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This commit is contained in:
Kulikova Svetlana
2021-11-15 18:55:05 +03:00
parent 597155af11
commit ea6c30e2bd
5 changed files with 443 additions and 30 deletions
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105
DjVuFile/DjVuFileImplementation.cpp
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@ -508,11 +508,13 @@ void CDjVuFileImplementation::GetGlyphs(IRenderer* m_pRenderer, co
// m_pInternal->m_oWriter.WriteText(pTempUnicodes, (const int*)pGids, nTempUnicodesLen, x, y, w, h, m_pInternal->m_bIsChangedFontParamBetweenDrawText);
bool bIsDumpFont = false;
double dFontSize;
std::wstring sCurrentFontName; double dFontSize;
m_pRenderer->get_FontName(&sCurrentFontName);
m_pRenderer->get_FontSize(&dFontSize);
if (m_lCurrentFont || (dFontSize != m_dCurrentFontSize))
int nCurrentFont = 0;
if ((nCurrentFont != m_lCurrentFont) || (dFontSize != m_dCurrentFontSize))
{
m_lCurrentFont = 0;
m_lCurrentFont = nCurrentFont;
m_dCurrentFontSize = dFontSize;
bIsDumpFont = true;
}
@ -523,11 +525,44 @@ void CDjVuFileImplementation::GetGlyphs(IRenderer* m_pRenderer, co
double _y1 = y;
double _x2 = x + 1;
double _y2 = y;
double sx, shy, shx, sy, tx, ty, tmp;
m_pRenderer->GetTransform(&sx, &shy, &shx, &sy, &tx, &ty);
// m_pTransform->TransformPoint(_x1, _y1);
tmp = _x1;
_x1 = tmp * sx + _y1 * shx + tx;
_y1 = tmp * shy + _y1 * sy + ty;
// m_pTransform->TransformPoint(_x2, _y2);
tmp = _x2;
_x2 = tmp * sx + _y2 * shx + tx;
_y2 = tmp * shy + _y2 * sy + ty;
double _k = 0;
double _b = 0;
bool _isConstX = false;
if (fabs(_x1 - _x2) < 0.001)
{
_isConstX = true;
_b = _x1;
}
else
{
_k = (_y1 - _y2) / (_x1 - _x2);
_b = _y1 - _k * _x1;
}
double dAbsVec = sqrt((_x1 - _x2) * (_x1 - _x2) + (_y1 - _y2) * (_y1 - _y2));
if (dAbsVec == 0)
dAbsVec = 1;
LONG nCountChars = m_oLine.GetCountChars();
bool bIsNewLine = 0 == nCountChars;
bool bIsNewLine = true;
if (0 != nCountChars)
{
if (_isConstX && m_oLine.m_bIsConstX && fabs(_b - m_oLine.m_dB) < 0.001)
bIsNewLine = false;
else if (!_isConstX && !m_oLine.m_bIsConstX && fabs(_k - m_oLine.m_dK) < 0.001 && fabs(_b - m_oLine.m_dB) < 0.001)
bIsNewLine = false;
}
if (bIsNewLine && (nCountChars != 0))
{
// не совпала baseline. поэтому просто скидываем линию в поток
@ -539,13 +574,15 @@ void CDjVuFileImplementation::GetGlyphs(IRenderer* m_pRenderer, co
double dOffsetX = 0;
if (nCountChars == 0)
{
m_oLine.m_bIsConstX = false;
m_oLine.m_bIsConstX = _isConstX;
m_oLine.m_dK = _k;
m_oLine.m_dB = _b;
m_oLine.m_dX = _x1;
m_oLine.m_dY = _y1;
m_oLine.m_ex = _x2 - _x1;
m_oLine.m_ey = _y2 - _y1;
m_oLine.m_ex = (_x2 - _x1) / dAbsVec;
m_oLine.m_ey = (_y2 - _y1) / dAbsVec;
m_oLine.m_dEndX = _x1;
m_oLine.m_dEndY = _y1;
@ -583,13 +620,16 @@ void CDjVuFileImplementation::GetGlyphs(IRenderer* m_pRenderer, co
// предварительно сбросив старую
DumpLine();
m_oLine.m_bIsConstX = false;
m_oLine.m_bIsConstX = _isConstX;
m_oLine.m_dX = _x1;
m_oLine.m_dY = _y1;
m_oLine.m_ex = _x2 - _x1;
m_oLine.m_ey = _y2 - _y1;
m_oLine.m_dK = _k;
m_oLine.m_dB = _b;
m_oLine.m_ex = (_x2 - _x1) / dAbsVec;
m_oLine.m_ey = (_y2 - _y1) / dAbsVec;
}
m_oLine.m_dEndX = _x1;
@ -597,14 +637,16 @@ void CDjVuFileImplementation::GetGlyphs(IRenderer* m_pRenderer, co
}
// смотрим, совпадает ли главная часть матрицы.
