diff options
Diffstat (limited to 'xfa/fxbarcode/oned/BC_OneDimWriter.cpp')
| -rw-r--r-- | xfa/fxbarcode/oned/BC_OneDimWriter.cpp | 437 |
1 files changed, 437 insertions, 0 deletions
diff --git a/xfa/fxbarcode/oned/BC_OneDimWriter.cpp b/xfa/fxbarcode/oned/BC_OneDimWriter.cpp new file mode 100644 index 0000000000..62ca97f488 --- /dev/null +++ b/xfa/fxbarcode/oned/BC_OneDimWriter.cpp @@ -0,0 +1,437 @@ +// 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 "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 = 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() { + 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 == 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) { + 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) { + 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; + } +} |