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path: root/xfa/src/fdp/src/tto/fde_textout.cpp
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Diffstat (limited to 'xfa/src/fdp/src/tto/fde_textout.cpp')
-rw-r--r--xfa/src/fdp/src/tto/fde_textout.cpp952
1 files changed, 952 insertions, 0 deletions
diff --git a/xfa/src/fdp/src/tto/fde_textout.cpp b/xfa/src/fdp/src/tto/fde_textout.cpp
new file mode 100644
index 0000000000..e03620244f
--- /dev/null
+++ b/xfa/src/fdp/src/tto/fde_textout.cpp
@@ -0,0 +1,952 @@
+// 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 "../../../foxitlib.h"
+#include "fde_textout.h"
+IFDE_TextOut* IFDE_TextOut::Create()
+{
+ return FDE_New CFDE_TextOut;
+}
+CFDE_TextOut::CFDE_TextOut()
+ : m_pFont(NULL)
+ , m_fFontSize(12.0f)
+ , m_fLineSpace(m_fFontSize)
+ , m_fLinePos(0.0f)
+ , m_fTolerance(0.0f)
+ , m_iAlignment(0)
+ , m_iTxtBkAlignment(0)
+ , m_pCharWidths(NULL)
+ , m_iChars(0)
+ , m_pEllCharWidths(NULL)
+ , m_iEllChars(0)
+ , m_wParagraphBkChar(L'\n')
+ , m_TxtColor(0xFF000000)
+ , m_dwStyles(0)
+ , m_dwTxtBkStyles(0)
+ , m_bElliChanged(FALSE)
+ , m_iEllipsisWidth(0)
+ , m_ttoLines(5)
+ , m_iCurLine(0)
+ , m_iTotalLines(0)
+ , m_iCurPiece(0)
+ , m_pCharPos(NULL)
+ , m_iCharPosSize(0)
+ , m_pRenderDevice(NULL)
+{
+ m_pTxtBreak = IFX_TxtBreak::Create(FX_TXTBREAKPOLICY_None);
+ FXSYS_assert(m_pTxtBreak != NULL);
+ m_Matrix.Reset();
+ m_rtClip.Reset();
+ m_rtLogicClip.Reset();
+}
+CFDE_TextOut::~CFDE_TextOut()
+{
+ if (m_pTxtBreak != NULL) {
+ m_pTxtBreak->Release();
+ }
+ if (m_pCharWidths != NULL) {
+ FDE_Free(m_pCharWidths);
+ }
+ if (m_pEllCharWidths != NULL) {
+ FDE_Free(m_pEllCharWidths);
+ }
+ if (m_pRenderDevice != NULL) {
+ m_pRenderDevice->Release();
+ }
+ if (m_pCharPos != NULL) {
+ FDE_Free(m_pCharPos);
+ }
+ m_ttoLines.RemoveAll();
+}
+void CFDE_TextOut::SetFont(IFX_Font *pFont)
+{
+ FXSYS_assert(pFont != NULL);
+ m_pFont = pFont;
+ m_pTxtBreak->SetFont(pFont);
+}
+void CFDE_TextOut::SetFontSize(FX_FLOAT fFontSize)
+{
+ FXSYS_assert(fFontSize > 0);
+ m_fFontSize = fFontSize;
+ m_pTxtBreak->SetFontSize(fFontSize);
+}
+void CFDE_TextOut::SetTextColor(FX_ARGB color)
+{
+ m_TxtColor = color;
+}
+void CFDE_TextOut::SetStyles(FX_DWORD dwStyles)
+{
+ m_dwStyles = dwStyles;
+ m_dwTxtBkStyles = 0;
+ if (dwStyles & FDE_TTOSTYLE_SingleLine) {
+ m_dwTxtBkStyles |= FX_TXTLAYOUTSTYLE_SingleLine;
+ }
+ if (dwStyles & FDE_TTOSTYLE_ExpandTab) {
+ m_dwTxtBkStyles |= FX_TXTLAYOUTSTYLE_ExpandTab;
+ }
+ if (dwStyles & FDE_TTOSTYLE_ArabicShapes) {
+ m_dwTxtBkStyles |= FX_TXTLAYOUTSTYLE_ArabicShapes;
+ }
+ if (dwStyles & FDE_TTOSTYLE_RTL) {
+ m_dwTxtBkStyles |= FX_TXTLAYOUTSTYLE_RTLReadingOrder;
+ }
+ if (dwStyles & FDE_TTOSTYLE_ArabicContext) {
+ m_dwTxtBkStyles |= FX_TXTLAYOUTSTYLE_ArabicContext;
+ }
+ if (dwStyles & FDE_TTOSTYLE_VerticalLayout) {
+ m_dwTxtBkStyles |= (FX_TXTLAYOUTSTYLE_VerticalChars | FX_TXTLAYOUTSTYLE_VerticalLayout);
+ }
+ m_pTxtBreak->SetLayoutStyles(m_dwTxtBkStyles);
+}
+void CFDE_TextOut::SetTabWidth(FX_FLOAT fTabWidth)
+{
+ FXSYS_assert(fTabWidth > 1.0f);
+ m_pTxtBreak->SetTabWidth(fTabWidth, FALSE);
+}
+void CFDE_TextOut::SetEllipsisString(const CFX_WideString &wsEllipsis)
+{
+ m_bElliChanged = TRUE;
+ m_wsEllipsis = wsEllipsis;
+}
+void CFDE_TextOut::SetParagraphBreakChar(FX_WCHAR wch)
+{
+ m_wParagraphBkChar = wch;
+ m_pTxtBreak->SetParagraphBreakChar(wch);
+}
+void CFDE_TextOut::SetAlignment(FX_INT32 iAlignment)
+{
+ m_iAlignment = iAlignment;
+ switch (m_iAlignment) {
+ case FDE_TTOALIGNMENT_TopCenter:
+ case FDE_TTOALIGNMENT_Center:
