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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 "barcode.h" | |
8 #include "include/BC_Writer.h" | |
9 #include "include/BC_CommonBitMatrix.h" | |
10 #include "include/BC_TwoDimWriter.h" | |
11 CBC_TwoDimWriter::CBC_TwoDimWriter() | |
12 { | |
13 m_iCorrectLevel = 1; | |
14 m_bFixedSize = TRUE; | |
15 m_output = NULL; | |
16 } | |
17 CBC_TwoDimWriter::~CBC_TwoDimWriter() | |
18 { | |
19 if (m_output != NULL) { | |
20 delete m_output; | |
21 m_output = NULL; | |
22 } | |
23 } | |
24 void CBC_TwoDimWriter::RenderDeviceResult(CFX_RenderDevice* device, const CFX_Ma
trix* matrix) | |
25 { | |
26 CFX_GraphStateData stateData; | |
27 CFX_PathData path; | |
28 path.AppendRect(0, 0, (FX_FLOAT)m_Width, (FX_FLOAT)m_Height); | |
29 device->DrawPath(&path, matrix, &stateData, m_backgroundColor, m_backgroundC
olor, FXFILL_ALTERNATE); | |
30 FX_INT32 leftPos = 0; | |
31 FX_INT32 topPos = 0; | |
32 if ( m_bFixedSize) { | |
33 leftPos = (m_Width - m_output->GetWidth()) / 2; | |
34 topPos = (m_Height - m_output->GetHeight()) / 2; | |
35 } | |
36 CFX_Matrix matri = *matrix; | |
37 if (m_Width < m_output->GetWidth() && m_Height < m_output->GetHeight()) { | |
38 CFX_Matrix matriScale((FX_FLOAT)m_Width / (FX_FLOAT)m_output->GetWidth()
, 0.0, 0.0, (FX_FLOAT)m_Height / (FX_FLOAT)m_output->GetHeight(), 0.0, 0.0); | |
39 matriScale.Concat(*matrix); | |
40 matri = matriScale; | |
41 } | |
42 for (FX_INT32 x = 0; x < m_output->GetWidth(); x++) { | |
43 for (FX_INT32 y = 0; y < m_output->GetHeight(); y++) { | |
44 CFX_PathData rect; | |
45 rect.AppendRect((FX_FLOAT)leftPos + x, (FX_FLOAT)topPos + y, (FX_FLO
AT)(leftPos + x + 1), (FX_FLOAT)(topPos + y + 1)); | |
46 CFX_GraphStateData stateData; | |
47 if(m_output->Get(x, y)) { | |
48 device->DrawPath(&rect, &matri, &stateData, m_barColor, 0, FXFIL
L_WINDING); | |
49 } | |
50 } | |
51 } | |
52 } | |
53 void CBC_TwoDimWriter::RenderBitmapResult(CFX_DIBitmap *&pOutBitmap, FX_INT32& e
) | |
54 { | |
55 if (m_bFixedSize) { | |
56 pOutBitmap = CreateDIBitmap(m_Width, m_Height); | |
57 } else { | |
58 pOutBitmap = CreateDIBitmap(m_output->GetWidth(), m_output->GetHeight())
; | |
59 } | |
60 if (!pOutBitmap) { | |
61 e = BCExceptionFailToCreateBitmap; | |
62 return; | |
63 } | |
64 pOutBitmap->Clear(m_backgroundColor); | |
65 FX_INT32 leftPos = 0; | |
66 FX_INT32 topPos = 0; | |
67 if ( m_bFixedSize) { | |
68 leftPos = (m_Width - m_output->GetWidth()) / 2; | |
69 topPos = (m_Height - m_output->GetHeight()) / 2; | |
70 } | |
71 for (FX_INT32 x = 0; x < m_output->GetWidth(); x++) { | |
72 for (FX_INT32 y = 0; y < m_output->GetHeight(); y++) { | |
73 if (m_output->Get(x, y)) { | |
