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/* See LICENSE file for copyright and license details. */
#include "common.h"
int
libparsepcf_preparse_font(const void *file, size_t size, struct libparsepcf_font *font)
{
size_t min = SIZE_MAX, max = 0, table_i, table_n;
struct libparsepcf_table *tables = NULL;
*font = (struct libparsepcf_font){0};
if (libparsepcf_get_table_count(file, size, &table_n))
goto fail;
tables = calloc(table_n, sizeof(*tables));
if (!tables)
goto fail;
if (libparsepcf_get_tables(file, size, tables, 0, table_n))
goto fail;
for (table_i = 0; table_i < table_n; table_i++) {
if (tables[table_i].type == LIBPARSEPCF_PROPERTIES) {
font->prob_table = &tables[table_i];
if (libparsepcf_get_properties(file, size, &tables[table_i], &font->props))
goto fail;
} else if (tables[table_i].type == LIBPARSEPCF_ACCELERATORS && !font->accel_table) {
font->accel_table = &tables[table_i];
if (libparsepcf_get_accelerators(file, size, &tables[table_i], &font->accels))
goto fail;
} else if (tables[table_i].type == LIBPARSEPCF_BDF_ACCELERATORS) {
font->accel_table = &tables[table_i];
if (libparsepcf_get_accelerators(file, size, &tables[table_i], &font->accels))
goto fail;
} else if (tables[table_i].type == LIBPARSEPCF_METRICS) {
font->mtx_table = &tables[table_i];
if (libparsepcf_get_metrics_count(file, size, &tables[table_i], &font->metrics))
goto fail;
} else if (tables[table_i].type == LIBPARSEPCF_INK_METRICS) {
font->inkmtx_table = &tables[table_i];
if (libparsepcf_get_metrics_count(file, size, &tables[table_i], &font->ink_metrics))
goto fail;
} else if (tables[table_i].type == LIBPARSEPCF_BDF_ENCODINGS) {
font->enc_table = &tables[table_i];
if (libparsepcf_get_encoding(file, size, &tables[table_i], &font->encoding))
goto fail;
} else if (tables[table_i].type == LIBPARSEPCF_BITMAPS) {
font->bitmap_table = &tables[table_i];
if (libparsepcf_get_bitmaps(file, size, &tables[table_i], &font->bitmaps))
goto fail;
} else if (tables[table_i].type == LIBPARSEPCF_GLYPH_NAMES) {
font->name_table = &tables[table_i];
if (libparsepcf_get_glyph_names(file, size, &tables[table_i], &font->names))
goto fail;
} else if (tables[table_i].type == LIBPARSEPCF_SWIDTHS) {
font->swidth_table = &tables[table_i];
if (libparsepcf_get_swidth_count(file, size, &tables[table_i], &font->swidths))
goto fail;
}
}
if (font->mtx_table) {
if (font->metrics < min)
min = font->metrics;
if (font->metrics > max)
max = font->metrics;
}
if (font->inkmtx_table) {
if (font->ink_metrics < min)
min = font->ink_metrics;
if (font->ink_metrics > max)
max = font->ink_metrics;
}
if (font->bitmap_table) {
if (font->bitmaps.glyph_count < min)
min = font->bitmaps.glyph_count;
if (font->bitmaps.glyph_count > max)
max = font->bitmaps.glyph_count;
}
if (font->name_table) {
if (font->names.glyph_count < min)
min = font->names.glyph_count;
if (font->names.glyph_count > max)
max = font->names.glyph_count;
}
if (font->swidth_table) {
if (font->swidths < min)
min = font->swidths;
if (font->swidths > max)
max = font->swidths;
}
if (min != max || !font->mtx_table || !font->enc_table)
goto ebfont;
if (!font->inkmtx_table && font->accel_table && font->accels.ink_metrics)
goto ebfont;
font->glyph_count = min;
font->_tables = tables;
return 0;
ebfont:
errno = EBFONT;
fail:
free(tables);
return -1;
}
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