+/*
+ * 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 GtkBuilder *builder;
static GtkWidget *canvas;
-static GdkGC *bg_gc;
-static LBX_IMG *image;
-/* LBX images can have up to three palettes, with each superseding the last. */
+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];
-GdkPixbuf *framebuf;
+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)
{
}
}
-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)[4] = (void *)(data + i*stride);
-
- for (unsigned j = 0; j < info.width; j++) {
- if (imgmask[i][j]) {
- get_colour(imgdata[i][j], p[j]);
- p[j][3] = -1;
- } else {
- p[j][3] = 0;
- }
- }
- }
+ unsigned frame = gtk_spin_button_get_value_as_int(spin);
- return 0;
+ if (image)
+ lbxgui_render_argb(framebuf, image, frame, palette);
+ 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);
+ refresh_palette();
+
+ spin = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "framespin"));
+ set_frame(spin, NULL);
}
static void tick(void *p, double delta)
struct lbx_imginfo info;
GtkSpinButton *spin;
GtkToggleButton *play;
- unsigned frame;
+ unsigned frame, newframe;
if (!image)
return;
- lbximg_getinfo(image, &info);
+ 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"));
return;
elapsed += delta;
+ newframe = frame;
while (elapsed > seconds_per_frame) {
elapsed -= seconds_per_frame;
- if (++frame >= info.nframes) {
- if (!info.looping) {
+ if (++newframe >= image->frames) {
+ if (image->leadin == image->frames - 1) {
gtk_toggle_button_set_active(play, FALSE);
break;
}
- frame = info.loopstart;
+ newframe = image->leadin;
}
-
- gtk_spin_button_set_value(spin, frame);
}
+
+ if (frame != newframe)
+ gtk_spin_button_set_value(spin, newframe);
}
static gboolean timeout(gpointer data)
gboolean canvas_expose(GtkWidget *canvas, GdkEventExpose *event, gpointer data)
{
- if (!framebuf)
- return TRUE;
+ cairo_t *cr;
- gdk_draw_rectangle(canvas->window, bg_gc, TRUE,
- event->area.x, event->area.y,
- event->area.width, event->area.height);
+ cr = gdk_cairo_create(canvas->window);
- gdk_draw_pixbuf(canvas->window, NULL, framebuf,
- event->area.x, event->area.y, event->area.x, event->area.y,
- event->area.width, event->area.height,
- GDK_RGB_DITHER_NORMAL, 0, 0);
+ 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 init_framedata(int reset)
+static int alloc_framebuffer(struct lbx_image *img)
{
- struct lbx_imginfo info;
GtkSpinButton *spin;
- if (!image)
- return 0;
-
- lbximg_getinfo(image, &info);
- 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);
+ 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, info.nframes-1);
+ gtk_spin_button_set_range(spin, 0, img->frames-1);
gtk_spin_button_set_value(spin, 0);
- set_frame(spin, NULL);
+
+ gtk_widget_set_size_request(canvas, img->width, img->height);
return 0;
}
-static int img_close(void *handle)
+static int close_image(void *handle)
{
- if (framebuf) {
- g_object_unref(framebuf);
- framebuf = NULL;
- }
-
lbx_file_close(handle);
return 0;
}
-void set_override_data(GtkComboBox *combo)
+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;
- LBXfile *f;
- LBX_IMG *img;
+ struct lbx_image *img;
+ memset(palette_override, 0, sizeof palette_override);
if (!gtk_combo_box_get_active_iter(combo, &iter))
return;
2, &index,
-1);
- f = lbx_file_open(lbx, index);
- if (f) {
- img = lbximg_open(f, &lbx_arch_fops, NULL);
- if (img) {
- memset(palette_override, 0, sizeof palette_override);
- lbximg_getpalette(img, palette_override);
- lbximg_close(img);
- init_framedata(0);
- }
-
- lbx_file_close(f);
- } else {
- puts("damn");
+ img = load_lbx_image(lbx, index);
+ if (img) {
+ lbx_img_getpalette(img, palette_override);
+ lbx_img_close(img);
+ redraw_image();
}
}
-void set_palette_data(GtkComboBox *combo)
+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;
f = lbx_file_open(lbx, index);
if (f) {
- if (lbximg_loadpalette(f, &lbx_arch_fops, palette_external))
+ if (lbx_img_loadpalette(f, &lbx_arch_fops, palette_external))
memset(palette_external, 0, sizeof palette_external);
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;
+ 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;
2, &index,
-1);
- f = lbx_file_open(lbx, index);
- if (f) {
- if (image) {
- lbximg_close(image);
- image = NULL;
+ img = load_lbx_image(lbx, index);
+ if (img) {
+ if (lbx_img_getpalette(img, palette_internal) == -1) {
+ puts("crap");
+ lbx_img_close(img);
}
- 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);
- }
-
- if (init_framedata(1) == -1) {
- puts("crap");
- lbximg_close(image);
- }
- } else {
- puts("fuck");
- lbx_file_close(f);
- }
- } else {
- puts("damn");
+ 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)
NULL);
}
-int load_archive(const char *path)
+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)
-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,
return 0;
}
-void load_error(const char *name, GtkWindow *window)
+static void load_error(const char *name, GtkWindow *window)
{
GtkWidget *dialog;
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();
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);
+/*
+ * 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;
+}
- combo = GTK_COMBO_BOX(gtk_builder_get_object(builder, "overchooser"));
- gtk_combo_box_set_model(combo, GTK_TREE_MODEL(archives));
- gtk_combo_box_entry_set_text_column(GTK_COMBO_BOX_ENTRY(combo), 0);
+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;
}
-GdkBitmap *init_bg(GdkDrawable *drawable, GdkGC *gc)
+static void init_background(GdkDrawable *drawable)
{
- GdkColor fg = { .red = 0x6666, .green = 0x6666, .blue = 0x6666 };
- GdkColor bg = { .red = 0x9999, .green = 0x9999, .blue = 0x9999 };
- GdkBitmap *bitmap;
-
- bitmap = gdk_bitmap_create_from_data(drawable, bg_bits,
- bg_width, bg_height);
-
- gdk_gc_set_rgb_fg_color(gc, &fg);
- gdk_gc_set_rgb_bg_color(gc, &bg);
- gdk_gc_set_fill(gc, GDK_OPAQUE_STIPPLED);
- gdk_gc_set_stipple(gc, bitmap);
- gdk_gc_set_ts_origin(gc, 0, 0);
- return bitmap;
+ 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;
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(10, timeout, NULL);
+ g_timeout_add_full(G_PRIORITY_DEFAULT_IDLE, 10, timeout, NULL, NULL);
gtk_widget_show_all(window);
- bg_gc = gdk_gc_new(canvas->window);
- init_bg(canvas->window, bg_gc);
+ init_background(canvas->window);
gtk_main();
}
projects / liblbx.git / blobdiff