13 static GtkTreeStore *archives;
14 static GtkBuilder *builder;
16 static GtkWidget *canvas;
19 static LBX_IMG *image;
20 /* LBX images can have up to three palettes, with each superseding the last. */
21 static struct lbx_colour palette_external[256];
22 static struct lbx_colour palette_internal[256];
23 static struct lbx_colour palette_override[256];
27 void play_toggled(GtkToggleButton *button, gpointer data)
29 gboolean active = gtk_toggle_button_get_active(button);
32 if (active && !image) {
33 gtk_toggle_button_set_active(button, FALSE);
37 spin = GTK_WIDGET(gtk_builder_get_object(builder, "framespin"));
38 gtk_widget_set_sensitive(spin, !active);
41 gtk_spin_button_set_value(GTK_SPIN_BUTTON(spin), 0);
45 static void get_colour(unsigned char index, unsigned char out[static 3])
47 struct lbx_colour *colour;
49 if (palette_override[index].active)
50 colour = palette_override + index;
51 else if (palette_internal[index].active)
52 colour = palette_internal + index;
53 else if (palette_external[index].active)
54 colour = palette_external + index;
56 colour = &(struct lbx_colour) { .red = 0xff, .blue = 0xff };
59 out[1] = colour->green;
60 out[2] = colour->blue;
63 static int render_frame(LBX_IMG *img, GdkPixbuf *buf, unsigned frame)
65 unsigned char **imgdata, **imgmask;
66 struct lbx_imginfo info;
70 lbximg_getinfo(image, &info);
71 imgdata = lbximg_getframe(image, frame);
73 printf("failed to decode frame %u\n", frame);
76 imgmask = lbximg_getmask(image);
78 data = gdk_pixbuf_get_pixels(buf);
79 stride = gdk_pixbuf_get_rowstride(buf);
81 for (unsigned i = 0; i < info.height; i++) {
82 unsigned char (*p)[4] = (void *)(data + i*stride);
84 for (unsigned j = 0; j < info.width; j++) {
86 get_colour(imgdata[i][j], p[j]);
97 void set_frame(GtkSpinButton *spin, gpointer data)
99 unsigned frame = gtk_spin_button_get_value_as_int(spin);
101 render_frame(image, framebuf, frame);
102 gdk_window_invalidate_rect(canvas->window, NULL, FALSE);
105 static void tick(void *p, double delta)
107 static double elapsed = 0;
108 double seconds_per_frame = 1.0/15;
109 struct lbx_imginfo info;
111 GtkToggleButton *play;
117 lbximg_getinfo(image, &info);
118 spin = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "framespin"));
119 play = GTK_TOGGLE_BUTTON(gtk_builder_get_object(builder, "playbutton"));
121 frame = gtk_spin_button_get_value_as_int(spin);
122 if (!gtk_toggle_button_get_active(play))
126 while (elapsed > seconds_per_frame) {
127 elapsed -= seconds_per_frame;
129 if (++frame >= info.nframes) {
131 gtk_toggle_button_set_active(play, FALSE);
135 frame = info.loopstart;
138 gtk_spin_button_set_value(spin, frame);
142 static gboolean timeout(gpointer data)
144 static double lasttime = INFINITY;
145 static GTimer *timer;
147 if (isinf(lasttime)) {
148 timer = g_timer_new();
153 double time = g_timer_elapsed(timer, NULL);
155 tick(data, time - lasttime);
162 gboolean canvas_expose(GtkWidget *canvas, GdkEventExpose *event, gpointer data)
167 gdk_draw_rectangle(canvas->window, bg_gc, TRUE,
168 event->area.x, event->area.y,
169 event->area.width, event->area.height);
171 gdk_draw_pixbuf(canvas->window, NULL, framebuf,
172 event->area.x, event->area.y, event->area.x, event->area.y,
173 event->area.width, event->area.height,
