Commit 51a5e3389cef401cecd0860e717a5075e715786d
2020-09-02T00:02:28
[truetype] Reduce Infinality footprint. * src/truetype/ttinterp.c (Ins_SHPIX, Ins_MSIRP, Ins_MIAP, Ins_MDRP, Ins_MIRP): Shrink variable scopes and consolidate ifdefs.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304
diff --git a/ChangeLog b/ChangeLog
index 26aa3bc..84cd994 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2020-09-02 Alexei Podtelezhnikov <apodtele@gmail.com>
+
+ [truetype] Reduce Infinality footprint.
+
+ * src/truetype/ttinterp.c (Ins_SHPIX, Ins_MSIRP, Ins_MIAP, Ins_MDRP,
+ Ins_MIRP): Shrink variable scopes and consolidate ifdefs.
+
2020-09-01 Alexei Podtelezhnikov <apodtele@gmail.com>
[truetype] Refactor compensation color.
diff --git a/src/truetype/ttinterp.c b/src/truetype/ttinterp.c
index 28c8d6d..bdcbc49 100644
--- a/src/truetype/ttinterp.c
+++ b/src/truetype/ttinterp.c
@@ -5722,9 +5722,6 @@
{
FT_F26Dot6 dx, dy;
FT_UShort point;
-#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY
- FT_Int B1, B2;
-#endif
#ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL
FT_Bool in_twilight = FT_BOOL( exc->GS.gep0 == 0 ||
exc->GS.gep1 == 0 ||
@@ -5771,6 +5768,9 @@
if ( exc->ignore_x_mode )
{
+ FT_Int B1, B2;
+
+
/* save point for later comparison */
if ( exc->GS.freeVector.y != 0 )
B1 = exc->zp2.cur[point].y;
@@ -5882,22 +5882,8 @@
{
FT_UShort point = 0;
FT_F26Dot6 distance;
-#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY
- FT_F26Dot6 control_value_cutin = 0;
- FT_F26Dot6 delta;
- if ( SUBPIXEL_HINTING_INFINALITY )
- {
- control_value_cutin = exc->GS.control_value_cutin;
-
- if ( exc->ignore_x_mode &&
- exc->GS.freeVector.x != 0 &&
- !( exc->sph_tweak_flags & SPH_TWEAK_NORMAL_ROUND ) )
- control_value_cutin = 0;
- }
-#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */
-
point = (FT_UShort)args[0];
if ( BOUNDS( point, exc->zp1.n_points ) ||
@@ -5920,16 +5906,25 @@
distance = PROJECT( exc->zp1.cur + point, exc->zp0.cur + exc->GS.rp0 );
#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY
- delta = SUB_LONG( distance, args[1] );
- if ( delta < 0 )
- delta = NEG_LONG( delta );
-
/* subpixel hinting - make MSIRP respect CVT cut-in; */
- if ( SUBPIXEL_HINTING_INFINALITY &&
- exc->ignore_x_mode &&
- exc->GS.freeVector.x != 0 &&
- delta >= control_value_cutin )
- distance = args[1];
+ if ( SUBPIXEL_HINTING_INFINALITY &&
+ exc->ignore_x_mode &&
+ exc->GS.freeVector.x != 0 )
+ {
+ FT_F26Dot6 control_value_cutin = exc->GS.control_value_cutin;
+ FT_F26Dot6 delta;
+
+
+ if ( !( exc->sph_tweak_flags & SPH_TWEAK_NORMAL_ROUND ) )
+ control_value_cutin = 0;
+
+ delta = SUB_LONG( distance, args[1] );
+ if ( delta < 0 )
+ delta = NEG_LONG( delta );
+
+ if ( delta >= control_value_cutin )
+ distance = args[1];
+ }
#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */
exc->func_move( exc,
@@ -6005,21 +6000,10 @@
FT_UShort point;
FT_F26Dot6 distance;
FT_F26Dot6 org_dist;
- FT_F26Dot6 control_value_cutin;
-
- control_value_cutin = exc->GS.control_value_cutin;
- cvtEntry = (FT_ULong)args[1];
- point = (FT_UShort)args[0];
-#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY
- if ( SUBPIXEL_HINTING_INFINALITY &&
- exc->ignore_x_mode &&
- exc->GS.freeVector.x != 0 &&
- exc->GS.freeVector.y == 0 &&
- !( exc->sph_tweak_flags & SPH_TWEAK_NORMAL_ROUND ) )
- control_value_cutin = 0;
-#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */
+ cvtEntry = (FT_ULong)args[1];
+ point = (FT_UShort)args[0];
if ( BOUNDS( point, exc->zp0.n_points ) ||
BOUNDSL( cvtEntry, exc->cvtSize ) )
@@ -6079,9 +6063,19 @@
if ( ( exc->opcode & 1 ) != 0 ) /* rounding and control cut-in flag */
{
+ FT_F26Dot6 control_value_cutin = exc->GS.control_value_cutin;
FT_F26Dot6 delta;
+#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY
+ if ( SUBPIXEL_HINTING_INFINALITY &&
+ exc->ignore_x_mode &&
+ exc->GS.freeVector.x != 0 &&
+ exc->GS.freeVector.y == 0 &&
+ !( exc->sph_tweak_flags & SPH_TWEAK_NORMAL_ROUND ) )
+ control_value_cutin = 0;
+#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */
+
