SOURCES: XFree86-freetype-nointernals.patch (NEW) - don't use free...
qboosh
qboosh at pld-linux.org
Wed Jul 19 21:21:03 CEST 2006
Author: qboosh Date: Wed Jul 19 19:21:03 2006 GMT
Module: SOURCES Tag: HEAD
---- Log message:
- don't use freetype 2.1.x internals (libXfont part based on modular libXfont; fonttofs part trivial)
---- Files affected:
SOURCES:
XFree86-freetype-nointernals.patch (NONE -> 1.1) (NEW)
---- Diffs:
================================================================
Index: SOURCES/XFree86-freetype-nointernals.patch
diff -u /dev/null SOURCES/XFree86-freetype-nointernals.patch:1.1
--- /dev/null Wed Jul 19 21:21:03 2006
+++ SOURCES/XFree86-freetype-nointernals.patch Wed Jul 19 21:20:58 2006
@@ -0,0 +1,381 @@
+--- XFree86-4.6.0/xc/lib/font/FreeType/ftfuncs.c.orig 2005-10-14 17:16:01.000000000 +0200
++++ XFree86-4.6.0/xc/lib/font/FreeType/ftfuncs.c 2006-07-19 08:16:57.502772250 +0200
+@@ -50,10 +50,7 @@
+ #include FT_TYPE1_TABLES_H
+ #include FT_XFREE86_H
+ #include FT_BBOX_H
+-#include FT_INTERNAL_TRUETYPE_TYPES_H
+ #include FT_TRUETYPE_TAGS_H
+-#include FT_INTERNAL_SFNT_H
+-#include FT_INTERNAL_STREAM_H
+ /*
+ * If you want to use FT_Outline_Get_CBox instead of
+ * FT_Outline_Get_BBox, define here.
+@@ -119,6 +116,25 @@
+ };
+
+
++/* read 2-byte value from a SFNT table */
++static FT_UShort
++sfnt_get_ushort( FT_Face face,
++ FT_ULong table_tag,
++ FT_ULong table_offset )
++{
++ FT_Byte buff[2];
++ FT_ULong len = sizeof(buff);
++ FT_UShort result = 0;
++
++ if ( !FT_Load_Sfnt_Table( face, table_tag, table_offset, buff, &len ) );
++ result = (FT_UShort)( (buff[0] << 8) | buff[1] );
++
++ return result;
++}
++
++#define sfnt_get_short(f,t,o) ((FT_Short)sfnt_get_ushort((f),(t),(o)))
++
++
+ static int ftypeInitP = 0; /* is the engine initialised? */
+ static FT_Library ftypeLibrary;
+
+@@ -207,6 +223,10 @@
+ if(maxp && maxp->maxContours == 0)
+ face->bitmap = 1;
+ }
++
++ face->num_hmetrics = (FT_UInt) sfnt_get_ushort( face->face,
++ TTAG_hhea, 34 );
++
+ /* Insert face in hashtable and return it */
+ face->next = faceTable[bucket];
+ faceTable[bucket] = face;
+@@ -458,6 +478,34 @@
+ }
+
+ if( FT_IS_SFNT( face->face ) ) {
++#if 1
++ FT_F26Dot6 tt_char_width, tt_char_height, tt_dim_x, tt_dim_y;
++ FT_UInt nn;
++
++ instance->strike_index=0xFFFFU;
++
++ tt_char_width = (FT_F26Dot6)(trans->scale*(1<<6) + 0.5);
++ tt_char_height = (FT_F26Dot6)(trans->scale*(1<<6) + 0.5);
++
++ tt_dim_x = FLOOR64( ( tt_char_width * trans->xres + 36 ) / 72 + 32 );
++ tt_dim_y = FLOOR64( ( tt_char_height * trans->yres + 36 ) / 72 + 32 );
++
++ if ( tt_dim_x && !tt_dim_y )
++ tt_dim_y = tt_dim_x;
++ else if ( !tt_dim_x && tt_dim_y )
++ tt_dim_x = tt_dim_y;
++
++ for ( nn = 0; nn < face->face->num_fixed_sizes; nn++ )
++ {
++ FT_Bitmap_Size* sz = &face->face->available_sizes[nn];
++
++ if ( tt_dim_x == FLOOR64(sz->x_ppem + 32) && tt_dim_y == FLOOR64(sz->y_ppem + 32) )
++ {
++ instance->strike_index = nn;
++ break;
++ }
++ }
++#else
+ /* See Set_Char_Sizes() in ttdriver.c */
+ FT_Error err;
+ TT_Face tt_face;
+@@ -482,6 +530,7 @@
+ sfnt = (SFNT_Service)tt_face->sfnt;
+ err = sfnt->set_sbit_strike(tt_face,tt_x_ppem,tt_y_ppem,&instance->strike_index);
+ if ( err ) instance->strike_index=0xFFFFU;
++#endif
+ }
+
+ /* maintain a linked list of instances */
+@@ -799,31 +848,61 @@
+ * parse the htmx field in TrueType font.
