efl/legacy/evas/src/lib/engines/common/evas_gradient_radial.c

1071 lines
26 KiB
C

#include "evas_common.h"
#include <math.h>
typedef struct _Radial_Data Radial_Data;
struct _Radial_Data
{
int sx, sy, s;
float r0, off;
};
static Radial_Data radial_data = {32, 32, 32, 0.0, 0.0};
static void
radial_setup_geom(RGBA_Gradient *gr, int spread);
static int
radial_has_alpha(RGBA_Gradient *gr, int spread, int op);
static int
radial_has_mask(RGBA_Gradient *gr, int spread, int op);
static int
radial_get_map_len(RGBA_Gradient *gr, int spread);
static Gfx_Func_Gradient_Fill
radial_get_fill_func(RGBA_Gradient *gr, int spread, int op, unsigned char aa);
static RGBA_Gradient_Type radial = {"radial", &radial_data, radial_setup_geom, radial_has_alpha, radial_has_mask, radial_get_map_len, radial_get_fill_func};
/** internal functions **/
static void
radial_reflect(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data);
static void
radial_reflect_aa(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data);
static void
radial_reflect_masked(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data);
static void
radial_reflect_aa_masked(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data);
static void
radial_repeat(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data);
static void
radial_repeat_aa(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data);
static void
radial_repeat_masked(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data);
static void
radial_repeat_aa_masked(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data);
static void
radial_restrict_reflect(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data);
static void
radial_restrict_reflect_aa(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data);
static void
radial_restrict_reflect_masked(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data);
static void
radial_restrict_reflect_aa_masked(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data);
static void
radial_restrict_repeat(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data);
static void
radial_restrict_repeat_aa(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data);
static void
radial_restrict_repeat_masked(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data);
static void
radial_restrict_repeat_aa_masked(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data);
static void
radial_pad(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data);
static void
radial_pad_aa(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data);
static void
radial_pad_masked(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data);
static void
radial_pad_aa_masked(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data);
RGBA_Gradient_Type *
evas_common_gradient_radial_get(void)
{
return &radial;
}
static void
radial_setup_geom(RGBA_Gradient *gr, int spread)
{
int err = 1;
char *s, *p, key[256];
float f = 0.0;
if (!gr || (gr->type.geometer != &radial)) return;
radial_data.sx = gr->fill.w;
radial_data.sy = gr->fill.h;
radial_data.s = radial_data.sx;
if (radial_data.sy > radial_data.sx)
