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@ -170,96 +170,21 @@ |
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} |
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/*************************************************************************/ |
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/* */ |
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/* <Function> */ |
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/* TT_Load_Small_SBit_Metrics */ |
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/* */ |
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/* <Description> */ |
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/* Loads a small bitmap metrics record. */ |
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/* */ |
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/* <Input> */ |
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/* stream :: The input stream. */ |
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/* */ |
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/* <Output> */ |
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/* metrics :: A small metrics structure. */ |
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/* */ |
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static |
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void TT_Load_Small_SBit_Metrics( TT_SBit_Small_Metrics* metrics, |
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FT_Stream stream ) |
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{ |
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metrics->height = GET_Byte(); |
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metrics->width = GET_Byte(); |
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metrics->bearingX = GET_Char(); |
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metrics->bearingY = GET_Char(); |
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metrics->advance = GET_Byte(); |
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} |
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/*************************************************************************/ |
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/* */ |
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/* <Function> */ |
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/* TT_Load_SBit_Metrics */ |
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/* */ |
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/* <Description> */ |
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/* Loads a bitmap metrics record. */ |
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/* */ |
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/* <Input> */ |
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/* stream :: The input stream. */ |
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/* */ |
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/* <Output> */ |
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/* metrics :: A metrics structure. */ |
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/* */ |
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static |
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void TT_Load_SBit_Metrics( TT_SBit_Metrics* metrics, |
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FT_Stream stream ) |
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const FT_Frame_Field sbit_metrics_fields[] = |
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{ |
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metrics->height = GET_Byte(); |
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metrics->width = GET_Byte(); |
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FT_FRAME_START( 8 ), |
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FT_FRAME_BYTE( TT_SBit_Metrics, height ), |
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FT_FRAME_BYTE( TT_SBit_Metrics, width ), |
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metrics->horiBearingX = GET_Char(); |
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metrics->horiBearingY = GET_Char(); |
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metrics->horiAdvance = GET_Byte(); |
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FT_FRAME_CHAR( TT_SBit_Metrics, horiBearingX ), |
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FT_FRAME_CHAR( TT_SBit_Metrics, horiBearingY ), |
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FT_FRAME_BYTE( TT_SBit_Metrics, horiAdvance ), |
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metrics->vertBearingX = GET_Char(); |
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metrics->vertBearingY = GET_Char(); |
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metrics->vertAdvance = GET_Byte(); |
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} |
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/*************************************************************************/ |
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/* */ |
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/* <Function> */ |
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/* TT_Load_SBit_Line_Metrics */ |
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/* */ |
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/* <Description> */ |
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/* Loads a bitmap line metrics record. */ |
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/* */ |
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/* <Input> */ |
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/* stream :: The input stream. */ |
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/* */ |
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/* <Output> */ |
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/* metrics :: A line metrics structure. */ |
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/* */ |
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static |
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void TT_Load_SBit_Line_Metrics( TT_SBit_Line_Metrics* metrics, |
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FT_Stream stream ) |
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{ |
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metrics->ascender = GET_Char(); |
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metrics->descender = GET_Char(); |
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metrics->max_width = GET_Byte(); |
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metrics->caret_slope_numerator = GET_Char(); |
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metrics->caret_slope_denominator = GET_Char(); |
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metrics->caret_offset = GET_Char(); |
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metrics->min_origin_SB = GET_Char(); |
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metrics->min_advance_SB = GET_Char(); |
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metrics->max_before_BL = GET_Char(); |
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metrics->min_after_BL = GET_Char(); |
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metrics->pads[0] = GET_Char(); |
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metrics->pads[1] = GET_Char(); |
