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1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #include "xfa/fde/fde_render.h" | 7 #include "xfa/fde/fde_render.h" |
8 | 8 |
| 9 #include "xfa/fde/fde_gedevice.h" |
9 #include "xfa/fde/fde_object.h" | 10 #include "xfa/fde/fde_object.h" |
10 #include "xfa/fde/fde_renderdevice.h" | |
11 #include "xfa/fgas/crt/fgas_memory.h" | 11 #include "xfa/fgas/crt/fgas_memory.h" |
12 | 12 |
13 #define FDE_PATHRENDER_Stroke 1 | 13 #define FDE_PATHRENDER_Stroke 1 |
14 #define FDE_PATHRENDER_Fill 2 | 14 #define FDE_PATHRENDER_Fill 2 |
15 | 15 |
16 namespace { | |
17 | |
18 class CFDE_RenderContext : public IFDE_RenderContext, public CFX_Target { | |
19 public: | |
20 CFDE_RenderContext(); | |
21 virtual ~CFDE_RenderContext(); | |
22 virtual void Release() { delete this; } | |
23 virtual FX_BOOL StartRender(IFDE_RenderDevice* pRenderDevice, | |
24 IFDE_CanvasSet* pCanvasSet, | |
25 const CFX_Matrix& tmDoc2Device); | |
26 virtual FDE_RENDERSTATUS GetStatus() const { return m_eStatus; } | |
27 virtual FDE_RENDERSTATUS DoRender(IFX_Pause* pPause = nullptr); | |
28 virtual void StopRender(); | |
29 void RenderText(IFDE_TextSet* pTextSet, FDE_HVISUALOBJ hText); | |
30 FX_BOOL ApplyClip(IFDE_VisualSet* pVisualSet, | |
31 FDE_HVISUALOBJ hObj, | |
32 FDE_HDEVICESTATE& hState); | |
33 void RestoreClip(FDE_HDEVICESTATE hState); | |
34 | |
35 protected: | |
36 FDE_RENDERSTATUS m_eStatus; | |
37 IFDE_RenderDevice* m_pRenderDevice; | |
38 CFDE_Brush* m_pBrush; | |
39 CFX_Matrix m_Transform; | |
40 FXTEXT_CHARPOS* m_pCharPos; | |
41 int32_t m_iCharPosCount; | |
42 IFDE_VisualSetIterator* m_pIterator; | |
43 }; | |
44 | |
45 } // namespace | |
46 | |
47 void FDE_GetPageMatrix(CFX_Matrix& pageMatrix, | |
48 const CFX_RectF& docPageRect, | |
49 const CFX_Rect& devicePageRect, | |
50 int32_t iRotate, | |
51 uint32_t dwCoordinatesType) { | |
52 FXSYS_assert(iRotate >= 0 && iRotate <= 3); | |
53 FX_BOOL bFlipX = (dwCoordinatesType & 0x01) != 0; | |
54 FX_BOOL bFlipY = (dwCoordinatesType & 0x02) != 0; | |
55 CFX_Matrix m; | |
56 m.Set((bFlipX ? -1.0f : 1.0f), 0, 0, (bFlipY ? -1.0f : 1.0f), 0, 0); | |
57 if (iRotate == 0 || iRotate == 2) { | |
58 m.a *= (FX_FLOAT)devicePageRect.width / docPageRect.width; | |
59 m.d *= (FX_FLOAT)devicePageRect.height / docPageRect.height; | |
60 } else { | |
61 m.a *= (FX_FLOAT)devicePageRect.height / docPageRect.width; | |
62 m.d *= (FX_FLOAT)devicePageRect.width / docPageRect.height; | |
63 } | |
64 m.Rotate(iRotate * 1.57079632675f); | |
65 switch (iRotate) { | |
66 case 0: | |
67 m.e = bFlipX ? (FX_FLOAT)devicePageRect.right() | |
68 : (FX_FLOAT)devicePageRect.left; | |
69 m.f = bFlipY ? (FX_FLOAT)devicePageRect.bottom() | |
70 : (FX_FLOAT)devicePageRect.top; | |
71 break; | |
72 case 1: | |
73 m.e = bFlipY ? (FX_FLOAT)devicePageRect.left | |
74 : (FX_FLOAT)devicePageRect.right(); | |
75 m.f = bFlipX ? (FX_FLOAT)devicePageRect.bottom() | |
76 : (FX_FLOAT)devicePageRect.top; | |
77 break; | |
78 case 2: | |
79 m.e = bFlipX ? (FX_FLOAT)devicePageRect.left | |
80 : (FX_FLOAT)devicePageRect.right(); | |
81 m.f = bFlipY ? (FX_FLOAT)devicePageRect.top | |
82 : (FX_FLOAT)devicePageRect.bottom(); | |
83 break; | |
84 case 3: | |
85 m.e = bFlipY ? (FX_FLOAT)devicePageRect.right() | |
86 : (FX_FLOAT)devicePageRect.left; | |
87 m.f = bFlipX ? (FX_FLOAT)devicePageRect.top | |
88 : (FX_FLOAT)devicePageRect.bottom(); | |
89 break; | |
90 default: | |
91 break; | |
92 } | |
