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Allow serializing buffer with output-buffer being used 

Ie, don't call get_positions() if positions are not
requested for serialization.
This commit is contained in:
Behdad Esfahbod 2015-08-18 18:47:02 +01:00
parent e47b772a56
commit 75504a5048
1 changed files with 4 additions and 2 deletions
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6
src/hb-buffer-serialize.cc
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@ -99,7 +99,8 @@ _hb_buffer_serialize_glyphs_json (hb_buffer_t *buffer,
hb_buffer_serialize_flags_t flags)
{
hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, NULL);
hb_glyph_position_t *pos = hb_buffer_get_glyph_positions (buffer, NULL);
hb_glyph_position_t *pos = (flags & HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS) ?
NULL : hb_buffer_get_glyph_positions (buffer, NULL);
*buf_consumed = 0;
for (unsigned int i = start; i < end; i++)
@ -172,7 +173,8 @@ _hb_buffer_serialize_glyphs_text (hb_buffer_t *buffer,
hb_buffer_serialize_flags_t flags)
{
hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, NULL);
hb_glyph_position_t *pos = hb_buffer_get_glyph_positions (buffer, NULL);
hb_glyph_position_t *pos = (flags & HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS) ?
NULL : hb_buffer_get_glyph_positions (buffer, NULL);
*buf_consumed = 0;
for (unsigned int i = start; i < end; i++)