Пример #1
0
FX_BOOL CPDF_RenderStatus::ProcessPath(CPDF_PathObject* pPathObj,
                                       const CFX_AffineMatrix* pObj2Device) {
  int FillType = pPathObj->m_FillType;
  FX_BOOL bStroke = pPathObj->m_bStroke;
  ProcessPathPattern(pPathObj, pObj2Device, FillType, bStroke);
  if (FillType == 0 && !bStroke) {
    return TRUE;
  }
  FX_DWORD fill_argb = 0;
  if (FillType) {
    fill_argb = GetFillArgb(pPathObj);
  }
  FX_DWORD stroke_argb = 0;
  if (bStroke) {
    stroke_argb = GetStrokeArgb(pPathObj);
  }
  CFX_AffineMatrix path_matrix = pPathObj->m_Matrix;
  path_matrix.Concat(*pObj2Device);
  if (!IsAvailableMatrix(path_matrix)) {
    return TRUE;
  }
  if (FillType && (m_Options.m_Flags & RENDER_RECT_AA)) {
    FillType |= FXFILL_RECT_AA;
  }
  if (m_Options.m_Flags & RENDER_FILL_FULLCOVER) {
    FillType |= FXFILL_FULLCOVER;
  }
  if (m_Options.m_Flags & RENDER_NOPATHSMOOTH) {
    FillType |= FXFILL_NOPATHSMOOTH;
  }
  if (bStroke) {
    FillType |= FX_FILL_STROKE;
  }
  const CPDF_GeneralStateData* pGeneralData =
      ((CPDF_PageObject*)pPathObj)->m_GeneralState;
  if (pGeneralData && pGeneralData->m_StrokeAdjust) {
    FillType |= FX_STROKE_ADJUST;
  }
  if (m_pType3Char) {
    FillType |= FX_FILL_TEXT_MODE;
  }
  CFX_GraphStateData graphState(*pPathObj->m_GraphState);
  if (m_Options.m_Flags & RENDER_THINLINE) {
    graphState.m_LineWidth = 0;
  }
  return m_pDevice->DrawPath(pPathObj->m_Path, &path_matrix, &graphState,
                             fill_argb, stroke_argb, FillType, 0, NULL,
                             m_curBlend);
}
Пример #2
0
FX_BOOL CPDF_RenderStatus::ProcessPath(CPDF_PathObject* pPathObj,
                                       const CFX_Matrix* pObj2Device) {
  int FillType = pPathObj->m_FillType;
  FX_BOOL bStroke = pPathObj->m_bStroke;
  ProcessPathPattern(pPathObj, pObj2Device, FillType, bStroke);
  if (FillType == 0 && !bStroke)
    return TRUE;

  uint32_t fill_argb = FillType ? GetFillArgb(pPathObj) : 0;
  uint32_t stroke_argb = bStroke ? GetStrokeArgb(pPathObj) : 0;
  CFX_Matrix path_matrix = pPathObj->m_Matrix;
  path_matrix.Concat(*pObj2Device);
  if (!IsAvailableMatrix(path_matrix))
    return TRUE;

  if (FillType && (m_Options.m_Flags & RENDER_RECT_AA))
    FillType |= FXFILL_RECT_AA;
  if (m_Options.m_Flags & RENDER_FILL_FULLCOVER)
    FillType |= FXFILL_FULLCOVER;
  if (m_Options.m_Flags & RENDER_NOPATHSMOOTH)
    FillType |= FXFILL_NOPATHSMOOTH;
  if (bStroke)
    FillType |= FX_FILL_STROKE;

  const CPDF_PageObject* pPageObj =
      static_cast<const CPDF_PageObject*>(pPathObj);
  if (pPageObj->m_GeneralState.GetStrokeAdjust())
    FillType |= FX_STROKE_ADJUST;
  if (m_pType3Char)
    FillType |= FX_FILL_TEXT_MODE;

  CPDF_GraphState graphState = pPathObj->m_GraphState;
  if (m_Options.m_Flags & RENDER_THINLINE)
    graphState.SetLineWidth(0);
  return m_pDevice->DrawPathWithBlend(
      pPathObj->m_Path.GetObject(), &path_matrix, graphState.GetObject(),
      fill_argb, stroke_argb, FillType, m_curBlend);
}
FX_BOOL CPDF_RenderStatus::ProcessInlines(CPDF_InlineImages* pInlines, const CFX_AffineMatrix* pObj2Device)
