From c2cccf6f2ef4f6f8c828074e68be2d95255a89b5 Mon Sep 17 00:00:00 2001 From: Marvin Borner Date: Sun, 23 Aug 2020 15:49:22 +0200 Subject: Added bmp loading and other stuff --- libgui/bmp.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 libgui/bmp.c (limited to 'libgui/bmp.c') diff --git a/libgui/bmp.c b/libgui/bmp.c new file mode 100644 index 0000000..0b08aeb --- /dev/null +++ b/libgui/bmp.c @@ -0,0 +1,28 @@ +// MIT License, Copyright (c) 2020 Marvin Borner + +#include +#include +#include +#include +#include + +struct bmp *bmp_load(char *path) +{ + void *buf = read(path); + if (!buf) + return NULL; + + struct bmp_header *h = buf; + if (h->signature[0] != 'B' || h->signature[1] != 'M') + return NULL; + + struct bmp_info *info = (struct bmp_info *)((u32)buf + sizeof(*h)); + struct bmp *bmp = malloc(sizeof(*bmp)); + bmp->width = info->width; + bmp->height = info->height; + bmp->data = (u8 *)((u32)buf + h->offset); + bmp->bpp = info->bpp; + bmp->pitch = bmp->width * (bmp->bpp >> 3); + + return bmp; +} -- cgit v1.2.3