diff options
Diffstat (limited to 'src/harfbuzz-gpos.c')
| -rwxr-xr-x | src/harfbuzz-gpos.c | 190 |
1 files changed, 113 insertions, 77 deletions
diff --git a/src/harfbuzz-gpos.c b/src/harfbuzz-gpos.c index 356dc01..a216005 100755 --- a/src/harfbuzz-gpos.c +++ b/src/harfbuzz-gpos.c @@ -57,6 +57,7 @@ static HB_Error GPOS_Do_Glyph_Lookup( GPOS_Instance* gpi, +#ifdef HB_SUPPORT_MULTIPLE_MASTER /* the client application must replace this with something more meaningful if multiple master fonts are to be supported. */ @@ -71,6 +72,7 @@ static HB_Error default_mmfunc( HB_Font font, HB_UNUSED(data); return ERR(HB_Err_Not_Covered); /* ERR() call intended */ } +#endif @@ -97,7 +99,9 @@ HB_Error HB_Load_GPOS_Table( HB_Stream stream, if ( ALLOC ( gpos, sizeof( *gpos ) ) ) return error; +#ifdef HB_SUPPORT_MULTIPLE_MASTER gpos->mmfunc = default_mmfunc; +#endif /* skip version */ @@ -252,10 +256,24 @@ static HB_Error Load_ValueRecord( HB_ValueRecord* vr, else vr->YAdvance = 0; + if ( format & HB_GPOS_FORMAT_HAVE_DEVICE_TABLES ) + { + if ( ALLOC_ARRAY( vr->DeviceTables, 4, HB_Device ) ) + return error; + vr->DeviceTables[VR_X_ADVANCE_DEVICE] = 0; + vr->DeviceTables[VR_Y_ADVANCE_DEVICE] = 0; + vr->DeviceTables[VR_X_PLACEMENT_DEVICE] = 0; + vr->DeviceTables[VR_Y_PLACEMENT_DEVICE] = 0; + } + else + { + vr->DeviceTables = 0; + } + if ( format & HB_GPOS_FORMAT_HAVE_X_PLACEMENT_DEVICE ) { if ( ACCESS_Frame( 2L ) ) - return error; + goto Fail4; new_offset = GET_UShort(); @@ -267,20 +285,11 @@ static HB_Error Load_ValueRecord( HB_ValueRecord* vr, cur_offset = FILE_Pos(); if ( FILE_Seek( new_offset ) || - ( error = _HB_OPEN_Load_Device( &vr->XPlacementDevice, + ( error = _HB_OPEN_Load_Device( &vr->DeviceTables[VR_X_PLACEMENT_DEVICE], stream ) ) != HB_Err_Ok ) - return error; + goto Fail4; (void)FILE_Seek( cur_offset ); } - else - goto empty1; - } - else - { - empty1: - vr->XPlacementDevice.StartSize = 0; - vr->XPlacementDevice.EndSize = 0; - vr->XPlacementDevice.DeltaValue = NULL; } if ( format & HB_GPOS_FORMAT_HAVE_Y_PLACEMENT_DEVICE ) @@ -298,20 +307,11 @@ static HB_Error Load_ValueRecord( HB_ValueRecord* vr, cur_offset = FILE_Pos(); if ( FILE_Seek( new_offset ) || - ( error = _HB_OPEN_Load_Device( &vr->YPlacementDevice, + ( error = _HB_OPEN_Load_Device( &vr->DeviceTables[VR_Y_PLACEMENT_DEVICE], stream ) ) != HB_Err_Ok ) goto Fail3; (void)FILE_Seek( cur_offset ); } - else - goto empty2; - } - else - { - empty2: - vr->YPlacementDevice.StartSize = 0; - vr->YPlacementDevice.EndSize = 0; - vr->YPlacementDevice.DeltaValue = NULL; } if ( format & HB_GPOS_FORMAT_HAVE_X_ADVANCE_DEVICE ) @@ -329,20 +329,11 @@ static HB_Error Load_ValueRecord( HB_ValueRecord* vr, cur_offset = FILE_Pos(); if ( FILE_Seek( new_offset ) || - ( error = _HB_OPEN_Load_Device( &vr->XAdvanceDevice, + ( error = _HB_OPEN_Load_Device( &vr->DeviceTables[VR_X_ADVANCE_DEVICE], stream ) ) != HB_Err_Ok ) goto Fail2; (void)FILE_Seek( cur_offset ); } - else - goto empty3; - } - else - { - empty3: - vr->XAdvanceDevice.StartSize = 0; - vr->XAdvanceDevice.EndSize = 0; - vr->XAdvanceDevice.DeltaValue = NULL; } if ( format & HB_GPOS_FORMAT_HAVE_Y_ADVANCE_DEVICE ) @@ -360,20 +351,11 @@ static HB_Error Load_ValueRecord( HB_ValueRecord* vr, cur_offset = FILE_Pos(); if ( FILE_Seek( new_offset ) || - ( error = _HB_OPEN_Load_Device( &vr->YAdvanceDevice, + ( error = _HB_OPEN_Load_Device( &vr->DeviceTables[VR_Y_ADVANCE_DEVICE], stream ) ) != HB_Err_Ok ) goto Fail1; (void)FILE_Seek( cur_offset ); } - else - goto empty4; - } - else - { - empty4: - vr->YAdvanceDevice.StartSize = 0; - vr->YAdvanceDevice.EndSize = 0; - vr->YAdvanceDevice.DeltaValue = NULL; } if ( format & HB_GPOS_FORMAT_HAVE_X_ID_PLACEMENT ) @@ -381,59 +363,89 @@ static HB_Error Load_ValueRecord( HB_ValueRecord* vr, if ( ACCESS_Frame( 2L ) ) goto Fail1; +#ifdef HB_SUPPORT_MULTIPLE_MASTER vr->XIdPlacement = GET_UShort(); +#else + (void) GET_UShort(); +#endif FORGET_Frame(); } +#ifdef HB_SUPPORT_MULTIPLE_MASTER else vr->XIdPlacement = 0; +#endif if ( format & HB_GPOS_FORMAT_HAVE_Y_ID_PLACEMENT ) { if ( ACCESS_Frame( 2L ) ) goto Fail1; +#ifdef HB_SUPPORT_MULTIPLE_MASTER vr->YIdPlacement = GET_UShort(); +#else + (void) GET_UShort(); +#endif FORGET_Frame(); } +#ifdef HB_SUPPORT_MULTIPLE_MASTER else vr->YIdPlacement = 0; +#endif if ( format & HB_GPOS_FORMAT_HAVE_X_ID_ADVANCE ) { if ( ACCESS_Frame( 2L ) ) goto Fail1; +#ifdef HB_SUPPORT_MULTIPLE_MASTER vr->XIdAdvance = GET_UShort(); +#else + (void) GET_UShort(); +#endif FORGET_Frame(); } +#ifdef HB_SUPPORT_MULTIPLE_MASTER else vr->XIdAdvance = 0; +#endif if ( format & HB_GPOS_FORMAT_HAVE_Y_ID_ADVANCE ) { if ( ACCESS_Frame( 2L ) ) goto Fail1; +#ifdef HB_SUPPORT_MULTIPLE_MASTER vr->YIdAdvance = GET_UShort(); +#else + (void) GET_UShort(); +#endif FORGET_Frame(); } +#ifdef HB_SUPPORT_MULTIPLE_MASTER else vr->YIdAdvance = 0; +#endif return HB_Err_Ok; Fail1: - _HB_OPEN_Free_Device( &vr->YAdvanceDevice ); + if ( vr->DeviceTables ) + _HB_OPEN_Free_Device( vr->DeviceTables[VR_Y_ADVANCE_DEVICE] ); Fail2: - _HB_OPEN_Free_Device( &vr->XAdvanceDevice ); + if ( vr->DeviceTables ) + _HB_OPEN_Free_Device( vr->DeviceTables[VR_X_ADVANCE_DEVICE] ); Fail3: - _HB_OPEN_Free_Device( &vr->YPlacementDevice ); + if ( vr->DeviceTables ) + _HB_OPEN_Free_Device( vr->DeviceTables[VR_Y_PLACEMENT_DEVICE] ); + +Fail4: + FREE( vr->DeviceTables ); return error; } @@ -442,13 +454,14 @@ static void Free_ValueRecord( HB_ValueRecord* vr, HB_UShort format ) { if ( format & HB_GPOS_FORMAT_HAVE_Y_ADVANCE_DEVICE ) - _HB_OPEN_Free_Device( &vr->YAdvanceDevice ); + _HB_OPEN_Free_Device( vr->DeviceTables[VR_Y_ADVANCE_DEVICE] ); if ( format & HB_GPOS_FORMAT_HAVE_X_ADVANCE_DEVICE ) - _HB_OPEN_Free_Device( &vr->XAdvanceDevice ); + _HB_OPEN_Free_Device( vr->DeviceTables[VR_X_ADVANCE_DEVICE] ); if ( format & HB_GPOS_FORMAT_HAVE_Y_PLACEMENT_DEVICE ) - _HB_OPEN_Free_Device( &vr->YPlacementDevice ); + _HB_OPEN_Free_Device( vr->DeviceTables[VR_Y_PLACEMENT_DEVICE] ); if ( format & HB_GPOS_FORMAT_HAVE_X_PLACEMENT_DEVICE ) - _HB_OPEN_Free_Device( &vr->XPlacementDevice ); + _HB_OPEN_Free_Device( vr->DeviceTables[VR_X_PLACEMENT_DEVICE] ); + FREE( vr->DeviceTables ); } @@ -457,10 +470,12 @@ static HB_Error Get_ValueRecord( GPOS_Instance* gpi, HB_UShort format, HB_Position gd ) { - HB_Fixed value; HB_Short pixel_value; HB_Error error = HB_Err_Ok; +#ifdef HB_SUPPORT_MULTIPLE_MASTER HB_GPOSHeader* gpos = gpi->gpos; + HB_Fixed value; +#endif HB_UShort x_ppem, y_ppem; HB_16Dot16 x_scale, y_scale; @@ -491,26 +506,27 @@ static HB_Error Get_ValueRecord( GPOS_Instance* gpi, if ( format & HB_GPOS_FORMAT_HAVE_X_PLACEMENT_DEVICE ) { - _HB_OPEN_Get_Device( &vr->XPlacementDevice, x_ppem, &pixel_value ); + _HB_OPEN_Get_Device( vr->DeviceTables[VR_X_PLACEMENT_DEVICE], x_ppem, &pixel_value ); gd->x_pos += pixel_value << 6; } if ( format & HB_GPOS_FORMAT_HAVE_Y_PLACEMENT_DEVICE ) { - _HB_OPEN_Get_Device( &vr->YPlacementDevice, y_ppem, &pixel_value ); + _HB_OPEN_Get_Device( vr->DeviceTables[VR_Y_PLACEMENT_DEVICE], y_ppem, &pixel_value ); gd->y_pos += pixel_value << 6; } if ( format & HB_GPOS_FORMAT_HAVE_X_ADVANCE_DEVICE ) { - _HB_OPEN_Get_Device( &vr->XAdvanceDevice, x_ppem, &pixel_value ); + _HB_OPEN_Get_Device( vr->DeviceTables[VR_X_ADVANCE_DEVICE], x_ppem, &pixel_value ); gd->x_advance += pixel_value << 6; } if ( format & HB_GPOS_FORMAT_HAVE_Y_ADVANCE_DEVICE ) { - _HB_OPEN_Get_Device( &vr->YAdvanceDevice, y_ppem, &pixel_value ); + _HB_OPEN_Get_Device( vr->DeviceTables[VR_Y_ADVANCE_DEVICE], y_ppem, &pixel_value ); gd->y_advance += pixel_value << 6; } } +#ifdef HB_SUPPORT_MULTIPLE_MASTER /* values returned from mmfunc() are already in fractional pixels */ if ( format & HB_GPOS_FORMAT_HAVE_X_ID_PLACEMENT ) @@ -545,6 +561,7 @@ static HB_Error Get_ValueRecord( GPOS_Instance* gpi, return error; gd->y_advance += value; } +#endif return error; } @@ -608,21 +625,21 @@ static HB_Error Load_Anchor( HB_Anchor* an, if ( new_offset ) { + if ( ALLOC_ARRAY( an->af.af3.DeviceTables, 2, HB_Device ) ) + return error; + + an->af.af3.DeviceTables[AF3_X_DEVICE_TABLE] = 0; + an->af.af3.DeviceTables[AF3_Y_DEVICE_TABLE] = 0; + new_offset += base_offset; cur_offset = FILE_Pos(); if ( FILE_Seek( new_offset ) || - ( error = _HB_OPEN_Load_Device( &an->af.af3.XDeviceTable, + ( error = _HB_OPEN_Load_Device( &an->af.af3.DeviceTables[AF3_X_DEVICE_TABLE], stream ) ) != HB_Err_Ok ) - return error; + goto Fail2; (void)FILE_Seek( cur_offset ); } - else - { - an->af.af3.XDeviceTable.StartSize = 0; - an->af.af3.XDeviceTable.EndSize = 0; - an->af.af3.XDeviceTable.DeltaValue = NULL; - } if ( ACCESS_Frame( 2L ) ) goto Fail; @@ -633,29 +650,37 @@ static HB_Error Load_Anchor( HB_Anchor* an, if ( new_offset ) { + if ( !an->af.af3.DeviceTables ) + { + if ( ALLOC_ARRAY( an->af.af3.DeviceTables, 2, HB_Device ) ) + return error; + + an->af.af3.DeviceTables[AF3_X_DEVICE_TABLE] = 0; + an->af.af3.DeviceTables[AF3_Y_DEVICE_TABLE] = 