diff options
Diffstat (limited to 'core/src/fpdfapi/fpdf_render/fpdf_render.cpp')
| -rw-r--r-- | core/src/fpdfapi/fpdf_render/fpdf_render.cpp | 1488 |
1 files changed, 1488 insertions, 0 deletions
diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render.cpp new file mode 100644 index 0000000000..0be25e3a79 --- /dev/null +++ b/core/src/fpdfapi/fpdf_render/fpdf_render.cpp @@ -0,0 +1,1488 @@ +// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "../../../include/fpdfapi/fpdf_render.h"
+#include "../../../include/fpdfapi/fpdf_module.h"
+#include "../fpdf_page/pageint.h"
+#include "../../../include/fxge/fx_ge.h"
+#include "../../../include/fxcodec/fx_codec.h"
+#include "render_int.h"
+CPDF_DocRenderData::CPDF_DocRenderData(CPDF_Document* pPDFDoc)
+ : m_pPDFDoc(pPDFDoc)
+ , m_pFontCache(NULL)
+{
+}
+CPDF_DocRenderData::~CPDF_DocRenderData()
+{
+ Clear(TRUE);
+}
+void CPDF_DocRenderData::Clear(FX_BOOL bRelease)
+{
+ FX_POSITION pos;
+ {
+ pos = m_Type3FaceMap.GetStartPosition();
+ while (pos) {
+ CPDF_Font* pFont;
+ CPDF_CountedObject<CPDF_Type3Cache*>* cache;
+ m_Type3FaceMap.GetNextAssoc(pos, pFont, cache);
+ if (bRelease || cache->m_nCount < 2) {
+ delete cache->m_Obj;
+ delete cache;
+ m_Type3FaceMap.RemoveKey(pFont);
+ }
+ }
+ }
+#ifndef _FPDFAPI_MINI_
+ {
+ pos = m_TransferFuncMap.GetStartPosition();
+ while (pos) {
+ CPDF_Object* key;
+ CPDF_CountedObject<CPDF_TransferFunc*>* value;
+ m_TransferFuncMap.GetNextAssoc(pos, key, value);
+ if (bRelease || value->m_nCount < 2) {
+ delete value->m_Obj;
+ delete value;
+ m_TransferFuncMap.RemoveKey(key);
+ }
+ }
+ }
+#endif
+ if (m_pFontCache) {
+ if (bRelease) {
+ delete m_pFontCache;
+ m_pFontCache = NULL;
+ } else {
+ m_pFontCache->FreeCache(FALSE);
+ }
+ }
+}
+FX_BOOL CPDF_DocRenderData::Initialize()
+{
+ m_pFontCache = FX_NEW CFX_FontCache;
+ return TRUE;
+}
+CPDF_Type3Cache* CPDF_DocRenderData::GetCachedType3(CPDF_Type3Font* pFont)
+{
+ CPDF_CountedObject<CPDF_Type3Cache*>* pCache;
+ if (!m_Type3FaceMap.Lookup(pFont, pCache)) {
+ CPDF_Type3Cache* pType3 = FX_NEW CPDF_Type3Cache(pFont);
+ pCache = FX_NEW CPDF_CountedObject<CPDF_Type3Cache*>;
+ pCache->m_Obj = pType3;
+ pCache->m_nCount = 1;
+ m_Type3FaceMap.SetAt(pFont, pCache);
+ }
+ pCache->m_nCount++;
+ return pCache->m_Obj;
+}
+void CPDF_DocRenderData::ReleaseCachedType3(CPDF_Type3Font* pFont)
+{
+ CPDF_CountedObject<CPDF_Type3Cache*>* pCache;
+ if (!m_Type3FaceMap.Lookup(pFont, pCache)) {
+ return;
+ }
+ pCache->m_nCount--;
+}
+class CPDF_RenderModule : public CPDF_RenderModuleDef
+{
+public:
+ virtual ~CPDF_RenderModule() {}
+ virtual FX_BOOL Installed()
+ {
+ return TRUE;
+ }
+ virtual CPDF_DocRenderData* CreateDocData(CPDF_Document* pDoc);
+ virtual void DestroyDocData(CPDF_DocRenderData* p);
+ virtual void ClearDocData(CPDF_DocRenderData* p);
+ virtual CPDF_DocRenderData* GetRenderData()
+ {
+ return &m_RenderData;
+ }
+ virtual CPDF_PageRenderCache* CreatePageCache(CPDF_Page* pPage)
+ {
+ return FX_NEW CPDF_PageRenderCache(pPage);
+ }
+ virtual void DestroyPageCache(CPDF_PageRenderCache* pCache);
+ virtual CPDF_RenderConfig* GetConfig()
+ {
+ return &m_RenderConfig;
+ }
+private:
+ CPDF_DocRenderData m_RenderData;
+ CPDF_RenderConfig m_RenderConfig;
+};
+CPDF_DocRenderData* CPDF_RenderModule::CreateDocData(CPDF_Document* pDoc)
+{
+ CPDF_DocRenderData* pData = FX_NEW CPDF_DocRenderData(pDoc);
+ pData->Initialize();
+ return pData;
+}
+void CPDF_RenderModule::DestroyDocData(CPDF_DocRenderData* pDocData)
+{
+ delete pDocData;
+}
+void CPDF_RenderModule::ClearDocData(CPDF_DocRenderData* p)
+{
+ if (p) {
+ p->Clear(FALSE);
+ }
+}
+void CPDF_RenderModule::DestroyPageCache(CPDF_PageRenderCache* pCache)
+{
+ delete pCache;
+}
+void CPDF_ModuleMgr::InitRenderModule()
+{
+ if (m_pRenderModule) {
+ delete m_pRenderModule;
+ }
+ m_pRenderModule = FX_NEW CPDF_RenderModule;
+}
+CPDF_RenderOptions::CPDF_RenderOptions()
+ : m_ColorMode(RENDER_COLOR_NORMAL)
+ , m_Flags(RENDER_CLEARTYPE)
+ , m_Interpolation(0)
+ , m_AddFlags(0)
+ , m_pOCContext(NULL)
+ , m_dwLimitCacheSize(1024 * 1024 * 100)
+ , m_HalftoneLimit(-1)
+{
+#if defined(_FPDFAPI_MINI_)
+ m_Flags |= RENDER_LIMITEDIMAGECACHE;
+#endif
+}
+FX_ARGB CPDF_RenderOptions::TranslateColor(FX_ARGB argb) const
+{
+ if (m_ColorMode == RENDER_COLOR_NORMAL) {
+ return argb;
+ }
+ if (m_ColorMode == RENDER_COLOR_ALPHA) {
+ return argb;
+ }
+ int a, r, g, b;
+ ArgbDecode(argb, a, r, g, b);
+ int gray = FXRGB2GRAY(r, g, b);
+ if (m_ColorMode == RENDER_COLOR_TWOCOLOR) {
+ int color = (r - gray) * (r - gray) + (g - gray) * (g - gray) + (b - gray) * (b - gray);
+ if (gray < 35 && color < 20) {
+ return ArgbEncode(a, m_ForeColor);
+ }
+ if (gray > 221 && color < 20) {
+ return ArgbEncode(a, m_BackColor);
+ }
+ return argb;
+ }
+ int fr = FXSYS_GetRValue(m_ForeColor);
+ int fg = FXSYS_GetGValue(m_ForeColor);
+ int fb = FXSYS_GetBValue(m_ForeColor);
+ int br = FXSYS_GetRValue(m_BackColor);
+ int bg = FXSYS_GetGValue(m_BackColor);
+ int bb = FXSYS_GetBValue(m_BackColor);
+ r = (br - fr) * gray / 255 + fr;
+ g = (bg - fg) * gray / 255 + fg;
+ b = (bb - fb) * gray / 255 + fb;
+ return ArgbEncode(a, r, g, b);
+}
+CPDF_RenderStatus::CPDF_RenderStatus()
+{
+ m_pContext = NULL;
+ m_bStopped = FALSE;
+ m_Level = 0;
+ m_pDevice = NULL;
+ m_pCurObj = NULL;
+ m_pStopObj = NULL;
+ m_HalftoneLimit = 0;
+ m_pObjectRenderer = NULL;
+ m_bPrint = FALSE;
+ m_Transparency = 0;
+ m_DitherBits = 0;
+ m_bDropObjects = FALSE;
+ m_bStdCS = FALSE;
+ m_GroupFamily = 0;
+ m_bLoadMask = FALSE;
+ m_pType3Char = NULL;
+ m_T3FillColor = 0;
+ m_pFormResource = NULL;
