void CPDF_RenderStatus::DrawObjWithBackground(CPDF_PageObject* pObj, const CFX_Matrix* pObj2Device) { FX_RECT rect; if (GetObjectClippedRect(pObj, pObj2Device, FALSE, rect)) { return; } int res = 300; if (pObj->IsImage() && m_pDevice->GetDeviceCaps(FXDC_DEVICE_CLASS) == FXDC_PRINTER) { res = 0; } CPDF_ScaledRenderBuffer buffer; if (!buffer.Initialize(m_pContext, m_pDevice, rect, pObj, &m_Options, res)) { return; } CFX_Matrix matrix = *pObj2Device; matrix.Concat(*buffer.GetMatrix()); GetScaledMatrix(matrix); CPDF_Dictionary* pFormResource = nullptr; if (pObj->IsForm()) { const CPDF_FormObject* pFormObj = pObj->AsForm(); if (pFormObj->m_pForm && pFormObj->m_pForm->m_pFormDict) { pFormResource = pFormObj->m_pForm->m_pFormDict->GetDictBy("Resources"); } } CPDF_RenderStatus status; status.Initialize(m_pContext, buffer.GetDevice(), buffer.GetMatrix(), nullptr, nullptr, nullptr, &m_Options, m_Transparency, m_bDropObjects, pFormResource); status.RenderSingleObject(pObj, &matrix); buffer.OutputToDevice(); }
FX_BOOL CPDF_RenderStatus::ProcessForm(const CPDF_FormObject* pFormObj, const CFX_Matrix* pObj2Device) { #if defined _SKIA_SUPPORT_ DebugVerifyDeviceIsPreMultiplied(); #endif CPDF_Dictionary* pOC = pFormObj->m_pForm->m_pFormDict->GetDictBy("OC"); if (pOC && m_Options.m_pOCContext && !m_Options.m_pOCContext->CheckOCGVisible(pOC)) { return TRUE; } CFX_Matrix matrix = pFormObj->m_FormMatrix; matrix.Concat(*pObj2Device); CPDF_Dictionary* pResources = nullptr; if (pFormObj->m_pForm && pFormObj->m_pForm->m_pFormDict) { pResources = pFormObj->m_pForm->m_pFormDict->GetDictBy("Resources"); } CPDF_RenderStatus status; status.Initialize(m_pContext, m_pDevice, nullptr, m_pStopObj, this, pFormObj, &m_Options, m_Transparency, m_bDropObjects, pResources, FALSE); status.m_curBlend = m_curBlend; m_pDevice->SaveState(); status.RenderObjectList(pFormObj->m_pForm.get(), &matrix); m_bStopped = status.m_bStopped; m_pDevice->RestoreState(false); #if defined _SKIA_SUPPORT_ DebugVerifyDeviceIsPreMultiplied(); #endif return TRUE; }
FX_BOOL CPDF_RenderStatus::ProcessForm(CPDF_FormObject* pFormObj, const CFX_AffineMatrix* pObj2Device) { CPDF_Dictionary* pOC = pFormObj->m_pForm->m_pFormDict->GetDict(FX_BSTRC("OC")); if (pOC && m_Options.m_pOCContext && !m_Options.m_pOCContext->CheckOCGVisible(pOC)) { return TRUE; } CFX_AffineMatrix matrix = pFormObj->m_FormMatrix; matrix.Concat(*pObj2Device); CPDF_Dictionary* pResources = NULL; if (pFormObj->m_pForm && pFormObj->m_pForm->m_pFormDict) { pResources = pFormObj->m_pForm->m_pFormDict->GetDict(FX_BSTRC("Resources")); } CPDF_RenderStatus status; status.Initialize(m_pContext, m_pDevice, NULL, m_pStopObj, this, pFormObj, &m_Options, m_Transparency, m_bDropObjects, pResources, FALSE); status.m_curBlend = m_curBlend; m_pDevice->SaveState(); status.RenderObjectList(pFormObj->m_pForm, &matrix); m_bStopped = status.m_bStopped; m_pDevice->RestoreState(); return TRUE; }
