Commit 4d1f7af17b4b0966d5ed7fab215fc855fe459345
2015-02-23T07:04:36
[smooth, raster] Re-enable standalone compilation. * src/raster/ftraster.c (FT_RENDER_POOL_SIZE, FT_MAX) [_STANDALONE_]: Define macros. * src/smooth/ftgrays.c (FT_RENDER_POOL_SIZE, FT_MAX, FT_ABS, FT_HYPOT) [_STANDALONE_]: Define macros.
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diff --git a/ChangeLog b/ChangeLog
index 17e4379..9444595 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2015-02-23 Werner Lemberg <wl@gnu.org>
+
+ [smooth, raster] Re-enable standalone compilation.
+
+ * src/raster/ftraster.c (FT_RENDER_POOL_SIZE, FT_MAX)
+ [_STANDALONE_]: Define macros.
+
+ * src/smooth/ftgrays.c (FT_RENDER_POOL_SIZE, FT_MAX, FT_ABS,
+ FT_HYPOT) [_STANDALONE_]: Define macros.
+
2015-02-22 Werner Lemberg <wl@gnu.org>
[smooth] Signedness fixes.
diff --git a/src/raster/ftraster.c b/src/raster/ftraster.c
index 70fe4e7..317cd7d 100644
--- a/src/raster/ftraster.c
+++ b/src/raster/ftraster.c
@@ -49,6 +49,10 @@
#ifdef _STANDALONE_
+ /* The size in bytes of the render pool used by the scan-line converter */
+ /* to do all of its work. */
+#define FT_RENDER_POOL_SIZE 16384L
+
#define FT_CONFIG_STANDARD_LIBRARY_H <stdlib.h>
#include <string.h> /* for memset */
@@ -175,6 +179,8 @@
#define FT_ERR_XCAT( x, y ) x ## y
#define FT_ERR_CAT( x, y ) FT_ERR_XCAT( x, y )
+#define FT_MAX( a, b ) ( (a) > (b) ? (a) : (b) )
+
/* This macro is used to indicate that a function parameter is unused. */
/* Its purpose is simply to reduce compiler warnings. Note also that */
/* simply defining it as `(void)x' doesn't avoid warnings with certain */
@@ -3131,14 +3137,16 @@
}
- FT_DEFINE_RASTER_FUNCS( ft_standard_raster,
+ FT_DEFINE_RASTER_FUNCS(
+ ft_standard_raster,
+
FT_GLYPH_FORMAT_OUTLINE,
+
(FT_Raster_New_Func) ft_black_new,
(FT_Raster_Reset_Func) ft_black_reset,
(FT_Raster_Set_Mode_Func)ft_black_set_mode,
(FT_Raster_Render_Func) ft_black_render,
- (FT_Raster_Done_Func) ft_black_done
- )
+ (FT_Raster_Done_Func) ft_black_done )
/* END */
diff --git a/src/smooth/ftgrays.c b/src/smooth/ftgrays.c
index 2ac451a..77b58f2 100644
--- a/src/smooth/ftgrays.c
+++ b/src/smooth/ftgrays.c
@@ -94,6 +94,11 @@
#ifdef _STANDALONE_
+ /* The size in bytes of the render pool used by the scan-line converter */
+ /* to do all of its work. */
+#define FT_RENDER_POOL_SIZE 16384L
+
+
/* Auxiliary macros for token concatenation. */
#define FT_ERR_XCAT( x, y ) x ## y
#define FT_ERR_CAT( x, y ) FT_ERR_XCAT( x, y )
@@ -101,6 +106,21 @@
#define FT_BEGIN_STMNT do {
#define FT_END_STMNT } while ( 0 )
+#define FT_MAX( a, b ) ( (a) > (b) ? (a) : (b) )
+#define FT_ABS( a ) ( (a) < 0 ? -(a) : (a) )
+
+
+ /*
+ * Approximate sqrt(x*x+y*y) using the `alpha max plus beta min'
+ * algorithm. We use alpha = 1, beta = 3/8, giving us results with a
+ * largest error less than 7% compared to the exact value.
+ */
+#define FT_HYPOT( x, y ) \
+ ( x = FT_ABS( x ), \
+ y = FT_ABS( y ), \
+ x > y ? x + ( 3 * y >> 3 ) \
+ : y + ( 3 * x >> 3 ) )
+
/* define this to dump debugging information */
/* #define FT_DEBUG_LEVEL_TRACE */
@@ -1740,14 +1760,17 @@ typedef ptrdiff_t FT_PtrDist;
} gray_TBand;
- FT_DEFINE_OUTLINE_FUNCS(func_interface,
- (FT_Outline_MoveTo_Func) gray_move_to,
- (FT_Outline_LineTo_Func) gray_line_to,
- (FT_Outline_ConicTo_Func)gray_conic_to,
- (FT_Outline_CubicTo_Func)gray_cubic_to,
- 0,
- 0
- )
+
+ FT_DEFINE_OUTLINE_FUNCS(
+ func_interface,
+
+ (FT_Outline_MoveTo_Func) gray_move_to,
+ (FT_Outline_LineTo_Func) gray_line_to,
+ (FT_Outline_ConicTo_Func)gray_conic_to,
+ (FT_Outline_CubicTo_Func)gray_cubic_to,
+ 0,
+ 0 )
+
static int
gray_convert_glyph_inner( RAS_ARG )
@@ -2090,15 +2113,16 @@ typedef ptrdiff_t FT_PtrDist;
}
- FT_DEFINE_RASTER_FUNCS(ft_grays_raster,
+ FT_DEFINE_RASTER_FUNCS(
+ ft_grays_raster,
+
FT_GLYPH_FORMAT_OUTLINE,
(FT_Raster_New_Func) gray_raster_new,
(FT_Raster_Reset_Func) gray_raster_reset,
(FT_Raster_Set_Mode_Func)gray_raster_set_mode,
(FT_Raster_Render_Func) gray_raster_render,
- (FT_Raster_Done_Func) gray_raster_done
- )
+ (FT_Raster_Done_Func) gray_raster_done )
/* END */