bool PGFLoader::load(const QString& filePath, DImgLoaderObserver* const observer) { m_observer = observer; readMetadata(filePath, DImg::PGF); FILE* file = fopen(QFile::encodeName(filePath).constData(), "rb"); if (!file) { qCWarning(DIGIKAM_DIMG_LOG_PGF) << "Error: Could not open source file."; loadingFailed(); return false; } unsigned char header[3]; if (fread(&header, 3, 1, file) != 1) { fclose(file); loadingFailed(); return false; } unsigned char pgfID[3] = { 0x50, 0x47, 0x46 }; if (memcmp(&header[0], &pgfID, 3) != 0) { // not a PGF file fclose(file); loadingFailed(); return false; } fclose(file); // ------------------------------------------------------------------- // Initialize PGF API. #ifdef WIN32 #ifdef UNICODE HANDLE fd = CreateFile((LPCWSTR)(QFile::encodeName(filePath).constData()), GENERIC_READ, 0, 0, OPEN_EXISTING, 0, 0); #else HANDLE fd = CreateFile(QFile::encodeName(filePath).constData(), GENERIC_READ, 0, 0, OPEN_EXISTING, 0, 0); #endif if (fd == INVALID_HANDLE_VALUE) { loadingFailed(); return false; } #else int fd = open(QFile::encodeName(filePath).constData(), O_RDONLY); if (fd == -1) { loadingFailed(); return false; } #endif CPGFFileStream stream(fd); CPGFImage pgf; int colorModel = DImg::COLORMODELUNKNOWN; try { // open pgf image pgf.Open(&stream); switch (pgf.Mode()) { case ImageModeRGBColor: case ImageModeRGB48: m_hasAlpha = false; colorModel = DImg::RGB; break; case ImageModeRGBA: m_hasAlpha = true; colorModel = DImg::RGB; break; default: qCWarning(DIGIKAM_DIMG_LOG_PGF) << "Cannot load PGF image: color mode not supported (" << pgf.Mode() << ")"; loadingFailed(); return false; break; } switch (pgf.Channels()) { case 3: case 4: break; default: qCWarning(DIGIKAM_DIMG_LOG_PGF) << "Cannot load PGF image: color channels number not supported (" << pgf.Channels() << ")"; loadingFailed(); return false; break; } int bitDepth = pgf.BPP(); switch (bitDepth) { case 24: // RGB 8 bits. case 32: // RGBA 8 bits. m_sixteenBit = false; break; case 48: // RGB 16 bits. case 64: // RGBA 16 bits. m_sixteenBit = true; break; default: qCWarning(DIGIKAM_DIMG_LOG_PGF) << "Cannot load PGF image: color bits depth not supported (" << bitDepth << ")"; loadingFailed(); return false; break; } if(DIGIKAM_DIMG_LOG_PGF().isDebugEnabled()) { const PGFHeader* header = pgf.GetHeader(); qCDebug(DIGIKAM_DIMG_LOG_PGF) << "PGF width = " << header->width; qCDebug(DIGIKAM_DIMG_LOG_PGF) << "PGF height = " << header->height; qCDebug(DIGIKAM_DIMG_LOG_PGF) << "PGF bbp = " << header->bpp; qCDebug(DIGIKAM_DIMG_LOG_PGF) << "PGF channels = " << header->channels; qCDebug(DIGIKAM_DIMG_LOG_PGF) << "PGF quality = " << header->quality; qCDebug(DIGIKAM_DIMG_LOG_PGF) << "PGF mode = " << header->mode; qCDebug(DIGIKAM_DIMG_LOG_PGF) << "Has Alpha = " << m_hasAlpha; qCDebug(DIGIKAM_DIMG_LOG_PGF) << "Is 16 bits = " << m_sixteenBit; } // NOTE: see bug #273765 : Loading PGF thumbs with OpenMP support through a separated thread do not work properlly with libppgf 6.11.24 pgf.ConfigureDecoder(false); int width = pgf.Width(); int height = pgf.Height(); uchar* data = 0; QSize originalSize(width, height); if (m_loadFlags & LoadImageData) { // ------------------------------------------------------------------- // Find out if we do the fast-track loading with reduced size. PGF specific. int level = 0; QVariant attribute = imageGetAttribute(QLatin1String("scaledLoadingSize")); if (attribute.isValid() && pgf.Levels() > 0) { int scaledLoadingSize = attribute.toInt(); int i, w, h; for (i = pgf.Levels() - 1 ; i >= 0 ; --i) { w = pgf.Width(i); h = pgf.Height(i); if (qMin(w, h) >= scaledLoadingSize) { break; } } if (i >= 0) { width = w; height = h; level = i; qCDebug(DIGIKAM_DIMG_LOG_PGF) << "Loading PGF scaled version at level " << i << " (" << w << " x " << h << ") for size " << scaledLoadingSize; } } if (m_sixteenBit) { data = new_failureTolerant(width, height, 8); // 16 bits/color/pixel } else { data = new_failureTolerant(width, height, 4); // 8 bits/color/pixel } // Fill all with 255 including alpha channel. memset(data, 0xFF, width * height * (m_sixteenBit ? 