void CPDF_TextObject::GetItemInfo(int index, CPDF_TextObjectItem* pInfo) const
{
pInfo->m_CharCode =
m_nChars == 1 ? (FX_DWORD)(uintptr_t)m_pCharCodes : m_pCharCodes[index];
pInfo->m_OriginX = index ? m_pCharPos[index - 1] : 0;
pInfo->m_OriginY = 0;
if (pInfo->m_CharCode == -1) {
return;
}
CPDF_Font* pFont = m_TextState.GetFont();
if (pFont->GetFontType() != PDFFONT_CIDFONT) {
return;
}
if (!((CPDF_CIDFont*)pFont)->IsVertWriting()) {
return;
}
FX_WORD CID = ((CPDF_CIDFont*)pFont)->CIDFromCharCode(pInfo->m_CharCode);
pInfo->m_OriginY = pInfo->m_OriginX;
pInfo->m_OriginX = 0;
short vx, vy;
((CPDF_CIDFont*)pFont)->GetVertOrigin(CID, vx, vy);
FX_FLOAT fontsize = m_TextState.GetFontSize();
pInfo->m_OriginX -= fontsize * vx / 1000;
pInfo->m_OriginY -= fontsize * vy / 1000;
}
CPDF_Font* CPDF_DocPageData::GetStandardFont(FX_BSTR fontName, CPDF_FontEncoding* pEncoding)
{
if (fontName.IsEmpty()) {
return NULL;
}
FX_POSITION pos = m_FontMap.GetStartPosition();
while (pos) {
CPDF_Dictionary* fontDict;
CPDF_CountedObject<CPDF_Font*>* fontData;
m_FontMap.GetNextAssoc(pos, fontDict, fontData);
CPDF_Font* pFont = fontData->m_Obj;
if (!pFont) {
continue;
}
if (pFont->GetBaseFont() != fontName) {
continue;
}
if (pFont->IsEmbedded()) {
continue;
}
if (pFont->GetFontType() != PDFFONT_TYPE1) {
continue;
}
if (pFont->GetFontDict()->KeyExist(FX_BSTRC("Widths"))) {
continue;
}
CPDF_Type1Font* pT1Font = pFont->GetType1Font();
if (pEncoding && !pT1Font->GetEncoding()->IsIdentical(pEncoding)) {
continue;
}
fontData->m_nCount ++;
return pFont;
}
CPDF_Dictionary* pDict = FX_NEW CPDF_Dictionary;
pDict->SetAtName(FX_BSTRC("Type"), FX_BSTRC("Font"));
pDict->SetAtName(FX_BSTRC("Subtype"), FX_BSTRC("Type1"));
pDict->SetAtName(FX_BSTRC("BaseFont"), fontName);
if (pEncoding) {
pDict->SetAt(FX_BSTRC("Encoding"), pEncoding->Realize());
}
m_pPDFDoc->AddIndirectObject(pDict);
CPDF_CountedObject<CPDF_Font*>* fontData = FX_NEW CPDF_CountedObject<CPDF_Font*>;
if (!fontData) {
return NULL;
}
CPDF_Font* pFont = CPDF_Font::CreateFontF(m_pPDFDoc, pDict);
if (!pFont) {
delete fontData;
return NULL;
}
fontData->m_nCount = 2;
fontData->m_Obj = pFont;
m_FontMap.SetAt(pDict, fontData);
return pFont;
}
FX_BOOL CPDF_RenderStatus::ProcessText(const CPDF_TextObject* textobj, const CFX_AffineMatrix* pObj2Device, CFX_PathData* pClippingPath)
{
if(textobj->m_nChars == 0) {
return TRUE;
}
int text_render_mode = textobj->m_TextState.GetObject()->m_TextMode;
if (text_render_mode == 3) {
return TRUE;
}
CPDF_Font* pFont = textobj->m_TextState.GetFont();
if (pFont->GetFontType() == PDFFONT_TYPE3) {
return ProcessType3Text(textobj, pObj2Device);
}
FX_BOOL bFill = FALSE, bStroke = FALSE, bClip = FALSE;
if (pClippingPath) {
bClip = TRUE;
} else {
switch (text_render_mode) {
case 0:
case 4:
