// 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 <algorithm> | |
#include "third_party/base/numerics/safe_math.h" | |
#include "xfa/src/fxbarcode/barcode.h" | |
#include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h" | |
#include "xfa/src/fxbarcode/BC_Writer.h" | |
#include "xfa/src/fxbarcode/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); | |
int32_t leftPos = 0; | |
int32_t 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 (int32_t x = 0; x < m_output->GetWidth(); x++) { | |
for (int32_t 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, | |
int32_t& 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); | |
int32_t leftPos = 0; | |
int32_t topPos = 0; | |
if (m_bFixedSize) { | |
leftPos = (m_Width - m_output->GetWidth()) / 2; | |
topPos = (m_Height - m_output->GetHeight()) / 2; | |
} | |
for (int32_t x = 0; x < m_output->GetWidth(); x++) { | |
for (int32_t 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(uint8_t* code, | |
int32_t codeWidth, | |
int32_t codeHeight, | |
int32_t& e) { | |
int32_t inputWidth = codeWidth; | |
int32_t inputHeight = codeHeight; | |
int32_t tempWidth = inputWidth + 2; | |
int32_t tempHeight = inputHeight + 2; | |
FX_FLOAT moduleHSize = std::min(m_ModuleWidth, m_ModuleHeight); | |
moduleHSize = std::min(moduleHSize, 8.0f); | |
moduleHSize = std::max(moduleHSize, 1.0f); | |
pdfium::base::CheckedNumeric<int32_t> scaledWidth = tempWidth; | |
pdfium::base::CheckedNumeric<int32_t> scaledHeight = tempHeight; | |
scaledWidth *= moduleHSize; | |
scaledHeight *= moduleHSize; | |
int32_t outputWidth = scaledWidth.ValueOrDie(); | |
int32_t outputHeight = scaledHeight.ValueOrDie(); | |
if (m_bFixedSize) { | |
if (m_Width < outputWidth || m_Height < outputHeight) { | |
e = BCExceptionBitmapSizeError; | |
return; | |
} | |
} else { | |
if (m_Width > outputWidth || m_Height > outputHeight) { | |
outputWidth = (int32_t)(outputWidth * | |
ceil((FX_FLOAT)m_Width / (FX_FLOAT)outputWidth)); | |
outputHeight = (int32_t)( | |
outputHeight * ceil((FX_FLOAT)m_Height / (FX_FLOAT)outputHeight)); | |
} | |
} | |
int32_t multiX = (int32_t)ceil((FX_FLOAT)outputWidth / (FX_FLOAT)tempWidth); | |
int32_t multiY = (int32_t)ceil((FX_FLOAT)outputHeight / (FX_FLOAT)tempHeight); | |
if (m_bFixedSize) { | |
multiX = std::min(multiX, multiY); | |
multiY = multiX; | |
} | |
int32_t leftPadding = (outputWidth - (inputWidth * multiX)) / 2; | |
int32_t topPadding = (outputHeight - (inputHeight * multiY)) / 2; | |
if (leftPadding < 0) { | |
leftPadding = 0; | |
} | |
if (topPadding < 0) { | |
topPadding = 0; | |
} | |
m_output = new CBC_CommonBitMatrix; | |
m_output->Init(outputWidth, outputHeight); | |
for (int32_t inputY = 0, outputY = topPadding; | |
(inputY < inputHeight) && (outputY < outputHeight - multiY); | |
inputY++, outputY += multiY) { | |
for (int32_t 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); | |
} | |
} | |
} | |
} |