mirror of
https://github.com/ONLYOFFICE/core.git
synced 2026-07-11 08:22:08 +08:00
Return getButtonIcons only XObject image
This commit is contained in:
Svetlana Kulikova
@ -1209,39 +1209,11 @@ BYTE* CPdfReader::GetButtonIcon(int nRasterW, int nRasterH, int nBackgroundColor
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if (sIconView && strcmp(sIconView, arrMKName[j]) != 0)
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continue;
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std::string sMKName(arrMKName[j]);
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Object oStr, oStrRef;
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int nView;
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Object oStr;
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if (!oMK.dictLookup(sMKName.c_str(), &oStr)->isStream())
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{
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if (oStr.isNull())
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{
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oStr.free();
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continue;
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}
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oStr.free();
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Object oIF;
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if (!oMK.dictLookup("IF", &oIF)->isDict())
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{
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oIF.free();
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continue;
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}
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oIF.free();
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Object oAP;
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if (!pField->fieldLookup("AP", &oAP)->isDict() || !oAP.dictLookup("N", &oStr)->isStream())
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{
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oAP.free(); oStr.free();
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continue;
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}
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oAP.dictLookupNF("N", &oStrRef);
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nView = oStrRef.getRefNum();
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oAP.free();
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}
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else
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{
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oMK.dictLookupNF(sMKName.c_str(), &oStrRef);
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nView = oStrRef.getRefNum();
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continue;
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}
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if (bFirst)
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@ -1251,8 +1223,9 @@ BYTE* CPdfReader::GetButtonIcon(int nRasterW, int nRasterH, int nBackgroundColor
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// Номер аннотации для сопоставления с AP
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oRes.AddInt(oFieldRef.getRefNum());
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oFieldRef.free();
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nMKPos = oRes.GetSize();
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// Количество иконок 1-3
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nMKPos = oRes.GetSize();
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oRes.AddInt(nMKLength);
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bFirst = false;
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}
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@ -1264,272 +1237,101 @@ BYTE* CPdfReader::GetButtonIcon(int nRasterW, int nRasterH, int nBackgroundColor
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Object oResources;
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oStreamDict->lookup("Resources", &oResources);
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Dict* oResourcesDict = oResources.isDict() ? oResources.getDict() : (Dict *)NULL;
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oStr.free();
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// Получение единственного XObject из Resources, если возможно
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bool bImage = false;
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Object oXObject, oIm;
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if (oResourcesDict && oResourcesDict->lookup("XObject", &oXObject)->isDict() && oXObject.dictGetLength() == 1 && oXObject.dictGetVal(0, &oIm)->isStream())
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if (!oResourcesDict || !oResourcesDict->lookup("XObject", &oXObject)->isDict() || oXObject.dictGetLength() != 1 || !oXObject.dictGetVal(0, &oIm)->isStream())
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{
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Dict *oImDict = oIm.streamGetDict();
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Object oType, oSubtype;
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if (oImDict->lookup("Type", &oType)->isName("XObject") && oImDict->lookup("Subtype", &oSubtype)->isName("Image"))
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{
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bImage = true;
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Object oStrRef;
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oXObject.dictGetValNF(0, &oStrRef);
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int nView = oStrRef.getRefNum();
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oRes.AddInt(nView);
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oStrRef.free();
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if (std::find(arrUniqueImage.begin(), arrUniqueImage.end(), nView) != arrUniqueImage.end())
