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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 "fpdfsdk/include/pdfwindow/PWL_Caret.h" | |
| 8 #include "fpdfsdk/include/pdfwindow/PWL_Utils.h" | |
| 9 #include "fpdfsdk/include/pdfwindow/PWL_Wnd.h" | |
| 10 | |
| 11 #define PWL_CARET_FLASHINTERVAL 500 | |
| 12 | |
| 13 CPWL_Caret::CPWL_Caret() | |
| 14 : m_bFlash(FALSE), | |
| 15 m_ptHead(0, 0), | |
| 16 m_ptFoot(0, 0), | |
| 17 m_fWidth(0.4f), | |
| 18 m_nDelay(0) {} | |
| 19 | |
| 20 CPWL_Caret::~CPWL_Caret() {} | |
| 21 | |
| 22 CFX_ByteString CPWL_Caret::GetClassName() const { | |
| 23 return "CPWL_Caret"; | |
| 24 } | |
| 25 | |
| 26 void CPWL_Caret::GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) { | |
| 27 GetCaretApp(sAppStream, CFX_FloatPoint(0.0f, 0.0f)); | |
| 28 } | |
| 29 | |
| 30 void CPWL_Caret::DrawThisAppearance(CFX_RenderDevice* pDevice, | |
| 31 CFX_Matrix* pUser2Device) { | |
| 32 if (IsVisible() && m_bFlash) { | |
| 33 CFX_FloatRect rcRect = GetCaretRect(); | |
| 34 CFX_FloatRect rcClip = GetClipRect(); | |
| 35 | |
| 36 CFX_PathData path; | |
| 37 | |
| 38 path.SetPointCount(2); | |
| 39 | |
| 40 FX_FLOAT fCaretX = rcRect.left + m_fWidth * 0.5f; | |
| 41 FX_FLOAT fCaretTop = rcRect.top; | |
| 42 FX_FLOAT fCaretBottom = rcRect.bottom; | |
| 43 | |
| 44 if (!rcClip.IsEmpty()) { | |
| 45 rcRect.Intersect(rcClip); | |
| 46 if (!rcRect.IsEmpty()) { | |
| 47 fCaretTop = rcRect.top; | |
| 48 fCaretBottom = rcRect.bottom; | |
| 49 path.SetPoint(0, fCaretX, fCaretBottom, FXPT_MOVETO); | |
| 50 path.SetPoint(1, fCaretX, fCaretTop, FXPT_LINETO); | |
| 51 } else { | |
| 52 return; | |
| 53 } | |
| 54 } else { | |
| 55 path.SetPoint(0, fCaretX, fCaretBottom, FXPT_MOVETO); | |
| 56 path.SetPoint(1, fCaretX, fCaretTop, FXPT_LINETO); | |
| 57 } | |
| 58 | |
| 59 CFX_GraphStateData gsd; | |
| 60 gsd.m_LineWidth = m_fWidth; | |
| 61 | |
| 62 pDevice->DrawPath(&path, pUser2Device, &gsd, 0, ArgbEncode(255, 0, 0, 0), | |
| 63 FXFILL_ALTERNATE); | |
| 64 } | |
| 65 } | |
| 66 | |
| 67 void CPWL_Caret::GetCaretApp(CFX_ByteTextBuf& sAppStream, | |
| 68 const CFX_FloatPoint& ptOffset) { | |
| 69 if (IsVisible() && m_bFlash) { | |
| 70 CFX_ByteTextBuf sCaret; | |
| 71 | |
| 72 CFX_FloatRect rcRect = GetCaretRect(); | |
| 73 CFX_FloatRect rcClip = GetClipRect(); | |
| 74 | |
| 75 rcRect = CPWL_Utils::OffsetRect(rcRect, ptOffset.x, ptOffset.y); | |
| 76 rcClip = CPWL_Utils::OffsetRect(rcClip, ptOffset.x, ptOffset.y); | |
| 77 | |
| 78 sCaret << "q\n"; | |
| 79 if (!rcClip.IsEmpty()) { | |
| 80 sCaret << rcClip.left << " " << rcClip.bottom + 2.5f << " " | |
