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Side by Side Diff: xfa/src/fxfa/app/xfa_rendercontext.cpp

Issue 1803723002: Move xfa/src up to xfa/. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Rebase to master Created 4 years, 9 months ago
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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 "xfa/src/fxfa/app/xfa_rendercontext.h"
8
9 #include "xfa/include/fxgraphics/fx_graphics.h"
10 #include "xfa/src/fxfa/app/xfa_ffwidget.h"
11
12 #define XFA_RENDERCONTEXT_MaxCount 30
13
14 IXFA_RenderContext* XFA_RenderContext_Create() {
15 return new CXFA_RenderContext;
16 }
17 CXFA_RenderContext::CXFA_RenderContext() {
18 m_pWidgetIterator = NULL;
19 m_pWidget = NULL;
20 m_pPageView = NULL;
21 m_pGS = NULL;
22 m_dwStatus = 0;
23 m_matrix.SetIdentity();
24 m_rtClipRect.Reset();
25 }
26 CXFA_RenderContext::~CXFA_RenderContext() {
27 StopRender();
28 }
29 int32_t CXFA_RenderContext::StartRender(IXFA_PageView* pPageView,
30 CFX_Graphics* pGS,
31 const CFX_Matrix& matrix,
32 const CXFA_RenderOptions& options) {
33 m_pPageView = pPageView;
34 m_pGS = pGS;
35 m_matrix = matrix;
36 m_options = options;
37 CFX_RectF rtPage;
38 pGS->GetClipRect(rtPage);
39 CFX_Matrix mtRes;
40 mtRes.SetReverse(matrix);
41 m_rtClipRect.Set(rtPage.left, rtPage.top, rtPage.width, rtPage.height);
42 mtRes.TransformRect(m_rtClipRect);
43 m_dwStatus = m_options.m_bHighlight ? XFA_WIDGETSTATUS_Highlight : 0;
44 FX_DWORD dwFilterType = XFA_WIDGETFILTER_Visible | XFA_WIDGETFILTER_AllType |
45 (m_options.m_bPrint ? XFA_WIDGETSTATUS_Printable
46 : XFA_WIDGETSTATUS_Viewable);
47 m_pWidgetIterator =
48 m_pPageView->CreateWidgetIterator(XFA_TRAVERSEWAY_Form, dwFilterType);
49 m_pWidget = m_pWidgetIterator->MoveToNext();
50 return XFA_RENDERSTATUS_Ready;
51 }
52 int32_t CXFA_RenderContext::DoRender(IFX_Pause* pPause) {
53 int32_t iCount = 0;
54 while (m_pWidget) {
55 CXFA_FFWidget* pWidget = (CXFA_FFWidget*)m_pWidget;
56 CFX_RectF rtWidgetBox;
57 pWidget->GetBBox(rtWidgetBox, XFA_WIDGETSTATUS_Visible);
58 rtWidgetBox.width += 1;
59 rtWidgetBox.height += 1;
60 if (rtWidgetBox.IntersectWith(m_rtClipRect)) {
61 pWidget->RenderWidget(m_pGS, &m_matrix, m_dwStatus);
62 }
63 m_pWidget = m_pWidgetIterator->MoveToNext();
64 iCount++;
65 if (iCount > XFA_RENDERCONTEXT_MaxCount && pPause &&
66 pPause->NeedToPauseNow()) {
67 return XFA_RENDERSTATUS_ToBeContinued;
68 }
69 }
70 return XFA_RENDERSTATUS_Done;
71 }
72 void CXFA_RenderContext::StopRender() {
73 if (m_pWidgetIterator) {
74 m_pWidgetIterator->Release();
75 m_pWidgetIterator = NULL;
76 }
77 }
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