+ case FDE_TTOALIGNMENT_BottomCenter:
+ m_iTxtBkAlignment = FX_TXTLINEALIGNMENT_Center;
+ break;
+ case FDE_TTOALIGNMENT_TopRight:
+ case FDE_TTOALIGNMENT_CenterRight:
+ case FDE_TTOALIGNMENT_BottomRight:
+ m_iTxtBkAlignment = FX_TXTLINEALIGNMENT_Right;
+ break;
+ default:
+ m_iTxtBkAlignment = FX_TXTLINEALIGNMENT_Left;
+ break;
+ }
+ m_pTxtBreak->SetAlignment(m_iTxtBkAlignment);
+}
+void CFDE_TextOut::SetLineSpace(FX_FLOAT fLineSpace)
+{
+ FXSYS_assert(fLineSpace > 1.0f);
+ m_fLineSpace = fLineSpace;
+}
+void CFDE_TextOut::SetDIBitmap(CFX_DIBitmap *pDIB)
+{
+ FXSYS_assert(pDIB != NULL);
+ if (m_pRenderDevice != NULL) {
+ m_pRenderDevice->Release();
+ }
+ m_pRenderDevice = IFDE_RenderDevice::Create(pDIB);
+}
+void CFDE_TextOut::SetRenderDevice(CFX_RenderDevice *pDevice)
+{
+ FXSYS_assert(pDevice != NULL);
+ if (m_pRenderDevice != NULL) {
+ m_pRenderDevice->Release();
+ }
+ m_pRenderDevice = IFDE_RenderDevice::Create(pDevice);
+}
+void CFDE_TextOut::SetClipRect(const CFX_Rect &rtClip)
+{
+ m_rtClip.Set((FX_FLOAT)rtClip.left, (FX_FLOAT)rtClip.top, (FX_FLOAT)rtClip.Width(), (FX_FLOAT)rtClip.Height());
+}
+void CFDE_TextOut::SetClipRect(const CFX_RectF &rtClip)
+{
+ m_rtClip = rtClip;
+}
+void CFDE_TextOut::SetLogicClipRect(const CFX_RectF &rtClip)
+{
+ m_rtLogicClip = rtClip;
+}
+void CFDE_TextOut::SetMatrix(const CFX_Matrix &matrix)
+{
+ m_Matrix = matrix;
+}
+void CFDE_TextOut::SetLineBreakTolerance(FX_FLOAT fTolerance)
+{
+ m_fTolerance = fTolerance;
+ m_pTxtBreak->SetLineBreakTolerance(m_fTolerance);
+}
+FX_INT32 CFDE_TextOut::GetTotalLines()
+{
+ return m_iTotalLines;
+}
+void CFDE_TextOut::CalcSize(FX_LPCWSTR pwsStr, FX_INT32 iLength, CFX_Size &size)
+{
+ CFX_RectF rtText;
+ rtText.Set(0.0f, 0.0f, (FX_FLOAT)size.x, (FX_FLOAT)size.y);
+ CalcSize(pwsStr, iLength, rtText);
+ size.x = (FX_INT32)rtText.Width();
+ size.y = (FX_INT32)rtText.Height();
+}
+void CFDE_TextOut::CalcSize(FX_LPCWSTR pwsStr, FX_INT32 iLength, CFX_SizeF &size)
+{
+ CFX_RectF rtText;
+ rtText.Set(0.0f, 0.0f, size.x, size.y);
+ CalcSize(pwsStr, iLength, rtText);
+ size.x = rtText.Width();
+ size.y = rtText.Height();
+}
+void CFDE_TextOut::CalcSize(FX_LPCWSTR pwsStr, FX_INT32 iLength, CFX_Rect &rect)
+{
+ CFX_RectF rtText;
+ rtText.Set((FX_FLOAT)rect.left, (FX_FLOAT)rect.top, (FX_FLOAT)rect.Width(), (FX_FLOAT)rect.Height());
+ CalcSize(pwsStr, iLength, rtText);
+ rect.Set((FX_INT32)rtText.left, (FX_INT32)rtText.top, (FX_INT32)rtText.Width(), (FX_INT32)rtText.Height());
+}
+void CFDE_TextOut::CalcSize(FX_LPCWSTR pwsStr, FX_INT32 iLength, CFX_RectF &rect)
+{
+ if (pwsStr == NULL || iLength < 1) {
+ rect.width = 0.0f;
+ rect.height = 0.0f;
+ } else {
+ CFX_Matrix rm;
+ rm.SetReverse(m_Matrix);
+ rm.TransformRect(rect);
+ CalcTextSize(pwsStr, iLength, rect);
+ m_Matrix.TransformRect(rect);
+ }
+}
+void CFDE_TextOut::CalcLogicSize(FX_LPCWSTR pwsStr, FX_INT32 iLength, CFX_SizeF &size)
+{
+ CFX_RectF rtText;
+ rtText.Set(0.0f, 0.0f, size.x, size.y);
+ CalcLogicSize(pwsStr, iLength, rtText);
+ size.x = rtText.Width();
+ size.y = rtText.Height();
+}
+void CFDE_TextOut::CalcLogicSize(FX_LPCWSTR pwsStr, FX_INT32 iLength, CFX_RectF &rect)
+{
+ if (pwsStr == NULL || iLength < 1) {
+ rect.width = 0.0f;
+ rect.height = 0.0f;
+ } else {
+ CalcTextSize(pwsStr, iLength, rect);
+ }
+}
+void CFDE_TextOut::CalcTextSize(FX_LPCWSTR pwsStr, FX_INT32 iLength, CFX_RectF &rect)
+{
+ FXSYS_assert(m_pFont != NULL && m_fFontSize >= 1.0f);
+ SetLineWidth(rect);
+ m_iTotalLines = 0;
+ FX_LPCWSTR pStr = pwsStr;
+ FX_BOOL bHotKey = (m_dwStyles & FDE_TTOSTYLE_HotKey) ? TRUE : FALSE;