+ m_pPageResource = NULL;
+ m_curBlend = FXDIB_BLEND_NORMAL;
+}
+CPDF_RenderStatus::~CPDF_RenderStatus()
+{
+ if (m_pObjectRenderer) {
+ delete m_pObjectRenderer;
+ }
+}
+FX_BOOL CPDF_RenderStatus::Initialize(int level, CPDF_RenderContext* pContext, CFX_RenderDevice* pDevice,
+ const CFX_AffineMatrix* pDeviceMatrix, const CPDF_PageObject* pStopObj,
+ const CPDF_RenderStatus* pParentState, const CPDF_GraphicStates* pInitialStates,
+ const CPDF_RenderOptions* pOptions, int transparency, FX_BOOL bDropObjects,
+ CPDF_Dictionary* pFormResource, FX_BOOL bStdCS, CPDF_Type3Char* pType3Char,
+ FX_ARGB fill_color, FX_DWORD GroupFamily,
+ FX_BOOL bLoadMask)
+{
+ m_Level = level;
+ m_pContext = pContext;
+ m_pDevice = pDevice;
+ m_DitherBits = pDevice->GetDeviceCaps(FXDC_DITHER_BITS);
+ m_bPrint = m_pDevice->GetDeviceClass() != FXDC_DISPLAY;
+ if (pDeviceMatrix) {
+ m_DeviceMatrix = *pDeviceMatrix;
+ }
+ m_pStopObj = pStopObj;
+ if (pOptions) {
+ m_Options = *pOptions;
+ }
+ m_bDropObjects = bDropObjects;
+ m_bStdCS = bStdCS;
+ m_T3FillColor = fill_color;
+ m_pType3Char = pType3Char;
+ m_GroupFamily = GroupFamily;
+ m_bLoadMask = bLoadMask;
+ m_pFormResource = pFormResource;
+ m_pPageResource = m_pContext->m_pPageResources;
+ if (pInitialStates && !m_pType3Char) {
+ m_InitialStates.CopyStates(*pInitialStates);
+ if (pParentState) {
+ CPDF_ColorStateData* pColorData = (CPDF_ColorStateData*)(const CPDF_ColorStateData*)m_InitialStates.m_ColorState;
+ CPDF_ColorStateData* pParentData = (CPDF_ColorStateData*)(const CPDF_ColorStateData*)pParentState->m_InitialStates.m_ColorState;
+ if (!pColorData || pColorData->m_FillColor.IsNull()) {
+ CPDF_ColorStateData* pData = m_InitialStates.m_ColorState.GetModify();
+ pData->m_FillRGB = pParentData->m_FillRGB;
+ pData->m_FillColor.Copy(&pParentData->m_FillColor);
+ }
+ if (!pColorData || pColorData->m_StrokeColor.IsNull()) {
+ CPDF_ColorStateData* pData = m_InitialStates.m_ColorState.GetModify();
+ pData->m_StrokeRGB = pParentData->m_FillRGB;
+ pData->m_StrokeColor.Copy(&pParentData->m_StrokeColor);
+ }
+ }
+ } else {
+ m_InitialStates.DefaultStates();
+ }
+#if defined(_FPDFAPI_MINI_)||defined(_FXCORE_LIMITED_CPU_)
+ m_HalftoneLimit = CPDF_ModuleMgr::Get()->GetRenderModule()->GetConfig()->m_HalftoneLimit;
+ if (pOptions && pOptions->m_HalftoneLimit >= 0) {
+ m_HalftoneLimit = pOptions->m_HalftoneLimit;
+ }
+#endif
+ m_pObjectRenderer = NULL;
+ m_Transparency = transparency;
+ return TRUE;
+}
+void CPDF_RenderStatus::RenderObjectList(const CPDF_PageObjects* pObjs, const CFX_AffineMatrix* pObj2Device)
+{
+ if (m_Level > 32) {
+ return;
+ }
+ CFX_FloatRect clip_rect = m_pDevice->GetClipBox();
+ CFX_AffineMatrix device2object;
+ device2object.SetReverse(*pObj2Device);
+ device2object.TransformRect(clip_rect);
+ int index = 0;
+ FX_POSITION pos = pObjs->GetFirstObjectPosition();
+ while(pos) {
+ index ++;
+ CPDF_PageObject* pCurObj = pObjs->GetNextObject(pos);
+ if (pCurObj == m_pStopObj) {
+ m_bStopped = TRUE;
+ return;
+ }
+ if (!pCurObj) {
+ continue;
+ }
+ if(pCurObj == NULL || pCurObj->m_Left > clip_rect.right || pCurObj->m_Right < clip_rect.left ||
+ pCurObj->m_Bottom > clip_rect.top || pCurObj->m_Top < clip_rect.bottom) {
+ continue;
+ }
+ RenderSingleObject(pCurObj, pObj2Device);
+ if (m_bStopped) {
+ return;
+ }
+ }
+}
+void CPDF_RenderStatus::RenderSingleObject(const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device)
+{
+ if (m_Level > 32) {
+ return;
+ }
+ m_pCurObj = pObj;
+ if (m_Options.m_pOCContext && pObj->m_ContentMark.NotNull())
+ if (!m_Options.m_pOCContext->CheckObjectVisible(pObj)) {
+ return;
+ }
+ ProcessClipPath(pObj->m_ClipPath, pObj2Device);
+ if (ProcessTransparency(pObj, pObj2Device)) {
+ return;
+ }
+ ProcessObjectNoClip(pObj, pObj2Device);
+}
+FX_BOOL CPDF_RenderStatus::ContinueSingleObject(const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device, IFX_Pause* pPause)
+{
+ if (m_pObjectRenderer) {
+ if (m_pObjectRenderer->Continue(pPause)) {
+ return TRUE;
+ }
+ if (!m_pObjectRenderer->m_Result) {
+ DrawObjWithBackground(pObj, pObj2Device);
+ }
+#ifdef _FPDFAPI_MINI_
+ if (m_DitherBits) {
+ DitherObjectArea(pObj, pObj2Device);
+ }
+#endif
+ delete m_pObjectRenderer;
+ m_pObjectRenderer = NULL;
+ return FALSE;
+ }
+ m_pCurObj = pObj;
+ if (m_Options.m_pOCContext && pObj->m_ContentMark.NotNull())
+ if (!m_Options.m_pOCContext->CheckObjectVisible(pObj)) {
+ return FALSE;
+ }
+ ProcessClipPath(pObj->m_ClipPath, pObj2Device);
+ if (ProcessTransparency(pObj, pObj2Device)) {
+ return FALSE;
+ }
+ if (pObj->m_Type == PDFPAGE_IMAGE) {
+ m_pObjectRenderer = IPDF_ObjectRenderer::Create(pObj->m_Type);
+ if (!m_pObjectRenderer->Start(this, pObj, pObj2Device, FALSE)) {
+ if (!m_pObjectRenderer->m_Result) {
+ DrawObjWithBackground(pObj, pObj2Device);
+ }
+#ifdef _FPDFAPI_MINI_
+ if (m_DitherBits) {
+ DitherObjectArea(pObj, pObj2Device);
+ }
+#endif
+ delete m_pObjectRenderer;
+ m_pObjectRenderer = NULL;
+ return FALSE;
+ }
+ return ContinueSingleObject(pObj, pObj2Device, pPause);
+ }
+ ProcessObjectNoClip(pObj, pObj2Device);
+ return FALSE;
+}
+IPDF_ObjectRenderer* IPDF_ObjectRenderer::Create(int type)
+{
+ IPDF_ObjectRenderer* pRenderer = NULL;
+ if (type == PDFPAGE_IMAGE) {
+ pRenderer = FX_NEW CPDF_ImageRenderer;
+ }
+ return pRenderer;
+}
+FX_BOOL CPDF_RenderStatus::GetObjectClippedRect(const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device, FX_BOOL bLogical, FX_RECT &rect) const
+{
+ rect = pObj->GetBBox(pObj2Device);
+ FX_RECT rtClip = m_pDevice->GetClipBox();
+ if (!bLogical) {
