// 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; | |
} |