+ FX_BOOL bVertical = (m_dwStyles & FDE_TTOSTYLE_VerticalLayout) ? TRUE : FALSE;
+ FX_FLOAT fWidth = 0.0f;
+ FX_FLOAT fHeight = 0.0f;
+ FX_FLOAT fStartPos = bVertical ? rect.bottom() : rect.right();
+ FX_DWORD dwBreakStatus = 0;
+ FX_WCHAR wPreChar = 0;
+ FX_WCHAR wch;
+ FX_WCHAR wBreak = 0;
+ while (iLength-- > 0) {
+ wch = *pStr++;
+ if (wBreak == 0 && (wch == L'\n' || wch == L'\r')) {
+ wBreak = wch;
+ m_pTxtBreak->SetParagraphBreakChar(wch);
+ }
+ if (bHotKey && wch == L'&' && wPreChar != L'&') {
+ wPreChar = wch;
+ continue;
+ }
+ dwBreakStatus = m_pTxtBreak->AppendChar(wch);
+ if (dwBreakStatus > FX_TXTBREAK_PieceBreak) {
+ RetrieveLineWidth(dwBreakStatus, fStartPos, fWidth, fHeight);
+ }
+ wPreChar = 0;
+ }
+ dwBreakStatus = m_pTxtBreak->EndBreak(FX_TXTBREAK_ParagraphBreak);
+ if (dwBreakStatus > FX_TXTBREAK_PieceBreak) {
+ RetrieveLineWidth(dwBreakStatus, fStartPos, fWidth, fHeight);
+ }
+ m_pTxtBreak->Reset();
+ FX_FLOAT fInc = rect.Height() - fHeight;
+ if (bVertical) {
+ fInc = rect.Width() - fHeight;
+ }
+ if (m_iAlignment >= FDE_TTOALIGNMENT_CenterLeft && m_iAlignment < FDE_TTOALIGNMENT_BottomLeft) {
+ fInc /= 2.0f;
+ } else if (m_iAlignment < FDE_TTOALIGNMENT_CenterLeft) {
+ fInc = 0.0f;
+ }
+ if (bVertical) {
+ rect.top += fStartPos;
+ rect.left += fInc;
+ rect.width = fHeight;
+ rect.height = FX_MIN(fWidth, rect.Height());
+ } else {
+ rect.left += fStartPos;
+ rect.top += fInc;
+ rect.width = FX_MIN(fWidth, rect.Width());
+ rect.height = fHeight;
+ if (m_dwStyles & FDE_TTOSTYLE_LastLineHeight) {
+ rect.height -= m_fLineSpace - m_fFontSize;
+ }
+ }
+}
+void CFDE_TextOut::SetLineWidth(CFX_RectF &rect)
+{
+ if ((m_dwStyles & FDE_TTOSTYLE_SingleLine) == 0) {
+ FX_FLOAT fLineWidth = 0.0f;
+ if (m_dwStyles & FDE_TTOSTYLE_VerticalLayout) {
+ if (rect.Height() < 1.0f) {
+ rect.height = m_fFontSize * 1000.0f;
+ }
+ fLineWidth = rect.Height();
+ } else {
+ if (rect.Width() < 1.0f) {
+ rect.width = m_fFontSize * 1000.0f;
+ }
+ fLineWidth = rect.Width();
+ }
+ m_pTxtBreak->SetLineWidth(fLineWidth);
+ }
+}
+FX_BOOL CFDE_TextOut::RetrieveLineWidth(FX_DWORD dwBreakStatus, FX_FLOAT &fStartPos, FX_FLOAT &fWidth, FX_FLOAT &fHeight)
+{
+ if (dwBreakStatus <= FX_TXTBREAK_PieceBreak) {
+ return FALSE;
+ }
+ FX_FLOAT fLineStep = (m_fLineSpace > m_fFontSize) ? m_fLineSpace : m_fFontSize;
+ FX_BOOL bLineWrap = (m_dwStyles & FDE_TTOSTYLE_LineWrap) ? TRUE : FALSE;
+ FX_FLOAT fLineWidth = 0.0f;
+ FX_INT32 iCount = m_pTxtBreak->CountBreakPieces();
+ for (FX_INT32 i = 0; i < iCount; i++) {
+ const CFX_TxtPiece *pPiece = m_pTxtBreak->GetBreakPiece(i);
+ fLineWidth += (FX_FLOAT)pPiece->m_iWidth / 20000.0f;
+ fStartPos = FX_MIN(fStartPos, (FX_FLOAT)pPiece->m_iStartPos / 20000.0f);
+ }
+ m_pTxtBreak->ClearBreakPieces();
+ if (dwBreakStatus == FX_TXTBREAK_ParagraphBreak) {
+ m_pTxtBreak->Reset();
+ }
+ if (!bLineWrap && dwBreakStatus == FX_TXTBREAK_LineBreak) {
+ fWidth += fLineWidth;
+ } else {
+ fWidth = FX_MAX(fWidth, fLineWidth);
+ fHeight += fLineStep;
+ }
+ m_iTotalLines++;
+ return TRUE;
+}
+void CFDE_TextOut::DrawText(FX_LPCWSTR pwsStr, FX_INT32 iLength, FX_INT32 x, FX_INT32 y)
+{
+ CFX_RectF rtText;
+ rtText.Set((FX_FLOAT)x, (FX_FLOAT)y, m_fFontSize * 1000.0f, m_fFontSize * 1000.0f);
+ DrawText(pwsStr, iLength, rtText);
+}
+void CFDE_TextOut::DrawText(FX_LPCWSTR pwsStr, FX_INT32 iLength, FX_FLOAT x, FX_FLOAT y)
+{
+ CFX_RectF rtText;
+ rtText.Set(x, y, m_fFontSize * 1000.0f, m_fFontSize * 1000.0f);
+ DrawText(pwsStr, iLength, rtText);
+}
+void CFDE_TextOut::DrawText(FX_LPCWSTR pwsStr, FX_INT32 iLength, const CFX_Rect &rect)