| 81 << rcClip.right - rcClip.left << " " | |
| 82 << rcClip.top - rcClip.bottom - 4.5f << " re W n\n"; | |
| 83 } | |
| 84 sCaret << m_fWidth << " w\n0 G\n"; | |
| 85 sCaret << rcRect.left + m_fWidth / 2 << " " << rcRect.bottom << " m\n"; | |
| 86 sCaret << rcRect.left + m_fWidth / 2 << " " << rcRect.top << " l S\nQ\n"; | |
| 87 | |
| 88 sAppStream << sCaret; | |
| 89 } | |
| 90 } | |
| 91 | |
| 92 CFX_ByteString CPWL_Caret::GetCaretAppearanceStream( | |
| 93 const CFX_FloatPoint& ptOffset) { | |
| 94 CFX_ByteTextBuf sCaret; | |
| 95 GetCaretApp(sCaret, ptOffset); | |
| 96 return sCaret.GetByteString(); | |
| 97 } | |
| 98 | |
| 99 void CPWL_Caret::TimerProc() { | |
| 100 if (m_nDelay > 0) { | |
| 101 m_nDelay--; | |
| 102 } else { | |
| 103 m_bFlash = !m_bFlash; | |
| 104 InvalidateRect(); | |
| 105 } | |
| 106 } | |
| 107 | |
| 108 CFX_FloatRect CPWL_Caret::GetCaretRect() const { | |
| 109 return CFX_FloatRect(m_ptFoot.x, m_ptFoot.y, m_ptHead.x + m_fWidth, | |
| 110 m_ptHead.y); | |
| 111 } | |
| 112 | |
| 113 void CPWL_Caret::SetCaret(FX_BOOL bVisible, | |
| 114 const CFX_FloatPoint& ptHead, | |
| 115 const CFX_FloatPoint& ptFoot) { | |
| 116 if (bVisible) { | |
| 117 if (IsVisible()) { | |
| 118 if (m_ptHead.x != ptHead.x || m_ptHead.y != ptHead.y || | |
| 119 m_ptFoot.x != ptFoot.x || m_ptFoot.y != ptFoot.y) { | |
| 120 m_ptHead = ptHead; | |
| 121 m_ptFoot = ptFoot; | |
| 122 | |
| 123 m_bFlash = TRUE; | |
| 124 Move(m_rcInvalid, FALSE, TRUE); | |
| 125 } | |
| 126 } else { | |
| 127 m_ptHead = ptHead; | |
| 128 m_ptFoot = ptFoot; | |
| 129 | |
| 130 EndTimer(); | |
| 131 BeginTimer(PWL_CARET_FLASHINTERVAL); | |
| 132 | |
| 133 CPWL_Wnd::SetVisible(TRUE); | |
| 134 m_bFlash = TRUE; | |
| 135 | |
| 136 Move(m_rcInvalid, FALSE, TRUE); | |
| 137 } | |
| 138 } else { | |
| 139 m_ptHead = CFX_FloatPoint(0, 0); | |
| 140 m_ptFoot = CFX_FloatPoint(0, 0); | |
| 141 | |
| 142 m_bFlash = FALSE; | |
| 143 if (IsVisible()) { | |
| 144 EndTimer(); | |
| 145 CPWL_Wnd::SetVisible(FALSE); | |
| 146 } | |
| 147 } | |
| 148 } | |
| 149 | |
| 150 void CPWL_Caret::InvalidateRect(CFX_FloatRect* pRect) { | |
| 151 if (pRect) { | |
| 152 CFX_FloatRect rcRefresh = CPWL_Utils::InflateRect(*pRect, 0.5f); | |
| 153 rcRefresh.top += 1; | |
| 154 rcRefresh.bottom -= 1; | |
| 155 | |
| 156 CPWL_Wnd::InvalidateRect(&rcRefresh); | |
| 157 } else { | |
| 158 CPWL_Wnd::InvalidateRect(pRect); | |
| 159 } | |
| 160 } | |
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Chromium Code Reviews
Issue 1799773002:
Move fpdfsdk/src up to fpdfsdk/. (Closed)
Base URL: https://pdfium.googlesource.com/pdfium.git@master