// 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 | |
#include "barcode.h" | |
#include "common/BC_CommonBitMatrix.h" | |
#include "BC_Writer.h" | |
#include "BC_TwoDimWriter.h" | |
CBC_TwoDimWriter::CBC_TwoDimWriter() | |
{ | |
m_iCorrectLevel = 1; | |
m_bFixedSize = TRUE; | |
m_output = NULL; | |
} | |
CBC_TwoDimWriter::~CBC_TwoDimWriter() | |
{ | |
if (m_output != NULL) { | |
delete m_output; | |
m_output = NULL; | |
} | |
} | |
void CBC_TwoDimWriter::RenderDeviceResult(CFX_RenderDevice* device, const CFX_Matrix* matrix) | |
{ | |
CFX_GraphStateData stateData; | |
CFX_PathData path; | |
path.AppendRect(0, 0, (FX_FLOAT)m_Width, (FX_FLOAT)m_Height); | |
device->DrawPath(&path, matrix, &stateData, m_backgroundColor, m_backgroundColor, FXFILL_ALTERNATE); | |
FX_INT32 leftPos = 0; | |
FX_INT32 topPos = 0; | |
if ( m_bFixedSize) { | |
leftPos = (m_Width - m_output->GetWidth()) / 2; | |
topPos = (m_Height - m_output->GetHeight()) / 2; | |
} | |
CFX_Matrix matri = *matrix; | |
if (m_Width < m_output->GetWidth() && m_Height < m_output->GetHeight()) { | |
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); | |
matriScale.Concat(*matrix); | |
matri = matriScale; | |
} | |
for (FX_INT32 x = 0; x < m_output->GetWidth(); x++) { | |
for (FX_INT32 y = 0; y < m_output->GetHeight(); y++) { | |
CFX_PathData rect; | |
rect.AppendRect((FX_FLOAT)leftPos + x, (FX_FLOAT)topPos + y, (FX_FLOAT)(leftPos + x + 1), (FX_FLOAT)(topPos + y + 1)); | |
CFX_GraphStateData stateData; | |
if(m_output->Get(x, y)) { | |
device->DrawPath(&rect, &matri, &stateData, m_barColor, 0, FXFILL_WINDING); | |
} | |
} | |
} | |
} | |
void CBC_TwoDimWriter::RenderBitmapResult(CFX_DIBitmap *&pOutBitmap, FX_INT32& e) | |
{ | |
if (m_bFixedSize) { | |
pOutBitmap = CreateDIBitmap(m_Width, m_Height); | |
} else { | |
pOutBitmap = CreateDIBitmap(m_output->GetWidth(), m_output->GetHeight()); | |
} | |
if (!pOutBitmap) { | |
e = BCExceptionFailToCreateBitmap; | |
return; | |
} | |
pOutBitmap->Clear(m_backgroundColor); | |
FX_INT32 leftPos = 0; | |
FX_INT32 topPos = 0; | |
if ( m_bFixedSize) { | |
leftPos = (m_Width - m_output->GetWidth()) / 2; | |
topPos = (m_Height - m_output->GetHeight()) / 2; | |
} | |
for (FX_INT32 x = 0; x < m_output->GetWidth(); x++) { | |
for (FX_INT32 y = 0; y < m_output->GetHeight(); y++) { | |
if (m_output->Get(x, y)) { | |
pOutBitmap->SetPixel(leftPos + x, topPos + y, m_barColor); | |
} | |
} | |
} | |
if (!m_bFixedSize) { | |
CFX_DIBitmap * pStretchBitmap = pOutBitmap->StretchTo(m_Width, m_Height); | |
if (pOutBitmap) { | |
delete pOutBitmap; | |
} | |
pOutBitmap = pStretchBitmap; | |
} | |
} | |
void CBC_TwoDimWriter::RenderResult(FX_BYTE *code, FX_INT32 codeWidth, FX_INT32 codeHeight, FX_INT32 &e) | |
{ | |
FX_INT32 inputWidth = codeWidth; | |
FX_INT32 inputHeight = codeHeight; | |
FX_INT32 tempWidth = inputWidth + (1 << 1); | |
FX_INT32 tempHeight = inputHeight + (1 << 1); | |
FX_FLOAT moduleHSize = (FX_FLOAT)FX_MIN(m_ModuleWidth, m_ModuleHeight); | |
if (moduleHSize > 8) { | |
moduleHSize = 8; | |
} else if (moduleHSize < 1) { | |
moduleHSize = 1; | |
} | |
FX_INT32 outputWidth = (FX_INT32)FX_MAX(tempWidth * moduleHSize, tempWidth); | |
FX_INT32 outputHeight = (FX_INT32)FX_MAX(tempHeight * moduleHSize, tempHeight); | |
FX_INT32 multiX = 1; | |
FX_INT32 multiY = 1; | |
if (m_bFixedSize) { | |
if (m_Width < outputWidth || m_Height < outputHeight) { | |
e = BCExceptionBitmapSizeError; | |
return; | |
} | |
} else { | |
if (m_Width > outputWidth || m_Height > outputHeight) { | |
outputWidth = (FX_INT32)(outputWidth * ceil ( (FX_FLOAT)m_Width / (FX_FLOAT)outputWidth)); | |
outputHeight = (FX_INT32)(outputHeight * ceil ( (FX_FLOAT)m_Height / (FX_FLOAT)outputHeight)); | |
} | |
} | |
multiX = (FX_INT32)ceil((FX_FLOAT)outputWidth / (FX_FLOAT)tempWidth); | |
multiY = (FX_INT32)ceil((FX_FLOAT)outputHeight / (FX_FLOAT) tempHeight); | |
if (m_bFixedSize) { | |
multiX = FX_MIN(multiX, multiY); | |
multiY = multiX; | |
} | |
FX_INT32 leftPadding = (outputWidth - (inputWidth * multiX)) / 2; | |
FX_INT32 topPadding = (outputHeight - (inputHeight * multiY)) / 2; | |
if (leftPadding < 0) { | |
leftPadding = 0; | |
} | |
if (topPadding < 0) { | |
topPadding = 0; | |
} | |
m_output = FX_NEW CBC_CommonBitMatrix; | |
m_output->Init(outputWidth, outputHeight); | |
for (FX_INT32 inputY = 0, outputY = topPadding; (inputY < inputHeight) && (outputY < outputHeight - multiY); inputY++, outputY += multiY) { | |
for (FX_INT32 inputX = 0, outputX = leftPadding; (inputX < inputWidth) && (outputX < outputWidth - multiX); inputX++, outputX += multiX) { | |
if (code[inputX + inputY * inputWidth] == 1) { | |
m_output->SetRegion(outputX, outputY, multiX, multiY, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
} | |
} | |
} |