| // Copyright 2017 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 "xfa/fxfa/cxfa_ffline.h" |
| |
| #include "xfa/fxfa/parser/cxfa_value.h" |
| #include "xfa/fxgraphics/cxfa_gecolor.h" |
| #include "xfa/fxgraphics/cxfa_gepath.h" |
| #include "xfa/fxgraphics/cxfa_graphics.h" |
| |
| namespace { |
| |
| CFX_GraphStateData::LineCap LineCapToFXGE(XFA_AttributeEnum iLineCap) { |
| switch (iLineCap) { |
| case XFA_AttributeEnum::Round: |
| return CFX_GraphStateData::LineCapRound; |
| case XFA_AttributeEnum::Butt: |
| return CFX_GraphStateData::LineCapButt; |
| default: |
| break; |
| } |
| return CFX_GraphStateData::LineCapSquare; |
| } |
| |
| } // namespace |
| |
| CXFA_FFLine::CXFA_FFLine(CXFA_WidgetAcc* pDataAcc) : CXFA_FFDraw(pDataAcc) {} |
| |
| CXFA_FFLine::~CXFA_FFLine() {} |
| |
| void CXFA_FFLine::GetRectFromHand(CFX_RectF& rect, |
| XFA_AttributeEnum iHand, |
| float fLineWidth) { |
| float fHalfWidth = fLineWidth / 2.0f; |
| if (rect.height < 1.0f) { |
| switch (iHand) { |
| case XFA_AttributeEnum::Left: |
| rect.top -= fHalfWidth; |
| break; |
| case XFA_AttributeEnum::Right: |
| rect.top += fHalfWidth; |
| case XFA_AttributeEnum::Even: |
| break; |
| default: |
| NOTREACHED(); |
| break; |
| } |
| } else if (rect.width < 1.0f) { |
| switch (iHand) { |
| case XFA_AttributeEnum::Left: |
| rect.left += fHalfWidth; |
| break; |
| case XFA_AttributeEnum::Right: |
| rect.left += fHalfWidth; |
| break; |
| case XFA_AttributeEnum::Even: |
| break; |
| default: |
| NOTREACHED(); |
| break; |
| } |
| } else { |
| switch (iHand) { |
| case XFA_AttributeEnum::Left: |
| rect.Inflate(fHalfWidth, fHalfWidth); |
| break; |
| case XFA_AttributeEnum::Right: |
| rect.Deflate(fHalfWidth, fHalfWidth); |
| break; |
| case XFA_AttributeEnum::Even: |
| break; |
| default: |
| NOTREACHED(); |
| break; |
| } |
| } |
| } |
| |
| void CXFA_FFLine::RenderWidget(CXFA_Graphics* pGS, |
| const CFX_Matrix& matrix, |
| uint32_t dwStatus) { |
| if (!IsMatchVisibleStatus(dwStatus)) |
| return; |
| |
| CXFA_Value* value = m_pDataAcc->GetFormValue(); |
| if (!value) |
| return; |
| |
| CXFA_LineData lineData = value->GetLineData(); |
| FX_ARGB lineColor = 0xFF000000; |
| float fLineWidth = 1.0f; |
| XFA_AttributeEnum iStrokeType = XFA_AttributeEnum::Unknown; |
| XFA_AttributeEnum iCap = XFA_AttributeEnum::Unknown; |
| CXFA_EdgeData edgeData = lineData.GetEdgeData(); |
| if (edgeData.HasValidNode()) { |
| if (!edgeData.IsVisible()) |
| return; |
| |
| lineColor = edgeData.GetColor(); |
| iStrokeType = edgeData.GetStrokeType(); |
| fLineWidth = edgeData.GetThickness(); |
| iCap = edgeData.GetCapType(); |
| } |
| |
| CFX_Matrix mtRotate = GetRotateMatrix(); |
| mtRotate.Concat(matrix); |
| |
| CFX_RectF rtLine = GetRectWithoutRotate(); |
| CXFA_MarginData marginData = m_pDataAcc->GetMarginData(); |
| if (marginData.HasValidNode()) |
| XFA_RectWidthoutMargin(rtLine, marginData); |
| |
| GetRectFromHand(rtLine, lineData.GetHand(), fLineWidth); |
| CXFA_GEPath linePath; |
| if (lineData.GetSlope() && rtLine.right() > 0.0f && rtLine.bottom() > 0.0f) |
| linePath.AddLine(rtLine.TopRight(), rtLine.BottomLeft()); |
| else |
| linePath.AddLine(rtLine.TopLeft(), rtLine.BottomRight()); |
| |
| pGS->SaveGraphState(); |
| pGS->SetLineWidth(fLineWidth); |
| pGS->EnableActOnDash(); |
| XFA_StrokeTypeSetLineDash(pGS, iStrokeType, iCap); |
| |
| pGS->SetStrokeColor(CXFA_GEColor(lineColor)); |
| pGS->SetLineCap(LineCapToFXGE(iCap)); |
| pGS->StrokePath(&linePath, &mtRotate); |
| pGS->RestoreGraphState(); |
| } |