93 pageMatrix = m; | |
94 } | |
95 | |
96 IFDE_RenderContext* IFDE_RenderContext::Create() { | |
97 return new CFDE_RenderContext; | |
98 } | |
99 | |
100 CFDE_RenderContext::CFDE_RenderContext() | 16 CFDE_RenderContext::CFDE_RenderContext() |
101 : m_eStatus(FDE_RENDERSTATUS_Reset), | 17 : m_eStatus(FDE_RENDERSTATUS_Reset), |
102 m_pRenderDevice(nullptr), | 18 m_pRenderDevice(nullptr), |
103 m_pBrush(nullptr), | 19 m_pBrush(nullptr), |
104 m_Transform(), | 20 m_Transform(), |
105 m_pCharPos(nullptr), | 21 m_pCharPos(nullptr), |
106 m_iCharPosCount(0), | 22 m_iCharPosCount(0), |
107 m_pIterator(nullptr) { | 23 m_pIterator(nullptr) { |
108 m_Transform.SetIdentity(); | 24 m_Transform.SetIdentity(); |
109 } | 25 } |
110 | 26 |
111 CFDE_RenderContext::~CFDE_RenderContext() { | 27 CFDE_RenderContext::~CFDE_RenderContext() { |
112 StopRender(); | 28 StopRender(); |
113 } | 29 } |
114 | 30 |
115 FX_BOOL CFDE_RenderContext::StartRender(IFDE_RenderDevice* pRenderDevice, | 31 FX_BOOL CFDE_RenderContext::StartRender(CFDE_RenderDevice* pRenderDevice, |
116 IFDE_CanvasSet* pCanvasSet, | 32 IFDE_CanvasSet* pCanvasSet, |
117 const CFX_Matrix& tmDoc2Device) { | 33 const CFX_Matrix& tmDoc2Device) { |
118 if (m_pRenderDevice) | 34 if (m_pRenderDevice) |
119 return FALSE; | 35 return FALSE; |
120 if (!pRenderDevice) | 36 if (!pRenderDevice) |
121 return FALSE; | 37 return FALSE; |
122 if (!pCanvasSet) | 38 if (!pCanvasSet) |
123 return FALSE; | 39 return FALSE; |
124 | 40 |
125 m_eStatus = FDE_RENDERSTATUS_Paused; | 41 m_eStatus = FDE_RENDERSTATUS_Paused; |
126 m_pRenderDevice = pRenderDevice; | 42 m_pRenderDevice = pRenderDevice; |
127 m_Transform = tmDoc2Device; | 43 m_Transform = tmDoc2Device; |
128 if (!m_pIterator) { | 44 if (!m_pIterator) |
129 m_pIterator = IFDE_VisualSetIterator::Create(); | 45 m_pIterator = new CFDE_VisualSetIterator; |
130 FXSYS_assert(m_pIterator); | 46 |
131 } | |
132 return m_pIterator->AttachCanvas(pCanvasSet) && m_pIterator->FilterObjects(); | 47 return m_pIterator->AttachCanvas(pCanvasSet) && m_pIterator->FilterObjects(); |
133 } | 48 } |
134 | 49 |
135 FDE_RENDERSTATUS CFDE_RenderContext::DoRender(IFX_Pause* pPause) { | 50 FDE_RENDERSTATUS CFDE_RenderContext::DoRender(IFX_Pause* pPause) { |
136 if (!m_pRenderDevice) | 51 if (!m_pRenderDevice) |
137 return FDE_RENDERSTATUS_Failed; | 52 return FDE_RENDERSTATUS_Failed; |
138 if (!m_pIterator) | 53 if (!m_pIterator) |
139 return FDE_RENDERSTATUS_Failed; | 54 return FDE_RENDERSTATUS_Failed; |
140 | 55 |
141 FDE_RENDERSTATUS eStatus = FDE_RENDERSTATUS_Paused; | 56 FDE_RENDERSTATUS eStatus = FDE_RENDERSTATUS_Paused; |
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248 m_Transform.TransformRect(rtClip); | 163 m_Transform.TransformRect(rtClip); |
249 const CFX_RectF& rtDevClip = m_pRenderDevice->GetClipRect(); | 164 const CFX_RectF& rtDevClip = m_pRenderDevice->GetClipRect(); |
250 rtClip.Intersect(rtDevClip); | 165 rtClip.Intersect(rtDevClip); |
251 hState = m_pRenderDevice->SaveState(); | 166 hState = m_pRenderDevice->SaveState(); |
252 return m_pRenderDevice->SetClipRect(rtClip); | 167 return m_pRenderDevice->SetClipRect(rtClip); |
253 } | 168 } |
254 | 169 |
255 void CFDE_RenderContext::RestoreClip(FDE_HDEVICESTATE hState) { | 170 void CFDE_RenderContext::RestoreClip(FDE_HDEVICESTATE hState) { |
256 m_pRenderDevice->RestoreState(hState); | 171 m_pRenderDevice->RestoreState(hState); |
257 } | 172 } |
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