Files
core/PdfReader/Src/OutputDevice.cpp
Ilya.Kirillov eb965c1d6d Добавлен новый проект PdfReader для кроссплатформенного чтения Pdf.
git-svn-id: svn://fileserver/activex/AVS/Sources/TeamlabOffice/trunk/ServerComponents@62480 954022d7-b5bf-4e40-9824-e11837661b57
2016-05-21 00:01:53 +03:00

111 lines
3.9 KiB
C++

#include <stddef.h>
#include "Object.h"
#include "Stream.h"
#include "GState.h"
#include "OutputDevice.h"
namespace PdfReader
{
//-------------------------------------------------------------------------------------------------------------------------------
// OutputDev
//-------------------------------------------------------------------------------------------------------------------------------
void OutputDev::SetDefaultCTM(double *pCTM)
{
for (int nIndex = 0; nIndex < 6; ++nIndex)
{
m_arrDefaultCTM[nIndex] = pCTM[nIndex];
}
double dDet = 1 / (m_arrDefaultCTM[0] * m_arrDefaultCTM[3] - m_arrDefaultCTM[1] * m_arrDefaultCTM[2]);
m_arrDefaultInvCTM[0] = m_arrDefaultCTM[3] * dDet;
m_arrDefaultInvCTM[1] = -m_arrDefaultCTM[1] * dDet;
m_arrDefaultInvCTM[2] = -m_arrDefaultCTM[2] * dDet;
m_arrDefaultInvCTM[3] = m_arrDefaultCTM[0] * dDet;
m_arrDefaultInvCTM[4] = (m_arrDefaultCTM[2] * m_arrDefaultCTM[5] - m_arrDefaultCTM[3] * m_arrDefaultCTM[4]) * dDet;
m_arrDefaultInvCTM[5] = (m_arrDefaultCTM[1] * m_arrDefaultCTM[4] - m_arrDefaultCTM[0] * m_arrDefaultCTM[5]) * dDet;
}
void OutputDev::ConvertDeviceToUser(double dDevX, double dDevY, double *pdUserX, double *pdUserY)
{
*pdUserX = m_arrDefaultInvCTM[0] * dDevX + m_arrDefaultInvCTM[2] * dDevY + m_arrDefaultInvCTM[4];
*pdUserY = m_arrDefaultInvCTM[1] * dDevX + m_arrDefaultInvCTM[3] * dDevY + m_arrDefaultInvCTM[5];
}
void OutputDev::ConvertUserToDevice(double dUserX, double dUserY, int *pnDevX, int *pnDevY)
{
*pnDevX = (int)(m_arrDefaultCTM[0] * dUserX + m_arrDefaultCTM[2] * dUserY + m_arrDefaultCTM[4] + 0.5);
*pnDevY = (int)(m_arrDefaultCTM[1] * dUserX + m_arrDefaultCTM[3] * dUserY + m_arrDefaultCTM[5] + 0.5);
}
void OutputDev::UpdateAll(GrState *pGState)
{
UpdateLineDash(pGState);
UpdateFlatness(pGState);
UpdateLineJoin(pGState);
UpdateLineCap(pGState);
UpdateMiterLimit(pGState);
UpdateLineWidth(pGState);
UpdateStrokeAdjust(pGState);
UpdateFillColorSpace(pGState);
UpdateFillColor(pGState);
UpdateStrokeColorSpace(pGState);
UpdateStrokeColor(pGState);
UpdateBlendMode(pGState);
UpdateFillOpacity(pGState);
UpdateStrokeOpacity(pGState);
UpdateFillOverprint(pGState);
UpdateStrokeOverprint(pGState);
UpdateTransfer(pGState);
UpdateFont(pGState);
}
bool OutputDev::BeginType3Char(GrState *pGState, double dX, double dY, double dDx, double dDy, CharCode nCode, Unicode *pnUnicode, int nUnLen)
{
return false;
}
void OutputDev::DrawImageMask(GrState *pGState, Object *pRef, Stream *pStream, int nWidth, int nHeight, bool bInvert, bool bInlineImage)
{
if (bInlineImage)
{
pStream->Reset();
int nSize = nHeight * ((nWidth + 7) / 8);
for (int nIndex = 0; nIndex < nSize; ++nIndex)
pStream->GetChar();
pStream->Close();
}
}
void OutputDev::DrawImage(GrState *pGState, Object *pRef, Stream *pStream, int nWidth, int nHeight, GrImageColorMap *pColorMap, int *pnMaskColors, bool bInlineImage)
{
if (bInlineImage)
{
pStream->Reset();
int nSize = nHeight * ((nWidth * pColorMap->GetComponentsCount() * pColorMap->GetBitsPerComponent() + 7) / 8);
for (int nIndex = 0; nIndex < nSize; ++nIndex)
pStream->GetChar();
pStream->Close();
}
}
void OutputDev::DrawMaskedImage(GrState *pGState, Object *pRef, Stream *pStream, int nWidth, int nHeight, GrImageColorMap *pColorMap, Stream *pMaskStream, int nMaskWidth, int nMaskHeight, bool bMaskInvert)
{
DrawImage(pGState, pRef, pStream, nWidth, nHeight, pColorMap, NULL, false);
}
void OutputDev::DrawSoftMaskedImage(GrState *pGState, Object *pRef, Stream *pStream, int nWidth, int nHeight, GrImageColorMap *pColorMap, Stream *pMaskStream, int nMaskWidth, int nMaskHeight, GrImageColorMap *pMaskColorMap)
{
DrawImage(pGState, pRef, pStream, nWidth, nHeight, pColorMap, NULL, false);
}
#if OPI_SUPPORT
void OutputDev::OpiBegin(GrState *pGState, Dict *pOpiDict)
{
}
void OutputDev::OpiEnd (GrState *pGState, Dict *pOpiDict)
{
}
#endif
}