gtk2/gdk/broadway/gdkdrawcontext-broadway.c
2018-04-24 23:24:55 +02:00

101 lines
3.3 KiB
C

/* GDK - The GIMP Drawing Kit
*
* Copyright © 2018 Benjamin Otte
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gdkconfig.h"
#include "gdkdrawcontext-broadway.h"
#include "gdktextureprivate.h"
#include "gdkprivate-broadway.h"
G_DEFINE_TYPE (GdkBroadwayDrawContext, gdk_broadway_draw_context, GDK_TYPE_DRAW_CONTEXT)
static void
gdk_broadway_draw_context_dispose (GObject *object)
{
G_OBJECT_CLASS (gdk_broadway_draw_context_parent_class)->dispose (object);
}
static void
gdk_broadway_draw_context_begin_frame (GdkDrawContext *draw_context,
cairo_region_t *region)
{
GdkBroadwayDrawContext *self = GDK_BROADWAY_DRAW_CONTEXT (draw_context);
GdkSurface *surface = gdk_draw_context_get_surface (GDK_DRAW_CONTEXT (self));
cairo_region_union_rectangle (region,
&(cairo_rectangle_int_t) {
0, 0,
gdk_surface_get_width (surface),
gdk_surface_get_height (surface)
});
g_assert (self->nodes == NULL);
g_assert (self->node_textures == NULL);
self->nodes = g_array_new (FALSE, FALSE, sizeof(guint32));
self->node_textures = g_ptr_array_new_with_free_func (g_object_unref);
}
static void
gdk_broadway_draw_context_end_frame (GdkDrawContext *draw_context,
cairo_region_t *painted)
{
GdkBroadwayDrawContext *self = GDK_BROADWAY_DRAW_CONTEXT (draw_context);
GdkSurface *surface = gdk_draw_context_get_surface (draw_context);
gdk_broadway_surface_set_nodes (surface, self->nodes, self->node_textures);
g_array_unref (self->nodes);
self->nodes = NULL;
g_ptr_array_unref (self->node_textures);
self->node_textures = NULL;
}
static void
gdk_broadway_draw_context_surface_resized (GdkDrawContext *draw_context)
{
}
static void
gdk_broadway_draw_context_class_init (GdkBroadwayDrawContextClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GdkDrawContextClass *draw_context_class = GDK_DRAW_CONTEXT_CLASS (klass);
gobject_class->dispose = gdk_broadway_draw_context_dispose;
draw_context_class->begin_frame = gdk_broadway_draw_context_begin_frame;
draw_context_class->end_frame = gdk_broadway_draw_context_end_frame;
draw_context_class->surface_resized = gdk_broadway_draw_context_surface_resized;
}
static void
gdk_broadway_draw_context_init (GdkBroadwayDrawContext *self)
{
}
GdkBroadwayDrawContext *
gdk_broadway_draw_context_context (GdkSurface *surface)
{
return g_object_new (GDK_TYPE_BROADWAY_DRAW_CONTEXT,
"surface", surface,
NULL);
}