+ CFX_Matrix dCTM = m_pDevice->GetCTM();
+ FX_FLOAT a = FXSYS_fabs(dCTM.a);
+ FX_FLOAT d = FXSYS_fabs(dCTM.d);
+ if (a != 1.0f || d != 1.0f) {
+ rect.right = rect.left + (FX_INT32)FXSYS_ceil((FX_FLOAT)rect.Width() * a);
+ rect.bottom = rect.top + (FX_INT32)FXSYS_ceil((FX_FLOAT)rect.Height() * d);
+ rtClip.right = rtClip.left + (FX_INT32)FXSYS_ceil((FX_FLOAT)rtClip.Width() * a);
+ rtClip.bottom = rtClip.top + (FX_INT32)FXSYS_ceil((FX_FLOAT)rtClip.Height() * d);
+ }
+ }
+ rect.Intersect(rtClip);
+ return rect.IsEmpty();
+}
+void CPDF_RenderStatus::DitherObjectArea(const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device)
+{
+ CFX_DIBitmap* pBitmap = m_pDevice->GetBitmap();
+ if (pBitmap == NULL) {
+ return;
+ }
+ FX_RECT rect;
+ if (GetObjectClippedRect(pObj, pObj2Device, FALSE, rect)) {
+ return;
+ }
+ if (m_DitherBits == 2) {
+ static FX_ARGB pal[4] = {0, 85, 170, 255};
+ pBitmap->DitherFS(pal, 4, &rect);
+ } else if (m_DitherBits == 3) {
+ static FX_ARGB pal[8] = {0, 36, 73, 109, 146, 182, 219, 255};
+ pBitmap->DitherFS(pal, 8, &rect);
+ } else if (m_DitherBits == 4) {
+ static FX_ARGB pal[16] = {0, 17, 34, 51, 68, 85, 102, 119, 136, 153, 170, 187, 204, 221, 238, 255};
+ pBitmap->DitherFS(pal, 16, &rect);
+ }
+}
+void CPDF_RenderStatus::ProcessObjectNoClip(const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device)
+{
+ FX_BOOL bRet = FALSE;
+ switch (pObj->m_Type) {
+ case PDFPAGE_TEXT:
+ bRet = ProcessText((CPDF_TextObject*)pObj, pObj2Device, NULL);
+ break;
+ case PDFPAGE_PATH:
+ bRet = ProcessPath((CPDF_PathObject*)pObj, pObj2Device);
+ break;
+ case PDFPAGE_IMAGE:
+ bRet = ProcessImage((CPDF_ImageObject*)pObj, pObj2Device);
+ break;
+ case PDFPAGE_SHADING:
+ bRet = ProcessShading((CPDF_ShadingObject*)pObj, pObj2Device);
+ break;
+ case PDFPAGE_FORM:
+ bRet = ProcessForm((CPDF_FormObject*)pObj, pObj2Device);
+ break;
+#if defined(_FPDFAPI_MINI_)
+ case PDFPAGE_INLINES:
+ bRet = ProcessInlines((CPDF_InlineImages*)pObj, pObj2Device);
+ break;
+#endif
+ }
+ if (!bRet) {
+ DrawObjWithBackground(pObj, pObj2Device);
+ }
+}
+FX_BOOL CPDF_RenderStatus::DrawObjWithBlend(const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device)
+{
+ FX_BOOL bRet = FALSE;
+ switch (pObj->m_Type) {
+ case PDFPAGE_PATH:
+ bRet = ProcessPath((CPDF_PathObject*)pObj, pObj2Device);
+ break;
+ case PDFPAGE_IMAGE:
+ bRet = ProcessImage((CPDF_ImageObject *)pObj, pObj2Device);
+ break;
+ case PDFPAGE_FORM:
+ bRet = ProcessForm((CPDF_FormObject*)pObj, pObj2Device);
+ break;
+ }
+ return bRet;
+}
+void CPDF_RenderStatus::GetScaledMatrix(CFX_Matrix &matrix) const
+{
+ CFX_Matrix dCTM = m_pDevice->GetCTM();
+ matrix.a *= FXSYS_fabs(dCTM.a);
+ matrix.d *= FXSYS_fabs(dCTM.d);
+}
+void CPDF_RenderStatus::DrawObjWithBackground(const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device)
+{
+#if !defined(_FPDFAPI_MINI_) || defined(_FXCORE_FEATURE_ALL_)
+ 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_Level + 1, m_pContext, buffer.GetDevice(), buffer.GetMatrix(), NULL, NULL, NULL, &m_Options, m_Transparency, m_bDropObjects, pFormResource);
+ status.RenderSingleObject(pObj, &matrix);
+ buffer.OutputToDevice();
+#endif
+}
+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_Level + 1, m_pContext, m_pDevice, NULL, m_pStopObj,
+ this, pFormObj, &m_Options, m_Transparency, m_bDropObjects, pResources, TRUE);
+ status.m_curBlend = m_curBlend;
+ m_pDevice->SaveState();
+ status.RenderObjectList(pFormObj->m_pForm, &matrix);
+ m_bStopped = status.m_bStopped;
+ m_pDevice->RestoreState();
+ return TRUE;
+}
+FX_BOOL IsAvailableMatrix(const CFX_AffineMatrix& matrix)
+{
+ if (matrix.a == 0 || matrix.d == 0) {
+ return matrix.b != 0 && matrix.c != 0;
+ }
+ if (matrix.b == 0 || matrix.c == 0) {
+ return matrix.a != 0 && matrix.d != 0;
+ }
+ return TRUE;
+}
+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;
+ }
+#if !defined(_FPDFAPI_MINI_) || defined(_FXCORE_FEATURE_ALL_)
+ const CPDF_GeneralStateData* pGeneralData = ((CPDF_PageObject*)pPathObj)->m_GeneralState;
+ if (pGeneralData && pGeneralData->m_StrokeAdjust) {
+ FillType |= FX_STROKE_ADJUST;
+ }
+#endif
+ 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);
+}
+CPDF_TransferFunc* CPDF_RenderStatus::GetTransferFunc(CPDF_Object* pObj) const
+{
+ ASSERT(pObj != NULL);
+ CPDF_DocRenderData* pDocCache = m_pContext->m_pDocument->GetRenderData();
+ if (!pDocCache) {
+ return NULL;
+ }
+ return pDocCache->GetTransferFunc(pObj);
+}
+FX_ARGB CPDF_RenderStatus::GetFillArgb(const CPDF_PageObject* pObj, FX_BOOL bType3) const
+{
+ CPDF_ColorStateData* pColorData = (CPDF_ColorStateData*)(const CPDF_ColorStateData*)pObj->m_ColorState;
+ if (m_pType3Char && !bType3 && (!m_pType3Char->m_bColored || (m_pType3Char->m_bColored && (!pColorData || pColorData->m_FillColor.IsNull())))) {
+ return m_T3FillColor;
+ } else if (!pColorData || pColorData->m_FillColor.IsNull()) {
+ pColorData = (CPDF_ColorStateData*)(const CPDF_ColorStateData*)m_InitialStates.m_ColorState;
+ }
+ FX_COLORREF rgb = pColorData->m_FillRGB;
+ if (rgb == (FX_DWORD) - 1) {
+ return 0;
+ }
+ const CPDF_GeneralStateData* pGeneralData = pObj->m_GeneralState;
+ int alpha;
+ if (pGeneralData) {
+ alpha = (FX_INT32)(pGeneralData->m_FillAlpha * 255);
+#ifndef _FPDFAPI_MINI_
+ if (pGeneralData->m_pTR) {
+ if (!pGeneralData->m_pTransferFunc) {
+ ((CPDF_GeneralStateData*)pGeneralData)->m_pTransferFunc = GetTransferFunc(pGeneralData->m_pTR);
+ }
+ if (pGeneralData->m_pTransferFunc) {
+ rgb = pGeneralData->m_pTransferFunc->TranslateColor(rgb);
+ }
+ }
+#endif
+ } else {
+ alpha = 255;
+ }
