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pbsplash: some updates / fixes

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Caleb Connolly 2022-02-27 22:50:20 +00:00
parent 768aefef93
commit 2e07eceb15
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GPG key ID: 0583312B195F64B6
1 changed files with 63 additions and 34 deletions
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91
src/pbsplash.c
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@ -18,7 +18,8 @@
#define MSG_MAX_LEN 4096 #define MSG_MAX_LEN 4096
#define DEFAULT_FONT_PATH "/usr/share/pbsplash/OpenSans-Regular.svg" #define DEFAULT_FONT_PATH "/usr/share/pbsplash/OpenSans-Regular.svg"
#define LOGO_SIZE_MAX_MM 90 #define LOGO_SIZE_MAX_MM 90
#define FONT_SIZE_MM 5 #define FONT_SIZE_PT 13
#define PT_TO_MM 0.38f
volatile sig_atomic_t terminate = 0; volatile sig_atomic_t terminate = 0;
@ -28,14 +29,16 @@ bool debug = false;
int usage() int usage()
{ {
fprintf(stderr, "pbsplash: a simple fbsplash tool\n"); fprintf(stderr, "pbsplash: postmarketOS bootsplash generator\n");
fprintf(stderr, "--------------------------------\n"); fprintf(stderr, "-------------------------------------------\n");
fprintf(stderr, "pbsplash [-h] [-d] [-f font] [-s splash image] [-m message]\n\n"); fprintf(stderr, "pbsplash [-h] [-d] [-f font] [-s splash image] [-m message]\n\n");
fprintf(stderr, " -v enable verbose logging\n"); fprintf(stderr, " -v|--verbose enable verbose logging\n");
fprintf(stderr, " -h show this help\n"); fprintf(stderr, " -h|--help show this help\n");
fprintf(stderr, " -f path to SVG font file (default: %s)\n", DEFAULT_FONT_PATH); fprintf(stderr, " -f|--font path to SVG font file (default: %s)\n", DEFAULT_FONT_PATH);
fprintf(stderr, " -s path to splash image to display\n"); fprintf(stderr, " -s|--splash-image path to splash image to display\n");
fprintf(stderr, " -m message to show under the splash image\n"); fprintf(stderr, " -m|--message message to show under the splash image\n");
fprintf(stderr, " -p|--font-size font size in pt (default: %d)\n", FONT_SIZE_PT);
fprintf(stderr, " -d|--dpi custom DPI (for testing)\n");
return 1; return 1;
} }
@ -130,40 +133,57 @@ int main(int argc, char **argv)
int rc = 0; int rc = 0;
char *message = NULL; char *message = NULL;
char *splash_image = NULL; char *splash_image = NULL;
char *font_path = DEFAULT_FONT_PATH;
NSVGimage *image; NSVGimage *image;
NSVGimage *font; NSVGimage *font;
struct sigaction action; struct sigaction action;
float font_size = FONT_SIZE_PT;
int c;
long dpi = 0;
memset(&action, 0, sizeof(action)); memset(&action, 0, sizeof(action));
action.sa_handler = term; action.sa_handler = term;
sigaction(SIGTERM, &action, NULL); sigaction(SIGTERM, &action, NULL);
sigaction(SIGINT, &action, NULL); sigaction(SIGINT, &action, NULL);
for (int i = 1; i < argc; i++) while ((c = getopt(argc, argv, "hvdf:s:m:p:d:")) != -1)
{ {
if (strcmp(argv[i], "-h") == 0) char *end = NULL;
{ switch (c)
rc = usage();
return rc;
}
if (strcmp(argv[i], "-v") == 0)
{ {
case 'h':
return usage();
case 'v':
case 'd':
debug = true; debug = true;
continue; break;
} case 'f':
font_path = optarg;
if (strcmp(argv[i], "-s") == 0 && i + 1 < argc) break;
case 's':
splash_image = optarg;
break;
case 'm':
message = optarg;
break;
case 'p':
font_size = strtof(optarg, &end);
if (end == optarg)
{ {
splash_image = argv[i + 1]; fprintf(stderr, "Invalid font size: %s\n", optarg);
//printf("splash_image path: %s\n", splash_image); return usage();
continue;
} }
break;
if (strcmp(argv[i], "-m") == 0) case 'd':
dpi = strtol(optarg, &end);
if (end == optarg)
{ {
message = argv[i + 1]; fprintf(stderr, "Invalid font size: %s\n", optarg);
continue; return usage();
}
break;
default:
return usage();
} }
} }
@ -179,6 +199,15 @@ int main(int argc, char **argv)
int w_mm = tfb_screen_width_mm(); int w_mm = tfb_screen_width_mm();
int h_mm = tfb_screen_height_mm(); int h_mm = tfb_screen_height_mm();
// If DPI is specified on cmdline then calculate display size from it
// otherwise calculate the dpi based on the display size.
if (dpi > 0)
{
w_mm = w / (float)dpi * 25.4;
h_mm = h / (float)dpi * 25.4;
} else {
dpi = (float)w / (float)w_mm * 25.4;
}
int pixels_per_milli = (float)w / (float)w_mm; int pixels_per_milli = (float)w / (float)w_mm;
float logo_size_px = (float)(w < h ? w : h) * 0.75f; float logo_size_px = (float)(w < h ? w : h) * 0.75f;
@ -192,18 +221,18 @@ int main(int argc, char **argv)
} }
} }
LOG("%dx%d @ %dx%dmm, logo_size_px=%f\n", w, h, w_mm, h_mm, logo_size_px); LOG("%dx%d @ %dx%dmm, spi=%ld, logo_size_px=%f\n", w, h, w_mm, h_mm, dpi, logo_size_px);
float x = (float)w / 2 - logo_size_px / 2; float x = (float)w / 2 - logo_size_px / 2;
float y = (float)h / 2 - logo_size_px / 2; float y = (float)h / 2 - logo_size_px / 2;
image = nsvgParseFromFile(splash_image, "px", 96); image = nsvgParseFromFile(splash_image, "px", 500);
if (!image) if (!image)
{ {
fprintf(stderr, "failed to load SVG image\n"); fprintf(stderr, "failed to load SVG image\n");
rc = 1; rc = 1;
goto release_fb; goto release_fb;
} }
font = nsvgParseFromFile(DEFAULT_FONT_PATH, "px", 500); font = nsvgParseFromFile(font_path, "px", 500);
if (!font || !font->shapes) if (!font || !font->shapes)
{ {
fprintf(stderr, "failed to load SVG font\n"); fprintf(stderr, "failed to load SVG font\n");
@ -218,7 +247,7 @@ int main(int argc, char **argv)
if (message) { if (message) {
int textWidth, textHeight; int textWidth, textHeight;
float fontsz = pixels_per_milli / (float)(font->fontAscent - font->fontDescent) float fontsz = pixels_per_milli / (float)(font->fontAscent - font->fontDescent)
* FONT_SIZE_MM; * (font_size * PT_TO_MM);
getTextDimensions(font, message, fontsz, &textWidth, &textHeight); getTextDimensions(font, message, fontsz, &textWidth, &textHeight);