GNOME.org
 

gnome-games r8442 - trunk/libgames-support

Author: chpe
Date: Tue Jan  6 18:18:49 2009
New Revision: 8442
URL: http://svn.gnome.org/viewvc/gnome-games?rev=8442&view=rev

Log:
Add class to load PySol card themes.

Added:
   trunk/libgames-support/games-card-theme-pysol.c
Modified:
   trunk/libgames-support/Makefile.am
   trunk/libgames-support/games-card-theme-fixed.c
   trunk/libgames-support/games-card-theme-private.h
   trunk/libgames-support/games-card-theme.c

Modified: trunk/libgames-support/Makefile.am
==============================================================================
--- trunk/libgames-support/Makefile.am	(original)
+++ trunk/libgames-support/Makefile.am	Tue Jan  6 18:18:49 2009
@@ -63,6 +63,7 @@
 	games-card-selector.c		\
 	games-card-selector.h		\
 	games-card-theme-preimage.c	\
+	games-card-theme-pysol.c	\
 	games-card-theme-sliced.c	\
 	games-preimage.c                \
 	games-preimage.h                \

Modified: trunk/libgames-support/games-card-theme-fixed.c
==============================================================================
--- trunk/libgames-support/games-card-theme-fixed.c	(original)
+++ trunk/libgames-support/games-card-theme-fixed.c	Tue Jan  6 18:18:49 2009
@@ -264,6 +264,7 @@
        * programme will surely crash when trying to render NULL pixbufs
        * later on!
        */
+      /* FIXMEchpe: emit changed signal here too!! */
       return FALSE;
     }
   }

Modified: trunk/libgames-support/games-card-theme-private.h
==============================================================================
--- trunk/libgames-support/games-card-theme-private.h	(original)
+++ trunk/libgames-support/games-card-theme-private.h	Tue Jan  6 18:18:49 2009
@@ -209,4 +209,20 @@
 
 GamesCardTheme* games_card_theme_fixed_new (void);
 
+/* GamesCardThemePysol */
+
+#define GAMES_TYPE_CARD_THEME_PYSOL            (games_card_theme_pysol_get_type ())
+#define GAMES_CARD_THEME_PYSOL(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GAMES_TYPE_CARD_THEME_PYSOL, GamesCardThemePysol))
+#define GAMES_CARD_THEME_PYSOL_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GAMES_TYPE_CARD_THEME_PYSOL, GamesCardThemePysolClass))
+#define GAMES_IS_CARD_THEME_PYSOL(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GAMES_TYPE_CARD_THEME_PYSOL))
+#define GAMES_IS_CARD_THEME_PYSOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GAMES_TYPE_CARD_THEME_PYSOL))
+#define GAMES_CARD_THEME_PYSOL_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GAMES_TYPE_CARD_THEME_PYSOL, GamesCardThemePysolClass))
+
+typedef struct _GamesCardThemePysolClass GamesCardThemePysolClass;
+typedef struct _GamesCardThemePysol      GamesCardThemePysol;
+
+GType games_card_theme_pysol_get_type (void);
+
+GamesCardTheme* games_card_theme_pysol_new (void);
+
 /* Utilities */