+ return m_Options.TranslateColor(ArgbEncode(alpha, rgb));
+}
+FX_ARGB CPDF_RenderStatus::GetStrokeArgb(const CPDF_PageObject* pObj) const
+{
+ CPDF_ColorStateData* pColorData = (CPDF_ColorStateData*)(const CPDF_ColorStateData*)pObj->m_ColorState;
+ if (m_pType3Char && (!m_pType3Char->m_bColored || (m_pType3Char->m_bColored && (!pColorData || pColorData->m_StrokeColor.IsNull())))) {
+ return m_T3FillColor;
+ } else if (!pColorData || pColorData->m_StrokeColor.IsNull()) {
+ pColorData = (CPDF_ColorStateData*)(const CPDF_ColorStateData*)m_InitialStates.m_ColorState;
+ }
+ FX_COLORREF rgb = pColorData->m_StrokeRGB;
+ if (rgb == (FX_DWORD) - 1) {
+ return 0;
+ }
+ const CPDF_GeneralStateData* pGeneralData = pObj->m_GeneralState;
+ int alpha;
+ if (pGeneralData) {
+ alpha = (FX_INT32)(pGeneralData->m_StrokeAlpha * 255);
+#ifndef _FPDFAPI_MINI_
+ if (pGeneralData->m_pTR) {
+ if (!pGeneralData->m_pTransferFunc) {
+ ((CPDF_GeneralStateData*)pGeneralData)->m_pTransferFunc = GetTransferFunc(pGeneralData->m_pTR);
+ }
+ if (pGeneralData->m_pTransferFunc) {
+ rgb = pGeneralData->m_pTransferFunc->TranslateColor(rgb);
+ }
+ }
+#endif
+ } else {
+ alpha = 255;
+ }
+ return m_Options.TranslateColor(ArgbEncode(alpha, rgb));
+}
+void CPDF_RenderStatus::ProcessClipPath(CPDF_ClipPath ClipPath, const CFX_AffineMatrix* pObj2Device)
+{
+ if (ClipPath.IsNull()) {
+ if (m_LastClipPath.IsNull()) {
+ return;
+ }
+ m_pDevice->RestoreState(TRUE);
+ m_LastClipPath.SetNull();
+ return;
+ }
+ if (m_LastClipPath == ClipPath) {
+ return;
+ }
+ m_LastClipPath = ClipPath;
+ m_pDevice->RestoreState(TRUE);
+ int nClipPath = ClipPath.GetPathCount();
+ int i;
+ for (i = 0; i < nClipPath; i++) {
+ const CFX_PathData* pPathData = ClipPath.GetPath(i);
+ if (pPathData == NULL) {
+ continue;
+ }
+ if (pPathData->GetPointCount() == 0) {
+ CFX_PathData EmptyPath;
+ EmptyPath.AppendRect(-1, -1, 0, 0);
+ int fill_mode = FXFILL_WINDING;
+ m_pDevice->SetClip_PathFill(&EmptyPath, NULL, fill_mode);
+ } else {
+ int ClipType = ClipPath.GetClipType(i);
+ m_pDevice->SetClip_PathFill(pPathData, pObj2Device, ClipType);
+ }
+ }
+ int textcount = ClipPath.GetTextCount();
+ if (textcount == 0) {
+ return;
+ }
+ if (m_pDevice->GetDeviceClass() == FXDC_DISPLAY && !(m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_SOFT_CLIP)) {
+ return;
+ }
+ CFX_PathData* pTextClippingPath = NULL;
+ for (i = 0; i < textcount; i ++) {
+ CPDF_TextObject* pText = ClipPath.GetText(i);
+ if (pText == NULL) {
+ if (pTextClippingPath) {
+ int fill_mode = FXFILL_WINDING;
+ if (m_Options.m_Flags & RENDER_NOTEXTSMOOTH) {
+ fill_mode |= FXFILL_NOPATHSMOOTH;
+ }
+ m_pDevice->SetClip_PathFill(pTextClippingPath, NULL, fill_mode);
+ delete pTextClippingPath;
+ pTextClippingPath = NULL;
+ }
+ } else {
+ if (pTextClippingPath == NULL) {
+ pTextClippingPath = FX_NEW CFX_PathData;
+ }
+ ProcessText(pText, pObj2Device, pTextClippingPath);
+ }
+ }
+ if (pTextClippingPath) {
+ delete pTextClippingPath;
+ }
+}
+void CPDF_RenderStatus::DrawClipPath(CPDF_ClipPath ClipPath, const CFX_AffineMatrix* pObj2Device)
+{
+ if (ClipPath.IsNull()) {
+ return;
+ }
+ int fill_mode = 0;
+ if (m_Options.m_Flags & RENDER_NOPATHSMOOTH) {
+ fill_mode |= FXFILL_NOPATHSMOOTH;
+ }
+ int nClipPath = ClipPath.GetPathCount();
+ int i;
+ for (i = 0; i < nClipPath; i++) {
+ const CFX_PathData* pPathData = ClipPath.GetPath(i);
+ if (pPathData == NULL) {
+ continue;
+ }
+ CFX_GraphStateData stroke_state;
+ if (m_Options.m_Flags & RENDER_THINLINE) {
+ stroke_state.m_LineWidth = 0;
+ }
+ m_pDevice->DrawPath(pPathData, pObj2Device, &stroke_state, 0, 0xffff0000, fill_mode);
+ }
+}
+FX_BOOL CPDF_RenderStatus::SelectClipPath(CPDF_PathObject* pPathObj, const CFX_AffineMatrix* pObj2Device, FX_BOOL bStroke)
+{
+ CFX_AffineMatrix path_matrix = pPathObj->m_Matrix;
+ path_matrix.Concat(*pObj2Device);
+ if (bStroke) {
+ CFX_GraphStateData graphState(*pPathObj->m_GraphState);
+ if (m_Options.m_Flags & RENDER_THINLINE) {
+ graphState.m_LineWidth = 0;
+ }
+ return m_pDevice->SetClip_PathStroke(pPathObj->m_Path, &path_matrix, &graphState);
+ }
+ int fill_mode = pPathObj->m_FillType;
+ if (m_Options.m_Flags & RENDER_NOPATHSMOOTH) {
+ fill_mode |= FXFILL_NOPATHSMOOTH;
+ }
+ return m_pDevice->SetClip_PathFill(pPathObj->m_Path, &path_matrix, fill_mode);
+}
+FX_BOOL CPDF_RenderStatus::ProcessTransparency(const CPDF_PageObject* pPageObj, const CFX_AffineMatrix* pObj2Device)
+{
+ const CPDF_GeneralStateData* pGeneralState = pPageObj->m_GeneralState;
+ int blend_type = pGeneralState ? pGeneralState->m_BlendType : FXDIB_BLEND_NORMAL;
+ if (blend_type == FXDIB_BLEND_UNSUPPORTED) {
+ return TRUE;
+ }
+ CPDF_Dictionary* pSMaskDict = pGeneralState ? (CPDF_Dictionary*)pGeneralState->m_pSoftMask : NULL;
+ if (pSMaskDict) {
+ if (pPageObj->m_Type == PDFPAGE_IMAGE &&
+ ((CPDF_ImageObject*)pPageObj)->m_pImage->GetDict()->KeyExist(FX_BSTRC("SMask"))) {
+ pSMaskDict = NULL;
+ }
+ }
+ CPDF_Dictionary* pFormResource = NULL;
+ FX_FLOAT group_alpha = 1.0f;
+ int Transparency = m_Transparency;
+ FX_BOOL bGroupTransparent = FALSE;
+ if (pPageObj->m_Type == PDFPAGE_FORM) {
+ CPDF_FormObject* pFormObj = (CPDF_FormObject*)pPageObj;
+ const CPDF_GeneralStateData *pStateData = pFormObj->m_GeneralState.GetObject();
+ if (pStateData) {
+ group_alpha = pStateData->m_FillAlpha;
+ }
+ Transparency = pFormObj->m_pForm->m_Transparency;
+ bGroupTransparent = Transparency & PDFTRANS_ISOLATED ? TRUE : FALSE;
+ if (pFormObj->m_pForm->m_pFormDict) {
+ pFormResource = pFormObj->m_pForm->m_pFormDict->GetDict("Resources");
+ }
+ }
+ FX_BOOL bTextClip = FALSE;
