CFX_FloatRect CPDFSDK_WidgetHandler::GetViewBBox(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot) {
if (!pAnnot->IsSignatureWidget() && m_pFormFiller)
return CFX_FloatRect(m_pFormFiller->GetViewBBox(pPageView, pAnnot));
return CFX_FloatRect(0, 0, 0, 0);
}
CFX_FloatRect CPDF_ClipPath::GetClipBox() const {
CFX_FloatRect rect;
bool bStarted = false;
if (GetPathCount() > 0) {
rect = GetPath(0).GetBoundingBox();
for (size_t i = 1; i < GetPathCount(); ++i) {
CFX_FloatRect path_rect = GetPath(i).GetBoundingBox();
rect.Intersect(path_rect);
}
bStarted = true;
}
CFX_FloatRect layer_rect;
bool bLayerStarted = false;
for (size_t i = 0; i < GetTextCount(); ++i) {
CPDF_TextObject* pTextObj = GetText(i);
if (pTextObj) {
if (bLayerStarted) {
layer_rect.Union(CFX_FloatRect(pTextObj->GetBBox()));
} else {
layer_rect = CFX_FloatRect(pTextObj->GetBBox());
bLayerStarted = true;
}
} else {
if (bStarted) {
rect.Intersect(layer_rect);
} else {
rect = layer_rect;
bStarted = true;
}
bLayerStarted = false;
}
}
return rect;
}
CFX_FloatRect CPDF_PageObjects::CalcBoundingBox() const
{
if (m_ObjectList.GetCount() == 0) {
return CFX_FloatRect(0, 0, 0, 0);
}
FX_FLOAT left, right, top, bottom;
left = bottom = 1000000 * 1.0f;
right = top = -1000000 * 1.0f;
FX_POSITION pos = m_ObjectList.GetHeadPosition();
while (pos) {
CPDF_PageObject* pObj = (CPDF_PageObject*)m_ObjectList.GetNext(pos);
if (left > pObj->m_Left) {
left = pObj->m_Left;
}
if (right < pObj->m_Right) {
right = pObj->m_Right;
}
if (top < pObj->m_Top) {
top = pObj->m_Top;
}
if (bottom > pObj->m_Bottom) {
bottom = pObj->m_Bottom;
}
}
return CFX_FloatRect(left, bottom, right, top);
}
CFX_FloatRect CPDFSDK_BFAnnotHandler::GetViewBBox(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot) {
CFX_ByteString sSubType = pAnnot->GetSubType();
if (sSubType != BFFT_SIGNATURE && m_pFormFiller)
return CFX_FloatRect(m_pFormFiller->GetViewBBox(pPageView, pAnnot));
return CFX_FloatRect(0, 0, 0, 0);
}
CFX_FloatRect CFFL_FormFiller::GetPDFWindowRect() const {
CFX_FloatRect rectAnnot;
m_pWidget->GetPDFAnnot()->GetRect(rectAnnot);
FX_FLOAT fWidth = rectAnnot.right - rectAnnot.left;
FX_FLOAT fHeight = rectAnnot.top - rectAnnot.bottom;
if ((m_pWidget->GetRotate() / 90) & 0x01)
return CFX_FloatRect(0, 0, fHeight, fWidth);
return CFX_FloatRect(0, 0, fWidth, fHeight);
}
FX_FLOAT GetMinMaxValue(CPDF_RectArray& array,
FPDF_TYPE type,
FPDF_VALUE value) {
int nRects = array.GetSize();
FX_FLOAT fRet = 0.0f;
if (nRects <= 0)
return 0.0f;
FX_FLOAT* pArray = new FX_FLOAT[nRects];
switch (value) {
case LEFT: {
for (int i = 0; i < nRects; i++)
pArray[i] = CFX_FloatRect(array.GetAt(i)).left;
break;
}
case TOP: {
for (int i = 0; i < nRects; i++)
pArray[i] = CFX_FloatRect(array.GetAt(i)).top;
break;
}
case RIGHT: {
for (int i = 0; i < nRects; i++)
pArray[i] = CFX_FloatRect(array.GetAt(i)).right;
break;
}
case BOTTOM: {
for (int i = 0; i < nRects; i++)
pArray[i] = CFX_FloatRect(array.GetAt(i)).bottom;
break;
}
default:
// Not reachable.