{
    int bitmap_alpha = 255;
    if (!pInlines->m_GeneralState.IsNull()) {
        bitmap_alpha = FXSYS_round(pInlines->m_GeneralState.GetObject()->m_FillAlpha * 255);
    }
    if (pInlines->m_pStream) {
        CPDF_DIBSource dibsrc;
        if (!dibsrc.Load(m_pContext->m_pDocument, pInlines->m_pStream, NULL, NULL, NULL, NULL)) {
            return TRUE;
        }
        pInlines->m_pBitmap = dibsrc.Clone();
        pInlines->m_pStream->Release();
        pInlines->m_pStream = NULL;
    }
    if (pInlines->m_pBitmap == NULL) {
        return TRUE;
    }
    FX_ARGB fill_argb = 0;
    if (pInlines->m_pBitmap->IsAlphaMask()) {
        fill_argb = GetFillArgb(pInlines);
    }
    int flags = 0;
    if (m_Options.m_Flags & RENDER_FORCE_DOWNSAMPLE) {
        flags |= RENDER_FORCE_DOWNSAMPLE;
    } else if (m_Options.m_Flags & RENDER_FORCE_HALFTONE) {
        flags = 0;
    }
    for (int i = 0; i < pInlines->m_Matrices.GetSize(); i ++) {
        CFX_AffineMatrix image_matrix = pInlines->m_Matrices.GetAt(i);
        image_matrix.Concat(*pObj2Device);
        CPDF_ImageRenderer renderer;
        if (renderer.Start(this, pInlines->m_pBitmap, fill_argb, bitmap_alpha, &image_matrix, flags, FALSE, m_curBlend)) {
            renderer.Continue(NULL);
        }
    }
    return TRUE;
}
Пример #4
0
FX_BOOL CPDF_RenderStatus::ProcessType3Text(const CPDF_TextObject* textobj, const CFX_AffineMatrix* pObj2Device)
{
    CPDF_Type3Font* pType3Font = textobj->m_TextState.GetFont()->GetType3Font();
    for (int j = 0; j < m_Type3FontCache.GetSize(); j++)
        if ((CPDF_Type3Font*)m_Type3FontCache.GetAt(j) == pType3Font) {
            return TRUE;
        }
    CFX_Matrix dCTM = m_pDevice->GetCTM();
    FX_FLOAT sa = FXSYS_fabs(dCTM.a);
    FX_FLOAT sd = FXSYS_fabs(dCTM.d);
    CFX_AffineMatrix text_matrix;
    textobj->GetTextMatrix(&text_matrix);
    CFX_AffineMatrix char_matrix = pType3Font->GetFontMatrix();
    FX_FLOAT font_size = textobj->m_TextState.GetFontSize();
    char_matrix.Scale(font_size, font_size);
    FX_ARGB fill_argb = GetFillArgb(textobj, TRUE);
    int fill_alpha = FXARGB_A(fill_argb);
    int device_class = m_pDevice->GetDeviceClass();
    FXTEXT_GLYPHPOS* pGlyphAndPos = NULL;
    if (device_class == FXDC_DISPLAY) {
        pGlyphAndPos = FX_Alloc(FXTEXT_GLYPHPOS, textobj->m_nChars);
    } else if (fill_alpha < 255) {
        return FALSE;
    }
    CPDF_RefType3Cache refTypeCache(pType3Font);
    FX_DWORD *pChars = textobj->m_pCharCodes;
    if (textobj->m_nChars == 1) {
        pChars = (FX_DWORD*)(&textobj->m_pCharCodes);
    }
    for (int iChar = 0; iChar < textobj->m_nChars; iChar ++) {
        FX_DWORD charcode = pChars[iChar];
        if (charcode == (FX_DWORD) - 1) {
            continue;
        }
        CPDF_Type3Char* pType3Char = pType3Font->LoadChar(charcode);
        if (pType3Char == NULL) {
            continue;
        }
        CFX_AffineMatrix matrix = char_matrix;
        matrix.e += iChar ? textobj->m_pCharPos[iChar - 1] : 0;
        matrix.Concat(text_matrix);
        matrix.Concat(*pObj2Device);
        if (!pType3Char->LoadBitmap(m_pContext)) {
