diff --git a/src/sfnt/ttcolr.c b/src/sfnt/ttcolr.c index d548cf4cb..bb2ffd576 100644 --- a/src/sfnt/ttcolr.c +++ b/src/sfnt/ttcolr.c @@ -65,17 +65,21 @@ typedef enum FT_PaintFormat_Internal_ { - FT_COLR_PAINTFORMAT_INTERNAL_VAR_SOLID = 3, - FT_COLR_PAINTFORMAT_INTERNAL_VAR_LINEAR_GRADIENT = 5, - FT_COLR_PAINTFORMAT_INTERNAL_VAR_RADIAL_GRADIENT = 7, - FT_COLR_PAINTFORMAT_INTERNAL_VAR_SWEEP_GRADIENT = 9, - FT_COLR_PAINTFORMAT_INTERNAL_VAR_TRANSFORM = 13, - FT_COLR_PAINTFORMAT_INTERNAL_VAR_TRANSLATE = 15, - FT_COLR_PAINTFORMAT_INTERNAL_SCALE_CENTER = 18, - FT_COLR_PAINTFORMAT_INTERNAL_SCALE_UNIFORM = 20, - FT_COLR_PAINTFORMAT_INTERNAL_SCALE_UNIFORM_CENTER = 22, - FT_COLR_PAINTFORMAT_INTERNAL_ROTATE_CENTER = 26, - FT_COLR_PAINTFORMAT_INTERNAL_SKEW_CENTER = 30 + FT_COLR_PAINTFORMAT_INTERNAL_VAR_SOLID = 3, + FT_COLR_PAINTFORMAT_INTERNAL_VAR_LINEAR_GRADIENT = 5, + FT_COLR_PAINTFORMAT_INTERNAL_VAR_RADIAL_GRADIENT = 7, + FT_COLR_PAINTFORMAT_INTERNAL_VAR_SWEEP_GRADIENT = 9, + FT_COLR_PAINTFORMAT_INTERNAL_VAR_TRANSFORM = 13, + FT_COLR_PAINTFORMAT_INTERNAL_VAR_TRANSLATE = 15, + FT_COLR_PAINTFORMAT_INTERNAL_VAR_SCALE = 17, + FT_COLR_PAINTFORMAT_INTERNAL_SCALE_CENTER = 18, + FT_COLR_PAINTFORMAT_INTERNAL_VAR_SCALE_CENTER = 19, + FT_COLR_PAINTFORMAT_INTERNAL_SCALE_UNIFORM = 20, + FT_COLR_PAINTFORMAT_INTERNAL_VAR_SCALE_UNIFORM = 21, + FT_COLR_PAINTFORMAT_INTERNAL_SCALE_UNIFORM_CENTER = 22, + FT_COLR_PAINTFORMAT_INTERNAL_VAR_SCALE_UNIFORM_CENTER = 23, + FT_COLR_PAINTFORMAT_INTERNAL_ROTATE_CENTER = 26, + FT_COLR_PAINTFORMAT_INTERNAL_SKEW_CENTER = 30 } FT_PaintFormat_Internal; @@ -932,14 +936,9 @@ return 1; } - else if ( apaint->format == - FT_COLR_PAINTFORMAT_SCALE || - (FT_PaintFormat_Internal)apaint->format == - FT_COLR_PAINTFORMAT_INTERNAL_SCALE_CENTER || - (FT_PaintFormat_Internal)apaint->format == - FT_COLR_PAINTFORMAT_INTERNAL_SCALE_UNIFORM || - (FT_PaintFormat_Internal)apaint->format == - FT_COLR_PAINTFORMAT_INTERNAL_SCALE_UNIFORM_CENTER ) + else if ( apaint->format >= FT_COLR_PAINTFORMAT_SCALE && + (FT_PaintFormat_Internal)apaint->format <= + FT_COLR_PAINTFORMAT_INTERNAL_VAR_SCALE_UNIFORM_CENTER ) { apaint->u.scale.paint.p = child_table_p; apaint->u.scale.paint.insert_root_transform = 0; @@ -948,10 +947,13 @@ apaint->u.scale.scale_x = F2DOT14_TO_FIXED( FT_NEXT_SHORT( p ) ); /* Non-uniform ones read an extra y value. */ - if ( apaint->format == - FT_COLR_PAINTFORMAT_SCALE || + if ( apaint->format == FT_COLR_PAINTFORMAT_SCALE || (FT_PaintFormat_Internal)apaint->format == - FT_COLR_PAINTFORMAT_INTERNAL_SCALE_CENTER ) + FT_COLR_PAINTFORMAT_INTERNAL_VAR_SCALE || + (FT_PaintFormat_Internal)apaint->format == + FT_COLR_PAINTFORMAT_INTERNAL_SCALE_CENTER || + (FT_PaintFormat_Internal)apaint->format == + FT_COLR_PAINTFORMAT_INTERNAL_VAR_SCALE_CENTER ) apaint->u.scale.scale_y = F2DOT14_TO_FIXED( FT_NEXT_SHORT( p ) ); else apaint->u.scale.scale_y = apaint->u.scale.scale_x; @@ -959,9 +961,13 @@ /* Scale paints that have a center read center coordinates, */ /* otherwise the center is (0,0). */ if ( (FT_PaintFormat_Internal)apaint->format == - FT_COLR_PAINTFORMAT_INTERNAL_SCALE_CENTER || + FT_COLR_PAINTFORMAT_INTERNAL_SCALE_CENTER || (FT_PaintFormat_Internal)apaint->format == - FT_COLR_PAINTFORMAT_INTERNAL_SCALE_UNIFORM_CENTER ) + FT_COLR_PAINTFORMAT_INTERNAL_VAR_SCALE_CENTER || + (FT_PaintFormat_Internal)apaint->format == + FT_COLR_PAINTFORMAT_INTERNAL_SCALE_UNIFORM_CENTER || + (FT_PaintFormat_Internal)apaint->format == + FT_COLR_PAINTFORMAT_INTERNAL_VAR_SCALE_UNIFORM_CENTER ) { apaint->u.scale.center_x = INT_TO_FIXED( FT_NEXT_SHORT ( p ) ); apaint->u.scale.center_y = INT_TO_FIXED( FT_NEXT_SHORT ( p ) ); @@ -972,6 +978,71 @@ apaint->u.scale.center_y = 0; } + /* Base values set, now handle variations. */ + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + if ( ( (FT_PaintFormat_Internal)apaint->format == + FT_COLR_PAINTFORMAT_INTERNAL_VAR_SCALE || + (FT_PaintFormat_Internal)apaint->format == + FT_COLR_PAINTFORMAT_INTERNAL_VAR_SCALE_CENTER || + (FT_PaintFormat_Internal)apaint->format == + FT_COLR_PAINTFORMAT_INTERNAL_VAR_SCALE_UNIFORM || + (FT_PaintFormat_Internal)apaint->format == + FT_COLR_PAINTFORMAT_INTERNAL_VAR_SCALE_UNIFORM_CENTER ) && + VARIABLE_COLRV1_ENABLED ) + { + var_index_base = FT_NEXT_ULONG( p ); + + if ( (FT_PaintFormat_Internal)apaint->format == + FT_COLR_PAINTFORMAT_INTERNAL_VAR_SCALE ) + { + if ( !get_deltas_for_var_index_base( face, colr, var_index_base, 2, + item_deltas ) ) + return 0; + + apaint->u.scale.scale_x += F2DOT14_TO_FIXED( item_deltas[0] ); + apaint->u.scale.scale_y += F2DOT14_TO_FIXED( item_deltas[1] ); + } + + if ( (FT_PaintFormat_Internal)apaint->format == + FT_COLR_PAINTFORMAT_INTERNAL_VAR_SCALE_CENTER ) + { + if ( !get_deltas_for_var_index_base( face, colr, var_index_base, 4, + item_deltas ) ) + return 0; + + apaint->u.scale.scale_x += F2DOT14_TO_FIXED( item_deltas[0] ); + apaint->u.scale.scale_y += F2DOT14_TO_FIXED( item_deltas[1] ); + apaint->u.scale.center_x += INT_TO_FIXED( item_deltas[2] ); + apaint->u.scale.center_y += INT_TO_FIXED( item_deltas[3] ); + } + + if ( (FT_PaintFormat_Internal)apaint->format == + FT_COLR_PAINTFORMAT_INTERNAL_VAR_SCALE_UNIFORM ) + { + if ( !get_deltas_for_var_index_base( face, colr, var_index_base, 1, + item_deltas ) ) + return 0; + + apaint->u.scale.scale_x += F2DOT14_TO_FIXED( item_deltas[0] ); + apaint->u.scale.scale_y += F2DOT14_TO_FIXED( item_deltas[0] ); + } + + if ( (FT_PaintFormat_Internal)apaint->format == + FT_COLR_PAINTFORMAT_INTERNAL_VAR_SCALE_UNIFORM_CENTER ) + { + if ( !get_deltas_for_var_index_base( face, colr, var_index_base, 3, + item_deltas ) ) + return 0; + + apaint->u.scale.scale_x += F2DOT14_TO_FIXED( item_deltas[0] ); + apaint->u.scale.scale_y += F2DOT14_TO_FIXED( item_deltas[0] ); + apaint->u.scale.center_x += INT_TO_FIXED( item_deltas[1] ); + apaint->u.scale.center_y += INT_TO_FIXED( item_deltas[2] ); + } + } +#endif + /* FT 'COLR' v1 API output format always returns fully defined */ /* structs; we thus set the format to the public API value. */ apaint->format = FT_COLR_PAINTFORMAT_SCALE;