+{
+ CFX_RectF rtText;
+ rtText.Set((FX_FLOAT)rect.left, (FX_FLOAT)rect.top, (FX_FLOAT)rect.width, (FX_FLOAT)rect.height);
+ DrawText(pwsStr, iLength, rtText);
+}
+void CFDE_TextOut::DrawText(FX_LPCWSTR pwsStr, FX_INT32 iLength, const CFX_RectF &rect)
+{
+ CFX_RectF rtText;
+ rtText.Set(rect.left, rect.top, rect.width, rect.height);
+ CFX_Matrix rm;
+ rm.SetReverse(m_Matrix);
+ rm.TransformRect(rtText);
+ DrawText(pwsStr, iLength, rtText, m_rtClip);
+}
+void CFDE_TextOut::DrawLogicText(FX_LPCWSTR pwsStr, FX_INT32 iLength, FX_FLOAT x, FX_FLOAT y)
+{
+ CFX_RectF rtText;
+ rtText.Set(x, y, m_fFontSize * 1000.0f, m_fFontSize * 1000.0f);
+ DrawLogicText(pwsStr, iLength, rtText);
+}
+void CFDE_TextOut::DrawLogicText(FX_LPCWSTR pwsStr, FX_INT32 iLength, const CFX_RectF &rect)
+{
+ CFX_RectF rtClip;
+ rtClip.Set(m_rtLogicClip.left, m_rtLogicClip.top, m_rtLogicClip.width, m_rtLogicClip.height);
+ m_Matrix.TransformRect(rtClip);
+ DrawText(pwsStr, iLength, rect, rtClip);
+}
+void CFDE_TextOut::DrawText(FX_LPCWSTR pwsStr, FX_INT32 iLength, const CFX_RectF &rect, const CFX_RectF &rtClip)
+{
+ FXSYS_assert(m_pFont != NULL && m_fFontSize >= 1.0f);
+ if (pwsStr == NULL || iLength < 1) {
+ return;
+ }
+ if (rect.width < m_fFontSize || rect.height < m_fFontSize) {
+ return;
+ }
+ FX_FLOAT fLineWidth = rect.width;
+ if (m_dwStyles & FDE_TTOSTYLE_VerticalLayout) {
+ fLineWidth = rect.height;
+ }
+ m_pTxtBreak->SetLineWidth(fLineWidth);
+ m_ttoLines.RemoveAll(TRUE);
+ m_wsText.Empty();
+ LoadText(pwsStr, iLength, rect);
+ if (m_dwStyles & FDE_TTOSTYLE_Ellipsis) {
+ ReplaceWidthEllipsis();
+ }
+ Reload(rect);
+ DoAlignment(rect);
+ OnDraw(rtClip);
+}
+void CFDE_TextOut::ExpandBuffer(FX_INT32 iSize, FX_INT32 iType)
+{
+ switch (iType) {
+ case 0:
+ if (m_pCharWidths == NULL) {
+ m_pCharWidths = (FX_INT32*)FDE_Alloc(iSize * sizeof(FX_INT32));
+ m_iChars = iSize;
+ } else if (m_iChars < iSize) {
+ m_pCharWidths = (FX_INT32*)FDE_Realloc(m_pCharWidths, iSize * sizeof(FX_INT32));
+ m_iChars = iSize;
+ }
+ FXSYS_memset(m_pCharWidths, 0, iSize);
+ break;
+ case 1:
+ if (m_pEllCharWidths == NULL) {
+ m_pEllCharWidths = (FX_INT32*)FDE_Alloc(iSize * sizeof(FX_INT32));
+ m_iEllChars = iSize;
+ } else if (m_iEllChars < iSize) {
+ m_pEllCharWidths = (FX_INT32*)FDE_Realloc(m_pEllCharWidths, iSize * sizeof(FX_INT32));
+ m_iEllChars = iSize;
+ }
+ FXSYS_memset(m_pEllCharWidths, 0, iSize);
+ break;
+ case 2:
+ if (m_pCharPos == NULL) {
+ m_pCharPos = (FXTEXT_CHARPOS*)FDE_Alloc(iSize * sizeof(FXTEXT_CHARPOS));
+ m_iCharPosSize = iSize;
+ } else if (m_iCharPosSize < iSize) {
+ m_pCharPos = (FXTEXT_CHARPOS*)FDE_Realloc(m_pCharPos, iSize * sizeof(FXTEXT_CHARPOS));
+ m_iCharPosSize = iSize;
+ }
+ break;
+ }
+}
+void CFDE_TextOut::LoadEllipsis()
+{
+ if (!m_bElliChanged) {
+ return;
+ }
+ m_bElliChanged = FALSE;
+ m_iEllipsisWidth = 0;
+ FX_INT32 iLength = m_wsEllipsis.GetLength();
+ if (iLength < 1) {
+ return;
+ }
+ ExpandBuffer(iLength, 1);
+ FX_LPCWSTR pStr = (FX_LPCWSTR)m_wsEllipsis;
+ FX_INT32 *pCharWidths = m_pEllCharWidths;
+ FX_DWORD dwBreakStatus;
+ FX_WCHAR wch;
+ while (iLength-- > 0) {
+ wch = *pStr++;
+ dwBreakStatus = m_pTxtBreak->AppendChar(wch);
+ if (dwBreakStatus > FX_TXTBREAK_PieceBreak) {
+ RetrieveEllPieces(pCharWidths);
+ }
+ }
+ dwBreakStatus = m_pTxtBreak->EndBreak(FX_TXTBREAK_ParagraphBreak);
+ if (dwBreakStatus > FX_TXTBREAK_PieceBreak) {
+ RetrieveEllPieces(pCharWidths);
+ }
+ m_pTxtBreak->Reset();
+}
+void CFDE_TextOut::RetrieveEllPieces(FX_INT32 *&pCharWidths)
+{