            if (pGlyphAndPos) {
                for (int i = 0; i < iChar; i ++) {
                    FXTEXT_GLYPHPOS& glyph = pGlyphAndPos[i];
                    if (glyph.m_pGlyph == NULL) {
                        continue;
                    }
                    m_pDevice->SetBitMask(&glyph.m_pGlyph->m_Bitmap,
                                          glyph.m_OriginX + glyph.m_pGlyph->m_Left,
                                          glyph.m_OriginY - glyph.m_pGlyph->m_Top, fill_argb);
                }
                FX_Free(pGlyphAndPos);
                pGlyphAndPos = NULL;
            }
            CPDF_GraphicStates* pStates = CloneObjStates(textobj, FALSE);
            CPDF_RenderOptions Options = m_Options;
            Options.m_Flags |= RENDER_FORCE_HALFTONE | RENDER_RECT_AA;
            Options.m_Flags &= ~RENDER_FORCE_DOWNSAMPLE;
            CPDF_Dictionary* pFormResource = NULL;
            if (pType3Char->m_pForm && pType3Char->m_pForm->m_pFormDict) {
                pFormResource = pType3Char->m_pForm->m_pFormDict->GetDict(FX_BSTRC("Resources"));
            }
            if (fill_alpha == 255) {
                CPDF_RenderStatus status;
                status.Initialize(m_Level + 1, m_pContext, m_pDevice, NULL, NULL, this, pStates, &Options,
                                  pType3Char->m_pForm->m_Transparency, m_bDropObjects, pFormResource, FALSE, pType3Char, fill_argb);
                status.m_Type3FontCache.Append(m_Type3FontCache);
                status.m_Type3FontCache.Add(pType3Font);
                m_pDevice->SaveState();
                status.RenderObjectList(pType3Char->m_pForm, &matrix);
                m_pDevice->RestoreState();
            } else {
                CFX_FloatRect rect_f = pType3Char->m_pForm->CalcBoundingBox();
                rect_f.Transform(&matrix);
                FX_RECT rect = rect_f.GetOutterRect();
                CFX_FxgeDevice bitmap_device;
                if (!bitmap_device.Create((int)(rect.Width() * sa), (int)(rect.Height() * sd), FXDIB_Argb)) {
                    return TRUE;
                }
                bitmap_device.GetBitmap()->Clear(0);
                CPDF_RenderStatus status;
                status.Initialize(m_Level + 1, m_pContext, &bitmap_device, NULL, NULL, this, pStates, &Options,
                                  pType3Char->m_pForm->m_Transparency, m_bDropObjects, pFormResource, FALSE, pType3Char, fill_argb);
                status.m_Type3FontCache.Append(m_Type3FontCache);
                status.m_Type3FontCache.Add(pType3Font);
                matrix.TranslateI(-rect.left, -rect.top);
                matrix.Scale(sa, sd);
                status.RenderObjectList(pType3Char->m_pForm, &matrix);
                m_pDevice->SetDIBits(bitmap_device.GetBitmap(), rect.left, rect.top);
            }
            delete pStates;
        } else if (pType3Char->m_pBitmap) {
            if (device_class == FXDC_DISPLAY) {
                CPDF_Type3Cache* pCache = GetCachedType3(pType3Font);
                refTypeCache.m_dwCount++;
                CFX_GlyphBitmap* pBitmap = pCache->LoadGlyph(charcode, &matrix, sa, sd);