return 0.0f;
}
fRet = pArray[0];
if (type == MAX) {
for (int i = 1; i < nRects; i++)
if (fRet <= pArray[i])
fRet = pArray[i];
} else {
for (int i = 1; i < nRects; i++)
if (fRet >= pArray[i])
fRet = pArray[i];
}
delete[] pArray;
return fRet;
}
CFX_FloatRect CFFL_FormFiller::GetWindowRect(CPDFSDK_PageView* pPageView) {
if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, FALSE)) {
return pWnd->GetWindowRect();
}
return CFX_FloatRect(0, 0, 0, 0);
}
void CPWL_ComboBox::CreateListBox(const PWL_CREATEPARAM& cp) {
if (!m_pList) {
m_pList = new CPWL_CBListBox;
m_pList->AttachFFLData(m_pFormFiller);
PWL_CREATEPARAM lcp = cp;
lcp.pParentWnd = this;
lcp.dwFlags =
PWS_CHILD | PWS_BORDER | PWS_BACKGROUND | PLBS_HOVERSEL | PWS_VSCROLL;
lcp.nBorderStyle = BorderStyle::SOLID;
lcp.dwBorderWidth = 1;
lcp.eCursorType = FXCT_ARROW;
lcp.rcRectWnd = CFX_FloatRect(0, 0, 0, 0);
if (cp.dwFlags & PWS_AUTOFONTSIZE)
lcp.fFontSize = PWLCB_DEFAULTFONTSIZE;
else
lcp.fFontSize = cp.fFontSize;
if (cp.sBorderColor.nColorType == COLORTYPE_TRANSPARENT)
lcp.sBorderColor = PWL_DEFAULT_BLACKCOLOR;
if (cp.sBackgroundColor.nColorType == COLORTYPE_TRANSPARENT)
lcp.sBackgroundColor = PWL_DEFAULT_WHITECOLOR;
m_pList->Create(lcp);
}
}
CFX_FloatRect CPDF_PageObjectHolder::CalcBoundingBox() const {
if (m_PageObjectList.empty())
return CFX_FloatRect(0, 0, 0, 0);
FX_FLOAT left = 1000000.0f;
FX_FLOAT right = -1000000.0f;
FX_FLOAT bottom = 1000000.0f;
FX_FLOAT top = -1000000.0f;
for (const auto& pObj : m_PageObjectList) {
left = std::min(left, pObj->m_Left);
right = std::max(right, pObj->m_Right);
bottom = std::min(bottom, pObj->m_Bottom);
top = std::max(top, pObj->m_Top);
}
return CFX_FloatRect(left, bottom, right, top);
}
bool CPDF_DeviceBuffer::Initialize(CPDF_RenderContext* pContext,
CFX_RenderDevice* pDevice,
const FX_RECT& rect,
const CPDF_PageObject* pObj,
int max_dpi) {
m_pDevice = pDevice;
m_pContext = pContext;
m_Rect = rect;
m_pObject = pObj;
m_Matrix.Translate(-rect.left, -rect.top);
#if _FX_PLATFORM_ != _FX_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((float)(max_dpi) / dpih, 1.0f);
if (dpiv > max_dpi)
m_Matrix.Scale(1.0f, (float)(max_dpi) / (float)dpiv);
}
#endif
FX_RECT bitmap_rect =
m_Matrix.TransformRect(CFX_FloatRect(rect)).GetOuterRect();
m_pBitmap = pdfium::MakeRetain<CFX_DIBitmap>();
m_pBitmap->Create(bitmap_rect.Width(), bitmap_rect.Height(), FXDIB_Argb);
return true;
}
CFX_FloatRect CPDF_VariableText::InToOut(const CPVT_FloatRect& rect) const {
CFX_FloatPoint ptLeftTop = InToOut(CFX_FloatPoint(rect.left, rect.top));
CFX_FloatPoint ptRightBottom =
InToOut(CFX_FloatPoint(rect.right, rect.bottom));
return CFX_FloatRect(ptLeftTop.x, ptRightBottom.y, ptRightBottom.x,