radial_data.s = radial_data.sy;
radial_data.r0 = 0.0;
radial_data.off = gr->range_offset;
if (!gr->type.params || !*(gr->type.params))
return;
s = strdup(gr->type.params);
if (!s) return;
p = s;
while ((p = evas_common_gradient_get_key_fval(p, key, &f)))
{
if (!strcmp(key, "inner_radius"))
err = 0;
else
{
err = 1;
break;
}
}
if (!err)
{
if (f < 0.0) f = 0.0;
if (f > 1.0) f = 1.0;
radial_data.r0 = f;
}
free(s);
}
static int
radial_has_alpha(RGBA_Gradient *gr, int spread, int op)
{
if (!gr || (gr->type.geometer != &radial)) return 0;
if (gr->has_alpha | gr->map.has_alpha)
return 1;
if ( (op == _EVAS_RENDER_COPY) || (op == _EVAS_RENDER_COPY_REL) ||
(op == _EVAS_RENDER_MASK) || (op == _EVAS_RENDER_MUL) )
return 0;
if (radial_data.r0 > 0)
return 1;
if ( (spread == _EVAS_TEXTURE_RESTRICT) ||
(spread == _EVAS_TEXTURE_RESTRICT_REFLECT) ||
(spread == _EVAS_TEXTURE_RESTRICT_REPEAT) )
return 1;
return 0;
}
static int
radial_has_mask(RGBA_Gradient *gr, int spread, int op)
{
if (!gr || (gr->type.geometer != &radial)) return 0;
if ( (op == _EVAS_RENDER_COPY) || (op == _EVAS_RENDER_COPY_REL) ||
(op == _EVAS_RENDER_MASK) || (op == _EVAS_RENDER_MUL) )
{
if (radial_data.r0 > 0)
return 1;
if ( (spread == _EVAS_TEXTURE_RESTRICT) ||
(spread == _EVAS_TEXTURE_RESTRICT_REFLECT) ||
(spread == _EVAS_TEXTURE_RESTRICT_REPEAT) )
return 1;
}
return 0;
}
static int
radial_get_map_len(RGBA_Gradient *gr, int spread)
{
int l;
if (!gr || (gr->type.geometer != &radial)) return 0;
l = radial_data.s;
l -= (int)(l * radial_data.r0);
return l;
}
static Gfx_Func_Gradient_Fill
radial_get_fill_func(RGBA_Gradient *gr, int spread, int op, unsigned char aa)
{
Gfx_Func_Gradient_Fill sfunc = NULL;
int masked_op = 0;
if (!gr || (gr->type.geometer != &radial)) return sfunc;
if ( (op == _EVAS_RENDER_COPY) || (op == _EVAS_RENDER_COPY_REL) ||
(op == _EVAS_RENDER_MASK) || (op == _EVAS_RENDER_MUL) )
masked_op = 1;
switch (spread)
{
case _EVAS_TEXTURE_REFLECT:
{
if (aa)
{
if (radial_data.r0 > 0)
{
if (masked_op)
sfunc = radial_reflect_aa_masked;
else
sfunc = radial_reflect_aa;
}
else
sfunc = radial_reflect_aa;
}
else
{
if (radial_data.r0 > 0)
{
if (masked_op)
sfunc = radial_reflect_masked;
else
sfunc = radial_reflect;
}
else
sfunc = radial_reflect;
}
}
break;
case _EVAS_TEXTURE_REPEAT:
{
if (aa)
{
if (radial_data.r0 > 0)
{
if (masked_op)
sfunc = radial_repeat_aa_masked;
else
sfunc = radial_repeat_aa;
}
else
sfunc = radial_repeat_aa;
}
else
{
if (radial_data.r0 > 0)
{
if (masked_op)
sfunc = radial_repeat_masked;
else
sfunc = radial_repeat;
}
else
sfunc = radial_repeat;
}
}
break;
case _EVAS_TEXTURE_RESTRICT:
radial_data.off = 0;
case _EVAS_TEXTURE_RESTRICT_REFLECT:
{
if (aa)
{
if (masked_op)
sfunc = radial_restrict_reflect_aa_masked;
else
sfunc = radial_restrict_reflect_aa;
}
else
{
if (masked_op)
sfunc = radial_restrict_reflect_masked;
else
sfunc = radial_restrict_reflect;
}
}
break;
case _EVAS_TEXTURE_RESTRICT_REPEAT:
{
if (aa)
{
if (masked_op)
sfunc = radial_restrict_repeat_aa_masked;
else
sfunc = radial_restrict_repeat_aa;
}
else
{
if (masked_op)
sfunc = radial_restrict_repeat_masked;
else