+ FX_INT32 iCount = m_pTxtBreak->CountBreakPieces();
+ CFX_Char *pTC;
+ for (FX_INT32 i = 0; i < iCount; i++) {
+ const CFX_TxtPiece *pPiece = m_pTxtBreak->GetBreakPiece(i);
+ FX_INT32 iPieceChars = pPiece->GetLength();
+ for (FX_INT32 j = 0; j < iPieceChars; j++) {
+ pTC = pPiece->GetCharPtr(j);
+ if (pTC->m_iCharWidth <= 0) {
+ *pCharWidths = 0;
+ } else {
+ *pCharWidths = pTC->m_iCharWidth;
+ }
+ m_iEllipsisWidth += *pCharWidths;
+ pCharWidths++;
+ }
+ }
+ m_pTxtBreak->ClearBreakPieces();
+}
+void CFDE_TextOut::LoadText(FX_LPCWSTR pwsStr, FX_INT32 iLength, const CFX_RectF &rect)
+{
+ FX_LPWSTR pStr = m_wsText.GetBuffer(iLength);
+ FX_INT32 iTxtLength = iLength;
+ ExpandBuffer(iTxtLength, 0);
+ FX_BOOL bHotKey = (m_dwStyles & FDE_TTOSTYLE_HotKey) ? TRUE : FALSE;
+ FX_BOOL bVertical = (m_dwStyles & FDE_TTOSTYLE_VerticalLayout) ? TRUE : FALSE;
+ FX_BOOL bLineWrap = (m_dwStyles & FDE_TTOSTYLE_LineWrap) ? TRUE : FALSE;
+ FX_FLOAT fLineStep = (m_fLineSpace > m_fFontSize) ? m_fLineSpace : m_fFontSize;
+ FX_FLOAT fLineStop = bVertical ? rect.left : rect.bottom();
+ m_fLinePos = bVertical ? rect.right() : rect.top;
+ if (bVertical) {
+ fLineStep = -fLineStep;
+ }
+ m_hotKeys.RemoveAll();
+ FX_INT32 iStartChar = 0;
+ FX_INT32 iChars = 0;
+ FX_INT32 iPieceWidths = 0;
+ FX_DWORD dwBreakStatus;
+ FX_WCHAR wch;
+ FX_BOOL bRet = FALSE;
+ while (iTxtLength-- > 0) {
+ wch = *pwsStr++;
+ if (wch == L'&' && bHotKey && (pStr - 1) != NULL && *(pStr - 1) != L'&') {
+ if (iTxtLength > 0) {
+ m_hotKeys.Add(iChars);
+ }
+ continue;
+ }
+ *pStr++ = wch;
+ iChars++;
+ dwBreakStatus = m_pTxtBreak->AppendChar(wch);
+ if (dwBreakStatus > FX_TXTBREAK_PieceBreak) {
+ FX_BOOL bEndofLine = RetriecePieces(dwBreakStatus, iStartChar, iPieceWidths, FALSE, rect);
+ if (bEndofLine && (bLineWrap || (dwBreakStatus > FX_TXTBREAK_LineBreak && !bLineWrap))) {
+ iPieceWidths = 0;
+ m_iCurLine++;
+ m_fLinePos += fLineStep;
+ }
+ if ((bVertical && m_fLinePos + fLineStep < fLineStop) || (!bVertical && m_fLinePos + fLineStep > fLineStop)) {
+ FX_INT32 iCurLine = m_iCurLine;
+ if (bEndofLine) {
+ iCurLine--;
+ }
+ CFDE_TTOLine *pLine = m_ttoLines.GetPtrAt(iCurLine);
+ pLine->m_bNewReload = TRUE;
+ bRet = TRUE;
+ break;
+ }
+ }
+ }
+ dwBreakStatus = m_pTxtBreak->EndBreak(FX_TXTBREAK_ParagraphBreak);
+ if (dwBreakStatus > FX_TXTBREAK_PieceBreak && !bRet) {
+ RetriecePieces(dwBreakStatus, iStartChar, iPieceWidths, FALSE, rect);
+ }
+ m_pTxtBreak->ClearBreakPieces();
+ m_pTxtBreak->Reset();
+ m_wsText.ReleaseBuffer(iLength);
+}
+FX_BOOL CFDE_TextOut::RetriecePieces(FX_DWORD dwBreakStatus, FX_INT32 &iStartChar, FX_INT32 &iPieceWidths, FX_BOOL bReload,
+ const CFX_RectF &rect)
+{
+ FX_BOOL bSingleLine = (m_dwStyles & FDE_TTOSTYLE_SingleLine) ? TRUE : FALSE;
+ FX_BOOL bLineWrap = (m_dwStyles & FDE_TTOSTYLE_LineWrap) ? TRUE : FALSE;
+ FX_BOOL bVertical = (m_dwStyles & FDE_TTOSTYLE_VerticalLayout) ? TRUE : FALSE;
+ FX_FLOAT fLineStep = (m_fLineSpace > m_fFontSize) ? m_fLineSpace : m_fFontSize;
+ if (bVertical) {
+ fLineStep = -fLineStep;
+ }
+ CFX_Char *pTC = NULL;
+ FX_BOOL bNeedReload = FALSE;
+ FX_FLOAT fLineWidth = bVertical ? rect.Height() : rect.Width();
+ FX_INT32 iLineWidth = FXSYS_round(fLineWidth * 20000.0f);
+ FX_INT32 iCount = m_pTxtBreak->CountBreakPieces();
+ for (FX_INT32 i = 0; i < iCount; i++) {
+ const CFX_TxtPiece *pPiece = m_pTxtBreak->GetBreakPiece(i);
+ FX_INT32 iPieceChars = pPiece->GetLength();
+ FX_INT32 iChar = iStartChar;
+ FX_INT32 iWidth = 0;
+ FX_INT32 j = 0;
+ for (; j < iPieceChars; j++) {
+ pTC = pPiece->GetCharPtr(j);
