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/*
* Copyright 2017 © Samsung Research America, Silicon Valley
*
* Use of this source code is governed by the 3-Clause BSD license
* specified in the COPYING file included with this source code.
*/
#include <config.h>
#include <err.h>
#include <stdlib.h>
#include <assert.h>
#include <cairo.h>
#include <cairo-xcb.h>
#include "xcb.h"
#include "device_config.h"
static xcb_state_t *state;
static cairo_surface_t *cairo_surface;
cairo_surface_t *
create_cairo_surface_xcb (const device_config_t& config)
{
// TODO: This needs initted to 0
state = (xcb_state_t*) malloc (sizeof (xcb_state_t));
if (!state) {
warnx ("Out of memory\n");
return NULL;
}
if (!createXCBContextAndWindow(state, config.width, config.height)) {
cleanup_state_xcb(state);
errx (-1, "Could not create XCB context and window\n");
}
assert(state->xcb_window >= 0);
assert(state->xcb_connection);
assert(state->xcb_visual_type);
// TODO: Do XCB-specific setup and surface creation
cairo_surface = cairo_xcb_surface_create(
state->xcb_connection, // XCB connection
state->xcb_window, // XCB drawable window
state->xcb_visual_type, // Visual to use for drawing to window
config.width, // Window width
config.height); // Window height
// TODO: Set background, clear colors, etc.
return cairo_surface;
}
void
destroy_cairo_xcb(void)
{
cleanup_state_xcb((void*)state);
cairo_surface_finish(cairo_surface);
// TODO: Do I need to destroy the surface here, or higher up? If here, then do I need to track
// cairo_surface in state? Uncommented, this causes a ref count fault, so it appears to
// already have been destroyed (maybe by _finish?)
//cairo_surface_destroy(cairo_surface);
}
void
update_cairo_xcb(void)
{
// TODO
}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
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