Update in-tree freetype2 lib (unused) to 2.9.1

16 files changed, 161 insertions, 33 deletions

diff --git a/modules/freetype2/src/cid/Jamfile b/modules/freetype2/src/cid/Jamfile
index 4b4eea17d..1c232fda3 100644
--- a/modules/freetype2/src/cid/Jamfile
+++ b/modules/freetype2/src/cid/Jamfile
@@ -1,6 +1,6 @@
 # FreeType 2 src/cid Jamfile
 #
-# Copyright 2001-2016 by
+# Copyright 2001-2018 by
 # David Turner, Robert Wilhelm, and Werner Lemberg.
 #
 # This file is part of the FreeType project, and may only be used, modified,
diff --git a/modules/freetype2/src/cid/ciderrs.h b/modules/freetype2/src/cid/ciderrs.h
index 1dc98c7cd..a5a86e3fc 100644
--- a/modules/freetype2/src/cid/ciderrs.h
+++ b/modules/freetype2/src/cid/ciderrs.h
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    CID error codes (specification only).                                */
 /*                                                                         */
-/*  Copyright 2001-2016 by                                                 */
+/*  Copyright 2001-2018 by                                                 */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
diff --git a/modules/freetype2/src/cid/cidgload.c b/modules/freetype2/src/cid/cidgload.c
index c7b95593e..d14f9a2cc 100644
--- a/modules/freetype2/src/cid/cidgload.c
+++ b/modules/freetype2/src/cid/cidgload.c
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    CID-keyed Type1 Glyph Loader (body).                                 */
 /*                                                                         */
-/*  Copyright 1996-2016 by                                                 */
+/*  Copyright 1996-2018 by                                                 */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -24,6 +24,10 @@
 #include FT_OUTLINE_H
 #include FT_INTERNAL_CALC_H
 
+#include FT_INTERNAL_POSTSCRIPT_AUX_H
+#include FT_INTERNAL_CFF_TYPES_H
+#include FT_DRIVER_H
+
 #include "ciderrs.h"
 
 
@@ -52,9 +56,11 @@
     FT_ULong       glyph_length = 0;
     PSAux_Service  psaux        = (PSAux_Service)face->psaux;
 
+    FT_Bool  force_scaling = FALSE;
+
 #ifdef FT_CONFIG_OPTION_INCREMENTAL
-    FT_Incremental_InterfaceRec *inc =
-                                  face->root.internal->incremental_interface;
+    FT_Incremental_InterfaceRec  *inc =
+                                   face->root.internal->incremental_interface;
 #endif
 
 
@@ -169,9 +175,57 @@
       if ( decoder->lenIV >= 0 )
         psaux->t1_decrypt( charstring, glyph_length, 4330 );
 
-      error = decoder->funcs.parse_charstrings(
-                decoder, charstring + cs_offset,
-                glyph_length - cs_offset );
+      /* choose which renderer to use */
+#ifdef T1_CONFIG_OPTION_OLD_ENGINE
+      if ( ( (PS_Driver)FT_FACE_DRIVER( face ) )->hinting_engine ==
+               FT_HINTING_FREETYPE                                  ||
+           decoder->builder.metrics_only                            )
+        error = psaux->t1_decoder_funcs->parse_charstrings_old(
+                  decoder,
+                  charstring + cs_offset,
+                  glyph_length - cs_offset );
+#else
+      if ( decoder->builder.metrics_only )
+        error = psaux->t1_decoder_funcs->parse_metrics(
+                  decoder,
+                  charstring + cs_offset,
+                  glyph_length - cs_offset );
+#endif
+      else
+      {
+        PS_Decoder      psdecoder;
+        CFF_SubFontRec  subfont;
+
+
+        psaux->ps_decoder_init( &psdecoder, decoder, TRUE );
+
+        psaux->t1_make_subfont( FT_FACE( face ),
+                                &dict->private_dict,
+                                &subfont );
+        psdecoder.current_subfont = &subfont;
+
+        error = psaux->t1_decoder_funcs->parse_charstrings(
+                  &psdecoder,
+                  charstring + cs_offset,
+                  glyph_length - cs_offset );
+
+        /* Adobe's engine uses 16.16 numbers everywhere;              */
+        /* as a consequence, glyphs larger than 2000ppem get rejected */
+        if ( FT_ERR_EQ( error, Glyph_Too_Big ) )
+        {
+          /* this time, we retry unhinted and scale up the glyph later on */
+          /* (the engine uses and sets the hardcoded value 0x10000 / 64 = */
+          /* 0x400 for both `x_scale' and `y_scale' in this case)         */
+          ((CID_GlyphSlot)decoder->builder.glyph)->hint = FALSE;
+
+          force_scaling = TRUE;
+
+          error = psaux->t1_decoder_funcs->parse_charstrings(
+                    &psdecoder,
+                    charstring + cs_offset,
+                    glyph_length - cs_offset );
+        }
+      }
     }
 
