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Diffstat (limited to 'Build/source/libs/freetype2/freetype-src/src/cff/cf2hints.c')
-rw-r--r--Build/source/libs/freetype2/freetype-src/src/cff/cf2hints.c255
1 files changed, 141 insertions, 114 deletions
diff --git a/Build/source/libs/freetype2/freetype-src/src/cff/cf2hints.c b/Build/source/libs/freetype2/freetype-src/src/cff/cf2hints.c
index c8f7dfeba6d..656eb2cff17 100644
--- a/Build/source/libs/freetype2/freetype-src/src/cff/cf2hints.c
+++ b/Build/source/libs/freetype2/freetype-src/src/cff/cf2hints.c
@@ -74,8 +74,8 @@
/* cross product of pt1 position from origin with pt2 position from */
/* pt1; we reduce the precision so that the result fits into 32 bits */
- return ( x1 >> 16 ) * ( ( y2 - y1 ) >> 16 ) -
- ( y1 >> 16 ) * ( ( x2 - x1 ) >> 16 );
+ return ( x1 >> 16 ) * ( SUB_INT32( y2, y1 ) >> 16 ) -
+ ( y1 >> 16 ) * ( SUB_INT32( x2, x1 ) >> 16 );
}
@@ -105,7 +105,7 @@
stemHintArray,
indexStemHint );
- width = stemHint->max - stemHint->min;
+ width = SUB_INT32( stemHint->max, stemHint->min );
if ( width == cf2_intToFixed( -21 ) )
{
@@ -185,11 +185,11 @@
/* darkening. Bottoms are not changed; tops are incremented by twice */
/* `darkenY'. */
if ( cf2_hint_isTop( hint ) )
- hint->csCoord += 2 * font->darkenY;
+ hint->csCoord = ADD_INT32( hint->csCoord, 2 * font->darkenY );
- hint->csCoord += hintOrigin;
- hint->scale = scale;
- hint->index = indexStemHint; /* index in original stem hint array */
+ hint->csCoord = ADD_INT32( hint->csCoord, hintOrigin );
+ hint->scale = scale;
+ hint->index = indexStemHint; /* index in original stem hint array */
/* if original stem hint has been used, use the same position */
if ( hint->flags != 0 && stemHint->used )
@@ -314,6 +314,7 @@
/* start linear search from last hit */
CF2_UInt i = hintmap->lastIndex;
+
FT_ASSERT( hintmap->lastIndex < CF2_MAX_HINT_EDGES );
/* search up */
@@ -330,9 +331,10 @@
if ( i == 0 && csCoord < hintmap->edge[0].csCoord )
{
/* special case for points below first edge: use uniform scale */
- return FT_MulFix( csCoord - hintmap->edge[0].csCoord,
- hintmap->scale ) +
- hintmap->edge[0].dsCoord;
+ return ADD_INT32( FT_MulFix( SUB_INT32( csCoord,
+ hintmap->edge[0].csCoord ),
+ hintmap->scale ),
+ hintmap->edge[0].dsCoord );
}
else
{
@@ -340,9 +342,10 @@
* Note: entries with duplicate csCoord are allowed.