void CPDF_RenderStatus::DrawObjWithBackground( const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device) { FX_RECT rect; if (GetObjectClippedRect(pObj, pObj2Device, FALSE, rect)) { return; } int res = 300; if (pObj->m_Type == PDFPAGE_IMAGE && m_pDevice->GetDeviceCaps(FXDC_DEVICE_CLASS) == FXDC_PRINTER) { res = 0; } CPDF_ScaledRenderBuffer buffer; if (!buffer.Initialize(m_pContext, m_pDevice, &rect, pObj, &m_Options, res)) { return; } CFX_AffineMatrix matrix = *pObj2Device; matrix.Concat(*buffer.GetMatrix()); GetScaledMatrix(matrix); CPDF_Dictionary* pFormResource = NULL; if (pObj->m_Type == PDFPAGE_FORM) { CPDF_FormObject* pFormObj = (CPDF_FormObject*)pObj; if (pFormObj->m_pForm && pFormObj->m_pForm->m_pFormDict) { pFormResource = pFormObj->m_pForm->m_pFormDict->GetDict(FX_BSTRC("Resources")); } } CPDF_RenderStatus status; status.Initialize(m_pContext, buffer.GetDevice(), buffer.GetMatrix(), NULL, NULL, NULL, &m_Options, m_Transparency, m_bDropObjects, pFormResource); status.RenderSingleObject(pObj, &matrix); buffer.OutputToDevice(); }
void CPDF_RenderContext::Render(CFX_RenderDevice* pDevice, const CPDF_PageObject* pStopObj, const CPDF_RenderOptions* pOptions, const CFX_Matrix* pLastMatrix) { int count = m_Layers.GetSize(); for (int j = 0; j < count; j++) { pDevice->SaveState(); Layer* pLayer = m_Layers.GetDataPtr(j); if (pLastMatrix) { CFX_Matrix FinalMatrix = pLayer->m_Matrix; FinalMatrix.Concat(*pLastMatrix); CPDF_RenderStatus status; status.Initialize(this, pDevice, pLastMatrix, pStopObj, nullptr, nullptr, pOptions, pLayer->m_pObjectHolder->m_Transparency, FALSE, nullptr); status.RenderObjectList(pLayer->m_pObjectHolder, &FinalMatrix); if (status.m_Options.m_Flags & RENDER_LIMITEDIMAGECACHE) { m_pPageCache->CacheOptimization(status.m_Options.m_dwLimitCacheSize); } if (status.m_bStopped) { pDevice->RestoreState(false); break; } } else { CPDF_RenderStatus status; status.Initialize(this, pDevice, nullptr, pStopObj, nullptr, nullptr, pOptions, pLayer->m_pObjectHolder->m_Transparency, FALSE, nullptr); status.RenderObjectList(pLayer->m_pObjectHolder, &pLayer->m_Matrix); if (status.m_Options.m_Flags & RENDER_LIMITEDIMAGECACHE) { m_pPageCache->CacheOptimization(status.m_Options.m_dwLimitCacheSize); } if (status.m_bStopped) { pDevice->RestoreState(false); break; } } pDevice->RestoreState(false); } }
void CPDF_RenderContext::Render(CFX_RenderDevice* pDevice, const CPDF_PageObject* pStopObj, const CPDF_RenderOptions* pOptions, const CFX_AffineMatrix* pLastMatrix) { int count = m_ContentList.GetSize(); for (int j = 0; j < count; j++) { pDevice->SaveState(); _PDF_RenderItem* pItem = m_ContentList.GetDataPtr(j); if (pLastMatrix) { CFX_AffineMatrix FinalMatrix = pItem->m_Matrix; FinalMatrix.Concat(*pLastMatrix); CPDF_RenderStatus status; status.Initialize(this, pDevice, pLastMatrix, pStopObj, NULL, NULL, pOptions, pItem->m_pObjectList->m_Transparency, FALSE, NULL); status.RenderObjectList(pItem->m_pObjectList, &FinalMatrix); if (status.m_Options.m_Flags & RENDER_LIMITEDIMAGECACHE) { m_pPageCache->CacheOptimization(status.m_Options.m_dwLimitCacheSize); } if (status.m_bStopped) { pDevice->RestoreState(); break; } } else { CPDF_RenderStatus status; status.Initialize(this, pDevice, NULL, pStopObj, NULL, NULL, pOptions, pItem->m_pObjectList->m_Transparency, FALSE, NULL); status.RenderObjectList(pItem->m_pObjectList, &pItem->m_Matrix); if (status.m_Options.m_Flags & RENDER_LIMITEDIMAGECACHE) { m_pPageCache->CacheOptimization(status.m_Options.m_dwLimitCacheSize); } if (status.m_bStopped) { pDevice->RestoreState(); break; } } pDevice->RestoreState(); } }
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; }
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; }
CFX_DIBitmap* CPDF_RenderStatus::LoadSMask(CPDF_Dictionary* pSMaskDict, FX_RECT* pClipRect, const CFX_AffineMatrix* pMatrix) { if (pSMaskDict == NULL) { return NULL; } int width = pClipRect->right - pClipRect->left; int height = pClipRect->bottom - pClipRect->top; FX_BOOL bLuminosity = FALSE; bLuminosity = pSMaskDict->GetConstString(FX_BSTRC("S")) != FX_BSTRC("Alpha"); CPDF_Stream* pGroup = pSMaskDict->GetStream(FX_BSTRC("G")); if (pGroup == NULL) { return NULL; } nonstd::unique_ptr<CPDF_Function> pFunc; CPDF_Object* pFuncObj = pSMaskDict->GetElementValue(FX_BSTRC("TR")); if (pFuncObj && (pFuncObj->IsDictionary() || pFuncObj->IsStream())) pFunc.reset(CPDF_Function::Load(pFuncObj)); CFX_AffineMatrix matrix = *pMatrix; matrix.TranslateI(-pClipRect->left, -pClipRect->top); CPDF_Form form(m_pContext->m_pDocument, m_pContext->m_pPageResources, pGroup); form.ParseContent(NULL, NULL, NULL, NULL); CFX_FxgeDevice bitmap_device; #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ if (!bitmap_device.Create(width, height, bLuminosity ? FXDIB_Rgb32 : FXDIB_8bppMask)) { return NULL; } #else if (!bitmap_device.Create(width, height, bLuminosity ? FXDIB_Rgb : FXDIB_8bppMask)) { return NULL; } #endif CFX_DIBitmap& bitmap = *bitmap_device.GetBitmap(); CPDF_Object* pCSObj = NULL; CPDF_ColorSpace* pCS = NULL; if (bLuminosity) { CPDF_Array* pBC = pSMaskDict->GetArray(FX_BSTRC("BC")); FX_ARGB back_color = 0xff000000; if (pBC) { CPDF_Dictionary* pDict = pGroup->GetDict(); if (pDict && pDict->GetDict(FX_BSTRC("Group"))) pCSObj = pDict->GetDict(FX_BSTRC("Group"))->GetElementValue(FX_BSTRC("CS")); else pCSObj = NULL; pCS = m_pContext->m_pDocument->LoadColorSpace(pCSObj); if (pCS) { FX_FLOAT R, G, B; FX_DWORD comps = 8; if (pCS->CountComponents() > static_cast<int32_t>(comps)) { comps = (FX_DWORD)pCS->CountComponents(); } CFX_FixedBufGrow<FX_FLOAT, 8> float_array(comps); FX_FLOAT* pFloats = float_array; FX_SAFE_DWORD num_floats = comps; num_floats *= sizeof(FX_FLOAT); if (!num_floats.IsValid()) { return NULL; } FXSYS_memset(pFloats, 0, num_floats.ValueOrDie()); int count = pBC->GetCount() > 8 ? 