diff options
Diffstat (limited to 'xfa/src/fxbarcode/BC_BufferedImageLuminanceSource.cpp')
| -rw-r--r-- | xfa/src/fxbarcode/BC_BufferedImageLuminanceSource.cpp | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/xfa/src/fxbarcode/BC_BufferedImageLuminanceSource.cpp b/xfa/src/fxbarcode/BC_BufferedImageLuminanceSource.cpp new file mode 100644 index 0000000000..d385c456de --- /dev/null +++ b/xfa/src/fxbarcode/BC_BufferedImageLuminanceSource.cpp @@ -0,0 +1,204 @@ +// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+// Original code is licensed as follows: +/*
+ * Copyright 2009 ZXing authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "barcode.h"
+#include "BC_LuminanceSource.h"
+#include "BC_BufferedImageLuminanceSource.h"
+class CBC_Pause : public IFX_Pause
+{
+public:
+ virtual FX_BOOL NeedToPauseNow()
+ {
+ return TRUE;
+ }
+};
+static CFX_DIBitmap* CreateDIBSource(IFX_FileRead* fileread)
+{
+ CFX_DIBitmap* bitmap = NULL;
+ CCodec_ModuleMgr* pCodecMgr = NULL;
+ ICodec_ProgressiveDecoder* pImageCodec = NULL;
+ pCodecMgr = CCodec_ModuleMgr::Create();
+ pImageCodec = pCodecMgr->CreateProgressiveDecoder();
+ FXCODEC_STATUS status = FXCODEC_STATUS_DECODE_FINISH;
+ status = pImageCodec->LoadImageInfo(fileread, FXCODEC_IMAGE_UNKNOWN);
+ if (status != FXCODEC_STATUS_FRAME_READY) {
+ return NULL;
+ }
+ bitmap = FX_NEW CFX_DIBitmap;
+ bitmap->Create(pImageCodec->GetWidth(), pImageCodec->GetHeight(), FXDIB_Argb);
+ bitmap->Clear(FXARGB_MAKE(0xFF, 0xFF, 0xFF, 0xFF));
+ CBC_Pause pause;
+ FX_INT32 frames;
+ status = pImageCodec->GetFrames(frames, &pause);
+ while (status == FXCODEC_STATUS_FRAME_TOBECONTINUE) {
+ status = pImageCodec->GetFrames(frames, &pause);
+ }
+ if (status != FXCODEC_STATUS_DECODE_READY) {
+ goto except;
+ }
+ status = pImageCodec->StartDecode(bitmap,
+ 0,
+ 0,
+ bitmap->GetWidth(),
+ bitmap->GetHeight(),
+ 0,
+ FALSE);
+ if (status == FXCODEC_STATUS_ERR_PARAMS) {
+ goto except;
+ }
+ if (status != FXCODEC_STATUS_DECODE_TOBECONTINUE) {
+ goto except;
+ }
+ while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) {
+ status = pImageCodec->ContinueDecode(&pause);
+ }
+ if (status != FXCODEC_STATUS_DECODE_FINISH) {
+ goto except;
+ }
+ if (pImageCodec) {
+ delete pImageCodec;
+ pImageCodec = NULL;
+ }
+ if (pCodecMgr) {
+ pCodecMgr->Destroy();
+ pCodecMgr = NULL;
+ }
+ return bitmap;
+except:
+ if (pImageCodec) {
+ delete pImageCodec;
+ pImageCodec = NULL;
+ }
+ if (pCodecMgr) {
+ pCodecMgr->Destroy();
+ pCodecMgr = NULL;
+ }
+ if (bitmap) {
+ delete bitmap;
+ }
+ return NULL;
+}
+CBC_BufferedImageLuminanceSource::CBC_BufferedImageLuminanceSource(const CFX_WideString &filename): CBC_LuminanceSource(0, 0), m_filename(filename)
+{
+ m_height = 0;
+ m_width = 0;
+ m_bytesPerLine = 0;
+ m_top = 0;
+ m_left = 0;
+}
+void CBC_BufferedImageLuminanceSource::Init(FX_INT32 &e)
