diff options
Diffstat (limited to 'xfa/src/fxbarcode/oned/BC_OneDimWriter.cpp')
| -rw-r--r-- | xfa/src/fxbarcode/oned/BC_OneDimWriter.cpp | 415 |
1 files changed, 415 insertions, 0 deletions
diff --git a/xfa/src/fxbarcode/oned/BC_OneDimWriter.cpp b/xfa/src/fxbarcode/oned/BC_OneDimWriter.cpp new file mode 100644 index 0000000000..25f3fa5f6c --- /dev/null +++ b/xfa/src/fxbarcode/oned/BC_OneDimWriter.cpp @@ -0,0 +1,415 @@ +// 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 "../barcode.h"
+#include "../BC_Writer.h"
+#include "../common/BC_CommonBitMatrix.h"
+#include "BC_OneDimWriter.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(FX_INT32 length)
+{
+ m_iDataLenth = length;
+}
+void CBC_OneDimWriter::SetCalcChecksum(FX_INT32 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(FX_INT32 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;
+}
+FX_BYTE* CBC_OneDimWriter::Encode(const CFX_ByteString &contents, BCFORMAT format,
+ FX_INT32 &outWidth, FX_INT32 &outHeight, FX_INT32 hints, FX_INT32 &e)
+{
+ FX_BYTE *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;
+}
+FX_BYTE *CBC_OneDimWriter::Encode(const CFX_ByteString &contents, BCFORMAT format,
+ FX_INT32 &outWidth, FX_INT32 &outHeight, FX_INT32 &e)
+{
+ FX_BYTE *ret = Encode(contents, format, outWidth, outHeight, 0, e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ return ret;
+}
+FX_INT32 CBC_OneDimWriter::AppendPattern(FX_BYTE* target, FX_INT32 pos, const FX_INT32* pattern , FX_INT32 patternLength, FX_INT32 startColor, FX_INT32 &e)
+{
+ if (startColor != 0 && startColor != 1) {
+ e = BCExceptionValueMustBeEither0or1;
+ return 0;
+ }
+ FX_BYTE color = (FX_BYTE) startColor;
+ FX_INT32 numAdded = 0;
+ for (FX_INT32 i = 0; i < patternLength; i++) {
+ for (FX_INT32 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, FX_INT32 fontSize, FX_FLOAT &charsLen)
+{
+#ifdef FXFM_ENCODING_NONE
+ IFX_FontEncodingEx* encoding = FX_CreateFontEncodingEx(cFont);
+#else
+ IFX_FontEncoding * encoding = FXGE_CreateUnicodeEncoding(cFont);
+#endif
+ FX_INT32 length = text.GetLength();
+ FX_DWORD *pCharCode = FX_Alloc(FX_DWORD, text.GetLength());
+ FX_FLOAT charWidth = 0;
+ for (FX_INT32 j = 0; j < text.GetLength(); j++) {
+ pCharCode[j] = encoding->CharCodeFromUnicode(text[j]);
+ FX_INT32 glyp_code = encoding->GlyphFromCharCode(pCharCode[j]);
+ FX_INT32 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 (FX_INT32 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);
+ delete encoding;
+ encoding = NULL;
+}
+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, FX_INT32 barWidth)
+{
+ FX_INT32 iFontSize = (FX_INT32)fabs(m_fFontSize);
+ FX_INT32 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);
+ }
+ FX_BOOL ret = device->DrawNormalText(str.GetLength(),
+ pCharPos,
+ m_pFont,
+ CFX_GEModule::Get()->GetFontCache(),
+ (FX_FLOAT)iFontSize,
+ (CFX_AffineMatrix *) &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, FX_INT32 barWidth)
+{
+ FX_INT32 iFontSize = (FX_INT32)fabs(m_fFontSize);
+ FX_INT32 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_AffineMatrix affine_matrix(1.0, 0.0, 0.0, -1.0, 0.0, (FX_FLOAT)iFontSize);