sfunc = radial_restrict_repeat;
}
}
break;
case _EVAS_TEXTURE_PAD:
{
if (aa)
{
if (masked_op)
sfunc = radial_pad_aa_masked;
else
sfunc = radial_pad_aa;
}
else
{
if (masked_op)
sfunc = radial_pad_masked;
else
sfunc = radial_pad;
}
}
break;
default:
sfunc = radial_reflect_aa;
break;
}
return sfunc;
}
#define SETUP_RADIAL_FILL \
if (gdata->sx != gdata->s) \
{ \
axx = (gdata->s * axx) / gdata->sx; \
axy = (gdata->s * axy) / gdata->sx; \
} \
if (gdata->sy != gdata->s) \
{ \
ayy = (gdata->s * ayy) / gdata->sy; \
ayx = (gdata->s * ayx) / gdata->sy; \
} \
xx = (axx * x) + (axy * y); \
yy = (ayx * x) + (ayy * y); \
rr0 = gdata->r0 * gdata->s; \
rr0 <<= 16;
static void
radial_reflect(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data)
{
DATA32 *dst_end = dst + dst_len;
Radial_Data *gdata = (Radial_Data *)params_data;
int xx, yy, rr0;
int off = gdata->off * (map_len - 1);
SETUP_RADIAL_FILL
while (dst < dst_end)
{
int ll = (hypot(xx, yy) - rr0);
int l = (ll >> 16);
l += (ll - (l << 16)) >> 15;
*dst = 0;
if (l >= 0)
{
l += off;
if (l < 0) l = -l;
if (l >= map_len)
{
int m = (l % (2 * map_len));
l = (l % map_len);
if (m >= map_len)
l = map_len - l - 1;
}
*dst = map[l];
}
dst++; xx += axx; yy += ayx;
}
}
static void
radial_reflect_aa(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data)
{
DATA32 *dst_end = dst + dst_len;
Radial_Data *gdata = (Radial_Data *)params_data;
int xx, yy, rr0;
int off = gdata->off * (map_len - 1);
SETUP_RADIAL_FILL
while (dst < dst_end)
{
int ll = (hypot(xx, yy) - rr0);
int l = (ll >> 16), lp;
*dst = 0;
if (l >= 0)
{
DATA32 a = 1 + ((ll - (l << 16)) >> 8), a0 = a;
lp = l + off;
if (lp < 0) { lp = -lp; a = 257 - a; }
if (lp >= map_len)
{
int m = (lp % (2 * map_len));
lp = (lp % map_len);
if (m >= map_len)
{ lp = map_len - lp - 1; a = 257 - a; }
}
*dst = map[lp];
if (lp + 1 < map_len)
*dst = INTERP_256(a, map[lp + 1], *dst);
if ((l == 0) && rr0)
*dst = MUL_A_256(a0, *dst) + (*dst & 0x00ffffff);
}
dst++; xx += axx; yy += ayx;
}
}
static void
radial_reflect_masked(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data)
{
DATA32 *dst_end = dst + dst_len;
Radial_Data *gdata = (Radial_Data *)params_data;
int xx, yy, rr0;
int off = gdata->off * (map_len - 1);
SETUP_RADIAL_FILL
while (dst < dst_end)
{
int ll = (hypot(xx, yy) - rr0);
int l = (ll >> 16);
l += (ll - (l << 16)) >> 15;
*dst = 0; *mask = 0;
if (l >= 0)
{
l += off;
if (l < 0) l = -l;
if (l >= map_len)
{
int m = (l % (2 * map_len));
l = (l % map_len);
if (m >= map_len)
l = map_len - l - 1;
}
*dst = map[l]; *mask = 255;
}
dst++; mask++; xx += axx; yy += ayx;
}
}
static void
radial_reflect_aa_masked(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data)
{
DATA32 *dst_end = dst + dst_len;
Radial_Data *gdata = (Radial_Data *)params_data;
int xx, yy, rr0;
int off = gdata->off * (map_len - 1);
SETUP_RADIAL_FILL
while (dst < dst_end)
{
int ll = (hypot(xx, yy) - rr0);
int l = (ll >> 16), lp;
*dst = 0; *mask = 0;
if (l >= 0)
{
DATA32 a = 1 + ((ll - (l << 16)) >> 8), a0 = a - 1;
lp = l + off;
if (lp < 0) { lp = -lp; a = 257 - a; }
if (lp >= map_len)
{
int m = (lp % (2 * map_len));