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} |
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FT_FRAME_CHAR( TT_SBit_Metrics, vertBearingX ), |
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FT_FRAME_CHAR( TT_SBit_Metrics, vertBearingY ), |
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FT_FRAME_BYTE( TT_SBit_Metrics, vertAdvance ), |
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FT_FRAME_END |
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}; |
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/*************************************************************************/ |
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@ -285,15 +210,10 @@ |
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TT_Error error; |
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if ( !ACCESS_Frame( 12L ) ) |
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{ |
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range->image_size = GET_ULong(); |
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TT_Load_SBit_Metrics( &range->metrics, stream ); |
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FORGET_Frame(); |
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} |
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if ( READ_ULong( range->image_size ) ) |
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return error; |
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return error; |
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return READ_Fields( sbit_metrics_fields, &range->metrics ); |
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} |
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@ -400,7 +320,7 @@ |
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range->num_glyphs = num_glyphs; |
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num_glyphs++; /* XXX: BEWARE - see spec */ |
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size_elem = large ? 4 : 2; |
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size_elem = large ? 4 : 2; |
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if ( ALLOC_ARRAY( range->glyph_offsets, |
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num_glyphs, TT_ULong ) || |
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@ -409,7 +329,8 @@ |
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for ( n = 0; n < num_glyphs; n++ ) |
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range->glyph_offsets[n] = (TT_ULong)( range->image_offset + |
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large ? GET_ULong() : GET_UShort() ); |
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( large ? GET_ULong() |
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: GET_UShort() ) ); |
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FORGET_Frame(); |
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} |
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break; |
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@ -462,6 +383,26 @@ |
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TT_ULong num_strikes; |
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TT_ULong table_base; |
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const FT_Frame_Field sbit_line_metrics_fields[] = |
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{ |
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/* no FT_FRAME_START */ |
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FT_FRAME_CHAR( TT_SBit_Line_Metrics, ascender ), |
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FT_FRAME_CHAR( TT_SBit_Line_Metrics, descender ), |
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FT_FRAME_BYTE( TT_SBit_Line_Metrics, max_width ), |
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FT_FRAME_CHAR( TT_SBit_Line_Metrics, caret_slope_numerator ), |
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FT_FRAME_CHAR( TT_SBit_Line_Metrics, caret_slope_denominator ), |
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FT_FRAME_CHAR( TT_SBit_Line_Metrics, caret_offset ), |
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FT_FRAME_CHAR( TT_SBit_Line_Metrics, min_origin_SB ), |
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FT_FRAME_CHAR( TT_SBit_Line_Metrics, min_advance_SB ), |
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FT_FRAME_CHAR( TT_SBit_Line_Metrics, max_before_BL ), |
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FT_FRAME_CHAR( TT_SBit_Line_Metrics, min_after_BL ), |
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FT_FRAME_CHAR( TT_SBit_Line_Metrics, pads[0] ), |
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FT_FRAME_CHAR( TT_SBit_Line_Metrics, pads[1] ), |
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FT_FRAME_END |
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}; |
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face->num_sbit_strikes = 0; |
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@ -483,8 +424,8 @@ |
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FORGET_Frame(); |
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/* check version number and strike count */ |
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if ( version != 0x00020000 || |
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num_strikes >= 0x10000 ) |
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if ( version != 0x00020000L || |
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num_strikes >= 0x10000L ) |
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{ |
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FT_ERROR(( "TT_Load_SBit_Strikes: invalid table version!\n" )); |
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error = TT_Err_Invalid_File_Format; |
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@ -512,21 +453,21 @@ |
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TT_ULong indexTablesSize; |
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strike->ranges_offset = GET_ULong(); |
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indexTablesSize = GET_ULong(); /* don't save */ |
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strike->ranges_offset = GET_ULong(); |
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indexTablesSize = GET_ULong(); /* don't save */ |
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strike->num_ranges = GET_ULong(); |
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strike->color_ref = GET_ULong(); |
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strike->num_ranges = GET_ULong(); |
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strike->color_ref = GET_ULong(); |
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TT_Load_SBit_Line_Metrics( &strike->hori, stream ); |
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TT_Load_SBit_Line_Metrics( &strike->vert, stream ); |
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(void)READ_Fields( sbit_line_metrics_fields, &strike->hori ); |
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(void)READ_Fields( sbit_line_metrics_fields, &strike->vert ); |
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strike->start_glyph = GET_UShort(); |
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strike->end_glyph = GET_UShort(); |
