Files
Jungfraujoch/preview/JFJochTIFF.cpp
2024-11-22 21:25:20 +01:00

129 lines
4.8 KiB
C++

// SPDX-FileCopyrightText: 2024 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
// SPDX-License-Identifier: GPL-3.0-only
#include <tiffio.h>
#include <tiffio.hxx>
#include <sstream>
#include "JFJochTIFF.h"
#include "../common/JFJochException.h"
void WriteTIFF(TIFF *tiff, void *buff, size_t cols, size_t lines, size_t elem_size, bool is_signed) {
if (tiff == nullptr)
throw JFJochException(JFJochExceptionCategory::TIFFGeneratorError, "TIFFStreamOpen error");
TIFFSetField(tiff, TIFFTAG_IMAGEWIDTH, cols); // set the width of the image
TIFFSetField(tiff, TIFFTAG_IMAGELENGTH, lines); // set the height of the image
TIFFSetField(tiff, TIFFTAG_SAMPLESPERPIXEL, 1); // set number of channels per pixel
TIFFSetField(tiff, TIFFTAG_BITSPERSAMPLE, elem_size * 8); // set the size of the channels
TIFFSetField(tiff, TIFFTAG_COMPRESSION, COMPRESSION_NONE); // setc ompression to LZW
TIFFSetField(tiff, TIFFTAG_ROWSPERSTRIP, lines);
if (is_signed)
TIFFSetField(tiff, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_INT);
else
TIFFSetField(tiff, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_UINT);
if (TIFFWriteEncodedStrip(tiff, 0, buff, cols * lines * elem_size) < 0)
throw JFJochException(JFJochExceptionCategory::TIFFGeneratorError, "TIFFWriteEncodedStrip error");
}
std::string WriteTIFFToString(void *buff, size_t cols, size_t lines, size_t elem_size, bool is_signed) {
std::stringstream os;
TIFF *tiff = TIFFStreamOpen("x", (std::ostream *) &os);
WriteTIFF(tiff, buff, cols, lines, elem_size, is_signed);
TIFFClose(tiff);
return os.str();
}
void WriteTIFFToFile(const std::string &filename, void *buff, size_t cols, size_t lines, size_t elem_size,
bool is_signed) {
TIFF *tiff = TIFFOpen(filename.c_str(), "w");
WriteTIFF(tiff, buff, cols, lines, elem_size, is_signed);
TIFFClose(tiff);
}
std::vector<uint32_t> ReadTIFFFromString32(const std::string &s, uint32_t &cols, uint32_t &lines) {
if (s.empty())
throw JFJochException(JFJochExceptionCategory::TIFFGeneratorError, "No TIFF file provided");
uint32_t rows_per_string = 0;
std::vector<uint32_t> ret;
uint16_t elem_size;
std::istringstream input_TIFF_stream(s);
TIFF* tiff = TIFFStreamOpen("MemTIFF", &input_TIFF_stream);
if (tiff == nullptr)
throw JFJochException(JFJochExceptionCategory::TIFFGeneratorError,"Not a proper TIFF file");
TIFFGetField(tiff, TIFFTAG_IMAGEWIDTH, &cols); // get the width of the image
TIFFGetField(tiff, TIFFTAG_IMAGELENGTH, &lines); // get the height of the image
TIFFGetField(tiff, TIFFTAG_BITSPERSAMPLE, &elem_size); // get the size of the channels
TIFFGetField(tiff, TIFFTAG_ROWSPERSTRIP, &rows_per_string);
if (elem_size != 32)
throw JFJochException(JFJochExceptionCategory::TIFFGeneratorError, "Only 32-bit format supported");
ret.resize(cols * lines);
if (cols * sizeof(uint32_t) != TIFFScanlineSize(tiff))
throw JFJochException(JFJochExceptionCategory::TIFFGeneratorError, "TIFFScanlineSize mismatch");
for (int i = 0; i < lines; i++) {
if (TIFFReadScanline(tiff, ret.data() + i * cols, i, 0) < 0)
throw JFJochException(JFJochExceptionCategory::TIFFGeneratorError, "TIFFReadScanline error");
}
TIFFClose(tiff);
return ret;
}
std::vector<uint16_t> ReadTIFFFromString16(const std::string &s, uint32_t &cols, uint32_t &lines) {
if (s.empty())
throw JFJochException(JFJochExceptionCategory::TIFFGeneratorError, "No TIFF file provided");
uint32_t rows_per_string = 0;
std::vector<uint16_t> ret;
uint16_t elem_size;
std::istringstream input_TIFF_stream(s);
TIFF* tiff = TIFFStreamOpen("MemTIFF", &input_TIFF_stream);
if (tiff == nullptr)
throw JFJochException(JFJochExceptionCategory::TIFFGeneratorError,
"TIFF format error");
TIFFGetField(tiff, TIFFTAG_IMAGEWIDTH, &cols); // get the width of the image
TIFFGetField(tiff, TIFFTAG_IMAGELENGTH, &lines); // get the height of the image
TIFFGetField(tiff, TIFFTAG_BITSPERSAMPLE, &elem_size); // get the size of the channels
TIFFGetField(tiff, TIFFTAG_ROWSPERSTRIP, &rows_per_string);
if (elem_size != 16)
throw JFJochException(JFJochExceptionCategory::TIFFGeneratorError, "Only 16-bit format supported");
ret.resize(cols * lines);
if (cols * sizeof(uint16_t) != TIFFScanlineSize(tiff))
throw JFJochException(JFJochExceptionCategory::TIFFGeneratorError, "TIFFScanlineSize mismatch");
for (int i = 0; i < lines; i++) {
if (TIFFReadScanline(tiff, ret.data() + i * cols, i, 0) < 0)
throw JFJochException(JFJochExceptionCategory::TIFFGeneratorError, "TIFFReadScanline error");
}
TIFFClose(tiff);
return ret;
}
void SupressTIFFErrors() {
TIFFSetErrorHandler(nullptr);
}