+ if (pPageObj->m_ClipPath.NotNull() && pPageObj->m_ClipPath.GetTextCount() &&
+ m_pDevice->GetDeviceClass() == FXDC_DISPLAY && !(m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_SOFT_CLIP)) {
+ bTextClip = TRUE;
+ }
+ if ((m_Options.m_Flags & RENDER_OVERPRINT) && pPageObj->m_Type == PDFPAGE_IMAGE && pGeneralState && pGeneralState->m_FillOP && pGeneralState->m_StrokeOP) {
+ CPDF_Document* pDocument = NULL;
+ CPDF_Page* pPage = NULL;
+ if (m_pContext->m_pPageCache) {
+ pPage = m_pContext->m_pPageCache->GetPage();
+ pDocument = pPage->m_pDocument;
+ } else {
+ pDocument = ((CPDF_ImageObject*)pPageObj)->m_pImage->GetDocument();
+ }
+ CPDF_Dictionary* pPageResources = pPage ? pPage->m_pPageResources : NULL;
+ CPDF_Object* pCSObj = ((CPDF_ImageObject*)pPageObj)->m_pImage->GetStream()->GetDict()->GetElementValue(FX_BSTRC("ColorSpace"));
+ CPDF_ColorSpace* pColorSpace = pDocument->LoadColorSpace(pCSObj, pPageResources);
+ if (pColorSpace) {
+ int format = pColorSpace->GetFamily();
+ if (format == PDFCS_DEVICECMYK || format == PDFCS_SEPARATION || format == PDFCS_DEVICEN) {
+ blend_type = FXDIB_BLEND_DARKEN;
+ }
+ pDocument->GetPageData()->ReleaseColorSpace(pCSObj);
+ }
+ }
+ if (pSMaskDict == NULL && group_alpha == 1.0f && blend_type == FXDIB_BLEND_NORMAL && !bTextClip && !bGroupTransparent) {
+ return FALSE;
+ }
+ FX_BOOL isolated = Transparency & PDFTRANS_ISOLATED;
+ if (m_bPrint) {
+ FX_BOOL bRet = FALSE;
+ int rendCaps = m_pDevice->GetRenderCaps();
+ if (!((Transparency & PDFTRANS_ISOLATED) || pSMaskDict || bTextClip) && (rendCaps & FXRC_BLEND_MODE)) {
+ int oldBlend = m_curBlend;
+ m_curBlend = blend_type;
+ bRet = DrawObjWithBlend(pPageObj, pObj2Device);
+ m_curBlend = oldBlend;
+ }
+ if (!bRet) {
+ DrawObjWithBackground(pPageObj, pObj2Device);
+ }
+ return TRUE;
+ }
+ FX_RECT rect = pPageObj->GetBBox(pObj2Device);
+ rect.Intersect(m_pDevice->GetClipBox());
+ if (rect.IsEmpty()) {
+ return TRUE;
+ }
+ CFX_Matrix deviceCTM = m_pDevice->GetCTM();
+ FX_FLOAT scaleX = FXSYS_abs(deviceCTM.a);
+ FX_FLOAT scaleY = FXSYS_abs(deviceCTM.d);
+ int width = FXSYS_round((FX_FLOAT)rect.Width() * scaleX);
+ int height = FXSYS_round((FX_FLOAT)rect.Height() * scaleY);
+ CFX_FxgeDevice bitmap_device;
+ CFX_DIBitmap* oriDevice = NULL;
+ if (!isolated && (m_pDevice->GetRenderCaps() & FXRC_GET_BITS)) {
+ oriDevice = FX_NEW CFX_DIBitmap;
+ if (!m_pDevice->CreateCompatibleBitmap(oriDevice, width, height)) {
+ return TRUE;
+ }
+ m_pDevice->GetDIBits(oriDevice, rect.left, rect.top);
+ }
+ if (!bitmap_device.Create(width, height, FXDIB_Argb, 0, oriDevice)) {
+ return TRUE;
+ }
+ CFX_DIBitmap* bitmap = bitmap_device.GetBitmap();
+ bitmap->Clear(0);
+ CFX_AffineMatrix new_matrix = *pObj2Device;
+ new_matrix.TranslateI(-rect.left, -rect.top);
+ new_matrix.Scale(scaleX, scaleY);
+ CFX_DIBitmap* pTextMask = NULL;
+ if (bTextClip) {
+ pTextMask = FX_NEW CFX_DIBitmap;
+ if (!pTextMask->Create(width, height, FXDIB_8bppMask)) {
+ delete pTextMask;
+ return TRUE;
+ }
+ pTextMask->Clear(0);
+ CFX_FxgeDevice text_device;
+ text_device.Attach(pTextMask);
+ for (FX_DWORD i = 0; i < pPageObj->m_ClipPath.GetTextCount(); i ++) {
+ CPDF_TextObject* textobj = pPageObj->m_ClipPath.GetText(i);
+ if (textobj == NULL) {
+ break;
+ }
+ CFX_AffineMatrix text_matrix;
+ textobj->GetTextMatrix(&text_matrix);
+ CPDF_TextRenderer::DrawTextPath(&text_device, textobj->m_nChars, textobj->m_pCharCodes, textobj->m_pCharPos,
+ textobj->m_TextState.GetFont(), textobj->m_TextState.GetFontSize(),
+ &text_matrix, &new_matrix, textobj->m_GraphState, (FX_ARGB) - 1, 0, NULL);
+ }
+ }
+ CPDF_RenderStatus bitmap_render;
+ bitmap_render.Initialize(m_Level + 1, m_pContext, &bitmap_device, NULL,
+ m_pStopObj, NULL, NULL, &m_Options, 0, m_bDropObjects, pFormResource, TRUE);
+ bitmap_render.ProcessObjectNoClip(pPageObj, &new_matrix);
+ m_bStopped = bitmap_render.m_bStopped;
+ if (pSMaskDict) {
+ CFX_AffineMatrix smask_matrix;
+ FXSYS_memcpy32(&smask_matrix, pGeneralState->m_SMaskMatrix, sizeof smask_matrix);
+ smask_matrix.Concat(*pObj2Device);
+ CFX_DIBSource* pSMaskSource = LoadSMask(pSMaskDict, &rect, &smask_matrix);
+ if (pSMaskSource) {
+ bitmap->MultiplyAlpha(pSMaskSource);
+ delete pSMaskSource;
+ }
+ }
+ if (pTextMask) {
+ bitmap->MultiplyAlpha(pTextMask);
+ delete pTextMask;
+ pTextMask = NULL;
+ }
+ if (Transparency & PDFTRANS_GROUP && group_alpha != 1.0f) {
+ bitmap->MultiplyAlpha((FX_INT32)(group_alpha * 255));
+ }
+ Transparency = m_Transparency;
+ if (pPageObj->m_Type == PDFPAGE_FORM) {
+ Transparency |= PDFTRANS_GROUP;
+ }
+ CompositeDIBitmap(bitmap, rect.left, rect.top, 0, 255, blend_type, Transparency);
+ if (oriDevice) {
+ delete oriDevice;
+ }
+ return TRUE;
+}
+CFX_DIBitmap* CPDF_RenderStatus::GetBackdrop(const CPDF_PageObject* pObj, const FX_RECT& rect, int& left, int& top,
+ FX_BOOL bBackAlphaRequired)
+{
+ FX_RECT bbox = rect;
+ bbox.Intersect(m_pDevice->GetClipBox());
+ left = bbox.left;
+ top = bbox.top;
+ CFX_Matrix deviceCTM = m_pDevice->GetCTM();
+ FX_FLOAT scaleX = FXSYS_abs(deviceCTM.a);
+ FX_FLOAT scaleY = FXSYS_abs(deviceCTM.d);
+ int width = FXSYS_round(bbox.Width() * scaleX);
+ int height = FXSYS_round(bbox.Height() * scaleY);
+ CFX_DIBitmap* pBackdrop = FX_NEW CFX_DIBitmap;
+ if (bBackAlphaRequired && !m_bDropObjects) {
+ pBackdrop->Create(width, height, FXDIB_Argb);
+ } else {
+ m_pDevice->CreateCompatibleBitmap(pBackdrop, width, height);
+ }
+ if (pBackdrop->GetBuffer() == NULL) {
+ delete pBackdrop;
+ return NULL;
+ }
+ FX_BOOL bNeedDraw;
+ if (pBackdrop->HasAlpha()) {
