X-Git-Url: https://git.draconx.ca/gitweb/liblbx.git/blobdiff_plain/039d6c1bce02ff7c7aba3bb5ad4dc05cf67b969f..c02dcc9610e66ebe6154e60dcd2f109c90eb09df:/src/gui/lbxgui.c

diff --git a/src/gui/lbxgui.c b/src/gui/lbxgui.c
index 650f263..da03cfb 100644
--- a/src/gui/lbxgui.c
+++ b/src/gui/lbxgui.c
@@ -1,3 +1,21 @@
+/*
+ *  2ooM: The Master of Orion II Reverse Engineering Project
+ *  Graphical tool for inspecting LBX archives.
+ *  Copyright (C) 2010 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 <stdlib.h>
 #include <string.h>
@@ -7,18 +25,21 @@
 
 #include "lbx.h"
 #include "image.h"
+#include "render.h"
+
+#include "bg.xbm"
+
+extern char lbxgui_xml[];
 
 static GtkTreeStore *archives;
 static GtkBuilder *builder;
 
 static GtkWidget *canvas;
-static LBX_IMG *image;
-/* LBX images can have 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 GdkGC     *bg_gc;
+
+static LBXimg *image;
 
-GdkPixbuf *framebuf;
+static GdkPixbuf *framebuf;
 
 void play_toggled(GtkToggleButton *button, gpointer data)
 {
@@ -38,65 +59,21 @@ void play_toggled(GtkToggleButton *button, gpointer data)
 	}
 }
 
-static void get_colour(unsigned char index, unsigned char out[static 3])
-{
-	struct lbx_colour *colour;
-
-	if (palette_override[index].active)
-		colour = palette_override + index;
-	else if (palette_internal[index].active)
-		colour = palette_internal + index;
-	else if (palette_external[index].active)
-		colour = palette_external + index;
-	else
-		colour = &(struct lbx_colour) { .red = 0xff, .blue = 0xff };
-
-	out[0] = colour->red;
-	out[1] = colour->green;
-	out[2] = colour->blue;
-}
-
-static int render_frame(LBX_IMG *img, GdkPixbuf *buf, unsigned frame)
+void set_frame(GtkSpinButton *spin, gpointer data)
 {
-	unsigned char **imgdata, **imgmask;
-	struct lbx_imginfo info;
-	unsigned char *data;
-	unsigned stride;
-
-	lbximg_getinfo(image, &info);
-	imgdata = lbximg_getframe(image, frame);
-	if (!imgdata) {
-		printf("failed to decode frame %u\n", frame);
-		return -1;
-	}
-	imgmask = lbximg_getmask(image);
-
-	data   = gdk_pixbuf_get_pixels(buf);
-	stride = gdk_pixbuf_get_rowstride(buf);
-
-	for (unsigned i = 0; i < info.height; i++) {
-		unsigned char (*p)[3] = (void *)(data + i*stride);
-
-		for (unsigned j = 0; j < info.width; j++) {
-			if (imgmask[i][j]) {
-				get_colour(imgdata[i][j], p[j]);
-			} else {
-				p[j][0] = 0;
-				p[j][1] = 0;
-				p[j][2] = 0;
-			}
-		}
-	}
+	unsigned frame = gtk_spin_button_get_value_as_int(spin);
 
-	return 0;
+	if (image)
+		render_to_pixbuf(image, framebuf, frame);
+	gdk_window_invalidate_rect(canvas->window, NULL, FALSE);
 }
 
-void set_frame(GtkSpinButton *spin, gpointer data)
+static void redraw_image(void)
 {
-	unsigned frame = gtk_spin_button_get_value_as_int(spin);
+	GtkSpinButton *spin;
 
-	render_frame(image, framebuf, frame);
-	gdk_window_invalidate_rect(canvas->window, NULL, FALSE);
+	spin = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "framespin"));
+	set_frame(spin, NULL);
 }
 
 static void tick(void *p, double delta)
@@ -159,7 +136,11 @@ static gboolean timeout(gpointer data)
 gboolean canvas_expose(GtkWidget *canvas, GdkEventExpose *event, gpointer data)
 {
 	if (!framebuf)
-		return TRUE;
+		return FALSE;
+
+	gdk_draw_rectangle(canvas->window, bg_gc, TRUE,
+		event->area.x, event->area.y,
+		event->area.width, event->area.height);
 
 	gdk_draw_pixbuf(canvas->window, NULL, framebuf,
 		event->area.x, event->area.y, event->area.x, event->area.y,
@@ -169,41 +150,79 @@ gboolean canvas_expose(GtkWidget *canvas, GdkEventExpose *event, gpointer data)
 	return TRUE;
 }
 
-static int init_framedata(int reset)
+static int alloc_framebuffer(LBXimg *image)
 {
 	struct lbx_imginfo info;
 	GtkSpinButton *spin;
 
+	if (framebuf)
+		g_object_unref(framebuf);
+
 	lbximg_getinfo(image, &info);
-	framebuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
+	framebuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8,
 		info.width, info.height);
-	if (!framebuf) {
-		printf("failed to allocate pixbuf\n");
-		return -1;
-	}
-
-	gtk_widget_set_size_request(canvas, info.width, info.height);
+	g_return_val_if_fail(framebuf, -1);
 
 	spin = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "framespin"));
 	gtk_spin_button_set_range(spin, 0, info.nframes-1);
 	gtk_spin_button_set_value(spin, 0);
-	set_frame(spin, NULL);
+
+	gtk_widget_set_size_request(canvas, info.width, info.height);
 	return 0;
 }
 
-static int img_close(void *handle)
+static int close_image(void *handle)
 {
 	lbx_file_close(handle);
 	return 0;
 }
 
