From 2e4810aaf79827a1d9acc693b5cfc70f6038ec27 Mon Sep 17 00:00:00 2001 From: Benjamin Otte Date: Fri, 15 Oct 2010 12:54:34 +0200 Subject: gnome-canvas: Update GnomeCanvasPixbuf for gobject niceties G_DEFINE_TYPE and private data, here we come! --- libgnomecanvas/gnome-canvas-pixbuf.c | 94 +++++++++++------------------------- libgnomecanvas/gnome-canvas-pixbuf.h | 3 +- 2 files changed, 29 insertions(+), 68 deletions(-) (limited to 'libgnomecanvas') diff --git a/libgnomecanvas/gnome-canvas-pixbuf.c b/libgnomecanvas/gnome-canvas-pixbuf.c index 2d5197ae53..07c9415e26 100644 --- a/libgnomecanvas/gnome-canvas-pixbuf.c +++ b/libgnomecanvas/gnome-canvas-pixbuf.c @@ -30,7 +30,7 @@ #include "gnome-canvas-pixbuf.h" /* Private part of the GnomeCanvasPixbuf structure */ -typedef struct { +struct _GnomeCanvasPixbufPrivate { /* Our gdk-pixbuf */ GdkPixbuf *pixbuf; @@ -53,7 +53,7 @@ typedef struct { guint height_in_pixels : 1; guint x_in_pixels : 1; guint y_in_pixels : 1; -} PixbufPrivate; +}; /* Object argument IDs */ enum { @@ -71,8 +71,6 @@ enum { PROP_Y_IN_PIXELS }; -static void gnome_canvas_pixbuf_class_init (GnomeCanvasPixbufClass *class); -static void gnome_canvas_pixbuf_init (GnomeCanvasPixbuf *cpb); static void gnome_canvas_pixbuf_destroy (GnomeCanvasItem *object); static void gnome_canvas_pixbuf_set_property (GObject *object, guint param_id, @@ -95,45 +93,10 @@ static GnomeCanvasItem *gnome_canvas_pixbuf_point (GnomeCanvasItem *item, static void gnome_canvas_pixbuf_bounds (GnomeCanvasItem *item, gdouble *x1, gdouble *y1, gdouble *x2, gdouble *y2); -static GnomeCanvasItemClass *parent_class; +G_DEFINE_TYPE (GnomeCanvasPixbuf, gnome_canvas_pixbuf, GNOME_TYPE_CANVAS_ITEM) -/** - * gnome_canvas_pixbuf_get_type: - * @void: - * - * Registers the #GnomeCanvasPixbuf class if necessary, and returns the type ID - * associated to it. - * - * Return value: The type ID of the #GnomeCanvasPixbuf class. - **/ -GType -gnome_canvas_pixbuf_get_type (void) -{ - static GType pixbuf_type; - - if (!pixbuf_type) { - const GTypeInfo object_info = { - sizeof (GnomeCanvasPixbufClass), - (GBaseInitFunc) NULL, - (GBaseFinalizeFunc) NULL, - (GClassInitFunc) gnome_canvas_pixbuf_class_init, - (GClassFinalizeFunc) NULL, - NULL, /* class_data */ - sizeof (GnomeCanvasPixbuf), - 0, /* n_preallocs */ - (GInstanceInitFunc) gnome_canvas_pixbuf_init, - NULL /* value_table */ - }; - - pixbuf_type = g_type_register_static (GNOME_TYPE_CANVAS_ITEM, "GnomeCanvasPixbuf", - &object_info, 0); - } - - return pixbuf_type; -} - /* Class initialization function for the pixbuf canvas item */ static void gnome_canvas_pixbuf_class_init (GnomeCanvasPixbufClass *class) @@ -144,8 +107,6 @@ gnome_canvas_pixbuf_class_init (GnomeCanvasPixbufClass *class) gobject_class = (GObjectClass *) class; item_class = (GnomeCanvasItemClass *) class; - parent_class = g_type_class_peek_parent (class); - gobject_class->set_property = gnome_canvas_pixbuf_set_property; gobject_class->get_property = gnome_canvas_pixbuf_get_property; @@ -221,17 +182,20 @@ gnome_canvas_pixbuf_class_init (GnomeCanvasPixbufClass *class) item_class->draw = gnome_canvas_pixbuf_draw; item_class->point = gnome_canvas_pixbuf_point; item_class->bounds = gnome_canvas_pixbuf_bounds; + + g_type_class_add_private (class, sizeof (GnomeCanvasPixbufPrivate)); } /* Object initialization function for the pixbuf canvas item */ static void gnome_canvas_pixbuf_init (GnomeCanvasPixbuf *gcp) { - PixbufPrivate *priv; - - priv = g_new0 (PixbufPrivate, 1); - gcp->priv = priv; + GnomeCanvasPixbufPrivate *priv; + priv = gcp->priv = G_TYPE_INSTANCE_GET_PRIVATE (gcp, + GNOME_TYPE_CANVAS_PIXBUF, + GnomeCanvasPixbufPrivate); + priv->width = 0.0; priv->height = 0.0; priv->x = 0.0; @@ -244,27 +208,23 @@ gnome_canvas_pixbuf_destroy (GnomeCanvasItem *object) { GnomeCanvasItem *item; GnomeCanvasPixbuf *gcp; - PixbufPrivate *priv; + GnomeCanvasPixbufPrivate *priv; g_return_if_fail (object != NULL); g_return_if_fail (GNOME_IS_CANVAS_PIXBUF (object)); item = GNOME_CANVAS_ITEM (object); - gcp = (GNOME_CANVAS_PIXBUF (object)); + gcp = GNOME_CANVAS_PIXBUF (object); priv = gcp->priv; /* remember, destroy can be run multiple times! */ - - if (priv) { - if (priv->pixbuf) - g_object_unref (priv->pixbuf); - - g_free (priv); - gcp->priv = NULL; + if (priv->pixbuf) { + g_object_unref (priv->pixbuf); + priv->pixbuf = NULL; } - if (GNOME_CANVAS_ITEM_CLASS (parent_class)->destroy) - GNOME_CANVAS_ITEM_CLASS (parent_class)->destroy (object); + if (GNOME_CANVAS_ITEM_CLASS (gnome_canvas_pixbuf_parent_class)->destroy) + GNOME_CANVAS_ITEM_CLASS (gnome_canvas_pixbuf_parent_class)->destroy (object); } @@ -278,7 +238,7 @@ gnome_canvas_pixbuf_set_property (GObject *object, { GnomeCanvasItem *item; GnomeCanvasPixbuf *gcp; - PixbufPrivate *priv; + GnomeCanvasPixbufPrivate *priv; GdkPixbuf *pixbuf; gdouble val; @@ -370,7 +330,7 @@ gnome_canvas_pixbuf_get_property (GObject *object, GParamSpec *pspec) { GnomeCanvasPixbuf *gcp; - PixbufPrivate *priv; + GnomeCanvasPixbufPrivate *priv; g_return_if_fail (object != NULL); g_return_if_fail (GNOME_IS_CANVAS_PIXBUF (object)); @@ -472,7 +432,7 @@ compute_viewport_affine (GnomeCanvasPixbuf *gcp, gdouble *viewport_affine, gdouble *i2c) { - PixbufPrivate *priv; + GnomeCanvasPixbufPrivate *priv; ArtPoint i_c, j_c; gdouble i_len, j_len; gdouble si_len, sj_len; @@ -578,7 +538,7 @@ static void recompute_bounding_box (GnomeCanvasPixbuf *gcp, gdouble *i2c) { GnomeCanvasItem *item; - PixbufPrivate *priv; + GnomeCanvasPixbufPrivate *priv; gdouble ra[6]; ArtDRect rect; @@ -627,13 +587,13 @@ gnome_canvas_pixbuf_update (GnomeCanvasItem *item, gint flags) { GnomeCanvasPixbuf *gcp; - PixbufPrivate *priv; + GnomeCanvasPixbufPrivate *priv; gcp = GNOME_CANVAS_PIXBUF (item); priv = gcp->priv; - if (parent_class->update) - (* parent_class->update) (item, affine, clip_path, flags); + if (GNOME_CANVAS_ITEM_CLASS (gnome_canvas_pixbuf_parent_class)->update) + GNOME_CANVAS_ITEM_CLASS (gnome_canvas_pixbuf_parent_class)->update (item, affine, clip_path, flags); /* ordinary update logic */ gnome_canvas_request_redraw ( @@ -714,7 +674,7 @@ gnome_canvas_pixbuf_draw (GnomeCanvasItem *item, GdkDrawable *drawable, gint x, gint y, gint width, gint height) { GnomeCanvasPixbuf *gcp; - PixbufPrivate *priv; + GnomeCanvasPixbufPrivate *priv; gdouble i2c[6], render_affine[6]; guchar *buf; GdkPixbuf *pixbuf; @@ -786,7 +746,7 @@ gnome_canvas_pixbuf_point (GnomeCanvasItem *item, gint cy) { GnomeCanvasPixbuf *gcp; - PixbufPrivate *priv; + GnomeCanvasPixbufPrivate *priv; gdouble i2c[6], render_affine[6], inv[6]; ArtPoint c, p; gint px, py; @@ -841,7 +801,7 @@ gnome_canvas_pixbuf_bounds (GnomeCanvasItem *item, gdouble *y2) { GnomeCanvasPixbuf *gcp; - PixbufPrivate *priv; + GnomeCanvasPixbufPrivate *priv; gdouble i2c[6], viewport_affine[6]; ArtDRect rect; diff --git a/libgnomecanvas/gnome-canvas-pixbuf.h b/libgnomecanvas/gnome-canvas-pixbuf.h index f8f4d72ad4..3c4141da72 100644 --- a/libgnomecanvas/gnome-canvas-pixbuf.h +++ b/libgnomecanvas/gnome-canvas-pixbuf.h @@ -38,12 +38,13 @@ G_BEGIN_DECLS typedef struct _GnomeCanvasPixbuf GnomeCanvasPixbuf; typedef struct _GnomeCanvasPixbufClass GnomeCanvasPixbufClass; +typedef struct _GnomeCanvasPixbufPrivate GnomeCanvasPixbufPrivate; struct _GnomeCanvasPixbuf { GnomeCanvasItem item; /* Private data */ - gpointer priv; + GnomeCanvasPixbufPrivate *priv; }; struct _GnomeCanvasPixbufClass { -- cgit v1.2.3