ptLeftTop.y);
}
Optional<PAGECHAR_INFO> CPDF_TextPage::GenerateCharInfo(wchar_t unicode) {
const PAGECHAR_INFO* pPrevCharInfo = GetPrevCharInfo();
if (!pPrevCharInfo)
return {};
PAGECHAR_INFO info;
info.m_Index = m_TextBuf.GetLength();
info.m_CharCode = CPDF_Font::kInvalidCharCode;
info.m_Unicode = unicode;
info.m_Flag = FPDFTEXT_CHAR_GENERATED;
int preWidth = 0;
if (pPrevCharInfo->m_pTextObj && pPrevCharInfo->m_CharCode != -1) {
preWidth = GetCharWidth(pPrevCharInfo->m_CharCode,
pPrevCharInfo->m_pTextObj->GetFont());
}
float fFontSize = pPrevCharInfo->m_pTextObj
? pPrevCharInfo->m_pTextObj->GetFontSize()
: pPrevCharInfo->m_CharBox.Height();
if (!fFontSize)
fFontSize = kDefaultFontSize;
info.m_Origin =
CFX_PointF(pPrevCharInfo->m_Origin.x + preWidth * (fFontSize) / 1000,
pPrevCharInfo->m_Origin.y);
info.m_CharBox = CFX_FloatRect(info.m_Origin.x, info.m_Origin.y,
info.m_Origin.x, info.m_Origin.y);
return info;
}
CFX_FloatRect CPDF_Annot::GetRect() const {
if (!m_pAnnotDict)
return CFX_FloatRect();
CFX_FloatRect rect = m_pAnnotDict->GetRectBy("Rect");
rect.Normalize();
return rect;
}
FPDF_EXPORT void FPDF_CALLCONV FPDFPage_SetTrimBox(FPDF_PAGE page,
float left,
float bottom,
float right,
float top) {
SetBoundingBox(CPDFPageFromFPDFPage(page), pdfium::page_object::kTrimBox,
CFX_FloatRect(left, bottom, right, top));
}
CFX_FloatRect CFFL_FormFiller::GetFocusBox(CPDFSDK_PageView* pPageView) {
if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, FALSE)) {
CFX_FloatRect rcFocus = FFLtoWnd(pPageView, PWLtoFFL(pWnd->GetFocusRect()));
CFX_FloatRect rcPage = pPageView->GetPDFPage()->GetPageBBox();
if (rcPage.Contains(rcFocus))
return rcFocus;
}
return CFX_FloatRect(0, 0, 0, 0);
}
CFX_FloatRect CFX_ListCtrl::GetItemRectInternal(int32_t nIndex) const {
if (CFX_ListItem* pListItem = m_aListItems.GetAt(nIndex)) {
CFX_FloatRect rcItem = pListItem->GetRect();
rcItem.left = 0.0f;
rcItem.right = GetPlateRect().Width();
return InnerToOuter(CLST_Rect(rcItem));
}
return CFX_FloatRect();
}
CFX_FloatRect _GetShadingBBox(CPDF_Stream* pStream, int type, const CFX_AffineMatrix* pMatrix,
CPDF_Function** pFuncs, int nFuncs, CPDF_ColorSpace* pCS)
{
if (pStream == NULL || pStream->GetType() != PDFOBJ_STREAM || pFuncs == NULL || pCS == NULL) {
return CFX_FloatRect(0, 0, 0, 0);
}
CPDF_MeshStream stream;
if (!stream.Load(pStream, pFuncs, nFuncs, pCS)) {
return CFX_FloatRect(0, 0, 0, 0);
}
CFX_FloatRect rect;
FX_BOOL bStarted = FALSE;
FX_BOOL bGouraud = type == 4 || type == 5;
int full_point_count = type == 7 ? 16 : (type == 6 ? 12 : 1);
int full_color_count = (type == 6 || type == 7) ? 4 : 1;
while (!stream.m_BitStream.IsEOF()) {
FX_DWORD flag;