 #ifdef FT_CONFIG_OPTION_INCREMENTAL
@@ -200,6 +254,8 @@
   Exit:
     FT_FREE( charstring );
 
+    ((CID_GlyphSlot)decoder->builder.glyph)->scaled = force_scaling;
+
     return error;
   }
 
@@ -288,10 +344,12 @@
     T1_DecoderRec  decoder;
     CID_Face       face = (CID_Face)cidglyph->face;
     FT_Bool        hinting;
+    FT_Bool        scaled;
 
     PSAux_Service  psaux = (PSAux_Service)face->psaux;
     FT_Matrix      font_matrix;
     FT_Vector      font_offset;
+    FT_Bool        must_finish_decoder = FALSE;
 
 
     if ( glyph_index >= (FT_UInt)face->root.num_glyphs )
@@ -311,7 +369,10 @@
 
     hinting = FT_BOOL( ( load_flags & FT_LOAD_NO_SCALE   ) == 0 &&
                        ( load_flags & FT_LOAD_NO_HINTING ) == 0 );
+    scaled  = FT_BOOL( ( load_flags & FT_LOAD_NO_SCALE   ) == 0 );
 
+    glyph->hint      = hinting;
+    glyph->scaled    = scaled;
     cidglyph->format = FT_GLYPH_FORMAT_OUTLINE;
 
     error = psaux->t1_decoder_funcs->init( &decoder,
@@ -329,6 +390,8 @@
     /* TODO: initialize decoder.len_buildchar and decoder.buildchar */
     /*       if we ever support CID-keyed multiple master fonts     */
 
+    must_finish_decoder = TRUE;
+
     /* set up the decoder */
     decoder.builder.no_recurse = FT_BOOL(
       ( ( load_flags & FT_LOAD_NO_RECURSE ) != 0 ) );
@@ -337,12 +400,18 @@
     if ( error )
       goto Exit;
 
+    /* copy flags back for forced scaling */
+    hinting = glyph->hint;
+    scaled  = glyph->scaled;
+
     font_matrix = decoder.font_matrix;
     font_offset = decoder.font_offset;
 
     /* save new glyph tables */
     psaux->t1_decoder_funcs->done( &decoder );
 
+    must_finish_decoder = FALSE;
+
     /* now set the metrics -- this is rather simple, as    */
     /* the left side bearing is the xMin, and the top side */
     /* bearing the yMax                                    */
@@ -410,7 +479,7 @@
         metrics->vertAdvance += font_offset.y;
       }
 
-      if ( ( load_flags & FT_LOAD_NO_SCALE ) == 0 )
+      if ( ( load_flags & FT_LOAD_NO_SCALE ) == 0 || scaled )
       {
         /* scale the outline and the metrics */
         FT_Int       n;
@@ -451,6 +520,10 @@
     }
 
