mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-07-16 09:04:38 +00:00
139 lines
3.9 KiB
C
139 lines
3.9 KiB
C
/*
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* Very simple program, that has been used by us
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* (V. Babin <babin :at: users.sourceforge.net> and
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* S. Kondrat <valiska :at: users.sourceforge.net>)
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* during toying with libmng (http://www.libmng.com)
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*
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* License: GPL :-))
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*
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* 7 July 2001: added key-press/button-press handling to exit viewer without
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* window-manager help; added libmng version info [Greg Roelofs]
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*/
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <gtk/gtk.h>
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#include "gtk-mng-view.h"
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#define BLOCK_SIZE 4096
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static guint
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read_file (const gchar* file_name, guchar ** ptr)
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{
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gint fd;
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guint size = 0;
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guint bytes_read = 0;
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if ((fd = open (file_name, O_RDONLY)) == -1)
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{
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perror (file_name);
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* ptr = NULL;
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return 0;
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}
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* ptr = g_new (guchar, BLOCK_SIZE);
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while ((bytes_read = read (fd, * ptr + size, BLOCK_SIZE)))
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{
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size += bytes_read;
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* ptr = (guchar *) g_realloc (* ptr, size + BLOCK_SIZE);
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}
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close (fd);
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* ptr = (guchar *) g_realloc (* ptr, size);
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return size;
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}
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int
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main (int argc, char ** argv)
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{
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GtkMngView * mng_view;
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GtkWidget * window;
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GtkWidget * align;
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GtkWidget * frame;
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guchar * mng_data = NULL;
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guint mng_data_size;
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if (argc < 2)
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{
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g_print ("Usage: %s <file.mng>\n\n", argv[0]);
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g_print (" Compiled with GTK+ %d.%d.%d; using GTK+ %d.%d.%d.\n",
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GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION,
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gtk_major_version, gtk_minor_version, gtk_micro_version);
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#ifdef GDK_PIXBUF_VERSION
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g_print (" Compiled with gdk-pixbuf %s; using gdk-pixbuf %s.\n",
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GDK_PIXBUF_VERSION, gdk_pixbuf_version);
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#endif
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g_print (" Compiled with libmng %s; using libmng %s.\n",
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MNG_VERSION_TEXT, mng_version_text());
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g_print (" Compiled with zlib %s; using zlib %s.\n",
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ZLIB_VERSION, zlib_version);
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#ifdef JPEG_LIB_VERSION
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{
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int major = JPEG_LIB_VERSION / 10;
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int minor = JPEG_LIB_VERSION % 10;
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char minoralpha[2];
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if (minor)
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{
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minoralpha[0] = (char)(minor - 1 + 'a');
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minoralpha[1] = '\0';
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}
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else
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minoralpha[0] = '\0';
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g_print (" Compiled with libjpeg %d%s.\n", major, minoralpha);
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}
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#endif
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g_print ("\nPress Esc or Q, or click mouse button, to quit.\n");
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return 1;
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}
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mng_data_size = read_file (* (argv + 1), &mng_data);
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if (mng_data == NULL)
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return 1;
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gtk_init (&argc, &argv);
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gdk_rgb_init ();
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gdk_rgb_set_verbose (TRUE);
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gtk_widget_set_default_visual (gdk_rgb_get_visual ());
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gtk_widget_set_default_colormap (gdk_rgb_get_cmap ());
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window = gtk_widget_new (GTK_TYPE_WINDOW,
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"GtkWindow::type", GTK_WINDOW_TOPLEVEL,
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"GtkWindow::title", "MNG animation",
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"GtkContainer::border_width", 5,
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NULL);
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gtk_signal_connect (GTK_OBJECT (window), "delete_event",
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GTK_SIGNAL_FUNC (gtk_main_quit), NULL);
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gtk_signal_connect (GTK_OBJECT (window), "destroy",
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GTK_SIGNAL_FUNC (gtk_main_quit), NULL);
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/* any keypress (e.g., Esc or Q) or mouse-button click will quit viewer */
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gtk_signal_connect (GTK_OBJECT (window), "key_press_event",
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GTK_SIGNAL_FUNC (gtk_main_quit), NULL);
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gtk_widget_add_events(window, GDK_BUTTON_PRESS_MASK);
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gtk_signal_connect (GTK_OBJECT (window), "button_press_event",
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GTK_SIGNAL_FUNC (gtk_main_quit), NULL);
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align = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
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gtk_container_add (GTK_CONTAINER (window), align);
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frame = gtk_frame_new (NULL);
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gtk_container_add (GTK_CONTAINER (align), frame);
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/* actually it */
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mng_view = GTK_MNG_VIEW (gtk_mng_view_new ());
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gtk_container_add (GTK_CONTAINER (frame), GTK_WIDGET (mng_view));
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gtk_mng_view_load_mng_from_memory (mng_view, mng_data, mng_data_size);
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g_free (mng_data);
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/* rest in piece */
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gtk_widget_show_all (window);
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gtk_main ();
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return 0;
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}
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