74 pOutBitmap->SetPixel(leftPos + x, topPos + y, m_barColor); | |
75 } | |
76 } | |
77 } | |
78 if (!m_bFixedSize) { | |
79 CFX_DIBitmap * pStretchBitmap = pOutBitmap->StretchTo(m_Width, m_Height)
; | |
80 if (pOutBitmap) { | |
81 delete pOutBitmap; | |
82 } | |
83 pOutBitmap = pStretchBitmap; | |
84 } | |
85 } | |
86 void CBC_TwoDimWriter::RenderResult(FX_BYTE *code, FX_INT32 codeWidth, FX_INT32
codeHeight, FX_INT32 &e) | |
87 { | |
88 FX_INT32 inputWidth = codeWidth; | |
89 FX_INT32 inputHeight = codeHeight; | |
90 FX_INT32 tempWidth = inputWidth + (1 << 1); | |
91 FX_INT32 tempHeight = inputHeight + (1 << 1); | |
92 FX_FLOAT moduleHSize = (FX_FLOAT)FX_MIN(m_ModuleWidth, m_ModuleHeight); | |
93 if (moduleHSize > 8) { | |
94 moduleHSize = 8; | |
95 } else if (moduleHSize < 1) { | |
96 moduleHSize = 1; | |
97 } | |
98 FX_INT32 outputWidth = (FX_INT32)FX_MAX(tempWidth * moduleHSize, tempWidth); | |
99 FX_INT32 outputHeight = (FX_INT32)FX_MAX(tempHeight * moduleHSize, tempHeigh
t); | |
100 FX_INT32 multiX = 1; | |
101 FX_INT32 multiY = 1; | |
102 if (m_bFixedSize) { | |
103 if (m_Width < outputWidth || m_Height < outputHeight) { | |
104 e = BCExceptionBitmapSizeError; | |
105 return; | |
106 } | |
107 } else { | |
108 if (m_Width > outputWidth || m_Height > outputHeight) { | |
109 outputWidth = (FX_INT32)(outputWidth * ceil ( (FX_FLOAT)m_Width / (F
X_FLOAT)outputWidth)); | |
110 outputHeight = (FX_INT32)(outputHeight * ceil ( (FX_FLOAT)m_Height /
(FX_FLOAT)outputHeight)); | |
111 } | |
112 } | |
113 multiX = (FX_INT32)ceil((FX_FLOAT)outputWidth / (FX_FLOAT)tempWidth); | |
114 multiY = (FX_INT32)ceil((FX_FLOAT)outputHeight / (FX_FLOAT) tempHeight); | |
115 if (m_bFixedSize) { | |
116 multiX = FX_MIN(multiX, multiY); | |
117 multiY = multiX; | |
118 } | |
119 FX_INT32 leftPadding = (outputWidth - (inputWidth * multiX)) / 2; | |
120 FX_INT32 topPadding = (outputHeight - (inputHeight * multiY)) / 2; | |
121 if (leftPadding < 0) { | |
122 leftPadding = 0; | |
123 } | |
124 if (topPadding < 0) { | |
125 topPadding = 0; | |
126 } | |
127 m_output = FX_NEW CBC_CommonBitMatrix; | |
128 m_output->Init(outputWidth, outputHeight); | |
129 for (FX_INT32 inputY = 0, outputY = topPadding; (inputY < inputHeight) && (o
utputY < outputHeight - multiY); inputY++, outputY += multiY) { | |
130 for (FX_INT32 inputX = 0, outputX = leftPadding; (inputX < inputWidth) &
& (outputX < outputWidth - multiX); inputX++, outputX += multiX) { | |
131 if (code[inputX + inputY * inputWidth] == 1) { | |
132 m_output->SetRegion(outputX, outputY, multiX, multiY, e); | |
133 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
134 } | |
135 } | |
136 } | |
137 } | |
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