8 : 4)); pgf.Read(level, CallbackForLibPGF, this); pgf.GetBitmap(m_sixteenBit ? width * 8 : width * 4, (UINT8*)data, m_sixteenBit ? 64 : 32, NULL, CallbackForLibPGF, this); if (observer) { observer->progressInfo(m_image, 1.0); } } // ------------------------------------------------------------------- // Get ICC color profile. if (m_loadFlags & LoadICCData) { // TODO: Implement proper storage in PGF for color profiles checkExifWorkingColorSpace(); } imageWidth() = width; imageHeight() = height; imageData() = data; imageSetAttribute(QLatin1String("format"), QLatin1String("PGF")); imageSetAttribute(QLatin1String("originalColorModel"), colorModel); imageSetAttribute(QLatin1String("originalBitDepth"), bitDepth); imageSetAttribute(QLatin1String("originalSize"), originalSize); #ifdef WIN32 CloseHandle(fd); #else close(fd); #endif return true; } catch (IOException& e) { int err = e.error; if (err >= AppError) { err -= AppError; } qCWarning(DIGIKAM_DIMG_LOG_PGF) << "Error: Opening and reading PGF image failed (" << err << ")!"; #ifdef WIN32 CloseHandle(fd); #else close(fd); #endif loadingFailed(); return false; } catch (std::bad_alloc& e) { qCWarning(DIGIKAM_DIMG_LOG_PGF) << "Failed to allocate memory for loading" << filePath << e.what(); #ifdef WIN32 CloseHandle(fd); #else close(fd); #endif loadingFailed(); return false; } return true; }
bool QImageLoader::load(const QString& filePath, DImgLoaderObserver* const observer) { // Loading is opaque to us. No support for stopping from observer, // progress info are only pseudo values QImage image(filePath); if (observer) { observer->progressInfo(m_image, 0.9F); } if (image.isNull()) { kDebug() << "Can not load \"" << filePath << "\" using DImg::QImageLoader!"; loadingFailed(); return false; } int colorModel = DImg::COLORMODELUNKNOWN; int originalDepth = 0; switch (image.format()) { case QImage::Format_Invalid: default: colorModel = DImg::COLORMODELUNKNOWN; originalDepth = 0; break; case QImage::Format_Mono: case QImage::Format_MonoLSB: colorModel = DImg::MONOCHROME; originalDepth = 1; break; case QImage::Format_Indexed8: colorModel = DImg::INDEXED; originalDepth = 0; break; case QImage::Format_RGB32: colorModel = DImg::RGB; originalDepth = 8; break; case QImage::Format_ARGB32: case QImage::Format_ARGB32_Premultiplied: colorModel = DImg::RGB; originalDepth = 8; break; } m_hasAlpha = image.hasAlphaChannel(); QImage target = image.convertToFormat(QImage::Format_ARGB32); uint w = target.width(); uint h = target.height(); uchar* const data = new_failureTolerant(w, h, 4); if (!data) { kDebug() << "Failed to allocate memory for loading" << filePath; loadingFailed(); return false; } uint* sptr = reinterpret_cast<uint*>(target.bits()); uchar* dptr = data; for (uint i = 0 ; i < w * h ; ++i) { dptr[0] = qBlue(*sptr); dptr[1] = qGreen(*sptr); dptr[2] = qRed(*sptr); dptr[3] = qAlpha(*sptr); dptr += 4; sptr++; } if (observer) { observer->progressInfo(m_image, 1.0); } imageWidth() = w; imageHeight() = h; imageData() = data; // We considering that PNG is the most representative format of an image loaded by Qt imageSetAttribute("format", "PNG"); imageSetAttribute("originalColorModel", colorModel); imageSetAttribute("originalBitDepth", originalDepth); imageSetAttribute("originalSize", QSize(w, h)); return true; }
