From dba44cd4e5754b579f2184a864ffe7b79b0a7e56 Mon Sep 17 00:00:00 2001 From: Konstantin Ritt Date: Mon, 2 Nov 2015 07:10:28 +0400 Subject: Update bundled FreeType to 2.6.1 Change-Id: Ic489f8aa8ad42da3922f542e6c9064afe44f3799 Reviewed-by: Friedemann Kleint Reviewed-by: Lars Knoll --- src/3rdparty/freetype/src/pcf/pcfread.c | 99 +++++++++++++++++++++++---------- 1 file changed, 71 insertions(+), 28 deletions(-) (limited to 'src/3rdparty/freetype/src/pcf/pcfread.c') diff --git a/src/3rdparty/freetype/src/pcf/pcfread.c b/src/3rdparty/freetype/src/pcf/pcfread.c index a29a9e371b..afa1480771 100644 --- a/src/3rdparty/freetype/src/pcf/pcfread.c +++ b/src/3rdparty/freetype/src/pcf/pcfread.c @@ -448,14 +448,14 @@ THE SOFTWARE. pcf_get_properties( FT_Stream stream, PCF_Face face ) { - PCF_ParseProperty props = 0; + PCF_ParseProperty props = NULL; PCF_Property properties = NULL; FT_ULong nprops, i; FT_ULong format, size; FT_Error error; FT_Memory memory = FT_FACE( face )->memory; FT_ULong string_size; - FT_String* strings = 0; + FT_String* strings = NULL; error = pcf_seek_to_table_type( stream, @@ -485,9 +485,9 @@ THE SOFTWARE. goto Bail; FT_TRACE4(( " nprop = %d (truncate %d props)\n", - (int)nprops, nprops - (int)nprops )); + (int)nprops, nprops - (FT_ULong)(int)nprops )); - nprops = (int)nprops; + nprops = (FT_ULong)(int)nprops; /* rough estimate */ if ( nprops > size / PCF_PROPERTY_SIZE ) @@ -620,7 +620,7 @@ THE SOFTWARE. FT_Error error; FT_Memory memory = FT_FACE( face )->memory; FT_ULong format, size; - PCF_Metric metrics = 0; + PCF_Metric metrics = NULL; FT_ULong nmetrics, i; @@ -766,8 +766,7 @@ THE SOFTWARE. FT_TRACE4(( " number of bitmaps: %d\n", nbitmaps )); - /* XXX: PCF_Face->nmetrics is signed FT_Long, see pcf.h */ - if ( face->nmetrics < 0 || nbitmaps != (FT_ULong)face->nmetrics ) + if ( nbitmaps != face->nmetrics ) return FT_THROW( Invalid_File_Format ); if ( FT_NEW_ARRAY( offsets, nbitmaps ) ) @@ -795,9 +794,10 @@ THE SOFTWARE. if ( error ) goto Bail; - sizebitmaps = bitmapSizes[PCF_GLYPH_PAD_INDEX( format )]; + sizebitmaps = (FT_ULong)bitmapSizes[PCF_GLYPH_PAD_INDEX( format )]; - FT_TRACE4(( " padding %d implies a size of %ld\n", i, bitmapSizes[i] )); + FT_TRACE4(( " padding %d implies a size of %ld\n", + i, bitmapSizes[i] )); } FT_TRACE4(( " %d bitmaps, padding index %ld\n", @@ -817,7 +817,7 @@ THE SOFTWARE. " invalid offset to bitmap data of glyph %d\n", i )); } else - face->metrics[i].bits = stream->pos + offsets[i]; + face->metrics[i].bits = stream->pos + (FT_ULong)offsets[i]; } face->bitmapsFormat = format; @@ -837,8 +837,10 @@ THE SOFTWARE. FT_ULong format, size; int firstCol, lastCol; int firstRow, lastRow; - int nencoding, encodingOffset; - int i, j, k; + FT_ULong nencoding; + int encodingOffset; + int i, j; + FT_ULong k; PCF_Encoding encoding = NULL; @@ -893,7 +895,8 @@ THE SOFTWARE. FT_TRACE4(( " firstCol %d, lastCol %d, firstRow %d, lastRow %d\n", firstCol, lastCol, firstRow, lastRow )); - nencoding = ( lastCol - firstCol + 1 ) * ( lastRow - firstRow + 1 ); + nencoding = (FT_ULong)( lastCol - firstCol + 1 ) * + (FT_ULong)( lastRow - firstRow + 1 ); if ( FT_NEW_ARRAY( encoding, nencoding ) ) return FT_THROW( Out_Of_Memory ); @@ -912,10 +915,10 @@ THE SOFTWARE. else encodingOffset = FT_GET_SHORT_LE(); - if ( encodingOffset != -1 ) + if ( encodingOffset > -1 ) { encoding[k].enc = i * 256 + j; - encoding[k].glyph = (FT_Short)encodingOffset; + encoding[k].glyph = (FT_UShort)encodingOffset; FT_TRACE5(( " code %d (0x%04X): idx %d\n", encoding[k].enc, encoding[k].enc, encoding[k].glyph )); @@ -1256,7 +1259,7 @@ THE SOFTWARE. * * This implies bumping the number of `available' glyphs by 1. */ - root->num_glyphs = face->nmetrics + 1; + root->num_glyphs = (FT_Long)( face->nmetrics + 1 ); root->num_fixed_sizes = 1; if ( FT_NEW_ARRAY( root->available_sizes, 1 ) ) @@ -1269,51 +1272,91 @@ THE SOFTWARE. FT_MEM_ZERO( bsize, sizeof ( FT_Bitmap_Size ) ); + /* for simplicity, we take absolute values of integer properties */ + #if 0 bsize->height = face->accel.maxbounds.ascent << 6; #endif - bsize->height = (FT_Short)( face->accel.fontAscent + - face->accel.fontDescent ); + +#ifdef FT_DEBUG_LEVEL_TRACE + if ( face->accel.fontAscent + face->accel.fontDescent < 0 ) + FT_TRACE0(( "pcf_load_font: negative height\n" )); +#endif + bsize->height = FT_ABS( (FT_Short)( face->accel.fontAscent + + face->accel.fontDescent ) ); prop = pcf_find_property( face, "AVERAGE_WIDTH" ); if ( prop ) - bsize->width = (FT_Short)( ( prop->value.l + 5 ) / 10 ); + { +#ifdef FT_DEBUG_LEVEL_TRACE + if ( prop->value.l < 0 ) + FT_TRACE0(( "pcf_load_font: negative average width\n" )); +#endif + bsize->width = FT_ABS( (FT_Short)( ( prop->value.l ) + 5 ) / 10 ); + } else - bsize->width = (FT_Short)( bsize->height * 2/3 ); + bsize->width = (FT_Short)FT_MulDiv( bsize->height, 2, 3 ); prop = pcf_find_property( face, "POINT_SIZE" ); if ( prop ) + { +#ifdef FT_DEBUG_LEVEL_TRACE + if ( prop->value.l < 0 ) + FT_TRACE0(( "pcf_load_font: negative point size\n" )); +#endif /* convert from 722.7 decipoints to 72 points per inch */ - bsize->size = - (FT_Pos)( ( prop->value.l * 64 * 7200 + 36135L ) / 72270L ); + bsize->size = FT_MulDiv( FT_ABS( prop->value.l ), + 64 * 7200, + 72270L ); + } prop = pcf_find_property( face, "PIXEL_SIZE" ); if ( prop ) - bsize->y_ppem = (FT_Short)prop->value.l << 6; + { +#ifdef FT_DEBUG_LEVEL_TRACE + if ( prop->value.l < 0 ) + FT_TRACE0(( "pcf_load_font: negative pixel size\n" )); +#endif + bsize->y_ppem = FT_ABS( (FT_Short)prop->value.l ) << 6; + } prop = pcf_find_property( face, "RESOLUTION_X" ); if ( prop ) - resolution_x = (FT_Short)prop->value.l; + { +#ifdef FT_DEBUG_LEVEL_TRACE + if ( prop->value.l < 0 ) + FT_TRACE0(( "pcf_load_font: negative X resolution\n" )); +#endif + resolution_x = FT_ABS( (FT_Short)prop->value.l ); + } prop = pcf_find_property( face, "RESOLUTION_Y" ); if ( prop ) - resolution_y = (FT_Short)prop->value.l; + { +#ifdef FT_DEBUG_LEVEL_TRACE + if ( prop->value.l < 0 ) + FT_TRACE0(( "pcf_load_font: negative Y resolution\n" )); +#endif + resolution_y = FT_ABS( (FT_Short)prop->value.l ); + } if ( bsize->y_ppem == 0 ) { bsize->y_ppem = bsize->size; if ( resolution_y ) - bsize->y_ppem = bsize->y_ppem * resolution_y / 72; + bsize->y_ppem = FT_MulDiv( bsize->y_ppem, resolution_y, 72 ); } if ( resolution_x && resolution_y ) - bsize->x_ppem = bsize->y_ppem * resolution_x / resolution_y; + bsize->x_ppem = FT_MulDiv( bsize->y_ppem, + resolution_x, + resolution_y ); else bsize->x_ppem = bsize->y_ppem; } /* set up charset */ { - PCF_Property charset_registry = 0, charset_encoding = 0; + PCF_Property charset_registry, charset_encoding; charset_registry = pcf_find_property( face, "CHARSET_REGISTRY" ); -- cgit v1.2.3