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/*
* $Id$
*
* Copyright © 2004 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include "twinint.h"
#include <X11/Xutil.h>
static void
_twin_x11_put_span (int x,
int y,
int width,
twin_argb32_t *pixels,
void *closure)
{
twin_x11_t *tx = closure;
XImage *image;
int ix = 0;
int iw = width;
image = XCreateImage (tx->dpy, tx->visual, tx->depth, ZPixmap,
0, 0, width, 1, 32, 0);
image->data = malloc (4 * width);
while (iw--)
{
twin_argb32_t pixel = *pixels++;
if (tx->depth == 16)
pixel = twin_argb32_to_rgb16 (pixel);
XPutPixel (image, ix, 0, pixel);
ix++;
}
XPutImage (tx->dpy, tx->win, tx->gc, image, 0, 0, x, y, width, 1);
XDestroyImage (image);
}
twin_x11_t *
twin_x11_create (Display *dpy, int width, int height)
{
twin_x11_t *tx;
int scr = DefaultScreen (dpy);
XSetWindowAttributes wa;
tx = malloc (sizeof (twin_x11_t));
if (!tx)
return 0;
tx->dpy = dpy;
tx->visual = DefaultVisual (dpy, scr);
tx->depth = DefaultDepth (dpy, scr);
wa.background_pixmap = None;
wa.event_mask = (KeyPressMask|
KeyReleaseMask|
ButtonPressMask|
ButtonReleaseMask|
PointerMotionMask|
ExposureMask|
StructureNotifyMask);
tx->win = XCreateWindow (dpy, RootWindow (dpy, scr),
0, 0, width, height, 0,
tx->depth, InputOutput,
tx->visual, CWBackPixmap|CWEventMask, &wa);
tx->gc = XCreateGC (dpy, tx->win, 0, 0);
tx->screen = twin_screen_create (width, height,
_twin_x11_put_span, tx);
XMapWindow (dpy, tx->win);
return tx;
}
void
twin_x11_destroy (twin_x11_t *tx)
{
twin_screen_destroy (tx->screen);
XDestroyWindow (tx->dpy, tx->win);
}
void
twin_x11_damage (twin_x11_t *tx, XExposeEvent *ev)
{
twin_screen_damage (tx->screen,
ev->x, ev->y, ev->x + ev->width, ev->y + ev->height);
}
void
twin_x11_configure (twin_x11_t *tx, XConfigureEvent *ev)
{
twin_screen_resize (tx->screen, ev->width, ev->height);
}
void
twin_x11_update (twin_x11_t *tx)
{
twin_screen_update (tx->screen);
}
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