delta = SUB_LONG( distance, org_dist );
if ( delta < 0 )
delta = NEG_LONG( delta );
@@ -6118,18 +6112,8 @@
FT_Long* args )
{
FT_UShort point = 0;
- FT_F26Dot6 org_dist, distance, minimum_distance;
-
-
- minimum_distance = exc->GS.minimum_distance;
+ FT_F26Dot6 org_dist, distance;
-#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY
- if ( SUBPIXEL_HINTING_INFINALITY &&
- exc->ignore_x_mode &&
- exc->GS.freeVector.x != 0 &&
- !( exc->sph_tweak_flags & SPH_TWEAK_NORMAL_ROUND ) )
- minimum_distance = 0;
-#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */
point = (FT_UShort)args[0];
@@ -6215,6 +6199,17 @@
if ( ( exc->opcode & 8 ) != 0 )
{
+ FT_F26Dot6 minimum_distance = exc->GS.minimum_distance;
+
+
+#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY
+ if ( SUBPIXEL_HINTING_INFINALITY &&
+ exc->ignore_x_mode &&
+ exc->GS.freeVector.x != 0 &&
+ !( exc->sph_tweak_flags & SPH_TWEAK_NORMAL_ROUND ) )
+ minimum_distance = 0;
+#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */
+
if ( org_dist >= 0 )
{
if ( distance < minimum_distance )
@@ -6258,30 +6253,13 @@
FT_F26Dot6 cvt_dist,
distance,
cur_dist,
- org_dist,
- control_value_cutin,
- minimum_distance;
-#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY
- FT_Int B1 = 0; /* pacify compiler */
- FT_Int B2 = 0;
- FT_Bool reverse_move = FALSE;
-#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */
+ org_dist;
FT_F26Dot6 delta;
- minimum_distance = exc->GS.minimum_distance;
- control_value_cutin = exc->GS.control_value_cutin;
- point = (FT_UShort)args[0];
- cvtEntry = (FT_ULong)( ADD_LONG( args[1], 1 ) );
-
-#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY
- if ( SUBPIXEL_HINTING_INFINALITY &&
- exc->ignore_x_mode &&
- exc->GS.freeVector.x != 0 &&
- !( exc->sph_tweak_flags & SPH_TWEAK_NORMAL_ROUND ) )
- control_value_cutin = minimum_distance = 0;
-#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */
+ point = (FT_UShort)args[0];
+ cvtEntry = (FT_ULong)( ADD_LONG( args[1], 1 ) );
/* XXX: UNDOCUMENTED! cvt[-1] = 0 always */
@@ -6361,6 +6339,9 @@
if ( exc->GS.gep0 == exc->GS.gep1 )
{
+ FT_F26Dot6 control_value_cutin = exc->GS.control_value_cutin;
+
+
/* XXX: According to Greg Hitchcock, the following wording is */
/* the right one: */
/* */
@@ -6392,6 +6373,13 @@
exc->ignore_x_mode &&
exc->GS.gep0 == exc->GS.gep1 )
{
+ FT_F26Dot6 control_value_cutin = exc->GS.control_value_cutin;
+
+
+ if ( exc->GS.freeVector.x != 0 &&
+ !( exc->sph_tweak_flags & SPH_TWEAK_NORMAL_ROUND ) )
+ control_value_cutin = 0;
+
delta = SUB_LONG( cvt_dist, org_dist );
if ( delta < 0 )
delta = NEG_LONG( delta );
@@ -6408,6 +6396,17 @@
if ( ( exc->opcode & 8 ) != 0 )
{
+ FT_F26Dot6 minimum_distance = exc->GS.minimum_distance;
+
+
+#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY
+ if ( SUBPIXEL_HINTING_INFINALITY &&
+ exc->ignore_x_mode &&
+ exc->GS.freeVector.x != 0 &&
+ !( exc->sph_tweak_flags & SPH_TWEAK_NORMAL_ROUND ) )
+ minimum_distance = 0;
+#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */
+
if ( org_dist >= 0 )
{
if ( distance < minimum_distance )
@@ -6423,6 +6422,10 @@
#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY
if ( SUBPIXEL_HINTING_INFINALITY )
{
+ FT_Int B1, B2;
+ FT_Bool reverse_move = FALSE;
+
+
B1 = exc->zp1.cur[point].y;
/* Round moves if necessary */
@@ -6437,17 +6440,12 @@
( exc->opcode & 8 ) == 0 &&
( exc->sph_tweak_flags & SPH_TWEAK_COURIER_NEW_2_HACK ) )
distance += 64;
- }
-#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */
- exc->func_move( exc,
- &exc->zp1,
- point,
- SUB_LONG( distance, cur_dist ) );
+ exc->func_move( exc,
+ &exc->zp1,
+ point,
+ SUB_LONG( distance, cur_dist ) );
-#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY
- if ( SUBPIXEL_HINTING_INFINALITY )
- {
B2 = exc->zp1.cur[point].y;
/* Reverse move if necessary */
@@ -6472,9 +6470,14 @@
point,
SUB_LONG( cur_dist, distance ) );
}
-
+ else
#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */
+ exc->func_move( exc,
+ &exc->zp1,
+ point,
+ SUB_LONG( distance, cur_dist ) );
+
Fail:
exc->GS.rp1 = exc->GS.rp0;