diff options
Diffstat (limited to 'src/qcam/dng_writer.cpp')
| -rw-r--r-- | src/qcam/dng_writer.cpp | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/src/qcam/dng_writer.cpp b/src/qcam/dng_writer.cpp index 4b5d8276..5896485c 100644 --- a/src/qcam/dng_writer.cpp +++ b/src/qcam/dng_writer.cpp @@ -391,9 +391,9 @@ int DNGWriter::write(const char *filename, const Camera *camera, TIFFSetField(tif, TIFFTAG_FILLORDER, FILLORDER_MSB2LSB); TIFFSetField(tif, TIFFTAG_MAKE, "libcamera"); - if (cameraProperties.contains(properties::Model)) { - std::string model = *cameraProperties.get(properties::Model); - TIFFSetField(tif, TIFFTAG_MODEL, model.c_str()); + const auto &model = cameraProperties.get(properties::Model); + if (model) { + TIFFSetField(tif, TIFFTAG_MODEL, model->c_str()); /* \todo set TIFFTAG_UNIQUECAMERAMODEL. */ } @@ -437,16 +437,18 @@ int DNGWriter::write(const char *filename, const Camera *camera, */ const double eps = 1e-2; - if (metadata.contains(controls::ColourGains)) { - const auto &colourGains = metadata.get(controls::ColourGains); + const auto &colourGains = metadata.get(controls::ColourGains); + if (colourGains) { if ((*colourGains)[0] > eps && (*colourGains)[1] > eps) { wbGain = Matrix3d::diag((*colourGains)[0], 1, (*colourGains)[1]); neutral[0] = 1.0 / (*colourGains)[0]; /* red */ neutral[2] = 1.0 / (*colourGains)[1]; /* blue */ } } - if (metadata.contains(controls::ColourCorrectionMatrix)) { - Matrix3d ccmSupplied(*metadata.get(controls::ColourCorrectionMatrix)); + + const auto &ccmControl = metadata.get(controls::ColourCorrectionMatrix); + if (ccmControl) { + Matrix3d ccmSupplied(*ccmControl); if (ccmSupplied.determinant() > eps) ccm = ccmSupplied; } @@ -513,9 +515,9 @@ int DNGWriter::write(const char *filename, const Camera *camera, float blackLevel[] = { 0.0f, 0.0f, 0.0f, 0.0f }; uint32_t whiteLevel = (1 << info->bitsPerSample) - 1; - if (metadata.contains(controls::SensorBlackLevels)) { - Span<const int32_t> levels = - *metadata.get(controls::SensorBlackLevels); + const auto &blackLevels = metadata.get(controls::SensorBlackLevels); + if (blackLevels) { + Span<const int32_t> levels = *blackLevels; /* * The black levels control is specified in R, Gr, Gb, B order. @@ -592,16 +594,15 @@ int DNGWriter::write(const char *filename, const Camera *camera, TIFFSetField(tif, EXIFTAG_DATETIMEORIGINAL, strTime); TIFFSetField(tif, EXIFTAG_DATETIMEDIGITIZED, strTime); - if (metadata.contains(controls::AnalogueGain)) { - float gain = *metadata.get(controls::AnalogueGain); - uint16_t iso = std::min(std::max(gain * 100, 0.0f), 65535.0f); + const auto &analogGain = metadata.get(controls::AnalogueGain); + if (analogGain) { + uint16_t iso = std::min(std::max(*analogGain * 100, 0.0f), 65535.0f); TIFFSetField(tif, EXIFTAG_ISOSPEEDRATINGS, 1, &iso); } - if (metadata.contains(controls::ExposureTime)) { - float exposureTime = *metadata.get(controls::ExposureTime) / 1e6; - TIFFSetField(tif, EXIFTAG_EXPOSURETIME, exposureTime); - } + const auto &exposureTime = metadata.get(controls::ExposureTime); + if (exposureTime) + TIFFSetField(tif, EXIFTAG_EXPOSURETIME, *exposureTime / 1e6); TIFFWriteCustomDirectory(tif, &exifIFDOffset); |