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initial featureset

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Displays a splash, optionally takes a message string (or fromt stdin)
and renders it underneath the logo.

TODO:
 * Bitmap fonts
 * Rasterised logo
This commit is contained in:
Caleb Connolly 2021-10-07 22:17:14 +01:00
parent 48cf59beff
commit 2ad7ff2a29
No known key found for this signature in database
GPG key ID: 0583312B195F64B6
2 changed files with 77 additions and 27 deletions
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102
pbsplash.c
View file

@ -1,16 +1,64 @@
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <tfblib/tfblib.h>
#include <tfblib/tfb_colors.h>
#include <unistd.h>
#include "logo.h"
#define MSG_MAX_LEN 4096
int usage() {
fprintf(stderr, "pbsplash: a simple fbsplash tool\n");
fprintf(stderr, "--------------------------------\n");
fprintf(stderr, "pbsplash [-h] [-s splash image] [-m message]\n\n");
fprintf(stderr, " -h show this help\n");
fprintf(stderr, " -s path to splash image to display\n");
fprintf(stderr, " -m message to show under the splash image\n");
return 1;
}
int main(int argc, char **argv)
{
int rc;
if ((rc = tfb_acquire_fb(TFB_FL_USE_DOUBLE_BUFFER, "/dev/fb0", "/dev/tty1")) != TFB_SUCCESS) {
int rc = 0;
int opt;
char *message = calloc(MSG_MAX_LEN, 1);
char *splash_image;
for (int i = 1; i < argc; i++)
{
printf("%d: %s\n", i, argv[i]);
if (strcmp(argv[i], "-h") == 0) {
rc = usage();
goto out;
}
if (strcmp(argv[i], "-s") == 0) {
splash_image = argv[1];
printf("splash_image path: %s\n", splash_image);
continue;
}
if (strcmp(argv[i], "-m") == 0) {
if (*argv[i+1] == '-') {
rc = read(STDIN_FILENO, message, MSG_MAX_LEN);
if (rc < 0)
goto out;
printf("%s\n", message);
} else {
free(message);
message = argv[i+1];
}
printf("message: %s\n", message);
continue;
}
}
if ((rc = tfb_acquire_fb(0, "/dev/fb0", "/dev/tty1")) != TFB_SUCCESS) {
fprintf(stderr, "tfb_acquire_fb() failed with error code: %d\n", rc);
return 1;
rc = 1;
goto out;
}
int w = (int) tfb_screen_width();
@ -22,30 +70,32 @@ int main(int argc, char **argv)
float textX = x;
float textY = y;
while(true) {
/* Paint the whole screen in black */
tfb_clear_screen(tfb_black);
/* Draw a red rectangle at the center of the screen */
/* Draw some text on-screen */
tfb_draw_string_scaled(x + 75, y + sz + 40, tfb_white, tfb_black, 4, 4, "postmarketOS");
/* Paint the whole screen in black */
tfb_clear_screen(tfb_black);
/* Draw a red rectangle at the center of the screen */
/* Draw some text on-screen */
tfb_draw_string_scaled(x + 75, y + sz + 40, tfb_white, tfb_black, 4, 4, "postmarketOS");
for (size_t i = 0; i < sizeof(logo) / sizeof(logo[0]); i+=4)
{
int x1 = (int) (logo[i] / 100 * sz) + (int)x;
int y1 = (int) (logo[i+1] / 100 * sz) + (int)y;
int x2 = (int) (logo[i+2] / 100 * sz) + (int)x;
int y2 = (int) (logo[i+3] / 100 * sz) + (int)y;
//printf("%f == ", logo[i] / 100 * w);
printf("x1: %d, y1: %d, x2: %d, y2: %d\n", x1, y1, x1, y2);
tfb_draw_line(x1, y1, x2, y2, tfb_green);
}
tfb_flush_window();
tfb_flush_fb();
usleep(50000);
if (message) {
tfb_draw_string_scaled_wrapped(50, (int) ((float)h * 0.6), tfb_white, tfb_black, 2, 2, 80, message);
}
getchar();
for (size_t i = 0; i < sizeof(logo) / sizeof(logo[0]); i+=4)
{
int x1 = (int) (logo[i] / 100 * sz) + (int)x;
int y1 = (int) (logo[i+1] / 100 * sz) + (int)y;
int x2 = (int) (logo[i+2] / 100 * sz) + (int)x;
int y2 = (int) (logo[i+3] / 100 * sz) + (int)y;
//printf("x1: %d, y1: %d, x2: %d, y2: %d\n", x1, y1, x1, y2);
tfb_draw_line(x1, y1, x2, y2, tfb_green);
}
tfb_flush_window();
tfb_flush_fb();
sleep(20);
out:
tfb_release_fb();
return 0;
free(message);
return rc;
}

2
tfblib

@ -1 +1 @@
Subproject commit 69389193fcf1c4d632febcfa0d3bdd99eb1ae2b7
Subproject commit 3e5de1026f2965591fb9feb1256c0ea10f4dc928