   Exit:
+
+    if ( must_finish_decoder )
+      psaux->t1_decoder_funcs->done( &decoder );
+
     return error;
   }
 
diff --git a/modules/freetype2/src/cid/cidgload.h b/modules/freetype2/src/cid/cidgload.h
index 62d664b3a..4811852ae 100644
--- a/modules/freetype2/src/cid/cidgload.h
+++ b/modules/freetype2/src/cid/cidgload.h
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    OpenType Glyph Loader (specification).                               */
 /*                                                                         */
-/*  Copyright 1996-2016 by                                                 */
+/*  Copyright 1996-2018 by                                                 */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
diff --git a/modules/freetype2/src/cid/cidload.c b/modules/freetype2/src/cid/cidload.c
index fc2a3cfe7..27cd09b3c 100644
--- a/modules/freetype2/src/cid/cidload.c
+++ b/modules/freetype2/src/cid/cidload.c
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    CID-keyed Type1 font loader (body).                                  */
 /*                                                                         */
-/*  Copyright 1996-2016 by                                                 */
+/*  Copyright 1996-2018 by                                                 */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -461,6 +461,9 @@
       FT_Byte*      p;
 
 
+      if ( !num_subrs )
+        continue;
+
       /* reallocate offsets array if needed */
       if ( num_subrs + 1 > max_offsets )
       {
diff --git a/modules/freetype2/src/cid/cidload.h b/modules/freetype2/src/cid/cidload.h
index 680f0d8fc..3f8bd0862 100644
--- a/modules/freetype2/src/cid/cidload.h
+++ b/modules/freetype2/src/cid/cidload.h
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    CID-keyed Type1 font loader (specification).                         */
 /*                                                                         */
-/*  Copyright 1996-2016 by                                                 */
+/*  Copyright 1996-2018 by                                                 */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
diff --git a/modules/freetype2/src/cid/cidobjs.c b/modules/freetype2/src/cid/cidobjs.c
index 2d2600fd4..77afe1c87 100644
--- a/modules/freetype2/src/cid/cidobjs.c
+++ b/modules/freetype2/src/cid/cidobjs.c
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    CID objects manager (body).                                          */
 /*                                                                         */
-/*  Copyright 1996-2016 by                                                 */
+/*  Copyright 1996-2018 by                                                 */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -26,6 +26,7 @@
 #include FT_SERVICE_POSTSCRIPT_CMAPS_H
 #include FT_INTERNAL_POSTSCRIPT_AUX_H
 #include FT_INTERNAL_POSTSCRIPT_HINTS_H
+#include FT_DRIVER_H
 
 #include "ciderrs.h"
 
@@ -113,16 +114,16 @@
     CID_Size  size = (CID_Size)cidsize;
 
 
-    if ( cidsize->internal )
+    if ( cidsize->internal->module_data )
     {
       PSH_Globals_Funcs  funcs;
 
 
       funcs = cid_size_get_globals_funcs( size );
       if ( funcs )
-        funcs->destroy( (PSH_Globals)cidsize->internal );
+        funcs->destroy( (PSH_Globals)cidsize->internal->module_data );
 
-      cidsize->internal = NULL;
+      cidsize->internal->module_data = NULL;
     }
   }
 
@@ -145,7 +146,7 @@
 
       error = funcs->create( cidsize->face->memory, priv, &globals );
       if ( !error )
-        cidsize->internal = (FT_Size_Internal)(void*)globals;
+        cidsize->internal->module_data = globals;
     }
 
     return error;
@@ -164,7 +165,7 @@
     funcs = cid_size_get_globals_funcs( (CID_Size)size );
 