+ FX_INT32 iCurCharWidth = pTC->m_iCharWidth > 0 ? pTC->m_iCharWidth : 0;
+ if (bSingleLine || !bLineWrap) {
+ if (iLineWidth - iPieceWidths - iWidth < iCurCharWidth) {
+ bNeedReload = TRUE;
+ break;
+ }
+ }
+ iWidth += iCurCharWidth;
+ m_pCharWidths[iChar++] = iCurCharWidth;
+ }
+ if (j == 0 && !bReload) {
+ CFDE_TTOLine *pLine = m_ttoLines.GetPtrAt(m_iCurLine);
+ pLine->m_bNewReload = TRUE;
+ } else if (j > 0) {
+ CFX_RectF rtPiece;
+ if (bVertical) {
+ rtPiece.left = m_fLinePos;
+ rtPiece.top = rect.top + (FX_FLOAT)pPiece->m_iStartPos / 20000.0f;
+ rtPiece.width = fLineStep;
+ rtPiece.height = iWidth / 20000.0f;
+ } else {
+ rtPiece.left = rect.left + (FX_FLOAT)pPiece->m_iStartPos / 20000.0f;
+ rtPiece.top = m_fLinePos;
+ rtPiece.width = iWidth / 20000.0f;
+ rtPiece.height = fLineStep;
+ }
+ FDE_TTOPIECE ttoPiece;
+ ttoPiece.iStartChar = iStartChar;
+ ttoPiece.iChars = j;
+ ttoPiece.rtPiece = rtPiece;
+ ttoPiece.dwCharStyles = pPiece->m_dwCharStyles;
+ if (FX_IsOdd(pPiece->m_iBidiLevel)) {
+ ttoPiece.dwCharStyles |= FX_TXTCHARSTYLE_OddBidiLevel;
+ }
+ AppendPiece(ttoPiece, bNeedReload, (bReload && i == iCount - 1));
+ }
+ iStartChar += iPieceChars;
+ iPieceWidths += iWidth;
+ }
+ m_pTxtBreak->ClearBreakPieces();
+ FX_BOOL bRet = bSingleLine || bLineWrap || (!bLineWrap && bNeedReload) || dwBreakStatus == FX_TXTBREAK_ParagraphBreak;
+ return bRet;
+}
+void CFDE_TextOut::AppendPiece(const FDE_TTOPIECE &ttoPiece, FX_BOOL bNeedReload, FX_BOOL bEnd)
+{
+ if (m_iCurLine >= m_ttoLines.GetSize()) {
+ CFDE_TTOLine ttoLine;
+ ttoLine.m_bNewReload = bNeedReload;
+ m_iCurPiece = ttoLine.AddPiece(m_iCurPiece, ttoPiece);
+ m_iCurLine = m_ttoLines.Add(ttoLine);
+ } else {
+ CFDE_TTOLine *pLine = m_ttoLines.GetPtrAt(m_iCurLine);
+ pLine->m_bNewReload = bNeedReload;
+ m_iCurPiece = pLine->AddPiece(m_iCurPiece, ttoPiece);
+ if (bEnd) {
+ FX_INT32 iPieces = pLine->GetSize();
+ if (m_iCurPiece < iPieces) {
+ pLine->RemoveLast(iPieces - m_iCurPiece - 1);
+ }
+ }
+ }
+ if (!bEnd && bNeedReload) {
+ m_iCurPiece = 0;
+ }
+}
+void CFDE_TextOut::ReplaceWidthEllipsis()
+{
+ LoadEllipsis();
+ FX_INT32 iLength = m_wsEllipsis.GetLength();
+ if (iLength < 1) {
+ return;
+ }
+ FX_INT32 iLines = m_ttoLines.GetSize();
+ for (FX_INT32 i = 0; i < iLines; i++) {
+ CFDE_TTOLine *pLine = m_ttoLines.GetPtrAt(i);
+ if (!pLine->m_bNewReload) {
+ continue;
+ }
+ FX_INT32 iEllipsisCharIndex = iLength - 1;
+ FX_INT32 iCharWidth = 0;
+ FX_INT32 iCharCount = 0;
+ FX_INT32 iPiece = pLine->GetSize();
+ while (iPiece-- > 0) {
+ FDE_LPTTOPIECE pPiece = pLine->GetPtrAt(iPiece);
+ if (pPiece == NULL) {
+ break;
+ }
+ for (FX_INT32 j = pPiece->iChars - 1; j >= 0; j--) {
+ if (iEllipsisCharIndex < 0) {
+ break;
+ }
+ FX_INT32 index = pPiece->iStartChar + j;
+ iCharWidth += m_pCharWidths[index];
+ iCharCount++;
+ if (iCharCount <= iLength) {
+ m_wsText.SetAt(index, m_wsEllipsis.GetAt(iEllipsisCharIndex));
+ m_pCharWidths[index] = m_pEllCharWidths[iEllipsisCharIndex];
+ } else if (iCharWidth <= m_iEllipsisWidth) {
+ m_wsText.SetAt(index, 0);
+ m_pCharWidths[index] = 0;
+ }
+ iEllipsisCharIndex--;
+ }
+ if (iEllipsisCharIndex < 0) {
+ break;
+ }
+ }
+ }
+}
+void CFDE_TextOut::Reload(const CFX_RectF &rect)
+{
+ FX_INT32 iCount = m_ttoLines.GetSize();
+ for (FX_INT32 i = 0; i < iCount; i++) {
+ CFDE_TTOLine *pLine = m_ttoLines.GetPtrAt(i);
+ if (pLine == NULL || !pLine->m_bNewReload) {
+ continue;
+ }
+ m_iCurLine = i;
+ m_iCurPiece = 0;
+ ReloadLinePiece(pLine, rect);
+ }
+}
+void CFDE_TextOut::ReloadLinePiece(CFDE_TTOLine *pLine, const CFX_RectF &rect)
+{