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{
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oStr.free(); oResources.free();
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oType.free(); oSubtype.free();
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oXObject.free(); oIm.free();
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oRes.WriteBYTE(0);
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nMKLength++;
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continue;
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}
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arrUniqueImage.push_back(nView);
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oRes.WriteBYTE(1);
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// Width & Height
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Object oWidth, oHeight;
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int nWidth = 0;
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int nHeight = 0;
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if (oImDict->lookup("Width", &oWidth)->isInt() && oImDict->lookup("Height", &oHeight)->isInt())
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{
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nWidth = oWidth.getInt();
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nHeight = oHeight.getInt();
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}
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oRes.AddInt(nWidth);
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oRes.AddInt(nHeight);
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oWidth.free(); oHeight.free();
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if (bBase64)
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{
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int nLength = 0;
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Object oLength;
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if (oImDict->lookup("Length", &oLength)->isInt())
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nLength = oLength.getInt();
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oLength.free();
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if (oImDict->lookup("DL", &oLength)->isInt())
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nLength = oLength.getInt();
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oLength.free();
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bool bNew = false;
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BYTE* pBuffer = NULL;
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Stream* pImage = oIm.getStream()->getUndecodedStream();
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pImage->reset();
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MemStream* pMemory = dynamic_cast<MemStream*>(pImage);
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if (pImage->getKind() == strWeird && pMemory)
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{
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if (pMemory->getBufPtr() + nLength == pMemory->getBufEnd())
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pBuffer = (BYTE*)pMemory->getBufPtr();
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else
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nLength = 0;
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}
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else
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{
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bNew = true;
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pBuffer = new BYTE[nLength];
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BYTE* pBufferPtr = pBuffer;
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for (int nI = 0; nI < nLength; ++nI)
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*pBufferPtr++ = (BYTE)pImage->getChar();
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}
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char* cData64 = NULL;
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int nData64Dst = 0;
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NSFile::CBase64Converter::Encode(pBuffer, nLength, cData64, nData64Dst, NSBase64::B64_BASE64_FLAG_NOCRLF);
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oRes.WriteString((BYTE*)cData64, nData64Dst);
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nMKLength++;
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if (bNew)
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RELEASEARRAYOBJECTS(pBuffer);
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RELEASEARRAYOBJECTS(cData64);
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continue;
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}
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BYTE* pBgraData = new BYTE[nWidth * nHeight * 4];
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unsigned int nColor = (unsigned int)nBackgroundColor;
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unsigned int nSize = (unsigned int)(nWidth * nHeight);
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unsigned int* pTemp = (unsigned int*)pBgraData;
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for (unsigned int k = 0; k < nSize; ++k)
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*pTemp++ = nColor;
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int bits = 0;
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StreamColorSpaceMode csMode = streamCSNone;
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oIm.getStream()->getImageParams(&bits, &csMode);
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if (bits == 0)
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{
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Object oBits;
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if (oImDict->lookup("BitsPerComponent", &oBits)->isNull())
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{
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oBits.free();
