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