11 static GtkTreeStore *archives;
12 static GtkBuilder *builder;
14 static GtkWidget *canvas;
15 static LBX_IMG *image;
16 /* LBX images can have up to three palettes, with each superseding the last. */
17 static struct lbx_colour palette_external[256];
18 static struct lbx_colour palette_internal[256];
19 static struct lbx_colour palette_override[256];
23 void play_toggled(GtkToggleButton *button, gpointer data)
25 gboolean active = gtk_toggle_button_get_active(button);
28 if (active && !image) {
29 gtk_toggle_button_set_active(button, FALSE);
33 spin = GTK_WIDGET(gtk_builder_get_object(builder, "framespin"));
34 gtk_widget_set_sensitive(spin, !active);
37 gtk_spin_button_set_value(GTK_SPIN_BUTTON(spin), 0);
41 static void get_colour(unsigned char index, unsigned char out[static 3])
43 struct lbx_colour *colour;
45 if (palette_override[index].active)
46 colour = palette_override + index;
47 else if (palette_internal[index].active)
48 colour = palette_internal + index;
49 else if (palette_external[index].active)
50 colour = palette_external + index;
52 colour = &(struct lbx_colour) { .red = 0xff, .blue = 0xff };
55 out[1] = colour->green;
56 out[2] = colour->blue;
59 static int render_frame(LBX_IMG *img, GdkPixbuf *buf, unsigned frame)
61 unsigned char **imgdata, **imgmask;
62 struct lbx_imginfo info;
66 lbximg_getinfo(image, &info);
67 imgdata = lbximg_getframe(image, frame);
69 printf("failed to decode frame %u\n", frame);
72 imgmask = lbximg_getmask(image);
74 data = gdk_pixbuf_get_pixels(buf);
75 stride = gdk_pixbuf_get_rowstride(buf);
77 for (unsigned i = 0; i < info.height; i++) {
78 unsigned char (*p)[3] = (void *)(data + i*stride);
80 for (unsigned j = 0; j < info.width; j++) {
82 get_colour(imgdata[i][j], p[j]);
94 void set_frame(GtkSpinButton *spin, gpointer data)
96 unsigned frame = gtk_spin_button_get_value_as_int(spin);
98 render_frame(image, framebuf, frame);
99 gdk_window_invalidate_rect(canvas->window, NULL, FALSE);
102 static void tick(void *p, double delta)
104 static double elapsed = 0;
105 double seconds_per_frame = 1.0/15;
106 struct lbx_imginfo info;
108 GtkToggleButton *play;
114 lbximg_getinfo(image, &info);
115 spin = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "framespin"));
116 play = GTK_TOGGLE_BUTTON(gtk_builder_get_object(builder, "playbutton"));
118 frame = gtk_spin_button_get_value_as_int(spin);
119 if (!gtk_toggle_button_get_active(play))
123 while (elapsed > seconds_per_frame) {
124 elapsed -= seconds_per_frame;
126 if (++frame >= info.nframes) {
128 gtk_toggle_button_set_active(play, FALSE);
132 frame = info.loopstart;
135 gtk_spin_button_set_value(spin, frame);
139 static gboolean timeout(gpointer data)
141 static double lasttime = INFINITY;
142 static GTimer *timer;
144 if (isinf(lasttime)) {
145 timer = g_timer_new();
150 double time = g_timer_elapsed(timer, NULL);
152 tick(data, time - lasttime);
159 gboolean canvas_expose(GtkWidget *canvas, GdkEventExpose *event, gpointer data)
164 gdk_draw_pixbuf(canvas->window, NULL, framebuf,
165 event->area.x, event->area.y, event->area.x, event->area.y,
166 event->area.width, event->area.height,
167 GDK_RGB_DITHER_NORMAL, 0, 0);
172 static int init_framedata(void)
174 struct lbx_imginfo info;
177 lbximg_getinfo(image, &info);
178 framebuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
179 info.width, info.height);
181 printf("failed to allocate pixbuf\n");
185 gtk_widget_set_size_request(canvas, info.width, info.height);
187 spin = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "framespin"));
188 gtk_spin_button_set_range(spin, 0, info.nframes-1);
189 gtk_spin_button_set_value(spin, 0);
190 set_frame(spin, NULL);
194 static int img_close(void *handle)
196 lbx_file_close(handle);
200 void set_image_data(GtkComboBox *combo)