+ FX_LPCWSTR pwsStr = (FX_LPCWSTR)m_wsText;
+ FX_BOOL bVertical = (m_dwStyles & FDE_TTOSTYLE_VerticalLayout) ? TRUE : FALSE;
+ FX_INT32 iPieceWidths = 0;
+ FDE_LPTTOPIECE pPiece = pLine->GetPtrAt(0);
+ FX_INT32 iStartChar = pPiece->iStartChar;
+ m_fLinePos = bVertical ? pPiece->rtPiece.left : pPiece->rtPiece.top;
+ FX_INT32 iPieceCount = pLine->GetSize();
+ FX_INT32 iPieceIndex = 0;
+ FX_DWORD dwBreakStatus = 0;
+ FX_WCHAR wch;
+ while (iPieceIndex < iPieceCount) {
+ FX_INT32 iStar = iStartChar;
+ FX_INT32 iEnd = pPiece->iChars + iStar;
+ while (iStar < iEnd) {
+ wch = *(pwsStr + iStar);
+ dwBreakStatus = m_pTxtBreak->AppendChar(wch);
+ if (dwBreakStatus > FX_TXTBREAK_PieceBreak) {
+ RetriecePieces(dwBreakStatus, iStartChar, iPieceWidths, TRUE, rect);
+ }
+ iStar++;
+ }
+ iPieceIndex++;
+ pPiece = pLine->GetPtrAt(iPieceIndex);
+ }
+ dwBreakStatus = m_pTxtBreak->EndBreak(FX_TXTBREAK_ParagraphBreak);
+ if (dwBreakStatus > FX_TXTBREAK_PieceBreak) {
+ RetriecePieces(dwBreakStatus, iStartChar, iPieceWidths, TRUE, rect);
+ }
+ m_pTxtBreak->Reset();
+}
+void CFDE_TextOut::DoAlignment(const CFX_RectF &rect)
+{
+ FX_BOOL bVertical = (m_dwStyles & FDE_TTOSTYLE_VerticalLayout) ? TRUE : FALSE;
+ FX_FLOAT fLineStopS = bVertical ? rect.right() : rect.bottom();
+ FX_INT32 iLines = m_ttoLines.GetSize();
+ if (iLines < 1) {
+ return;
+ }
+ CFDE_TTOLine *pLine = m_ttoLines.GetPtrAt(iLines - 1);
+ FDE_LPTTOPIECE pPiece = pLine->GetPtrAt(0);
+ if (pPiece == NULL) {
+ return;
+ }
+ FX_FLOAT fLineStopD = bVertical ? pPiece->rtPiece.right() : pPiece->rtPiece.bottom();
+ FX_FLOAT fInc = fLineStopS - fLineStopD;
+ if (m_iAlignment >= FDE_TTOALIGNMENT_CenterLeft && m_iAlignment < FDE_TTOALIGNMENT_BottomLeft) {
+ fInc /= 2.0f;
+ } else if (m_iAlignment < FDE_TTOALIGNMENT_CenterLeft) {
+ fInc = 0.0f;
+ }
+ if (fInc < 1.0f) {
+ return;
+ }
+ for (FX_INT32 i = 0; i < iLines; i++) {
+ CFDE_TTOLine *pLine = m_ttoLines.GetPtrAt(i);
+ FX_INT32 iPieces = pLine->GetSize();
+ for (FX_INT32 j = 0; j < iPieces; j++) {
+ FDE_LPTTOPIECE pPiece = pLine->GetPtrAt(j);
+ if (bVertical) {
+ pPiece->rtPiece.left += fInc;
+ } else {
+ pPiece->rtPiece.top += fInc;
+ }
+ }
+ }
+}
+void CFDE_TextOut::OnDraw(const CFX_RectF &rtClip)
+{
+ if (m_pRenderDevice == NULL) {
+ return;
+ }
+ FX_INT32 iLines = m_ttoLines.GetSize();
+ if (iLines < 1) {
+ return;
+ }
+ IFDE_SolidBrush *pBrush = (IFDE_SolidBrush*)IFDE_Brush::Create(FDE_BRUSHTYPE_Solid);
+ pBrush->SetColor(m_TxtColor);
+ IFDE_Pen *pPen = NULL;
+ FDE_HDEVICESTATE hDev = m_pRenderDevice->SaveState();
+ if (rtClip.Width() > 0.0f && rtClip.Height() > 0.0f) {
+ m_pRenderDevice->SetClipRect(rtClip);
+ }
+ for (FX_INT32 i = 0; i < iLines; i++) {
+ CFDE_TTOLine *pLine = m_ttoLines.GetPtrAt(i);
+ FX_INT32 iPieces = pLine->GetSize();
+ for (FX_INT32 j = 0; j < iPieces; j++) {
+ FDE_LPTTOPIECE pPiece = pLine->GetPtrAt(j);
+ if (pPiece == NULL) {
+ continue;
+ }
+ FX_INT32 iCount = GetDisplayPos(pPiece);
+ if (iCount > 0) {
+ m_pRenderDevice->DrawString(pBrush, m_pFont, m_pCharPos, iCount, m_fFontSize, &m_Matrix);
+ }
+ DrawLine(pPiece, pPen);
+ }
+ }
+ m_pRenderDevice->RestoreState(hDev);
+ if (pBrush) {
+ pBrush->Release();
+ }
+ if (pPen) {
+ pPen->Release();
+ }
+}
+FX_INT32 CFDE_TextOut::GetDisplayPos(FDE_LPTTOPIECE pPiece)
+{
+ FX_TXTRUN tr;
+ ToTextRun(pPiece, tr);
+ ExpandBuffer(tr.iLength, 2);
+ return m_pTxtBreak->GetDisplayPos(&tr, m_pCharPos);
+}
+FX_INT32 CFDE_TextOut::GetCharRects(FDE_LPTTOPIECE pPiece)
+{
+ FX_TXTRUN tr;
+ ToTextRun(pPiece, tr);
+ m_rectArray.RemoveAll();
+ return m_pTxtBreak->GetCharRects(&tr, m_rectArray);