0; + } + new_offset += base_offset; cur_offset = FILE_Pos(); if ( FILE_Seek( new_offset ) || - ( error = _HB_OPEN_Load_Device( &an->af.af3.YDeviceTable, + ( error = _HB_OPEN_Load_Device( &an->af.af3.DeviceTables[AF3_Y_DEVICE_TABLE], stream ) ) != HB_Err_Ok ) goto Fail; (void)FILE_Seek( cur_offset ); } - else - { - an->af.af3.YDeviceTable.StartSize = 0; - an->af.af3.YDeviceTable.EndSize = 0; - an->af.af3.YDeviceTable.DeltaValue = NULL; - } break; case 4: if ( ACCESS_Frame( 4L ) ) return error; +#ifdef HB_SUPPORT_MULTIPLE_MASTER an->af.af4.XIdAnchor = GET_UShort(); an->af.af4.YIdAnchor = GET_UShort(); +#else + (void) GET_UShort(); + (void) GET_UShort(); +#endif FORGET_Frame(); break; @@ -667,17 +692,22 @@ static HB_Error Load_Anchor( HB_Anchor* an, return HB_Err_Ok; Fail: - _HB_OPEN_Free_Device( &an->af.af3.XDeviceTable ); + if ( an->af.af3.DeviceTables ) + _HB_OPEN_Free_Device( an->af.af3.DeviceTables[AF3_X_DEVICE_TABLE] ); + +Fail2: + FREE( an->af.af3.DeviceTables ); return error; } static void Free_Anchor( HB_Anchor* an) { - if ( an->PosFormat == 3 ) + if ( an->PosFormat == 3 && an->af.af3.DeviceTables ) { - _HB_OPEN_Free_Device( &an->af.af3.YDeviceTable ); - _HB_OPEN_Free_Device( &an->af.af3.XDeviceTable ); + _HB_OPEN_Free_Device( an->af.af3.DeviceTables[AF3_X_DEVICE_TABLE] ); + _HB_OPEN_Free_Device( an->af.af3.DeviceTables[AF3_Y_DEVICE_TABLE] ); + FREE( an->af.af3.DeviceTables ); } } @@ -690,7 +720,9 @@ static HB_Error Get_Anchor( GPOS_Instance* gpi, { HB_Error error = HB_Err_Ok; +#ifdef HB_SUPPORT_MULTIPLE_MASTER HB_GPOSHeader* gpos = gpi->gpos; +#endif HB_UShort ap; HB_Short pixel_value; @@ -743,9 +775,9 @@ static HB_Error Get_Anchor( GPOS_Instance* gpi, case 3: if ( !gpi->dvi ) { - _HB_OPEN_Get_Device( &an->af.af3.XDeviceTable, x_ppem, &pixel_value ); + _HB_OPEN_Get_Device( an->af.af3.DeviceTables[AF3_X_DEVICE_TABLE], x_ppem, &pixel_value ); *x_value = pixel_value << 6; - _HB_OPEN_Get_Device( &an->af.af3.YDeviceTable, y_ppem, &pixel_value ); + _HB_OPEN_Get_Device( an->af.af3.DeviceTables[AF3_Y_DEVICE_TABLE], y_ppem, &pixel_value ); *y_value = pixel_value << 6; } else @@ -756,6 +788,7 @@ static HB_Error Get_Anchor( GPOS_Instance* gpi, break; case 4: +#ifdef HB_SUPPORT_MULTIPLE_MASTER error = (gpos->mmfunc)( gpi->font, an->af.af4.XIdAnchor, x_value, gpos->data ); if ( error ) @@ -766,6 +799,9 @@ static HB_Error Get_Anchor( GPOS_Instance* gpi, if ( error ) return error; break; +#else + return ERR(HB_Err_Not_Covered); +#endif } return error; @@ -5966,8 +6002,7 @@ HB_Error HB_GPOS_Clear_Features( HB_GPOSHeader* gpos ) return HB_Err_Ok; } - - +#ifdef HB_SUPPORT_MULTIPLE_MASTER HB_Error HB_GPOS_Register_MM_Function( HB_GPOSHeader* gpos, HB_MMFunction mmfunc, void* data ) @@ -5980,6 +6015,7 @@ HB_Error HB_GPOS_Register_MM_Function( HB_GPOSHeader* gpos, return HB_Err_Ok; } +#endif /* If `dvi' is TRUE, glyph contour points for anchor points and device tables are ignored -- you will get device independent values. */ |