lp = (lp % map_len);
if (m >= map_len)
{ lp = map_len - lp - 1; a = 257 - a; }
}
*dst = map[lp]; *mask = 255;
if (lp + 1 < map_len)
*dst = INTERP_256(a, map[lp + 1], *dst);
if ((l == 0) && rr0)
*mask = a0;
}
dst++; mask++; xx += axx; yy += ayx;
}
}
static void
radial_repeat(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data)
{
DATA32 *dst_end = dst + dst_len;
Radial_Data *gdata = (Radial_Data *)params_data;
int xx, yy, rr0;
int off = gdata->off * (map_len - 1);
SETUP_RADIAL_FILL
while (dst < dst_end)
{
int ll = (hypot(xx, yy) - rr0);
int l = (ll >> 16);
l += (ll - (l << 16)) >> 15;
*dst = 0;
if (l >= 0)
{
l += off;
l = l % map_len;
if (l < 0)
l += map_len;
*dst = map[l];
}
dst++; xx += axx; yy += ayx;
}
}
static void
radial_repeat_aa(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data)
{
DATA32 *dst_end = dst + dst_len;
Radial_Data *gdata = (Radial_Data *)params_data;
int xx, yy, rr0;
int off = gdata->off * (map_len - 1);
SETUP_RADIAL_FILL
while (dst < dst_end)
{
int ll = (hypot(xx, yy) - rr0);
int l = (ll >> 16), lp;
*dst = 0;
if (l >= 0)
{
DATA32 a = 1 + ((ll - (l << 16)) >> 8);
lp = l + off;
lp = lp % map_len;
if (lp < 0)
lp += map_len;
*dst = map[lp];
if (lp + 1 < map_len)
*dst = INTERP_256(a, map[lp + 1], *dst);
if (lp == map_len - 1)
*dst = INTERP_256(a, map[0], *dst);
if ((l == 0) && rr0)
*dst = MUL_A_256(a, *dst) + (*dst & 0x00ffffff);
}
dst++; xx += axx; yy += ayx;
}
}
static void
radial_repeat_masked(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data)
{
DATA32 *dst_end = dst + dst_len;
Radial_Data *gdata = (Radial_Data *)params_data;
int xx, yy, rr0;
int off = gdata->off * (map_len - 1);
SETUP_RADIAL_FILL
while (dst < dst_end)
{
int ll = (hypot(xx, yy) - rr0);
int l = (ll >> 16);
l += (ll - (l << 16)) >> 15;
*dst = 0; *mask = 0;
if (l >= 0)
{
l += off;
l = l % map_len;
if (l < 0)
l += map_len;
*dst = map[l]; *mask = 255;
}
dst++; mask++; xx += axx; yy += ayx;
}
}
static void
radial_repeat_aa_masked(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data)
{
DATA32 *dst_end = dst + dst_len;
Radial_Data *gdata = (Radial_Data *)params_data;
int xx, yy, rr0;
int off = gdata->off * (map_len - 1);
SETUP_RADIAL_FILL
while (dst < dst_end)
{
int ll = (hypot(xx, yy) - rr0);
int l = (ll >> 16), lp;
*dst = 0;
if (l >= 0)
{
DATA32 a = 1 + ((ll - (l << 16)) >> 8);
lp = l + off;
lp = lp % map_len;
if (lp < 0)
lp += map_len;
*dst = map[lp]; *mask = 255;
if (lp + 1 < map_len)
*dst = INTERP_256(a, map[lp + 1], *dst);
if (lp == map_len - 1)
*dst = INTERP_256(a, map[0], *dst);
if ((l == 0) && rr0)
*mask = a - 1;
}
dst++; mask++; xx += axx; yy += ayx;
}
}
static void
radial_restrict_reflect(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data)
{
DATA32 *dst_end = dst + dst_len;
Radial_Data *gdata = (Radial_Data *)params_data;
int xx, yy, rr0;
int off = gdata->off * (map_len - 1);
SETUP_RADIAL_FILL
while (dst < dst_end)
{
int ll = (hypot(xx, yy) - rr0);
int l = (ll >> 16);
l += (ll - (l << 16)) >> 15;
*dst = 0;
if ((unsigned)l < map_len)
{
l += off;
if (l < 0) l = -l;
if (l >= map_len)
{
int m = (l % (2 * map_len));
