OLD | NEW |
1 // Copyright 2016 PDFium Authors. All rights reserved. | 1 // Copyright 2016 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 "core/fxge/ge/cfx_cliprgn.h" | 7 #include "core/fxge/ge/cfx_cliprgn.h" |
8 | 8 |
9 CFX_ClipRgn::CFX_ClipRgn(int width, int height) | 9 CFX_ClipRgn::CFX_ClipRgn(int width, int height) |
10 : m_Type(RectI), m_Box(0, 0, width, height) {} | 10 : m_Type(RectI), m_Box(0, 0, width, height) {} |
(...skipping 31 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
42 m_Box = rect; | 42 m_Box = rect; |
43 m_Box.Intersect(mask_rect); | 43 m_Box.Intersect(mask_rect); |
44 if (m_Box.IsEmpty()) { | 44 if (m_Box.IsEmpty()) { |
45 m_Type = RectI; | 45 m_Type = RectI; |
46 return; | 46 return; |
47 } | 47 } |
48 if (m_Box == mask_rect) { | 48 if (m_Box == mask_rect) { |
49 m_Mask = Mask; | 49 m_Mask = Mask; |
50 return; | 50 return; |
51 } | 51 } |
52 CFX_DIBitmap* new_dib = m_Mask.New(); | 52 CFX_DIBitmap* new_dib = m_Mask.Emplace(); |
53 if (!new_dib) | |
54 return; | |
55 new_dib->Create(m_Box.Width(), m_Box.Height(), FXDIB_8bppMask); | 53 new_dib->Create(m_Box.Width(), m_Box.Height(), FXDIB_8bppMask); |
56 for (int row = m_Box.top; row < m_Box.bottom; row++) { | 54 for (int row = m_Box.top; row < m_Box.bottom; row++) { |
57 uint8_t* dest_scan = | 55 uint8_t* dest_scan = |
58 new_dib->GetBuffer() + new_dib->GetPitch() * (row - m_Box.top); | 56 new_dib->GetBuffer() + new_dib->GetPitch() * (row - m_Box.top); |
59 uint8_t* src_scan = | 57 uint8_t* src_scan = |
60 mask_dib->GetBuffer() + mask_dib->GetPitch() * (row - mask_rect.top); | 58 mask_dib->GetBuffer() + mask_dib->GetPitch() * (row - mask_rect.top); |
61 for (int col = m_Box.left; col < m_Box.right; col++) | 59 for (int col = m_Box.left; col < m_Box.right; col++) |
62 dest_scan[col - m_Box.left] = src_scan[col - mask_rect.left]; | 60 dest_scan[col - m_Box.left] = src_scan[col - mask_rect.left]; |
63 } | 61 } |
64 } | 62 } |
(...skipping 10 matching lines...) Expand all Loading... |
75 if (m_Type == MaskF) { | 73 if (m_Type == MaskF) { |
76 FX_RECT new_box = m_Box; | 74 FX_RECT new_box = m_Box; |
77 new_box.Intersect(mask_box); | 75 new_box.Intersect(mask_box); |
78 if (new_box.IsEmpty()) { | 76 if (new_box.IsEmpty()) { |
79 m_Type = RectI; | 77 m_Type = RectI; |
80 m_Mask.SetNull(); | 78 m_Mask.SetNull(); |
81 m_Box = new_box; | 79 m_Box = new_box; |
82 return; | 80 return; |
83 } | 81 } |
84 CFX_DIBitmapRef new_mask; | 82 CFX_DIBitmapRef new_mask; |
85 CFX_DIBitmap* new_dib = new_mask.New(); | 83 CFX_DIBitmap* new_dib = new_mask.Emplace(); |
86 if (!new_dib) | |
87 return; | |
88 new_dib->Create(new_box.Width(), new_box.Height(), FXDIB_8bppMask); | 84 new_dib->Create(new_box.Width(), new_box.Height(), FXDIB_8bppMask); |
89 const CFX_DIBitmap* old_dib = m_Mask.GetObject(); | 85 const CFX_DIBitmap* old_dib = m_Mask.GetObject(); |
90 for (int row = new_box.top; row < new_box.bottom; row++) { | 86 for (int row = new_box.top; row < new_box.bottom; row++) { |
91 uint8_t* old_scan = | 87 uint8_t* old_scan = |
92 old_dib->GetBuffer() + (row - m_Box.top) * old_dib->GetPitch(); | 88 old_dib->GetBuffer() + (row - m_Box.top) * old_dib->GetPitch(); |
93 uint8_t* mask_scan = | 89 uint8_t* mask_scan = |
94 mask_dib->GetBuffer() + (row - top) * mask_dib->GetPitch(); | 90 mask_dib->GetBuffer() + (row - top) * mask_dib->GetPitch(); |
95 uint8_t* new_scan = | 91 uint8_t* new_scan = |
96 new_dib->GetBuffer() + (row - new_box.top) * new_dib->GetPitch(); | 92 new_dib->GetBuffer() + (row - new_box.top) * new_dib->GetPitch(); |
97 for (int col = new_box.left; col < new_box.right; col++) { | 93 for (int col = new_box.left; col < new_box.right; col++) { |
98 new_scan[col - new_box.left] = | 94 new_scan[col - new_box.left] = |
99 old_scan[col - m_Box.left] * mask_scan[col - left] / 255; | 95 old_scan[col - m_Box.left] * mask_scan[col - left] / 255; |
100 } | 96 } |
101 } | 97 } |
102 m_Box = new_box; | 98 m_Box = new_box; |
103 m_Mask = new_mask; | 99 m_Mask = new_mask; |
104 return; | 100 return; |
105 } | 101 } |
106 ASSERT(FALSE); | 102 ASSERT(FALSE); |
107 } | 103 } |
OLD | NEW |