bFill = TRUE;
break;
case 1:
case 5:
if (pFont->GetFace() == NULL && !(pFont->GetSubstFont()->m_SubstFlags & FXFONT_SUBST_GLYPHPATH)) {
bFill = TRUE;
} else {
bStroke = TRUE;
}
break;
case 2:
case 6:
if (pFont->GetFace() == NULL && !(pFont->GetSubstFont()->m_SubstFlags & FXFONT_SUBST_GLYPHPATH)) {
bFill = TRUE;
} else {
bFill = bStroke = TRUE;
}
break;
case 3:
case 7:
return TRUE;
default:
bFill = TRUE;
}
}
FX_ARGB stroke_argb = 0, fill_argb = 0;
FX_BOOL bPattern = FALSE;
if (bStroke) {
if (textobj->m_ColorState.GetStrokeColor()->IsPattern()) {
bPattern = TRUE;
} else {
stroke_argb = GetStrokeArgb(textobj);
}
}
if (bFill) {
if (textobj->m_ColorState.GetFillColor()->IsPattern()) {
bPattern = TRUE;
} else {
fill_argb = GetFillArgb(textobj);
}
}
CFX_AffineMatrix text_matrix;
textobj->GetTextMatrix(&text_matrix);
if(IsAvailableMatrix(text_matrix) == FALSE) {
return TRUE;
}
FX_FLOAT font_size = textobj->m_TextState.GetFontSize();
if (bPattern) {
DrawTextPathWithPattern(textobj, pObj2Device, pFont, font_size, &text_matrix, bFill, bStroke);
return TRUE;
}
#if defined(_FPDFAPI_MINI_)
if (bFill) {
bStroke = FALSE;
}
if (bStroke) {
if (font_size * text_matrix.GetXUnit() * pObj2Device->GetXUnit() < 6) {
bStroke = FALSE;
}
}
#endif
if (bClip || bStroke) {
const CFX_AffineMatrix* pDeviceMatrix = pObj2Device;
CFX_AffineMatrix device_matrix;
if (bStroke) {
const FX_FLOAT* pCTM = textobj->m_TextState.GetObject()->m_CTM;
if (pCTM[0] != 1.0f || pCTM[3] != 1.0f) {
CFX_AffineMatrix ctm(pCTM[0], pCTM[1], pCTM[2], pCTM[3], 0, 0);
text_matrix.ConcatInverse(ctm);
device_matrix.Copy(ctm);
device_matrix.Concat(*pObj2Device);
pDeviceMatrix = &device_matrix;
}
}
int flag = 0;
if (bStroke && bFill) {
flag |= FX_FILL_STROKE;
flag |= FX_STROKE_TEXT_MODE;
}
#if !defined(_FPDFAPI_MINI_) || defined(_FXCORE_FEATURE_ALL_)
const CPDF_GeneralStateData* pGeneralData = ((CPDF_PageObject*)textobj)->m_GeneralState;
if (pGeneralData && pGeneralData->m_StrokeAdjust) {
flag |= FX_STROKE_ADJUST;
}
#endif
if (m_Options.m_Flags & RENDER_NOTEXTSMOOTH) {
flag |= FXFILL_NOPATHSMOOTH;
}
return CPDF_TextRenderer::DrawTextPath(m_pDevice, textobj->m_nChars, textobj->m_pCharCodes, textobj->m_pCharPos, pFont, font_size,
&text_matrix, pDeviceMatrix, textobj->m_GraphState, fill_argb, stroke_argb, pClippingPath, flag);
}
text_matrix.Concat(*pObj2Device);
return CPDF_TextRenderer::DrawNormalText(m_pDevice, textobj->m_nChars, textobj->m_pCharCodes, textobj->m_pCharPos, pFont, font_size,
&text_matrix, fill_argb, &m_Options);
}
void CPDF_ProgressiveReflowPageRender::Display(IFX_Pause* pPause)
{
if (NULL == m_pReflowPage) {
m_Status = Done;
return;
}
FX_RECT clipBox = m_pFXDevice->GetClipBox();
int size = m_pReflowPage->m_pReflowed->GetSize();
if (size < 1 || NULL == m_pDisplayMatrix) {