                if (pBitmap == NULL) {
                    continue;
                }
                int origin_x = FXSYS_round(matrix.e);
                int origin_y = FXSYS_round(matrix.f);
                if (pGlyphAndPos) {
                    pGlyphAndPos[iChar].m_pGlyph = pBitmap;
                    pGlyphAndPos[iChar].m_OriginX = origin_x;
                    pGlyphAndPos[iChar].m_OriginY = origin_y;
                } else {
                    m_pDevice->SetBitMask(&pBitmap->m_Bitmap, origin_x + pBitmap->m_Left, origin_y - pBitmap->m_Top, fill_argb);
                }
            } else {
                CFX_AffineMatrix image_matrix = pType3Char->m_ImageMatrix;
                image_matrix.Concat(matrix);
                CPDF_ImageRenderer renderer;
                if (renderer.Start(this, pType3Char->m_pBitmap, fill_argb, 255, &image_matrix, 0, FALSE)) {
                    renderer.Continue(NULL);
                }
                if (!renderer.m_Result) {
                    return FALSE;
                }
            }
        }
    }
    if (pGlyphAndPos) {
        FX_RECT rect = FXGE_GetGlyphsBBox(pGlyphAndPos, textobj->m_nChars, 0, sa, sd);
        CFX_DIBitmap bitmap;
        if (!bitmap.Create((int)(rect.Width() * sa), (int)(rect.Height() * sd), FXDIB_8bppMask)) {
            FX_Free(pGlyphAndPos);
            return TRUE;
        }
        bitmap.Clear(0);
        for (int iChar = 0; iChar < textobj->m_nChars; iChar ++) {
            FXTEXT_GLYPHPOS& glyph = pGlyphAndPos[iChar];
            if (glyph.m_pGlyph == NULL) {
                continue;
            }
            bitmap.TransferBitmap((int)((glyph.m_OriginX + glyph.m_pGlyph->m_Left - rect.left) * sa),
                                  (int)((glyph.m_OriginY - glyph.m_pGlyph->m_Top - rect.top) * sd),
                                  glyph.m_pGlyph->m_Bitmap.GetWidth(), glyph.m_pGlyph->m_Bitmap.GetHeight(),
                                  &glyph.m_pGlyph->m_Bitmap, 0, 0);
        }
        m_pDevice->SetBitMask(&bitmap, rect.left, rect.top, fill_argb);
        FX_Free(pGlyphAndPos);
    }
    return TRUE;
}
Пример #5
0
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);
}
Пример #6
0
void CPDF_RenderStatus::DrawTilingPattern(CPDF_TilingPattern* pPattern,
                                          CPDF_PageObject* pPageObj,
                                          const CFX_Matrix* pObj2Device,
                                          FX_BOOL bStroke) {
  if (!pPattern->Load()) {
    return;
  }
  m_pDevice->SaveState();
  if (pPageObj->m_Type == PDFPAGE_PATH) {
    if (!SelectClipPath((CPDF_PathObject*)pPageObj, pObj2Device, bStroke)) {
      m_pDevice->RestoreState();
      return;
    }
  } else if (pPageObj->m_Type == PDFPAGE_IMAGE) {
    FX_RECT rect = pPageObj->GetBBox(pObj2Device);
    m_pDevice->SetClip_Rect(&rect);
  } else {
    return;
  }
  FX_RECT clip_box = m_pDevice->GetClipBox();
  if (clip_box.IsEmpty()) {
    m_pDevice->RestoreState();
    return;
  }
  CFX_Matrix dCTM = m_pDevice->GetCTM();
  FX_FLOAT sa = FXSYS_fabs(dCTM.a);
