diff options
Diffstat (limited to 'core/src/reflow/reflowedpage.cpp')
| -rw-r--r-- | core/src/reflow/reflowedpage.cpp | 622 |
1 files changed, 0 insertions, 622 deletions
diff --git a/core/src/reflow/reflowedpage.cpp b/core/src/reflow/reflowedpage.cpp deleted file mode 100644 index 3335eed678..0000000000 --- a/core/src/reflow/reflowedpage.cpp +++ /dev/null @@ -1,622 +0,0 @@ -// 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/reflow/reflowengine.h" -#include "reflowedpage.h" -CPDF_ProgressiveReflowPageParser::CPDF_ProgressiveReflowPageParser() -{ - m_nObjProcessed = 0; - m_pReflowEngine = NULL; - m_pProvider = NULL; -} -CPDF_ProgressiveReflowPageParser::~CPDF_ProgressiveReflowPageParser() -{ - if(m_pProvider) { - delete m_pProvider; - } - m_pProvider = NULL; - if(m_pReflowEngine) { - delete m_pReflowEngine; - } - m_pReflowEngine = NULL; -} -void CPDF_ProgressiveReflowPageParser::Init() -{ - m_Status = Ready; -} -CPDF_ReflowedPage::CPDF_ReflowedPage(CFX_GrowOnlyPool* pMemoryPool) -{ - m_PageWidth = 0; - m_PageHeight = 0; - m_bWaiting = TRUE; - if(pMemoryPool) { - m_pMemoryPool = pMemoryPool; - m_bCreateMemoryPool = FALSE; - } else { - m_pMemoryPool = FX_NEW CFX_GrowOnlyPool; - m_bCreateMemoryPool = TRUE; - } - m_pCharState = FX_NEW CRF_CharStateArray(10); - m_pReflowed = FX_NEW CRF_DataPtrArray(500); - m_pPageInfos = NULL; -} -CPDF_ReflowedPage::~CPDF_ReflowedPage() -{ - if (m_pReflowed) { - for(int i = 0; i < m_pReflowed->GetSize(); i++) { - CRF_Data* pData = (*m_pReflowed)[i]; - if(pData->m_Type == CRF_Data::Image) { - delete ((CRF_ImageData*)pData)->m_pBitmap; - } - } - m_pReflowed->RemoveAll(); - delete m_pReflowed; - } - m_pReflowed = NULL; - if (m_pCharState) { - m_pCharState->RemoveAll(); - delete m_pCharState; - } - m_pCharState = NULL; - if(m_bCreateMemoryPool && m_pMemoryPool) { - m_pMemoryPool->FreeAll(); - } - if (m_pMemoryPool) { - delete m_pMemoryPool; - } - m_pMemoryPool = NULL; - m_pPDFPage = NULL; - if (m_pPageInfos) { - ReleasePageObjsMemberShip(); - } -} -FX_BOOL CPDF_ReflowedPage::RetainPageObjsMemberShip() -{ - if (NULL == m_pPDFPage) { - return FALSE; - } - if (NULL == m_pPageInfos) { - m_pPageInfos = FX_NEW CFX_MapPtrToPtr(); - } else { - return TRUE; - } - FX_POSITION pos = m_pPDFPage->GetFirstObjectPosition(); - if (!pos) { - return FALSE; - } - CPDF_PageObject* pPageObj = NULL; - while (pos) { - pPageObj = m_pPDFPage->GetNextObject(pos); - MarkPageObjMemberShip(pPageObj, NULL); - pPageObj = NULL; - } - return TRUE; -} -void CPDF_ReflowedPage::MarkPageObjMemberShip(CPDF_PageObject* pObj, CRF_PageInfo* pParent) -{ - if (NULL == m_pPageInfos) { - return; - } - CRF_PageInfo* pPageInfo = FX_NEW CRF_PageInfo(pObj, pParent); - if (NULL == pPageInfo) { - return; - } - m_pPageInfos->SetAt(pObj, pPageInfo); - if (PDFPAGE_FORM != pObj->m_Type) { - return; - } - CPDF_FormObject* pFormObj = (CPDF_FormObject*)pObj; - FX_POSITION pos; - pos = pFormObj->m_pForm->GetFirstObjectPosition(); - if (!pos) { - return; - } - CPDF_PageObject* pPageObj = NULL; - while (pos) { - pPageObj = pFormObj->m_pForm->GetNextObject(pos); - MarkPageObjMemberShip(pPageObj, pPageInfo); - pPageObj = NULL; - } -} -void CPDF_ReflowedPage::ReleasePageObjsMemberShip() -{ - if (NULL == m_pPageInfos) { - return; - } - CPDF_PageObject* pPageObj = NULL; - CRF_PageInfo* pPageInfo = NULL; - FX_POSITION pos = m_pPageInfos->GetStartPosition(); - while (pos) { - m_pPageInfos->GetNextAssoc(pos, (void*&)pPageObj, (void*&)pPageInfo); - delete pPageInfo; - } - m_pPageInfos->RemoveAll(); - delete m_pPageInfos; - m_pPageInfos = NULL; -} -CPDF_Dictionary* CPDF_ReflowedPage::GetFormResDict(CPDF_PageObject* pObj) -{ - if (NULL == m_pPageInfos) { - return NULL; - } - if (FALSE == RetainPageObjsMemberShip()) { - return NULL; - } - CRF_PageInfo* pPageInfo = (CRF_PageInfo*)m_pPageInfos->GetValueAt(pObj); - if (NULL == pPageInfo) { - return NULL; - } - return pPageInfo->GetFormDict(); -} -void CPDF_ReflowedPage::GetDisplayMatrix(CFX_AffineMatrix& matrix, int32_t xPos, int32_t yPos, int32_t xSize, int32_t ySize, int32_t iRotate, const CFX_AffineMatrix* pPageMatrix) -{ - CFX_AffineMatrix display_matrix; - if(m_PageHeight == 0) { - matrix.Set(1, 0, 0, -1, 0, 0); - return; - } - int32_t x0, y0, x1, y1, x2, y2; - iRotate %= 4; - switch (iRotate) { - case 0: - x0 = xPos; - y0 = yPos; - x1 = xPos; - y1 = yPos + ySize; - x2 = xPos + xSize; - y2 = yPos; - break; - case 3: - x0 = xPos; - y0 = ySize + yPos; - x1 = xPos + xSize; - y1 = yPos + ySize; - x2 = xPos; - y2 = yPos; - break; - case 2: - x0 = xSize + xPos; - y0 = ySize + yPos; - x1 = xSize + xPos ; - y1 = yPos; - x2 = xPos; - y2 = ySize + yPos; - break; - case 1: - x0 = xPos + xSize; - y0 = yPos; - x1 = xPos; - y1 = yPos; - x2 = xPos + xSize; - y2 = yPos + ySize; - break; - } - display_matrix.Set(FXSYS_Div((FX_FLOAT)(x2 - x0), m_PageWidth), - FXSYS_Div((FX_FLOAT)(y2 - y0), m_PageWidth), - FXSYS_Div((FX_FLOAT)(x1 - x0), m_PageHeight), - FXSYS_Div((FX_FLOAT)(y1 - y0), m_PageHeight), - (FX_FLOAT)(x0), (FX_FLOAT)(y0)); - matrix.Set(1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f); - matrix.Concat(display_matrix); - return; -} -FX_FLOAT CPDF_ReflowedPage::GetPageHeight() -{ - return m_PageHeight; -} -void CPDF_ReflowedPage::FocusGetData(const CFX_AffineMatrix matrix, int32_t x, int32_t y, CFX_ByteString& str) -{ - if (NULL == m_pReflowed) { - return; - } - CFX_AffineMatrix revMatrix; - revMatrix.SetReverse(matrix); - FX_FLOAT x1, y1; - revMatrix.Transform((float)x, (float)y, x1, y1); - int count = m_pReflowed->GetSize(); - FX_FLOAT dx = 1000, dy = 1000; - int32_t pos = 0; - int32_t i; - for(i = 0; i < count; i++) { - CRF_Data* pData = (*m_pReflowed)[i]; - FX_FLOAT tempdy = FXSYS_fabs(pData->m_PosY - y1); - if(FXSYS_fabs(tempdy - dy) < 1) { - continue; - } - CFX_FloatRect rect (0, pData->m_PosY + pData->m_Height, m_PageWidth, pData->m_PosY); - if(rect.Contains(x1, y1)) { - pos = i; - dx = 0; - dy = 0; - break; - } else if(tempdy < dy) { - dy = tempdy; - dx = FXSYS_fabs(pData->m_PosX - x1); - pos = i; - } else if (tempdy == dy) { - FX_FLOAT tempdx = FXSYS_fabs(pData->m_PosX - x1); - if(tempdx < dx) { - dx = tempdx; - pos = i; - } - } else if (tempdy > dy) { - break; - } - } - if(dx != 0 || dy != 0) { - count = count < (pos + 10) ? count : (pos + 10); - for(i = 0 > (pos - 10) ? 0 : (pos - 10); i < count; i++) { - CRF_Data* pData = (*m_pReflowed)[i]; - FX_FLOAT tempdy = FXSYS_fabs(pData->m_PosY - y1); - if(tempdy < dy) { - dy = tempdy; - dx = FXSYS_fabs(pData->m_PosX - x1); - pos = i; - } else if (tempdy == dy) { - FX_FLOAT tempdx = FXSYS_fabs(pData->m_PosX - x1); - if(tempdx < dx) { - dx = tempdx; - pos = i; - } - } - } - } - str.Format("%d", pos); -} -FX_BOOL CPDF_ReflowedPage::FocusGetPosition(const CFX_AffineMatrix matrix, CFX_ByteString str, int32_t& x, int32_t& y) -{ - if (NULL == m_pReflowed) { - return FALSE; - } - int32_t pos = FXSYS_atoi(str); - if(pos < 0 || pos >= m_pReflowed->GetSize()) { - return FALSE; - } - CRF_Data* pData = (*m_pReflowed)[pos]; - FX_FLOAT x1, y1; - matrix.Transform(pData->m_PosX, pData->m_PosY + pData->m_Height, x1, y1); - x = (int)x1; - y = (int)y1; - return TRUE; -} -int CPDF_ProgressiveReflowPageParser::GetPosition() -{ - if(!m_pProvider) { - return 0; - } - if(!m_pReflowEngine) { - return m_pProvider->GetPosition() / 2; - } - return m_pProvider->GetPosition() / 2 + m_pReflowEngine->GetPosition() / 2; -} -void CPDF_ProgressiveReflowPageParser::Continue(IFX_Pause* pPause) -{ - if (NULL == m_pReflowPage) { - return; - } - if(m_Status != ToBeContinued) { - return; - } - m_pPause = pPause; - if(m_pReflowEngine) { - if(m_pReflowEngine->Continue() != LayoutToBeContinued) { - m_Status = Done; - } - } else { - if(m_pProvider->Continue() == LayoutFinished) { - m_pReflowEngine = IPDF_LayoutProcessor::Create_LayoutProcessor_Reflow(m_TopIndent, m_ReflowedWidth, m_fScreenHeight, m_pReflowPage, m_flags, m_ParseStyle.m_LineSpace); - CFX_AffineMatrix matrix; - m_pPDFPage->GetDisplayMatrix(matrix, 0, 0, (int)(m_pPDFPage->GetPageWidth()), (int)(m_pPDFPage->GetPageHeight()), 0); - if(m_pReflowEngine->StartProcess(m_pProvider->GetRoot(), m_pPause, &matrix) != LayoutToBeContinued) { - m_Status = Done; - } - } - } - if(m_TopIndent && m_Status == Done) { - m_pReflowPage->m_PageHeight -= m_TopIndent; - } -} -void CPDF_ProgressiveReflowPageParser::Clear() -{ - Init(); - return; -} -FX_BOOL IPDF_ProgressiveReflowPageParser::IsTaggedPage(CPDF_PageObjects*pPage) -{ - if(!pPage) { - return