Added: trunk/libgames-support/games-card-theme-pysol.c
==============================================================================
--- (empty file)
+++ trunk/libgames-support/games-card-theme-pysol.c	Tue Jan  6 18:18:49 2009
@@ -0,0 +1,404 @@
+/*
+  Copyright  2004 Callum McKenzie
+  Copyright  2007, 2008 Christian Persch
+
+  This programme 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 programme 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 programme.  If not, see <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+#include <errno.h>
+#include <string.h>
+#include <glib.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <gtk/gtk.h>
+
+#include "games-find-file.h"
+#include "games-files.h"
+#include "games-preimage.h"
+#include "games-runtime.h"
+#include "games-string-utils.h"
+
+#include "games-card-theme.h"
+#include "games-card-theme-private.h"
+
+struct _GamesCardThemePysolClass {
+  GamesCardThemeClass parent_class;
+};
+
+struct _GamesCardThemePysol {
+  GamesCardTheme parent_instance;
+};
+
+/* #defining this prints out the time it takes to render the theme */
+/* #define INSTRUMENT_LOADING */
+
+#ifdef INSTRUMENT_LOADING
+static long totaltime = 0;
+#endif
+
+#define PYSOL_CONFIG_FILENAME "config.txt"
+
+typedef struct {
+  char *name;
+  char *base_path;
+  char *ext;
+  char *back_filename;
+  int version;
+  int type;
+  int n_cards;
+  CardSize card_size;
+  int card_delta;
+} PySolConfigTxtData;
+
+static void
+pysol_config_txt_data_free (PySolConfigTxtData *data)
+{
+  g_free (data->name);
+  g_free (data->base_path);
+  g_free (data->ext);
+  g_free (data->back_filename);
+  g_free (data);
+}
+
+static gboolean
+parse_int (char *string,
+           int *value)
+{
+  char *endptr;
+
+  errno = 0;
+  endptr = NULL;
+  *value = g_ascii_strtoll (string, &endptr, 10);
+
+  return errno == 0 && endptr != string;
+}
+
+static gboolean
+pysol_config_txt_parse_line_0 (PySolConfigTxtData *data,
+                               const char *line)
+{
+  char **fields;
+  gsize n_fields;
+  gboolean retval = FALSE;
+
+  /* FIXMEchpe */
+  data->version = 0;
+  data->n_cards = 52;
+  data->type = 1;
+
+  fields = g_strsplit (line, ";", -1);
+  if (!fields)
+    return FALSE;
+
+  n_fields = g_strv_length (fields);
+  if (n_fields < 2)
+    goto out;
+  if (!strcmp (g_strstrip (fields[0]), "PySol solitaire cardset") == 0)
+    goto out;
+  if (!parse_int (g_strstrip (fields[1]), &data->version))
+    goto out;
+
+  if (data->version >= 3) {
+    if (n_fields < 4)
+      goto out;
+    data->ext = g_strstrip (g_strdup (fields[2]));
+    if (!parse_int (fields[3], &data->type))
+      goto out;
+    if (!parse_int (fields[4], &data->n_cards))
+      goto out;
+  }
+
+  retval = TRUE;
+out:
+  g_strfreev (fields);
+  return retval;
+}
+
+static gboolean
+pysol_config_txt_parse_line_1 (PySolConfigTxtData *data,
+                               const char *line)
+{
+  char **fields;
+  gsize n_fields;
+  gboolean retval = FALSE;
+
+  fields = g_strsplit (line, ";", -1);
+  if (!fields)
+    return FALSE;
+  n_fields = g_strv_length (fields);
+  if (n_fields < 2)
+    goto out;
+
+  data->name = g_strstrip (g_strdup (fields[1]));
+
+  retval = TRUE;
+out:
+  g_strfreev (fields);
+  return retval;
+}
+
+static gboolean
+pysol_config_txt_parse_line_2 (PySolConfigTxtData *data,
+                               const char *line)
+{
+  char **fields;
+  gsize n_fields;
+  gboolean retval = FALSE;
+
+  fields = g_strsplit (line, " ", -1);
+  if (!fields)
+    return FALSE;
+  n_fields = g_strv_length (fields);
+  if (n_fields != 3)
+    goto out;
+  if (!parse_int (g_strstrip (fields[0]), &data->card_size.width) ||