     if ( funcs )
-      funcs->set_scale( (PSH_Globals)size->internal,
+      funcs->set_scale( (PSH_Globals)size->internal->module_data,
                         size->metrics.x_scale,
                         size->metrics.y_scale,
                         0, 0 );
@@ -463,9 +464,42 @@
   /*    FreeType error code.  0 means success.                             */
   /*                                                                       */
   FT_LOCAL_DEF( FT_Error )
-  cid_driver_init( FT_Module  driver )
+  cid_driver_init( FT_Module  module )
   {
-    FT_UNUSED( driver );
+    PS_Driver  driver = (PS_Driver)module;
+
+    FT_UInt32  seed;
+
+
+    /* set default property values, cf. `ftt1drv.h' */
+#ifdef T1_CONFIG_OPTION_OLD_ENGINE
+    driver->hinting_engine = FT_HINTING_FREETYPE;
+#else
+    driver->hinting_engine = FT_HINTING_ADOBE;
+#endif
+
+    driver->no_stem_darkening = TRUE;
+
+    driver->darken_params[0] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X1;
+    driver->darken_params[1] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y1;
+    driver->darken_params[2] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X2;
+    driver->darken_params[3] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y2;
+    driver->darken_params[4] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X3;
+    driver->darken_params[5] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y3;
+    driver->darken_params[6] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X4;
+    driver->darken_params[7] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y4;
+
+    /* compute random seed from some memory addresses */
+    seed = (FT_UInt32)( (FT_Offset)(char*)&seed          ^
+                        (FT_Offset)(char*)&module        ^
+                        (FT_Offset)(char*)module->memory );
+    seed = seed ^ ( seed >> 10 ) ^ ( seed >> 20 );
+
+    driver->random_seed = (FT_Int32)seed;
+    if ( driver->random_seed < 0 )
+      driver->random_seed = -driver->random_seed;
+    else if ( driver->random_seed == 0 )
+      driver->random_seed = 123456789;
 
     return FT_Err_Ok;
   }
diff --git a/modules/freetype2/src/cid/cidobjs.h b/modules/freetype2/src/cid/cidobjs.h
index 5dd377a9f..0221f017d 100644
--- a/modules/freetype2/src/cid/cidobjs.h
+++ b/modules/freetype2/src/cid/cidobjs.h
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    CID objects manager (specification).                                 */
 /*                                                                         */
-/*  Copyright 1996-2016 by                                                 */
+/*  Copyright 1996-2018 by                                                 */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
diff --git a/modules/freetype2/src/cid/cidparse.c b/modules/freetype2/src/cid/cidparse.c
index 1b27b2e95..b1c7f3cb2 100644
--- a/modules/freetype2/src/cid/cidparse.c
+++ b/modules/freetype2/src/cid/cidparse.c
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    CID-keyed Type1 parser (body).                                       */
 /*                                                                         */
-/*  Copyright 1996-2016 by                                                 */
+/*  Copyright 1996-2018 by                                                 */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
diff --git a/modules/freetype2/src/cid/cidparse.h b/modules/freetype2/src/cid/cidparse.h
index 7268dc6ae..61602f767 100644
--- a/modules/freetype2/src/cid/cidparse.h
+++ b/modules/freetype2/src/cid/cidparse.h
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    CID-keyed Type1 parser (specification).                              */
 /*                                                                         */
-/*  Copyright 1996-2016 by                                                 */
+/*  Copyright 1996-2018 by                                                 */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
diff --git a/modules/freetype2/src/cid/cidriver.c b/modules/freetype2/src/cid/cidriver.c
index 257365681..d9faf353e 100644
--- a/modules/freetype2/src/cid/cidriver.c
+++ b/modules/freetype2/src/cid/cidriver.c
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    CID driver interface (body).                                         */
 /*                                                                         */
-/*  Copyright 1996-2016 by                                                 */
+/*  Copyright 1996-2018 by                                                 */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -20,6 +20,7 @@
 #include "cidriver.h"
 #include "cidgload.h"
 #include FT_INTERNAL_DEBUG_H
+#include FT_INTERNAL_POSTSCRIPT_PROPS_H
 
 #include "ciderrs.h"
 
@@ -27,6 +28,10 @@
 #include FT_SERVICE_FONT_FORMAT_H
 #include FT_SERVICE_POSTSCRIPT_INFO_H
 #include FT_SERVICE_CID_H
+#include FT_SERVICE_PROPERTIES_H
+#include FT_DRIVER_H
+
+#include FT_INTERNAL_POSTSCRIPT_AUX_H
 
 
   /*************************************************************************/
@@ -168,6 +173,18 @@
 