FALSE; - } - CPDF_StructTree* pPageTree = CPDF_StructTree::LoadPage(pPage->m_pDocument, pPage->m_pFormDict); - if(pPageTree) { - int count = pPageTree->CountTopElements(); - if(count) { - for(int i = 0; i < count; i++) { - CPDF_StructElement* pElm = pPageTree->GetTopElement(i); - if(pElm) { - delete pPageTree; - pPageTree = NULL; - return TRUE; - } - } - } - delete pPageTree; - pPageTree = NULL; - return FALSE; - } - return FALSE; -} -void CPDF_ProgressiveReflowPageParser::Start(IPDF_ReflowedPage* pReflowPage, CPDF_Page* pPage, FX_FLOAT topIndent, FX_FLOAT fWidth, FX_FLOAT fHeight, IFX_Pause* pPause, int flags) -{ - if (NULL == pReflowPage) { - m_Status = Failed; - return; - } - m_flags = flags; - m_pReflowPage = (CPDF_ReflowedPage*)pReflowPage; - m_pReflowPage->m_pPDFPage = pPage; - m_pReflowPage->ReleasePageObjsMemberShip(); - m_pPDFPage = pPage; - m_TopIndent = topIndent; - m_pPause = pPause; - m_fScreenHeight = fHeight; - m_ReflowedWidth = fWidth; - m_pProvider = IPDF_LayoutProvider::Create_LayoutProvider_TaggedPDF(m_pPDFPage); - LayoutStatus status = m_pProvider->StartLoad(pPause); - if(status == LayoutError) { - delete m_pProvider; - m_pProvider = IPDF_LayoutProvider::Create_LayoutProvider_AutoReflow(m_pPDFPage, m_flags & RF_PARSER_READERORDER); - if (NULL == m_pProvider) { - m_Status = Failed; - return; - } - status = m_pProvider->StartLoad(pPause); - } - if(status == LayoutError) { - delete m_pProvider; - m_pProvider = NULL; - m_Status = Failed; - return; - } - if(status == LayoutToBeContinued) { - m_Status = ToBeContinued; - } else if (status == LayoutFinished) { - m_pReflowEngine = IPDF_LayoutProcessor::Create_LayoutProcessor_Reflow(topIndent, fWidth, fHeight, pReflowPage, m_flags, m_ParseStyle.m_LineSpace); - if(NULL == m_pReflowEngine) { - delete m_pProvider; - m_pProvider = NULL; - m_Status = Failed; - return; - } - CFX_AffineMatrix matrix; - pPage->GetDisplayMatrix(matrix, 0, 0, (int)(pPage->GetPageWidth()), (int)(pPage->GetPageHeight()), 0); - CFX_AffineMatrix matrix1 = pPage->GetPageMatrix(); - if((status = m_pReflowEngine->StartProcess(m_pProvider->GetRoot(), pPause, &matrix)) != LayoutToBeContinued) { - delete m_pReflowEngine; - m_pReflowEngine = NULL; - m_Status = Done; - } else { - m_Status = ToBeContinued; - } - } - if(status != LayoutToBeContinued) { - delete m_pProvider; - m_pProvider = NULL; - } - if(m_TopIndent && m_Status == Done) { - m_pReflowPage->m_PageHeight -= m_TopIndent; - } - return; -} -CPDF_ProgressiveReflowPageRender::~CPDF_ProgressiveReflowPageRender() -{ - if(m_pDisplayMatrix) { - delete m_pDisplayMatrix; - } - m_pDisplayMatrix = NULL; -} -CPDF_ProgressiveReflowPageRender::CPDF_ProgressiveReflowPageRender() -{ - m_Status = Ready; - m_pReflowPage = NULL; - m_pDisplayMatrix = NULL; - m_CurrNum = 0; - m_pFontEncoding = NULL; - m_DisplayColor = -1; -} -static FX_FLOAT _CIDTransformToFloat(uint8_t ch) -{ - if (ch < 128) { - return ch * 1.0f / 127; - } - return (-255 + ch) * 1.0f / 127; -} -int CPDF_ProgressiveReflowPageRender::GetPosition() -{ - if(m_CurrNum == 0 || NULL == m_pReflowPage) { - return 0; - } - int size = m_pReflowPage->m_pReflowed->GetSize(); - if(size == 0 || m_CurrNum >= size) { - return 100; - } - return (int)(m_CurrNum * 100 / size); -} -void CPDF_ProgressiveReflowPageRender::Display(IFX_Pause* pPause) -{ - if (NULL == m_pReflowPage) { - m_Status = Done; - return; - } - FX_RECT clipBox = m_pFXDevice->GetClipBox(); - int size = m_pReflowPage->m_pReflowed->GetSize(); - if (size < 1 || NULL == m_pDisplayMatrix) { - m_Status = Done; - return; - } - for(int i = m_CurrNum; i < size; i++) { - CRF_Data* pData = (*m_pReflowPage->m_pReflowed)[i]; - if(!pData) { - continue; - } - CFX_FloatRect rect (pData->m_PosX, pData->m_PosY + pData->m_Height, pData->m_PosX + pData->m_Width, pData->m_PosY); - m_pDisplayMatrix->TransformRect(rect); - if(rect.left > clipBox.right || rect.right < clipBox.left || rect.bottom > clipBox.bottom || rect.top < clipBox.top) { - continue; - } - if(pData->GetType() == CRF_Data::Text) { - CRF_CharData* pCharData = (CRF_CharData*)pData; - CPDF_Font* pPDFFont = pCharData->m_pCharState->m_pFont; - if(pPDFFont->GetFontType() == PDFFONT_TYPE3) { - continue; - } - FX_FLOAT x = pData->m_PosX, y = pData->m_PosY - pCharData->m_pCharState->m_fDescent; - FXTEXT_CHARPOS charpos ; - charpos.m_GlyphIndex = pPDFFont->GlyphFromCharCode(pCharData->m_CharCode); - charpos.m_FontCharWidth = pPDFFont->m_Font.GetGlyphWidth(charpos.m_GlyphIndex); - charpos.m_OriginX = x; - charpos.m_OriginY = y; - FX_FLOAT charW = pData->m_Width * 1000 / pData->m_Height; - if(charW != charpos.m_FontCharWidth) { - charpos.m_bGlyphAdjust = TRUE; - charpos.m_AdjustMatrix[0] = charW / charpos.m_FontCharWidth; - charpos.m_AdjustMatrix[1] = 0; - charpos.m_AdjustMatrix[2] = 0; - charpos.m_AdjustMatrix[3] = 1; - } else { - charpos.m_bGlyphAdjust = FALSE; - } - FX_BOOL bRet = FALSE; - if(m_DisplayColor == -1) - bRet = m_pFXDevice->DrawNormalText(1, &charpos, &(pPDFFont->m_Font), - NULL, pCharData->m_pCharState->m_fFontSize, - m_pDisplayMatrix, pCharData->m_pCharState->m_Color + 0xff000000, FXTEXT_CLEARTYPE); - else - bRet = m_pFXDevice->DrawNormalText(1, &charpos, &(pPDFFont->m_Font), - NULL, pCharData->m_pCharState->m_fFontSize, m_pDisplayMatrix, m_DisplayColor, FXTEXT_CLEARTYPE); - } else if(pData->GetType() == CRF_Data::Image) { - CRF_ImageData* pImageData = (CRF_ImageData*)pData; - if(!pImageData->m_pBitmap) { - continue; - } - int left = 0, top = 0; - CFX_DIBitmap* pDiBmp = NULL; - CFX_DIBSource* pDispSource = pImageData->m_pBitmap; - if(pImageData->m_Matrix.d < 0) { - CFX_AffineMatrix matrix(pImageData->m_Matrix.a, 0, 