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[raster] Slightly improve the pool design.

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* src/raster/ftraster.c (TProfile): Include the variable array member
and repackage with pointers first.
(New_Profile): Advance the top using the variable array pointer.
This commit is contained in:
Alexei Podtelezhnikov 2023-10-23 17:47:10 -04:00
parent d1e894b1f1
commit a0e10a87f5
1 changed files with 8 additions and 21 deletions
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29
src/raster/ftraster.c
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@ -305,16 +305,6 @@
typedef unsigned char Byte, *PByte;
typedef char Bool;
typedef union Alignment_
{
Long l;
void* p;
void (*f)(void);
} Alignment, *PAlignment;
typedef struct TPoint_
{
Long x;
@ -345,31 +335,28 @@
struct TProfile_
{
FT_F26Dot6 X; /* current coordinate during sweep */
PProfile link; /* link to next profile (various purposes) */
PProfile next; /* next profile in same contour, used */
/* during drop-out control */
PLong offset; /* start of profile's data in render pool */
Long height; /* profile's height in scanlines */
Long start; /* profile's starting scanline */
UShort flags; /* Bit 0-2: drop-out mode */
/* Bit 3: profile orientation (up/down) */
/* Bit 4: is top profile? */
/* Bit 5: is bottom profile? */
Long height; /* profile's height in scanlines */
Long start; /* profile's starting scanline */
Int countL; /* number of lines to step before this */
/* profile becomes drawable */
PProfile next; /* next profile in same contour, used */
/* during drop-out control */
FT_F26Dot6 X; /* current coordinate during sweep */
Long x[1]; /* actually variable array of scanline */
/* intersections with `height` elements */
};
typedef PProfile TProfileList;
typedef PProfile* PProfileList;
#define AlignProfileSize \
( ( sizeof ( TProfile ) + sizeof ( Alignment ) - 1 ) / sizeof ( Long ) )
#undef RAS_ARG
#undef RAS_ARGS
#undef RAS_VAR
@ -670,7 +657,7 @@
if ( !ras.cProfile || ras.cProfile->height )
{
ras.cProfile = (PProfile)ras.top;
ras.top += AlignProfileSize;
ras.top = ras.cProfile->x;
if ( ras.top >= ras.maxBuff )
{