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/* $Id: gvloadimage_core.c,v 1.37 2009/06/03 01:10:56 ellson Exp $ $Revision: 1.37 $ */
/* vim:set shiftwidth=4 ts=8: */
/**********************************************************
* This software is part of the graphviz package *
* http://www.graphviz.org/ *
* *
* Copyright (c) 1994-2004 AT&T Corp. *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Corp. *
* *
* Information and Software Systems Research *
* AT&T Research, Florham Park NJ *
**********************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#if HAVE_SYS_MMAN_H
#include <sys/mman.h>
#endif
#ifdef _MSC_VER
#include <io.h>
#endif
#include "gvplugin_loadimage.h"
#include "agxbuf.h"
#include "utils.h"
#include "gvio.h"
extern void core_loadimage_xdot(GVJ_t*, usershape_t*, boxf, boolean);
extern shape_desc *find_user_shape(char *name);
typedef enum {
FORMAT_PNG_XDOT, FORMAT_GIF_XDOT, FORMAT_JPEG_XDOT, FORMAT_SVG_XDOT, FORMAT_PS_XDOT,
FORMAT_PNG_DOT, FORMAT_GIF_DOT, FORMAT_JPEG_DOT, FORMAT_SVG_DOT, FORMAT_PS_DOT,
FORMAT_PNG_MAP, FORMAT_GIF_MAP, FORMAT_JPEG_MAP, FORMAT_SVG_MAP, FORMAT_PS_MAP,
FORMAT_PNG_SVG, FORMAT_GIF_SVG, FORMAT_JPEG_SVG, FORMAT_SVG_SVG,
FORMAT_PNG_FIG, FORMAT_GIF_FIG, FORMAT_JPEG_FIG,
FORMAT_PNG_VRML, FORMAT_GIF_VRML, FORMAT_JPEG_VRML,
FORMAT_PS_PS, FORMAT_PSLIB_PS,
} format_type;
static void core_loadimage_svg(GVJ_t * job, usershape_t *us, boxf b, boolean filled)
{
assert(job);
assert(us);
assert(us->name);
gvputs(job, "<image xlink:href=\"");
gvputs(job, us->name);
if (job->rotation) {
gvprintf (job, "\" width=\"%gpx\" height=\"%gpx\" preserveAspectRatio=\"xMidYMid meet\" x=\"%g\" y=\"%g\"",
b.UR.y - b.LL.y, b.UR.x - b.LL.x, b.LL.x, b.UR.y);
gvprintf (job, " transform=\"rotate(%d %g %g)\"",
job->rotation, b.LL.x, b.UR.y);
}
else {
gvprintf (job, "\" width=\"%gpx\" height=\"%gpx\" preserveAspectRatio=\"xMinYMin meet\" x=\"%g\" y=\"%g\"",
b.UR.x - b.LL.x, b.UR.y - b.LL.y, b.LL.x, -b.UR.y);
}
gvputs(job, "/>\n");
}
static void core_loadimage_fig(GVJ_t * job, usershape_t *us, boxf bf, boolean filled)
{
int object_code = 2; /* always 2 for polyline */
int sub_type = 5; /* always 5 for image */
int line_style = 0; /* solid, dotted, dashed */
int thickness = 0;
int pen_color = 0;
int fill_color = -1;
int depth = 1;
int pen_style = -1; /* not used */
int area_fill = 0;
double style_val = 0.0;
int join_style = 0;
int cap_style = 0;
int radius = 0;
int forward_arrow = 0;
int backward_arrow = 0;
int npoints = 5;
int flipped = 0;
box b;
assert(job);
assert(us);
assert(us->name);
BF2B(bf, b);
gvprintf(job, "%d %d %d %d %d %d %d %d %d %.1f %d %d %d %d %d %d\n %d %s\n",
object_code, sub_type, line_style, thickness, pen_color,
fill_color, depth, pen_style, area_fill, style_val, join_style,
cap_style, radius, forward_arrow, backward_arrow, npoints,
flipped, us->name);
gvprintf(job," %d %d %d %d %d %d %d %d %d %d\n",
b.LL.x, b.LL.y,