bool bIsTransform = !(fabs(m_pLastTransform.sx() - 1.0) < 0.001 &&
fabs(m_pLastTransform.sy() - 1.0) < 0.001 &&
fabs(m_pLastTransform.shx()) < 0.001 &&
fabs(m_pLastTransform.shy()) < 0.001);
bool bIsTransform = !(fabs(m_pLastTransform.sx() - sx) < 0.001 &&
fabs(m_pLastTransform.sy() - sy) < 0.001 &&
fabs(m_pLastTransform.shx() - shx) < 0.001 &&
fabs(m_pLastTransform.shy() - shy) < 0.001);
if (bIsTransform)
bIsDumpFont = true;
LONG nColor1 = 0, nAlpha1 = 255;
LONG nColor1, nAlpha1;
m_pRenderer->get_BrushColor1(&nColor1);
m_pRenderer->get_BrushAlpha1(&nAlpha1);
bool bIsColor = ((nColor1 != m_nLastBrushColor1) || (nAlpha1 != m_nLastBrushAlpha1));
BYTE nLenMetaCommands = 0;
@ -619,10 +661,10 @@ void CDjVuFileImplementation::GetGlyphs(IRenderer* m_pRenderer, co
double _dumpSize = dFontSize;
double _dumpMtx[4];
_dumpMtx[0] = 1.0;
_dumpMtx[1] = 0.0;
_dumpMtx[2] = 0.0;
_dumpMtx[3] = 1.0;
_dumpMtx[0] = sx;
_dumpMtx[1] = shy;
_dumpMtx[2] = shx;
_dumpMtx[3] = sy;
double dTextScale = std::min(sqrt(_dumpMtx[2] * _dumpMtx[2] + _dumpMtx[3] * _dumpMtx[3]),
sqrt(_dumpMtx[0] * _dumpMtx[0] + _dumpMtx[1] * _dumpMtx[1]));
@ -639,20 +681,23 @@ void CDjVuFileImplementation::GetGlyphs(IRenderer* m_pRenderer, co
if (bIsDumpFont)
{
LONG nFontStyle;
m_pRenderer->get_FontStyle(&nFontStyle);
m_oMeta.WriteBYTE(41); // CMetafile::ctFontName
m_oMeta.AddInt(0); // nCurrentFont
m_oMeta.AddInt(0); // get_FontStyle
m_oMeta.AddInt(nCurrentFont);
m_oMeta.AddInt(nFontStyle);
m_oMeta.WriteDouble(_dumpSize);
}
if (bIsTransform)
{
m_pLastTransform.SetElements(1.0, 0.0, 0.0, 1.0);
m_pLastTransform.SetElements(sx, shy, shx, sy);
m_oLine.m_bIsSetUpTransform = true;
m_oLine.m_sx = 1.0;
m_oLine.m_shx = 0.0;
m_oLine.m_shy = 0.0;
m_oLine.m_sy = 1.0;
m_oLine.m_sx = sx;
m_oLine.m_shx = shx;
m_oLine.m_shy = shy;
m_oLine.m_sy = sy;
m_oMeta.WriteBYTE(161); // CMetafile::ctCommandTextTransform
m_oMeta.WriteDouble(_dumpMtx[0]);
@ -678,13 +723,13 @@ void CDjVuFileImplementation::GetGlyphs(IRenderer* m_pRenderer, co
// все, baseline установлен. теперь просто продолжаем линию
if (bIsDumpFont)
{
m_pFontManager->LoadFontFromFile(L"DjvuEmptyFont", 0, dFontSize, 72.0, 72.0);
m_pFontManager->LoadFontFromFile(sCurrentFontName, 0, dFontSize, 72.0, 72.0);
m_pFontManager->AfterLoad();
}
double dKoef = dFontSize * 25.4 / (72 * abs(m_pFontManager->GetUnitsPerEm()));
double dAscender = abs(m_pFontManager->GetAscender()) * dKoef;
double dDescender = abs(m_pFontManager->GetDescender()) * dKoef;
double dAscender = abs(m_pFontManager->GetAscender()) * dKoef * dAbsVec;
double dDescender = abs(m_pFontManager->GetDescender()) * dKoef * dAbsVec;
if (m_oLine.m_dAscent < dAscender)
m_oLine.m_dAscent = dAscender;
@ -720,7 +765,7 @@ void CDjVuFileImplementation::GetGlyphs(IRenderer* m_pRenderer, co
dPlusOffset += dOffsetX;
dOffsetX = dBoxW;
pChar->width = dBoxW;
pChar->width = dBoxW * dAbsVec;
if (i != 0)
m_oMeta.WriteBYTE(0);