C++ CPDF_Font::GetFontType方法代码示例

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_)
//.........这里部分代码省略.........

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:
//.........这里部分代码省略.........

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;
    }
  }
}