+}
+void CFDE_TextOut::ToTextRun(const FDE_LPTTOPIECE pPiece, FX_TXTRUN &tr)
+{
+ tr.pAccess = NULL;
+ tr.pIdentity = NULL;
+ tr.pStr = (FX_LPCWSTR)m_wsText + pPiece->iStartChar;
+ tr.pWidths = m_pCharWidths + pPiece->iStartChar;
+ tr.iLength = pPiece->iChars;
+ tr.pFont = m_pFont;
+ tr.fFontSize = m_fFontSize;
+ tr.dwStyles = m_dwTxtBkStyles;
+ tr.iCharRotation = 0;
+ tr.dwCharStyles = pPiece->dwCharStyles;
+ tr.wLineBreakChar = m_wParagraphBkChar;
+ tr.pRect = &pPiece->rtPiece;
+}
+void CFDE_TextOut::DrawLine(const FDE_LPTTOPIECE pPiece, IFDE_Pen *&pPen)
+{
+ FX_BOOL bUnderLine = (m_dwStyles & FDE_TTOSTYLE_Underline) ? TRUE : FALSE;
+ FX_BOOL bStrikeOut = (m_dwStyles & FDE_TTOSTYLE_Strikeout) ? TRUE : FALSE;
+ FX_BOOL bHotKey = (m_dwStyles & FDE_TTOSTYLE_HotKey) ? TRUE : FALSE;
+ FX_BOOL bVertical = (m_dwStyles & FDE_TTOSTYLE_VerticalLayout) ? TRUE : FALSE;
+ if (!bUnderLine && !bStrikeOut && !bHotKey) {
+ return;
+ }
+ if (pPen == NULL) {
+ pPen = IFDE_Pen::Create();
+ pPen->SetColor(m_TxtColor);
+ }
+ IFDE_Path *pPath = IFDE_Path::Create();
+ FX_INT32 iLineCount = 0;
+ CFX_RectF rtText = pPiece->rtPiece;
+ CFX_PointF pt1, pt2;
+ if (bUnderLine) {
+ if (bVertical) {
+ pt1.x = rtText.left;
+ pt1.y = rtText.top;
+ pt2.x = rtText.left;
+ pt2.y = rtText.bottom();
+ } else {
+ pt1.x = rtText.left;
+ pt1.y = rtText.bottom();
+ pt2.x = rtText.right();
+ pt2.y = rtText.bottom();
+ }
+ pPath->AddLine(pt1, pt2);
+ iLineCount++;
+ }
+ if (bStrikeOut) {
+ if (bVertical) {
+ pt1.x = rtText.left + rtText.width * 2.0f / 5.0f;
+ pt1.y = rtText.top;;
+ pt2.x = pt1.x;
+ pt2.y = rtText.bottom();
+ } else {
+ pt1.x = rtText.left;
+ pt1.y = rtText.bottom() - rtText.height * 2.0f / 5.0f;
+ pt2.x = rtText.right();
+ pt2.y = pt1.y;
+ }
+ pPath->AddLine(pt1, pt2);
+ iLineCount++;
+ }
+ if (bHotKey) {
+ FX_INT32 iHotKeys = m_hotKeys.GetSize();
+ FX_INT32 iCount = GetCharRects(pPiece);
+ if (iCount > 0) {
+ for (FX_INT32 i = 0; i < iHotKeys; i++) {
+ FX_INT32 iCharIndex = m_hotKeys.GetAt(i);
+ if (iCharIndex >= pPiece->iStartChar && iCharIndex < pPiece->iStartChar + pPiece->iChars) {
+ CFX_RectF rect = m_rectArray.GetAt(iCharIndex - pPiece->iStartChar);
+ if (bVertical) {
+ pt1.x = rect.left;
+ pt1.y = rect.top;
+ pt2.x = rect.left;
+ pt2.y = rect.bottom();
+ } else {
+ pt1.x = rect.left;
+ pt1.y = rect.bottom();
+ pt2.x = rect.right();
+ pt2.y = rect.bottom();
+ }
+ pPath->AddLine(pt1, pt2);
+ iLineCount++;
+ }
+ }
+ }
+ }
+ if (iLineCount > 0) {
+ m_pRenderDevice->DrawPath(pPen, 1, pPath, &m_Matrix);
+ }
+ pPath->Release();
+}
+CFDE_TTOLine::CFDE_TTOLine()
+ : m_bNewReload(FALSE)
+ , m_pieces(5)
+ , m_iPieceCount(0)
+{
+}
+CFDE_TTOLine::CFDE_TTOLine(const CFDE_TTOLine &ttoLine)
+ : m_pieces(5)
+{
+ m_bNewReload = ttoLine.m_bNewReload;
+ m_iPieceCount = ttoLine.m_iPieceCount;
+ m_pieces.Copy(ttoLine.m_pieces);
+}
+CFDE_TTOLine::~CFDE_TTOLine()
+{
+}
+FX_INT32 CFDE_TTOLine::AddPiece(FX_INT32 index, const FDE_TTOPIECE &ttoPiece)
+{
+ if (index >= m_iPieceCount) {
+ index = m_pieces.Add(ttoPiece) + 1;
+ m_iPieceCount++;
+ } else {
+ FDE_TTOPIECE &piece = m_pieces.GetAt(index);
+ piece = ttoPiece;
+ }
+ return index;
+}
+FX_INT32 CFDE_TTOLine::GetSize() const
+{
+ return m_iPieceCount;
+}
+FDE_LPTTOPIECE CFDE_TTOLine::GetPtrAt(FX_INT32 index)
+{
+ if (index >= m_iPieceCount) {
+ return NULL;
+ }
+ return m_pieces.GetPtrAt(index);
+}
+void CFDE_TTOLine::RemoveLast(FX_INT32 iCount)
+{
+ m_pieces.RemoveLast(iCount);
+}
+void CFDE_TTOLine::RemoveAll(FX_BOOL bLeaveMemory)
+{
+ m_pieces.RemoveAll(bLeaveMemory);
+}