* Use edge[i], the highest entry where csCoord >= entry[i].csCoord
*/
- return FT_MulFix( csCoord - hintmap->edge[i].csCoord,
- hintmap->edge[i].scale ) +
- hintmap->edge[i].dsCoord;
+ return ADD_INT32( FT_MulFix( SUB_INT32( csCoord,
+ hintmap->edge[i].csCoord ),
+ hintmap->edge[i].scale ),
+ hintmap->edge[i].dsCoord );
}
}
}
@@ -437,14 +440,16 @@
/* is there room to move up? */
/* there is if we are at top of array or the next edge is at or */
/* beyond proposed move up? */
- if ( j >= hintmap->count - 1 ||
+ if ( j >= hintmap->count - 1 ||
hintmap->edge[j + 1].dsCoord >=
- hintmap->edge[j].dsCoord + moveUp + upMinCounter )
+ ADD_INT32( hintmap->edge[j].dsCoord,
+ moveUp + upMinCounter ) )
{
/* there is room to move up; is there also room to move down? */
- if ( i == 0 ||
+ if ( i == 0 ||
hintmap->edge[i - 1].dsCoord <=
- hintmap->edge[i].dsCoord + moveDown - downMinCounter )
+ ADD_INT32( hintmap->edge[i].dsCoord,
+ moveDown - downMinCounter ) )
{
/* move smaller absolute amount */
move = ( -moveDown < moveUp ) ? moveDown : moveUp; /* optimum */
@@ -455,9 +460,10 @@
else
{
/* is there room to move down? */
- if ( i == 0 ||
+ if ( i == 0 ||
hintmap->edge[i - 1].dsCoord <=
- hintmap->edge[i].dsCoord + moveDown - downMinCounter )
+ ADD_INT32( hintmap->edge[i].dsCoord,
+ moveDown - downMinCounter ) )
{
move = moveDown;
/* true if non-optimum move */
@@ -491,9 +497,11 @@
}
/* move the edge(s) */
- hintmap->edge[i].dsCoord += move;
+ hintmap->edge[i].dsCoord = ADD_INT32( hintmap->edge[i].dsCoord,
+ move );
if ( isPair )
- hintmap->edge[j].dsCoord += move;
+ hintmap->edge[j].dsCoord = ADD_INT32( hintmap->edge[j].dsCoord,
+ move );
}
/* assert there are no overlaps in device space */
@@ -507,18 +515,20 @@
{
if ( hintmap->edge[i].csCoord != hintmap->edge[i - 1].csCoord )
hintmap->edge[i - 1].scale =
- FT_DivFix(
- hintmap->edge[i].dsCoord - hintmap->edge[i - 1].dsCoord,
- hintmap->edge[i].csCoord - hintmap->edge[i - 1].csCoord );
+ FT_DivFix( SUB_INT32( hintmap->edge[i].dsCoord,
+ hintmap->edge[i - 1].dsCoord ),
+ SUB_INT32( hintmap->edge[i].csCoord,
+ hintmap->edge[i - 1].csCoord ) );
}
if ( isPair )
{
if ( hintmap->edge[j].csCoord != hintmap->edge[j - 1].csCoord )
hintmap->edge[j - 1].scale =
- FT_DivFix(
- hintmap->edge[j].dsCoord - hintmap->edge[j - 1].dsCoord,
- hintmap->edge[j].csCoord - hintmap->edge[j - 1].csCoord );
+ FT_DivFix( SUB_INT32( hintmap->edge[j].dsCoord,
+ hintmap->edge[j - 1].dsCoord ),
+ SUB_INT32( hintmap->edge[j].csCoord,
+ hintmap->edge[j - 1].csCoord ) );
i += 1; /* skip upper edge on next loop */
}
@@ -539,15 +549,18 @@
/* is there room to move up? */
