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Diffstat (limited to 'core/src/reflow/reflowedpage.cpp')
-rw-r--r--core/src/reflow/reflowedpage.cpp622
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;
-}