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#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include "shmfile.h"
#include "timeout.h"
#include <Eina.h>
#include <librsvg/rsvg.h>
#ifndef LIBRSVG_CHECK_VERSION
# include <librsvg/librsvg-features.h>
#endif
#if LIBRSVG_CHECK_VERSION(2,36,2)
#else
# include <librsvg/rsvg-cairo.h>
#endif
#define DATA32 unsigned int
static RsvgHandle *rsvg = NULL;
static int width = 0;
static int height = 0;
static RsvgDimensionData dim;
static inline Eina_Bool evas_image_load_file_is_svg(const char *file)
{
int i, len = strlen(file);
Eina_Bool is_gz = EINA_FALSE;
for (i = len - 1; i > 0; i--)
{
if (file[i] == '.')
{
if (is_gz)
break;
else if (strcasecmp(file + i + 1, "gz") == 0)
is_gz = EINA_TRUE;
else
break;
}
}
if (i < 1) return EINA_FALSE;
i++;
if (i >= len) return EINA_FALSE;
if (strncasecmp(file + i, "svg", 3) != 0) return EINA_FALSE;
i += 3;
if (is_gz)
{
if (file[i] == '.') return EINA_TRUE;
else return EINA_FALSE;
}
else
{
if (file[i] == '\0') return EINA_TRUE;
else if (((file[i] == 'z') || (file[i] == 'Z')) && (!file[i + 1])) return EINA_TRUE;
else return EINA_FALSE;
}
}
static int
_svg_init(const char *file)
{
#ifdef HAVE_SVG_2_36
# if !defined(GLIB_VERSION_2_36)
g_type_init();
# endif
#else
rsvg_init();
#endif
if (!evas_image_load_file_is_svg(file)) return 0;
rsvg = rsvg_handle_new_from_file(file, NULL);
return 1;
}
static void
_svg_shutdown(void)
{
if (rsvg)
{
rsvg_handle_close(rsvg, NULL);
g_object_unref(rsvg);
}
// Maybe it's not crashing anymore, let's try it.
#ifndef HAVE_SVG_2_36
rsvg_term();
#endif
}
static int
read_svg_header(int scale_down, double dpi, int size_w, int size_h)
{
rsvg_handle_set_dpi(rsvg, 75.0);
rsvg_handle_get_dimensions(rsvg, &dim);
width = dim.width;
height = dim.height;
if ((width < 1) || (height < 1)) return 0;
if (scale_down > 1)
{
width /= scale_down;
height /= scale_down;
}
else if (dpi > 0.0)
{
width = (width * dpi) / 75;
height = (height * dpi) / 75;
}
else if (size_w > 0 && size_h > 0)
{
int w, h;
w = size_w;
h = (size_w * height) / width;
if (h > size_h)
{
h = size_h;
w = (size_h * width) / height;
}
width = w;
height = h;
}
if (width < 1) width = 1;
if (height < 1) height = 1;
return 1;
}
static int
read_svg_data(void)
{
cairo_surface_t *surface;
cairo_t *cr;
shm_alloc(width * height * (sizeof(DATA32)));
if (!shm_addr) return 0;
memset(shm_addr, 0, width * height * sizeof (DATA32));
surface = cairo_image_surface_create_for_data((unsigned char *)shm_addr, CAIRO_FORMAT_ARGB32,
width, height, width * sizeof(DATA32));;
if (!surface) return 0;
cr = cairo_create(surface);
if (!cr) return 0;
cairo_scale(cr, (double) width / dim.em, (double) height / dim.ex);
rsvg_handle_render_cairo(rsvg, cr);
cairo_surface_destroy(surface);
cairo_destroy(cr);
return 1;
}
int main(int argc, char **argv)
{
char *file;
int i;
int head_only = 0;
int scale_down = 0;
double dpi = 0.0;
int size_w = 0, size_h = 0;
if (argc < 2) return -1;
file = argv[1];
for (i = 2; i < argc; ++i)
{
if (!strcmp(argv[i], "-head"))
head_only = 1;
else if (!strcmp(argv[i], "-key"))
{ // not used by svg loader
i++;
// const char *key = argv[i];
}
else if (!strcmp(argv[i], "-opt-scale-down-by"))
{
i++;
scale_down = atoi(argv[i]);
}
else if (!strcmp(argv[i], "-opt-dpi"))
{
i++;
dpi = ((double)atoi(argv[i])) / 1000.0;
}
else if (!strcmp(argv[i], "-opt-size"))
{
i++;
size_w = atoi(argv[i]);
i++;
size_h = atoi(argv[i]);
}
}
timeout_init(5);
if (!_svg_init(file)) return -1;
if (!read_svg_header(scale_down, dpi, size_w, size_h)) return -1;
if (head_only != 0)
{
printf("size %d %d\n", width, height);
printf("alpha 1\n");
printf("done\n");
}
else
{
if (read_svg_data())
{
printf("size %d %d\n", width, height);
printf("alpha 1\n");
if (shm_fd >= 0) printf("shmfile %s\n", shmfile);
else
{
printf("data\n");
fwrite(shm_addr, width * height * sizeof(DATA32), 1, stdout);
}
shm_free();
}
}
_svg_shutdown();
return 0;
}
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