if ( hintmap->edge[j + 1].dsCoord >=
- hintmap->edge[j].dsCoord + hintMove->moveUp + CF2_MIN_COUNTER )
+ ADD_INT32( hintmap->edge[j].dsCoord,
+ hintMove->moveUp + CF2_MIN_COUNTER ) )
{
/* there is more room now, move edge up */
- hintmap->edge[j].dsCoord += hintMove->moveUp;
+ hintmap->edge[j].dsCoord = ADD_INT32( hintmap->edge[j].dsCoord,
+ hintMove->moveUp );
if ( cf2_hint_isPair( &hintmap->edge[j] ) )
{
FT_ASSERT( j > 0 );
- hintmap->edge[j - 1].dsCoord += hintMove->moveUp;
+ hintmap->edge[j - 1].dsCoord =
+ ADD_INT32( hintmap->edge[j - 1].dsCoord, hintMove->moveUp );
}
}
}
@@ -635,18 +648,19 @@
{
/* Use hint map to position the center of stem, and nominal scale */
/* to position the two edges. This preserves the stem width. */
- CF2_Fixed midpoint = cf2_hintmap_map(
- hintmap->initialHintMap,
- ( secondHintEdge->csCoord +
- firstHintEdge->csCoord ) / 2 );
- CF2_Fixed halfWidth = FT_MulFix(
- ( secondHintEdge->csCoord -
- firstHintEdge->csCoord ) / 2,
- hintmap->scale );
-
-
- firstHintEdge->dsCoord = midpoint - halfWidth;
- secondHintEdge->dsCoord = midpoint + halfWidth;
+ CF2_Fixed midpoint =
+ cf2_hintmap_map(
+ hintmap->initialHintMap,
+ ADD_INT32( secondHintEdge->csCoord,
+ firstHintEdge->csCoord ) / 2 );
+ CF2_Fixed halfWidth =
+ FT_MulFix( SUB_INT32( secondHintEdge->csCoord,
+ firstHintEdge->csCoord ) / 2,
+ hintmap->scale );
+
+
+ firstHintEdge->dsCoord = SUB_INT32( midpoint, halfWidth );
+ secondHintEdge->dsCoord = ADD_INT32( midpoint, halfWidth );
}
else
firstHintEdge->dsCoord = cf2_hintmap_map( hintmap->initialHintMap,
@@ -715,7 +729,7 @@
/* insert first edge */
hintmap->edge[indexInsert] = *firstHintEdge; /* copy struct */
- hintmap->count += 1;
+ hintmap->count += 1;
if ( isPair )
{
@@ -781,7 +795,7 @@
cf2_arrstack_size( hStemHintArray ) +
cf2_arrstack_size( vStemHintArray ) );
if ( !cf2_hintmask_isValid( hintMask ) )
- return; /* too many stem hints */
+ return; /* too many stem hints */
}
/* begin by clearing the map */
@@ -797,7 +811,7 @@
/* Defense-in-depth. Should never return here. */
if ( bitCount > hintMask->bitCount )
- return;
+ return;
/* synthetic embox hints get highest priority */
if ( font->blues.doEmBoxHints )
@@ -1063,7 +1077,7 @@
cf2_fixedAbs( glyphpath->yOffset ) );
/* .1 character space unit */
- glyphpath->snapThreshold = cf2_floatToFixed( 0.1f );
+ glyphpath->snapThreshold = cf2_doubleToFixed( 0.1 );
glyphpath->moveIsPending = TRUE;
glyphpath->pathIsOpen = FALSE;
@@ -1095,16 +1109,20 @@
FT_Vector pt; /* hinted point in upright DS */
- pt.x = FT_MulFix( glyphpath->scaleX, x ) +
- FT_MulFix( glyphpath->scaleC, y );
