static htsmsg_t *
hts_settings_load_one(const char *filename)
{
ssize_t n;
char *mem;
fb_file *fp;
htsmsg_t *r = NULL;
/* Open */
if (!(fp = fb_open(filename, 1, 0))) return NULL;
/* Load data */
mem = malloc(fb_size(fp)+1);
n = fb_read(fp, mem, fb_size(fp));
if (n >= 0) mem[n] = 0;
/* Decode */
if(n == fb_size(fp))
r = htsmsg_json_deserialize(mem);
/* Close */
fb_close(fp);
free(mem);
return r;
}
int main(int argc, const char *argv[])
{
int ret;
char ch;
srand(time(NULL));
ret = fb_open();
key_init();
draw_back();
draw_grid();
signal(SIGALRM, sig_handler);
alarm(1);
while (1) {
ch = getchar();
switch (ch) {
case 'a':
if(canleft(pos_x, pos_y, cur_type, arr)) {
draw_type(pos_x, pos_y, cur_type, BACK);
pos_x--;
}
break;
case 'd':
if(canright(pos_x, pos_y, cur_type, arr)) {
draw_type(pos_x, pos_y, cur_type, BACK);
pos_x++;
}
break;
case 's':
if(candown(pos_x, pos_y, cur_type, arr)) {
draw_type(pos_x, pos_y, cur_type, BACK);
pos_y++;
}
break;
case 'w':
if(canchange(pos_x,pos_y,cur_type,arr)) {
draw_type(pos_x, pos_y, cur_type, BACK);
type_chg(&cur_type);
}
break;
default :
break;
}
draw_type(pos_x, pos_y, cur_type, COLOR);
draw_grid();
if(!candown(pos_x, pos_y, cur_type, arr)) {
draw_flag(pos_x, pos_y, cur_type, arr);
if(gameover(arr)) {
exit(0);
}
deleteone(arr);
pos_x = XNUM/2; pos_y = 0;
cur_type = rand()%14;
}
}
fb_close();
return 0;
}
int
main(int argc, char **argv)
{
struct vfont *vfp;
bu_setprogname(argv[0]);
if (!get_args(argc, argv)) {
fputs(usage, stderr);
bu_exit(1, NULL);
}
if ((fbp = fb_open(framebuffer, scr_width, scr_height)) == NULL) {
fprintf(stderr, "fblabel: Unable to open framebuffer %s\n", framebuffer);
bu_exit(12, NULL);
}
if (clear) {
fb_clear(fbp, PIXEL_NULL);
}
if ((vfp = vfont_get(font1)) == VFONT_NULL) {
fprintf(stderr, "fblabel: Can't get font \"%s\"\n",
font1 == NULL ? "(null)" : font1);
bu_exit(1, NULL);
}
do_line(vfp, textstring);
fb_close(fbp);
vfont_free(vfp);
return 0;
}
// TODO: this could do with being more efficient
int fb_stat ( const char *path, struct filebundle_stat *st )
{
int ret = 1;
fb_dir *dir;
fb_file *fp;
if (*path == '/') {
struct stat _st;
if (!lstat(path, &_st)) {
st->type = FB_DIRECT;
st->is_dir = S_ISDIR(_st.st_mode) ? 1 : 0;
st->size = _st.st_size;
ret = 0;
}
} else if ((dir = fb_opendir(path))) {
st->type = dir->type;
st->is_dir = 1;
st->size = 0;
ret = 0;
fb_closedir(dir);
} else if ((fp = fb_open(path, 0, 0))) {
st->type = fp->type;
st->is_dir = 0;
st->size = fp->size;
ret = 0;
fb_close(fp);
}
return ret;
}
int main()
{
FBDEV fbdev;
memset(&fbdev,0,sizeof(FBDEV));
strcpy(fbdev.dev,"/dev/fb0");
if(0 == fb_open(&fbdev)){
printf("Open fail!!\n");
return -1;
}
//打印frame buffer 所占内存的开始地址
pmem_start(&fbdev);
//打印FB_TYPE