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oImDict->lookup("BPC", &oBits);
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}
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bits = oBits.isInt() ? oBits.getInt() : 8;
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oBits.free();
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}
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GfxColorSpace* colorSpace = NULL;
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Object oColorSpace;
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if (oImDict->lookup("ColorSpace", &oColorSpace)->isNull())
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{
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oColorSpace.free();
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oImDict->lookup("CS", &oColorSpace);
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}
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if (oColorSpace.isName())
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{
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// TODO
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}
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if (!oColorSpace.isNull())
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colorSpace = GfxColorSpace::parse(&oColorSpace);
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else if (csMode == streamCSDeviceGray)
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colorSpace = GfxColorSpace::create(csDeviceGray);
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else if (csMode == streamCSDeviceRGB)
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colorSpace = GfxColorSpace::create(csDeviceRGB);
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else if (csMode == streamCSDeviceCMYK)
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colorSpace = GfxColorSpace::create(csDeviceCMYK);
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else
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colorSpace = NULL;
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oColorSpace.free();
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Object oDecode;
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if (oImDict->lookup("Decode", &oDecode)->isNull())
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{
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oDecode.free();
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oImDict->lookup("D", &oDecode);
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}
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GfxImageColorMap* pColorMap = new GfxImageColorMap(bits, &oDecode, colorSpace);
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oDecode.free();
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ImageStream *pImageStream = new ImageStream(oIm.getStream(), nWidth, pColorMap->getNumPixelComps(), pColorMap->getBits());
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pImageStream->reset();
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int nComps = pImageStream->getComps();
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int nCheckWidth = std::min(nWidth, pImageStream->getVals() / nComps);
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int nColorMapType = pColorMap->getFillType();
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GfxColorComp** pColorMapLookup = pColorMap->getLookup();
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if (!pColorMapLookup)
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nColorMapType = 0;
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for (int nY = 0; nY < nHeight; ++nY)
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{
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unsigned char* pLine = pImageStream->getLine();
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unsigned char* pLineDst = pBgraData + 4 * nWidth * nY;
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if (!pLine)
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{
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memset(pLineDst, 0, 4 * nWidth);
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continue;
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}
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for (int nX = 0; nX < nCheckWidth; ++nX)
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{
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if (2 == nColorMapType)
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{
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pLineDst[0] = colToByte(clip01(pColorMapLookup[0][pLine[0]]));
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pLineDst[1] = colToByte(clip01(pColorMapLookup[1][pLine[1]]));
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pLineDst[2] = colToByte(clip01(pColorMapLookup[2][pLine[2]]));
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}
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else if (1 == nColorMapType)
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{
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pLineDst[0] = pLineDst[1] = pLineDst[2] = colToByte(clip01(pColorMapLookup[0][pLine[0]]));
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}
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else
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{
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GfxRGB oRGB;
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pColorMap->getRGB(pLine, &oRGB, gfxRenderingIntentAbsoluteColorimetric);
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pLineDst[0] = colToByte(oRGB.r);
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pLineDst[1] = colToByte(oRGB.g);
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pLineDst[2] = colToByte(oRGB.b);
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}
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pLineDst[3] = 255;
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pLine += nComps;
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pLineDst += 4;