if (type != 5) {
flag = stream.GetFlag();
}
int point_count = full_point_count, color_count = full_color_count;
if (!bGouraud && flag) {
point_count -= 4;
color_count -= 2;
}
for (int i = 0; i < point_count; i ++) {
FX_FLOAT x, y;
stream.GetCoords(x, y);
if (bStarted) {
rect.UpdateRect(x, y);
} else {
rect.InitRect(x, y);
bStarted = TRUE;
}
}
stream.m_BitStream.SkipBits(stream.m_nComps * stream.m_nCompBits * color_count);
if (bGouraud) {
stream.m_BitStream.ByteAlign();
}
}
rect.Transform(pMatrix);
return rect;
}
CFX_FloatRect CPWL_Wnd::GetClientRect() const {
CFX_FloatRect rcWindow = GetWindowRect();
CFX_FloatRect rcClient = CPWL_Utils::DeflateRect(
rcWindow, (FX_FLOAT)(GetBorderWidth() + GetInnerBorderWidth()));
if (CPWL_ScrollBar* pVSB = GetVScrollBar())
rcClient.right -= pVSB->GetScrollBarWidth();
rcClient.Normalize();
return rcWindow.Contains(rcClient) ? rcClient : CFX_FloatRect();
}
void CPWL_Label::OnCreated() {
SetParamByFlag();
SetFontSize(GetCreationParam().fFontSize);
m_pEdit->SetFontMap(GetFontMap());
m_pEdit->Initialize();
if (HasFlag(PES_TEXTOVERFLOW)) {
SetClipRect(CFX_FloatRect(0.0f, 0.0f, 0.0f, 0.0f));
m_pEdit->SetTextOverflow(TRUE);
}
}
CFX_FloatRect CFX_FloatRect::GetBBox(const CFX_PointF* pPoints, int nPoints) {
if (nPoints == 0) {
return CFX_FloatRect();
}
FX_FLOAT min_x = pPoints->x, max_x = pPoints->x, min_y = pPoints->y,
max_y = pPoints->y;
for (int i = 1; i < nPoints; i++) {
if (min_x > pPoints[i].x) {
min_x = pPoints[i].x;
}
if (max_x < pPoints[i].x) {
max_x = pPoints[i].x;
}
if (min_y > pPoints[i].y) {
min_y = pPoints[i].y;
}
if (max_y < pPoints[i].y) {
max_y = pPoints[i].y;
}
}
return CFX_FloatRect(min_x, min_y, max_x, max_y);
}
void CPDF_Type3Char::Transform(const CFX_Matrix& matrix) {
m_Width = m_Width * matrix.GetXUnit() + 0.5f;
CFX_FloatRect char_rect;
if (m_BBox.right <= m_BBox.left || m_BBox.bottom >= m_BBox.top) {
char_rect = form()->CalcBoundingBox();
TextUnitRectToGlyphUnitRect(&char_rect);
} else {
char_rect = CFX_FloatRect(m_BBox);
}
m_BBox = matrix.TransformRect(char_rect).ToRoundedFxRect();
}
void CPWL_Wnd::RePosChildWnd() {
CFX_FloatRect rcContent = CPWL_Utils::DeflateRect(
GetWindowRect(), (FX_FLOAT)(GetBorderWidth() + GetInnerBorderWidth()));
CPWL_ScrollBar* pVSB = GetVScrollBar();
CFX_FloatRect rcVScroll =
CFX_FloatRect(rcContent.right - PWL_SCROLLBAR_WIDTH, rcContent.bottom,
rcContent.right - 1.0f, rcContent.top);
if (pVSB)
pVSB->Move(rcVScroll, TRUE, FALSE);
}
CFX_FloatRect CPDF_ClipPath::GetClipBox() const {
CFX_FloatRect rect;
bool bStarted = false;
int count = GetPathCount();
if (count) {
rect = GetPath(0).GetBoundingBox();
for (int i = 1; i < count; i++) {
