#include <unistd.h>#include <stdio.h>#include <stdlib.h>#include <jpeglib.h>#undef HAVE_STDLIB_H#include <libxml/parser.h>#include "config.h"#include "jpeg.h"#include "image.h"#define MODULE_GENERIC#include "module.h"#include "xmlhelp.h"#include "mod_handle.h"static void j_id(struct jpeg_compress_struct *);static boolean j_eob(struct jpeg_compress_struct *);static void j_td(struct jpeg_compress_struct *);struct jpeg_ctx{	struct jpeg_destination_mgr jdm;	char *buf;	int bufsize;};char *name = "jpeg_comp";char *version = VERSION;static int defqual;intinit(struct module_ctx *ctx){	xmlNodePtr node;		defqual = 75;		node = ctx->node;	if (node)	{		for (node = node->xml_children; node; node = node->next)		{			if (xml_isnode(node, "quality"))				defqual = xml_atoi(node, defqual);		}	}		return 0;}staticvoidj_id(struct jpeg_compress_struct *cinfo){}staticbooleanj_eob(struct jpeg_compress_struct *cinfo){	struct jpeg_ctx *jctx;	int filled;		jctx = (struct jpeg_ctx *) cinfo->dest;	filled = jctx->bufsize - jctx->jdm.free_in_buffer;	jctx->buf = realloc(jctx->buf, jctx->bufsize * 2);	jctx->jdm.next_output_byte = jctx->buf + filled;	jctx->jdm.free_in_buffer += jctx->bufsize;	jctx->bufsize *= 2;		return TRUE;}staticvoidj_td(struct jpeg_compress_struct *cinfo){}voidjpeg_compress(struct jpegbuf *dst, const struct image *src, xmlNodePtr node){	struct jpeg_compress_struct cinfo;	struct jpeg_error_mgr jerr;	JSAMPROW row;	int rownum;	struct jpeg_ctx jctx;	int qual;		qual = defqual;	if (node)	{		for (node = node->xml_children; node; node = node->next)		{			if (xml_isnode(node, "jpegqual")				|| xml_isnode(node, "jpgqual")				|| xml_isnode(node, "jpegquality")				|| xml_isnode(node, "jpgquality"))			{				qual = xml_atoi(node, qual);			}		}	}		cinfo.err = jpeg_std_error(&jerr);	jpeg_create_compress(&cinfo);		jctx.bufsize = src->bufsize;	jctx.buf = malloc(jctx.bufsize);	jctx.jdm.next_output_byte = jctx.buf;	jctx.jdm.free_in_buffer = jctx.bufsize;	jctx.jdm.init_destination = j_id;	jctx.jdm.empty_output_buffer = j_eob;	jctx.jdm.term_destination = j_td;		cinfo.dest = &jctx.jdm;		cinfo.image_width = src->x;	cinfo.image_height = src->y;	cinfo.input_components = 3;	cinfo.in_color_space = JCS_RGB;	jpeg_set_defaults(&cinfo);	jpeg_set_quality(&cinfo, qual, 1);	jpeg_start_compress(&cinfo, TRUE);		for (rownum = 0; rownum < src->y; rownum++)	{		row = src->buf + (rownum * src->x * 3);		jpeg_write_scanlines(&cinfo, &row, 1);	}	jpeg_finish_compress(&cinfo);	jpeg_destroy_compress(&cinfo);		dst->bufsize = jctx.bufsize - jctx.jdm.free_in_buffer;	dst->buf = malloc(dst->bufsize);	memcpy(dst->buf, jctx.buf, dst->bufsize);		free(jctx.buf);}