/*
* 2ooM: The Master of Orion II Reverse Engineering Project
* Graphical tool for inspecting LBX archives.
- * Copyright (C) 2010 Nick Bowler
+ * 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
* 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 "render.h"
+#include "lbxgui.h"
#include "bg.xbm"
-extern char lbxgui_xml[];
-
static GtkTreeStore *archives;
static GtkBuilder *builder;
static GtkWidget *canvas;
-static GdkGC *bg_gc;
-static LBXimg *image;
+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];
-static GdkPixbuf *framebuf;
+/* 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)
{
unsigned frame = gtk_spin_button_get_value_as_int(spin);
if (image)
- render_to_pixbuf(image, framebuf, frame);
+ lbxgui_render_argb(framebuf, image, frame, palette);
gdk_window_invalidate_rect(canvas->window, NULL, FALSE);
}
{
GtkSpinButton *spin;
+ refresh_palette();
+
spin = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "framespin"));
set_frame(spin, NULL);
}
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"));
while (elapsed > seconds_per_frame) {
elapsed -= seconds_per_frame;
- if (++newframe >= info.nframes) {
- if (!info.looping) {
+ if (++newframe >= image->frames) {
+ if (image->leadin == image->frames - 1) {
gtk_toggle_button_set_active(play, FALSE);
break;
}
- newframe = info.loopstart;
+ newframe = image->leadin;
}
}
gboolean canvas_expose(GtkWidget *canvas, GdkEventExpose *event, gpointer data)
{
- if (!framebuf)
- return FALSE;
+ cairo_t *cr;
+
+ cr = gdk_cairo_create(canvas->window);
- gdk_draw_rectangle(canvas->window, bg_gc, TRUE,
- event->area.x, event->area.y,
- event->area.width, event->area.height);
+ if (bg_stipple) {
+ cairo_set_source_rgb(cr, 0.6, 0.6, 0.6);
+ gdk_cairo_rectangle(cr, &event->area);
+ cairo_fill(cr);
- 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);
+ 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(LBXimg *image)
+static int alloc_framebuffer(struct lbx_image *img)
{
- struct lbx_imginfo info;
GtkSpinButton *spin;
- if (framebuf)
- g_object_unref(framebuf);
-
- lbximg_getinfo(image, &info);
- framebuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8,
- info.width, info.height);
- g_return_val_if_fail(framebuf, -1);
+ 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);
- gtk_widget_set_size_request(canvas, info.width, info.height);
+ gtk_widget_set_size_request(canvas, img->width, img->height);
return 0;
}
return 0;
}
-static LBXimg *load_lbx_image(LBX *archive, unsigned index)
+static struct lbx_image *load_lbx_image(struct lbx *archive, unsigned index)
{
LBXfile *file;
- LBXimg *image;
+ struct lbx_image *image;
file = lbx_file_open(archive, index);
g_return_val_if_fail(file, NULL);
- image = lbximg_open(file, &lbx_arch_fops, close_image);
+ image = lbx_img_open(file, &lbx_arch_fops, close_image);
if (!image)
lbx_file_close(file);
return image;
GtkTreeIter iter;
gpointer lbx;
guint index;
- LBXimg *img;
+ struct lbx_image *img;
memset(palette_override, 0, sizeof palette_override);
if (!gtk_combo_box_get_active_iter(combo, &iter))
img = load_lbx_image(lbx, index);
if (img) {
- lbximg_getpalette(img, palette_override);
- lbximg_close(img);
+ lbx_img_getpalette(img, palette_override);
+ lbx_img_close(img);
redraw_image();
}
}
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);
}
GtkTreeIter iter;
gpointer lbx;
guint index;
- LBXimg *img;
+ struct lbx_image *img;
if (image) {
- lbximg_close(image);
+ lbx_img_close(image);
image = NULL;
}
img = load_lbx_image(lbx, index);
if (img) {
- if (lbximg_getpalette(img, palette_internal) == -1) {
+ if (lbx_img_getpalette(img, palette_internal) == -1) {
puts("crap");
- lbximg_close(img);
+ lbx_img_close(img);
}
- if (alloc_framebuffer(img) == -1) {
- puts("crap");
- lbximg_close(img);
- }
+ alloc_framebuffer(img);
}
image = img;
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 {
- gdk_gc_set_rgb_fg_color(bg_gc, &black);
- gdk_gc_set_fill(bg_gc, GDK_SOLID);
- }
+ bg_stipple = gtk_check_menu_item_get_active(item);
redraw_image();
}
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_file_stat(lbx, i, &stat);
init_combobox(builder, "overchooser");
}
-static void init_background(GdkDrawable *drawable)
+/*
+ * Reverse the bits in each byte of a 32-bit word.
+ */
+static guint32 reverse4b(guint32 v)
{
- GtkWidget *check;
- GdkBitmap *bitmap;
+ v = ((v >> 1) & 0x55555555) | ((v & 0x55555555) << 1);
+ v = ((v >> 2) & 0x33333333) | ((v & 0x33333333) << 2);
+ v = ((v >> 4) & 0x0f0f0f0f) | ((v & 0x0f0f0f0f) << 4);
+ return v;
+}
- bg_gc = gdk_gc_new(canvas->window);
+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;
+}
- bitmap = gdk_bitmap_create_from_data(drawable, (gchar *)bg_bits,
- bg_width, bg_height);
+static void init_background(GdkDrawable *drawable)
+{
+ cairo_surface_t *bg;
+ GtkWidget *check;
- gdk_gc_set_stipple(bg_gc, bitmap);
- gdk_gc_set_ts_origin(bg_gc, 0, 0);
+ 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);
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_string(builder, lbxgui_xml, -1, &err)) {
+ if (!gtk_builder_add_from_string(builder, lbxgui_glade, -1, &err)) {
fprintf(stderr, "%s\n", err->message);
return EXIT_FAILURE;
}
projects / liblbx.git / blobdiff