+/*
+ * 2ooM: The Master of Orion II Reverse Engineering Project
+ * Graphical tool for inspecting LBX archives.
+ * Copyright © 2010, 2014 Nick Bowler
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <config.h>
+#include <assert.h>
#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+#include <math.h>
+
#include <gtk/gtk.h>
#include "lbx.h"
+#include "image.h"
+#include "lbxgui.h"
+
+#include "bg.xbm"
static GtkTreeStore *archives;
static GtkBuilder *builder;
-int load_archive(const char *path)
+static GtkWidget *canvas;
+
+static cairo_surface_t *framebuf;
+static cairo_pattern_t *bg_pattern;
+static bool bg_stipple;
+
+static struct lbx_image *image;
+static struct lbx_colour palette[256];
+
+/* We support stacking up to three palettes, with each superseding the last. */
+static struct lbx_colour palette_external[256];
+static struct lbx_colour palette_internal[256];
+static struct lbx_colour palette_override[256];
+
+static void refresh_palette(void)
+{
+ memcpy(palette, palette_external, sizeof palette);
+ lbxgui_stack_palette(palette, palette_internal);
+ lbxgui_stack_palette(palette, palette_override);
+
+ if (framebuf)
+ lbxgui_render_restart(framebuf);
+}
+
+void play_toggled(GtkToggleButton *button, gpointer data)
+{
+ gboolean active = gtk_toggle_button_get_active(button);
+ GtkWidget *spin;
+
+ if (active && !image) {
+ gtk_toggle_button_set_active(button, FALSE);
+ return;
+ }
+
+ spin = GTK_WIDGET(gtk_builder_get_object(builder, "framespin"));
+ gtk_widget_set_sensitive(spin, !active);
+
+ if (active) {
+ gtk_spin_button_set_value(GTK_SPIN_BUTTON(spin), 0);
+ }
+}
+
+void set_frame(GtkSpinButton *spin, gpointer data)
+{
+ unsigned frame = gtk_spin_button_get_value_as_int(spin);
+
+ if (image)
+ lbxgui_render_argb(framebuf, image, frame, palette);
+ gdk_window_invalidate_rect(canvas->window, NULL, FALSE);
+}
+
+static void redraw_image(void)
+{
+ GtkSpinButton *spin;
+
+ refresh_palette();
+
+ spin = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "framespin"));
+ set_frame(spin, NULL);
+}
+
+static void tick(void *p, double delta)
+{
+ static double elapsed = 0;
+ double seconds_per_frame = 1.0/15;
+ struct lbx_imginfo info;
+ GtkSpinButton *spin;
+ GtkToggleButton *play;
+ unsigned frame, newframe;
+
+ if (!image)
+ return;
+
+ lbx_img_getinfo(image, &info);
+ spin = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "framespin"));
+ play = GTK_TOGGLE_BUTTON(gtk_builder_get_object(builder, "playbutton"));
+
+ frame = gtk_spin_button_get_value_as_int(spin);
+ if (!gtk_toggle_button_get_active(play))
+ return;
+
+ elapsed += delta;
+ newframe = frame;
+ while (elapsed > seconds_per_frame) {
+ elapsed -= seconds_per_frame;
+
+ if (++newframe >= image->frames) {
+ if (image->leadin == image->frames - 1) {
+ gtk_toggle_button_set_active(play, FALSE);
+ break;
+ }
+
+ newframe = image->leadin;
+ }
+ }
+
+ if (frame != newframe)
+ gtk_spin_button_set_value(spin, newframe);
+}
+
+static gboolean timeout(gpointer data)
+{
+ static double lasttime = INFINITY;
+ static GTimer *timer;
+
+ if (isinf(lasttime)) {
+ timer = g_timer_new();
+ if (timer) {
+ lasttime = 0;
+ }
+ } else {
+ double time = g_timer_elapsed(timer, NULL);
+
+ tick(data, time - lasttime);
+ lasttime = time;
+ }
+
+ return TRUE;
+}
+
+gboolean canvas_expose(GtkWidget *canvas, GdkEventExpose *event, gpointer data)
+{
+ cairo_t *cr;
+
+ cr = gdk_cairo_create(canvas->window);
+
+ if (bg_stipple) {
+ cairo_set_source_rgb(cr, 0.6, 0.6, 0.6);
+ gdk_cairo_rectangle(cr, &event->area);
+ cairo_fill(cr);
+
+ cairo_set_source_rgb(cr, 0.3, 0.3, 0.3);
+ gdk_cairo_rectangle(cr, &event->area);
