mirror of
https://github.com/ONLYOFFICE/core.git
synced 2026-07-11 03:42:47 +08:00
33caeb0f66
git-svn-id: svn://fileserver/activex/AVS/Sources/TeamlabOffice/trunk/ServerComponents@63449 954022d7-b5bf-4e40-9824-e11837661b57
107 lines
3.0 KiB
C++
107 lines
3.0 KiB
C++
#include "ContextState.h"
|
|
|
|
#ifndef xpsUnitToMM
|
|
#define xpsUnitToMM(x) ((x) * 25.4 / 96)
|
|
#endif
|
|
|
|
namespace XPS
|
|
{
|
|
CContextState::CContextState(IRenderer* pRenderer) : m_oCurrentTransform(1.0, 0.0, 0.0, 1.0, 0.0, 0.0), m_pRenderer(pRenderer), m_dCurOpacity(1.0)
|
|
{
|
|
m_lTransformStack.push_back(m_oCurrentTransform);
|
|
m_vOpacity.push_back(m_dCurOpacity);
|
|
}
|
|
CContextState::~CContextState()
|
|
{
|
|
m_vClipStack.clear();
|
|
m_lTransformStack.clear();
|
|
m_vOpacity.clear();
|
|
}
|
|
void CContextState::PushOpacity(const double& dOpacity)
|
|
{
|
|
m_dCurOpacity *= dOpacity;
|
|
m_vOpacity.push_back(m_dCurOpacity);
|
|
}
|
|
void CContextState::PopOpacity()
|
|
{
|
|
m_vOpacity.pop_back();
|
|
if (m_vOpacity.size())
|
|
m_dCurOpacity = m_vOpacity.at(m_vOpacity.size() - 1);
|
|
else
|
|
m_dCurOpacity = 1;
|
|
}
|
|
double CContextState::GetCurrentOpacity()
|
|
{
|
|
return m_dCurOpacity;
|
|
}
|
|
void CContextState::PushTransform(const double arrTransform[6])
|
|
{
|
|
Aggplus::CMatrix oTransform(arrTransform[0], arrTransform[1], arrTransform[2], arrTransform[3], arrTransform[4], arrTransform[5]);
|
|
m_oCurrentTransform.Multiply(&oTransform);
|
|
m_lTransformStack.push_back(m_oCurrentTransform);
|
|
SetTransformToRenderer();
|
|
}
|
|
void CContextState::PopTransform()
|
|
{
|
|
m_lTransformStack.pop_back();
|
|
m_oCurrentTransform = m_lTransformStack.back();
|
|
SetTransformToRenderer();
|
|
}
|
|
double CContextState::NormalizeTransform()
|
|
{
|
|
agg::trans_affine& oMatrix = m_oCurrentTransform.m_agg_mtx;
|
|
double dDet = sqrt(oMatrix.sx * oMatrix.sy - oMatrix.shx * oMatrix.shy);
|
|
|
|
oMatrix.sx /= dDet;
|
|
oMatrix.shx /= dDet;
|
|
oMatrix.sy /= dDet;
|
|
oMatrix.shy /= dDet;
|
|
|
|
SetTransformToRenderer();
|
|
|
|
return dDet;
|
|
}
|
|
void CContextState::PushClip(const CWString& wsClip)
|
|
{
|
|
m_vClipStack.push_back(wsClip);
|
|
SetClipToRenderer(wsClip);
|
|
}
|
|
void CContextState::PopClip()
|
|
{
|
|
m_vClipStack.pop_back();
|
|
if (m_pRenderer)
|
|
{
|
|
m_pRenderer->BeginCommand(c_nResetClipType);
|
|
m_pRenderer->EndCommand(c_nResetClipType);
|
|
|
|
for (int nIndex = 0, nCount = m_vClipStack.size(); nIndex < nCount; nIndex++)
|
|
{
|
|
CWString wsClip = m_vClipStack.at(nIndex);
|
|
SetClipToRenderer(wsClip);
|
|
}
|
|
}
|
|
}
|
|
void CContextState::SetTransformToRenderer()
|
|
{
|
|
if (m_pRenderer)
|
|
{
|
|
m_pRenderer->SetTransform(m_oCurrentTransform.m_agg_mtx.sx, m_oCurrentTransform.m_agg_mtx.shy,
|
|
m_oCurrentTransform.m_agg_mtx.shx, m_oCurrentTransform.m_agg_mtx.sy,
|
|
xpsUnitToMM(m_oCurrentTransform.m_agg_mtx.tx), xpsUnitToMM(m_oCurrentTransform.m_agg_mtx.ty));
|
|
}
|
|
}
|
|
void CContextState::SetClipToRenderer(const CWString& wsClip)
|
|
{
|
|
if (!wsClip.empty() && m_pRenderer)
|
|
{
|
|
m_pRenderer->PathCommandStart();
|
|
m_pRenderer->BeginCommand(c_nClipType);
|
|
m_pRenderer->BeginCommand(c_nPathType);
|
|
bool bWinding = VmlToRenderer(wsClip.c_str(), m_pRenderer);
|
|
m_pRenderer->put_ClipMode(bWinding ? c_nClipRegionTypeWinding : c_nClipRegionTypeEvenOdd);
|
|
m_pRenderer->EndCommand(c_nPathType);
|
|
m_pRenderer->EndCommand(c_nClipType);
|
|
m_pRenderer->PathCommandEnd();
|
|
}
|
|
}
|
|
} |