+ */
+
+-/* from src/truetype/ttgload.c */
+ static void
+-tt_get_metrics( TT_HoriHeader* header,
++tt_get_metrics( FT_Face face,
+ FT_UInt idx,
++ FT_UInt num_hmetrics,
+ FT_Short* bearing,
+ FT_UShort* advance )
+-/* Copyright 1996-2001, 2002 by */
+-/* David Turner, Robert Wilhelm, and Werner Lemberg. */
+ {
+- TT_LongMetrics longs_m;
+- FT_UShort k = header->number_Of_HMetrics;
++ /* read the metrics directly from the horizontal header, we
++ * parse the SFNT table directly through the standard FreeType API.
++ * this works with any version of the library and doesn't need to
++ * peek at its internals. Maybe a bit less
++ */
++ FT_UInt count = num_hmetrics;
++ FT_ULong length = 0;
++ FT_ULong offset = 0;
++ FT_Error error;
+
+- if ( k == 0 ) {
+- *bearing = *advance = 0;
+- return;
+- }
++ error = FT_Load_Sfnt_Table( face, TTAG_hmtx, 0, NULL, &length );
+
+- if ( idx < (FT_UInt)k ) {
+- longs_m = (TT_LongMetrics )header->long_metrics + idx;
+- *bearing = longs_m->bearing;
+- *advance = longs_m->advance;
++ if ( count == 0 || error )
++ {
++ *advance = 0;
++ *bearing = 0;
++ }
++ else if ( idx < count )
++ {
++ offset = idx * 4L;
++ if ( offset + 4 > length )
++ {
++ *advance = 0;
++ *bearing = 0;
++ }
++ else
++ {
++ *advance = sfnt_get_ushort( face, TTAG_hmtx, offset );
++ *bearing = sfnt_get_short ( face, TTAG_hmtx, offset+2 );
++ }
++ }
++ else
++ {
++ offset = 4L * (count - 1);
++ if ( offset + 4 > length )
++ {
++ *advance = 0;
++ *bearing = 0;
++ }
++ else
++ {
++ *advance = sfnt_get_ushort ( face, TTAG_hmtx, offset );
++ offset += 4 + 2 * ( idx - count );
++ if ( offset + 2 > length)
++ *bearing = 0;
++ else
++ *bearing = sfnt_get_short ( face, TTAG_hmtx, offset );
+ }
+- else {
+- *bearing = ((TT_ShortMetrics*)header->short_metrics)[idx - k];
+- *advance = ((TT_LongMetrics )header->long_metrics)[k - 1].advance;
+ }
+ }
+
+@@ -831,6 +910,7 @@
+ ft_get_very_lazy_bbox( FT_UInt index,
+ FT_Face face,
+ FT_Size size,
++ FT_UInt num_hmetrics,
+ double slant,
+ FT_Matrix *matrix,
+ FT_BBox *bbox,
+@@ -838,15 +918,14 @@
+ FT_Long *vertAdvance)
+ {
+ if ( FT_IS_SFNT( face ) ) {
+- TT_Face ttface = (TT_Face)face;
+ FT_Size_Metrics *smetrics = &size->metrics;
+ FT_Short leftBearing = 0;
+ FT_UShort advance = 0;
+ FT_Vector p0, p1, p2, p3;
+
+ /* horizontal */
+- tt_get_metrics(&ttface->horizontal, index,
+- &leftBearing, &advance);
++ tt_get_metrics( face, index, num_hmetrics,
++ &leftBearing, &advance );
+
+ #if 0
+ fprintf(stderr,"x_scale=%f y_scale=%f\n",
+@@ -903,8 +982,30 @@
+
+ static FT_Error
+ FT_Do_SBit_Metrics( FT_Face ft_face, FT_Size ft_size, FT_ULong strike_index,
+- FT_UShort glyph_index, FT_Glyph_Metrics *metrics_return )
++ FT_UShort glyph_index, FT_Glyph_Metrics *metrics_return,
++ int *sbitchk_incomplete_but_exist )
+ {
++#if 1
++ if ( strike_index != 0xFFFFU && ft_face->available_sizes != NULL )
++ {
++ FT_Error error;