CFX_FloatRect path_rect = GetPath(i).GetBoundingBox();
rect.Intersect(path_rect);
}
bStarted = true;
}
count = GetTextCount();
if (count) {
CFX_FloatRect layer_rect;
bool bLayerStarted = false;
for (int i = 0; i < count; i++) {
CPDF_TextObject* pTextObj = GetText(i);
if (!pTextObj) {
if (!bStarted) {
rect = layer_rect;
bStarted = true;
} else {
rect.Intersect(layer_rect);
}
bLayerStarted = false;
} else {
if (!bLayerStarted) {
layer_rect = CFX_FloatRect(pTextObj->GetBBox(nullptr));
bLayerStarted = true;
} else {
layer_rect.Union(CFX_FloatRect(pTextObj->GetBBox(nullptr)));
}
}
}
}
return rect;
}
void CPWL_Edit::RePosChildWnd() {
if (CPWL_ScrollBar* pVSB = GetVScrollBar()) {
CFX_FloatRect rcWindow = m_rcOldWindow;
CFX_FloatRect rcVScroll =
CFX_FloatRect(rcWindow.right, rcWindow.bottom,
rcWindow.right + PWL_SCROLLBAR_WIDTH, rcWindow.top);
pVSB->Move(rcVScroll, true, false);
}
if (m_pEditCaret && !HasFlag(PES_TEXTOVERFLOW))
m_pEditCaret->SetClipRect(CPWL_Utils::InflateRect(
GetClientRect(), 1.0f)); // +1 for caret beside border
CPWL_EditCtrl::RePosChildWnd();
}
void CPWL_EditCtrl::CreateEditCaret(const PWL_CREATEPARAM& cp) {
if (m_pEditCaret)
return;
m_pEditCaret = new CPWL_Caret;
m_pEditCaret->SetInvalidRect(GetClientRect());
PWL_CREATEPARAM ecp = cp;
ecp.pParentWnd = this;
ecp.dwFlags = PWS_CHILD | PWS_NOREFRESHCLIP;
ecp.dwBorderWidth = 0;
ecp.nBorderStyle = BorderStyle::SOLID;
ecp.rcRectWnd = CFX_FloatRect(0, 0, 0, 0);
m_pEditCaret->Create(ecp);
}
void CPWL_ComboBox::CreateEdit(const PWL_CREATEPARAM& cp) {
if (!m_pEdit) {
m_pEdit = new CPWL_CBEdit;
m_pEdit->AttachFFLData(m_pFormFiller);
PWL_CREATEPARAM ecp = cp;
ecp.pParentWnd = this;
ecp.dwFlags = PWS_VISIBLE | PWS_CHILD | PWS_BORDER | PES_CENTER |
PES_AUTOSCROLL | PES_UNDO;
if (HasFlag(PWS_AUTOFONTSIZE))
ecp.dwFlags |= PWS_AUTOFONTSIZE;
if (!HasFlag(PCBS_ALLOWCUSTOMTEXT))
ecp.dwFlags |= PWS_READONLY;
ecp.rcRectWnd = CFX_FloatRect(0, 0, 0, 0);
ecp.dwBorderWidth = 0;
ecp.nBorderStyle = BorderStyle::SOLID;
m_pEdit->Create(ecp);
}
}
void CPWL_Edit::SetParamByFlag() {
if (HasFlag(PES_RIGHT)) {
m_pEdit->SetAlignmentH(2, false);
} else if (HasFlag(PES_MIDDLE)) {
m_pEdit->SetAlignmentH(1, false);
} else {
m_pEdit->SetAlignmentH(0, false);
}
if (HasFlag(PES_BOTTOM)) {
m_pEdit->SetAlignmentV(2, false);
} else if (HasFlag(PES_CENTER)) {
m_pEdit->SetAlignmentV(1, false);
} else {
m_pEdit->SetAlignmentV(0, false);
}
if (HasFlag(PES_PASSWORD)) {
m_pEdit->SetPasswordChar('*', false);
}
m_pEdit->SetMultiLine(HasFlag(PES_MULTILINE), false);
m_pEdit->SetAutoReturn(HasFlag(PES_AUTORETURN), false);
m_pEdit->SetAutoFontSize(HasFlag(PWS_AUTOFONTSIZE), false);
m_pEdit->SetAutoScroll(HasFlag(PES_AUTOSCROLL), false);