+ pt.x = ADD_INT32( FT_MulFix( glyphpath->scaleX, x ),
+ FT_MulFix( glyphpath->scaleC, y ) );
pt.y = cf2_hintmap_map( hintmap, y );
- ppt->x = FT_MulFix( glyphpath->font->outerTransform.a, pt.x ) +
- FT_MulFix( glyphpath->font->outerTransform.c, pt.y ) +
- glyphpath->fractionalTranslation.x;
- ppt->y = FT_MulFix( glyphpath->font->outerTransform.b, pt.x ) +
- FT_MulFix( glyphpath->font->outerTransform.d, pt.y ) +
- glyphpath->fractionalTranslation.y;
+ ppt->x = ADD_INT32(
+ FT_MulFix( glyphpath->font->outerTransform.a, pt.x ),
+ ADD_INT32(
+ FT_MulFix( glyphpath->font->outerTransform.c, pt.y ),
+ glyphpath->fractionalTranslation.x ) );
+ ppt->y = ADD_INT32(
+ FT_MulFix( glyphpath->font->outerTransform.b, pt.x ),
+ ADD_INT32(
+ FT_MulFix( glyphpath->font->outerTransform.d, pt.y ),
+ glyphpath->fractionalTranslation.y ) );
}
@@ -1154,12 +1172,12 @@
CF2_Fixed denominator, s;
- u.x = CF2_CS_SCALE( u2->x - u1->x );
- u.y = CF2_CS_SCALE( u2->y - u1->y );
- v.x = CF2_CS_SCALE( v2->x - v1->x );
- v.y = CF2_CS_SCALE( v2->y - v1->y );
- w.x = CF2_CS_SCALE( v1->x - u1->x );
- w.y = CF2_CS_SCALE( v1->y - u1->y );
+ u.x = CF2_CS_SCALE( SUB_INT32( u2->x, u1->x ) );
+ u.y = CF2_CS_SCALE( SUB_INT32( u2->y, u1->y ) );
+ v.x = CF2_CS_SCALE( SUB_INT32( v2->x, v1->x ) );
+ v.y = CF2_CS_SCALE( SUB_INT32( v2->y, v1->y ) );
+ w.x = CF2_CS_SCALE( SUB_INT32( v1->x, u1->x ) );
+ w.y = CF2_CS_SCALE( SUB_INT32( v1->y, u1->y ) );
denominator = cf2_perp( u, v );
@@ -1168,8 +1186,11 @@
s = FT_DivFix( cf2_perp( w, v ), denominator );
- intersection->x = u1->x + FT_MulFix( s, u2->x - u1->x );
- intersection->y = u1->y + FT_MulFix( s, u2->y - u1->y );
+ intersection->x = ADD_INT32( u1->x,
+ FT_MulFix( s, SUB_INT32( u2->x, u1->x ) ) );
+ intersection->y = ADD_INT32( u1->y,
+ FT_MulFix( s, SUB_INT32( u2->y, u1->y ) ) );
+
/*
* Special case snapping for horizontal and vertical lines.
@@ -1180,25 +1201,29 @@
*
*/
- if ( u1->x == u2->x &&
- cf2_fixedAbs( intersection->x - u1->x ) < glyphpath->snapThreshold )
+ if ( u1->x == u2->x &&
+ cf2_fixedAbs( SUB_INT32( intersection->x,
+ u1->x ) ) < glyphpath->snapThreshold )
intersection->x = u1->x;
- if ( u1->y == u2->y &&
- cf2_fixedAbs( intersection->y - u1->y ) < glyphpath->snapThreshold )
+ if ( u1->y == u2->y &&
+ cf2_fixedAbs( SUB_INT32( intersection->y,
+ u1->y ) ) < glyphpath->snapThreshold )
intersection->y = u1->y;
- if ( v1->x == v2->x &&
- cf2_fixedAbs( intersection->x - v1->x ) < glyphpath->snapThreshold )
+ if ( v1->x == v2->x &&
+ cf2_fixedAbs( SUB_INT32( intersection->x,
+ v1->x ) ) < glyphpath->snapThreshold )
intersection->x = v1->x;
- if ( v1->y == v2->y &&