174 GDK_RGB_DITHER_NORMAL, 0, 0);
179 static int init_framedata(int reset)
181 struct lbx_imginfo info;
187 lbximg_getinfo(image, &info);
188 framebuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8,
189 info.width, info.height);
191 printf("failed to allocate pixbuf\n");
195 gtk_widget_set_size_request(canvas, info.width, info.height);
197 spin = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "framespin"));
198 gtk_spin_button_set_range(spin, 0, info.nframes-1);
199 gtk_spin_button_set_value(spin, 0);
200 set_frame(spin, NULL);
204 static int img_close(void *handle)
207 gtk_widget_set_size_request(canvas, -1, -1);
208 g_object_unref(framebuf);
212 memset(palette_internal, 0, sizeof palette_internal);
213 lbx_file_close(handle);
217 void set_override_data(GtkComboBox *combo)
225 memset(palette_override, 0, sizeof palette_override);
226 if (!gtk_combo_box_get_active_iter(combo, &iter))
229 gtk_tree_model_get(GTK_TREE_MODEL(archives), &iter,
234 f = lbx_file_open(lbx, index);
236 img = lbximg_open(f, &lbx_arch_fops, NULL);
238 memset(palette_override, 0, sizeof palette_override);
239 lbximg_getpalette(img, palette_override);
250 void set_palette_data(GtkComboBox *combo)
257 memset(palette_external, 0, sizeof palette_external);
258 if (!gtk_combo_box_get_active_iter(combo, &iter))
261 gtk_tree_model_get(GTK_TREE_MODEL(archives), &iter,
266 f = lbx_file_open(lbx, index);
268 if (lbximg_loadpalette(f, &lbx_arch_fops, palette_external))
269 memset(palette_external, 0, sizeof palette_external);
276 void set_image_data(GtkComboBox *combo)
288 if (!gtk_combo_box_get_active_iter(combo, &iter))
291 gtk_tree_model_get(GTK_TREE_MODEL(archives), &iter,
296 f = lbx_file_open(lbx, index);
298 image = lbximg_open(f, &lbx_arch_fops, img_close);
300 if (lbximg_getpalette(image, palette_internal) == -1) {
305 if (init_framedata(1) == -1) {
318 void show_about(GtkWidget *widget)
320 GtkWindow *parent = GTK_WINDOW(gtk_widget_get_toplevel(widget));
322 gtk_show_about_dialog(parent,
323 "name", g_get_application_name(),
324 "version", PACKAGE_VERSION,
325 "copyright", "Copyright \xc2\xa9 2010 Nick Bowler",
326 "website", "http://toom.sourceforge.net/",
330 int load_archive(const char *path)
333 GtkTreeIter iter1, iter2;
337 lbx = lbx_fopen(path);
341 basename = g_path_get_basename(path);
342 gtk_tree_store_append(archives, &iter1, NULL);
343 gtk_tree_store_set(archives, &iter1,
349 nfiles = lbx_numfiles(lbx);
350 for (unsigned i = 0; i < nfiles; i++) {
351 struct lbx_statbuf stat;
353 lbx_stat(lbx, i, &stat);
354 gtk_tree_store_append(archives, &iter2, &iter1);
355 gtk_tree_store_set(archives, &iter2,
365 void load_error(const char *name, GtkWindow *window)
369 dialog = gtk_message_dialog_new(window,
373 "Failed to open %s. Decent error messages coming eventually.",
375 gtk_dialog_run(GTK_DIALOG(dialog));
376 gtk_widget_destroy(dialog);
379 void open_archive(GtkWidget *widget)
381 GtkWindow *window = GTK_WINDOW(gtk_widget_get_toplevel(widget));
382 GtkFileFilter *lbxfilter, *allfilter;
383 GtkFileChooser *chooser;
386 chooser = GTK_FILE_CHOOSER(gtk_file_chooser_dialog_new(
389 GTK_FILE_CHOOSER_ACTION_OPEN,
390 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
391 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
