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authorBenjamin Otte <otte@redhat.com>2010-10-20 19:05:25 +0800
committerMatthew Barnes <mbarnes@redhat.com>2010-10-30 01:50:03 +0800
commitecee88725fa7099e258f44d29250dadf7c3bf2fe (patch)
treeb496a31fea7c4c759d5475c50c5c5e6f8194d933 /libgnomecanvas
parent861c878514348699ba66aa440e219e10ce393c9a (diff)
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gnome-canvas: Port drawing to use cairo
Diffstat (limited to 'libgnomecanvas')
-rw-r--r--libgnomecanvas/gnome-canvas.c40
-rw-r--r--libgnomecanvas/gnome-canvas.h3
2 files changed, 14 insertions, 29 deletions
diff --git a/libgnomecanvas/gnome-canvas.c b/libgnomecanvas/gnome-canvas.c
index 09acab0ce7..758a7ee728 100644
--- a/libgnomecanvas/gnome-canvas.c
+++ b/libgnomecanvas/gnome-canvas.c
@@ -2038,8 +2038,6 @@ gnome_canvas_realize (GtkWidget *widget)
/* Create our own temporary pixmap gc and realize all the items */
- canvas->pixmap_gc = gdk_gc_new (bin_window);
-
(* GNOME_CANVAS_ITEM_GET_CLASS (canvas->root)->realize) (canvas->root);
}
@@ -2059,9 +2057,6 @@ gnome_canvas_unrealize (GtkWidget *widget)
(* GNOME_CANVAS_ITEM_GET_CLASS (canvas->root)->unrealize) (canvas->root);
- g_object_unref (canvas->pixmap_gc);
- canvas->pixmap_gc = NULL;
-
if (GTK_WIDGET_CLASS (canvas_parent_class)->unrealize)
(* GTK_WIDGET_CLASS (canvas_parent_class)->unrealize) (widget);
}
@@ -2687,8 +2682,7 @@ gnome_canvas_paint_rect (GnomeCanvas *canvas, gint x0, gint y0, gint x1, gint y1
gdouble hadjustment_value;
gdouble vadjustment_value;
GdkPixmap *pixmap;
- GdkVisual *visual;
- gint depth;
+ cairo_t *cr;
g_return_if_fail (!canvas->need_update);
@@ -2721,11 +2715,8 @@ gnome_canvas_paint_rect (GnomeCanvas *canvas, gint x0, gint y0, gint x1, gint y1
canvas->draw_xofs = draw_x1;
canvas->draw_yofs = draw_y1;
- visual = gtk_widget_get_visual (widget);
- depth = gdk_visual_get_depth (visual);
-
pixmap = gdk_pixmap_new (bin_window,
- draw_width, draw_height, depth);
+ draw_width, draw_height, -1);
g_signal_emit (G_OBJECT (canvas), canvas_signals[DRAW_BACKGROUND], 0, pixmap,
draw_x1, draw_y1, draw_width, draw_height);
@@ -2737,15 +2728,14 @@ gnome_canvas_paint_rect (GnomeCanvas *canvas, gint x0, gint y0, gint x1, gint y1
draw_width, draw_height);
/* Copy the pixmap to the window and clean up */
+ cr = gdk_cairo_create (bin_window);
- gdk_draw_drawable (bin_window,
- canvas->pixmap_gc,
- pixmap,
- 0, 0,
- draw_x1 + canvas->zoom_xofs,
- draw_y1 + canvas->zoom_yofs,
- draw_width, draw_height);
+ gdk_cairo_set_source_pixmap (cr, pixmap,
+ draw_x1 + canvas->zoom_xofs,
+ draw_y1 + canvas->zoom_yofs);
+ cairo_paint (cr);
+ cairo_destroy (cr);
g_object_unref (pixmap);
}
@@ -2811,17 +2801,15 @@ gnome_canvas_draw_background (GnomeCanvas *canvas, GdkDrawable *drawable,
gint x, gint y, gint width, gint height)
{
GtkStyle *style;
+ cairo_t *cr;
style = gtk_widget_get_style (GTK_WIDGET (canvas));
+ cr = gdk_cairo_create (drawable);
+
+ gdk_cairo_set_source_color (cr, &style->bg[GTK_STATE_NORMAL]);
+ cairo_paint (cr);
- /* By default, we use the style background. */
- gdk_gc_set_foreground (canvas->pixmap_gc,
- &style->bg[GTK_STATE_NORMAL]);
- gdk_draw_rectangle (drawable,
- canvas->pixmap_gc,
- TRUE,
- 0, 0,
- width, height);
+ cairo_destroy (cr);
}
static void
diff --git a/libgnomecanvas/gnome-canvas.h b/libgnomecanvas/gnome-canvas.h
index 7394ff2514..33fee2a00c 100644
--- a/libgnomecanvas/gnome-canvas.h
+++ b/libgnomecanvas/gnome-canvas.h
@@ -366,9 +366,6 @@ struct _GnomeCanvas {
/* If non-NULL, the currently focused item */
GnomeCanvasItem *focused_item;
- /* GC for temporary draw pixmap */
- GdkGC *pixmap_gc;
-
/* Event on which selection of current item is based */
GdkEvent pick_event;