| // 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/include/cfx_gemodule.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; |
| m_output = nullptr; |
| } |
| CBC_OneDimWriter::~CBC_OneDimWriter() { |
| delete m_output; |
| } |
| 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) |
| 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.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) { |
| affine_matrix.Concat(*matrix); |
| } |
| device->DrawNormalText( |
| str.GetLength(), pCharPos, m_pFont, CFX_GEModule::Get()->GetFontCache(), |
| (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, |
| CFX_GEModule::Get()->GetFontCache(), (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 = 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(); |
| } |
