// 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 2011 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 "BC_OneDimWriter.h" | |
#include <algorithm> | |
#include <memory> | |
#include "xfa/src/fxbarcode/BC_Writer.h" | |
#include "xfa/src/fxbarcode/barcode.h" | |
#include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h" | |
CBC_OneDimWriter::CBC_OneDimWriter() { | |
m_locTextLoc = BC_TEXT_LOC_BELOWEMBED; | |
m_bPrintChecksum = TRUE; | |
m_iDataLenth = 0; | |
m_bCalcChecksum = FALSE; | |
m_pFont = NULL; | |
m_fFontSize = 10; | |
; | |
m_iFontStyle = 0; | |
m_fontColor = 0xff000000; | |
m_iContentLen = 0; | |
m_bLeftPadding = FALSE; | |
m_bRightPadding = FALSE; | |
m_output = NULL; | |
} | |
CBC_OneDimWriter::~CBC_OneDimWriter() { | |
if (m_output != NULL) { | |
delete m_output; | |
m_output = NULL; | |
} | |
} | |
void CBC_OneDimWriter::SetPrintChecksum(FX_BOOL checksum) { | |
m_bPrintChecksum = checksum; | |
} | |
void CBC_OneDimWriter::SetDataLength(int32_t length) { | |
m_iDataLenth = length; | |
} | |
void CBC_OneDimWriter::SetCalcChecksum(int32_t state) { | |
m_bCalcChecksum = state; | |
} | |
FX_BOOL CBC_OneDimWriter::SetFont(CFX_Font* cFont) { | |
if (cFont == NULL) { | |
return FALSE; | |
} | |
m_pFont = cFont; | |
return TRUE; | |
} | |
void CBC_OneDimWriter::SetFontSize(FX_FLOAT size) { | |
m_fFontSize = size; | |
} | |
void CBC_OneDimWriter::SetFontStyle(int32_t style) { | |
m_iFontStyle = style; | |
} | |
void CBC_OneDimWriter::SetFontColor(FX_ARGB color) { | |
m_fontColor = color; | |
} | |
FX_WCHAR CBC_OneDimWriter::Upper(FX_WCHAR ch) { | |
if (ch >= 'a' && ch <= 'z') { | |
ch = ch - ('a' - 'A'); | |
} | |
return ch; | |
} | |
uint8_t* CBC_OneDimWriter::Encode(const CFX_ByteString& contents, | |
BCFORMAT format, | |
int32_t& outWidth, | |
int32_t& outHeight, | |
int32_t hints, | |
int32_t& e) { | |
uint8_t* ret = NULL; | |
outHeight = 1; | |
if (m_Width >= 20) { | |
ret = Encode(contents, outWidth, e); | |
} else { | |
ret = Encode(contents, outWidth, e); | |
} | |
BC_EXCEPTION_CHECK_ReturnValue(e, NULL); | |
return ret; | |
} | |
uint8_t* CBC_OneDimWriter::Encode(const CFX_ByteString& contents, | |
BCFORMAT format, | |
int32_t& outWidth, | |
int32_t& outHeight, | |
int32_t& e) { | |
uint8_t* ret = Encode(contents, format, outWidth, outHeight, 0, e); | |
BC_EXCEPTION_CHECK_ReturnValue(e, NULL); | |
return ret; | |
} | |
int32_t CBC_OneDimWriter::AppendPattern(uint8_t* target, | |
int32_t pos, | |
const int32_t* pattern, | |
int32_t patternLength, | |
int32_t startColor, | |
int32_t& e) { | |
if (startColor != 0 && startColor != 1) { | |
e = BCExceptionValueMustBeEither0or1; | |
return 0; | |
} | |
uint8_t color = (uint8_t)startColor; | |
int32_t numAdded = 0; | |
for (int32_t i = 0; i < patternLength; i++) { | |
for (int32_t j = 0; j < pattern[i]; j++) { | |
target[pos] = color; | |
pos += 1; | |
numAdded += 1; | |
} | |
color ^= 1; | |
} | |
return numAdded; | |
} | |
void CBC_OneDimWriter::CalcTextInfo(const CFX_ByteString& text, | |
FXTEXT_CHARPOS* charPos, | |
CFX_Font* cFont, | |
FX_FLOAT geWidth, | |
int32_t fontSize, | |
FX_FLOAT& charsLen) { | |
std::unique_ptr<CFX_UnicodeEncodingEx> encoding( | |
FX_CreateFontEncodingEx(cFont)); | |
int32_t length = text.GetLength(); | |