bool JP2KLoader::load(const QString& filePath, DImgLoaderObserver* observer) { readMetadata(filePath, DImg::JPEG); FILE* file = fopen(QFile::encodeName(filePath), "rb"); if (!file) { loadingFailed(); return false; } unsigned char header[9]; if (fread(&header, 9, 1, file) != 1) { fclose(file); loadingFailed(); return false; } unsigned char jp2ID[5] = { 0x6A, 0x50, 0x20, 0x20, 0x0D, }; unsigned char jpcID[2] = { 0xFF, 0x4F }; if (memcmp(&header[4], &jp2ID, 5) != 0 && memcmp(&header, &jpcID, 2) != 0) { // not a jpeg2000 file fclose(file); loadingFailed(); return false; } fclose(file); imageSetAttribute("format", "JP2K"); if (!(m_loadFlags & LoadImageData) && !(m_loadFlags & LoadICCData)) { // libjasper will load the full image in memory already when calling jas_image_decode. // This is bad when scanning. See bugs 215458 and 195583. //FIXME: Use Exiv2 or OpenJPEG to extract this info DMetadata metadata(filePath); QSize size = metadata.getImageDimensions(); if (size.isValid()) { imageWidth() = size.width(); imageHeight() = size.height(); } return true; } // ------------------------------------------------------------------- // Initialize JPEG 2000 API. register long i, x, y; int components[4]; unsigned int maximum_component_depth, scale[4], x_step[4], y_step[4]; unsigned long number_components; jas_image_t* jp2_image = 0; jas_stream_t* jp2_stream = 0; jas_matrix_t* pixels[4]; int init = jas_init(); if (init != 0) { kDebug() << "Unable to init JPEG2000 decoder"; loadingFailed(); return false; } jp2_stream = jas_stream_fopen(QFile::encodeName(filePath), "rb"); if (jp2_stream == 0) { kDebug() << "Unable to open JPEG2000 stream"; loadingFailed(); return false; } jp2_image = jas_image_decode(jp2_stream, -1, 0); if (jp2_image == 0) { jas_stream_close(jp2_stream); kDebug() << "Unable to decode JPEG2000 image"; loadingFailed(); return false; } jas_stream_close(jp2_stream); // some pseudo-progress if (observer) { observer->progressInfo(m_image, 0.1F); } // ------------------------------------------------------------------- // Check color space. int colorModel; switch (jas_clrspc_fam(jas_image_clrspc(jp2_image))) { case JAS_CLRSPC_FAM_RGB: { components[0] = jas_image_getcmptbytype(jp2_image, JAS_IMAGE_CT_RGB_R); components[1] = jas_image_getcmptbytype(jp2_image, JAS_IMAGE_CT_RGB_G); components[2] = jas_image_getcmptbytype(jp2_image, JAS_IMAGE_CT_RGB_B); if ((components[0] < 0) || (components[1] < 0) || (components[2] < 0)) { jas_image_destroy(jp2_image); kDebug() << "Error parsing JPEG2000 image : Missing Image Channel"; loadingFailed(); return false; } number_components = 3; components[3] = jas_image_getcmptbytype(jp2_image, 3); if (components[3] > 0) { m_hasAlpha = true; ++number_components; } colorModel = DImg::RGB; break; } case JAS_CLRSPC_FAM_GRAY: { components[0] = jas_image_getcmptbytype(jp2_image, JAS_IMAGE_CT_GRAY_Y); if (components[0] < 0) { jas_image_destroy(jp2_image); kDebug() << "Error parsing JP2000 image : Missing Image Channel"; loadingFailed(); return false; } number_components = 1; colorModel = DImg::GRAYSCALE; break; } case JAS_CLRSPC_FAM_YCBCR: { components[0] = jas_image_getcmptbytype(jp2_image, JAS_IMAGE_CT_YCBCR_Y); components[1] = jas_image_getcmptbytype(jp2_image, JAS_IMAGE_CT_YCBCR_CB); components[2] = jas_image_getcmptbytype(jp2_image, JAS_IMAGE_CT_YCBCR_CR); if ((components[0] < 0) || (components[1] < 0) || (components[2] < 0)) { jas_image_destroy(jp2_image); kDebug() << "Error parsing JP2000 image : Missing Image Channel"; loadingFailed(); return false; } number_components = 3; components[3] = jas_image_getcmptbytype(jp2_image, JAS_IMAGE_CT_UNKNOWN); if (components[3] > 0) { m_hasAlpha = true; ++number_components; } // FIXME : image->colorspace=YCbCrColorspace; colorModel = DImg::YCBCR; break; } default: { jas_image_destroy(jp2_image); kDebug() << "Error parsing JP2000 image : Colorspace Model Is Not Supported"; loadingFailed(); return false; } } // ------------------------------------------------------------------- // Check image geometry. imageWidth() = jas_image_width(jp2_image); imageHeight() = jas_image_height(jp2_image); for (i = 0; i < (long)number_components; ++i) { if ((((jas_image_cmptwidth(jp2_image, components[i])* jas_image_cmpthstep(jp2_image, components[i])) != (long)imageWidth())) || (((jas_image_cmptheight(jp2_image, components[i])* jas_image_cmptvstep(jp2_image, components[i])) != (long)imageHeight())) || (jas_image_cmpttlx(jp2_image, components[i]) != 0) || (jas_image_cmpttly(jp2_image, components[i]) != 0) || (jas_image_cmptsgnd(jp2_image, components[i]) != false)) { jas_image_destroy(jp2_image); kDebug() << "Error parsing JPEG2000 image : Irregular Channel Geometry Not Supported"; loadingFailed(); return false; } x_step[i] = jas_image_cmpthstep(jp2_image, components[i]); y_step[i] = jas_image_cmptvstep(jp2_image, components[i]); } // ------------------------------------------------------------------- // Get image format. m_hasAlpha = number_components > 3; maximum_component_depth = 0; for (i = 0; i < (long)number_components; ++i) { maximum_component_depth = qMax((long)jas_image_cmptprec(jp2_image,components[i]), (long)maximum_component_depth); pixels[i] = jas_matrix_create(1, ((unsigned int)imageWidth())/x_step[i]); if (!pixels[i]) { jas_image_destroy(jp2_image); kDebug() << "Error decoding JPEG2000 image data : Memory Allocation Failed"; loadingFailed(); return false; } } if (maximum_component_depth > 8) { m_sixteenBit = true; } for (i = 0 ; i < (long)number_components ; ++i) { scale[i] = 1; int prec = jas_image_cmptprec(jp2_image, components[i]); if (m_sixteenBit && prec < 16) { scale[i] = (1 << (16 - jas_image_cmptprec(jp2_image, components[i]))); } } // ------------------------------------------------------------------- // Get image data. uchar* data = 0; if (m_loadFlags & LoadImageData) { if (m_sixteenBit) // 16 bits image. { data = new_failureTolerant(imageWidth()*imageHeight()*8); } else { data = new_failureTolerant(imageWidth()*imageHeight()*4); } if (!data) { kDebug() << "Error decoding JPEG2000 image data : Memory Allocation Failed"; jas_image_destroy(jp2_image); for (i = 0 ; i < (long)number_components ; ++i) { jas_matrix_destroy(pixels[i]); } jas_cleanup(); loadingFailed(); return false; } uint checkPoint = 0; uchar* dst = data; unsigned short* dst16 = (unsigned short*)data; for (y = 0 ; y < (long)imageHeight() ; ++y) { for (i = 0 ; i < (long)number_components; ++i) { int ret = jas_image_readcmpt(jp2_image, (short)components[i], 0, ((unsigned int) y) / y_step[i], ((unsigned int) imageWidth()) / x_step[i], 1, pixels[i]); if (ret != 0) { kDebug() << "Error decoding JPEG2000 image data"; delete [] data; jas_image_destroy(jp2_image); for (i = 0 ; i < (long)number_components ; ++i) { jas_matrix_destroy(pixels[i]); } jas_cleanup(); loadingFailed(); return