+ cairo_mask(cr, bg_pattern);
+ } else {
+ cairo_set_source_rgb(cr, 0, 0, 0);
+ gdk_cairo_rectangle(cr, &event->area);
+ cairo_fill(cr);
+ }
+
+ cairo_set_source_surface(cr, framebuf, 0, 0);
+ gdk_cairo_rectangle(cr, &event->area);
+ cairo_fill(cr);
+
+ cairo_destroy(cr);
+
+ return TRUE;
+}
+
+static int alloc_framebuffer(struct lbx_image *img)
+{
+ GtkSpinButton *spin;
+
+ cairo_surface_destroy(framebuf);
+ framebuf = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
+ img->width, img->height);
+
+ spin = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "framespin"));
+ gtk_spin_button_set_range(spin, 0, img->frames-1);
+ gtk_spin_button_set_value(spin, 0);
+
+ gtk_widget_set_size_request(canvas, img->width, img->height);
+ return 0;
+}
+
+static int close_image(void *handle)
+{
+ lbx_file_close(handle);
+ return 0;
+}
+
+static struct lbx_image *load_lbx_image(struct lbx *archive, unsigned index)
+{
+ LBXfile *file;
+ struct lbx_image *image;
+
+ file = lbx_file_open(archive, index);
+ g_return_val_if_fail(file, NULL);
+
+ image = lbx_img_open(file, &lbx_arch_fops, close_image);
+ if (!image)
+ lbx_file_close(file);
+ return image;
+}
+
+void set_override(GtkComboBox *combo)
+{
+ GtkTreeIter iter;
+ gpointer lbx;
+ guint index;
+ struct lbx_image *img;
+
+ memset(palette_override, 0, sizeof palette_override);
+ if (!gtk_combo_box_get_active_iter(combo, &iter))
+ return;
+
+ gtk_tree_model_get(GTK_TREE_MODEL(archives), &iter,
+ 1, &lbx,
+ 2, &index,
+ -1);
+
+ img = load_lbx_image(lbx, index);
+ if (img) {
+ lbx_img_getpalette(img, palette_override);
+ lbx_img_close(img);
+ redraw_image();
+ }
+}
+
+void set_palette(GtkComboBox *combo)
+{
+ GtkTreeIter iter;
+ gpointer lbx;
+ guint index;
+ LBXfile *f;
+
+ memset(palette_external, 0, sizeof palette_external);
+ if (!gtk_combo_box_get_active_iter(combo, &iter))
+ return;
+
+ gtk_tree_model_get(GTK_TREE_MODEL(archives), &iter,
+ 1, &lbx,
+ 2, &index,
+ -1);
+
+ f = lbx_file_open(lbx, index);
+ if (f) {
+ if (lbx_img_loadpalette(f, &lbx_arch_fops, palette_external))
+ memset(palette_external, 0, sizeof palette_external);
+ lbx_file_close(f);
+ }
+
+ redraw_image();
+}
+
+void set_image(GtkComboBox *combo)
+{
+ GtkTreeIter iter;
+ gpointer lbx;
+ guint index;
+ struct lbx_image *img;
+
+ if (image) {
+ lbx_img_close(image);
+ image = NULL;
+ }
+
+ gtk_widget_set_size_request(canvas, -1, -1);
+ memset(palette_internal, 0, sizeof palette_internal);
+ if (!gtk_combo_box_get_active_iter(combo, &iter))
+ return;
+
+ gtk_tree_model_get(GTK_TREE_MODEL(archives), &iter,
+ 1, &lbx,
+ 2, &index,
+ -1);
+
+ img = load_lbx_image(lbx, index);
+ if (img) {
+ if (lbx_img_getpalette(img, palette_internal) == -1) {
+ puts("crap");
+ lbx_img_close(img);
+ }
+
+ alloc_framebuffer(img);
+ }
+
+ image = img;
+ redraw_image();
+}
+
+void set_background(GtkCheckMenuItem *item, gpointer data)
+{
+ bg_stipple = gtk_check_menu_item_get_active(item);
+ redraw_image();
+}
+
+void show_about(GtkWidget *widget)
+{
+ GtkWindow *parent = GTK_WINDOW(gtk_widget_get_toplevel(widget));
+
+ gtk_show_about_dialog(parent,
+ "name", g_get_application_name(),
+ "version", PACKAGE_VERSION,
+ "copyright", "Copyright \xc2\xa9 2010 Nick Bowler",
+ "website", "http://toom.sourceforge.net/",
+ NULL);
+}
+
+static int load_archive(const char *path)
{
gchar *basename;
GtkTreeIter iter1, iter2;
unsigned nfiles;
- LBX *lbx;
+ struct lbx *lbx;
lbx = lbx_fopen(path);
if (!lbx)
basename = g_path_get_basename(path);
gtk_tree_store_append(archives, &iter1, NULL);
- gtk_tree_store_set(archives, &iter1, 0, basename, -1);
+ gtk_tree_store_set(archives, &iter1,
