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      1 // Copyright 2014 PDFium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
      6 
      7 #include "../../include/pdfwindow/PDFWindow.h"
      8 #include "../../include/pdfwindow/PWL_Wnd.h"
      9 #include "../../include/pdfwindow/PWL_Label.h"
     10 #include "../../include/pdfwindow/PWL_Utils.h"
     11 
     12 /* ---------------------------- CPWL_Label ------------------------------ */
     13 
     14 CPWL_Label::CPWL_Label() : m_pEdit(NULL)
     15 {
     16 	m_pEdit = IFX_Edit::NewEdit();
     17 
     18 	ASSERT(m_pEdit != NULL);
     19 }
     20 
     21 CPWL_Label::~CPWL_Label()
     22 {
     23 	IFX_Edit::DelEdit(m_pEdit);
     24 }
     25 
     26 CFX_ByteString CPWL_Label::GetClassName() const
     27 {
     28 	return "CPWL_Label";
     29 }
     30 
     31 void CPWL_Label::OnCreated()
     32 {
     33 	SetParamByFlag();
     34 	SetFontSize(this->GetCreationParam().fFontSize);
     35 
     36 	m_pEdit->SetFontMap(this->GetFontMap());
     37 	m_pEdit->Initialize();
     38 
     39 	if (HasFlag(PES_TEXTOVERFLOW))
     40 	{
     41 		SetClipRect(CPDF_Rect(0.0f,0.0f,0.0f,0.0f));
     42 		m_pEdit->SetTextOverflow(TRUE);
     43 	}
     44 }
     45 
     46 void CPWL_Label::SetText(FX_LPCWSTR csText)
     47 {
     48 	m_pEdit->SetText(csText);
     49 }
     50 
     51 void CPWL_Label::RePosChildWnd()
     52 {
     53 	m_pEdit->SetPlateRect(GetClientRect());
     54 }
     55 
     56 void CPWL_Label::SetFontSize(FX_FLOAT fFontSize)
     57 {
     58 	m_pEdit->SetFontSize(fFontSize);
     59 }
     60 
     61 FX_FLOAT CPWL_Label::GetFontSize() const
     62 {
     63 	return m_pEdit->GetFontSize();
     64 }
     65 
     66 void CPWL_Label::SetParamByFlag()
     67 {
     68 	if (HasFlag(PES_LEFT))
     69 	{
     70 		m_pEdit->SetAlignmentH(0);
     71 	}
     72 	else if (HasFlag(PES_MIDDLE))
     73 	{
     74 		m_pEdit->SetAlignmentH(1);
     75 	}
     76 	else if (HasFlag(PES_RIGHT))
     77 	{
     78 		m_pEdit->SetAlignmentH(2);
     79 	}
     80 	else
     81 	{
     82 		m_pEdit->SetAlignmentH(0);
     83 	}
     84 
     85 	if (HasFlag(PES_TOP))
     86 	{
     87 		m_pEdit->SetAlignmentV(0);
     88 	}
     89 	else if (HasFlag(PES_CENTER))
     90 	{
     91 		m_pEdit->SetAlignmentV(1);
     92 	}
     93 	else if (HasFlag(PES_BOTTOM))
     94 	{
     95 		m_pEdit->SetAlignmentV(2);
     96 	}
     97 	else
     98 	{
     99 		m_pEdit->SetAlignmentV(0);
    100 	}
    101 
    102 	if (HasFlag(PES_PASSWORD))
    103 	{
    104 		m_pEdit->SetPasswordChar('*');
    105 	}
    106 
    107 	m_pEdit->SetMultiLine(HasFlag(PES_MULTILINE));
    108 	m_pEdit->SetAutoReturn(HasFlag(PES_AUTORETURN));
    109 	m_pEdit->SetAutoFontSize(HasFlag(PWS_AUTOFONTSIZE));
    110 	m_pEdit->SetAutoScroll(HasFlag(PES_AUTOSCROLL));
    111 }
    112 
    113 void CPWL_Label::DrawThisAppearance(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device)
    114 {
    115 	CPWL_Wnd::DrawThisAppearance(pDevice,pUser2Device);
    116 
    117 	GetClientRect();
    118 
    119 	CPDF_Rect rcClip;
    120 	CPVT_WordRange wrRange = m_pEdit->GetVisibleWordRange();
    121 	CPVT_WordRange* pRange = NULL;
    122 
    123 	if (!HasFlag(PES_TEXTOVERFLOW))
    124 	{
    125 		rcClip = GetClientRect();
    126 		pRange = &wrRange;
    127 	}
    128 IFX_SystemHandler* pSysHandler = GetSystemHandler();
    129 	IFX_Edit::DrawEdit(pDevice, pUser2Device, m_pEdit,
    130 		CPWL_Utils::PWLColorToFXColor(GetTextColor(), this->GetTransparency()),
    131 		CPWL_Utils::PWLColorToFXColor(GetTextStrokeColor(), this->GetTransparency()),
    132 		rcClip, CPDF_Point(0.0f,0.0f), pRange,pSysHandler, NULL);
    133 }
    134 
    135 void CPWL_Label::SetHorzScale(FX_INT32 nHorzScale)
    136 {
    137 	m_pEdit->SetHorzScale(nHorzScale);
    138 }
    139 
    140 void CPWL_Label::SetCharSpace(FX_FLOAT fCharSpace)
    141 {
    142 	m_pEdit->SetCharSpace(fCharSpace);
    143 }
    144 
    145 CPDF_Rect CPWL_Label::GetContentRect() const
    146 {
    147 	return m_pEdit->GetContentRect();
    148 }
    149 
    150 void CPWL_Label::GetThisAppearanceStream(CFX_ByteTextBuf & sAppStream)
    151 {
    152 	CPWL_Wnd::GetThisAppearanceStream(sAppStream);
    153 
    154 	sAppStream << GetTextAppearanceStream(CPDF_Point(0.0f, 0.0f));
    155 }
    156 
    157 CFX_ByteString CPWL_Label::GetTextAppearanceStream(const CPDF_Point & ptOffset) const
    158 {
    159 	CFX_ByteTextBuf sRet;
    160 	CFX_ByteString sEdit = CPWL_Utils::GetEditAppStream(m_pEdit,ptOffset);
    161 
    162 	if (sEdit.GetLength() > 0)
    163 	{
    164 		sRet << "BT\n" << CPWL_Utils::GetColorAppStream(GetTextColor()) << sEdit << "ET\n";
    165 	}
    166 
    167 	return sRet.GetByteString();
    168 }
    169 
    170 CFX_WideString CPWL_Label::GetText() const
    171 {
    172 	return m_pEdit->GetText();
    173 }
    174 
    175 void CPWL_Label::SetLimitChar(FX_INT32 nLimitChar)
    176 {
    177 	m_pEdit->SetLimitChar(nLimitChar);
    178 }
    179 
    180 FX_INT32 CPWL_Label::GetTotalWords()
    181 {
    182 	if (m_pEdit)
    183 		return m_pEdit->GetTotalWords();
    184 
    185 	return 0;
    186 }
    187 
    188