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}
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}
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delete pColorMap;
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nMKLength++;
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unsigned long long npSubMatrix = (unsigned long long)pBgraData;
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unsigned int npSubMatrix1 = npSubMatrix & 0xFFFFFFFF;
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oRes.AddInt(npSubMatrix1);
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oRes.AddInt(npSubMatrix >> 32);
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}
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oType.free(); oSubtype.free();
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}
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oXObject.free(); oIm.free();
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// else
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if (bImage)
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{
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oStr.free(); oStrRef.free(); oResources.free();
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oXObject.free(); oIm.free();
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oResources.free();
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continue;
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}
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oResources.free();
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Dict *oImDict = oIm.streamGetDict();
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Object oType, oSubtype;
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if (!oImDict->lookup("Type", &oType)->isName("XObject") || !oImDict->lookup("Subtype", &oSubtype)->isName("Image"))
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{
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oType.free(); oSubtype.free();
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oXObject.free(); oIm.free();
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continue;
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}
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oType.free(); oSubtype.free();
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Object oStrRef;
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oXObject.dictGetValNF(0, &oStrRef);
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int nView = oStrRef.getRefNum();
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oRes.AddInt(nView);
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oStrRef.free();
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if (std::find(arrUniqueImage.begin(), arrUniqueImage.end(), nView) != arrUniqueImage.end())
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{
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oStr.free(); oStrRef.free(); oResources.free();
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oXObject.free(); oIm.free();
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oRes.WriteBYTE(0);
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nMKLength++;
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continue;
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}
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oXObject.free();
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arrUniqueImage.push_back(nView);
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oRes.WriteBYTE(1);
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// BBox
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Object bboxObj;
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double bbox[4];
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if (oStreamDict->lookup("BBox", &bboxObj)->isArray())
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// Width & Height
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Object oWidth, oHeight;
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int nWidth = 0;
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int nHeight = 0;
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if (oImDict->lookup("Width", &oWidth)->isInt() && oImDict->lookup("Height", &oHeight)->isInt())
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{
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for (int k = 0; k < 4; ++k)
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{
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Object obj1;
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bboxObj.arrayGet(k, &obj1);
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bbox[k] = obj1.getNum();
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obj1.free();
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}
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nWidth = oWidth.getInt();
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nHeight = oHeight.getInt();
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}
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else
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{
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bbox[0] = 0; bbox[1] = 0;
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bbox[2] = 0; bbox[3] = 0;
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}
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bboxObj.free();
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// Matrix
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double m[6];
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Object matrixObj;
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if (oStreamDict->lookup("Matrix", &matrixObj)->isArray())
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{
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for (int k = 0; k < 6; ++k)
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{
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Object obj1;
