushMode);
UpdateOutputDC();
}
void Read_META_SETSTRETCHBLTMODE()
{
unsigned short ushMode;
m_oStream >> ushMode;
m_pDC->SetStretchBltMode(ushMode);
UpdateOutputDC();
}
void Read_META_SETTEXTALIGN()
{
unsigned short ushTextAlign;
m_oStream >> ushTextAlign;
m_pDC->SetTextAlign(ushTextAlign);
UpdateOutputDC();
}
void Read_META_SETTEXTCHAREXTRA()
{
unsigned short ushCharSpacing;
m_oStream >> ushCharSpacing;
m_pDC->SetCharSpacing(ushCharSpacing);
UpdateOutputDC();
}
void Read_META_SETTEXTCOLOR()
{
TWmfColor oColor;
m_oStream >> oColor;
m_pDC->SetTextColor(oColor);
UpdateOutputDC();
}
void Read_META_SETTEXTJUSTIFICATION()
{
unsigned short ushBreakCount, ushBreakExtra;
m_oStream >> ushBreakCount >> ushBreakExtra;
// TODO: Реализовать
UpdateOutputDC();
}
void Read_META_SETVIEWPORTEXT()
{
short shX, shY;
m_oStream >> shY >> shX;
m_pDC->SetViewportExt(shX, shY);
UpdateOutputDC();
}
void Read_META_SETVIEWPORTORG()
{
short shX, shY;
m_oStream >> shY >> shX;
m_pDC->SetViewportOrg(shX, shY);
UpdateOutputDC();
}
void Read_META_SETWINDOWEXT()
{
short shX, shY;
m_oStream >> shY >> shX;
m_pDC->SetWindowExt(shX, shY);
UpdateOutputDC();
}
void Read_META_SETWINDOWORG()
{
short shX, shY;
m_oStream >> shY >> shX;
m_pDC->SetWindowOrg(shX, shY);
UpdateOutputDC();
}
void Read_META_ESCAPE()
{
unsigned short ushEscapeFunction;
unsigned short ushByteCount;
m_oStream >> ushEscapeFunction;
m_oStream >> ushByteCount;
// TODO: Реализовать
}
private:
unsigned int m_unRecordSize;
unsigned int m_unRecordPos;
TWmfPlaceable m_oPlaceable;
TWmfHeader m_oHeader;
TRect m_oRect;
TRect m_oDCRect;
CWmfPlayer m_oPlayer;
CWmfDC* m_pDC;
TRect m_oBoundingBox;
bool m_bFirstPoint;
};
}
#endif // _METAFILE_WMF_WMFFILE_H
Reference in New Issue View Git Blame Copy Permalink