src/gui/lbxgui.c

   1 #include <config.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <gtk/gtk.h>
   5
   6 #include "lbx.h"
   7 #include "image.h"
   8
   9 static GtkTreeStore *archives;
  10 static GtkBuilder *builder;
  11
  12 static GtkWidget *canvas;
  13 static LBX_IMG *image;
  14
  15 /* LBX images can have up to three palettes, with each superseding the last. */
  16 static struct lbx_colour palette_external[256];
  17 static struct lbx_colour palette_internal[256];
  18 static struct lbx_colour palette_override[256];
  19
  20 GdkPixbuf *framebuf;
  21
  22 gboolean canvas_expose(GtkWidget *canvas, GdkEventExpose *event, gpointer data)
  23 {
  24         if (!framebuf)
  25                 return TRUE;
  26
  27         gdk_draw_pixbuf(canvas->window, NULL, framebuf,
  28                 event->area.x, event->area.y, event->area.x, event->area.y,
  29                 event->area.width, event->area.height,
  30                 GDK_RGB_DITHER_NORMAL, 0, 0);
  31
  32         return TRUE;
  33 }
  34
  35 void get_colour(unsigned char index, unsigned char out[static 3])
  36 {
  37         struct lbx_colour *colour;
  38
  39         if (palette_override[index].active)
  40                 colour = palette_override + index;
  41         else if (palette_internal[index].active)
  42                 colour = palette_internal + index;
  43         else if (palette_external[index].active)
  44                 colour = palette_external + index;
  45         else
  46                 colour = &(struct lbx_colour) { .red = 0xff, .blue = 0xff };
  47
  48         out[0] = colour->red;
  49         out[1] = colour->green;
  50         out[2] = colour->blue;
  51 }
  52
  53 static int init_framedata(void)
  54 {
  55         struct lbx_imginfo info;
  56         unsigned char **imgdata, **imgmask;
  57         unsigned char *data;
  58         unsigned stride;
  59
  60         lbximg_getinfo(image, &info);
  61         imgdata = lbximg_getframe(image, 0);
  62         if (!imgdata) {
  63                 printf("failed to decode frame 0\n");
  64                 return -1;
  65         }
  66         imgmask = lbximg_getmask(image);
  67
  68         framebuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
  69                 info.width, info.height);
  70         if (!framebuf) {
  71                 printf("failed to allocate pixbuf\n");
  72                 return -1;
  73         }
  74
  75         data   = gdk_pixbuf_get_pixels(framebuf);
  76         stride = gdk_pixbuf_get_rowstride(framebuf);
  77
  78         for (unsigned i = 0; i < info.height; i++) {
  79                 unsigned char (*p)[3] = (void *)(data + i*stride);
  80
  81                 for (unsigned j = 0; j < info.width; j++) {
  82                         if (imgmask[i][j]) {
  83                                 get_colour(imgdata[i][j], p[j]);
  84                         } else {
  85                                 p[j][0] = 0;
  86                                 p[j][1] = 0;
  87                                 p[j][2] = 0;
  88                         }
  89                 }
  90         }
  91
  92         gtk_widget_set_size_request(canvas, info.width, info.height);
  93         gdk_window_invalidate_rect(canvas->window, NULL, FALSE);
  94         return 0;
  95 }
  96
  97 static int img_close(void *handle)
  98 {
  99         lbx_file_close(handle);
 100         return 0;
 101 }
 102
 103 void set_image_data(GtkComboBox *combo)
 104 {
 105         GtkTreeIter iter;
 106         gpointer lbx;
 107         guint    index;
 108         LBXfile  *f;
 109
 110         if (!gtk_combo_box_get_active_iter(combo, &iter))
 111                 return;
 112
 113         gtk_tree_model_get(GTK_TREE_MODEL(archives), &iter,
 114                 1, &lbx,
 115                 2, &index,
 116                 -1);
 117
 118         f = lbx_file_open(lbx, index);
 119         if (f) {
 120                 struct lbx_imginfo info;
 121
 122                 image = lbximg_open(f, &lbx_arch_fops, img_close);
 123                 if (image) {
 124                         memset(palette_internal, 0, sizeof palette_internal);
 125                         if (lbximg_getpalette(image, palette_internal) == -1) {
 126                                 puts("crap");
 127                                 lbximg_close(image);
 128                         }
 129
 130                         if (init_framedata() == -1) {
 131                                 puts("crap");
 132                                 lbximg_close(image);
 133                         }
 134                 } else {
 135                         puts("fuck");
 136                         lbx_file_close(f);
 137                 }
 138         } else {
 139                 puts("damn");
 140         }
 141 }
 142
 143 void show_about(GtkWidget *widget)
 144 {
 145         GtkWindow *parent = GTK_WINDOW(gtk_widget_get_toplevel(widget));
 146
 147         gtk_show_about_dialog(parent,
 148                 "name", g_get_application_name(),
 149                 "version", PACKAGE_VERSION,
 150                 "copyright", "Copyright \xc2\xa9 2010 Nick Bowler",
 151                 "website", "http://toom.sourceforge.net/",