+      !parse_int (g_strstrip (fields[1]), &data->card_size.height) ||
+      !parse_int (g_strstrip (fields[2]), &data->card_delta))
+    goto out;
+
+  retval = TRUE;
+out:
+  g_strfreev (fields);
+  return retval;
+}
+
+static gboolean
+pysol_config_txt_parse_line_4 (PySolConfigTxtData *data,
+                               const char *line)
+{
+  data->back_filename = g_strstrip (g_strdup (line));
+  return TRUE;
+}
+
+static PySolConfigTxtData *
+pysol_config_txt_parse (const char *path,
+                        const char *subdir)
+{
+  PySolConfigTxtData *pysol_data = NULL;
+  char *config_txt_path;
+  char *data = NULL;
+  char **lines = NULL;
+  gsize len;
+  gboolean retval = FALSE;
+
+  config_txt_path = g_build_filename (path, subdir, PYSOL_CONFIG_FILENAME, NULL);
+  if (!g_file_get_contents (config_txt_path, &data, &len, NULL) || !len)
+    goto out;
+
+  lines = g_strsplit (data, "\n", -1);
+  if (!lines || g_strv_length (lines) < 6)
+    goto out;
+
+  pysol_data = g_new0 (PySolConfigTxtData, 1);
+  if (!pysol_config_txt_parse_line_0 (pysol_data, g_strstrip (lines[0])) ||
+        pysol_data->n_cards != 52 ||
+      !pysol_config_txt_parse_line_1 (pysol_data, g_strstrip (lines[1])) ||
+        !pysol_data->name ||
+      !pysol_config_txt_parse_line_2 (pysol_data, g_strstrip (lines[2])) ||
+      !pysol_config_txt_parse_line_4 (pysol_data, g_strstrip (lines[4])) ||
+        !pysol_data->back_filename)
+    goto out;
+
+  pysol_data->base_path = g_build_filename (path, subdir, NULL);
+  if (!pysol_data->ext)
+    pysol_data->ext = g_strdup (".gif");
+
+  retval = TRUE;
+
+out:
+  g_free (config_txt_path);
+  g_free (data);
+  g_strfreev (lines);
+
+  if (retval)
+    return pysol_data;
+
+  if (pysol_data)
+    pysol_config_txt_data_free (pysol_data);
+    
+  return NULL;
+}
+
+/* Class implementation */
+
+G_DEFINE_TYPE (GamesCardThemePysol, games_card_theme_pysol, GAMES_TYPE_CARD_THEME);
+
+static gboolean
+games_card_theme_pysol_load (GamesCardTheme *card_theme,
+                             GError **error)
+{
+  /* nothing more to do here, we have all the info in our PySolConfigTxtData */
+  return TRUE;
+}
+
+static GdkPixbuf *
+games_card_theme_pysol_load_card (PySolConfigTxtData *data,
+                                  int card_id)
+{
+  GdkPixbuf *pixbuf;
+  char *path;
+  GError *error = NULL;
+
+  if (G_UNLIKELY (card_id == GAMES_CARD_SLOT)) {
+    path = g_build_filename (data->base_path, "bottom01.gif" /* FIXMEchpe ext! */, NULL);
+  } else if (G_UNLIKELY (card_id == GAMES_CARD_BACK)) {
+    path = g_build_filename (data->base_path, data->back_filename, NULL);
+  } else {
+    static const char suit_char[] = "cdhs";
+    int suit, rank;
+    char filename[32];
+
+    suit = card_id / 13;
+    rank = card_id % 13;
+
+    if (G_UNLIKELY (suit == 4)) /* Joker */
+      return NULL; /* FIXMEchpe */
+
+    g_snprintf (filename, sizeof (filename), "%02d%c%s", rank + 1, suit_char[suit], data->ext);
+    path = g_build_filename (data->base_path, filename, NULL);
+  }
+
+  pixbuf = gdk_pixbuf_new_from_file (path, &error);
+  if (!pixbuf) {
+    g_warning ("Failed to load card ID %d: %s\n", card_id, error->message);
+    g_error_free (error);
+  }
+
+  g_free (path);
+
+  return pixbuf;
+}
+
+static void
+games_card_theme_pysol_init (GamesCardThemePysol *theme)
+{
+}
+
+static gboolean
+games_card_theme_pysol_set_card_size (GamesCardTheme *card_theme,
+                                      int width,
+                                      int height,
+                                      double proportion)
+{
+  /* not changing, ever */
+  return FALSE;
+}
+
+static CardSize
+games_card_theme_pysol_get_card_size (GamesCardTheme *card_theme)