+ bNeedDraw = !(m_pDevice->GetRenderCaps() & FXRC_ALPHA_OUTPUT);
+ } else {
+ bNeedDraw = !(m_pDevice->GetRenderCaps() & FXRC_GET_BITS);
+ }
+ if (!bNeedDraw) {
+ m_pDevice->GetDIBits(pBackdrop, left, top);
+ return pBackdrop;
+ }
+ CFX_AffineMatrix FinalMatrix = m_DeviceMatrix;
+ FinalMatrix.TranslateI(-left, -top);
+ FinalMatrix.Scale(scaleX, scaleY);
+ pBackdrop->Clear(pBackdrop->HasAlpha() ? 0 : 0xffffffff);
+ CFX_FxgeDevice device;
+ device.Attach(pBackdrop);
+ m_pContext->Render(&device, pObj, &m_Options, &FinalMatrix);
+ return pBackdrop;
+}
+void CPDF_RenderContext::GetBackground(CFX_DIBitmap* pBuffer, const CPDF_PageObject* pObj,
+ const CPDF_RenderOptions* pOptions, CFX_AffineMatrix* pFinalMatrix)
+{
+ CFX_FxgeDevice device;
+ device.Attach(pBuffer);
+ if (m_pBackgroundDraw) {
+ m_pBackgroundDraw->OnDrawBackground(&device, pFinalMatrix);
+ } else {
+ FX_RECT rect(0, 0, device.GetWidth(), device.GetHeight());
+ device.FillRect(&rect, 0xffffffff);
+ }
+ Render(&device, pObj, pOptions, pFinalMatrix);
+}
+CPDF_GraphicStates* CPDF_RenderStatus::CloneObjStates(const CPDF_GraphicStates* pSrcStates, FX_BOOL bStroke)
+{
+ if (!pSrcStates) {
+ return NULL;
+ }
+ CPDF_GraphicStates* pStates = FX_NEW CPDF_GraphicStates;
+ if (!pStates) {
+ return NULL;
+ }
+ pStates->CopyStates(*pSrcStates);
+ CPDF_Color* pObjColor = bStroke ? pSrcStates->m_ColorState.GetStrokeColor() :
+ pSrcStates->m_ColorState.GetFillColor();
+ if (!pObjColor->IsNull()) {
+ CPDF_ColorStateData* pColorData = pStates->m_ColorState.GetModify();
+ pColorData->m_FillRGB = bStroke ? pSrcStates->m_ColorState.GetObject()->m_StrokeRGB :
+ pSrcStates->m_ColorState.GetObject()->m_FillRGB;
+ pColorData->m_StrokeRGB = pColorData->m_FillRGB;
+ }
+ return pStates;
+}
+CPDF_RenderContext::CPDF_RenderContext()
+{
+}
+void CPDF_RenderContext::Create(CPDF_Document* pDoc, CPDF_PageRenderCache* pPageCache,
+ CPDF_Dictionary* pPageResources, FX_BOOL bFirstLayer)
+{
+ m_pBackgroundDraw = NULL;
+ m_pDocument = pDoc;
+ m_pPageResources = pPageResources;
+ m_pPageCache = pPageCache;
+ m_bFirstLayer = bFirstLayer;
+}
+void CPDF_RenderContext::Create(CPDF_Page* pPage, FX_BOOL bFirstLayer)
+{
+ m_pBackgroundDraw = NULL;
+ m_pDocument = pPage->m_pDocument;
+ m_pPageResources = pPage->m_pPageResources;
+ m_pPageCache = pPage->GetRenderCache();
+ m_bFirstLayer = bFirstLayer;
+}
+CPDF_RenderContext::~CPDF_RenderContext()
+{
+}
+void CPDF_RenderContext::Clear()
+{
+ m_pDocument = NULL;
+ m_pPageResources = NULL;
+ m_pPageCache = NULL;
+ m_pBackgroundDraw = NULL;
+ m_bFirstLayer = TRUE;
+ m_ContentList.RemoveAll();
+}
+void CPDF_RenderContext::AppendObjectList(CPDF_PageObjects* pObjs, const CFX_AffineMatrix* pObject2Device)
+{
+ _PDF_RenderItem* pItem = m_ContentList.AddSpace();
+ pItem->m_pObjectList = pObjs;
+ if (pObject2Device) {
+ pItem->m_Matrix = *pObject2Device;
+ } else {
+ pItem->m_Matrix.SetIdentity();
+ }
+}
+void CPDF_RenderContext::Render(CFX_RenderDevice* pDevice, const CPDF_RenderOptions* pOptions,
+ const CFX_AffineMatrix* pLastMatrix)
+{
+ Render(pDevice, NULL, pOptions, pLastMatrix);
+}
+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(0, this, pDevice, pLastMatrix, pStopObj, NULL, NULL, pOptions,
+ pItem->m_pObjectList->m_Transparency, FALSE, NULL);
+ status.RenderObjectList(pItem->m_pObjectList, &FinalMatrix);
+#if !defined(_FPDFAPI_MINI_)
+ if (status.m_Options.m_Flags & RENDER_LIMITEDIMAGECACHE) {
+ m_pPageCache->CacheOptimization(status.m_Options.m_dwLimitCacheSize);
+ }
+#endif
+ if (status.m_bStopped) {
+ pDevice->RestoreState();
+ break;
+ }
+ } else {
+ CPDF_RenderStatus status;
+ status.Initialize(0, this, pDevice, NULL, pStopObj, NULL, NULL, pOptions,
+ pItem->m_pObjectList->m_Transparency, FALSE, NULL);
+ status.RenderObjectList(pItem->m_pObjectList, &pItem->m_Matrix);
+#if !defined(_FPDFAPI_MINI_)
+ if (status.m_Options.m_Flags & RENDER_LIMITEDIMAGECACHE) {
+ m_pPageCache->CacheOptimization(status.m_Options.m_dwLimitCacheSize);
+ }
+#endif
+ if (status.m_bStopped) {
+ pDevice->RestoreState();
+ break;
+ }
+ }
+ pDevice->RestoreState();
+ }
+}
+void CPDF_RenderContext::DrawObjectList(CFX_RenderDevice* pDevice, CPDF_PageObjects* pObjs,
+ const CFX_AffineMatrix* pObject2Device, const CPDF_RenderOptions* pOptions)
+{
+ AppendObjectList(pObjs, pObject2Device);
+ Render(pDevice, pOptions);
+}
+CPDF_ProgressiveRenderer::CPDF_ProgressiveRenderer()
+{
+ m_pRenderer = NULL;
+ m_pContext = NULL;
+ m_pDevice = NULL;
+ m_Status = Ready;
+}
+CPDF_ProgressiveRenderer::~CPDF_ProgressiveRenderer()
+{
+ Clear();
+}
+void CPDF_ProgressiveRenderer::Clear()
+{
+ if (m_pRenderer) {
+ delete m_pRenderer;
+ m_pDevice->RestoreState();
+ m_pRenderer = NULL;
+ }
+ m_Status = Ready;
+}
+void CPDF_ProgressiveRenderer::Start(CPDF_RenderContext* pContext, CFX_RenderDevice* pDevice,
+ const CPDF_RenderOptions* pOptions, IFX_Pause* pPause, FX_BOOL bDropObjects)
+{
+ if (m_Status != Ready) {
+ m_Status = Failed;
+ return;
+ }
+ m_pContext = pContext;
+ m_pDevice = pDevice;
+ m_pOptions = pOptions;
+ m_bDropObjects = bDropObjects;
+ if (pContext == NULL || pDevice == NULL) {
+ m_Status = Failed;
+ return;
+ }
+ m_Status = ToBeContinued;
+ m_ObjectPos = NULL;
+ m_LayerIndex = 0;
+ m_ObjectIndex = 0;
+ m_PrevLastPos = NULL;
+ Continue(pPause);
+}
+#ifdef _FPDFAPI_MINI_
+#define RENDER_STEP_LIMIT 20
+#else
+#define RENDER_STEP_LIMIT 100
+#endif
+void CPDF_ProgressiveRenderer::Continue(IFX_Pause* pPause)
+{
+ if (m_Status != ToBeContinued) {
+ return;
+ }
+ FX_DWORD nLayers = m_pContext->m_ContentList.GetSize();