+ FX_BOOL ret = ge.DrawNormalText(str.GetLength(),
+ pCharPos,
+ m_pFont,
+ CFX_GEModule::Get()->GetFontCache(),
+ (FX_FLOAT)iFontSize,
+ (CFX_AffineMatrix *) &affine_matrix,
+ m_fontColor, FXTEXT_CLEARTYPE);
+ CFX_FxgeDevice geBitmap;
+ geBitmap.Attach(pOutBitmap);
+ geBitmap.SetDIBits(ge.GetBitmap(), (int)locX, (int)locY);
+}
+void CBC_OneDimWriter::ShowChars(FX_WSTR contents, CFX_DIBitmap *pOutBitmap, CFX_RenderDevice *device, const CFX_Matrix* matrix, FX_INT32 barWidth, FX_INT32 multiple, FX_INT32 &e)
+{
+ if (device == NULL && pOutBitmap == NULL) {
+ e = BCExceptionIllegalArgument;
+ return;
+ }
+ if (m_pFont == NULL) {
+ e = BCExceptionNullPointer;
+ return;
+ }
+ CFX_ByteString str = FX_UTF8Encode(contents);
+ FX_INT32 iLen = str.GetLength();
+ FXTEXT_CHARPOS* pCharPos = FX_Alloc(FXTEXT_CHARPOS, iLen);
+ if (!pCharPos) {
+ return;
+ }
+ FXSYS_memset32(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;
+ }
+ FX_INT32 iFontSize = (FX_INT32)fabs(m_fFontSize);
+ FX_INT32 iTextHeight = iFontSize + 1;
+ CalcTextInfo(str, pCharPos, m_pFont, geWidth, iFontSize, charsLen);
+ if (charsLen < 1) {
+ return;
+ }
+ FX_INT32 locX = 0;
+ FX_INT32 locY = 0;
+ switch (m_locTextLoc) {
+ case BC_TEXT_LOC_ABOVEEMBED:
+ locX = (FX_INT32)(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 = (FX_INT32)(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, FX_WSTR contents, FX_INT32 &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 (FX_INT32 x = 0; x < m_output->GetWidth(); x++) {
+ for (FX_INT32 y = 0; y < m_output->GetHeight(); y++) {
+ if (m_output->Get(x, y)) {
+ pOutBitmap->SetPixel(x, y, m_barColor);
+ }
+ }
+ }
+ FX_INT32 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, FX_WSTR contents, FX_INT32 &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 (FX_INT32 x = 0; x < m_output->GetWidth(); x++) {
+ for (FX_INT32 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);
+ }
+ }
+ }
+ FX_INT32 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(FX_WSTR contents, FX_BYTE* code, FX_INT32 codeLength, FX_BOOL isDevice, FX_INT32 &e)
+{
+ if (codeLength < 1) {
+ BC_EXCEPTION_CHECK_ReturnVoid(e);
+ }
+ if (m_ModuleHeight < 20.0) {
+ m_ModuleHeight = 20;
+ }
+ FX_INT32 codeOldLength = codeLength;
+ FX_INT32 leftPadding = 0;
+ FX_INT32 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 = FX_MAX(m_outputHScale, 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 = (FX_INT32)ceil(m_outputHScale * dataLengthScale);
+ }
+ FX_INT32 outputHeight = 1;
+ if (!isDevice) {
+ if (m_Height == 0) {
+ outputHeight = FX_MAX(20, m_ModuleHeight);
+ } else {
+ outputHeight = m_Height;
+ }
+ }
+ FX_INT32 outputWidth = codeLength;
+ if (!isDevice) {
+ outputWidth = (FX_INT32)(codeLength * m_multiple / dataLengthScale);
+ }
+ m_barWidth = m_Width;
+ if (!isDevice) {
+ m_barWidth = codeLength * m_multiple;
+ }
+ m_output = FX_NEW CBC_CommonBitMatrix;
+ m_output->Init(outputWidth, outputHeight);
+ FX_INT32 outputX = leftPadding * m_multiple;
+ for (FX_INT32 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;
+ }
+}
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