From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 5 Dec 2016 04:28:38 +0000 (-0800)
Subject: [hb-fuzzer] Get glyph extents for output glyphs
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8c842e4a44908cce0f416481c73dc0866a0a9c95;p=platform%2Fupstream%2FlibHarfBuzzSharp.git

[hb-fuzzer] Get glyph extents for output glyphs

To exercise glyph-extents codepaths (glyf / CBLC+CBDT).
---

diff --git a/test/fuzzing/hb-fuzzer.cc b/test/fuzzing/hb-fuzzer.cc
index b319a71..c9f15d8 100644
--- a/test/fuzzing/hb-fuzzer.cc
+++ b/test/fuzzing/hb-fuzzer.cc
@@ -28,6 +28,19 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
     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);
   }