// 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 "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(FX_BOOL checksum) { m_bPrintChecksum = checksum; } void CBC_OneDimWriter::SetDataLength(int32_t length) { m_iDataLenth = length; } void CBC_OneDimWriter::SetCalcChecksum(FX_BOOL state) { m_bCalcChecksum = state; } FX_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); } BC_EXCEPTION_CHECK_ReturnValue(e, 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); BC_EXCEPTION_CHECK_ReturnValue(e, 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_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.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, (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, (FX_FLOAT)iFontSize); ge.DrawNormalText(str.GetLength(), pCharPos, m_pFont, (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) 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, nullptr, nullptr, m_barWidth, m_multiple, e); BC_EXCEPTION_CHECK_ReturnVoid(e); } CFX_DIBitmap* pStretchBitmap = pOutBitmap->StretchTo(m_Width, m_Height); 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) 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)); 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); 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.reset(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; } } FX_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(); }