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-rw-r--r--src/3rdparty/freetype/src/sfnt/ttmtx.c204
1 files changed, 108 insertions, 96 deletions
diff --git a/src/3rdparty/freetype/src/sfnt/ttmtx.c b/src/3rdparty/freetype/src/sfnt/ttmtx.c
index 6ddda95b56..38ee9ae728 100644
--- a/src/3rdparty/freetype/src/sfnt/ttmtx.c
+++ b/src/3rdparty/freetype/src/sfnt/ttmtx.c
@@ -1,28 +1,27 @@
-/***************************************************************************/
-/* */
-/* ttmtx.c */
-/* */
-/* Load the metrics tables common to TTF and OTF fonts (body). */
-/* */
-/* Copyright 2006-2018 by */
-/* David Turner, Robert Wilhelm, and Werner Lemberg. */
-/* */
-/* This file is part of the FreeType project, and may only be used, */
-/* modified, and distributed under the terms of the FreeType project */
-/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
-/* this file you indicate that you have read the license and */
-/* understand and accept it fully. */
-/* */
-/***************************************************************************/
-
-
-#include <ft2build.h>
-#include FT_INTERNAL_DEBUG_H
-#include FT_INTERNAL_STREAM_H
-#include FT_TRUETYPE_TAGS_H
+/****************************************************************************
+ *
+ * ttmtx.c
+ *
+ * Load the metrics tables common to TTF and OTF fonts (body).
+ *
+ * Copyright (C) 2006-2023 by
+ * David Turner, Robert Wilhelm, and Werner Lemberg.
+ *
+ * This file is part of the FreeType project, and may only be used,
+ * modified, and distributed under the terms of the FreeType project
+ * license, LICENSE.TXT. By continuing to use, modify, or distribute
+ * this file you indicate that you have read the license and
+ * understand and accept it fully.
+ *
+ */
+
+
+#include <freetype/internal/ftdebug.h>
+#include <freetype/internal/ftstream.h>
+#include <freetype/tttags.h>
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
-#include FT_SERVICE_METRICS_VARIATIONS_H
+#include <freetype/internal/services/svmetric.h>
#endif
#include "ttmtx.h"
@@ -38,34 +37,37 @@
/* both the horizontal and vertical headers. */
- /*************************************************************************/
- /* */
- /* The macro FT_COMPONENT is used in trace mode. It is an implicit */
- /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
- /* messages during execution. */
- /* */
+ /**************************************************************************
+ *
+ * The macro FT_COMPONENT is used in trace mode. It is an implicit
+ * parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log
+ * messages during execution.
+ */
#undef FT_COMPONENT
-#define FT_COMPONENT trace_ttmtx
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_face_load_hmtx */
- /* */
- /* <Description> */
- /* Load the `hmtx' or `vmtx' table into a face object. */
- /* */
- /* <Input> */
- /* face :: A handle to the target face object. */
- /* */
- /* stream :: The input stream. */
- /* */
- /* vertical :: A boolean flag. If set, load `vmtx'. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
+#define FT_COMPONENT ttmtx
+
+
+ /**************************************************************************
+ *
+ * @Function:
+ * tt_face_load_hmtx
+ *
+ * @Description:
+ * Load the `hmtx' or `vmtx' table into a face object.
+ *
+ * @Input:
+ * face ::
+ * A handle to the target face object.
+ *
+ * stream ::
+ * The input stream.
+ *
+ * vertical ::
+ * A boolean flag. If set, load `vmtx'.
+ *
+ * @Return:
+ * FreeType error code. 0 means success.
+ */
FT_LOCAL_DEF( FT_Error )
tt_face_load_hmtx( TT_Face face,
FT_Stream stream,
@@ -102,24 +104,27 @@
}
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_face_load_hhea */
- /* */
- /* <Description> */
- /* Load the `hhea' or 'vhea' table into a face object. */
- /* */
- /* <Input> */
- /* face :: A handle to the target face object. */
- /* */
- /* stream :: The input stream. */
- /* */
- /* vertical :: A boolean flag. If set, load `vhea'. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
+ /**************************************************************************
+ *
+ * @Function:
+ * tt_face_load_hhea
+ *
+ * @Description:
+ * Load the `hhea' or 'vhea' table into a face object.
+ *
+ * @Input:
+ * face ::
+ * A handle to the target face object.
+ *
+ * stream ::
+ * The input stream.
+ *
+ * vertical ::
+ * A boolean flag. If set, load `vhea'.
+ *
+ * @Return:
+ * FreeType error code. 0 means success.
+ */
FT_LOCAL_DEF( FT_Error )
tt_face_load_hhea( TT_Face face,
FT_Stream stream,
@@ -190,30 +195,35 @@
}
- /*************************************************************************/
- /* */
- /* <Function> */
- /* tt_face_get_metrics */
- /* */
- /* <Description> */
- /* Return the horizontal or vertical metrics in font units for a */
- /* given glyph. The values are the left side bearing (top side */
- /* bearing for vertical metrics) and advance width (advance height */
- /* for vertical metrics). */
- /* */
- /* <Input> */
- /* face :: A pointer to the TrueType face structure. */
- /* */
- /* vertical :: If set to TRUE, get vertical metrics. */
- /* */
- /* gindex :: The glyph index. */
- /* */
- /* <Output> */
- /* abearing :: The bearing, either left side or top side. */
- /* */
- /* aadvance :: The advance width or advance height, depending on */
- /* the `vertical' flag. */
- /* */
+ /**************************************************************************
+ *
+ * @Function:
+ * tt_face_get_metrics
+ *
+ * @Description:
+ * Return the horizontal or vertical metrics in font units for a
+ * given glyph. The values are the left side bearing (top side
+ * bearing for vertical metrics) and advance width (advance height
+ * for vertical metrics).
+ *
+ * @Input:
+ * face ::
+ * A pointer to the TrueType face structure.
+ *
+ * vertical ::
+ * If set to TRUE, get vertical metrics.
+ *
+ * gindex ::
+ * The glyph index.
+ *
+ * @Output:
+ * abearing ::
+ * The bearing, either left side or top side.
+ *
+ * aadvance ::
+ * The advance width or advance height, depending on
+ * the `vertical' flag.
+ */
FT_LOCAL_DEF( void )
tt_face_get_metrics( TT_Face face,
FT_Bool vertical,
@@ -229,7 +239,7 @@
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
FT_Service_MetricsVariations var =
- (FT_Service_MetricsVariations)face->var;
+ (FT_Service_MetricsVariations)face->tt_var;
#endif
@@ -269,7 +279,7 @@
else
{
table_pos += 4 * ( k - 1 );
- if ( table_pos + 4 > table_end )
+ if ( table_pos + 2 > table_end )
goto NoData;
if ( FT_STREAM_SEEK( table_pos ) ||
@@ -281,7 +291,9 @@
*abearing = 0;
else
{
- if ( !FT_STREAM_SEEK( table_pos ) )
+ if ( FT_STREAM_SEEK( table_pos ) )
+ *abearing = 0;
+ else
(void)FT_READ_SHORT( *abearing );
}
}
@@ -294,7 +306,7 @@
}
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
- if ( var )
+ if ( var && face->blend )
{
FT_Face f = FT_FACE( face );
FT_Int a = (FT_Int)*aadvance;
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 16:36:48 +0000