FX_DWORD* pCharCode = FX_Alloc(FX_DWORD, text.GetLength()); | |
FX_FLOAT charWidth = 0; | |
for (int32_t j = 0; j < text.GetLength(); j++) { | |
pCharCode[j] = encoding->CharCodeFromUnicode(text[j]); | |
int32_t glyp_code = encoding->GlyphFromCharCode(pCharCode[j]); | |
int32_t glyp_value = cFont->GetGlyphWidth(glyp_code); | |
FX_FLOAT temp = (FX_FLOAT)((glyp_value)*fontSize / 1000.0); | |
charWidth += temp; | |
} | |
charsLen = charWidth; | |
FX_FLOAT leftPositon = (FX_FLOAT)(geWidth - charsLen) / 2.0f; | |
if (leftPositon < 0 && geWidth == 0) { | |
leftPositon = 0; | |
} | |
FX_FLOAT penX = 0.0; | |
FX_FLOAT penY = | |
(FX_FLOAT)FXSYS_abs(cFont->GetDescent()) * (FX_FLOAT)fontSize / 1000.0f; | |
FX_FLOAT left = leftPositon; | |
FX_FLOAT top = 0.0; | |
charPos[0].m_OriginX = penX + left; | |
charPos[0].m_OriginY = penY + top; | |
charPos[0].m_GlyphIndex = encoding->GlyphFromCharCode(pCharCode[0]); | |
charPos[0].m_FontCharWidth = cFont->GetGlyphWidth(charPos[0].m_GlyphIndex); | |
#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ | |
charPos[0].m_ExtGID = charPos[0].m_GlyphIndex; | |
#endif | |
penX += (FX_FLOAT)(charPos[0].m_FontCharWidth) * (FX_FLOAT)fontSize / 1000.0f; | |
for (int32_t i = 1; i < length; i++) { | |
charPos[i].m_OriginX = penX + left; | |
charPos[i].m_OriginY = penY + top; | |
charPos[i].m_GlyphIndex = encoding->GlyphFromCharCode(pCharCode[i]); | |
charPos[i].m_FontCharWidth = cFont->GetGlyphWidth(charPos[i].m_GlyphIndex); | |
#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ | |
charPos[i].m_ExtGID = charPos[i].m_GlyphIndex; | |
#endif | |
penX += | |
(FX_FLOAT)(charPos[i].m_FontCharWidth) * (FX_FLOAT)fontSize / 1000.0f; | |
} | |
FX_Free(pCharCode); | |
} | |
void CBC_OneDimWriter::ShowDeviceChars(CFX_RenderDevice* device, | |
const CFX_Matrix* matrix, | |
const CFX_ByteString str, | |
FX_FLOAT geWidth, | |
FXTEXT_CHARPOS* pCharPos, | |
FX_FLOAT locX, | |
FX_FLOAT locY, | |
int32_t barWidth) { | |
int32_t iFontSize = (int32_t)fabs(m_fFontSize); | |
int32_t iTextHeight = iFontSize + 1; | |
CFX_FloatRect rect((FX_FLOAT)locX, (FX_FLOAT)locY, (FX_FLOAT)(locX + geWidth), | |
(FX_FLOAT)(locY + iTextHeight)); | |
if (geWidth != m_Width) { | |
rect.right -= 1; | |
} | |
matrix->TransformRect(rect); | |
FX_RECT re = rect.GetOutterRect(); | |
device->FillRect(&re, m_backgroundColor); | |
CFX_Matrix affine_matrix(1.0, 0.0, 0.0, -1.0, (FX_FLOAT)locX, | |
(FX_FLOAT)(locY + iFontSize)); | |
if (matrix != NULL) { | |
affine_matrix.Concat(*matrix); | |
} | |
device->DrawNormalText(str.GetLength(), pCharPos, m_pFont, | |
CFX_GEModule::Get()->GetFontCache(), | |
(FX_FLOAT)iFontSize, (CFX_Matrix*)&affine_matrix, | |
m_fontColor, FXTEXT_CLEARTYPE); | |
} | |
void CBC_OneDimWriter::ShowBitmapChars(CFX_DIBitmap* pOutBitmap, | |
const CFX_ByteString str, | |
FX_FLOAT geWidth, | |
FXTEXT_CHARPOS* pCharPos, | |
FX_FLOAT locX, | |
FX_FLOAT locY, | |
int32_t barWidth) { | |
int32_t iFontSize = (int32_t)fabs(m_fFontSize); | |
int32_t iTextHeight = iFontSize + 1; | |
CFX_FxgeDevice ge; | |
ge.Create((int)geWidth, iTextHeight, m_colorSpace); | |
FX_RECT geRect(0, 0, (int)geWidth, iTextHeight); | |
ge.FillRect(&geRect, m_backgroundColor); | |
CFX_Matrix affine_matrix(1.0, 0.0, 0.0, -1.0, 0.0, (FX_FLOAT)iFontSize); | |
