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/*
* in_jpeg.cpp -- read JPEG (JFIF and other) files with djpeg
* by pts@fazekas.hu at Sun Apr 14 14:50:30 CEST 2002
*/
#ifdef __GNUC__
#pragma implementation
#endif
#include "image.hpp"
#if USE_IN_JPEG
#include "error.hpp"
#include "gensio.hpp"
#include "helpere.hpp"
#include <string.h> /* memchr() */
#include <stdio.h> /* printf() */
static Image::Sampled *in_jpeg_reader(Image::Loader::UFD *ufd, SimBuffer::Flat const&) {
// Error::sev(Error::EERROR) << "Cannot load JPEG images yet." << (Error*)0;
HelperE helper("djpeg"); /* Run external process `djpeg' to convert JPEG -> PNM */
Encoder::writeFrom(*(Filter::PipeE*)&helper, *(Filter::UngetFILED*)ufd);
((Filter::PipeE*)&helper)->vi_write(0,0); /* Signal EOF */
return helper.getImg();
}
static Image::Loader::reader_t in_jpeg_checker(char buf[Image::Loader::MAGIC_LEN], char [Image::Loader::MAGIC_LEN], SimBuffer::Flat const& loadHints, Image::Loader::UFD*) {
return (0==memcmp(buf, "\xff\xd8", 2)) && loadHints.findFirst((char const*)",asis,",6)==loadHints.getLength()
? in_jpeg_reader : 0;
}
#else
#define in_jpeg_checker (Image::Loader::checker_t)NULLP
#endif /* USE_IN_XPM */
Image::Loader in_jpeg_loader = { "JPEG", in_jpeg_checker, 0 };
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