m_pEdit->EnableUndo(HasFlag(PES_UNDO));
if (HasFlag(PES_TEXTOVERFLOW)) {
SetClipRect(CFX_FloatRect(0.0f, 0.0f, 0.0f, 0.0f));
m_pEdit->SetTextOverflow(true, false);
} else {
if (m_pEditCaret) {
m_pEditCaret->SetClipRect(CPWL_Utils::InflateRect(
GetClientRect(), 1.0f)); // +1 for caret beside border
}
}
}
void CPDF_ProgressiveRenderer::Continue(IFX_Pause* pPause) {
while (m_Status == ToBeContinued) {
if (!m_pCurrentLayer) {
if (m_LayerIndex >= m_pContext->CountLayers()) {
m_Status = Done;
return;
}
m_pCurrentLayer = m_pContext->GetLayer(m_LayerIndex);
m_LastObjectRendered =
m_pCurrentLayer->m_pObjectHolder->GetPageObjectList()->end();
m_pRenderStatus.reset(new CPDF_RenderStatus());
m_pRenderStatus->Initialize(
m_pContext, m_pDevice, nullptr, nullptr, nullptr, nullptr, m_pOptions,
m_pCurrentLayer->m_pObjectHolder->m_Transparency, FALSE, nullptr);
m_pDevice->SaveState();
m_ClipRect = CFX_FloatRect(m_pDevice->GetClipBox());
CFX_Matrix device2object;
device2object.SetReverse(m_pCurrentLayer->m_Matrix);
device2object.TransformRect(m_ClipRect);
}
CPDF_PageObjectList::iterator iter;
CPDF_PageObjectList::iterator iterEnd =
m_pCurrentLayer->m_pObjectHolder->GetPageObjectList()->end();
if (m_LastObjectRendered != iterEnd) {
iter = m_LastObjectRendered;
++iter;
} else {
iter = m_pCurrentLayer->m_pObjectHolder->GetPageObjectList()->begin();
}
int nObjsToGo = kStepLimit;
while (iter != iterEnd) {
CPDF_PageObject* pCurObj = iter->get();
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_pRenderStatus->ContinueSingleObject(
pCurObj, &m_pCurrentLayer->m_Matrix, pPause)) {
return;
}
if (pCurObj->IsImage() &&
m_pRenderStatus->m_Options.m_Flags & RENDER_LIMITEDIMAGECACHE) {
m_pContext->GetPageCache()->CacheOptimization(
m_pRenderStatus->m_Options.m_dwLimitCacheSize);
}
if (pCurObj->IsForm() || pCurObj->IsShading()) {
nObjsToGo = 0;
} else {
--nObjsToGo;
}
}
m_LastObjectRendered = iter;
if (nObjsToGo == 0) {
if (pPause && pPause->NeedToPauseNow())
return;
nObjsToGo = kStepLimit;
}
++iter;
}
if (m_pCurrentLayer->m_pObjectHolder->IsParsed()) {
m_pRenderStatus.reset();
m_pDevice->RestoreState(false);
m_pCurrentLayer = nullptr;
m_LayerIndex++;
if (pPause && pPause->NeedToPauseNow()) {
return;
}
} else {
m_pCurrentLayer->m_pObjectHolder->ContinueParse(pPause);
if (!m_pCurrentLayer->m_pObjectHolder->IsParsed())
return;
}
}
}
void CFFL_FormFiller::SetWindowRect(CPDFSDK_PageView* pPageView,
const CFX_FloatRect& rcWindow) {
if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, FALSE)) {
pWnd->Move(CFX_FloatRect(rcWindow), TRUE, FALSE);
}
}
CFX_FloatRect CPWL_Caret::GetCaretRect() const {
return CFX_FloatRect(m_ptFoot.x, m_ptFoot.y, m_ptHead.x + m_fWidth,
m_ptHead.y);
}