 152                 NULL);
 153 }
 154
 155 int load_archive(const char *path)
 156 {
 157         gchar *basename;
 158         GtkTreeIter iter1, iter2;
 159         unsigned nfiles;
 160         LBX *lbx;
 161
 162         lbx = lbx_fopen(path);
 163         if (!lbx)
 164                 return -1;
 165
 166         basename = g_path_get_basename(path);
 167         gtk_tree_store_append(archives, &iter1, NULL);
 168         gtk_tree_store_set(archives, &iter1,
 169                 0, basename,
 170                 1, (gpointer)lbx,
 171                 -1);
 172         g_free(basename);
 173
 174         nfiles = lbx_numfiles(lbx);
 175         for (unsigned i = 0; i < nfiles; i++) {
 176                 struct lbx_statbuf stat;
 177
 178                 lbx_stat(lbx, i, &stat);
 179                 gtk_tree_store_append(archives, &iter2, &iter1);
 180                 gtk_tree_store_set(archives, &iter2,
 181                         0, stat.name,
 182                         1, (gpointer)lbx,
 183                         2, (guint)i,
 184                         -1);
 185         }
 186
 187         return 0;
 188 }
 189
 190 void load_error(const char *name, GtkWindow *window)
 191 {
 192         GtkWidget *dialog;
 193
 194         dialog = gtk_message_dialog_new(window,
 195                 GTK_DIALOG_MODAL,
 196                 GTK_MESSAGE_ERROR,
 197                 GTK_BUTTONS_OK,
 198                 "Failed to open %s.  Decent error messages coming eventually.",
 199                 name);
 200         gtk_dialog_run(GTK_DIALOG(dialog));
 201         gtk_widget_destroy(dialog);
 202 }
 203
 204 void open_archive(GtkWidget *widget)
 205 {
 206         GtkWindow *window = GTK_WINDOW(gtk_widget_get_toplevel(widget));
 207         GtkFileFilter *lbxfilter, *allfilter;
 208         GtkFileChooser *chooser;
 209         GtkTreeIter iter;
 210
 211         chooser = GTK_FILE_CHOOSER(gtk_file_chooser_dialog_new(
 212                 "Load Archive",
 213                 window,
 214                 GTK_FILE_CHOOSER_ACTION_OPEN,
 215                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 216                 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 217                 NULL));
 218
 219         lbxfilter = gtk_file_filter_new();
 220         gtk_file_filter_set_name(lbxfilter, "LBX Archives (*.lbx)");
 221         gtk_file_filter_add_pattern(lbxfilter, "*.lbx");
 222
 223         allfilter = gtk_file_filter_new();
 224         gtk_file_filter_set_name(allfilter, "All Files");
 225         gtk_file_filter_add_pattern(allfilter, "*");
 226
 227         gtk_file_chooser_add_filter(chooser, lbxfilter);
 228         gtk_file_chooser_add_filter(chooser, allfilter);
 229
 230         while (gtk_dialog_run(GTK_DIALOG(chooser)) == GTK_RESPONSE_ACCEPT) {
 231                 gchar *name = gtk_file_chooser_get_filename(chooser);
 232
 233                 if (load_archive(name) == 0) {
 234                         g_free(name);
 235                         break;
 236                 }
 237
 238                 load_error(name, GTK_WINDOW(chooser));
 239                 g_free(name);
 240         }
 241
 242         gtk_widget_destroy(GTK_WIDGET(chooser));
 243 }
 244
 245 static void interface_init(void)
 246 {
 247         GtkTreeViewColumn *column;
 248         GtkCellRenderer *renderer;
 249         GtkComboBox *combo;
 250         GtkTreeView *tree;
 251
 252         renderer = gtk_cell_renderer_text_new();
 253         column = gtk_tree_view_column_new();
 254         gtk_tree_view_column_pack_start(column, renderer, TRUE);
 255         gtk_tree_view_column_add_attribute(column, renderer, "text", 0);
 256
 257         tree = GTK_TREE_VIEW(gtk_builder_get_object(builder, "treeview"));
 258         gtk_tree_view_set_model(tree, GTK_TREE_MODEL(archives));
 259         gtk_tree_view_append_column(tree, column);
 260
 261         combo = GTK_COMBO_BOX(gtk_builder_get_object(builder, "imagechooser"));
 262         gtk_combo_box_set_model(combo, GTK_TREE_MODEL(archives));
 263         gtk_combo_box_entry_set_text_column(GTK_COMBO_BOX_ENTRY(combo), 0);
 264 }
 265
 266 int main(int argc, char **argv)
 267 {
 268         GtkWidget *window;
 269         GError *err = NULL;
 270
 271         if (!gtk_init_with_args(&argc, &argv, NULL, NULL, NULL, &err)) {
 272                 fprintf(stderr, "%s\n", err->message);
 273                 return EXIT_FAILURE;
 274         }
 275
 276         archives = gtk_tree_store_new(3,
 277                 G_TYPE_STRING, G_TYPE_POINTER, G_TYPE_UINT);
 278         while (*argv)
 279                 load_archive(*argv++);
 280
 281         builder = gtk_builder_new();
 282         if (!gtk_builder_add_from_file(builder, "src/gui/lbxgui.glade", &err)) {
 283                 fprintf(stderr, "%s\n", err->message);
 284                 return EXIT_FAILURE;
 285         }
 286
 287         window = GTK_WIDGET(gtk_builder_get_object(builder, "mainwindow"));
 288         canvas = GTK_WIDGET(gtk_builder_get_object(builder, "canvas"));
 289
 290         interface_init();
 291         gtk_builder_connect_signals(builder, window);
 292         gtk_widget_show_all(window);
 293         gtk_main();
 294 }