0, -pImageData->m_Matrix.d, 0, 0); - int left, top; - pDiBmp = pImageData->m_pBitmap->TransformTo(&matrix, left, top); - pDispSource = pDiBmp; - } - if (NULL == pDispSource) { - continue; - } - if (pDispSource->GetFormat() == FXDIB_1bppMask || pDispSource->GetFormat() == FXDIB_8bppMask) { - m_pFXDevice->StretchBitMask(pDispSource, (int)(rect.left + 0.5), (int)(rect.bottom + 0.5), (int)(rect.Width() + 0.5), (int)(rect.Height() + 0.5), 0xff000000); - } else { - m_pFXDevice->StretchDIBits(pDispSource, (int)(rect.left + 0.5), (int)(rect.bottom + 0.5), (int)(rect.Width() + 0.5), (int)(rect.Height() + 0.5)); - } - if(m_pFXDevice->GetBitmap() && m_pFXDevice->GetBitmap()->GetFormat() == FXDIB_8bppRgb && - m_pFXDevice->GetBitmap()->GetPalette() == NULL) { - int nPalette = 0; - switch(m_DitherBits) { - case 0: - nPalette = 0; - break; - case 1: - nPalette = 2; - break; - case 2: - nPalette = 4; - break; - case 3: - nPalette = 8; - break; - case 4: - nPalette = 16; - break; - case 5: - nPalette = 32; - break; - case 6: - nPalette = 64; - break; - case 7: - nPalette = 128; - break; - default: - nPalette = 256; - break; - } - if(nPalette >= 2) { - FX_ARGB * palette = FX_Alloc(FX_ARGB, nPalette); - nPalette --; - palette[0] = 0; - palette[nPalette] = 255; - FX_FLOAT Dither = (FX_FLOAT)255 / (nPalette); - for(int i = 1; i < nPalette; i++) { - palette[i] = (FX_ARGB)(Dither * i + 0.5); - } - FX_RECT tmpRect = rect.GetOutterRect(); - m_pFXDevice->GetBitmap()->DitherFS(palette, nPalette + 1, &tmpRect); - FX_Free (palette); - } - } - if(pDiBmp) { - delete pDiBmp; - } - } else if(pData->GetType() == CRF_Data::Path) { - } - if(!(i % 10)) { - if(pPause && pPause->NeedToPauseNow()) { - i++; - m_CurrNum = i; - m_Status = ToBeContinued; - return; - } - } - } - m_CurrNum = size; - m_Status = Done; -} -void CPDF_ProgressiveReflowPageRender::Start(IPDF_ReflowedPage* pReflowPage, CFX_RenderDevice* pDevice, const CFX_AffineMatrix* pMatrix, IFX_Pause* pPause, int DitherBits) -{ - if(!pReflowPage || !pDevice || !pMatrix) { - m_Status = Failed; - return; - } - m_DitherBits = DitherBits; - m_Status = Ready; - m_CurrNum = 0; - m_pReflowPage = (CPDF_ReflowedPage*)pReflowPage; - m_pFXDevice = pDevice; - if(NULL == m_pDisplayMatrix) { - m_pDisplayMatrix = FX_NEW CFX_AffineMatrix; - } - if (m_pDisplayMatrix) { - m_pDisplayMatrix->Copy(*pMatrix); - } - m_Status = ToBeContinued; - Display(pPause); -} -void CPDF_ProgressiveReflowPageRender::Continue(IFX_Pause* pPause) -{ - Display(pPause); -} -void CPDF_ProgressiveReflowPageRender::SetDisplayColor(FX_COLORREF color) -{ - m_DisplayColor = color; -} -void CPDF_ProgressiveReflowPageRender::Clear() -{ - if (m_pDisplayMatrix) { - delete m_pDisplayMatrix; - } - m_pDisplayMatrix = NULL; - m_pReflowPage = NULL; - m_pFXDevice = NULL; - m_CurrNum = 0; - m_Status = Ready; -} |