p_type(&fbdev);
//打印可见清晰度
p_visible_res(&fbdev);
//打印虚拟分辨率
p_virt_res(&fbdev);
//打印虚拟到可见的偏移量
p_offset(&fbdev);
//打印每个像素的位数
p_bpp(&fbdev);
//打印R,G,B和透明度
p_rgbt(&fbdev);
//打印在内存中的高度和宽度
p_hw(&fbdev);
fb_close(&fbdev);
return 0;
}
int
main(int argc, char **argv)
{
int c;
FBIO *fbp;
while ((c = bu_getopt(argc, argv, "F:h?")) != -1) {
switch (c) {
case 'F':
framebuffer = bu_optarg;
break;
default: /* '?' */
(void)fputs(usage, stderr);
return 1;
}
}
if (argc > ++bu_optind) {
fprintf(stderr, "fbfree: excess argument(s) ignored\n");
}
if ((fbp = fb_open(framebuffer, 0, 0)) == FBIO_NULL) {
fprintf(stderr, "fbfree: Can't open frame buffer\n");
return 1;
}
return fb_free(fbp);
}
struct FB * fb_create(void)
{
memset(&g_fb, 0, sizeof(struct FB));
if (fb_open(&g_fb)) {
return NULL;
}
return &g_fb;
}
int
main(int argc, char **argv)
{
register int i;
struct timeval tv;
if ( !get_args( argc, argv ) ) {
(void)fputs(usage, stderr);
bu_exit( 1, NULL );
}
if ( fps > 0.0 ) {
tv.tv_sec = (long) (1.0 / fps);
tv.tv_usec = (long) (((1.0 / fps) - tv.tv_sec) * 1000000);
}
if ( (fbp = fb_open( NULL, size, size)) == FBIO_NULL ) {
fprintf(stderr, "fbcmrot: fb_open failed\n");
return 1;
}
local_inp = &cm1;
local_outp = &cm2;
fb_rmap( fbp, local_inp );
while (1) {
register int from;
ColorMap *tp;
/* Build color map for current value */
for ( i=0, from = increment; i < 256; i++, from++ ) {
if ( from < 0 )
from += 256;
else if ( from > 255 )
from -= 256;
local_outp->cm_red[i] = local_inp->cm_red[from];
local_outp->cm_green[i] = local_inp->cm_green[from];
local_outp->cm_blue[i] = local_inp->cm_blue[from];
}
fb_wmap( fbp, local_outp );
tp = local_outp;
local_outp = local_inp;
local_inp = tp;
if ( fps > 0.0 ) {
fd_set readfds;
FD_ZERO(&readfds);
FD_SET(fileno(stdin), &readfds);
select(fileno(stdin)+1, &readfds, (fd_set *)0, (fd_set *)0, &tv);
}
if ( onestep )
break;
}
fb_close( fbp );
return 0;
}
int load_565rle_image(char *fn)
{
struct FB fb;
struct stat s;
unsigned short *data, *bits, *ptr;
unsigned count, max;
int fd;
if (vt_set_mode(1))
return -1;
fd = open(fn, O_RDONLY);
if (fd < 0) {
ERROR("cannot open '%s'\n", fn);
goto fail_restore_text;
}
if (fstat(fd, &s) < 0) {
goto fail_close_file;
}
data = mmap(0, s.st_size, PROT_READ, MAP_SHARED, fd, 0);
if (data == MAP_FAILED)
goto fail_close_file;
if (fb_open(&fb))
goto fail_unmap_data;
max = fb_width(&fb) * fb_height(&fb);
ptr = data;
count = s.st_size;
bits = fb.bits;
while (count > 3) {
unsigned n = ptr[0];
if (n > max)
break;
android_memset16(bits, ptr[1], n << 1);
bits += n;
max -= n;
ptr += 2;
count -= 4;
}
munmap(data, s.st_size);
fb_update(&fb);
fb_close(&fb);
close(fd);
unlink(fn);
return 0;
fail_unmap_data:
munmap(data, s.st_size);