- cf2_fixedAbs( intersection->y - v1->y ) < glyphpath->snapThreshold )
+ if ( v1->y == v2->y &&
+ cf2_fixedAbs( SUB_INT32( intersection->y,
+ v1->y ) ) < glyphpath->snapThreshold )
intersection->y = v1->y;
/* limit the intersection distance from midpoint of u2 and v1 */
- if ( cf2_fixedAbs( intersection->x - ( u2->x + v1->x ) / 2 ) >
- glyphpath->miterLimit ||
- cf2_fixedAbs( intersection->y - ( u2->y + v1->y ) / 2 ) >
- glyphpath->miterLimit )
+ if ( cf2_fixedAbs( intersection->x - ADD_INT32( u2->x, v1->x ) / 2 ) >
+ glyphpath->miterLimit ||
+ cf2_fixedAbs( intersection->y - ADD_INT32( u2->y, v1->y ) / 2 ) >
+ glyphpath->miterLimit )
return FALSE;
return TRUE;
@@ -1446,16 +1471,16 @@
CF2_Fixed* x,
CF2_Fixed* y )
{
- CF2_Fixed dx = x2 - x1;
- CF2_Fixed dy = y2 - y1;
+ CF2_Fixed dx = SUB_INT32( x2, x1 );
+ CF2_Fixed dy = SUB_INT32( y2, y1 );
/* note: negative offsets don't work here; negate deltas to change */
/* quadrants, below */
if ( glyphpath->font->reverseWinding )
{
- dx = -dx;
- dy = -dy;
+ dx = NEG_INT32( dx );
+ dy = NEG_INT32( dy );
}
*x = *y = 0;
@@ -1464,8 +1489,9 @@
return;
/* add momentum for this path element */
- glyphpath->callbacks->windingMomentum +=
- cf2_getWindingMomentum( x1, y1, x2, y2 );
+ glyphpath->callbacks->windingMomentum =
+ ADD_INT32( glyphpath->callbacks->windingMomentum,
+ cf2_getWindingMomentum( x1, y1, x2, y2 ) );
/* note: allow mixed integer and fixed multiplication here */
if ( dx >= 0 )
@@ -1474,13 +1500,13 @@
{
/* first quadrant, +x +y */
- if ( dx > 2 * dy )
+ if ( dx > MUL_INT32( 2, dy ) )
{
/* +x */
*x = 0;
*y = 0;
}
- else if ( dy > 2 * dx )
+ else if ( dy > MUL_INT32( 2, dx ) )
{
/* +y */
*x = glyphpath->xOffset;
@@ -1489,9 +1515,9 @@
else
{
/* +x +y */
- *x = FT_MulFix( cf2_floatToFixed( 0.7 ),
+ *x = FT_MulFix( cf2_doubleToFixed( 0.7 ),
glyphpath->xOffset );
- *y = FT_MulFix( cf2_floatToFixed( 1.0 - 0.7 ),
+ *y = FT_MulFix( cf2_doubleToFixed( 1.0 - 0.7 ),
glyphpath->yOffset );
}
}
@@ -1499,24 +1525,24 @@
{
/* fourth quadrant, +x -y */
- if ( dx > -2 * dy )
+ if ( dx > MUL_INT32( -2, dy ) )
{
/* +x */
*x = 0;
*y = 0;
}
- else if ( -dy > 2 * dx )
+ else if ( NEG_INT32( dy ) > MUL_INT32( 2, dx ) )
{
/* -y */
- *x = -glyphpath->xOffset;
+ *x = NEG_INT32( glyphpath->xOffset );
*y = glyphpath->yOffset;
}
else
{
/* +x -y */
- *x = FT_MulFix( cf2_floatToFixed( -0.7 ),
+ *x = FT_MulFix( cf2_doubleToFixed( -0.7 ),
glyphpath->xOffset );
- *y = FT_MulFix( cf2_floatToFixed( 1.0 - 0.7 ),
+ *y = FT_MulFix( cf2_doubleToFixed( 1.0 - 0.7 ),
glyphpath->yOffset );
}
}
@@ -1527,13 +1553,13 @@
{
/* second quadrant, -x +y */