8 : pBC->GetCount(); for (int i = 0; i < count; i++) { pFloats[i] = pBC->GetNumber(i); } pCS->GetRGB(pFloats, R, G, B); back_color = 0xff000000 | ((int32_t)(R * 255) << 16) | ((int32_t)(G * 255) << 8) | (int32_t)(B * 255); m_pContext->m_pDocument->GetPageData()->ReleaseColorSpace(pCSObj); } } bitmap.Clear(back_color); } else { bitmap.Clear(0); } CPDF_Dictionary* pFormResource = NULL; if (form.m_pFormDict) { pFormResource = form.m_pFormDict->GetDict(FX_BSTRC("Resources")); } CPDF_RenderOptions options; options.m_ColorMode = bLuminosity ? RENDER_COLOR_NORMAL : RENDER_COLOR_ALPHA; CPDF_RenderStatus status; status.Initialize(m_pContext, &bitmap_device, NULL, NULL, NULL, NULL, &options, 0, m_bDropObjects, pFormResource, TRUE, NULL, 0, pCS ? pCS->GetFamily() : 0, bLuminosity); status.RenderObjectList(&form, &matrix); nonstd::unique_ptr<CFX_DIBitmap> pMask(new CFX_DIBitmap); if (!pMask->Create(width, height, FXDIB_8bppMask)) return nullptr; uint8_t* dest_buf = pMask->GetBuffer(); int dest_pitch = pMask->GetPitch(); uint8_t* src_buf = bitmap.GetBuffer(); int src_pitch = bitmap.GetPitch(); std::vector<uint8_t> transfers(256); if (pFunc) { CFX_FixedBufGrow<FX_FLOAT, 16> results(pFunc->CountOutputs()); for (int i = 0; i < 256; i++) { FX_FLOAT input = (FX_FLOAT)i / 255.0f; int nresult; pFunc->Call(&input, 1, results, nresult); transfers[i] = FXSYS_round(results[0] * 255); } } else { for (int i = 0; i < 256; i++) { transfers[i] = i; } } if (bLuminosity) { int Bpp = bitmap.GetBPP() / 8; for (int row = 0; row < height; row++) { uint8_t* dest_pos = dest_buf + row * dest_pitch; uint8_t* src_pos = src_buf + row * src_pitch; for (int col = 0; col < width; col++) { *dest_pos++ = transfers[FXRGB2GRAY(src_pos[2], src_pos[1], *src_pos)]; src_pos += Bpp; } } } else if (pFunc) { int size = dest_pitch * height; for (int i = 0; i < size; i++) { dest_buf[i] = transfers[src_buf[i]]; } } else { FXSYS_memcpy(dest_buf, src_buf, dest_pitch * height); } return pMask.release(); }
CFX_DIBitmap* CPDF_RenderStatus::LoadSMask(CPDF_Dictionary* pSMaskDict, FX_RECT* pClipRect, const CFX_AffineMatrix* pMatrix) { if (pSMaskDict == NULL) { return NULL; } CFX_DIBitmap* pMask = NULL; int width = pClipRect->right - pClipRect->left; int height = pClipRect->bottom - pClipRect->top; FX_BOOL bLuminosity = FALSE; bLuminosity = pSMaskDict->GetConstString(FX_BSTRC("S")) != FX_BSTRC("Alpha"); CPDF_Stream* pGroup = pSMaskDict->GetStream(FX_BSTRC("G")); if (pGroup == NULL) { return NULL; } CPDF_Function* pFunc = NULL; CPDF_Object* pFuncObj = pSMaskDict->GetElementValue(FX_BSTRC("TR")); if (pFuncObj && (pFuncObj->GetType() == PDFOBJ_DICTIONARY || pFuncObj->GetType() == PDFOBJ_STREAM)) { pFunc = CPDF_Function::Load(pFuncObj); } CFX_AffineMatrix matrix = *pMatrix; matrix.TranslateI(-pClipRect->left, -pClipRect->top); CPDF_Form form(m_pContext->m_pDocument, m_pContext->m_pPageResources, pGroup); form.ParseContent(NULL, NULL, NULL, NULL); CFX_FxgeDevice bitmap_device; #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ if (!bitmap_device.Create(width, height, bLuminosity ? FXDIB_Rgb32 : FXDIB_8bppMask)) { return NULL; } #else if (!bitmap_device.Create(width, height, bLuminosity ? FXDIB_Rgb : FXDIB_8bppMask)) { return NULL; } #endif CFX_DIBitmap& bitmap = *bitmap_device.GetBitmap(); CPDF_Object* pCSObj = NULL; CPDF_ColorSpace* pCS = NULL; if (bLuminosity) { CPDF_Array* pBC = pSMaskDict->GetArray(FX_BSTRC("BC")); FX_ARGB back_color = 0xff000000; if (pBC) { pCSObj = pGroup->GetDict()->GetDict(FX_BSTRC("Group"))->GetElementValue(FX_BSTRC("CS")); pCS = m_pContext->m_pDocument->LoadColorSpace(pCSObj); if (pCS) { FX_FLOAT R, G, B; FX_DWORD num_floats = 8; if (pCS->CountComponents() > (FX_INT32)num_floats) { num_floats = (FX_DWORD)pCS->CountComponents(); } CFX_FixedBufGrow<FX_FLOAT, 8> float_array(num_floats); FX_FLOAT* pFloats = float_array; FXSYS_memset32(pFloats, 0, num_floats * sizeof(FX_FLOAT)); int count = pBC->GetCount() > 8 ? 8 : pBC->GetCount(); for (int i = 0; i < count; i ++) { pFloats[i] = pBC->GetNumber(i); } pCS->GetRGB(pFloats, R, G, B); back_color = 0xff000000 | ((FX_INT32)(R * 255) << 16) | ((FX_INT32)(G * 255) << 8) | (FX_INT32)(B * 255); m_pContext->m_pDocument->GetPageData()->ReleaseColorSpace(pCSObj); } } bitmap.Clear(back_color); } else { bitmap.Clear(0); } CPDF_Dictionary* pFormResource = NULL; if (form.m_pFormDict) { pFormResource = form.m_pFormDict->GetDict(FX_BSTRC("Resources")); } CPDF_RenderOptions options; options.m_ColorMode = bLuminosity ? RENDER_COLOR_NORMAL : RENDER_COLOR_ALPHA; CPDF_RenderStatus status; status.Initialize(m_Level + 1, m_pContext, &bitmap_device, NULL, NULL, NULL, NULL, &options, 0, m_bDropObjects, pFormResource, TRUE, NULL, 0, pCS ? pCS->GetFamily() : 0, bLuminosity); status.RenderObjectList(&form, &matrix); pMask = FX_NEW CFX_DIBitmap; if (!pMask->Create(width, height, FXDIB_8bppMask)) { delete pMask; return NULL; } FX_LPBYTE dest_buf = pMask->GetBuffer(); int dest_pitch = pMask->GetPitch(); FX_LPBYTE src_buf = bitmap.GetBuffer(); int src_pitch = bitmap.GetPitch(); FX_LPBYTE pTransfer = FX_Alloc(FX_BYTE, 256); if (pFunc) { CFX_FixedBufGrow<FX_FLOAT, 16> results(pFunc->CountOutputs()); for (int i = 0; i < 256; i ++) { FX_FLOAT input = (FX_FLOAT)i / 255.0f; int nresult; pFunc->Call(&input, 1, results, nresult); pTransfer[i] = FXSYS_round(results[0] * 255); } } else { for (int i = 0; i < 256; i ++) { pTransfer[i] = i; } } if (bLuminosity) { int Bpp = bitmap.GetBPP() / 8; for (int row = 0; row < height; row ++) { FX_LPBYTE dest_pos = dest_buf + row * dest_pitch; FX_LPBYTE src_pos = src_buf + row * src_pitch; for (int col = 0; col < width; col ++) { *dest_pos ++ = pTransfer[FXRGB2GRAY(src_pos[2], src_pos[1], *src_pos)]; src_pos += Bpp; } } } else if (pFunc) { int size = dest_pitch * height; for (int i = 0; i < size; i ++) { dest_buf[i] = pTransfer[src_buf[i]]; } } else { FXSYS_memcpy32(dest_buf, src_buf, dest_pitch * height); } if (pFunc) { delete pFunc; } FX_Free(pTransfer); return pMask; }