+{
+ IFX_FileRead* fileread = FX_CreateFileRead(m_filename);
+ m_pBitmap = CreateDIBSource(fileread);
+ if (m_pBitmap == NULL) {
+ e = BCExceptionLoadFile;
+ return;
+ }
+ m_pBitmap->ConvertFormat(FXDIB_Argb);
+ m_height = m_pBitmap->GetHeight();
+ m_width = m_pBitmap->GetWidth();
+ m_rgbData.SetSize(m_height * m_width);
+ m_bytesPerLine = m_width * 4;
+ m_top = 0;
+ m_left = 0;
+}
+CBC_BufferedImageLuminanceSource::CBC_BufferedImageLuminanceSource(CFX_DIBitmap *pBitmap): CBC_LuminanceSource(0, 0)
+{
+ m_pBitmap = pBitmap->Clone();
+ m_pBitmap->ConvertFormat(FXDIB_Argb);
+ m_height = m_pBitmap->GetHeight();
+ m_width = m_pBitmap->GetWidth();
+ m_rgbData.SetSize(m_height * m_width);
+ m_bytesPerLine = m_width * 4;
+ m_top = 0;
+ m_left = 0;
+}
+CBC_BufferedImageLuminanceSource::~CBC_BufferedImageLuminanceSource()
+{
+ delete m_pBitmap;
+ m_pBitmap = NULL;
+}
+CFX_ByteArray *CBC_BufferedImageLuminanceSource::GetRow(FX_INT32 y, CFX_ByteArray &row, FX_INT32 &e)
+{
+ if (y < 0 || y >= m_height) {
+ e = BCExceptionRequestedRowIsOutSizeTheImage;
+ return NULL;
+ }
+ FX_INT32 width = m_width;
+ if(row.GetSize() == 0 || row.GetSize() < width) {
+ row.SetSize(width);
+ }
+ if(m_rgbData.GetSize() == 0 || m_rgbData.GetSize() < width) {
+ m_rgbData.SetSize(width);
+ }
+ FX_INT32* rowLine = (FX_INT32*)m_pBitmap->GetScanline(y);
+ FX_INT32 x;
+ for (x = 0; x < width; x++) {
+ FX_INT32 pixel = rowLine[x];
+ FX_INT32 luminance = (306 * ((pixel >> 16) & 0xFF) +
+ 601 * ((pixel >> 8) & 0xFF) +
+ 117 * (pixel & 0xFF)) >> 10;
+ row[x] = (FX_BYTE) luminance;
+ }
+ return &row;
+}
+CFX_ByteArray *CBC_BufferedImageLuminanceSource::GetMatrix()
+{
+ CFX_ByteArray *matirx = FX_NEW CFX_ByteArray();
+ matirx->SetSize(m_bytesPerLine * m_height);
+ FX_INT32 *rgb = (FX_INT32*)m_pBitmap->GetBuffer();
+ FX_INT32 y;
+ for(y = 0; y < m_height; y++) {
+ FX_INT32 offset = y * m_width;
+ FX_INT32 x;
+ for(x = 0; x < m_width; x++) {
+ FX_INT32 pixel = rgb[offset + x];
+ FX_INT32 luminance = (306 * ((pixel >> 16) & 0xFF) +
+ 601 * ((pixel >> 8) & 0xFF) +
+ 117 * (pixel & 0xFF)) >> 10;
+ (*matirx)[offset + x] = (FX_BYTE) luminance;
+ }
+ }
+ return matirx;
+}
+FX_BOOL CBC_BufferedImageLuminanceSource::IsCropSupported()
+{
+ return TRUE;
+}
+FX_BOOL CBC_BufferedImageLuminanceSource::IsRotateSupported()
+{
+ return TRUE;
+}
+CBC_LuminanceSource *CBC_BufferedImageLuminanceSource::Crop(FX_INT32 left, FX_INT32 top, FX_INT32 width, FX_INT32 height)
+{
+ return NULL;
+}
+CBC_LuminanceSource *CBC_BufferedImageLuminanceSource::RotateCounterClockwise(FX_INT32 &e)
+{
+ if (!IsRotateSupported()) {
+ e = BCExceptionRotateNotSupported;
+ return NULL;
+ }
+ FX_INT32 sourceWidth = m_width;
+ FX_INT32 sourceHeight = m_height;
+ return NULL;
+}
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