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Finally, the TrueType driver was completely audited. The code should 

now be 100% compatible with the implementation in FreeType 1.x.

It's now time to make a new tag for the repository :-)

- David
This commit is contained in:
David Turner 2000-01-07 18:44:50 +00:00
parent 2b94ffad74
commit fc1f989446
2 changed files with 37 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

67
src/truetype/ttgload.c
View File

@ -371,7 +371,6 @@
if ( c & 8 )
{
cnt = GET_Byte();
while( cnt > 0 )
{
flag[j++] = c;
@ -648,10 +647,10 @@
element->element_flag = 0;
element->preserve_pps = FALSE;
element->transform.xx = 1 << 16;
element->transform.xx = 0x10000;
element->transform.xy = 0;
element->transform.yx = 0;
element->transform.yy = 1 << 16;
element->transform.yy = 0x10000;
element->transform.ox = 0;
element->transform.oy = 0;
@ -728,6 +727,7 @@
TT_UShort index;
TT_UShort u;
TT_Long count;
TT_Long Top;
TT_Long glyph_offset, offset;
@ -744,6 +744,7 @@
TPhases phase;
TT_Byte* widths;
TT_Int num_elem_points;
SFNT_Interface* sfnt;
@ -905,7 +906,6 @@
}
phase = Load_Header;
break;
/************************************************************/
/* */
@ -923,8 +923,8 @@
count = 0;
if (index < face->num_locations-1)
count = face->glyph_locations[index+1] - offset;
if ( index < ( face->num_locations - 1 ) && count == 0 )
if (count == 0)
{
/* as described by Frederic Loyer, these are spaces, and */
/* not the unknown glyph. */
@ -993,13 +993,14 @@
}
/* is it a simple glyph ? */
if ( num_contours > 0 )
phase = Load_Simple;
else
if ( num_contours < 0 )
{
phase = Load_Composite;
break;
}
break;
phase = Load_Simple;
/************************************************************/
/* */
/* Load_Simple state */
@ -1035,7 +1036,6 @@
num_points = exec->pts.n_points - 2;
phase = Load_End;
break;
/************************************************************/
@ -1111,10 +1111,10 @@
subglyph->transform.oy = l;
}
xx = 1 << 16;
xx = 0x10000;
xy = 0;
yx = 0;
yy = 1 << 16;
yy = 0x10000;
if ( new_flags & WE_HAVE_A_SCALE )
{
@ -1147,13 +1147,12 @@
k = FT_MulFix( xx, yy ) - FT_MulFix( xy, yx );
/* disable hinting in case of scaling/slanting */
if ( ABS( k ) != (1 << 16) )
if ( ABS( k ) != 0x10000 )
subglyph2->is_hinted = FALSE;
subglyph->file_offset = FILE_Pos();
phase = Load_Glyph;
break;
/************************************************************/
@ -1223,8 +1222,10 @@
/* adjust counts */
num_elem_points = subglyph->zone.n_points;
for ( k = 0; k < num_contours; k++ )
subglyph2->zone.contours[k] += subglyph->zone.n_points;
subglyph2->zone.contours[k] += num_elem_points;
subglyph->zone.n_points += num_points;
subglyph->zone.n_contours += num_contours;
@ -1239,14 +1240,14 @@
k = subglyph->arg1;
l = subglyph->arg2;
if ( k >= subglyph->zone.n_points ||
if ( k >= num_elem_points ||
l >= num_points )
{
error = TT_Err_Invalid_Composite;
goto Fail;
}
l += subglyph->zone.n_points;
l += num_elem_points;
x = subglyph->zone.cur[k].x - subglyph->zone.cur[l].x;
y = subglyph->zone.cur[k].y - subglyph->zone.cur[l].y;
@ -1260,15 +1261,15 @@
{
x = SCALE_X( x );
y = SCALE_Y( y );
if ( subglyph->element_flag & ROUND_XY_TO_GRID )
{
x = (x + 32) & -64;
y = (y + 32) & -64;
}
}
}
if ( subglyph->element_flag & ROUND_XY_TO_GRID )
{
x = (x + 32) & -64;
y = (y + 32) & -64;
}
translate_array( num_points, subglyph2->zone.cur, x, y );
cur_to_org( num_points, &subglyph2->zone );
@ -1313,7 +1314,7 @@
exec->pts = base_pts;
for ( u = 0; u < num_points; u++ )
for ( u = 0; u < num_points + 2; u++ )
{
glyph->outline.points[u] = exec->pts.cur[u];
glyph->outline.flags [u] = exec->pts.touch[u];
@ -1327,7 +1328,7 @@
glyph->outline.second_pass = TRUE;
/* translate array so that (0,0) is the glyph's origin */
translate_array( num_points, glyph->outline.points,
translate_array( num_points + 2, glyph->outline.points,
-subglyph->pp1.x, 0 );
FT_Get_Outline_CBox( &glyph->outline, &bbox );
@ -1423,19 +1424,25 @@
}
}
/* We must adjust the top_bearing value from the bounding box given
in the glyph header to te bounding box calculated with
TT_Get_Outline_BBox() */
/* scale the metrics */
if ( !(load_flags & FT_LOAD_NO_SCALE) )
{
top = SCALE_Y( top_bearing );
Top = SCALE_Y( top_bearing );
top = SCALE_Y( top_bearing + subglyph->bbox.yMax ) - bbox.yMax;
advance = SCALE_X( advance_height );
}
else
{
top = top_bearing;
Top = top_bearing;
top = top_bearing + subglyph->bbox.yMax - bbox.yMax;
advance = advance_height;
}
glyph->metrics2.vertBearingY = top;
glyph->metrics2.vertBearingY = Top;
glyph->metrics2.vertAdvance = advance;
/* XXX: for now, we have no better algorithm for the lsb, but it */

2
src/truetype/ttobjs.c
View File

@ -135,7 +135,6 @@
TT_Bool wide_chars = 1;
/* first pass, look for a given name record */
rec = face->name_table.names;
for ( n = 0; n < face->name_table.numNameRecords; n++, rec++ )
{
@ -144,7 +143,6 @@
/* found the name - now create an ASCII string from it */
TT_Bool found = 0;
/* Test for Microsoft English language */
if ( rec->platformID == TT_PLATFORM_MICROSOFT &&
rec->encodingID < TT_MS_ID_UNICODE_CS &&