diff options
Diffstat (limited to 'freetype/src/autofit/aflatin2.c')
-rw-r--r-- | freetype/src/autofit/aflatin2.c | 97 |
1 files changed, 50 insertions, 47 deletions
diff --git a/freetype/src/autofit/aflatin2.c b/freetype/src/autofit/aflatin2.c index 40a5ffd6a..b1e9658d5 100644 --- a/freetype/src/autofit/aflatin2.c +++ b/freetype/src/autofit/aflatin2.c @@ -4,7 +4,7 @@ /* */ /* Auto-fitter hinting routines for latin script (body). */ /* */ -/* Copyright 2003-2012 by */ +/* Copyright 2003-2013 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -475,7 +475,7 @@ af_latin2_metrics_init( AF_LatinMetrics metrics, FT_Face face ) { - FT_Error error = AF_Err_Ok; + FT_Error error = FT_Err_Ok; FT_CharMap oldmap = face->charmap; FT_UInt ee; @@ -507,7 +507,7 @@ } FT_Set_Charmap( face, oldmap ); - return AF_Err_Ok; + return FT_Err_Ok; } @@ -708,7 +708,7 @@ { AF_AxisHints axis = &hints->axis[dim]; FT_Memory memory = hints->memory; - FT_Error error = AF_Err_Ok; + FT_Error error = FT_Err_Ok; AF_Segment segment = NULL; AF_SegmentRec seg0; AF_Point* contour = hints->contours; @@ -824,17 +824,17 @@ segment->dir = first->out_dir; segment->first = first; segment->last = point; - segment->pos = (FT_Short)(( min_u + max_u ) >> 1); + segment->pos = (FT_Short)( ( min_u + max_u ) >> 1 ); segment->min_coord = (FT_Short) min_v; segment->max_coord = (FT_Short) max_v; - segment->height = (FT_Short)(max_v - min_v); + segment->height = (FT_Short)( max_v - min_v ); /* a segment is round if it doesn't have successive */ /* on-curve points. */ { AF_Point pt = first; AF_Point last = point; - AF_Flags f0 = (AF_Flags)(pt->flags & AF_FLAG_CONTROL); + AF_Flags f0 = (AF_Flags)( pt->flags & AF_FLAG_CONTROL ); AF_Flags f1; @@ -843,7 +843,7 @@ for ( ; pt != last; f0 = f1 ) { pt = pt->next; - f1 = (AF_Flags)(pt->flags & AF_FLAG_CONTROL); + f1 = (AF_Flags)( pt->flags & AF_FLAG_CONTROL ); if ( !f0 && !f1 ) break; @@ -860,7 +860,7 @@ break; /* jump to the start of the next segment, if any */ - while ( FT_ABS(point->out_dir) != major_dir ) + while ( FT_ABS( point->out_dir ) != major_dir ) { point = point->next; @@ -928,16 +928,17 @@ FT_UInt count = axis->num_segments; FT_UInt ii, jj; - for (ii = 0; ii < count; ii++) + for ( ii = 0; ii < count; ii++ ) { if ( segments[ii].dir > 0 ) { - for (jj = ii+1; jj < count; jj++) + for ( jj = ii + 1; jj < count; jj++ ) { if ( segments[jj].dir < 0 ) { AF_SegmentRec tmp; + tmp = segments[ii]; segments[ii] = segments[jj]; segments[jj] = tmp; @@ -1064,7 +1065,7 @@ AF_Dimension dim ) { AF_AxisHints axis = &hints->axis[dim]; - FT_Error error = AF_Err_Ok; + FT_Error error = FT_Err_Ok; FT_Memory memory = hints->memory; AF_LatinAxis laxis = &((AF_LatinMetrics)hints->metrics)->axis[dim]; @@ -1098,7 +1099,7 @@ if ( dim == AF_DIMENSION_HORZ ) { if ( laxis->width_count > 0 ) - segment_length_threshold = (laxis->standard_width * 10 ) >> 4; + segment_length_threshold = ( laxis->standard_width * 10 ) >> 4; else segment_length_threshold = FT_DivFix( 64, hints->y_scale ); } @@ -1144,10 +1145,11 @@ { FT_Pos dist = seg->serif->pos - seg->pos; - if (dist < 0) + + if ( dist < 0 ) dist = -dist; - if (dist >= laxis->standard_width >> 1) + if ( dist >= laxis->standard_width >> 1 ) { /* unlink this serif, it is too distant from its reference stem */ seg->serif = NULL; @@ -1445,7 +1447,7 @@ compare = &blue->ref; dist = edge->fpos - compare->org; - if (dist < 0) + if ( dist < 0 ) dist = -dist; dist = FT_MulFix( dist, scale ); @@ -1549,8 +1551,8 @@ * In `light' hinting mode we disable horizontal hinting completely. * We also do it if the face is italic. */ - if ( mode == FT_RENDER_MODE_LIGHT || - (face->style_flags & FT_STYLE_FLAG_ITALIC) != 0 ) + if ( mode == FT_RENDER_MODE_LIGHT || + ( face->style_flags & FT_STYLE_FLAG_ITALIC ) != 0 ) scaler_flags |= AF_SCALER_FLAG_NO_HORIZONTAL; hints->scaler_flags = scaler_flags; @@ -1631,8 +1633,8 @@ FT_Int sign = 0; FT_Int vertical = ( dim == AF_DIMENSION_VERT ); + FT_UNUSED( base_flags ); - FT_UNUSED(base_flags); if ( !AF_LATIN_HINTS_DO_STEM_ADJUST( hints ) || axis->extra_light ) @@ -1762,7 +1764,7 @@ if ( delta < 0 ) delta = -delta; - if (delta >= 16) + if ( delta >= 16 ) { dist = org_dist; if ( dist < 48 ) @@ -1816,7 +1818,7 @@ { FT_UNUSED( hints ); - serif->pos = base->pos + (serif->opos - base->opos); + serif->pos = base->pos + ( serif->opos - base->opos ); } @@ -1898,9 +1900,10 @@ { anchor = edge; - anchor_drift = (anchor->pos - anchor->opos); - if (edge2) - anchor_drift = (anchor_drift + (edge2->pos - edge2->opos)) >> 1; + anchor_drift = ( anchor->pos - anchor->opos ); + if ( edge2 ) + anchor_drift = ( anchor_drift + + ( edge2->pos - edge2->opos ) ) >> 1; } } } @@ -1992,8 +1995,8 @@ edge2->flags |= AF_EDGE_DONE; - anchor_drift = ( (anchor->pos - anchor->opos) + - (edge2->pos - edge2->opos)) >> 1; + anchor_drift = ( ( anchor->pos - anchor->opos ) + + ( edge2->pos - edge2->opos ) ) >> 1; FT_TRACE5(( "DRIFT: %.2f\n", anchor_drift/64.0 )); } @@ -2012,8 +2015,8 @@ (AF_Edge_Flags)edge->flags, (AF_Edge_Flags)edge2->flags ); - org_left = org_pos + ((org_len - cur_len) >> 1); - org_right = org_pos + ((org_len + cur_len) >> 1); + org_left = org_pos + ( ( org_len - cur_len ) >> 1 ); + org_right = org_pos + ( ( org_len + cur_len ) >> 1 ); FT_TRACE5(( "ALIGN: left=%.2f right=%.2f ", org_left / 64.0, org_right / 64.0 )); @@ -2041,13 +2044,13 @@ } /* if the span is within a single pixel, don't touch it */ - if ( FT_PIX_FLOOR(org_left) == FT_PIX_CEIL(org_right) ) + if ( FT_PIX_FLOOR( org_left ) == FT_PIX_CEIL( org_right ) ) { FT_TRACE5(( "single pixel stem\n" )); goto AlignStem; } - if (cur_len <= 96) + if ( cur_len <= 96 ) { /* we want to avoid the absolute worst case which is * when the left and right edges of the span each represent @@ -2055,43 +2058,43 @@ * to 25/75%, since this is much more pleasant to the eye with * very acceptable distortion */ - FT_Pos frac_left = (org_left) & 63; - FT_Pos frac_right = (org_right) & 63; + FT_Pos frac_left = org_left & 63; + FT_Pos frac_right = org_right & 63; if ( frac_left >= 22 && frac_left <= 42 && frac_right >= 22 && frac_right <= 42 ) { org = frac_left; - fit = (org <= 32) ? 16 : 48; - delta = FT_ABS(fit - org); + fit = ( org <= 32 ) ? 16 : 48; + delta = FT_ABS( fit - org ); displacements[count] = fit - org; scores[count++] = delta; - FT_TRACE5(( "dispA=%.2f (%d) ", (fit - org) / 64.0, delta )); + FT_TRACE5(( "dispA=%.2f (%d) ", ( fit - org ) / 64.0, delta )); org = frac_right; - fit = (org <= 32) ? 16 : 48; - delta = FT_ABS(fit - org); + fit = ( org <= 32 ) ? 16 : 48; + delta = FT_ABS( fit - org ); displacements[count] = fit - org; scores[count++] = delta; - FT_TRACE5(( "dispB=%.2f (%d) ", (fit - org) / 64.0, delta )); + FT_TRACE5(( "dispB=%.2f (%d) ", ( fit - org ) / 64.0, delta )); } } /* snapping the left edge to the grid */ org = org_left; - fit = FT_PIX_ROUND(org); - delta = FT_ABS(fit - org); + fit = FT_PIX_ROUND( org ); + delta = FT_ABS( fit - org ); displacements[count] = fit - org; scores[count++] = delta; - FT_TRACE5(( "dispC=%.2f (%d) ", (fit - org) / 64.0, delta )); + FT_TRACE5(( "dispC=%.2f (%d) ", ( fit - org ) / 64.0, delta )); /* snapping the right edge to the grid */ org = org_right; - fit = FT_PIX_ROUND(org); - delta = FT_ABS(fit - org); + fit = FT_PIX_ROUND( org ); + delta = FT_ABS( fit - org ); displacements[count] = fit - org; scores[count++] = delta; - FT_TRACE5(( "dispD=%.2f (%d) ", (fit - org) / 64.0, delta )); + FT_TRACE5(( "dispD=%.2f (%d) ", ( fit - org ) / 64.0, delta )); /* now find the best displacement */ { @@ -2099,9 +2102,9 @@ FT_Pos best_disp = displacements[0]; FT_UInt nn; - for (nn = 1; nn < count; nn++) + for ( nn = 1; nn < count; nn++ ) { - if (scores[nn] < best_score) + if ( scores[nn] < best_score ) { best_score = scores[nn]; best_disp = displacements[nn]; @@ -2114,7 +2117,7 @@ } AlignStem: - edge->pos = cur_center - (cur_len >> 1); + edge->pos = cur_center - ( cur_len >> 1 ); edge2->pos = edge->pos + cur_len; FT_TRACE5(( "STEM1: %d (opos=%.2f) to %d (opos=%.2f)" |