394 lbxfilter = gtk_file_filter_new();
395 gtk_file_filter_set_name(lbxfilter, "LBX Archives (*.lbx)");
396 gtk_file_filter_add_pattern(lbxfilter, "*.lbx");
397 gtk_file_filter_add_pattern(lbxfilter, "*.LBX");
399 allfilter = gtk_file_filter_new();
400 gtk_file_filter_set_name(allfilter, "All Files");
401 gtk_file_filter_add_pattern(allfilter, "*");
403 gtk_file_chooser_add_filter(chooser, lbxfilter);
404 gtk_file_chooser_add_filter(chooser, allfilter);
406 while (gtk_dialog_run(GTK_DIALOG(chooser)) == GTK_RESPONSE_ACCEPT) {
407 gchar *name = gtk_file_chooser_get_filename(chooser);
409 if (load_archive(name) == 0) {
414 load_error(name, GTK_WINDOW(chooser));
418 gtk_widget_destroy(GTK_WIDGET(chooser));
421 static void clear_combobox(GtkEntry *entry, GtkEntryIconPosition pos,
422 GdkEvent *event, gpointer data)
424 GtkComboBox *combo = data;
426 gtk_entry_set_text(entry, "");
427 gtk_combo_box_set_active(combo, -1);
431 static void init_combobox(GtkBuilder *builder, const char *name)
436 combo = GTK_COMBO_BOX(gtk_builder_get_object(builder, name));
437 gtk_combo_box_set_model(combo, GTK_TREE_MODEL(archives));
438 gtk_combo_box_entry_set_text_column(GTK_COMBO_BOX_ENTRY(combo), 0);
440 entry = GTK_ENTRY(gtk_bin_get_child(GTK_BIN(combo)));
441 g_signal_connect(G_OBJECT(entry), "icon-press",
442 G_CALLBACK(clear_combobox), combo);
443 gtk_entry_set_icon_from_stock(entry, GTK_ENTRY_ICON_SECONDARY,
447 static void interface_init(void)
449 GtkTreeViewColumn *column;
450 GtkCellRenderer *renderer;
453 renderer = gtk_cell_renderer_text_new();
454 column = gtk_tree_view_column_new();
455 gtk_tree_view_column_pack_start(column, renderer, TRUE);
456 gtk_tree_view_column_add_attribute(column, renderer, "text", 0);
458 tree = GTK_TREE_VIEW(gtk_builder_get_object(builder, "treeview"));
459 gtk_tree_view_set_model(tree, GTK_TREE_MODEL(archives));
460 gtk_tree_view_append_column(tree, column);
462 init_combobox(builder, "palettechooser");
463 init_combobox(builder, "imagechooser");
464 init_combobox(builder, "overchooser");
467 GdkBitmap *init_bg(GdkDrawable *drawable, GdkGC *gc)
469 GdkColor fg = { .red = 0x6666, .green = 0x6666, .blue = 0x6666 };
470 GdkColor bg = { .red = 0x9999, .green = 0x9999, .blue = 0x9999 };
473 bitmap = gdk_bitmap_create_from_data(drawable, bg_bits,
474 bg_width, bg_height);
476 gdk_gc_set_rgb_fg_color(gc, &fg);
477 gdk_gc_set_rgb_bg_color(gc, &bg);
478 gdk_gc_set_fill(gc, GDK_OPAQUE_STIPPLED);
479 gdk_gc_set_stipple(gc, bitmap);
480 gdk_gc_set_ts_origin(gc, 0, 0);
484 int main(int argc, char **argv)
489 if (!gtk_init_with_args(&argc, &argv, NULL, NULL, NULL, &err)) {
490 fprintf(stderr, "%s\n", err->message);
494 archives = gtk_tree_store_new(3,
495 G_TYPE_STRING, G_TYPE_POINTER, G_TYPE_UINT);
497 load_archive(*argv++);
499 builder = gtk_builder_new();
500 if (!gtk_builder_add_from_file(builder, "src/gui/lbxgui.glade", &err)) {
501 fprintf(stderr, "%s\n", err->message);
505 window = GTK_WIDGET(gtk_builder_get_object(builder, "mainwindow"));
506 canvas = GTK_WIDGET(gtk_builder_get_object(builder, "canvas"));
509 gtk_builder_connect_signals(builder, window);
511 g_timeout_add(10, timeout, NULL);
512 gtk_widget_show_all(window);
514 bg_gc = gdk_gc_new(canvas->window);
515 init_bg(canvas->window, bg_gc);