fail_close_file:
close(fd);
fail_restore_text:
vt_set_mode(0);
return -1;
}
int fb_create(void)
{
memset(&g_fb, 0, sizeof(struct FB));
if (fb_open(&g_fb))
{
return -1;
}
return 0;
}
/*
* D O _ F B
*/
void
do_fb(void)
{
FBIO *fbp;
if ( (fbp = fb_open( framebuffer, 0, 0 )) == FBIO_NULL ) {
bu_exit( 2, "Unable to open framebuffer\n" );
}
if ( fb_wmap( fbp, &map ) < 0 )
fprintf( stderr, "fbgammamod: unable to write color map\n");
fb_close(fbp);
}
int screen_init(void)
{
if (draw_init())
goto err1;
if (fb_open(fb))
goto err2;
return 0;
err2:
draw_uninit();
err1:
return -1;
}
int main()
{
DeviceFB *pDeviceFb = fb_open("/dev/fb0");
if (pDeviceFb)
{
printf("w:%d h:%d bpp:%d\n",
pDeviceFb->vinfo.xres,
pDeviceFb->vinfo.yres,
pDeviceFb->vinfo.bits_per_pixel);
fb_close(pDeviceFb);
}
return 0;
}
int main(void)
{
int ret, c;
ret = fb_open();
if (ret != 0) {
fprintf(stderr, "fb_open() error.\n");
exit(1);
}
init_board();
fb_close();
return 0;
}
int
main(int argc, char **argv)
{
fb *fbp;
FILE *fp;
int fbsize = 512;
int i;
while (argc > 1) {
if (BU_STR_EQUAL(argv[1], "-H")) {
fbsize = 1024;
} else if (argv[1][0] == '-') {
if ( (!BU_STR_EQUAL(argv[1], "-?")) && (!BU_STR_EQUAL(argv[1], "-h")) )
fprintf(stderr, "fb-cmap: unknown flag %s\n", argv[1]);
bu_exit(1, "%s", usage);
} else
break; /* must be a filename */
argc--;
argv++;
}
if (argc > 1) {
if ((fp = fopen(argv[1], "wb")) == NULL) {
fprintf(stderr, "fb-cmap: can't open \"%s\"\n", argv[1]);
bu_exit(2, "%s", usage);
}
} else {
fp = stdout;
if (isatty(fileno(fp)))
fprintf(stderr, "%s Program continues running:\n", usage);
}
if ((fbp = fb_open(NULL, fbsize, fbsize)) == FB_NULL)
bu_exit(2, "Unable to open framebuffer\n");
i = fb_rmap(fbp, &cm);
fb_close(fbp);
if (i < 0) {
bu_exit(3, "fb-cmap: can't read colormap\n");
}
for (i = 0; i <= 255; i++) {
fprintf(fp, "%d\t%04x %04x %04x\n", i,
cm.cm_red[i], cm.cm_green[i], cm.cm_blue[i]);
}
return 0;
}
void fb_init(void)
{
Debug("fb_init()\n");
fb_open();
fb_get_var();
memcpy(&saved_var, &fb_var, sizeof(struct fb_var_screeninfo));
//saved_var = fb_var;
if (fb_var.xoffset || fb_var.yoffset || fb_var.accel_flags) {
fb_var.xoffset = 0;
fb_var.yoffset = 0;
fb_var.accel_flags = 0;
fb_set_var();
}
fb_get_fix();
var_fix_validate();
memcpy(&saved_fix, &fb_fix, sizeof(struct fb_var_screeninfo));
//saved_fix = fb_fix;
switch (fb_fix.visual) {
case FB_VISUAL_MONO01:
case FB_VISUAL_MONO10:
case FB_VISUAL_TRUECOLOR:
/* no colormap */
break;
case FB_VISUAL_PSEUDOCOLOR:
case FB_VISUAL_STATIC_PSEUDOCOLOR:
cmap_init(1<<fb_var.bits_per_pixel);
break;
case FB_VISUAL_DIRECTCOLOR:
cmap_init(1<<(max(max(fb_var.red.length, fb_var.green.length),
max(fb_var.blue.length, fb_var.transp.length))));
break;
}
if (fb_cmap.len) {