  FX_FLOAT sd = FXSYS_fabs(dCTM.d);
  clip_box.right = clip_box.left + (int32_t)FXSYS_ceil(clip_box.Width() * sa);
  clip_box.bottom = clip_box.top + (int32_t)FXSYS_ceil(clip_box.Height() * sd);
  CFX_Matrix mtPattern2Device = pPattern->m_Pattern2Form;
  mtPattern2Device.Concat(*pObj2Device);
  GetScaledMatrix(mtPattern2Device);
  FX_BOOL bAligned = FALSE;
  if (pPattern->m_BBox.left == 0 && pPattern->m_BBox.bottom == 0 &&
      pPattern->m_BBox.right == pPattern->m_XStep &&
      pPattern->m_BBox.top == pPattern->m_YStep &&
      (mtPattern2Device.IsScaled() || mtPattern2Device.Is90Rotated())) {
    bAligned = TRUE;
  }
  CFX_FloatRect cell_bbox = pPattern->m_BBox;
  mtPattern2Device.TransformRect(cell_bbox);
  int width = (int)FXSYS_ceil(cell_bbox.Width());
  int height = (int)FXSYS_ceil(cell_bbox.Height());
  if (width == 0) {
    width = 1;
  }
  if (height == 0) {
    height = 1;
  }
  int min_col, max_col, min_row, max_row;
  CFX_Matrix mtDevice2Pattern;
  mtDevice2Pattern.SetReverse(mtPattern2Device);
  CFX_FloatRect clip_box_p(clip_box);
  clip_box_p.Transform(&mtDevice2Pattern);
  min_col = (int)FXSYS_ceil(
      FXSYS_Div(clip_box_p.left - pPattern->m_BBox.right, pPattern->m_XStep));
  max_col = (int)FXSYS_floor(
      FXSYS_Div(clip_box_p.right - pPattern->m_BBox.left, pPattern->m_XStep));
  min_row = (int)FXSYS_ceil(
      FXSYS_Div(clip_box_p.bottom - pPattern->m_BBox.top, pPattern->m_YStep));
  max_row = (int)FXSYS_floor(
      FXSYS_Div(clip_box_p.top - pPattern->m_BBox.bottom, pPattern->m_YStep));
  if (width > clip_box.Width() || height > clip_box.Height() ||
      width * height > clip_box.Width() * clip_box.Height()) {
    CPDF_GraphicStates* pStates = NULL;
    if (!pPattern->m_bColored) {
      pStates = CloneObjStates(pPageObj, bStroke);
    }
    CPDF_Dictionary* pFormResource = NULL;
    if (pPattern->m_pForm->m_pFormDict) {
      pFormResource = pPattern->m_pForm->m_pFormDict->GetDict("Resources");
    }
    for (int col = min_col; col <= max_col; col++)
      for (int row = min_row; row <= max_row; row++) {
        FX_FLOAT orig_x, orig_y;
        orig_x = col * pPattern->m_XStep;
        orig_y = row * pPattern->m_YStep;
        mtPattern2Device.Transform(orig_x, orig_y);
        CFX_Matrix matrix = *pObj2Device;
        matrix.Translate(orig_x - mtPattern2Device.e,
                         orig_y - mtPattern2Device.f);
        m_pDevice->SaveState();
        CPDF_RenderStatus status;
        status.Initialize(m_pContext, m_pDevice, NULL, NULL, this, pStates,
                          &m_Options, pPattern->m_pForm->m_Transparency,
                          m_bDropObjects, pFormResource);
        status.RenderObjectList(pPattern->m_pForm, &matrix);
        m_pDevice->RestoreState();
      }
    m_pDevice->RestoreState();
    delete pStates;
    return;
  }
  if (bAligned) {
    int orig_x = FXSYS_round(mtPattern2Device.e);
    int orig_y = FXSYS_round(mtPattern2Device.f);
    min_col = (clip_box.left - orig_x) / width;
    if (clip_box.left < orig_x) {
      min_col--;
    }
    max_col = (clip_box.right - orig_x) / width;
    if (clip_box.right <= orig_x) {