+{
+  GamesCardThemeInfo *theme_info = card_theme->theme_info;
+  PySolConfigTxtData *pysol_data = theme_info->data;
+
+  return pysol_data->card_size;
+}
+
+static double
+games_card_theme_pysol_get_card_aspect (GamesCardTheme *card_theme)
+{
+  PySolConfigTxtData *pysol_data = card_theme->theme_info->data;
+
+  return ((double) pysol_data->card_size.width) / ((double) pysol_data->card_size.height);
+}
+
+static GdkPixbuf *
+games_card_theme_pysol_get_card_pixbuf (GamesCardTheme *card_theme,
+                                        int card_id)
+{
+  GdkPixbuf *pixbuf;
+
+#ifdef INSTRUMENT_LOADING
+  clock_t t1, t2;
+
+  t1 = clock ();
+#endif
+
+  pixbuf = games_card_theme_pysol_load_card (card_theme->theme_info->data, card_id);
+
+#ifdef INSTRUMENT_LOADING
+  t2 = clock ();
+  totaltime += (t2 - t1);
+  g_print ("took %.3fs to render card %d (cumulative: %.3fs)\n",
+           (t2 - t1) * 1.0 / CLOCKS_PER_SEC, card_id,
+           totaltime * 1.0 / CLOCKS_PER_SEC);
+#endif
+
+  return pixbuf;
+}
+
+static GamesCardThemeInfo *
+games_card_theme_pysol_class_get_theme_info (GamesCardThemeClass *klass,
+                                             const char *path,
+                                             const char *filename)
+{
+  GamesCardThemeInfo *info = NULL;
+  PySolConfigTxtData *pysol_data;
+  char *display_name;
+
+  pysol_data = pysol_config_txt_parse (path, filename);
+  if (!pysol_data)
+    return NULL;
+
+  display_name = g_strdup_printf ("%s (PySol)", pysol_data->name);
+
+  info = _games_card_theme_info_new (G_OBJECT_CLASS_TYPE (klass),
+                                     path,
+                                     filename,
+                                     display_name,
+                                     pysol_data,
+                                     (GDestroyNotify) pysol_config_txt_data_free);
+  g_free (display_name);
+
+  return info;
+}
+
+static void
+games_card_theme_pysol_class_get_theme_infos (GamesCardThemeClass *klass,
+                                              GList **list)
+{
+  _games_card_theme_class_append_theme_info_foreach_env
+    (klass, "GAMES_CARD_THEME_PATH_PYSOL", list);
+
+  /* FIXMEchpe: is this univeral or ubuntu specific? */
+  _games_card_theme_class_append_theme_info_foreach
+    (klass, "/usr/share/games/pysol", list);
+}
+
+static void
+games_card_theme_pysol_class_init (GamesCardThemePysolClass * klass)
+{
+  GamesCardThemeClass *theme_class = GAMES_CARD_THEME_CLASS (klass);
+
+  theme_class->get_theme_info = games_card_theme_pysol_class_get_theme_info;
+  theme_class->get_theme_infos = games_card_theme_pysol_class_get_theme_infos;
+
+  theme_class->load = games_card_theme_pysol_load;
+  theme_class->set_card_size = games_card_theme_pysol_set_card_size;
+  theme_class->get_card_size = games_card_theme_pysol_get_card_size;
+  theme_class->get_card_aspect = games_card_theme_pysol_get_card_aspect;
+  theme_class->get_card_pixbuf = games_card_theme_pysol_get_card_pixbuf;
+}
+
+/* public API */
+
+/**
+ * games_card_theme_pysol_new:
+ *
+ * Returns: a new #GamesCardThemePysol
+ */
+GamesCardTheme *
+games_card_theme_pysol_new (void)
+{
+  return g_object_new (GAMES_TYPE_CARD_THEME_PYSOL, NULL);
+}

Modified: trunk/libgames-support/games-card-theme.c
==============================================================================
--- trunk/libgames-support/games-card-theme.c	(original)
+++ trunk/libgames-support/games-card-theme.c	Tue Jan  6 18:18:49 2009
@@ -105,6 +105,7 @@
 #endif
 #ifndef HAVE_HILDON
     GAMES_TYPE_CARD_THEME_SLICED,
+    GAMES_TYPE_CARD_THEME_PYSOL,
 #endif
     GAMES_TYPE_CARD_THEME_FIXED
   };
[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]