++ FT_Bitmap_Size* sz = &ft_face->available_sizes[strike_index];
++
++ error = FT_Set_Pixel_Sizes( ft_face, sz->x_ppem/64, sz->y_ppem/64 );
++ if ( !error )
++ {
++ error = FT_Load_Glyph( ft_face, glyph_index, FT_LOAD_SBITS_ONLY );
++ if ( !error )
++ {
++ if ( metrics_return != NULL )
++ *metrics_return = ft_face->glyph->metrics;
++
++ return 0;
++ }
++ }
++ }
++ return -1;
++#elif (FREETYPE_VERSION >= 2001008)
+ SFNT_Service sfnt;
+ TT_Face face;
+ FT_Error error;
+@@ -925,7 +1026,8 @@
+ face = (TT_Face)ft_face;
+ sfnt = (SFNT_Service)face->sfnt;
+
+- if ( strike_index != 0xFFFFU && sfnt->load_sbits ) {
++ if (strike_index != 0xFFFFU && sfnt && sfnt->find_sbit_image &&
++ sfnt->load_sbits) {
+ /* Check whether there is a glyph sbit for the current index */
+ error = sfnt->find_sbit_image( face, glyph_index, strike_index,
+ &range, &strike, &glyph_offset );
+@@ -968,6 +1070,17 @@
+
+ Exit:
+ return error;
++#else /* if (FREETYPE_VERSION < 2001008) */
++ TT_Face face;
++ SFNT_Service sfnt;
++ if ( ! FT_IS_SFNT( ft_face ) ) return -1;
++ face = (TT_Face)ft_face;
++ sfnt = (SFNT_Service)face->sfnt;
++ if ( strike_index != 0xFFFFU && sfnt->load_sbits ) {
++ if ( sbitchk_incomplete_but_exist ) *sbitchk_incomplete_but_exist=1;
++ }
++ return -1;
++#endif
+ }
+
+ int
+@@ -986,6 +1099,7 @@
+ int dx, dy;
+ int leftSideBearing, rightSideBearing, characterWidth, rawCharacterWidth,
+ ascent, descent;
++ int sbitchk_incomplete_but_exist;
+ double bbox_center_raw;
+
+ face = instance->face;
+@@ -1014,15 +1128,17 @@
+ int new_width;
+ double ratio;
+
++ sbitchk_incomplete_but_exist=0;
+ if( ! (instance->load_flags & FT_LOAD_NO_BITMAP) ) {
+ if( FT_Do_SBit_Metrics(face->face,instance->size,instance->strike_index,
+- idx,&sbit_metrics)==0 ) {
++ idx,&sbit_metrics,&sbitchk_incomplete_but_exist)==0 ) {
+ bitmap_metrics = &sbit_metrics;
+ }
+ }
+ if( bitmap_metrics == NULL ) {
+- if ( instance->ttcap.flags & TTCAP_IS_VERY_LAZY ) {
++ if ( sbitchk_incomplete_but_exist==0 && (instance->ttcap.flags & TTCAP_IS_VERY_LAZY) ) {
+ if( ft_get_very_lazy_bbox( idx, face->face, instance->size,
++ face->num_hmetrics,
+ instance->ttcap.vl_slant,
+ &instance->transformation.matrix,
+ &bbox, &outline_hori_advance,
+@@ -1040,6 +1156,8 @@
+ }
+
+ if( bitmap_metrics ) {
++ FT_Pos factor;
++
+ leftSideBearing = bitmap_metrics->horiBearingX / 64;
+ rightSideBearing = (bitmap_metrics->width + bitmap_metrics->horiBearingX) / 64;
+ bbox_center_raw = (2.0 * bitmap_metrics->horiBearingX + bitmap_metrics->width)/2.0/64.0;
+@@ -1062,8 +1180,8 @@
+ rightSideBearing += instance->ttcap.rsbShiftOfBitmapAutoItalic;
+ leftSideBearing += instance->ttcap.lsbShiftOfBitmapAutoItalic;
+ /* */
+- rawCharacterWidth =
+- (unsigned short)(short)(floor(1000 * bitmap_metrics->horiAdvance
++ factor = bitmap_metrics->horiAdvance;
++ rawCharacterWidth = (unsigned short)(short)(floor(1000 * factor
+ * instance->ttcap.scaleBBoxWidth * ratio / 64.