      max_col--;
    }
    min_row = (clip_box.top - orig_y) / height;
    if (clip_box.top < orig_y) {
      min_row--;
    }
    max_row = (clip_box.bottom - orig_y) / height;
    if (clip_box.bottom <= orig_y) {
      max_row--;
    }
  }
  FX_FLOAT left_offset = cell_bbox.left - mtPattern2Device.e;
  FX_FLOAT top_offset = cell_bbox.bottom - mtPattern2Device.f;
  CFX_DIBitmap* pPatternBitmap = NULL;
  if (width * height < 16) {
    CFX_DIBitmap* pEnlargedBitmap =
        DrawPatternBitmap(m_pContext->m_pDocument, m_pContext->m_pPageCache,
                          pPattern, pObj2Device, 8, 8, m_Options.m_Flags);
    pPatternBitmap = pEnlargedBitmap->StretchTo(width, height);
    delete pEnlargedBitmap;
  } else {
    pPatternBitmap = DrawPatternBitmap(
        m_pContext->m_pDocument, m_pContext->m_pPageCache, pPattern,
        pObj2Device, width, height, m_Options.m_Flags);
  }
  if (!pPatternBitmap) {
    m_pDevice->RestoreState();
    return;
  }
  if (m_Options.m_ColorMode == RENDER_COLOR_GRAY) {
    pPatternBitmap->ConvertColorScale(m_Options.m_ForeColor,
                                      m_Options.m_BackColor);
  }
  FX_ARGB fill_argb = GetFillArgb(pPageObj);
  int clip_width = clip_box.right - clip_box.left;
  int clip_height = clip_box.bottom - clip_box.top;
  CFX_DIBitmap screen;
  if (!screen.Create(clip_width, clip_height, FXDIB_Argb)) {
    return;
  }
  screen.Clear(0);
  FX_DWORD* src_buf = (FX_DWORD*)pPatternBitmap->GetBuffer();
  for (int col = min_col; col <= max_col; col++) {
    for (int row = min_row; row <= max_row; row++) {
      int start_x, start_y;
      if (bAligned) {
        start_x = FXSYS_round(mtPattern2Device.e) + col * width - clip_box.left;
        start_y = FXSYS_round(mtPattern2Device.f) + row * height - clip_box.top;
      } else {
        FX_FLOAT orig_x = col * pPattern->m_XStep;
        FX_FLOAT orig_y = row * pPattern->m_YStep;
        mtPattern2Device.Transform(orig_x, orig_y);
        start_x = FXSYS_round(orig_x + left_offset) - clip_box.left;
        start_y = FXSYS_round(orig_y + top_offset) - clip_box.top;
      }
      if (width == 1 && height == 1) {
        if (start_x < 0 || start_x >= clip_box.Width() || start_y < 0 ||
            start_y >= clip_box.Height()) {
          continue;
        }
        FX_DWORD* dest_buf =
            (FX_DWORD*)(screen.GetBuffer() + screen.GetPitch() * start_y +
                        start_x * 4);
        if (pPattern->m_bColored) {
          *dest_buf = *src_buf;
        } else {
          *dest_buf = (*(uint8_t*)src_buf << 24) | (fill_argb & 0xffffff);
        }
      } else {
        if (pPattern->m_bColored) {
          screen.CompositeBitmap(start_x, start_y, width, height,
                                 pPatternBitmap, 0, 0);
        } else {
          screen.CompositeMask(start_x, start_y, width, height, pPatternBitmap,
                               fill_argb, 0, 0);
        }
      }
    }
  }
  CompositeDIBitmap(&screen, clip_box.left, clip_box.top, 0, 255,
                    FXDIB_BLEND_NORMAL, FALSE);
  m_pDevice->RestoreState();
  delete pPatternBitmap;
}