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strike->x_ppem = GET_Byte(); |
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strike->y_ppem = GET_Byte(); |
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strike->bit_depth = GET_Byte(); |
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strike->flags = GET_Char(); |
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strike->start_glyph = GET_UShort(); |
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strike->end_glyph = GET_UShort(); |
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strike->x_ppem = GET_Byte(); |
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strike->y_ppem = GET_Byte(); |
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strike->bit_depth = GET_Byte(); |
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strike->flags = GET_Char(); |
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count--; |
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strike++; |
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@ -799,7 +740,8 @@ |
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TT_Error error; |
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error = Find_SBit_Range( glyph_index, strike, arange, aglyph_offset ); |
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error = Find_SBit_Range( glyph_index, strike, |
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arange, aglyph_offset ); |
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if ( error ) |
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goto Fail; |
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@ -859,16 +801,25 @@ |
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case 1: |
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case 2: |
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case 8: |
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/* variable small metrics */ |
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/* variable small metrics */ |
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{ |
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TT_SBit_Small_Metrics smetrics; |
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const FT_Frame_Field sbit_small_metrics_fields[] = |
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{ |
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FT_FRAME_START( 5 ), |
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FT_FRAME_BYTE( TT_SBit_Small_Metrics, height ), |
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FT_FRAME_BYTE( TT_SBit_Small_Metrics, width ), |
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FT_FRAME_CHAR( TT_SBit_Small_Metrics, bearingX ), |
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FT_FRAME_CHAR( TT_SBit_Small_Metrics, bearingY ), |
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FT_FRAME_BYTE( TT_SBit_Small_Metrics, advance ), |
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FT_FRAME_END |
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}; |
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/* read small metrics */ |
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if ( ACCESS_Frame( 5L ) ) |
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if ( READ_Fields( sbit_small_metrics_fields, &smetrics ) ) |
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goto Exit; |
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TT_Load_Small_SBit_Metrics( &smetrics, stream ); |
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FORGET_Frame(); |
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/* convert it to a big metrics */ |
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metrics->height = smetrics.height; |
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@ -889,12 +840,7 @@ |
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case 7: |
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case 9: |
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/* variable big metrics */ |
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{ |
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if ( ACCESS_Frame( 8L ) ) |
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goto Exit; |
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TT_Load_SBit_Metrics( metrics, stream ); |
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FORGET_Frame(); |
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} |
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(void)READ_Fields( sbit_metrics_fields, metrics ); |
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break; |
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case 5: |
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@ -1167,8 +1113,8 @@ |
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case 2: |
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case 5: |
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case 7: |
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line_bits = glyph_width * pix_bits; |
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glyph_size = (glyph_height * line_bits + 7) >> 3; |
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line_bits = glyph_width * pix_bits; |
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glyph_size = ( glyph_height * line_bits + 7 ) >> 3; |
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break; |
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default: /* invalid format */ |
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@ -1225,8 +1171,8 @@ |
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TT_Long size; |
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map->width = metrics->width; |
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map->rows = metrics->height; |
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map->width = metrics->width; |
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map->rows = metrics->height; |
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switch ( strike->bit_depth ) |
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{ |
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@ -1234,14 +1180,17 @@ |
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map->pixel_mode = ft_pixel_mode_mono; |
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map->pitch = ( map->width + 7 ) >> 3; |
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break; |
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case 2: |
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map->pixel_mode = ft_pixel_mode_pal2; |
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map->pitch = ( map->width + 3 ) >> 2; |
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break; |
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case 4: |
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map->pixel_mode = ft_pixel_mode_pal4; |
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map->pitch = ( map->width + 1 ) >> 1; |
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break; |
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case 8: |
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map->pixel_mode = ft_pixel_mode_grays; |
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map->pitch = map->width; |
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Werner Lemberg
25 years ago