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Make the splash screen alternate "fade out" and "fade in" action at

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regular intervals, when the module is used as a screen saver.

Submitted by: asami
This commit is contained in:
Kazutaka YOKOTA 1999-03-29 15:13:53 +00:00
parent d1a9e1a0cb
commit ccd4815963
2 changed files with 40 additions and 10 deletions
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25
sys/dev/fb/splash_bmp.c
View File

@ -24,7 +24,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: splash_bmp.c,v 1.5 1999/01/26 10:00:02 yokota Exp $
* $Id: splash_bmp.c,v 1.6 1999/02/05 11:52:13 yokota Exp $
*/
#include <sys/param.h>
@ -37,7 +37,8 @@
#include <dev/fb/fbreg.h>
#include <dev/fb/splashreg.h>
#define FADE_TIMEOUT 300 /* sec */
#define FADE_TIMEOUT 15 /* sec */
#define FADE_LEVELS 10
static int splash_mode = -1;
static int splash_on = FALSE;
@ -98,6 +99,8 @@ bmp_splash(video_adapter_t *adp, int on)
{
static u_char pal[256*3];
static long time_stamp;
u_char tpal[256*3];
static int fading = TRUE, brightness = FADE_LEVELS;
struct timeval tv;
int i;
@ -122,11 +125,23 @@ bmp_splash(video_adapter_t *adp, int on)
if (time_stamp == 0)
time_stamp = tv.tv_sec;
if (tv.tv_sec > time_stamp + FADE_TIMEOUT) {
if (fading)
if (brightness == 0) {
fading = FALSE;
brightness++;
}
else brightness--;
else
if (brightness == FADE_LEVELS) {
fading = TRUE;
brightness--;
}
else brightness++;
for (i = 0; i < sizeof(pal); ++i) {
if (pal[i] > 40)
pal[i] -= 4;
tpal[i] = pal[i] * brightness / FADE_LEVELS;
}
(*vidsw[adp->va_index]->load_palette)(adp, pal);
(*vidsw[adp->va_index]->load_palette)(adp, tpal);
time_stamp = tv.tv_sec;
}
}
return 0;

25
sys/modules/splash/bmp/splash_bmp.c
View File

@ -24,7 +24,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: splash_bmp.c,v 1.5 1999/01/26 10:00:02 yokota Exp $
* $Id: splash_bmp.c,v 1.6 1999/02/05 11:52:13 yokota Exp $
*/
#include <sys/param.h>
@ -37,7 +37,8 @@
#include <dev/fb/fbreg.h>
#include <dev/fb/splashreg.h>
#define FADE_TIMEOUT 300 /* sec */
#define FADE_TIMEOUT 15 /* sec */
#define FADE_LEVELS 10
static int splash_mode = -1;
static int splash_on = FALSE;
@ -98,6 +99,8 @@ bmp_splash(video_adapter_t *adp, int on)
{
static u_char pal[256*3];
static long time_stamp;
u_char tpal[256*3];
static int fading = TRUE, brightness = FADE_LEVELS;
struct timeval tv;
int i;
@ -122,11 +125,23 @@ bmp_splash(video_adapter_t *adp, int on)
if (time_stamp == 0)
time_stamp = tv.tv_sec;
if (tv.tv_sec > time_stamp + FADE_TIMEOUT) {
if (fading)
if (brightness == 0) {
fading = FALSE;
brightness++;
}
else brightness--;
else
if (brightness == FADE_LEVELS) {
fading = TRUE;
brightness--;
}
else brightness++;
for (i = 0; i < sizeof(pal); ++i) {
if (pal[i] > 40)
pal[i] -= 4;
tpal[i] = pal[i] * brightness / FADE_LEVELS;
}
(*vidsw[adp->va_index]->load_palette)(adp, pal);
(*vidsw[adp->va_index]->load_palette)(adp, tpal);
time_stamp = tv.tv_sec;
}
}
return 0;