b.LL.x, b.UR.y,
b.UR.x, b.UR.y,
b.UR.x, b.LL.y,
b.LL.x, b.LL.y);
}
static void core_loadimage_vrml(GVJ_t * job, usershape_t *us, boxf b, boolean filled)
{
obj_state_t *obj;
node_t *n;
assert(job);
obj = job->obj;
assert(obj);
assert(us);
assert(us->name);
n = job->obj->u.n;
assert(n);
gvprintf(job, "Shape {\n");
gvprintf(job, " appearance Appearance {\n");
gvprintf(job, " material Material {\n");
gvprintf(job, " ambientIntensity 0.33\n");
gvprintf(job, " diffuseColor 1 1 1\n");
gvprintf(job, " }\n");
gvprintf(job, " texture ImageTexture { url \"%s\" }\n", us->name);
gvprintf(job, " }\n");
gvprintf(job, "}\n");
}
static void ps_freeimage(usershape_t *us)
{
#if HAVE_SYS_MMAN_H
munmap(us->data, us->datasize);
#else
free(us->data);
#endif
}
/* usershape described by a postscript file */
static void core_loadimage_ps(GVJ_t * job, usershape_t *us, boxf b, boolean filled)
{
assert(job);
assert(us);
assert(us->name);
if (us->data) {
if (us->datafree != ps_freeimage) {
us->datafree(us); /* free incompatible cache data */
us->data = NULL;
us->datafree = NULL;
us->datasize = 0;
}
}
if (!us->data) { /* read file into cache */
int fd;
struct stat statbuf;
if (!gvusershape_file_access(us))
return;
fd = fileno(us->f);
switch (us->type) {
case FT_PS:
case FT_EPS:
fstat(fd, &statbuf);
us->datasize = statbuf.st_size;
#if HAVE_SYS_MMAN_H
us->data = mmap(0, statbuf.st_size, PROT_READ, MAP_SHARED, fd, 0);
#else
us->data = malloc(statbuf.st_size);
read(fd, us->data, statbuf.st_size);
#endif
us->must_inline = TRUE;
break;
default:
break;
}
if (us->data)
us->datafree = ps_freeimage;
gvusershape_file_release(us);
}
if (us->data) {
gvprintf(job, "gsave %g %g translate newpath\n",
b.LL.x - (double)(us->x), b.LL.y - (double)(us->y));
if (us->must_inline)
epsf_emit_body(job, us);
else
gvprintf(job, "user_shape_%d\n", us->macro_id);
gvprintf(job, "grestore\n");
}
}
/* usershape described by a member of a postscript library */
static void core_loadimage_pslib(GVJ_t * job, usershape_t *us, boxf b, boolean filled)
{
int i;
pointf AF[4];
shape_desc *shape;
assert(job);
assert(us);
assert(us->name);
if ((shape = (shape_desc*)us->data)) {
AF[0] = b.LL;
AF[2] = b.UR;
AF[1].x = AF[0].x;
AF[1].y = AF[2].y;
AF[3].x = AF[2].x;
AF[3].y = AF[0].y;
if (filled) {
// ps_begin_context();
// ps_set_color(S[SP].fillcolor);
gvprintf(job, "[ ");
for (i = 0; i < 4; i++)
gvprintf(job, "%g %g ", AF[i].x, AF[i].y);
gvprintf(job, "%g %g ", AF[0].x, AF[0].y);
gvprintf(job, "] %d true %s\n", 4, us->name);
// ps_end_context();
}
gvprintf(job, "[ ");
for (i = 0; i < 4; i++)
gvprintf(job, "%g %g ", AF[i].x, AF[i].y);
gvprintf(job, "%g %g ", AF[0].x, AF[0].y);
gvprintf(job, "] %d false %s\n", 4, us->name);
}
}
void core_loadimage_null(GVJ_t *gvc, usershape_t *us, boxf b, boolean filled)
{
/* null function - basically suppress the missing loader message */
}
static gvloadimage_engine_t engine_svg = {
core_loadimage_svg