 
   /*
+   *  PROPERTY SERVICE
+   *
+   */
+
+  FT_DEFINE_SERVICE_PROPERTIESREC(
+    cid_service_properties,
+
+    (FT_Properties_SetFunc)ps_property_set,      /* set_property */
+    (FT_Properties_GetFunc)ps_property_get )     /* get_property */
+
+
+  /*
    *  SERVICE LIST
    *
    */
@@ -178,6 +195,7 @@
     { FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &cid_service_ps_name },
     { FT_SERVICE_ID_POSTSCRIPT_INFO,      &cid_service_ps_info },
     { FT_SERVICE_ID_CID,                  &cid_service_cid_info },
+    { FT_SERVICE_ID_PROPERTIES,           &cid_service_properties },
     { NULL, NULL }
   };
 
@@ -200,7 +218,7 @@
       FT_MODULE_FONT_DRIVER       |
       FT_MODULE_DRIVER_SCALABLE   |
       FT_MODULE_DRIVER_HAS_HINTER,
-      sizeof ( FT_DriverRec ),
+      sizeof ( PS_DriverRec ),
 
       "t1cid",   /* module name           */
       0x10000L,  /* version 1.0 of driver */
diff --git a/modules/freetype2/src/cid/cidriver.h b/modules/freetype2/src/cid/cidriver.h
index a359a7890..59d9ded90 100644
--- a/modules/freetype2/src/cid/cidriver.h
+++ b/modules/freetype2/src/cid/cidriver.h
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    High-level CID driver interface (specification).                     */
 /*                                                                         */
-/*  Copyright 1996-2016 by                                                 */
+/*  Copyright 1996-2018 by                                                 */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
diff --git a/modules/freetype2/src/cid/cidtoken.h b/modules/freetype2/src/cid/cidtoken.h
index 9c773fd09..b0e2dac6a 100644
--- a/modules/freetype2/src/cid/cidtoken.h
+++ b/modules/freetype2/src/cid/cidtoken.h
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    CID token definitions (specification only).                          */
 /*                                                                         */
-/*  Copyright 1996-2016 by                                                 */
+/*  Copyright 1996-2018 by                                                 */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
diff --git a/modules/freetype2/src/cid/module.mk b/modules/freetype2/src/cid/module.mk
index d9585d781..9010e339a 100644
--- a/modules/freetype2/src/cid/module.mk
+++ b/modules/freetype2/src/cid/module.mk
@@ -3,7 +3,7 @@
 #
 
 
-# Copyright 1996-2016 by
+# Copyright 1996-2018 by
 # David Turner, Robert Wilhelm, and Werner Lemberg.
 #
 # This file is part of the FreeType project, and may only be used, modified,
diff --git a/modules/freetype2/src/cid/rules.mk b/modules/freetype2/src/cid/rules.mk
index f33aab00d..94333bda0 100644
--- a/modules/freetype2/src/cid/rules.mk
+++ b/modules/freetype2/src/cid/rules.mk
@@ -3,7 +3,7 @@
 #
 
 
-# Copyright 1996-2016 by
+# Copyright 1996-2018 by
 # David Turner, Robert Wilhelm, and Werner Lemberg.
 #
 # This file is part of the FreeType project, and may only be used, modified,
diff --git a/modules/freetype2/src/cid/type1cid.c b/modules/freetype2/src/cid/type1cid.c
index de3bdf770..61770e3f1 100644
--- a/modules/freetype2/src/cid/type1cid.c
+++ b/modules/freetype2/src/cid/type1cid.c
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    FreeType OpenType driver component (body only).                      */
 /*                                                                         */
-/*  Copyright 1996-2016 by                                                 */
+/*  Copyright 1996-2018 by                                                 */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -17,13 +17,13 @@
 
 
 #define FT_MAKE_OPTION_SINGLE_OBJECT
-
 #include <ft2build.h>
-#include "cidparse.c"
+
+#include "cidgload.c"
 #include "cidload.c"
 #include "cidobjs.c"
+#include "cidparse.c"
 #include "cidriver.c"
-#include "cidgload.c"
 
 
 /* END */