l = (l % map_len);
if (m >= map_len)
l = map_len - l - 1;
}
*dst = map[l];
}
dst++; xx += axx; yy += ayx;
}
}
static void
radial_restrict_reflect_aa(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data)
{
DATA32 *dst_end = dst + dst_len;
Radial_Data *gdata = (Radial_Data *)params_data;
int xx, yy, rr0;
int off = gdata->off * (map_len - 1);
SETUP_RADIAL_FILL
while (dst < dst_end)
{
int ll = (hypot(xx, yy) - rr0);
int l = (ll >> 16), lp;
*dst = 0;
if ((unsigned)l < map_len)
{
DATA32 a = 1 + ((ll - (l << 16)) >> 8), a0 = a;
lp = l + off;
if (lp < 0) { lp = -lp; a = 257 - a; }
if (lp >= map_len)
{
int m = (lp % (2 * map_len));
lp = (lp % map_len);
if (m >= map_len)
{ lp = map_len - lp - 1; a = 257 - a; }
}
*dst = map[lp];
if (lp + 1 < map_len)
*dst = INTERP_256(a, map[lp + 1], *dst);
if (l == (map_len - 1))
*dst = MUL_A_256(257 - a0, *dst) + (*dst & 0x00ffffff);
if ((l == 0) && rr0)
*dst = MUL_A_256(a0, *dst) + (*dst & 0x00ffffff);
}
dst++; xx += axx; yy += ayx;
}
}
static void
radial_restrict_reflect_masked(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data)
{
DATA32 *dst_end = dst + dst_len;
Radial_Data *gdata = (Radial_Data *)params_data;
int xx, yy, rr0;
int off = gdata->off * (map_len - 1);
SETUP_RADIAL_FILL
while (dst < dst_end)
{
int ll = (hypot(xx, yy) - rr0);
int l = (ll >> 16);
l += (ll - (l << 16)) >> 15;
*dst = 0; *mask = 0;
if ((unsigned)l < map_len)
{
l += off;
if (l < 0) l = -l;
if (l >= map_len)
{
int m = (l % (2 * map_len));
l = (l % map_len);
if (m >= map_len)
l = map_len - l - 1;
}
*dst = map[l]; *mask = 255;
}
dst++; mask++; xx += axx; yy += ayx;
}
}
static void
radial_restrict_reflect_aa_masked(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data)
{
DATA32 *dst_end = dst + dst_len;
Radial_Data *gdata = (Radial_Data *)params_data;
int xx, yy, rr0;
int off = gdata->off * (map_len - 1);
SETUP_RADIAL_FILL
while (dst < dst_end)
{
int ll = (hypot(xx, yy) - rr0);
int l = (ll >> 16), lp;
*dst = 0; *mask = 0;
if ((unsigned)l < map_len)
{
DATA32 a = 1 + ((ll - (l << 16)) >> 8), a0 = a - 1;
lp = l + off;
if (lp < 0) { lp = -lp; a = 257 - a; }
if (lp >= map_len)
{
int m = (lp % (2 * map_len));
lp = (lp % map_len);
if (m >= map_len)
{ lp = map_len - lp - 1; a = 257 - a; }
}
*dst = map[lp]; *mask = 255;
if (lp + 1 < map_len)
*dst = INTERP_256(a, map[lp + 1], *dst);
if (l == (map_len - 1))
*mask = 255 - a0;
if ((l == 0) && rr0)
*mask = a0;
}
dst++; mask++; xx += axx; yy += ayx;
}
}
static void
radial_restrict_repeat(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data)
{
DATA32 *dst_end = dst + dst_len;
Radial_Data *gdata = (Radial_Data *)params_data;
int xx, yy, rr0;
int off = gdata->off * (map_len - 1);
SETUP_RADIAL_FILL
while (dst < dst_end)
{
int ll = (hypot(xx, yy) - rr0);
int l = (ll >> 16);
l += (ll - (l << 16)) >> 15;
*dst = 0;
if ((unsigned)l < map_len)
{
l += off;
l = (l % map_len);
if (l < 0)
l += map_len;
*dst = map[l];
}
dst++; xx += axx; yy += ayx;
}
}
static void
radial_restrict_repeat_aa(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data)
{
DATA32 *dst_end = dst + dst_len;
Radial_Data *gdata = (Radial_Data *)params_data;