m_Status = Done;
return;
}
for(int i = m_CurrNum; i < size; i++) {
CRF_Data* pData = (*m_pReflowPage->m_pReflowed)[i];
if(!pData) {
continue;
}
CFX_FloatRect rect (pData->m_PosX, pData->m_PosY + pData->m_Height, pData->m_PosX + pData->m_Width, pData->m_PosY);
m_pDisplayMatrix->TransformRect(rect);
if(rect.left > clipBox.right || rect.right < clipBox.left || rect.bottom > clipBox.bottom || rect.top < clipBox.top) {
continue;
}
if(pData->GetType() == CRF_Data::Text) {
CRF_CharData* pCharData = (CRF_CharData*)pData;
CPDF_Font* pPDFFont = pCharData->m_pCharState->m_pFont;
if(pPDFFont->GetFontType() == PDFFONT_TYPE3) {
continue;
}
FX_FLOAT x = pData->m_PosX, y = pData->m_PosY - pCharData->m_pCharState->m_fDescent;
FXTEXT_CHARPOS charpos ;
charpos.m_GlyphIndex = pPDFFont->GlyphFromCharCode(pCharData->m_CharCode);
charpos.m_FontCharWidth = pPDFFont->m_Font.GetGlyphWidth(charpos.m_GlyphIndex);
charpos.m_OriginX = x;
charpos.m_OriginY = y;
FX_FLOAT charW = pData->m_Width * 1000 / pData->m_Height;
if(charW != charpos.m_FontCharWidth) {
charpos.m_bGlyphAdjust = TRUE;
charpos.m_AdjustMatrix[0] = charW / charpos.m_FontCharWidth;
charpos.m_AdjustMatrix[1] = 0;
charpos.m_AdjustMatrix[2] = 0;
charpos.m_AdjustMatrix[3] = 1;
} else {
charpos.m_bGlyphAdjust = FALSE;
}
FX_BOOL bRet = FALSE;
if(m_DisplayColor == -1)
bRet = m_pFXDevice->DrawNormalText(1, &charpos, &(pPDFFont->m_Font),
NULL, pCharData->m_pCharState->m_fFontSize,
m_pDisplayMatrix, pCharData->m_pCharState->m_Color + 0xff000000, FXTEXT_CLEARTYPE);
else
bRet = m_pFXDevice->DrawNormalText(1, &charpos, &(pPDFFont->m_Font),
NULL, pCharData->m_pCharState->m_fFontSize, m_pDisplayMatrix, m_DisplayColor, FXTEXT_CLEARTYPE);
} else if(pData->GetType() == CRF_Data::Image) {
CRF_ImageData* pImageData = (CRF_ImageData*)pData;
if(!pImageData->m_pBitmap) {
continue;
}
int left = 0, top = 0;
CFX_DIBitmap* pDiBmp = NULL;
CFX_DIBSource* pDispSource = pImageData->m_pBitmap;
if(pImageData->m_Matrix.d < 0) {
CFX_AffineMatrix matrix(pImageData->m_Matrix.a, 0, 0, -pImageData->m_Matrix.d, 0, 0);
int left, top;
pDiBmp = pImageData->m_pBitmap->TransformTo(&matrix, left, top);
pDispSource = pDiBmp;
}
if (NULL == pDispSource) {
continue;
}
if (pDispSource->GetFormat() == FXDIB_1bppMask || pDispSource->GetFormat() == FXDIB_8bppMask) {
m_pFXDevice->StretchBitMask(pDispSource, (int)(rect.left + 0.5), (int)(rect.bottom + 0.5), (int)(rect.Width() + 0.5), (int)(rect.Height() + 0.5), 0xff000000);
} else {
m_pFXDevice->StretchDIBits(pDispSource, (int)(rect.left + 0.5), (int)(rect.bottom + 0.5), (int)(rect.Width() + 0.5), (int)(rect.Height() + 0.5));
}
if(m_pFXDevice->GetBitmap() && m_pFXDevice->GetBitmap()->GetFormat() == FXDIB_8bppRgb &&
m_pFXDevice->GetBitmap()->GetPalette() == NULL) {
int nPalette = 0;
