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/* See LICENSE file for copyright and license details. */
#include "common.h"
#ifndef TEST
int
libfonts_get_subpixel_expansion(enum libfonts_subpixel_order_class layout, size_t *restrict widthmulp, size_t *restrict heightmulp)
{
size_t w, h;
if (layout == LIBFONTS_SUBPIXEL_ORDER_CLASS_123) {
w = 3;
h = 1;
} else if (layout == LIBFONTS_SUBPIXEL_ORDER_CLASS_1_2_3) {
w = 1;
h = 3;
} else if (layout >= LIBFONTS_SUBPIXEL_ORDER_CLASS_11_23 &&
layout <= LIBFONTS_SUBPIXEL_ORDER_CLASS_13_12) {
w = 2;
h = 2;
} else if (layout == LIBFONTS_SUBPIXEL_ORDER_CLASS_BALANCED_11_23 ||
layout == LIBFONTS_SUBPIXEL_ORDER_CLASS_BALANCED_32_11) {
w = 2;
h = 3;
} else if (layout == LIBFONTS_SUBPIXEL_ORDER_CLASS_BALANCED_21_31 ||
layout == LIBFONTS_SUBPIXEL_ORDER_CLASS_BALANCED_13_12) {
w = 3;
h = 2;
} else {
errno = EINVAL;
return -1;
}
if (widthmulp)
*widthmulp = w;
if (heightmulp)
*heightmulp = h;
return 0;
}
#else
int
main(void)
{
size_t w, h;
#define T(L)\
do {\
errno = 0;\
ASSERT(libfonts_get_subpixel_expansion(L, NULL, NULL) == -1);\
ASSERT(errno == EINVAL);\
\
errno = 0;\
ASSERT(libfonts_get_subpixel_expansion(L, &w, NULL) == -1);\
ASSERT(errno == EINVAL);\
\
errno = 0;\
ASSERT(libfonts_get_subpixel_expansion(L, NULL, &h) == -1);\
ASSERT(errno == EINVAL);\
\
errno = 0;\
ASSERT(libfonts_get_subpixel_expansion(L, &w, &h) == -1);\
ASSERT(errno == EINVAL);\
} while (0)
T(LIBFONTS_SUBPIXEL_ORDER_CLASS_OTHER);
T((enum libfonts_subpixel_order_class)999);
#undef T
#define T(L, W, H)\
do {\
w = 0, h = 0;\
ASSERT(!libfonts_get_subpixel_expansion(L, NULL, NULL));\
\
w = 0, h = 0;\
ASSERT(!libfonts_get_subpixel_expansion(L, &w, NULL));\
ASSERT(w == (W));\
\
w = 0, h = 0;\
ASSERT(!libfonts_get_subpixel_expansion(L, NULL, &h));\
ASSERT(h == (H));\
\
w = 0, h = 0;\
ASSERT(!libfonts_get_subpixel_expansion(L, &w, &h));\
ASSERT(w == (W));\
ASSERT(h == (H));\
} while (0)
errno = EDOM;
T(LIBFONTS_SUBPIXEL_ORDER_CLASS_123, 3, 1);
T(LIBFONTS_SUBPIXEL_ORDER_CLASS_1_2_3, 1, 3);
T(LIBFONTS_SUBPIXEL_ORDER_CLASS_11_23, 2, 2);
T(LIBFONTS_SUBPIXEL_ORDER_CLASS_21_31, 2, 2);
T(LIBFONTS_SUBPIXEL_ORDER_CLASS_32_11, 2, 2);
T(LIBFONTS_SUBPIXEL_ORDER_CLASS_13_12, 2, 2);
T(LIBFONTS_SUBPIXEL_ORDER_CLASS_BALANCED_11_23, 2, 3);
T(LIBFONTS_SUBPIXEL_ORDER_CLASS_BALANCED_21_31, 3, 2);
T(LIBFONTS_SUBPIXEL_ORDER_CLASS_BALANCED_32_11, 2, 3);
T(LIBFONTS_SUBPIXEL_ORDER_CLASS_BALANCED_13_12, 3, 2);
ASSERT(errno == EDOM);
return 0;
}
#endif
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