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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*-
* test-display:
*
* Copyright (C) 2002 Dom Lachowicz
*
* This program is released into the PUBLIC DOMAIN, and is meant to be a
* useful example if how to draw a SVG image inside of a GtkWidget. This
* program is free software; you can redistribute it and/or modify it at your
* will.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE
*
* Simple utility to view a SVG file inside of a GtkWindow
*
* To compile, basically:
* gcc `pkg-config --cflags --libs gtk+-2.0 librsvg-2.0` -lpopt -o svg-display test-display.c
*/
#include "config.h"
#include "rsvg.h"
#include <stdio.h>
#include <stdlib.h>
#include <popt.h>
#include <gtk/gtk.h>
static void
quit_cb (GtkWidget *win, gpointer unused)
{
/* exit the main loop */
gtk_main_quit();
}
static void
view_pixbuf (GdkPixbuf * pixbuf)
{
GtkWidget *win, *img;
/* create toplevel window and set its title */
win = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW(win), "SVG Viewer");
/* exit when 'X' is clicked */
g_signal_connect(G_OBJECT(win), "destroy", G_CALLBACK(quit_cb), NULL);
/* create a new image */
img = gtk_image_new_from_pixbuf (pixbuf);
/* pack the window with the image */
gtk_container_add(GTK_CONTAINER(win), img);
gtk_widget_show_all (win);
}
int
main (int argc, char **argv)
{
poptContext popt_context;
double x_zoom = 1.0;
double y_zoom = 1.0;
double dpi = -1.0;
int width = -1;
int height = -1;
int bVersion = 0;
struct poptOption options_table[] = {
{ "dpi" , 'd', POPT_ARG_DOUBLE, &dpi, 0, "Pixels Per Inch", "<float>"},
{ "x-zoom", 'x', POPT_ARG_DOUBLE, &x_zoom, 0, "x zoom factor", "<float>" },
{ "y-zoom", 'y', POPT_ARG_DOUBLE, &y_zoom, 0, "y zoom factor", "<float>" },
{ "width", 'w', POPT_ARG_INT, &width, 0, "width", "<int>" },
{ "height", 'h', POPT_ARG_INT, &height, 0, "height", "<int>" },
{ "version", 'v', POPT_ARG_NONE, &bVersion, 0, "show version information", NULL },
POPT_AUTOHELP
POPT_TABLEEND
};
int c;
const char * const *args;
gint n_args = 0;
GdkPixbuf *pixbuf;
popt_context = poptGetContext ("svg-display", argc, (const char **)argv, options_table, 0);
poptSetOtherOptionHelp(popt_context, "[OPTIONS...] file.svg");
c = poptGetNextOpt (popt_context);
args = poptGetArgs (popt_context);
if (bVersion != 0)
{
printf ("svg-display version %s\n", VERSION);
return 0;
}
if (args)
{
while (args[n_args] != NULL)
n_args++;
}
if (n_args != 1)
{
poptPrintHelp (popt_context, stderr, 0);
poptFreeContext (popt_context);
return 1;
}
/* initialize gtk+ */
gtk_init (&argc, &argv) ;
if (dpi > 0.)
rsvg_set_default_dpi (dpi);
/* if both are unspecified, assume user wants to zoom the pixbuf in at least 1 dimension */
if (width == -1 && height == -1)
pixbuf = rsvg_pixbuf_from_file_at_zoom (args[0], x_zoom, y_zoom, NULL);
/* if both are unspecified, assume user wants to resize pixbuf in at least 1 dimension */
else if (x_zoom == 1.0 && y_zoom == 1.0)
pixbuf = rsvg_pixbuf_from_file_at_size (args[0], width, height, NULL);
else
/* assume the user wants to zoom the pixbuf, but cap the maximum size */
pixbuf = rsvg_pixbuf_from_file_at_zoom_with_max (args[0], x_zoom, y_zoom,
width, height, NULL);
poptFreeContext (popt_context);
if (!pixbuf)
{
fprintf (stderr, "Error displaying pixbuf!\n");
return 1;
}
view_pixbuf (pixbuf);
/* run the gtk+ main loop */
gtk_main ();
g_object_unref (G_OBJECT(pixbuf));
return 0;
}
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