ge.DrawNormalText(str.GetLength(), pCharPos, m_pFont, | |
CFX_GEModule::Get()->GetFontCache(), (FX_FLOAT)iFontSize, | |
(CFX_Matrix*)&affine_matrix, m_fontColor, FXTEXT_CLEARTYPE); | |
CFX_FxgeDevice geBitmap; | |
geBitmap.Attach(pOutBitmap); | |
geBitmap.SetDIBits(ge.GetBitmap(), (int)locX, (int)locY); | |
} | |
void CBC_OneDimWriter::ShowChars(const CFX_WideStringC& contents, | |
CFX_DIBitmap* pOutBitmap, | |
CFX_RenderDevice* device, | |
const CFX_Matrix* matrix, | |
int32_t barWidth, | |
int32_t multiple, | |
int32_t& e) { | |
if (device == NULL && pOutBitmap == NULL) { | |
e = BCExceptionIllegalArgument; | |
return; | |
} | |
if (m_pFont == NULL) { | |
e = BCExceptionNullPointer; | |
return; | |
} | |
CFX_ByteString str = FX_UTF8Encode(contents); | |
int32_t iLen = str.GetLength(); | |
FXTEXT_CHARPOS* pCharPos = FX_Alloc(FXTEXT_CHARPOS, iLen); | |
FXSYS_memset(pCharPos, 0, sizeof(FXTEXT_CHARPOS) * iLen); | |
FX_FLOAT charsLen = 0; | |
FX_FLOAT geWidth = 0; | |
if (m_locTextLoc == BC_TEXT_LOC_ABOVEEMBED || | |
m_locTextLoc == BC_TEXT_LOC_BELOWEMBED) { | |
geWidth = 0; | |
} else if (m_locTextLoc == BC_TEXT_LOC_ABOVE || | |
m_locTextLoc == BC_TEXT_LOC_BELOW) { | |
geWidth = (FX_FLOAT)barWidth; | |
} | |
int32_t iFontSize = (int32_t)fabs(m_fFontSize); | |
int32_t iTextHeight = iFontSize + 1; | |
CalcTextInfo(str, pCharPos, m_pFont, geWidth, iFontSize, charsLen); | |
if (charsLen < 1) { | |
return; | |
} | |
int32_t locX = 0; | |
int32_t locY = 0; | |
switch (m_locTextLoc) { | |
case BC_TEXT_LOC_ABOVEEMBED: | |
locX = (int32_t)(barWidth - charsLen) / 2; | |
locY = 0; | |
geWidth = charsLen; | |
break; | |
case BC_TEXT_LOC_ABOVE: | |
locX = 0; | |
locY = 0; | |
geWidth = (FX_FLOAT)barWidth; | |
break; | |
case BC_TEXT_LOC_BELOWEMBED: | |
locX = (int32_t)(barWidth - charsLen) / 2; | |
locY = m_Height - iTextHeight; | |
geWidth = charsLen; | |
break; | |
case BC_TEXT_LOC_BELOW: | |
default: | |
locX = 0; | |
locY = m_Height - iTextHeight; | |
geWidth = (FX_FLOAT)barWidth; | |
break; | |
} | |
if (device != NULL) { | |
ShowDeviceChars(device, matrix, str, geWidth, pCharPos, (FX_FLOAT)locX, | |
(FX_FLOAT)locY, barWidth); | |
} else { | |
ShowBitmapChars(pOutBitmap, str, geWidth, pCharPos, (FX_FLOAT)locX, | |
(FX_FLOAT)locY, barWidth); | |
} | |
FX_Free(pCharPos); | |
} | |
void CBC_OneDimWriter::RenderBitmapResult(CFX_DIBitmap*& pOutBitmap, | |
const CFX_WideStringC& contents, | |
int32_t& e) { | |
if (m_output == NULL) { | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
pOutBitmap = CreateDIBitmap(m_output->GetWidth(), m_output->GetHeight()); | |
pOutBitmap->Clear(m_backgroundColor); | |
if (!pOutBitmap) { | |
e = BCExceptionFailToCreateBitmap; | |
return; | |
} | |
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(x, y, m_barColor); | |
} | |
} | |
} | |
int32_t i = 0; | |
for (; i < contents.GetLength(); i++) | |
if (contents.GetAt(i) != ' ') { | |
break; | |
} | |
if (m_locTextLoc != BC_TEXT_LOC_NONE && i < contents.GetLength()) { | |
ShowChars(contents, pOutBitmap, NULL, NULL, m_barWidth, m_multiple, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
CFX_DIBitmap* pStretchBitmap = pOutBitmap->StretchTo(m_Width, m_Height); | |
if (pOutBitmap) { | |
delete pOutBitmap; | |