false; } } switch (number_components) { case 1: // Grayscale. { for (x = 0 ; x < (long)imageWidth() ; ++x) { dst[0] = (uchar)(scale[0]*jas_matrix_getv(pixels[0], x/x_step[0])); dst[1] = dst[0]; dst[2] = dst[0]; dst[3] = 0xFF; dst += 4; } break; } case 3: // RGB. { if (!m_sixteenBit) // 8 bits image. { for (x = 0 ; x < (long)imageWidth() ; ++x) { // Blue dst[0] = (uchar)(scale[2]*jas_matrix_getv(pixels[2], x/x_step[2])); // Green dst[1] = (uchar)(scale[1]*jas_matrix_getv(pixels[1], x/x_step[1])); // Red dst[2] = (uchar)(scale[0]*jas_matrix_getv(pixels[0], x/x_step[0])); // Alpha dst[3] = 0xFF; dst += 4; } } else // 16 bits image. { for (x = 0 ; x < (long)imageWidth() ; ++x) { // Blue dst16[0] = (unsigned short)(scale[2]*jas_matrix_getv(pixels[2], x/x_step[2])); // Green dst16[1] = (unsigned short)(scale[1]*jas_matrix_getv(pixels[1], x/x_step[1])); // Red dst16[2] = (unsigned short)(scale[0]*jas_matrix_getv(pixels[0], x/x_step[0])); // Alpha dst16[3] = 0xFFFF; dst16 += 4; } } break; } case 4: // RGBA. { if (!m_sixteenBit) // 8 bits image. { for (x = 0 ; x < (long)imageWidth() ; ++x) { // Blue dst[0] = (uchar)(scale[2] * jas_matrix_getv(pixels[2], x/x_step[2])); // Green dst[1] = (uchar)(scale[1] * jas_matrix_getv(pixels[1], x/x_step[1])); // Red dst[2] = (uchar)(scale[0] * jas_matrix_getv(pixels[0], x/x_step[0])); // Alpha dst[3] = (uchar)(scale[3] * jas_matrix_getv(pixels[3], x/x_step[3])); dst += 4; } } else // 16 bits image. { for (x = 0 ; x < (long)imageWidth() ; ++x) { // Blue dst16[0] = (unsigned short)(scale[2]*jas_matrix_getv(pixels[2], x/x_step[2])); // Green dst16[1] = (unsigned short)(scale[1]*jas_matrix_getv(pixels[1], x/x_step[1])); // Red dst16[2] = (unsigned short)(scale[0]*jas_matrix_getv(pixels[0], x/x_step[0])); // Alpha dst16[3] = (unsigned short)(scale[3]*jas_matrix_getv(pixels[3], x/x_step[3])); dst16 += 4; } } break; } } // use 0-10% and 90-100% for pseudo-progress if (observer && y >= (long)checkPoint) { checkPoint += granularity(observer, y, 0.8F); if (!observer->continueQuery(m_image)) { delete [] data; jas_image_destroy(jp2_image); for (i = 0 ; i < (long)number_components ; ++i) { jas_matrix_destroy(pixels[i]); } jas_cleanup(); loadingFailed(); return false; } observer->progressInfo(m_image, 0.1 + (0.8 * ( ((float)y)/((float)imageHeight()) ))); } } } // ------------------------------------------------------------------- // Get ICC color profile. if (m_loadFlags & LoadICCData) { jas_iccprof_t* icc_profile = 0; jas_stream_t* icc_stream = 0; jas_cmprof_t* cm_profile = 0; cm_profile = jas_image_cmprof(jp2_image); if (cm_profile != 0) { icc_profile = jas_iccprof_createfromcmprof(cm_profile); } if (icc_profile != 0) { icc_stream = jas_stream_memopen(NULL, 0); if (icc_stream != 0) { if (jas_iccprof_save(icc_profile, icc_stream) == 0) { if (jas_stream_flush(icc_stream) == 0) { jas_stream_memobj_t* blob = (jas_stream_memobj_t*) icc_stream->obj_; QByteArray profile_rawdata; profile_rawdata.resize(blob->len_); memcpy(profile_rawdata.data(), blob->buf_, blob->len_); imageSetIccProfile(profile_rawdata); jas_stream_close(icc_stream); } } } } } if (observer) { observer->progressInfo(m_image, 1.0); } imageData() = data; imageSetAttribute("format", "JP2K"); imageSetAttribute("originalColorModel", colorModel); imageSetAttribute("originalBitDepth", maximum_component_depth); imageSetAttribute("originalSize", QSize(imageWidth(), imageHeight())); jas_image_destroy(jp2_image); for (i = 0 ; i < (long)number_components ; ++i) { jas_matrix_destroy(pixels[i]); } jas_cleanup(); return true; }