From f913a8da9e1bbd0088bb84372b2db8e46fff20f0 Mon Sep 17 00:00:00 2001 From: Nick Bowler Date: Sun, 7 Feb 2010 18:37:29 -0500 Subject: [PATCH] lbxgui: Add initial support for decoding and displaying images. --- src/gui/lbxgui.c | 199 ++++++++++++++++++++++++++++++++++++++++--- src/gui/lbxgui.glade | 79 +++++++++++++++-- 2 files changed, 263 insertions(+), 15 deletions(-) diff --git a/src/gui/lbxgui.c b/src/gui/lbxgui.c index 6705d72..2d60e6e 100644 --- a/src/gui/lbxgui.c +++ b/src/gui/lbxgui.c @@ -1,11 +1,157 @@ +#include #include +#include #include #include "lbx.h" +#include "image.h" 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]; + +GdkPixbuf *framebuf; + +gboolean canvas_expose(GtkWidget *canvas, GdkEventExpose *event, gpointer data) +{ + if (!framebuf) + return TRUE; + + 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); + + return TRUE; +} + +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 init_framedata(void) +{ + struct lbx_imginfo info; + unsigned char **imgdata, **imgmask; + unsigned char *data; + unsigned stride; + + lbximg_getinfo(image, &info); + imgdata = lbximg_getframe(image, 0); + if (!imgdata) { + printf("failed to decode frame 0\n"); + return -1; + } + imgmask = lbximg_getmask(image); + + framebuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, + info.width, info.height); + if (!framebuf) { + printf("failed to allocate pixbuf\n"); + return -1; + } + + data = gdk_pixbuf_get_pixels(framebuf); + stride = gdk_pixbuf_get_rowstride(framebuf); + + 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; + } + } + } + + gtk_widget_set_size_request(canvas, info.width, info.height); + gdk_window_invalidate_rect(canvas->window, NULL, FALSE); + return 0; +} + +static int img_close(void *handle) +{ + lbx_file_close(handle); + return 0; +} + +void set_image_data(GtkComboBox *combo) +{ + GtkTreeIter iter; + gpointer lbx; + guint index; + LBXfile *f; + + 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) { + 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); + } + + if (init_framedata() == -1) { + puts("crap"); + lbximg_close(image); + } + } else { + puts("fuck"); + lbx_file_close(f); + } + } else { + puts("damn"); + } +} + +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); +} + int load_archive(const char *path) { gchar *basename; @@ -19,7 +165,10 @@ int load_archive(const char *path) 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); @@ -28,22 +177,40 @@ int load_archive(const char *path) lbx_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; } +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, @@ -60,10 +227,15 @@ void open_archive(GtkWidget *widget) 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); } @@ -74,16 +246,21 @@ static void interface_init(void) { GtkTreeViewColumn *column; GtkCellRenderer *renderer; + GtkComboBox *combo; 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); + + 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); } int main(int argc, char **argv) @@ -96,7 +273,8 @@ int main(int argc, char **argv) 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++); @@ -107,6 +285,7 @@ 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(); gtk_builder_connect_signals(builder, window); diff --git a/src/gui/lbxgui.glade b/src/gui/lbxgui.glade index b9f9e89..1896267 100644 --- a/src/gui/lbxgui.glade +++ b/src/gui/lbxgui.glade @@ -45,6 +45,28 @@ + + + True + True + _Help + True + + + True + + + gtk-about + True + True + True + + + + + + + False @@ -52,17 +74,64 @@ - + True True - never - automatic - + True True - False + never + automatic + + + True + True + False + False + + + + + False + True + + + + + True + vertical + + + True + + + + False + 0 + + + + + True + queue + etched-in + + + True + + + + + + 1 + + + + True + True + -- 2.43.2