57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
#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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hb_ot_color_glyph_get_layers (face, info.codepoint, 0, nullptr, nullptr);
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hb_blob_destroy (hb_ot_color_glyph_reference_svg (face, info.codepoint));
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hb_blob_destroy (hb_ot_color_glyph_reference_png (font, info.codepoint));
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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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