fb_get_cmap();
saved_cmap = fb_cmap;
ALLOC_AND_SAVE_COMPONENT(red);
ALLOC_AND_SAVE_COMPONENT(green);
ALLOC_AND_SAVE_COMPONENT(blue);
if (fb_cmap.transp)
ALLOC_AND_SAVE_COMPONENT(transp);
}
fb_map();
fb_save();
fb_clear();
}
int main(int argc, const char *argv[])
{
system("clear");
int ret,ch;
ret = fb_open();
//draw_element(100, 100, 0x75);
//draw_element(150, 100, PINK);
//exit(1);
struct termios tc, old_tc;
tcgetattr(0, &tc);//0是输入
tcgetattr(0, &old_tc);//用于下面恢复
tc.c_lflag &= (~ICANON);//启动食品模式
tc.c_lflag &= (~ECHO);//ECHO 使用回显 &~(ECHO) 取消回显
tcsetattr(0, TCSANOW, &tc);//TCSANOW 立刻生效
init();
init_current_block();
draw_picture(ROW_CANVAS, 0x1a, IS_DRAW);
signal(SIGALRM, sig_handler);
alarm(1);
while (1) {
ch = getchar();
if (ch == 'q') {//exit
break;
}
if (ch =='w') {
change();
}
if (ch =='a') {
left();
}
if (ch =='s') {
down();
}
if (ch =='d') {
right();
}
}
tcsetattr(0, TCSANOW, &old_tc);
fb_close();
return 0;
}
void fbdemo_init(struct fbdemos_scaffold **out)
{
struct fbdemos_scaffold *fbs = CALLOC_STRUCT(fbdemos_scaffold);
int rv;
if(getenv("ETNA_MSAA_SAMPLES"))
fbdemos_msaa_samples = atoi(getenv("ETNA_MSAA_SAMPLES"));
rv = viv_open(VIV_HW_3D, &fbs->conn);
if(rv!=0)
{
fprintf(stderr, "Error opening device\n");
exit(1);
}
printf("Succesfully opened device\n");
rv = fb_open(fbs->conn, 0, &fbs->fb);
if(rv!=0)
{
exit(1);
}
fbs->width = fbs->fb.fb_var.xres;
fbs->height = fbs->fb.fb_var.yres;
/* Create screen */
if((fbs->screen = etna_screen_create(fbs->conn)) == NULL)
{
printf("Unable to create screen context\n");
exit(1);
}
if((fbs->pipe = fbs->screen->context_create(fbs->screen, NULL)) == NULL)
{
printf("Unable to create etna context\n");
exit(1);
}
fbs->ctx = etna_pipe_context(fbs->pipe)->ctx;
if(etna_bswap_create(fbs->ctx, &fbs->buffers, fbs->fb.num_buffers, (etna_set_buffer_cb_t)&fb_set_buffer, (etna_copy_buffer_cb_t)&etna_fb_copy_buffer, &fbs->fb) != ETNA_OK)
{
printf("Unable to create buffer swapper\n");
exit(1);
}
_fbs = fbs;
*out = fbs;
}
int fb_off_all()
{
int fp, i;
for (i = 0; i < TOTAL_FB_NUM; i++) {
fp = fb_open(i);
if (fp < 0)
return -1;
if (ioctl(fp, FBIOBLANK, FB_BLANK_POWERDOWN) < 0)
ALOGE("%s:: FBIOBLANK failed", __func__);
fb_off(fp);
fb_close(fp);
}
return 0;
}
/* f b _ S e t u p ( ) */
int
fb_Setup(char *file, int size)
{
if ( BU_STR_EQUAL( file, "/dev/remote" ) )
file = "/dev/debug";
prnt_Event( "Opening device..." );
if (((fbiop = fb_open(file[0] == '\0' ? NULL : file, size, size)) == FBIO_NULL) ||
(fb_ioinit( fbiop ) == -1) ||
(fb_wmap( fbiop, COLORMAP_NULL ) == -1))
return 0;
(void) fb_setcursor( fbiop, arrowcursor, 16, 16, 0, 0 );
(void) fb_cursor( fbiop, 1, size/2, size/2 );
prnt_Event( (char *) NULL );
return 1;
}
w3mimg_op *