+ for (; m_LayerIndex < nLayers; m_LayerIndex ++) {
+ _PDF_RenderItem* pItem = m_pContext->m_ContentList.GetDataPtr(m_LayerIndex);
+ FX_POSITION LastPos = pItem->m_pObjectList->GetLastObjectPosition();
+ if (m_ObjectPos == NULL) {
+ if (LastPos == m_PrevLastPos) {
+ if (!pItem->m_pObjectList->IsParsed()) {
+ pItem->m_pObjectList->ContinueParse(pPause);
+ if (!pItem->m_pObjectList->IsParsed()) {
+ return;
+ }
+ LastPos = pItem->m_pObjectList->GetLastObjectPosition();
+ }
+ }
+ if (LastPos == m_PrevLastPos) {
+ if (m_pRenderer) {
+ delete m_pRenderer;
+ m_pRenderer = NULL;
+ m_pDevice->RestoreState();
+ m_ObjectPos = NULL;
+ m_PrevLastPos = NULL;
+ }
+ continue;
+ }
+ if (m_PrevLastPos) {
+ m_ObjectPos = m_PrevLastPos;
+ pItem->m_pObjectList->GetNextObject(m_ObjectPos);
+ } else {
+ m_ObjectPos = pItem->m_pObjectList->GetFirstObjectPosition();
+ }
+ m_PrevLastPos = LastPos;
+ }
+ if (m_pRenderer == NULL) {
+ m_ObjectPos = pItem->m_pObjectList->GetFirstObjectPosition();
+ m_ObjectIndex = 0;
+ m_pRenderer = FX_NEW CPDF_RenderStatus();
+ m_pRenderer->Initialize(0, m_pContext, m_pDevice, NULL, NULL, NULL, NULL,
+ m_pOptions, pItem->m_pObjectList->m_Transparency, m_bDropObjects, NULL);
+ m_pDevice->SaveState();
+ m_ClipRect = m_pDevice->GetClipBox();
+ CFX_AffineMatrix device2object;
+ device2object.SetReverse(pItem->m_Matrix);
+ device2object.TransformRect(m_ClipRect);
+ }
+ int objs_to_go = CPDF_ModuleMgr::Get()->GetRenderModule()->GetConfig()->m_RenderStepLimit;
+ while (m_ObjectPos) {
+ CPDF_PageObject* pCurObj = pItem->m_pObjectList->GetObjectAt(m_ObjectPos);
+ if (pCurObj && pCurObj->m_Left <= m_ClipRect.right && pCurObj->m_Right >= m_ClipRect.left &&
+ pCurObj->m_Bottom <= m_ClipRect.top && pCurObj->m_Top >= m_ClipRect.bottom) {
+ if (m_pRenderer->ContinueSingleObject(pCurObj, &pItem->m_Matrix, pPause)) {
+ return;
+ }
+#if !defined(_FPDFAPI_MINI_)
+ if (pCurObj->m_Type == PDFPAGE_IMAGE && m_pRenderer->m_Options.m_Flags & RENDER_LIMITEDIMAGECACHE) {
+ m_pContext->GetPageCache()->CacheOptimization(m_pRenderer->m_Options.m_dwLimitCacheSize);
+ }
+#endif
+ if (pCurObj->m_Type == PDFPAGE_FORM || pCurObj->m_Type == PDFPAGE_SHADING) {
+ objs_to_go = 0;
+ } else {
+ objs_to_go --;
+ }
+ }
+ m_ObjectIndex ++;
+ pItem->m_pObjectList->GetNextObject(m_ObjectPos);
+ if (objs_to_go == 0) {
+ if (pPause && pPause->NeedToPauseNow()) {
+ return;
+ }
+ objs_to_go = CPDF_ModuleMgr::Get()->GetRenderModule()->GetConfig()->m_RenderStepLimit;
+ }
+ }
+ if (!pItem->m_pObjectList->IsParsed()) {
+ return;
+ }
+ delete m_pRenderer;
+ m_pRenderer = NULL;
+ m_pDevice->RestoreState();
+ m_ObjectPos = NULL;
+ m_PrevLastPos = NULL;
+ if (pPause && pPause->NeedToPauseNow()) {
+ m_LayerIndex++;
+ return;
+ }
+ }
+ m_Status = Done;
+}
+int CPDF_ProgressiveRenderer::EstimateProgress()
+{
+ if (!m_pContext) {
+ return 0;
+ }
+ FX_DWORD nLayers = m_pContext->m_ContentList.GetSize();
+ int nTotal = 0, nRendered = 0;
+ for (FX_DWORD layer = 0; layer < nLayers; layer ++) {
+ _PDF_RenderItem* pItem = m_pContext->m_ContentList.GetDataPtr(layer);
+ int nObjs = pItem->m_pObjectList->CountObjects();
+ if (layer == m_LayerIndex) {
+ nRendered += m_ObjectIndex;
+ } else if (layer < m_LayerIndex) {
+ nRendered += nObjs;
+ }
+ nTotal += nObjs;
+ }
+ if (nTotal == 0) {
+ return 0;
+ }
+ return 100 * nRendered / nTotal;
+}
+CPDF_TransferFunc* CPDF_DocRenderData::GetTransferFunc(CPDF_Object* pObj)
+{
+ if (pObj == NULL) {
+ return NULL;
+ }
+ CPDF_CountedObject<CPDF_TransferFunc*>* pTransferCounter;
+ if (!m_TransferFuncMap.Lookup(pObj, pTransferCounter)) {
+ CPDF_TransferFunc* pTransfer = NULL;
+ CPDF_Function* pFuncs[3] = {NULL, NULL, NULL};
+ FX_BOOL bUniTransfer = TRUE;
+ int i;
+ FX_BOOL bIdentity = TRUE;
+ if (pObj->GetType() == PDFOBJ_ARRAY) {
+ bUniTransfer = FALSE;
+ CPDF_Array* pArray = (CPDF_Array*)pObj;
+ if (pArray->GetCount() < 3) {
+ return NULL;
+ }
+ for (FX_DWORD i = 0; i < 3; i ++) {
+ pFuncs[2 - i] = CPDF_Function::Load(pArray->GetElementValue(i));
+ if (pFuncs[2 - i] == NULL) {
+ return NULL;
+ }
+ }
+ } else {
+ pFuncs[0] = CPDF_Function::Load(pObj);
+ if (pFuncs[0] == NULL) {
+ return NULL;
+ }
+ }
+ pTransfer = FX_NEW CPDF_TransferFunc;
+ pTransfer->m_pPDFDoc = m_pPDFDoc;
+ pTransferCounter = FX_NEW CPDF_CountedObject<CPDF_TransferFunc*>;
+ pTransferCounter->m_nCount = 1;
+ pTransferCounter->m_Obj = pTransfer;
+ m_TransferFuncMap.SetAt(pObj, pTransferCounter);
+ static const int kMaxOutputs = 16;
+ FX_FLOAT output[kMaxOutputs];
+ FXSYS_memset32(output, 0, sizeof(output));
+ FX_FLOAT input;
+ int noutput;
+ for (int v = 0; v < 256; v ++) {
+ input = (FX_FLOAT)v / 255.0f;
+ if (bUniTransfer) {
+ if (pFuncs[0] && pFuncs[0]->CountOutputs() <= kMaxOutputs) {
+ pFuncs[0]->Call(&input, 1, output, noutput);
+ }
+ int o = FXSYS_round(output[0] * 255);
+ if (o != v) {
+ bIdentity = FALSE;
+ }
+ for (i = 0; i < 3; i ++) {
+ pTransfer->m_Samples[i * 256 + v] = o;
+ }
+ } else
+ for (i = 0; i < 3; i ++) {
+ if (pFuncs[i] && pFuncs[i]->CountOutputs() <= kMaxOutputs) {
+ pFuncs[i]->Call(&input, 1, output, noutput);
+ int o = FXSYS_round(output[0] * 255);
+ if (o != v) {
+ bIdentity = FALSE;
+ }
+ pTransfer->m_Samples[i * 256 + v] = o;
+ } else {
+ pTransfer->m_Samples[i * 256 + v] = v;
+ }
+ }
+ }
+ for (i = 0; i < 3; i ++)
+ if (pFuncs[i]) {
+ delete pFuncs[i];
+ }
+ pTransfer->m_bIdentity = bIdentity;
+ }
+ pTransferCounter->m_nCount++;
+ return pTransferCounter->m_Obj;
+}
+void CPDF_DocRenderData::ReleaseTransferFunc(CPDF_Object* pObj)
+{
+ CPDF_CountedObject<CPDF_TransferFunc*>* pTransferCounter;