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matrixObj.arrayGet(k, &obj1);
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m[k] = obj1.getNum();
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obj1.free();
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}
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}
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else
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{
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m[0] = 1; m[1] = 0;
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m[2] = 0; m[3] = 1;
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m[4] = 0; m[5] = 0;
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}
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matrixObj.free();
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int nWidth = (bbox[2] > 0) ? (int)round(bbox[2] * (double)nRasterW / dWidth) : (int)((int)dWidth * 96 / dPageDpiX);
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int nHeight = (bbox[3] > 0) ? (int)round(bbox[3] * (double)nRasterH / dHeight): (int)((int)dHeight * 96 / dPageDpiY);
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oRes.AddInt(nWidth);
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oRes.AddInt(nHeight);
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oWidth.free(); oHeight.free();
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if (bBase64)
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{
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int nLength = 0;
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Object oLength;
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if (oImDict->lookup("Length", &oLength)->isInt())
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nLength = oLength.getInt();
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oLength.free();
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if (oImDict->lookup("DL", &oLength)->isInt())
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nLength = oLength.getInt();
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oLength.free();
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bool bNew = false;
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BYTE* pBuffer = NULL;
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Stream* pImage = oIm.getStream()->getUndecodedStream();
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pImage->reset();
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MemStream* pMemory = dynamic_cast<MemStream*>(pImage);
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if (pImage->getKind() == strWeird && pMemory)
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{
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if (pMemory->getBufPtr() + nLength == pMemory->getBufEnd())
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pBuffer = (BYTE*)pMemory->getBufPtr();
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else
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nLength = 0;
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}
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else
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{
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bNew = true;
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pBuffer = new BYTE[nLength];
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BYTE* pBufferPtr = pBuffer;
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for (int nI = 0; nI < nLength; ++nI)
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*pBufferPtr++ = (BYTE)pImage->getChar();
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}
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char* cData64 = NULL;
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int nData64Dst = 0;
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NSFile::CBase64Converter::Encode(pBuffer, nLength, cData64, nData64Dst, NSBase64::B64_BASE64_FLAG_NOCRLF);
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oRes.WriteString((BYTE*)cData64, nData64Dst);
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nMKLength++;
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if (bNew)
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RELEASEARRAYOBJECTS(pBuffer);
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RELEASEARRAYOBJECTS(cData64);
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continue;
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}
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||||
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BYTE* pBgraData = new BYTE[nWidth * nHeight * 4];
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unsigned int nColor = (unsigned int)nBackgroundColor;
|
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@ -1538,67 +1340,112 @@ BYTE* CPdfReader::GetButtonIcon(int nRasterW, int nRasterH, int nBackgroundColor
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||||
for (unsigned int k = 0; k < nSize; ++k)
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||||
*pTemp++ = nColor;
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CBgraFrame* pFrame = new CBgraFrame();
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pFrame->put_Data(pBgraData);
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pFrame->put_Width(nWidth);
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pFrame->put_Height(nHeight);
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pFrame->put_Stride(4 * nWidth);
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pFrame->put_IsRGBA(true);
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int bits = 0;
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StreamColorSpaceMode csMode = streamCSNone;
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oIm.getStream()->getImageParams(&bits, &csMode);
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NSGraphics::IGraphicsRenderer* pRenderer = NSGraphics::Create();
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pRenderer->SetFontManager(m_pFontManager);