w3mimg_fbopen()
{
w3mimg_op *wop = NULL;
wop = (w3mimg_op *) malloc(sizeof(w3mimg_op));
if (wop == NULL)
return NULL;
memset(wop, 0, sizeof(w3mimg_op));
if (!check_tty_console(getenv("W3M_TTY")) &&
strncmp("fbterm", getenv("TERM"), 6) != 0 &&
strncmp("jfbterm", getenv("TERM"), 7) != 0) {
fprintf(stderr, "w3mimgdisplay/fb: tty is not console\n");
goto error;
}
if (fb_open())
goto error;
wop->width = fb_width();
wop->height = fb_height();
wop->init = w3mfb_init;
wop->finish = w3mfb_finish;
wop->active = w3mfb_active;
wop->set_background = w3mfb_set_background;
wop->sync = w3mfb_sync;
wop->close = w3mfb_close;
wop->clear = w3mfb_clear;
wop->load_image = w3mfb_load_image;
wop->show_image = w3mfb_show_image;
wop->free_image = w3mfb_free_image;
wop->get_image_size = w3mfb_get_image_size;
/* XXX */
fb_image_init();
return wop;
error:
free(wop);
return NULL;
}
int main(int argc, char* argv[]) {
framebuffer_t* fb;
img32_t* img;
// check for proper usage
if(argc == 1) {
fprintf(stderr, "Usage: %s lena.ppm\n", argv[0]);
return EX_USAGE;
}
// initialize the framebuffer (with single buffering)
fprintf(stderr, "Starting up...\n");
if((fb = fb_open(0x11e, 0, 0)) == NULL) {
perror("fb_open");
return EX_UNAVAILABLE;
}
// clear the screen in a shade of blue
cls(fb, 0x00007F);
// pause
getc(stdin);
// load the image
img = read_ppm(argv[1]);
// clear the screen in a shade of red
cls(fb, 0x7F0000);
// display the image centered
blit(fb, img, fb->info.vi_width / 2 - img->w / 2, fb->info.vi_height / 2 - img->h / 2);
// free the image
free(img);
// pause for dramatic effect...
getc(stdin);
// tidy up
fprintf(stderr, "Shutting down...\n");
fb_close(fb);
return EX_OK;
}
int
main(int argc, char **argv)
{
int x, y;
int xin, yin; /* number of sceen output lines */
height = width = 512; /* Defaults */
if ( !get_args( argc, argv ) ) {
(void)fputs(usage, stderr);
bu_exit( 1, NULL );
}
/* Open Display Device */
if ((fbp = fb_open(framebuffer, width, height )) == NULL ) {
fprintf( stderr, "fb_open failed\n");
bu_exit( 1, NULL );
}
/* determine "reasonable" behavior */
xin = fb_getwidth(fbp) - scr_xoff;
if ( xin < 0 ) xin = 0;
if ( xin > width ) xin = width;
yin = fb_getheight(fbp) - scr_yoff;
if ( yin < 0 ) yin = 0;
if ( yin > height ) yin = height;
for ( y = scr_yoff; y < scr_yoff + yin; y++ ) {
if ( inverse ) {
(void)fb_read( fbp, scr_xoff, fb_getheight(fbp)-1-y, inbuf, xin );
} else {
(void)fb_read( fbp, scr_xoff, y, inbuf, xin );
}
for ( x = 0; x < xin; x++ ) {
obuf[x] = (((int)inbuf[3*x+RED]) + ((int)inbuf[3*x+GRN])
+ ((int)inbuf[3*x+BLU])) / 3;
}
fwrite( &obuf[0], sizeof( char ), xin, outfp );
}
fb_close( fbp );
bu_exit( 0, NULL );
}
/*
Must be called after gridInit() so that gridsz is setup.