-void set_palette_data(GtkComboBox *combo)
+static LBXimg *load_lbx_image(LBX *archive, unsigned index)
+{
+	LBXfile *file;
+	LBXimg *image;
+
+	file = lbx_file_open(archive, index);
+	g_return_val_if_fail(file, NULL);
+
+	image = lbximg_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;
+	LBXimg *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) {
+		lbximg_getpalette(img, palette_override);
+		lbximg_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;
 
@@ -219,16 +238,23 @@ void set_palette_data(GtkComboBox *combo)
 		lbx_file_close(f);
 	}
 
-	init_framedata(0);
+	redraw_image();
 }
 
-void set_image_data(GtkComboBox *combo)
+void set_image(GtkComboBox *combo)
 {
 	GtkTreeIter iter;
 	gpointer lbx;
 	guint    index;
-	LBXfile  *f;
+	LBXimg *img;
+
+	if (image) {
+		lbximg_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;
 
@@ -237,29 +263,39 @@ void set_image_data(GtkComboBox *combo)
 		2, &index,
 		-1);
 
-	f = lbx_file_open(lbx, index);
-	if (f) {
-		struct lbx_imginfo info;
-
-		image = lbximg_open(f, &lbx_arch_fops, img_close);
-		if (image) {
-			memset(palette_internal, 0, sizeof palette_internal);
-			if (lbximg_getpalette(image, palette_internal) == -1) {
-				puts("crap");
-				lbximg_close(image);
-			}
+	img = load_lbx_image(lbx, index);
+	if (img) {
+		if (lbximg_getpalette(img, palette_internal) == -1) {
+			puts("crap");
+			lbximg_close(img);
+		}
 
-			if (init_framedata(1) == -1) {
-				puts("crap");
-				lbximg_close(image);
-			}
-		} else {
-			puts("fuck");
-			lbx_file_close(f);
+		if (alloc_framebuffer(img) == -1) {
+			puts("crap");
+			lbximg_close(img);
 		}
+	}
+
+	image = img;
+	redraw_image();
+}
+
+void set_background(GtkCheckMenuItem *item, gpointer data)
+{
+	GdkColor black = { .red = 0,      .green = 0,      .blue = 0      };
+	GdkColor dark  = { .red = 0x6666, .green = 0x6666, .blue = 0x6666 };
+	GdkColor light = { .red = 0x9999, .green = 0x9999, .blue = 0x9999 };
+
+	if (gtk_check_menu_item_get_active(item)) {
+		/* Enable stippled background. */
+		gdk_gc_set_rgb_fg_color(bg_gc, &dark);
+		gdk_gc_set_rgb_bg_color(bg_gc, &light);
+		gdk_gc_set_fill(bg_gc, GDK_OPAQUE_STIPPLED);
 	} else {
-		puts("damn");
+		gdk_gc_set_rgb_fg_color(bg_gc, &black);
+		gdk_gc_set_fill(bg_gc, GDK_SOLID);
 	}
+	redraw_image();
 }
 
 void show_about(GtkWidget *widget)
@@ -274,7 +310,7 @@ void show_about(GtkWidget *widget)
 		NULL);
 }
 
-int load_archive(const char *path)
+static int load_archive(const char *path)
 {
 	gchar *basename;
 	GtkTreeIter iter1, iter2;
@@ -297,7 +333,7 @@ int load_archive(const char *path)
 	for (unsigned i = 0; i < 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,
@@ -309,7 +345,7 @@ int load_archive(const char *path)
 	return 0;
 }
 
-void load_error(const char *name, GtkWindow *window)
+static void load_error(const char *name, GtkWindow *window)
 {
 	GtkWidget *dialog;
 
@@ -365,11 +401,36 @@ void open_archive(GtkWidget *widget)
 	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;
-	GtkComboBox *combo;
 	GtkTreeView *tree;
 
 	renderer = gtk_cell_renderer_text_new();
@@ -381,13 +442,27 @@ static void interface_init(void)
 	gtk_tree_view_set_model(tree, GTK_TREE_MODEL(archives));
 	gtk_tree_view_append_column(tree, column);
 
-	combo = GTK_COMBO_BOX(gtk_builder_get_object(builder, "palettechooser"));
-	gtk_combo_box_set_model(combo, GTK_TREE_MODEL(archives));
-	gtk_combo_box_entry_set_text_column(GTK_COMBO_BOX_ENTRY(combo), 0);
+	init_combobox(builder, "palettechooser");
+	init_combobox(builder, "imagechooser");
+	init_combobox(builder, "overchooser");
+}
 
-	combo = GTK_COMBO_BOX(gtk_builder_get_object(builder, "imagechooser"));
-	gtk_combo_box_set_model(combo, GTK_TREE_MODEL(archives));
-	gtk_combo_box_entry_set_text_column(GTK_COMBO_BOX_ENTRY(combo), 0);
+static void init_background(GdkDrawable *drawable)
+{
+	GtkWidget *check;
+	GdkBitmap *bitmap;
+
+	bg_gc = gdk_gc_new(canvas->window);
+
+	bitmap = gdk_bitmap_create_from_data(drawable, (gchar *)bg_bits,
+		bg_width, bg_height);
+
+	gdk_gc_set_stipple(bg_gc, bitmap);
+	gdk_gc_set_ts_origin(bg_gc, 0, 0);
+
+	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)
@@ -406,7 +481,7 @@ int main(int argc, char **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_xml, -1, &err)) {
 		fprintf(stderr, "%s\n", err->message);
 		return EXIT_FAILURE;
 	}
@@ -414,10 +489,12 @@ int main(int argc, char **argv)
 	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(10, timeout, NULL);
 	gtk_widget_show_all(window);
+
+	init_background(canvas->window);
 	gtk_main();
 }