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-rw-r--r--src/3rdparty/freetype/src/pfr/pfrsbit.c71
1 files changed, 38 insertions, 33 deletions
diff --git a/src/3rdparty/freetype/src/pfr/pfrsbit.c b/src/3rdparty/freetype/src/pfr/pfrsbit.c
index 979bf78a26..bb5df5c9f9 100644
--- a/src/3rdparty/freetype/src/pfr/pfrsbit.c
+++ b/src/3rdparty/freetype/src/pfr/pfrsbit.c
@@ -4,7 +4,7 @@
/* */
/* FreeType PFR bitmap loader (body). */
/* */
-/* Copyright 2002, 2003, 2006, 2009, 2010, 2013 by */
+/* Copyright 2002-2015 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -39,9 +39,9 @@
{
FT_Byte* line; /* current line start */
FT_Int pitch; /* line size in bytes */
- FT_Int width; /* width in pixels/bits */
- FT_Int rows; /* number of remaining rows to scan */
- FT_Int total; /* total number of bits to draw */
+ FT_UInt width; /* width in pixels/bits */
+ FT_UInt rows; /* number of remaining rows to scan */
+ FT_UInt total; /* total number of bits to draw */
} PFR_BitWriterRec, *PFR_BitWriter;
@@ -59,7 +59,7 @@
if ( !decreasing )
{
- writer->line += writer->pitch * ( target->rows - 1 );
+ writer->line += writer->pitch * (FT_Int)( target->rows - 1 );
writer->pitch = -writer->pitch;
}
}
@@ -70,15 +70,15 @@
FT_Byte* p,
FT_Byte* limit )
{
- FT_Int n, reload;
- FT_Int left = writer->width;
+ FT_UInt n, reload;
+ FT_UInt left = writer->width;
FT_Byte* cur = writer->line;
FT_UInt mask = 0x80;
FT_UInt val = 0;
FT_UInt c = 0;
- n = (FT_Int)( limit - p ) * 8;
+ n = (FT_UInt)( limit - p ) * 8;
if ( n > writer->total )
n = writer->total;
@@ -110,7 +110,7 @@
cur[0] = (FT_Byte)c;
mask = 0x80;
c = 0;
- cur ++;
+ cur++;
}
}
@@ -124,8 +124,9 @@
FT_Byte* p,
FT_Byte* limit )
{
- FT_Int n, phase, count, counts[2], reload;
- FT_Int left = writer->width;
+ FT_Int phase, count, counts[2];
+ FT_UInt n, reload;
+ FT_UInt left = writer->width;
FT_Byte* cur = writer->line;
FT_UInt mask = 0x80;
FT_UInt c = 0;
@@ -175,7 +176,7 @@
if ( --left <= 0 )
{
- cur[0] = (FT_Byte) c;
+ cur[0] = (FT_Byte)c;
left = writer->width;
mask = 0x80;
@@ -188,7 +189,7 @@
cur[0] = (FT_Byte)c;
mask = 0x80;
c = 0;
- cur ++;
+ cur++;
}
reload = ( --count <= 0 );
@@ -204,8 +205,9 @@
FT_Byte* p,
FT_Byte* limit )
{
- FT_Int n, phase, count, reload;
- FT_Int left = writer->width;
+ FT_Int phase, count;
+ FT_UInt n, reload;
+ FT_UInt left = writer->width;
FT_Byte* cur = writer->line;
FT_UInt mask = 0x80;
FT_UInt c = 0;
@@ -239,7 +241,7 @@
if ( --left <= 0 )
{
- cur[0] = (FT_Byte) c;
+ cur[0] = (FT_Byte)c;
c = 0;
mask = 0x80;
left = writer->width;
@@ -252,7 +254,7 @@
cur[0] = (FT_Byte)c;
c = 0;
mask = 0x80;
- cur ++;
+ cur++;
}
reload = ( --count <= 0 );
@@ -355,7 +357,8 @@
{
FT_Error error = FT_Err_Ok;
FT_Byte flags;
- FT_Char b;
+ FT_Char c;
+ FT_Byte b;
FT_Byte* p = *pdata;
FT_Long xpos, ypos, advance;
FT_UInt xsize, ysize;
@@ -374,9 +377,9 @@
{
case 0:
PFR_CHECK( 1 );
- b = PFR_NEXT_INT8( p );
- xpos = b >> 4;
- ypos = ( (FT_Char)( b << 4 ) ) >> 4;
+ c = PFR_NEXT_INT8( p );
+ xpos = c >> 4;
+ ypos = ( (FT_Char)( c << 4 ) ) >> 4;
break;
case 1:
@@ -609,8 +612,8 @@
advance = character->advance;
if ( phys->metrics_resolution != phys->outline_resolution )
advance = FT_MulDiv( advance,
- phys->outline_resolution,
- phys->metrics_resolution );
+ (FT_Long)phys->outline_resolution,
+ (FT_Long)phys->metrics_resolution );
glyph->root.linearHoriAdvance = advance;
@@ -618,7 +621,7 @@
/* overridden in the bitmap header of certain glyphs. */
advance = FT_MulDiv( (FT_Fixed)size->root.metrics.x_ppem << 8,
character->advance,
- phys->metrics_resolution );
+ (FT_Long)phys->metrics_resolution );
if ( FT_STREAM_SEEK( face->header.gps_section_offset + gps_offset ) ||
FT_FRAME_ENTER( gps_size ) )
@@ -632,12 +635,14 @@
&advance, &format );
/*
- * XXX: on 16bit system, we return an error for huge bitmap
- * which causes a size truncation, because truncated
- * size properties makes bitmap glyph broken.
+ * XXX: on 16bit systems we return an error for huge bitmaps
+ * that cause size truncation, because truncated
+ * size properties make bitmap glyphs broken.
*/
- if ( xpos > FT_INT_MAX || xpos < FT_INT_MIN ||
- ysize > FT_INT_MAX || ypos + ysize > FT_INT_MAX ||
+ if ( xpos > FT_INT_MAX ||
+ xpos < FT_INT_MIN ||
+ ysize > FT_INT_MAX ||
+ ypos > FT_INT_MAX - (FT_Long)ysize ||
ypos + (FT_Long)ysize < FT_INT_MIN )
{
FT_TRACE1(( "pfr_slot_load_bitmap:" ));
@@ -653,8 +658,8 @@
/* Set up glyph bitmap and metrics */
/* XXX: needs casts to fit FT_Bitmap.{width|rows|pitch} */
- glyph->root.bitmap.width = (FT_Int)xsize;
- glyph->root.bitmap.rows = (FT_Int)ysize;
+ glyph->root.bitmap.width = xsize;
+ glyph->root.bitmap.rows = ysize;
glyph->root.bitmap.pitch = (FT_Int)( xsize + 7 ) >> 3;
glyph->root.bitmap.pixel_mode = FT_PIXEL_MODE_MONO;
@@ -670,11 +675,11 @@
/* XXX: needs casts fit FT_GlyphSlotRec.bitmap_{left|top} */
glyph->root.bitmap_left = (FT_Int)xpos;
- glyph->root.bitmap_top = (FT_Int)(ypos + ysize);
+ glyph->root.bitmap_top = (FT_Int)( ypos + (FT_Long)ysize );
/* Allocate and read bitmap data */
{
- FT_ULong len = glyph->root.bitmap.pitch * ysize;
+ FT_ULong len = (FT_ULong)glyph->root.bitmap.pitch * ysize;
error = ft_glyphslot_alloc_bitmap( &glyph->root, len );
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-04 14:38:27 +0000