*/
int
openFbDevice(char *fbdev)
{
int ret = 1;
notify("Opening frame buffer", NOTIFY_APPEND);
if (zoom < 1) {
prntScr("Device is too small to display image.");
ret = 0;
goto safe_exit;
}
if (((fbiop != FBIO_NULL && fb_getwidth(fbiop) != devwid)
|| pixgrid == NULL)
&& (pixgrid = (unsigned char *) calloc(devwid*3, sizeof(unsigned char)))
== (unsigned char *) NULL) {
prntScr("Memory allocation of %d bytes failed.",
sizeof(unsigned char)*devwid);
ret = 0;
goto safe_exit;
}
(void) memset((char *) pixgrid, NUL, sizeof(unsigned char)*devwid*3);
if (fbiop != FBIO_NULL) {
if (! closFbDevice()) {
ret = 0;
goto safe_exit;
}
}
fbiop = fb_open(fbdev, devwid, devhgt);
if (fbiop == NULL) {
ret = 0;
goto safe_exit;
} else if (fb_clear(fbiop, pixblack) == -1
|| (notify("Zooming", NOTIFY_APPEND),
fb_zoom(fbiop, 1, 1) == -1)
|| (notify("Windowing", NOTIFY_DELETE),
fb_window(fbiop, devwid/2, devhgt/2) == -1)
) {
ret = 0;
goto safe_exit;
}
safe_exit : notify(NULL, NOTIFY_DELETE);
return ret;
}
int main(int argc, char **argv)
{
struct fb fb;
uint32_t word;
void *mem;
int fd;
char *p;
uint32_t i;
int rv;
if (argc != 3)
return -1;
word = strtoul(argv[2], &p, 16);
if (*p != '\0') {
fprintf(stderr, "Invalid value.\n");
exit(EXIT_FAILURE);
}
rv = fb_open(argv[1], &fb);
if (rv) {
fprintf(stderr, "Failed to open framebuffer device.\n");
exit(EXIT_FAILURE);
}
fprintf(stderr, "Word: 0x%x, Bpp_byte: 0x%u.\n", word, fb.bpp_byte);
mem = fb.mem;
for (i = 0; i < fb.mem_size; i += fb.bpp_byte) {
memcpy(mem, &word, fb.bpp_byte);
mem += fb.bpp_byte;
}
fb_close(&fb);
return 0;
}
int main(void)
{
int ret;
ret = fb_open();
if (ret != 0) {
fprintf(stderr, "fb_open() error.\n");
exit(1);
}
//srand(getpid());
//r = rand() % 10;
//printf("x=%d, y=%d, rand=%d\n",xres(),yres(),r);
clear(0,yres());
move();
fb_close();
return 0;
}
int main(int argc, char **argv)
{
struct fb fb;
int rv;
if (argc != 2)
return -1;
rv = fb_open(argv[1], &fb);
if (rv) {
exit(EXIT_FAILURE);
}
display_h_color_bar(fb.mem, fb.w, fb.h, fb.bpp);
fb_close(&fb);
return 0;
}
int
main(int argc, char **argv)
{
int n;
if ( argc > 1 ) {
if ( (fp = fopen(argv[1], "r")) == NULL ) {
fprintf( stderr, "%s", Usage );
bu_exit(1, "pixhist3d: can't open \"%s\"\n", argv[1] );
}
} else
fp = stdin;
if ( isatty(fileno(fp)) ) {
bu_exit(2, "%s", Usage );
}
if ( (fbp = fb_open( NULL, 512, 512 )) == NULL ) {
bu_exit(12, "fb_open failed\n");
}
while ( (n = fread(&ibuf[0], sizeof(*ibuf), sizeof(ibuf), fp)) > 0 ) {
register unsigned char *bp;
register int i;
bp = &ibuf[0];
for ( i = n/3; i > 0; i--, bp += 3 ) {
rxb[ bp[RED] ][ bp[BLU] ]++;
rxg[ bp[RED] ][ bp[GRN] ]++;
bxg[ bp[BLU] ][ bp[GRN] ]++;
}
}
disp_array( rxg, 0, 0 );
disp_array( rxb, 256, 0 );
disp_array( bxg, 0, 256 );
fb_close( fbp );
return 0;
}
int main(void)
{
int ret;
ret = fb_open();
if (ret != 0) {
fprintf(stderr, "fb_open() error.\n");
exit(1);
}
init();
while (1) {
move();
change_dir();
usleep(30000);
}
fb_close();
return 0;
}
int main(void)
{
FBDEV fb;
memset(&fb, 0, sizeof(FBDEV));
strcpy(fb.dev, "/dev/fb0");
if(fb_open(&fb) == FALSE)
{
printf("open frame buffer error\n");
return 0;
}
sleep(1);
clear_screen(&fb);
POINT p1, p2, p3;
p1.x = 100;
p1.y = 250;
p2.x = 200;
p2.y = 300;
draw_line(&fb, p1, p2, 0x0, 0xff, 0x0);
sleep(1);
clear_screen(&fb);
POINT center = { 100, 100, 0 };
int radius = 30;
draw_circle(&fb, center, radius, 0x0, 0xff, 0x0);
sleep(1);
clear_screen(&fb);
int i;
for(i = radius - 2; i >= 0; i--)
{
draw_circle(&fb, center, i, 0x30, 0x20, 0x0);
}
sleep(1);
clear_screen(&fb);
ShowChinese(NULL);
printf("o999999999999999999999\n");
sleep(1);
fb_close(&fb);
return 0;
}