diff options
Diffstat (limited to 'Build/source/libs/freetype2/freetype-src/src/base/ftobjs.c')
-rw-r--r-- | Build/source/libs/freetype2/freetype-src/src/base/ftobjs.c | 259 |
1 files changed, 206 insertions, 53 deletions
diff --git a/Build/source/libs/freetype2/freetype-src/src/base/ftobjs.c b/Build/source/libs/freetype2/freetype-src/src/base/ftobjs.c index c060bbbc879..0ded2440fca 100644 --- a/Build/source/libs/freetype2/freetype-src/src/base/ftobjs.c +++ b/Build/source/libs/freetype2/freetype-src/src/base/ftobjs.c @@ -4,7 +4,7 @@ * * The FreeType private base classes (body). * - * Copyright (C) 1996-2020 by + * Copyright (C) 1996-2021 by * David Turner, Robert Wilhelm, and Werner Lemberg. * * This file is part of the FreeType project, and may only be used, @@ -78,6 +78,9 @@ #pragma warning( pop ) #endif + /* This array must stay in sync with the @FT_Pixel_Mode enumeration */ + /* (in file `ftimage.h`). */ + static const char* const pixel_modes[] = { "none", @@ -87,7 +90,8 @@ "gray 4-bit bitmap", "LCD 8-bit bitmap", "vertical LCD 8-bit bitmap", - "BGRA 32-bit color image bitmap" + "BGRA 32-bit color image bitmap", + "SDF 8-bit bitmap" }; #endif /* FT_DEBUG_LEVEL_TRACE */ @@ -193,6 +197,7 @@ FT_Error error; FT_Memory memory; FT_Stream stream = NULL; + FT_UInt mode; *astream = NULL; @@ -204,15 +209,15 @@ return FT_THROW( Invalid_Argument ); memory = library->memory; + mode = args->flags & + ( FT_OPEN_MEMORY | FT_OPEN_STREAM | FT_OPEN_PATHNAME ); - if ( FT_NEW( stream ) ) - goto Exit; - - stream->memory = memory; - - if ( args->flags & FT_OPEN_MEMORY ) + if ( mode == FT_OPEN_MEMORY ) { /* create a memory-based stream */ + if ( FT_NEW( stream ) ) + goto Exit; + FT_Stream_OpenMemory( stream, (const FT_Byte*)args->memory_base, (FT_ULong)args->memory_size ); @@ -220,33 +225,40 @@ #ifndef FT_CONFIG_OPTION_DISABLE_STREAM_SUPPORT - else if ( args->flags & FT_OPEN_PATHNAME ) + else if ( mode == FT_OPEN_PATHNAME ) { /* create a normal system stream */ + if ( FT_NEW( stream ) ) + goto Exit; + error = FT_Stream_Open( stream, args->pathname ); - stream->pathname.pointer = args->pathname; + if ( error ) + FT_FREE( stream ); } - else if ( ( args->flags & FT_OPEN_STREAM ) && args->stream ) + else if ( ( mode == FT_OPEN_STREAM ) && args->stream ) { /* use an existing, user-provided stream */ /* in this case, we do not need to allocate a new stream object */ /* since the caller is responsible for closing it himself */ - FT_FREE( stream ); stream = args->stream; + error = FT_Err_Ok; } #endif else + { error = FT_THROW( Invalid_Argument ); + if ( ( args->flags & FT_OPEN_STREAM ) && args->stream ) + FT_Stream_Close( args->stream ); + } - if ( error ) - FT_FREE( stream ); - else - stream->memory = memory; /* just to be certain */ - - *astream = stream; + if ( !error ) + { + stream->memory = memory; + *astream = stream; + } Exit: return error; @@ -535,6 +547,8 @@ ft_glyphslot_free_bitmap( slot ); /* clear all public fields in the glyph slot */ + slot->glyph_index = 0; + FT_ZERO( &slot->metrics ); FT_ZERO( &slot->outline ); @@ -555,6 +569,8 @@ slot->linearHoriAdvance = 0; slot->linearVertAdvance = 0; + slot->advance.x = 0; + slot->advance.y = 0; slot->lsb_delta = 0; slot->rsb_delta = 0; } @@ -734,6 +750,29 @@ } + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( void ) + FT_Get_Transform( FT_Face face, + FT_Matrix* matrix, + FT_Vector* delta ) + { + FT_Face_Internal internal; + + + if ( !face ) + return; + + internal = face->internal; + + if ( matrix ) + *matrix = internal->transform_matrix; + + if ( delta ) + *delta = internal->transform_delta; + } + + static FT_Renderer ft_lookup_glyph_renderer( FT_GlyphSlot slot ); @@ -1056,19 +1095,24 @@ #ifdef FT_DEBUG_LEVEL_TRACE FT_TRACE5(( "FT_Load_Glyph: index %d, flags 0x%x\n", glyph_index, load_flags )); + FT_TRACE5(( " bitmap %dx%d %s, %s (mode %d)\n", + slot->bitmap.width, + slot->bitmap.rows, + slot->outline.points ? + slot->bitmap.buffer ? "rendered" + : "preset" + : + slot->internal->flags & FT_GLYPH_OWN_BITMAP ? "owned" + : "unowned", + pixel_modes[slot->bitmap.pixel_mode], + slot->bitmap.pixel_mode )); + FT_TRACE5(( "\n" )); FT_TRACE5(( " x advance: %f\n", slot->advance.x / 64.0 )); FT_TRACE5(( " y advance: %f\n", slot->advance.y / 64.0 )); FT_TRACE5(( " linear x advance: %f\n", slot->linearHoriAdvance / 65536.0 )); FT_TRACE5(( " linear y advance: %f\n", slot->linearVertAdvance / 65536.0 )); - FT_TRACE5(( "\n" )); - FT_TRACE5(( " bitmap %dx%d, %s (mode %d)\n", - slot->bitmap.width, - slot->bitmap.rows, - pixel_modes[slot->bitmap.pixel_mode], - slot->bitmap.pixel_mode )); - FT_TRACE5(( "\n" )); { FT_Glyph_Metrics* metrics = &slot->metrics; @@ -1782,7 +1826,7 @@ if ( error ) goto Exit; - if ( FT_ALLOC( sfnt_ps, (FT_Long)length ) ) + if ( FT_QALLOC( sfnt_ps, (FT_Long)length ) ) goto Exit; error = FT_Stream_Read( stream, (FT_Byte *)sfnt_ps, length ); @@ -1892,7 +1936,7 @@ goto Exit; } - if ( FT_ALLOC( pfb_data, (FT_Long)pfb_len + 2 ) ) + if ( FT_QALLOC( pfb_data, (FT_Long)pfb_len + 2 ) ) goto Exit; pfb_data[0] = 0x80; @@ -1956,7 +2000,7 @@ { FT_TRACE3(( " Write POST fragment #%d header (4-byte) to buffer" " %p + 0x%08lx\n", - i, pfb_data, pfb_lenpos )); + i, (void*)pfb_data, pfb_lenpos )); if ( pfb_lenpos + 3 > pfb_len + 2 ) goto Exit2; @@ -1971,7 +2015,7 @@ FT_TRACE3(( " Write POST fragment #%d header (6-byte) to buffer" " %p + 0x%08lx\n", - i, pfb_data, pfb_pos )); + i, (void*)pfb_data, pfb_pos )); if ( pfb_pos + 6 > pfb_len + 2 ) goto Exit2; @@ -1994,7 +2038,7 @@ FT_TRACE3(( " Load POST fragment #%d (%ld byte) to buffer" " %p + 0x%08lx\n", - i, rlen, pfb_data, pfb_pos )); + i, rlen, (void*)pfb_data, pfb_pos )); error = FT_Stream_Read( stream, (FT_Byte *)pfb_data + pfb_pos, rlen ); if ( error ) @@ -2092,7 +2136,7 @@ if ( error ) goto Exit; - if ( FT_ALLOC( sfnt_data, rlen ) ) + if ( FT_QALLOC( sfnt_data, rlen ) ) return error; error = FT_Stream_Read( stream, (FT_Byte *)sfnt_data, (FT_ULong)rlen ); if ( error ) { @@ -2681,10 +2725,10 @@ #ifdef FT_DEBUG_LEVEL_TRACE if ( !error && face_index < 0 ) { - FT_TRACE3(( "FT_Open_Face: The font has %ld face%s\n" - " and %ld named instance%s for face %ld\n", + FT_TRACE3(( "FT_Open_Face: The font has %ld face%s\n", face->num_faces, - face->num_faces == 1 ? "" : "s", + face->num_faces == 1 ? "" : "s" )); + FT_TRACE3(( " and %ld named instance%s for face %ld\n", face->style_flags >> 16, ( face->style_flags >> 16 ) == 1 ? "" : "s", -face_index - 1 )); @@ -4412,8 +4456,7 @@ render->glyph_format = clazz->glyph_format; /* allocate raster object if needed */ - if ( clazz->glyph_format == FT_GLYPH_FORMAT_OUTLINE && - clazz->raster_class->raster_new ) + if ( clazz->raster_class->raster_new ) { error = clazz->raster_class->raster_new( memory, &render->raster ); if ( error ) @@ -4460,8 +4503,7 @@ /* release raster object, if any */ - if ( render->clazz->glyph_format == FT_GLYPH_FORMAT_OUTLINE && - render->raster ) + if ( render->raster ) render->clazz->raster_class->raster_done( render->raster ); /* remove from list */ @@ -4556,9 +4598,6 @@ switch ( slot->format ) { - case FT_GLYPH_FORMAT_BITMAP: /* already a bitmap, don't do anything */ - break; - default: if ( slot->internal->load_flags & FT_LOAD_COLOR ) { @@ -4734,11 +4773,11 @@ /* we use FT_TRACE7 in this block */ if ( !error && - ft_trace_levels[trace_checksum] >= 7 ) + ft_trace_levels[trace_checksum] >= 7 && + slot->bitmap.buffer ) { if ( slot->bitmap.rows < 128U && - slot->bitmap.width < 128U && - slot->bitmap.buffer ) + slot->bitmap.width < 128U ) { int rows = (int)slot->bitmap.rows; int width = (int)slot->bitmap.width; @@ -5149,16 +5188,16 @@ if ( cur == limit ) { - FT_ERROR(( "%s: can't find module `%s'\n", - func_name, module_name )); + FT_TRACE2(( "%s: can't find module `%s'\n", + func_name, module_name )); return FT_THROW( Missing_Module ); } /* check whether we have a service interface */ if ( !cur[0]->clazz->get_interface ) { - FT_ERROR(( "%s: module `%s' doesn't support properties\n", - func_name, module_name )); + FT_TRACE2(( "%s: module `%s' doesn't support properties\n", + func_name, module_name )); return FT_THROW( Unimplemented_Feature ); } @@ -5167,8 +5206,8 @@ FT_SERVICE_ID_PROPERTIES ); if ( !interface ) { - FT_ERROR(( "%s: module `%s' doesn't support properties\n", - func_name, module_name )); + FT_TRACE2(( "%s: module `%s' doesn't support properties\n", + func_name, module_name )); return FT_THROW( Unimplemented_Feature ); } @@ -5181,8 +5220,8 @@ if ( missing_func ) { - FT_ERROR(( "%s: property service of module `%s' is broken\n", - func_name, module_name )); + FT_TRACE2(( "%s: property service of module `%s' is broken\n", + func_name, module_name )); return FT_THROW( Unimplemented_Feature ); } @@ -5292,10 +5331,12 @@ if ( !memory || !alibrary ) return FT_THROW( Invalid_Argument ); +#ifndef FT_DEBUG_LOGGING #ifdef FT_DEBUG_LEVEL_ERROR /* init debugging support */ ft_debug_init(); -#endif +#endif /* FT_DEBUG_LEVEL_ERROR */ +#endif /* !FT_DEBUG_LOGGING */ /* first of all, allocate the library object */ if ( FT_NEW( library ) ) @@ -5567,4 +5608,116 @@ } + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Bool ) + FT_Get_Color_Glyph_Paint( FT_Face face, + FT_UInt base_glyph, + FT_Color_Root_Transform root_transform, + FT_OpaquePaint* paint ) + { + TT_Face ttface; + SFNT_Service sfnt; + + + if ( !face || !paint ) + return 0; + + if ( !FT_IS_SFNT( face ) ) + return 0; + + ttface = (TT_Face)face; + sfnt = (SFNT_Service)ttface->sfnt; + + if ( sfnt->get_colr_layer ) + return sfnt->get_colr_glyph_paint( ttface, + base_glyph, + root_transform, + paint ); + else + return 0; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Bool ) + FT_Get_Paint_Layers( FT_Face face, + FT_LayerIterator* layer_iterator, + FT_OpaquePaint* paint ) + { + TT_Face ttface; + SFNT_Service sfnt; + + + if ( !face || !paint || !layer_iterator ) + return 0; + + if ( !FT_IS_SFNT( face ) ) + return 0; + + ttface = (TT_Face)face; + sfnt = (SFNT_Service)ttface->sfnt; + + if ( sfnt->get_paint_layers ) + return sfnt->get_paint_layers( ttface, layer_iterator, paint ); + else + return 0; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Bool ) + FT_Get_Paint( FT_Face face, + FT_OpaquePaint opaque_paint, + FT_COLR_Paint* paint ) + { + TT_Face ttface; + SFNT_Service sfnt; + + + if ( !face || !paint || !paint ) + return 0; + + if ( !FT_IS_SFNT( face ) ) + return 0; + + ttface = (TT_Face)face; + sfnt = (SFNT_Service)ttface->sfnt; + + if ( sfnt->get_paint ) + return sfnt->get_paint( ttface, opaque_paint, paint ); + else + return 0; + } + + + /* documentation is in freetype.h */ + + FT_EXPORT_DEF( FT_Bool ) + FT_Get_Colorline_Stops ( FT_Face face, + FT_ColorStop * color_stop, + FT_ColorStopIterator *iterator ) + { + TT_Face ttface; + SFNT_Service sfnt; + + + if ( !face || !color_stop || !iterator ) + return 0; + + if ( !FT_IS_SFNT( face ) ) + return 0; + + ttface = (TT_Face)face; + sfnt = (SFNT_Service)ttface->sfnt; + + if ( sfnt->get_colorline_stops ) + return sfnt->get_colorline_stops ( ttface, color_stop, iterator ); + else + return 0; + } + + /* END */ |