+ / instance->pixel_size));
+ }
+@@ -1155,14 +1273,16 @@
+ else if( flags & FT_FORCE_CONSTANT_SPACING ) correct=1;
+ else{
+ int sbit_available=0;
++ sbitchk_incomplete_but_exist=0;
+ if( !(instance->load_flags & FT_LOAD_NO_BITMAP) ) {
+ if( FT_Do_SBit_Metrics(face->face,instance->size,
+- instance->strike_index,idx,NULL)==0 ) {
++ instance->strike_index,idx,NULL,
++ &sbitchk_incomplete_but_exist)==0 ) {
+ sbit_available=1;
+ }
+ }
+ if( sbit_available == 0 ) {
+- if ( instance->ttcap.flags & TTCAP_IS_VERY_LAZY ) {
++ if ( sbitchk_incomplete_but_exist==0 && (instance->ttcap.flags & TTCAP_IS_VERY_LAZY) ) {
+ if( FT_IS_SFNT(face->face) ) correct=1;
+ }
+ }
+@@ -1183,10 +1303,27 @@
+ }
+
+ if( face->face->glyph->format != FT_GLYPH_FORMAT_BITMAP ) {
++#ifdef USE_GET_CBOX
++ FT_Outline_Get_CBox(&face->face->glyph->outline, &bbox);
++ ftrc = 0;
++#else
++ ftrc = FT_Outline_Get_BBox(&face->face->glyph->outline, &bbox);
++#endif
++ if( ftrc != 0 ) return FTtoXReturnCode(ftrc);
++ bbox.yMin = FLOOR64( bbox.yMin );
++ bbox.yMax = CEIL64 ( bbox.yMax );
++ ht_actual = ( bbox.yMax - bbox.yMin ) >> 6;
++ /* FreeType think a glyph with 0 height control box is invalid.
++ * So just let X to create a empty bitmap instead. */
++ if ( ht_actual == 0 )
++ is_outline = -1;
++ else
++ {
+ ftrc = FT_Render_Glyph(face->face->glyph,FT_RENDER_MODE_MONO);
+ if( ftrc != 0 ) return FTtoXReturnCode(ftrc);
+ is_outline = 1;
+ }
++ }
+ else{
+ is_outline=0;
+ }
+@@ -1197,6 +1334,7 @@
+ if( is_outline == 1 ){
+ if( correct ){
+ if( ft_get_very_lazy_bbox( idx, face->face, instance->size,
++ face->num_hmetrics,
+ instance->ttcap.vl_slant,
+ &instance->transformation.matrix,
+ &bbox, &outline_hori_advance,
+--- XFree86-4.6.0/xc/lib/font/FreeType/ftfuncs.h.orig 2004-04-14 17:32:43.000000000 +0200
++++ XFree86-4.6.0/xc/lib/font/FreeType/ftfuncs.h 2006-07-19 08:17:53.774289000 +0200
+@@ -47,6 +47,7 @@
+ char *filename;
+ FT_Face face;
+ int bitmap;
++ FT_UInt num_hmetrics;
+ struct _FTInstance *instances;
+ struct _FTInstance *active_instance;
+ struct _FTFace *next; /* link to next face in bucket */
+--- XFree86-4.6.0/xc/programs/fonttosfnt/util.c.orig 2005-02-07 02:01:16.000000000 +0100
++++ XFree86-4.6.0/xc/programs/fonttosfnt/util.c 2006-07-19 17:46:00.392569500 +0200
+@@ -34,7 +34,6 @@
+
+ #include <ft2build.h>
+ #include FT_FREETYPE_H
+-#include FT_INTERNAL_OBJECTS_H
+ #include FT_BDF_H
+ #include "X11/Xos.h"
+ #include "fonttosfnt.h"
================================================================
More information about the pld-cvs-commit
mailing list