207 if (!gtk_combo_box_get_active_iter(combo, &iter))
210 gtk_tree_model_get(GTK_TREE_MODEL(archives), &iter,
215 f = lbx_file_open(lbx, index);
217 struct lbx_imginfo info;
219 image = lbximg_open(f, &lbx_arch_fops, img_close);
221 memset(palette_internal, 0, sizeof palette_internal);
222 if (lbximg_getpalette(image, palette_internal) == -1) {
227 if (init_framedata() == -1) {
240 void show_about(GtkWidget *widget)
242 GtkWindow *parent = GTK_WINDOW(gtk_widget_get_toplevel(widget));
244 gtk_show_about_dialog(parent,
245 "name", g_get_application_name(),
246 "version", PACKAGE_VERSION,
247 "copyright", "Copyright \xc2\xa9 2010 Nick Bowler",
248 "website", "http://toom.sourceforge.net/",
252 int load_archive(const char *path)
255 GtkTreeIter iter1, iter2;
259 lbx = lbx_fopen(path);
263 basename = g_path_get_basename(path);
264 gtk_tree_store_append(archives, &iter1, NULL);
265 gtk_tree_store_set(archives, &iter1,
271 nfiles = lbx_numfiles(lbx);
272 for (unsigned i = 0; i < nfiles; i++) {
273 struct lbx_statbuf stat;
275 lbx_stat(lbx, i, &stat);
276 gtk_tree_store_append(archives, &iter2, &iter1);
277 gtk_tree_store_set(archives, &iter2,
287 void load_error(const char *name, GtkWindow *window)
291 dialog = gtk_message_dialog_new(window,
295 "Failed to open %s. Decent error messages coming eventually.",
297 gtk_dialog_run(GTK_DIALOG(dialog));
298 gtk_widget_destroy(dialog);
301 void open_archive(GtkWidget *widget)
303 GtkWindow *window = GTK_WINDOW(gtk_widget_get_toplevel(widget));
304 GtkFileFilter *lbxfilter, *allfilter;
305 GtkFileChooser *chooser;
308 chooser = GTK_FILE_CHOOSER(gtk_file_chooser_dialog_new(
311 GTK_FILE_CHOOSER_ACTION_OPEN,
312 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
313 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
316 lbxfilter = gtk_file_filter_new();
317 gtk_file_filter_set_name(lbxfilter, "LBX Archives (*.lbx)");
318 gtk_file_filter_add_pattern(lbxfilter, "*.lbx");
320 allfilter = gtk_file_filter_new();
321 gtk_file_filter_set_name(allfilter, "All Files");
322 gtk_file_filter_add_pattern(allfilter, "*");
324 gtk_file_chooser_add_filter(chooser, lbxfilter);
325 gtk_file_chooser_add_filter(chooser, allfilter);
327 while (gtk_dialog_run(GTK_DIALOG(chooser)) == GTK_RESPONSE_ACCEPT) {
328 gchar *name = gtk_file_chooser_get_filename(chooser);
330 if (load_archive(name) == 0) {
335 load_error(name, GTK_WINDOW(chooser));
339 gtk_widget_destroy(GTK_WIDGET(chooser));
342 static void interface_init(void)
344 GtkTreeViewColumn *column;
345 GtkCellRenderer *renderer;
349 renderer = gtk_cell_renderer_text_new();
350 column = gtk_tree_view_column_new();
351 gtk_tree_view_column_pack_start(column, renderer, TRUE);
352 gtk_tree_view_column_add_attribute(column, renderer, "text", 0);
354 tree = GTK_TREE_VIEW(gtk_builder_get_object(builder, "treeview"));
355 gtk_tree_view_set_model(tree, GTK_TREE_MODEL(archives));
356 gtk_tree_view_append_column(tree, column);
358 combo = GTK_COMBO_BOX(gtk_builder_get_object(builder, "imagechooser"));
359 gtk_combo_box_set_model(combo, GTK_TREE_MODEL(archives));
360 gtk_combo_box_entry_set_text_column(GTK_COMBO_BOX_ENTRY(combo), 0);
363 int main(int argc, char **argv)
368 if (!gtk_init_with_args(&argc, &argv, NULL, NULL, NULL, &err)) {
369 fprintf(stderr, "%s\n", err->message);
373 archives = gtk_tree_store_new(3,
374 G_TYPE_STRING, G_TYPE_POINTER, G_TYPE_UINT);
376 load_archive(*argv++);
378 builder = gtk_builder_new();
379 if (!gtk_builder_add_from_file(builder, "src/gui/lbxgui.glade", &err)) {
380 fprintf(stderr, "%s\n", err->message);
384 window = GTK_WIDGET(gtk_builder_get_object(builder, "mainwindow"));
385 canvas = GTK_WIDGET(gtk_builder_get_object(builder, "canvas"));
388 gtk_builder_connect_signals(builder, window);
390 g_timeout_add(33, timeout, NULL);
391 gtk_widget_show_all(window);