- if ( -dx > 2 * dy )
+ if ( NEG_INT32( dx ) > MUL_INT32( 2, dy ) )
{
/* -x */
*x = 0;
- *y = 2 * glyphpath->yOffset;
+ *y = MUL_INT32( 2, glyphpath->yOffset );
}
- else if ( dy > -2 * dx )
+ else if ( dy > MUL_INT32( -2, dx ) )
{
/* +y */
*x = glyphpath->xOffset;
@@ -1542,9 +1568,9 @@
else
{
/* -x +y */
- *x = FT_MulFix( cf2_floatToFixed( 0.7 ),
+ *x = FT_MulFix( cf2_doubleToFixed( 0.7 ),
glyphpath->xOffset );
- *y = FT_MulFix( cf2_floatToFixed( 1.0 + 0.7 ),
+ *y = FT_MulFix( cf2_doubleToFixed( 1.0 + 0.7 ),
glyphpath->yOffset );
}
}
@@ -1552,24 +1578,24 @@
{
/* third quadrant, -x -y */
- if ( -dx > -2 * dy )
+ if ( NEG_INT32( dx ) > MUL_INT32( -2, dy ) )
{
/* -x */
*x = 0;
- *y = 2 * glyphpath->yOffset;
+ *y = MUL_INT32( 2, glyphpath->yOffset );
}
- else if ( -dy > -2 * dx )
+ else if ( NEG_INT32( dy ) > MUL_INT32( -2, dx ) )
{
/* -y */
- *x = -glyphpath->xOffset;
+ *x = NEG_INT32( glyphpath->xOffset );
*y = glyphpath->yOffset;
}
else
{
/* -x -y */
- *x = FT_MulFix( cf2_floatToFixed( -0.7 ),
+ *x = FT_MulFix( cf2_doubleToFixed( -0.7 ),
glyphpath->xOffset );
- *y = FT_MulFix( cf2_floatToFixed( 1.0 + 0.7 ),
+ *y = FT_MulFix( cf2_doubleToFixed( 1.0 + 0.7 ),
glyphpath->yOffset );
}
}
@@ -1675,10 +1701,10 @@
&yOffset );
/* construct offset points */
- P0.x = glyphpath->currentCS.x + xOffset;
- P0.y = glyphpath->currentCS.y + yOffset;
- P1.x = x + xOffset;
- P1.y = y + yOffset;
+ P0.x = ADD_INT32( glyphpath->currentCS.x, xOffset );
+ P0.y = ADD_INT32( glyphpath->currentCS.y, yOffset );
+ P1.x = ADD_INT32( x, xOffset );
+ P1.y = ADD_INT32( y, yOffset );
if ( glyphpath->moveIsPending )
{
@@ -1753,19 +1779,20 @@
&yOffset3 );
/* add momentum from the middle segment */
- glyphpath->callbacks->windingMomentum +=
- cf2_getWindingMomentum( x1, y1, x2, y2 );
+ glyphpath->callbacks->windingMomentum =
+ ADD_INT32( glyphpath->callbacks->windingMomentum,
+ cf2_getWindingMomentum( x1, y1, x2, y2 ) );
/* construct offset points */
- P0.x = glyphpath->currentCS.x + xOffset1;
- P0.y = glyphpath->currentCS.y + yOffset1;
- P1.x = x1 + xOffset1;
- P1.y = y1 + yOffset1;
+ P0.x = ADD_INT32( glyphpath->currentCS.x, xOffset1 );
+ P0.y = ADD_INT32( glyphpath->currentCS.y, yOffset1 );
+ P1.x = ADD_INT32( x1, xOffset1 );
+ P1.y = ADD_INT32( y1, yOffset1 );
/* note: preserve angle of final segment by using offset3 at both ends */
- P2.x = x2 + xOffset3;
- P2.y = y2 + yOffset3;
- P3.x = x3 + xOffset3;
- P3.y = y3 + yOffset3;
+ P2.x = ADD_INT32( x2, xOffset3 );
+ P2.y = ADD_INT32( y2, yOffset3 );
+ P3.x = ADD_INT32( x3, xOffset3 );
+ P3.y = ADD_INT32( y3, yOffset3 );
if ( glyphpath->moveIsPending )
{