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#include "hb-fuzzer.hh"
#include <hb-ot.h>
#include <string.h>
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
hb_blob_t *blob = hb_blob_create((const char *)data, size,
HB_MEMORY_MODE_READONLY, NULL, NULL);
hb_face_t *face = hb_face_create(blob, 0);
hb_font_t *font = hb_font_create(face);
hb_ot_font_set_funcs(font);
hb_font_set_scale(font, 12, 12);
{
const char text[] = "ABCDEXYZ123@_%&)*$!";
hb_buffer_t *buffer = hb_buffer_create();
hb_buffer_add_utf8(buffer, text, -1, 0, -1);
hb_buffer_guess_segment_properties(buffer);
hb_shape(font, buffer, NULL, 0);
hb_buffer_destroy(buffer);
}
uint32_t text32[16];
if (size > sizeof(text32)) {
memcpy(text32, data + size - sizeof(text32), sizeof(text32));
hb_buffer_t *buffer = hb_buffer_create();
hb_buffer_add_utf32(buffer, text32, sizeof(text32)/sizeof(text32[0]), 0, -1);
hb_buffer_guess_segment_properties(buffer);
hb_shape(font, buffer, NULL, 0);
unsigned int len = hb_buffer_get_length (buffer);
hb_glyph_info_t *infos = hb_buffer_get_glyph_infos (buffer, NULL);
//hb_glyph_position_t *positions = hb_buffer_get_glyph_positions (buffer, NULL);
for (unsigned int i = 0; i < len; i++)
{
hb_glyph_info_t info = infos[i];
//hb_glyph_position_t pos = positions[i];
hb_glyph_extents_t extents;
hb_font_get_glyph_extents (font, info.codepoint, &extents);
}
hb_buffer_destroy(buffer);
}
hb_font_destroy(font);
hb_face_destroy(face);
hb_blob_destroy(blob);
return 0;
}
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