Abstract tile-specific code out of demo-item.c

[wordgame] / rack-fancy.c

diff --git a/rack-fancy.c b/rack-fancy.c
index 99d0aa0fa9b305ffd8e8255cd781ac9d8a6f2102..abd22286f155ad02347875aeaf1507230768af5d 100644 (file)
--- a/rack-fancy.c
+++ b/rack-fancy.c
@@ -34,6 +34,7 @@ typedef struct _tile
     char letter;
     int rack_index;
     int x, y;
+    int size;
     GooCanvasItem *item;
     gboolean guessed;
 } tile_t;
@@ -66,6 +67,86 @@ guess_tile_position (int i, int *x, int *y)
     *y -= (LETTER_SIZE + LETTER_PAD);
 }
 
+static void
+tile_paint (cairo_t *cr, void *closure)
+{
+    tile_t *tile = closure;
+
+    cairo_pattern_t *gradient;
+    cairo_text_extents_t extents;
+    int rad = (int) (tile->size / 2);
+    int cx = tile->size / 2;
+    int cy = cx;
+    int tx, ty;
+    double spot_angle = M_PI / 4.0;
+    double spot_rad = rad / 2.0;
+    char string[2];
+
+    cairo_save (cr);
+
+    gradient = cairo_pattern_create_radial (cx - spot_rad * cos (spot_angle),
+                                           cy - spot_rad * sin (spot_angle),
+                                           0.0,
+                                           cx - spot_rad * cos (spot_angle),
+                                           cy - spot_rad * sin (spot_angle),
+                                           rad + spot_rad);
+    cairo_pattern_add_color_stop_rgb (gradient, 0.0, 1.0, 1.0, 1.0);
+    cairo_pattern_add_color_stop_rgb (gradient, 1.0, 0.33, 0.33, 0.33);
+
+    cairo_set_source (cr, gradient);
+
+    cairo_arc (cr,
+              cx, cy,
+              rad, 0, 2 * M_PI);
+
+    cairo_fill (cr);
+
+    cairo_select_font_face (cr, "mono",
+                           CAIRO_FONT_SLANT_NORMAL,
+                           CAIRO_FONT_WEIGHT_BOLD);
+    cairo_set_font_size (cr, 1.8 * rad);
+
+    string[0] = tile->letter;
+    string[1] = '\0';
+    cairo_text_extents (cr, string, &extents);
+    tx = cx - extents.width / 2 - extents.x_bearing;
+    ty = cy - extents.height / 2 - extents.y_bearing;
+
+    cairo_set_source_rgb (cr, 0.7, 0.7, 0.7);
+    cairo_move_to (cr, tx + 1, ty + 1);
+    cairo_show_text (cr, string);
+               
+    cairo_set_source_rgb (cr, 0.33, 0.33, 0.33);
+    cairo_move_to (cr, tx - 1, ty - 1);
+    cairo_show_text (cr, string);
+
+    cairo_set_source_rgb (cr, 0.2, 0.3, 0.8);
+    cairo_move_to (cr, tx, ty);
+    cairo_show_text (cr, string);
+
+    cairo_restore (cr);
+}
+
+static void
+tile_move_to (tile_t *tile, int x, int y)
+{
+    cairo_matrix_t matrix;
+
+    cairo_matrix_init_translate (&matrix, x, y);
+    goo_canvas_item_set_transform (tile->item, &matrix);
+}
+
+static void
+tile_glide_to (tile_t *tile, int x, int y)
+{
+    goo_canvas_item_animate (tile->item, x, y,
+                            1.0, 0,
+                            500, 40,
+                            GOO_CANVAS_ANIMATE_FREEZE);
+    tile->x = x;
+    tile->y = y;
+}
+
 static tile_t *
 tile_create (GooCanvasItem *parent,
             char letter, int rack_index)
@@ -76,24 +157,19 @@ tile_create (GooCanvasItem *parent,
     tile->letter = tolower (letter);
     tile->rack_index = rack_index;
     rack_tile_position (rack_index, &tile->x, &tile->y);
+    tile->size = LETTER_SIZE;
     tile->item = goo_demo_item_new (parent,
-                                   tile->x, tile->y,
-                                   LETTER_SIZE,
-                                   toupper (letter),
-                                   NULL);
+                                   tile->size,
+                                   tile_paint,
+                                   tile);
+
+    tile_move_to (tile, tile->x, tile->y);
+
     tile->guessed = FALSE;
 
     return tile;
 }
 
-static void
-tile_glide_to (tile_t *tile, int x, int y)
-{
-    goo_demo_item_glide_to (tile->item, x, y);
-    tile->x = x;
-    tile->y = y;
-}
-
 static gboolean
 on_delete_event (GtkWidget *window,
                 GdkEvent  *event,