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PL286/external/pdfium/xfa/fxbarcode/oned/BC_OneDimWriter.cpp

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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
// 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 "xfa/fxbarcode/oned/BC_OneDimWriter.h"
#include <algorithm>
#include <memory>
#include "core/fxge/cfx_fxgedevice.h"
#include "core/fxge/cfx_gemodule.h"
#include "core/fxge/cfx_graphstatedata.h"
#include "core/fxge/cfx_pathdata.h"
#include "core/fxge/cfx_renderdevice.h"
#include "core/fxge/cfx_unicodeencodingex.h"
#include "third_party/base/ptr_util.h"
#include "xfa/fxbarcode/BC_Writer.h"
#include "xfa/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 = nullptr;
m_fFontSize = 10;
m_iFontStyle = 0;
m_fontColor = 0xff000000;
m_iContentLen = 0;
m_bLeftPadding = false;
m_bRightPadding = false;
}
CBC_OneDimWriter::~CBC_OneDimWriter() {}
void CBC_OneDimWriter::SetPrintChecksum(bool checksum) {
m_bPrintChecksum = checksum;
}
void CBC_OneDimWriter::SetDataLength(int32_t length) {
m_iDataLenth = length;
}
void CBC_OneDimWriter::SetCalcChecksum(bool state) {
m_bCalcChecksum = state;
}
bool CBC_OneDimWriter::SetFont(CFX_Font* cFont) {
if (!cFont)
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 = nullptr;
outHeight = 1;
if (m_Width >= 20) {
ret = Encode(contents, outWidth, e);
} else {
ret = Encode(contents, outWidth, e);
}
if (e != BCExceptionNO)
return nullptr;
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);
if (e != BCExceptionNO)
return nullptr;
return ret;
}
uint8_t* CBC_OneDimWriter::Encode(const CFX_ByteString& contents,
int32_t& outLength,
int32_t& e) {
return nullptr;
}
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();
uint32_t* pCharCode = FX_Alloc(uint32_t, 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_Origin = CFX_PointF(penX + left, 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_Origin = CFX_PointF(penX + left, 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.GetOuterRect();
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) {
affine_matrix.Concat(*matrix);
}
device->DrawNormalText(str.GetLength(), pCharPos, m_pFont,
static_cast<FX_FLOAT>(iFontSize), &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, nullptr);
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,
static_cast<FX_FLOAT>(iFontSize));
ge.DrawNormalText(str.GetLength(), pCharPos, m_pFont,
static_cast<FX_FLOAT>(iFontSize), &affine_matrix,
m_fontColor, FXTEXT_CLEARTYPE);
CFX_FxgeDevice geBitmap;
geBitmap.Attach(pOutBitmap, false, nullptr, false);
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 && !pOutBitmap) {
e = BCExceptionIllegalArgument;
return;
}
if (!m_pFont) {
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) {
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)
if (e != BCExceptionNO)
return;
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, nullptr, nullptr, m_barWidth, m_multiple,
e);
if (e != BCExceptionNO)
return;
}
std::unique_ptr<CFX_DIBitmap> pStretchBitmap =
pOutBitmap->StretchTo(m_Width, m_Height);
delete pOutBitmap;
pOutBitmap = pStretchBitmap.release();
}
void CBC_OneDimWriter::RenderDeviceResult(CFX_RenderDevice* device,
const CFX_Matrix* matrix,
const CFX_WideStringC& contents,
int32_t& e) {
if (!m_output)
if (e != BCExceptionNO)
return;
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));
if (m_output->Get(x, y)) {
CFX_GraphStateData data;
device->DrawPath(&rect, &matri, &data, 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, nullptr, device, matrix, m_barWidth, m_multiple, e);
if (e != BCExceptionNO)
return;
}
}
void CBC_OneDimWriter::RenderResult(const CFX_WideStringC& contents,
uint8_t* code,
int32_t codeLength,
bool isDevice,
int32_t& e) {
if (codeLength < 1) {
if (e != BCExceptionNO)
return;
}
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 = pdfium::MakeUnique<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);
if (e != BCExceptionNO)
return;
}
outputX += m_multiple;
}
}
bool CBC_OneDimWriter::CheckContentValidity(const CFX_WideStringC& contents) {
return true;
}
CFX_WideString CBC_OneDimWriter::FilterContents(
const CFX_WideStringC& contents) {
return CFX_WideString();
}
CFX_WideString CBC_OneDimWriter::RenderTextContents(
const CFX_WideStringC& contents) {
return CFX_WideString();
}