+ 0, basename,
+ 1, (gpointer)lbx,
+ -1);
g_free(basename);
- nfiles = lbx_numfiles(lbx);
- for (unsigned i = 0; i < nfiles; i++) {
+ for (unsigned i = 0; i < lbx->nfiles; i++) {
struct lbx_statbuf stat;
- lbx_stat(lbx, i, &stat);
+ lbx_file_stat(lbx, i, &stat);
gtk_tree_store_append(archives, &iter2, &iter1);
- gtk_tree_store_set(archives, &iter2, 0, stat.name, -1);
+ gtk_tree_store_set(archives, &iter2,
+ 0, stat.name,
+ 1, (gpointer)lbx,
+ 2, (guint)i,
+ -1);
}
- lbx_close(lbx);
return 0;
}
+static void load_error(const char *name, GtkWindow *window)
+{
+ GtkWidget *dialog;
+
+ dialog = gtk_message_dialog_new(window,
+ GTK_DIALOG_MODAL,
+ GTK_MESSAGE_ERROR,
+ GTK_BUTTONS_OK,
+ "Failed to open %s. Decent error messages coming eventually.",
+ name);
+ gtk_dialog_run(GTK_DIALOG(dialog));
+ gtk_widget_destroy(dialog);
+}
+
void open_archive(GtkWidget *widget)
{
+ GtkWindow *window = GTK_WINDOW(gtk_widget_get_toplevel(widget));
GtkFileFilter *lbxfilter, *allfilter;
GtkFileChooser *chooser;
GtkTreeIter iter;
chooser = GTK_FILE_CHOOSER(gtk_file_chooser_dialog_new(
"Load Archive",
- GTK_WINDOW(gtk_widget_get_toplevel(widget)),
+ window,
GTK_FILE_CHOOSER_ACTION_OPEN,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
lbxfilter = gtk_file_filter_new();
gtk_file_filter_set_name(lbxfilter, "LBX Archives (*.lbx)");
gtk_file_filter_add_pattern(lbxfilter, "*.lbx");
+ gtk_file_filter_add_pattern(lbxfilter, "*.LBX");
allfilter = gtk_file_filter_new();
gtk_file_filter_set_name(allfilter, "All Files");
gtk_file_chooser_add_filter(chooser, lbxfilter);
gtk_file_chooser_add_filter(chooser, allfilter);
- if (gtk_dialog_run(GTK_DIALOG(chooser)) == GTK_RESPONSE_ACCEPT) {
+ while (gtk_dialog_run(GTK_DIALOG(chooser)) == GTK_RESPONSE_ACCEPT) {
gchar *name = gtk_file_chooser_get_filename(chooser);
- load_archive(name);
+ if (load_archive(name) == 0) {
+ g_free(name);
+ break;
+ }
+
+ load_error(name, GTK_WINDOW(chooser));
g_free(name);
}
gtk_widget_destroy(GTK_WIDGET(chooser));
}
-static void interface_init(void)
+static void clear_combobox(GtkEntry *entry, GtkEntryIconPosition pos,
+ GdkEvent *event, gpointer data)
+{
+ GtkComboBox *combo = data;
+
+ gtk_entry_set_text(entry, "");
+ gtk_combo_box_set_active(combo, -1);
+ redraw_image();
+}
+
+static void init_combobox(GtkBuilder *builder, const char *name)
+{
+ GtkComboBox *combo;
+ GtkEntry *entry;
+
+ combo = GTK_COMBO_BOX(gtk_builder_get_object(builder, name));
+ gtk_combo_box_set_model(combo, GTK_TREE_MODEL(archives));
+ gtk_combo_box_entry_set_text_column(GTK_COMBO_BOX_ENTRY(combo), 0);
+
+ entry = GTK_ENTRY(gtk_bin_get_child(GTK_BIN(combo)));
+ g_signal_connect(G_OBJECT(entry), "icon-press",
+ G_CALLBACK(clear_combobox), combo);
+ gtk_entry_set_icon_from_stock(entry, GTK_ENTRY_ICON_SECONDARY,
+ GTK_STOCK_CLEAR);
+}
+
+static void init_interface(void)
{
GtkTreeViewColumn *column;
GtkCellRenderer *renderer;
GtkTreeView *tree;
- tree = GTK_TREE_VIEW(gtk_builder_get_object(builder, "treeview"));
- gtk_tree_view_set_model(tree, GTK_TREE_MODEL(archives));
-
renderer = gtk_cell_renderer_text_new();
column = gtk_tree_view_column_new();
gtk_tree_view_column_pack_start(column, renderer, TRUE);
gtk_tree_view_column_add_attribute(column, renderer, "text", 0);
+
+ tree = GTK_TREE_VIEW(gtk_builder_get_object(builder, "treeview"));
+ gtk_tree_view_set_model(tree, GTK_TREE_MODEL(archives));
gtk_tree_view_append_column(tree, column);
+
+ init_combobox(builder, "palettechooser");
+ init_combobox(builder, "imagechooser");
+ init_combobox(builder, "overchooser");
+}
+
+/*
+ * Reverse the bits in each byte of a 32-bit word.