};
static gvloadimage_engine_t engine_fig = {
core_loadimage_fig
};
static gvloadimage_engine_t engine_vrml = {
core_loadimage_vrml
};
static gvloadimage_engine_t engine_ps = {
core_loadimage_ps
};
static gvloadimage_engine_t engine_pslib = {
core_loadimage_pslib
};
static gvloadimage_engine_t engine_null = {
core_loadimage_null
};
static gvloadimage_engine_t engine_xdot = {
core_loadimage_xdot
};
gvplugin_installed_t gvloadimage_core_types[] = {
{FORMAT_PNG_SVG, "png:svg", 1, &engine_svg, NULL},
{FORMAT_GIF_SVG, "gif:svg", 1, &engine_svg, NULL},
{FORMAT_JPEG_SVG, "jpeg:svg", 1, &engine_svg, NULL},
{FORMAT_JPEG_SVG, "jpe:svg", 1, &engine_svg, NULL},
{FORMAT_JPEG_SVG, "jpg:svg", 1, &engine_svg, NULL},
{FORMAT_PNG_FIG, "png:fig", 1, &engine_fig, NULL},
{FORMAT_GIF_FIG, "gif:fig", 1, &engine_fig, NULL},
{FORMAT_JPEG_FIG, "jpeg:fig", 1, &engine_fig, NULL},
{FORMAT_JPEG_FIG, "jpe:fig", 1, &engine_fig, NULL},
{FORMAT_JPEG_FIG, "jpg:fig", 1, &engine_fig, NULL},
{FORMAT_PNG_VRML, "png:vrml", 1, &engine_vrml, NULL},
{FORMAT_GIF_VRML, "gif:vrml", 1, &engine_vrml, NULL},
{FORMAT_JPEG_VRML, "jpeg:vrml", 1, &engine_vrml, NULL},
{FORMAT_JPEG_VRML, "jpe:vrml", 1, &engine_vrml, NULL},
{FORMAT_JPEG_VRML, "jpg:vrml", 1, &engine_vrml, NULL},
{FORMAT_PS_PS, "eps:ps", 1, &engine_ps, NULL},
{FORMAT_PS_PS, "eps:lasi", 1, &engine_ps, NULL},
{FORMAT_PS_PS, "ps:ps", 1, &engine_ps, NULL},
{FORMAT_PS_PS, "ps:lasi", 1, &engine_ps, NULL},
{FORMAT_PSLIB_PS, "(lib):ps", 1, &engine_pslib, NULL}, /* for pslib */
{FORMAT_PNG_MAP, "png:map", 1, &engine_null, NULL},
{FORMAT_GIF_MAP, "gif:map", 1, &engine_null, NULL},
{FORMAT_JPEG_MAP, "jpeg:map", 1, &engine_null, NULL},
{FORMAT_JPEG_MAP, "jpe:map", 1, &engine_null, NULL},
{FORMAT_JPEG_MAP, "jpg:map", 1, &engine_null, NULL},
{FORMAT_PS_MAP, "ps:map", 1, &engine_null, NULL},
{FORMAT_PS_MAP, "eps:map", 1, &engine_null, NULL},
{FORMAT_SVG_MAP, "svg:map", 1, &engine_null, NULL},
{FORMAT_PNG_DOT, "png:dot", 1, &engine_null, NULL},
{FORMAT_GIF_DOT, "gif:dot", 1, &engine_null, NULL},
{FORMAT_JPEG_DOT, "jpeg:dot", 1, &engine_null, NULL},
{FORMAT_JPEG_DOT, "jpe:dot", 1, &engine_null, NULL},
{FORMAT_JPEG_DOT, "jpg:dot", 1, &engine_null, NULL},
{FORMAT_PS_DOT, "ps:dot", 1, &engine_null, NULL},
{FORMAT_PS_DOT, "eps:dot", 1, &engine_null, NULL},
{FORMAT_SVG_DOT, "svg:dot", 1, &engine_null, NULL},
{FORMAT_PNG_XDOT, "png:xdot", 1, &engine_xdot, NULL},
{FORMAT_GIF_XDOT, "gif:xdot", 1, &engine_xdot, NULL},
{FORMAT_JPEG_XDOT, "jpeg:xdot", 1, &engine_xdot, NULL},
{FORMAT_JPEG_XDOT, "jpe:xdot", 1, &engine_xdot, NULL},
{FORMAT_JPEG_XDOT, "jpg:xdot", 1, &engine_xdot, NULL},
{FORMAT_PS_XDOT, "ps:xdot", 1, &engine_xdot, NULL},
{FORMAT_PS_XDOT, "eps:xdot", 1, &engine_xdot, NULL},
{FORMAT_SVG_XDOT, "svg:xdot", 1, &engine_xdot, NULL},
{FORMAT_SVG_SVG, "svg:svg", 1, &engine_svg, NULL},
{0, NULL, 0, NULL, NULL}
};
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