static void
goo_demo_item_init (GooDemoItem *demo_item)
{
- demo_item->x = 0.0;
- demo_item->y = 0.0;
- demo_item->width = 0.0;
- demo_item->height = 0.0;
+ demo_item->size = 0.0;
+}
+
+void
+goo_demo_item_move_to (GooCanvasItem *item,
+ gdouble x,
+ gdouble y)
+{
+ cairo_matrix_t matrix;
+
+ cairo_matrix_init_translate (&matrix, x, y);
+ goo_canvas_item_set_transform (item, &matrix);
+}
+
+void
+goo_demo_item_glide_to (GooCanvasItem *item,
+ gdouble x,
+ gdouble y)
+{
+ goo_canvas_item_animate (item, x, y,
+ 1.0, 0,
+ 500, 40,
+ GOO_CANVAS_ANIMATE_FREEZE);
}
/* The convenience function to create new items. This should start with a
goo_demo_item_new (GooCanvasItem *parent,
gdouble x,
gdouble y,
- gdouble width,
- gdouble height,
+ gdouble size,
char letter,
...)
{
item = g_object_new (GOO_TYPE_DEMO_ITEM, NULL);
demo_item = (GooDemoItem*) item;
- demo_item->x = x;
- demo_item->y = y;
- demo_item->width = width;
- demo_item->height = height;
+ demo_item->size = size;
demo_item->letter = letter;
va_start (var_args, letter);
g_object_unref (item);
}
+ goo_demo_item_move_to (item, x, y);
+
return item;
}
GooDemoItem *demo_item = (GooDemoItem*) simple;
/* Compute the new bounds. */
- simple->bounds.x1 = demo_item->x;
- simple->bounds.y1 = demo_item->y;
- simple->bounds.x2 = demo_item->x + demo_item->width;
- simple->bounds.y2 = demo_item->y + demo_item->height;
+ simple->bounds.x1 = 0;
+ simple->bounds.y1 = 0;
+ simple->bounds.x2 = demo_item->size;
+ simple->bounds.y2 = demo_item->size;
/* Convert to device coordinates. */
goo_canvas_item_simple_user_bounds_to_device (simple, cr, &simple->bounds);
GooDemoItem *item = (GooDemoItem*) simple;
cairo_pattern_t *gradient;
cairo_text_extents_t extents;
- int rad = (int) MIN (item->width / 2, item->height / 2);
- int cx = item->x + item->width / 2;
- int cy = item->y + item->height / 2;
+ int rad = (int) (item->size / 2);
+ int cx = item->size / 2;
+ int cy = cx;
+ int tx, ty;
double spot_angle = M_PI / 4.0;
double spot_rad = rad / 2.0;
char string[2];
string[0] = item->letter;
string[1] = '\0';
cairo_text_extents (cr, string, &extents);
- cairo_move_to (cr,
- cx - extents.width / 2 - extents.x_bearing,
- cy - extents.height / 2 - extents.y_bearing);
+ 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);
}
{
GooDemoItem *demo_item = (GooDemoItem*) simple;
- if (x < demo_item->x || (x > demo_item->x + demo_item->width)
- || y < demo_item->y || (y > demo_item->y + demo_item->height))
+ if (x < 0 || (x > demo_item->size)
+ || y < 0 || (y > demo_item->size))
return NULL;
return (GooCanvasItem*) simple;