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// 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);
}
}
}
}
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