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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.c259
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 */