+ */
+static guint32 reverse4b(guint32 v)
+{
+ v = ((v >> 1) & 0x55555555) | ((v & 0x55555555) << 1);
+ v = ((v >> 2) & 0x33333333) | ((v & 0x33333333) << 2);
+ v = ((v >> 4) & 0x0f0f0f0f) | ((v & 0x0f0f0f0f) << 4);
+ return v;
+}
+
+static cairo_surface_t *
+xbm_to_cairo(const void *xbmdata, int width, int height)
+{
+ const unsigned char *data = xbmdata;
+ unsigned char *sdata;
+ cairo_surface_t *s;
+ int stride;
+
+ s = cairo_image_surface_create(CAIRO_FORMAT_A1, width, height);
+ if (cairo_surface_status(s) != CAIRO_STATUS_SUCCESS)
+ return s;
+
+ sdata = cairo_image_surface_get_data(s);
+ stride = cairo_image_surface_get_stride(s);
+ assert(stride % 4 == 0);
+ width = (width + 7) / 8;
+
+ cairo_surface_flush(s);
+ for (int y = 0; y < height; y++) {
+ /*
+ * Cairo is nuts. The mapping of bits to pixels in the A1
+ * format actually depends on the host *byte* ordering, so
+ * we actually need these two separate cases.
+ */
+ if (G_BYTE_ORDER == G_LITTLE_ENDIAN) {
+ /* Easy, XBM and Cairo match in this case */
+ memcpy(sdata, data, width);
+ } else {
+ /* No such luck, we have to convert manually */
+ for (int x = 0; x < width; x += 4) {
+ guint32 word = 0;
+
+ memcpy(&word, data+x, MIN(4, width-x));
+ word = reverse4b(word);
+ memcpy(sdata+x, &word, 4);
+ }
+ }
+
+ sdata += stride;
+ data += width;
+ }
+ cairo_surface_mark_dirty(s);
+
+ return s;
+}
+
+static void init_background(GdkDrawable *drawable)
+{
+ cairo_surface_t *bg;
+ GtkWidget *check;
+
+ bg = xbm_to_cairo(bg_bits, bg_width, bg_height);
+ bg_pattern = cairo_pattern_create_for_surface(bg);
+ cairo_pattern_set_extend(bg_pattern, CAIRO_EXTEND_REPEAT);
+ cairo_surface_destroy(bg);
+
+ check = GTK_WIDGET(gtk_builder_get_object(builder, "menu-background"));
+ gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(check), TRUE);
+ set_background(GTK_CHECK_MENU_ITEM(check), NULL);
}
int main(int argc, char **argv)
{
+ extern char lbxgui_glade[];
GtkWidget *window;
GError *err = NULL;
return EXIT_FAILURE;
}
- archives = gtk_tree_store_new(1, G_TYPE_STRING);
+ archives = gtk_tree_store_new(3,
+ G_TYPE_STRING, G_TYPE_POINTER, G_TYPE_UINT);
while (*argv)
load_archive(*argv++);
builder = gtk_builder_new();
- if (!gtk_builder_add_from_file(builder, "src/gui/lbxgui.glade", &err)) {
+ if (!gtk_builder_add_from_string(builder, lbxgui_glade, -1, &err)) {
fprintf(stderr, "%s\n", err->message);
return EXIT_FAILURE;
}
window = GTK_WIDGET(gtk_builder_get_object(builder, "mainwindow"));
+ canvas = GTK_WIDGET(gtk_builder_get_object(builder, "canvas"));
- interface_init();
+ init_interface();
gtk_builder_connect_signals(builder, window);
+
+ g_timeout_add_full(G_PRIORITY_DEFAULT_IDLE, 10, timeout, NULL, NULL);
gtk_widget_show_all(window);
+
+ init_background(canvas->window);
gtk_main();
}
projects / liblbx.git / blobdiff