} | |
pOutBitmap = pStretchBitmap; | |
} | |
void CBC_OneDimWriter::RenderDeviceResult(CFX_RenderDevice* device, | |
const CFX_Matrix* matrix, | |
const CFX_WideStringC& contents, | |
int32_t& e) { | |
if (m_output == NULL) { | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
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); | |
CFX_Matrix matri(m_outputHScale, 0.0, 0.0, (FX_FLOAT)m_Height, 0.0, 0.0); | |
matri.Concat(*matrix); | |
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)x, (FX_FLOAT)y, (FX_FLOAT)(x + 1), | |
(FX_FLOAT)(y + 1)); | |
CFX_GraphStateData stateData; | |
if (m_output->Get(x, y)) { | |
device->DrawPath(&rect, &matri, &stateData, m_barColor, 0, | |
FXFILL_WINDING); | |
} | |
} | |
} | |
int32_t i = 0; | |
for (; i < contents.GetLength(); i++) | |
if (contents.GetAt(i) != ' ') { | |
break; | |
} | |
if (m_locTextLoc != BC_TEXT_LOC_NONE && i < contents.GetLength()) { | |
ShowChars(contents, NULL, device, matrix, m_barWidth, m_multiple, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
} | |
void CBC_OneDimWriter::RenderResult(const CFX_WideStringC& contents, | |
uint8_t* code, | |
int32_t codeLength, | |
FX_BOOL isDevice, | |
int32_t& e) { | |
if (codeLength < 1) { | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
if (m_ModuleHeight < 20.0) { | |
m_ModuleHeight = 20; | |
} | |
int32_t codeOldLength = codeLength; | |
int32_t leftPadding = 0; | |
int32_t rightPadding = 0; | |
if (m_bLeftPadding) { | |
leftPadding = 7; | |
} | |
if (m_bRightPadding) { | |
rightPadding = 7; | |
} | |
codeLength += leftPadding; | |
codeLength += rightPadding; | |
m_outputHScale = 1.0; | |
if (m_Width > 0) { | |
m_outputHScale = (FX_FLOAT)m_Width / (FX_FLOAT)codeLength; | |
} | |
if (!isDevice) { | |
m_outputHScale = | |
std::max(m_outputHScale, static_cast<FX_FLOAT>(m_ModuleWidth)); | |
} | |
FX_FLOAT dataLengthScale = 1.0; | |
if (m_iDataLenth > 0 && contents.GetLength() != 0) { | |
dataLengthScale = FX_FLOAT(contents.GetLength()) / FX_FLOAT(m_iDataLenth); | |
} | |
if (m_iDataLenth > 0 && contents.GetLength() == 0) { | |
dataLengthScale = FX_FLOAT(1) / FX_FLOAT(m_iDataLenth); | |
} | |
m_multiple = 1; | |
if (!isDevice) { | |
m_multiple = (int32_t)ceil(m_outputHScale * dataLengthScale); | |
} | |
int32_t outputHeight = 1; | |
if (!isDevice) { | |
if (m_Height == 0) { | |
outputHeight = std::max(20, m_ModuleHeight); | |
} else { | |
outputHeight = m_Height; | |
} | |
} | |
int32_t outputWidth = codeLength; | |
if (!isDevice) { | |
outputWidth = (int32_t)(codeLength * m_multiple / dataLengthScale); | |
} | |
m_barWidth = m_Width; | |
if (!isDevice) { | |
m_barWidth = codeLength * m_multiple; | |
} | |
m_output = new CBC_CommonBitMatrix; | |
m_output->Init(outputWidth, outputHeight); | |
int32_t outputX = leftPadding * m_multiple; | |
for (int32_t inputX = 0; inputX < codeOldLength; inputX++) { | |
if (code[inputX] == 1) { | |
if (outputX >= outputWidth) { | |
break; | |
} | |
if (outputX + m_multiple > outputWidth && outputWidth - outputX > 0) { | |
m_output->SetRegion(outputX, 0, outputWidth - outputX, outputHeight, e); | |
break; | |
} | |
m_output->SetRegion(outputX, 0, m_multiple, outputHeight, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
outputX += m_multiple; | |
} | |
} |