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// 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/app/cxfa_ffline.h"
#include "xfa/fxgraphics/cfx_graphics.h"
#include "xfa/fxgraphics/cfx_path.h"
#include "xfa/fxgraphics/cxfa_color.h"
CXFA_FFLine::CXFA_FFLine(CXFA_WidgetAcc* pDataAcc) : CXFA_FFDraw(pDataAcc) {}
CXFA_FFLine::~CXFA_FFLine() {}
void CXFA_FFLine::GetRectFromHand(CFX_RectF& rect,
int32_t 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;
}
} else if (rect.width < 1.0f) {
switch (iHand) {
case XFA_ATTRIBUTEENUM_Left:
rect.left += fHalfWidth;
break;
case XFA_ATTRIBUTEENUM_Right:
rect.left += fHalfWidth;
break;
}
} else {
switch (iHand) {
case XFA_ATTRIBUTEENUM_Left:
rect.Inflate(fHalfWidth, fHalfWidth);
break;
case XFA_ATTRIBUTEENUM_Right:
rect.Deflate(fHalfWidth, fHalfWidth);
break;
}
}
}
void CXFA_FFLine::RenderWidget(CFX_Graphics* pGS,
CFX_Matrix* pMatrix,
uint32_t dwStatus) {
if (!IsMatchVisibleStatus(dwStatus))
return;
CXFA_Value value = m_pDataAcc->GetFormValue();
if (!value)
return;
CXFA_Line lineObj = value.GetLine();
FX_ARGB lineColor = 0xFF000000;
int32_t iStrokeType = 0;
float fLineWidth = 1.0f;
int32_t iCap = 0;
CXFA_Edge edge = lineObj.GetEdge();
if (edge) {
if (edge.GetPresence() != XFA_ATTRIBUTEENUM_Visible)
return;
lineColor = edge.GetColor();
iStrokeType = edge.GetStrokeType();
fLineWidth = edge.GetThickness();
iCap = edge.GetCapType();
}
CFX_Matrix mtRotate = GetRotateMatrix();
if (pMatrix)
mtRotate.Concat(*pMatrix);
CFX_RectF rtLine = GetRectWithoutRotate();
if (CXFA_Margin mgWidget = m_pDataAcc->GetMargin())
XFA_RectWidthoutMargin(rtLine, mgWidget);
GetRectFromHand(rtLine, lineObj.GetHand(), fLineWidth);
CFX_Path linePath;
if (lineObj.GetSlope() && rtLine.right() > 0.0f && rtLine.bottom() > 0.0f)
linePath.AddLine(rtLine.TopRight(), rtLine.BottomLeft());
else
linePath.AddLine(rtLine.TopLeft(), rtLine.BottomRight());
CXFA_Color color(lineColor);
pGS->SaveGraphState();
pGS->SetLineWidth(fLineWidth, true);
XFA_StrokeTypeSetLineDash(pGS, iStrokeType, iCap);
pGS->SetStrokeColor(&color);
pGS->SetLineCap(XFA_LineCapToFXGE(iCap));
pGS->StrokePath(&linePath, &mtRotate);
pGS->RestoreGraphState();
}
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