reprap: c3 update etc

[simavr] / examples / shared / libc3 / src / c3cairo.c

diff --git a/examples/shared/libc3/src/c3cairo.c b/examples/shared/libc3/src/c3cairo.c
new file mode 100644 (file)
index 0000000..390a5c3
--- /dev/null
+++ b/examples/shared/libc3/src/c3cairo.c
@@ -0,0 +1,105 @@
+/*
+       c3cairo.c
+
+       Copyright 2008-2012 Michel Pollet <buserror@gmail.com>
+
+       This file is part of simavr.
+
+       simavr is free software: you can redistribute it and/or modify
+       it under the terms of the GNU General Public License as published by
+       the Free Software Foundation, either version 3 of the License, or
+       (at your option) any later version.
+
+       simavr 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 General Public License for more details.
+
+       You should have received a copy of the GNU General Public License
+       along with simavr.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "c3cairo.h"
+#include "c3driver_geometry.h"
+
+#if CONFIG_C3_CAIRO
+
+void
+_c3cairo_dispose(
+               c3geometry_p g,
+               const c3driver_geometry_t * d)
+{
+       c3cairo_p c = (c3cairo_p)g;
+
+       if (c->cr)
+               cairo_destroy(c->cr);
+       if (c->surface)
+               cairo_surface_destroy(c->surface);
+       C3_DRIVER_INHERITED(g, d, dispose);
+}
+
+static void
+_c3cairo_project(
+               c3geometry_p g,
+               const struct c3driver_geometry_t *d,
+               c3mat4p m)
+{
+       C3_DRIVER_INHERITED(g, d, project, m);
+}
+
+const c3driver_geometry_t c3cairo_base_driver = {
+       .dispose = _c3cairo_dispose,
+       .project = _c3cairo_project,
+};
+const c3driver_geometry_t c3texture_driver;
+const c3driver_geometry_t c3geometry_driver;
+
+c3cairo_p
+c3cairo_new(
+               struct c3object_t * parent)
+{
+       c3cairo_p res = malloc(sizeof(*res));
+       return c3cairo_init(res, parent);
+}
+
+c3cairo_p
+c3cairo_init(
+               c3cairo_p o,
+               struct c3object_t * parent)
+{
+       memset(o, 0, sizeof(*o));
+       c3texture_init(&o->tex, parent);
+
+       static const c3driver_geometry_t * list[] = {
+                       &c3cairo_base_driver, &c3texture_driver, &c3geometry_driver, NULL,
+       };
+       ((c3geometry_p)o)->driver = list;
+
+       return o;
+}
+
+c3cairo_p
+c3cairo_new_offscreen(
+               struct c3object_t * parent,
+               int w, int h)
+{
+       c3cairo_p o = c3cairo_new(parent);
+
+       o->surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, w, h);
+       o->cr = cairo_create(o->surface);
+
+       c3pixels_p dst = c3pixels_new(w, h, 4,
+                       cairo_image_surface_get_stride(o->surface),
+                       cairo_image_surface_get_data(o->surface));
+       o->tex.geometry.mat.texture = dst;
+
+       return o;
+}
+
+#if 0
+cairo_surface_destroy(_surface);
+else
+cairo_surface_finish(_surface);
+#endif
+#endif // CONFIG_C3_CAIRO