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Side by Side Diff: xfa/src/fxbarcode/BC_BufferedImageLuminanceSource.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 // Original code is licensed as follows:
7 /*
8 * Copyright 2009 ZXing authors
9 *
10 * Licensed under the Apache License, Version 2.0 (the "License");
11 * you may not use this file except in compliance with the License.
12 * You may obtain a copy of the License at
13 *
14 * http://www.apache.org/licenses/LICENSE-2.0
15 *
16 * Unless required by applicable law or agreed to in writing, software
17 * distributed under the License is distributed on an "AS IS" BASIS,
18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19 * See the License for the specific language governing permissions and
20 * limitations under the License.
21 */
22
23 #include "core/include/fxcodec/fx_codec.h"
24 #include "xfa/src/fxbarcode/BC_BufferedImageLuminanceSource.h"
25 #include "xfa/src/fxbarcode/BC_LuminanceSource.h"
26 #include "xfa/src/fxbarcode/utils.h"
27
28 class CBC_Pause : public IFX_Pause {
29 public:
30 virtual FX_BOOL NeedToPauseNow() { return TRUE; }
31 };
32 static CFX_DIBitmap* CreateDIBSource(IFX_FileRead* fileread) {
33 CFX_DIBitmap* bitmap = NULL;
34 CCodec_ModuleMgr* pCodecMgr = NULL;
35 ICodec_ProgressiveDecoder* pImageCodec = NULL;
36 pCodecMgr = new CCodec_ModuleMgr();
37 pImageCodec = pCodecMgr->CreateProgressiveDecoder();
38 FXCODEC_STATUS status = FXCODEC_STATUS_DECODE_FINISH;
39 status = pImageCodec->LoadImageInfo(fileread, FXCODEC_IMAGE_UNKNOWN, nullptr);
40 if (status != FXCODEC_STATUS_FRAME_READY) {
41 return NULL;
42 }
43 bitmap = new CFX_DIBitmap;
44 bitmap->Create(pImageCodec->GetWidth(), pImageCodec->GetHeight(), FXDIB_Argb);
45 bitmap->Clear(FXARGB_MAKE(0xFF, 0xFF, 0xFF, 0xFF));
46 CBC_Pause pause;
47 int32_t frames;
48 status = pImageCodec->GetFrames(frames, &pause);
49 while (status == FXCODEC_STATUS_FRAME_TOBECONTINUE) {
50 status = pImageCodec->GetFrames(frames, &pause);
51 }
52 if (status != FXCODEC_STATUS_DECODE_READY) {
53 goto except;
54 }
55 status = pImageCodec->StartDecode(bitmap, 0, 0, bitmap->GetWidth(),
56 bitmap->GetHeight(), 0, FALSE);
57 if (status == FXCODEC_STATUS_ERR_PARAMS) {
58 goto except;
59 }
60 if (status != FXCODEC_STATUS_DECODE_TOBECONTINUE) {
61 goto except;
62 }
63 while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) {
64 status = pImageCodec->ContinueDecode(&pause);
65 }
66 if (status != FXCODEC_STATUS_DECODE_FINISH) {
67 goto except;
68 }
69 if (pImageCodec) {
70 delete pImageCodec;
71 pImageCodec = NULL;
72 }
73 delete pCodecMgr;
74 pCodecMgr = NULL;
75 return bitmap;
76 except:
77 if (pImageCodec) {
78 delete pImageCodec;
79 pImageCodec = NULL;
80 }
81 delete pCodecMgr;
82 pCodecMgr = NULL;
83 if (bitmap) {
84 delete bitmap;
85 }
86 return NULL;
87 }
88 CBC_BufferedImageLuminanceSource::CBC_BufferedImageLuminanceSource(
89 const CFX_WideString& filename)
90 : CBC_LuminanceSource(0, 0), m_filename(filename) {
91 m_height = 0;
92 m_width = 0;
93 m_bytesPerLine = 0;
94 m_top = 0;
95 m_left = 0;
96 }
97 void CBC_BufferedImageLuminanceSource::Init(int32_t& e) {
98 IFX_FileRead* fileread = FX_CreateFileRead(m_filename);
99 m_pBitmap = CreateDIBSource(fileread);
100 if (m_pBitmap == NULL) {
101 e = BCExceptionLoadFile;
102 return;
103 }
104 m_pBitmap->ConvertFormat(FXDIB_Argb);
105 m_height = m_pBitmap->GetHeight();
106 m_width = m_pBitmap->GetWidth();
107 m_rgbData.SetSize(m_height * m_width);
108 m_bytesPerLine = m_width * 4;
109 m_top = 0;
110 m_left = 0;
111 }
112 CBC_BufferedImageLuminanceSource::CBC_BufferedImageLuminanceSource(
113 CFX_DIBitmap* pBitmap)
114 : CBC_LuminanceSource(0, 0) {
115 m_pBitmap = pBitmap->Clone();
116 m_pBitmap->ConvertFormat(FXDIB_Argb);
117 m_height = m_pBitmap->GetHeight();
118 m_width = m_pBitmap->GetWidth();
119 m_rgbData.SetSize(m_height * m_width);
120 m_bytesPerLine = m_width * 4;
121 m_top = 0;
122 m_left = 0;
123 }
124 CBC_BufferedImageLuminanceSource::~CBC_BufferedImageLuminanceSource() {
125 delete m_pBitmap;
126 m_pBitmap = NULL;
127 }
128 CFX_ByteArray* CBC_BufferedImageLuminanceSource::GetRow(int32_t y,
129 CFX_ByteArray& row,
130 int32_t& e) {
131 if (y < 0 || y >= m_height) {
132 e = BCExceptionRequestedRowIsOutSizeTheImage;
133 return NULL;
134 }
135 int32_t width = m_width;
136 if (row.GetSize() == 0 || row.GetSize() < width) {
137 row.SetSize(width);
138 }
139 if (m_rgbData.GetSize() == 0 || m_rgbData.GetSize() < width) {
140 m_rgbData.SetSize(width);
141 }
142 int32_t* rowLine = (int32_t*)m_pBitmap->GetScanline(y);
143 int32_t x;
144 for (x = 0; x < width; x++) {
145 int32_t pixel = rowLine[x];
146 int32_t luminance = (306 * ((pixel >> 16) & 0xFF) +
147 601 * ((pixel >> 8) & 0xFF) + 117 * (pixel & 0xFF)) >>
148 10;
149 row[x] = (uint8_t)luminance;
150 }
151 return &row;
152 }
153 CFX_ByteArray* CBC_BufferedImageLuminanceSource::GetMatrix() {
154 CFX_ByteArray* matirx = new CFX_ByteArray();
155 matirx->SetSize(m_bytesPerLine * m_height);
156 int32_t* rgb = (int32_t*)m_pBitmap->GetBuffer();
157 int32_t y;
158 for (y = 0; y < m_height; y++) {
159 int32_t offset = y * m_width;
160 int32_t x;
161 for (x = 0; x < m_width; x++) {
162 int32_t pixel = rgb[offset + x];
163 int32_t luminance =
164 (306 * ((pixel >> 16) & 0xFF) + 601 * ((pixel >> 8) & 0xFF) +
165 117 * (pixel & 0xFF)) >>
166 10;
167 (*matirx)[offset + x] = (uint8_t)luminance;
168 }
169 }
170 return matirx;
171 }
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