+ if (!m_TransferFuncMap.Lookup(pObj, pTransferCounter)) {
+ return;
+ }
+ pTransferCounter->m_nCount--;
+}
+CPDF_RenderConfig::CPDF_RenderConfig()
+{
+ m_HalftoneLimit = 0;
+#ifdef _FPDFAPI_MINI_
+ m_RenderStepLimit = 20;
+#else
+ m_RenderStepLimit = 100;
+#endif
+}
+CPDF_RenderConfig::~CPDF_RenderConfig()
+{
+}
+CPDF_DeviceBuffer::CPDF_DeviceBuffer()
+{
+ m_pBitmap = NULL;
+ m_pDevice = NULL;
+ m_pContext = NULL;
+ m_pObject = NULL;
+}
+CPDF_DeviceBuffer::~CPDF_DeviceBuffer()
+{
+ if (m_pBitmap) {
+ delete m_pBitmap;
+ }
+}
+FX_BOOL CPDF_DeviceBuffer::Initialize(CPDF_RenderContext* pContext, CFX_RenderDevice* pDevice, FX_RECT* pRect,
+ const CPDF_PageObject* pObj, int max_dpi)
+{
+ m_pDevice = pDevice;
+ m_pContext = pContext;
+ m_Rect = *pRect;
+ m_pObject = pObj;
+ m_Matrix.TranslateI(-pRect->left, -pRect->top);
+#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
+ int horz_size = pDevice->GetDeviceCaps(FXDC_HORZ_SIZE);
+ int vert_size = pDevice->GetDeviceCaps(FXDC_VERT_SIZE);
+ if (horz_size && vert_size && max_dpi) {
+ int dpih = pDevice->GetDeviceCaps(FXDC_PIXEL_WIDTH) * 254 / (horz_size * 10);
+ int dpiv = pDevice->GetDeviceCaps(FXDC_PIXEL_HEIGHT) * 254 / (vert_size * 10);
+ if (dpih > max_dpi) {
+ m_Matrix.Scale((FX_FLOAT)(max_dpi) / dpih, 1.0f);
+ }
+ if (dpiv > max_dpi) {
+ m_Matrix.Scale(1.0f, (FX_FLOAT)(max_dpi) / (FX_FLOAT)dpiv);
+ }
+ }
+#ifdef _FPDFAPI_MINI_
+ m_Matrix.Scale(0.5f, 0.5f);
+#endif
+#endif
+ CFX_Matrix ctm = m_pDevice->GetCTM();
+ FX_FLOAT fScaleX = FXSYS_fabs(ctm.a);
+ FX_FLOAT fScaleY = FXSYS_fabs(ctm.d);
+ m_Matrix.Concat(fScaleX, 0, 0, fScaleY, 0, 0);
+ CFX_FloatRect rect(*pRect);
+ m_Matrix.TransformRect(rect);
+ FX_RECT bitmap_rect = rect.GetOutterRect();
+ m_pBitmap = FX_NEW CFX_DIBitmap;
+ m_pBitmap->Create(bitmap_rect.Width(), bitmap_rect.Height(), FXDIB_Argb);
+ return TRUE;
+}
+void CPDF_DeviceBuffer::OutputToDevice()
+{
+ if (m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_GET_BITS) {
+ if (m_Matrix.a == 1.0f && m_Matrix.d == 1.0f) {
+ m_pDevice->SetDIBits(m_pBitmap, m_Rect.left, m_Rect.top);
+ } else {
+ m_pDevice->StretchDIBits(m_pBitmap, m_Rect.left, m_Rect.top, m_Rect.Width(), m_Rect.Height());
+ }
+ } else {
+#if !defined(_FPDFAPI_MINI_) || defined(_FXCORE_FEATURE_ALL_)
+ CFX_DIBitmap buffer;
+ m_pDevice->CreateCompatibleBitmap(&buffer, m_pBitmap->GetWidth(), m_pBitmap->GetHeight());
+ m_pContext->GetBackground(&buffer, m_pObject, NULL, &m_Matrix);
+ buffer.CompositeBitmap(0, 0, buffer.GetWidth(), buffer.GetHeight(), m_pBitmap, 0, 0);
+ m_pDevice->StretchDIBits(&buffer, m_Rect.left, m_Rect.top, m_Rect.Width(), m_Rect.Height());
+#endif
+ }
+}
+CPDF_ScaledRenderBuffer::CPDF_ScaledRenderBuffer()
+{
+ m_pBitmapDevice = NULL;
+}
+CPDF_ScaledRenderBuffer::~CPDF_ScaledRenderBuffer()
+{
+ if (m_pBitmapDevice) {
+ delete m_pBitmapDevice;
+ }
+}
+#ifndef _FPDFAPI_MINI_
+#define _FPDFAPI_IMAGESIZE_LIMIT_ (30 * 1024 * 1024)
+#else
+#define _FPDFAPI_IMAGESIZE_LIMIT_ (10 * 1024 * 1024)
+#endif
+FX_BOOL CPDF_ScaledRenderBuffer::Initialize(CPDF_RenderContext* pContext, CFX_RenderDevice* pDevice, FX_RECT* pRect,
+ const CPDF_PageObject* pObj, const CPDF_RenderOptions *pOptions, int max_dpi)
+{
+ FXSYS_assert(pRect != NULL);
+ m_pDevice = pDevice;
+ if (m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_GET_BITS) {
+ return TRUE;
+ }
+ m_pContext = pContext;
+ m_Rect = *pRect;
+ m_pObject = pObj;
+ m_Matrix.TranslateI(-pRect->left, -pRect->top);
+ int horz_size = pDevice->GetDeviceCaps(FXDC_HORZ_SIZE);
+ int vert_size = pDevice->GetDeviceCaps(FXDC_VERT_SIZE);
+ if (horz_size && vert_size && max_dpi) {
+ int dpih = pDevice->GetDeviceCaps(FXDC_PIXEL_WIDTH) * 254 / (horz_size * 10);
+ int dpiv = pDevice->GetDeviceCaps(FXDC_PIXEL_HEIGHT) * 254 / (vert_size * 10);
+ if (dpih > max_dpi) {
+ m_Matrix.Scale((FX_FLOAT)(max_dpi) / dpih, 1.0f);
+ }
+ if (dpiv > max_dpi) {
+ m_Matrix.Scale(1.0f, (FX_FLOAT)(max_dpi) / (FX_FLOAT)dpiv);
+ }
+ }
+ m_pBitmapDevice = FX_NEW CFX_FxgeDevice;
+ FXDIB_Format dibFormat = FXDIB_Rgb;
+ FX_INT32 bpp = 24;
+ if (m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_ALPHA_OUTPUT) {
+ dibFormat = FXDIB_Argb;
+ bpp = 32;
+ }
+ CFX_FloatRect rect;
+ FX_INT32 iWidth, iHeight, iPitch;
+ while (1) {
+ rect = *pRect;
+ m_Matrix.TransformRect(rect);
+ FX_RECT bitmap_rect = rect.GetOutterRect();
+ iWidth = bitmap_rect.Width();
+ iHeight = bitmap_rect.Height();
+ iPitch = (iWidth * bpp + 31) / 32 * 4;
+ if (iWidth * iHeight < 1) {
+ return FALSE;
+ }
+ if (iPitch * iHeight <= _FPDFAPI_IMAGESIZE_LIMIT_ &&
+ m_pBitmapDevice->Create(iWidth, iHeight, dibFormat)) {
+ break;
+ }
+ m_Matrix.Scale(0.5f, 0.5f);
+ }
+#if !defined(_FPDFAPI_MINI_) || defined(_FXCORE_FEATURE_ALL_)
+ m_pContext->GetBackground(m_pBitmapDevice->GetBitmap(), m_pObject, pOptions, &m_Matrix);
+#endif
+ return TRUE;
+}
+void CPDF_ScaledRenderBuffer::OutputToDevice()
+{
+ if (m_pBitmapDevice) {
+ m_pDevice->StretchDIBits(m_pBitmapDevice->GetBitmap(), m_Rect.left, m_Rect.top, m_Rect.Width(), m_Rect.Height());
+ }
+}
+FX_BOOL IPDF_OCContext::CheckObjectVisible(const CPDF_PageObject* pObj)
+{
+ const CPDF_ContentMarkData* pData = pObj->m_ContentMark;
+ int nItems = pData->CountItems();
+ for (int i = 0; i < nItems; i ++) {
+ CPDF_ContentMarkItem& item = pData->GetItem(i);
+ if (item.GetName() == FX_BSTRC("OC") && item.GetParamType() == CPDF_ContentMarkItem::PropertiesDict) {
+ CPDF_Dictionary* pOCG = (CPDF_Dictionary*)item.GetParam();
+ if (!CheckOCGVisible(pOCG)) {
+ return FALSE;
+ }
+ }
+ }
+ return TRUE;
+}
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