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||||
pRenderer->CreateFromBgraFrame(pFrame);
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pRenderer->SetSwapRGB(true);
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pRenderer->put_Width (bbox[2] * 25.4 / dPageDpiX);
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pRenderer->put_Height(bbox[3] * 25.4 / dPageDpiX);
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if (nBackgroundColor != 0xFFFFFF)
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pRenderer->CommandLong(c_nDarkMode, 1);
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||||
if (bits == 0)
|
||||
{
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||||
Object oBits;
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||||
if (oImDict->lookup("BitsPerComponent", &oBits)->isNull())
|
||||
{
|
||||
oBits.free();
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oImDict->lookup("BPC", &oBits);
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||||
}
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bits = oBits.isInt() ? oBits.getInt() : 8;
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oBits.free();
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}
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||||
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PdfReader::RendererOutputDev oRendererOut(pRenderer, m_pFontManager, m_pFontList);
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oRendererOut.NewPDF(m_pPDFDocument->getXRef());
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||||
GfxColorSpace* colorSpace = NULL;
|
||||
Object oColorSpace;
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||||
if (oImDict->lookup("ColorSpace", &oColorSpace)->isNull())
|
||||
{
|
||||
oColorSpace.free();
|
||||
oImDict->lookup("CS", &oColorSpace);
|
||||
}
|
||||
if (oColorSpace.isName())
|
||||
{
|
||||
// TODO
|
||||
}
|
||||
if (!oColorSpace.isNull())
|
||||
colorSpace = GfxColorSpace::parse(&oColorSpace);
|
||||
else if (csMode == streamCSDeviceGray)
|
||||
colorSpace = GfxColorSpace::create(csDeviceGray);
|
||||
else if (csMode == streamCSDeviceRGB)
|
||||
colorSpace = GfxColorSpace::create(csDeviceRGB);
|
||||
else if (csMode == streamCSDeviceCMYK)
|
||||
colorSpace = GfxColorSpace::create(csDeviceCMYK);
|
||||
else
|
||||
colorSpace = NULL;
|
||||
oColorSpace.free();
|
||||
|
||||
// Создание Gfx
|
||||
GBool crop = gTrue;
|
||||
PDFRectangle box;
|
||||
pPage->makeBox(72.0, 72.0, 0, gFalse, oRendererOut.upsideDown(), -1, -1, -1, -1, &box, &crop);
|
||||
PDFRectangle* cropBox = pPage->getCropBox();
|
||||
Object oDecode;
|
||||
if (oImDict->lookup("Decode", &oDecode)->isNull())
|
||||
{
|
||||
oDecode.free();
|
||||
oImDict->lookup("D", &oDecode);
|
||||
}
|
||||
|
||||
Gfx* gfx = new Gfx(m_pPDFDocument, &oRendererOut, nPageIndex + 1, pPage->getAttrs()->getResourceDict(), 72.0, 72.0, &box, cropBox ? cropBox : (PDFRectangle *)NULL, 0, NULL, NULL);
|
||||
GfxImageColorMap* pColorMap = new GfxImageColorMap(bits, &oDecode, colorSpace);
|
||||
oDecode.free();
|
||||
|
||||
pRenderer->SetCoordTransformOffset(0, bbox[3] * (double)nRasterH / dHeight - nRasterH);
|
||||
gfx->drawForm(&oStrRef, oResourcesDict, m, bbox, gFalse, gFalse, gFalse, gFalse);
|
||||
oStr.free(); oStrRef.free(); oResources.free();
|
||||
ImageStream *pImageStream = new ImageStream(oIm.getStream(), nWidth, pColorMap->getNumPixelComps(), pColorMap->getBits());
|
||||
pImageStream->reset();
|
||||
|
||||
int nComps = pImageStream->getComps();
|
||||
int nCheckWidth = std::min(nWidth, pImageStream->getVals() / nComps);
|
||||
|
||||
int nColorMapType = pColorMap->getFillType();
|
||||
GfxColorComp** pColorMapLookup = pColorMap->getLookup();
|
||||
if (!pColorMapLookup)
|
||||
nColorMapType = 0;
|
||||
|
||||
for (int nY = 0; nY < nHeight; ++nY)
|
||||
{
|
||||
unsigned char* pLine = pImageStream->getLine();
|
||||
unsigned char* pLineDst = pBgraData + 4 * nWidth * nY;
|
||||
|
||||
if (!pLine)
|
||||
{
|
||||
memset(pLineDst, 0, 4 * nWidth);
|
||||
continue;
|
||||
}
|
||||
|
||||
for (int nX = 0; nX < nCheckWidth; ++nX)
|
||||
{
|
||||
if (2 == nColorMapType)
|
||||
{
|
||||
pLineDst[0] = colToByte(clip01(pColorMapLookup[0][pLine[0]]));
|
||||
pLineDst[1] = colToByte(clip01(pColorMapLookup[1][pLine[1]]));
|
||||
pLineDst[2] = colToByte(clip01(pColorMapLookup[2][pLine[2]]));
|
||||
}
|
||||
else if (1 == nColorMapType)
|
||||
{
|
||||
pLineDst[0] = pLineDst[1] = pLineDst[2] = colToByte(clip01(pColorMapLookup[0][pLine[0]]));
|
||||
}
|
||||
else
|
||||
{
|
||||
GfxRGB oRGB;
|
||||
pColorMap->getRGB(pLine, &oRGB, gfxRenderingIntentAbsoluteColorimetric);
|
||||
pLineDst[0] = colToByte(oRGB.r);
|
||||
pLineDst[1] = colToByte(oRGB.g);
|
||||
pLineDst[2] = colToByte(oRGB.b);
|
||||
}
|
||||
|
||||
pLineDst[3] = 255;
|
||||
pLine += nComps;
|
||||
pLineDst += 4;
|
||||
}
|
||||
}
|
||||
delete pColorMap;
|
||||
|
||||
nMKLength++;
|
||||
unsigned long long npSubMatrix = (unsigned long long)pBgraData;
|
||||
unsigned int npSubMatrix1 = npSubMatrix & 0xFFFFFFFF;
|
||||
oRes.AddInt(npSubMatrix1);
|
||||
oRes.AddInt(npSubMatrix >> 32);
|
||||
|
||||
if (bBase64)
|
||||
{
|
||||
BYTE* pPngBuffer = NULL;
|
||||
int nPngSize = 0;
|
||||
pFrame->Encode(pPngBuffer, nPngSize, 4);
|
||||
|
||||
char* cData64 = NULL;
|
||||
int nData64Dst = 0;
|
||||
NSFile::CBase64Converter::Encode(pPngBuffer, nPngSize, cData64, nData64Dst, NSBase64::B64_BASE64_FLAG_NOCRLF);
|
||||
|
||||
oRes.WriteString((BYTE*)cData64, nData64Dst);
|
||||
|
||||
RELEASEARRAYOBJECTS(cData64);
|
||||
RELEASEARRAYOBJECTS(pPngBuffer);
|
||||
}
|
||||
else
|
||||
{
|
||||
unsigned long long npSubMatrix = (unsigned long long)pBgraData;
|
||||
unsigned int npSubMatrix1 = npSubMatrix & 0xFFFFFFFF;
|
||||
oRes.AddInt(npSubMatrix1);
|
||||
oRes.AddInt(npSubMatrix >> 32);
|
||||
|
||||
pFrame->ClearNoAttack();
|
||||
}
|
||||
|
||||
delete gfx;
|
||||
RELEASEOBJECT(pFrame);
|
||||
RELEASEOBJECT(pRenderer);
|
||||
oIm.free();
|
||||
}
|
||||
oMK.free();
|
||||
|
||||
|
||||
Reference in New Issue
Block a user