switch(m_DitherBits) {
case 0:
nPalette = 0;
break;
case 1:
nPalette = 2;
break;
case 2:
nPalette = 4;
break;
case 3:
nPalette = 8;
break;
case 4:
nPalette = 16;
break;
case 5:
nPalette = 32;
break;
case 6:
nPalette = 64;
break;
case 7:
nPalette = 128;
break;
default:
nPalette = 256;
break;
}
if(nPalette >= 2) {
FX_ARGB * palette = FX_Alloc(FX_ARGB, nPalette);
nPalette --;
palette[0] = 0;
palette[nPalette] = 255;
FX_FLOAT Dither = (FX_FLOAT)255 / (nPalette);
for(int i = 1; i < nPalette; i++) {
palette[i] = (FX_ARGB)(Dither * i + 0.5);
}
FX_RECT tmpRect = rect.GetOutterRect();
m_pFXDevice->GetBitmap()->DitherFS(palette, nPalette + 1, &tmpRect);
FX_Free (palette);
}
}
if(pDiBmp) {
delete pDiBmp;
}
} else if(pData->GetType() == CRF_Data::Path) {
}
if(!(i % 10)) {
if(pPause && pPause->NeedToPauseNow()) {
i++;
m_CurrNum = i;
m_Status = ToBeContinued;
return;
}
}
}
m_CurrNum = size;
m_Status = Done;
}
void CPDF_StreamContentParser::AddTextObject(CFX_ByteString* pStrs,
FX_FLOAT fInitKerning,
FX_FLOAT* pKerning,
int nsegs) {
CPDF_Font* pFont = m_pCurStates->m_TextState.GetFont();
if (!pFont) {
return;
}
if (fInitKerning != 0) {
if (!pFont->IsVertWriting()) {
m_pCurStates->m_TextX -=
FXSYS_Mul(fInitKerning, m_pCurStates->m_TextState.GetFontSize()) /
1000;
} else {
m_pCurStates->m_TextY -=
FXSYS_Mul(fInitKerning, m_pCurStates->m_TextState.GetFontSize()) /
1000;
}
}
if (nsegs == 0) {
return;
}
int textmode;
if (pFont->GetFontType() == PDFFONT_TYPE3) {
textmode = 0;
} else {
textmode = m_pCurStates->m_TextState.GetObject()->m_TextMode;
}
CPDF_TextObject* pText = new CPDF_TextObject;
m_pLastTextObject = pText;
SetGraphicStates(pText, TRUE, TRUE, TRUE);
if (textmode && textmode != 3 && textmode != 4 && textmode != 7) {
FX_FLOAT* pCTM = pText->m_TextState.GetModify()->m_CTM;
pCTM[0] = m_pCurStates->m_CTM.a;
pCTM[1] = m_pCurStates->m_CTM.c;
pCTM[2] = m_pCurStates->m_CTM.b;
pCTM[3] = m_pCurStates->m_CTM.d;
}
pText->SetSegments(pStrs, pKerning, nsegs);
pText->m_PosX = m_pCurStates->m_TextX;
pText->m_PosY = m_pCurStates->m_TextY + m_pCurStates->m_TextRise;
ConvertTextSpace(pText->m_PosX, pText->m_PosY);
FX_FLOAT x_advance, y_advance;
pText->CalcPositionData(&x_advance, &y_advance, m_pCurStates->m_TextHorzScale,
m_Level);
m_pCurStates->m_TextX += x_advance;
m_pCurStates->m_TextY += y_advance;
if (textmode > 3) {
CPDF_TextObject* pCopy = new CPDF_TextObject;
pCopy->Copy(pText);
m_ClipTextList.Add(pCopy);
}
m_pObjectList->m_ObjectList.AddTail(pText);
if (pKerning && pKerning[nsegs - 1] != 0) {
if (!pFont->IsVertWriting()) {
m_pCurStates->m_TextX -=
FXSYS_Mul(pKerning[nsegs - 1],
m_pCurStates->m_TextState.GetFontSize()) /
1000;
} else {
m_pCurStates->m_TextY -=
FXSYS_Mul(pKerning[nsegs - 1],
m_pCurStates->m_TextState.GetFontSize()) /
1000;
}
}
}