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/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup imbuf
*/
#include "BLI_fileops.h"
#include "BLI_hash_md5.h"
#include "BLI_string.h"
#include "BLI_utildefines.h"
#include "IMB_imbuf.h"
#include "IMB_imbuf_types.h"
#include "IMB_thumbs.h"
/* XXX, bad level call */
#include "../../blenfont/BLF_api.h"
#include "../../blentranslation/BLT_translation.h"
#define THUMB_TXT_ITEMS \
N_("AaBbCc"), N_("The quick"), N_("brown fox"), N_("jumps over"), N_("the lazy dog"),
static const char *thumb_str[] = {THUMB_TXT_ITEMS};
static const char *i18n_thumb_str[] = {THUMB_TXT_ITEMS};
#undef THUMB_TXT_ITEMS
void IMB_thumb_clear_translations(void)
{
for (int i = ARRAY_SIZE(thumb_str); i-- > 0;) {
i18n_thumb_str[i] = NULL;
}
}
void IMB_thumb_ensure_translations(void)
{
for (int i = ARRAY_SIZE(thumb_str); i-- > 0;) {
i18n_thumb_str[i] = BLT_translate_do(BLT_I18NCONTEXT_DEFAULT, thumb_str[i]);
}
}
struct ImBuf *IMB_thumb_load_font(const char *filepath, unsigned int x, unsigned int y)
{
const int font_size = y / 4;
struct ImBuf *ibuf;
float font_color[4];
/* create a white image (theme color is used for drawing) */
font_color[0] = font_color[1] = font_color[2] = 1.0f;
/* fill with zero alpha */
font_color[3] = 0.0f;
ibuf = IMB_allocImBuf(x, y, 32, IB_rect | IB_metadata);
IMB_rectfill(ibuf, font_color);
/* draw with full alpha */
font_color[3] = 1.0f;
BLF_thumb_preview(filepath,
thumb_str,
i18n_thumb_str,
ARRAY_SIZE(thumb_str),
font_color,
font_size,
(unsigned char *)ibuf->rect,
ibuf->x,
ibuf->y,
ibuf->channels);
return ibuf;
}
bool IMB_thumb_load_font_get_hash(char *r_hash)
{
char buf[1024];
char *str = buf;
size_t len = 0;
int draw_str_lines = ARRAY_SIZE(thumb_str);
int i;
unsigned char digest[16];
len += BLI_strncpy_rlen(str + len, THUMB_DEFAULT_HASH, sizeof(buf) - len);
for (i = 0; (i < draw_str_lines) && (len < sizeof(buf)); i++) {
len += BLI_strncpy_rlen(str + len,
i18n_thumb_str[i] != NULL ? i18n_thumb_str[i] : thumb_str[i],
sizeof(buf) - len);
}
BLI_hash_md5_buffer(str, len, digest);
r_hash[0] = '\0';
BLI_hash_md5_to_hexdigest(digest, r_hash);
return true;
}
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