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This commit is contained in:
Werner Lemberg 2005-02-10 16:59:37 +00:00
parent e99b9a99d7
commit 0358b21d85
2 changed files with 28 additions and 15 deletions
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13
ChangeLog
View File

@ -1,14 +1,13 @@
2005-02-10 David Turner <david@freetype.org>
* src/pfr/pfrgload.c (pfr_glyph_load): fixed an unbounded growing
dynamic array when loading a glyph from a PFR font. This fixes
bug #11921
* src/pfr/pfrgload.c (pfr_glyph_load): Fix an unbounded growing
dynamic array when loading a glyph from a PFR font (Savannah bug
#11921).
* src/base/ftbitmap.c (FT_Bitmap_Convert): small improvements to the
conversion function (mainly stupid optimization, because I like
these... shame on me)
* src/base/ftbitmap.c (FT_Bitmap_Convert): Small improvements to the
conversion function (mainly stupid optimization).
* src/base/Jamfile: adding ftbitmap.c to the list of compiled files
* src/base/Jamfile: Adding ftbitmap.c to the list of compiled files.
2005-02-10 Werner Lemberg <wl@gnu.org>

30
src/base/ftbitmap.c
View File

@ -63,6 +63,7 @@
FT_Int pad;
FT_Long old_size;
old_size = target->rows * target->pitch;
if ( old_size < 0 )
old_size = -old_size;
@ -81,7 +82,7 @@
target->pitch = source->width + pad;
if ( target->rows * target->pitch > old_size &&
if ( target->rows * target->pitch > old_size &&
FT_QREALLOC( target->buffer,
old_size, target->rows * target->pitch ) )
return error;
@ -100,6 +101,7 @@
FT_Byte* t = target->buffer;
FT_Int i;
target->num_grays = 2;
for ( i = source->rows; i > 0; i-- )
@ -108,11 +110,13 @@
FT_Byte* tt = t;
FT_Int j;
/* get the full bytes */
for ( j = source->width >> 3; j > 0; j-- )
{
FT_Int val = ss[0]; /* avoid a byte->int cast on each line */
tt[0] = (FT_Byte)( ( val & 0x80 ) >> 7 );
tt[1] = (FT_Byte)( ( val & 0x40 ) >> 6 );
tt[2] = (FT_Byte)( ( val & 0x20 ) >> 5 );
@ -132,9 +136,10 @@
{
FT_Int val = *ss;
for ( ; j > 0; j-- )
{
tt[0] = (FT_Byte)(( val & 0x80 ) >> 7);
tt[0] = (FT_Byte)( ( val & 0x80 ) >> 7);
val <<= 1;
tt += 1;
}
@ -156,6 +161,7 @@
FT_Int t_pitch = target->pitch;
FT_Int i;
target->num_grays = 256;
for ( i = source->rows; i > 0; i-- )
@ -175,6 +181,7 @@
FT_Byte* t = target->buffer;
FT_Int i;
target->num_grays = 4;
for ( i = source->rows; i > 0; i-- )
@ -183,15 +190,17 @@
FT_Byte* tt = t;
FT_Int j;
/* get the full bytes */
for ( j = source->width >> 2; j > 0; j-- )
{
FT_Int val = ss[0];
tt[0] = (FT_Byte)( (val & 0xC0) >> 6 );
tt[1] = (FT_Byte)( (val & 0x30) >> 4 );
tt[2] = (FT_Byte)( (val & 0x0C) >> 2 );
tt[3] = (FT_Byte)( (val & 0x03) );
tt[0] = (FT_Byte)( ( val & 0xC0 ) >> 6 );
tt[1] = (FT_Byte)( ( val & 0x30 ) >> 4 );
tt[2] = (FT_Byte)( ( val & 0x0C ) >> 2 );
tt[3] = (FT_Byte)( ( val & 0x03 ) );
ss += 1;
tt += 4;
@ -202,6 +211,7 @@
{
FT_Int val = ss[0];
for ( ; j > 0; j-- )
{
tt[0] = (FT_Byte)( ( val & 0xC0 ) >> 6 );
@ -223,6 +233,7 @@
FT_Byte* t = target->buffer;
FT_Int i;
target->num_grays = 16;
for ( i = source->rows; i > 0; i-- )
@ -231,13 +242,15 @@
FT_Byte* tt = t;
FT_Int j;
/* get the full bytes */
for ( j = source->width >> 1; j > 0; j-- )
{
FT_Int val = ss[0];
tt[0] = (FT_Byte)( (val & 0xF0) >> 4 );
tt[1] = (FT_Byte)( (val & 0x0F) );
tt[0] = (FT_Byte)( ( val & 0xF0 ) >> 4 );
tt[1] = (FT_Byte)( ( val & 0x0F ) );
ss += 1;
tt += 2;
@ -252,6 +265,7 @@
}
break;
default:
;
}