int xx, yy, rr0;
int off = gdata->off * (map_len - 1);
SETUP_RADIAL_FILL
while (dst < dst_end)
{
int ll = (hypot(xx, yy) - rr0);
int l = (ll >> 16), lp;
*dst = 0;
if ((unsigned)l < map_len)
{
DATA32 a = 1 + ((ll - (l << 16)) >> 8);
lp = l + off;
lp = (lp % map_len);
if (lp < 0)
lp += map_len;
*dst = map[lp];
if (lp + 1 < map_len)
*dst = INTERP_256(a, map[lp + 1], *dst);
if (lp == (map_len - 1))
*dst = INTERP_256(a, map[0], *dst);
if (l == (map_len - 1))
*dst = MUL_A_256(257 - a, *dst) + (*dst & 0x00ffffff);
if ((l == 0) && rr0)
*dst = MUL_A_256(a, *dst) + (*dst & 0x00ffffff);
}
dst++; xx += axx; yy += ayx;
}
}
static void
radial_restrict_repeat_masked(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data)
{
DATA32 *dst_end = dst + dst_len;
Radial_Data *gdata = (Radial_Data *)params_data;
int xx, yy, rr0;
int off = gdata->off * (map_len - 1);
SETUP_RADIAL_FILL
while (dst < dst_end)
{
int ll = (hypot(xx, yy) - rr0);
int l = (ll >> 16);
l += (ll - (l << 16)) >> 15;
*dst = 0; *mask = 0;
if ((unsigned)l < map_len)
{
l += off;
l = (l % map_len);
if (l < 0)
l += map_len;
*dst = map[l]; *mask = 255;
}
dst++; mask++; xx += axx; yy += ayx;
}
}
static void
radial_restrict_repeat_aa_masked(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data)
{
DATA32 *dst_end = dst + dst_len;
Radial_Data *gdata = (Radial_Data *)params_data;
int xx, yy, rr0;
int off = gdata->off * (map_len - 1);
SETUP_RADIAL_FILL
while (dst < dst_end)
{
int ll = (hypot(xx, yy) - rr0);
int l = (ll >> 16), lp;
*dst = 0; *mask = 0;
if ((unsigned)l < map_len)
{
DATA32 a = 1 + ((ll - (l << 16)) >> 8);
lp = l + off;
lp = (lp % map_len);
if (lp < 0)
lp += map_len;
*dst = map[lp]; *mask = 255;
if (lp + 1 < map_len)
*dst = INTERP_256(a, map[lp + 1], *dst);
if (lp == (map_len - 1))
*dst = INTERP_256(a, map[0], *dst);
if (l == (map_len - 1))
*mask = 256 - a;
if ((l == 0) && rr0)
*mask = a - 1;
}
dst++; mask++; xx += axx; yy += ayx;
}
}
static void
radial_pad(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data)
{
DATA32 *dst_end = dst + dst_len;
Radial_Data *gdata = (Radial_Data *)params_data;
int xx, yy, rr0;
SETUP_RADIAL_FILL
while (dst < dst_end)
{
int ll = (hypot(xx, yy) - rr0);
int l = (ll >> 16);
l += (ll - (l << 16)) >> 15;
*dst = 0;
if (l >= 0)
{
if (l >= map_len)
l = map_len - 1;
*dst = map[l];
}
dst++; xx += axx; yy += ayx;
}
}
static void
radial_pad_aa(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data)
{
DATA32 *dst_end = dst + dst_len;
Radial_Data *gdata = (Radial_Data *)params_data;
int xx, yy, rr0;
SETUP_RADIAL_FILL
while (dst < dst_end)
{
int ll = (hypot(xx, yy) - rr0);
int l = (ll >> 16);
DATA32 a = 1 + ((ll - (l << 16)) >> 8);
*dst = 0;
if ((unsigned)l < map_len)
{
*dst = map[l];
if (l + 1 < map_len)
*dst = INTERP_256(a, map[l + 1], map[l]);
}
if (l == 0)
{
*dst = map[0];
if (rr0)
*dst = MUL_A_256(a, *dst) + (*dst & 0x00ffffff);
}
if (l >= map_len)
{
*dst = map[map_len - 1];
}
dst++; xx += axx; yy += ayx;
}
}
static void
radial_pad_masked(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data)
{
DATA32 *dst_end = dst + dst_len;
Radial_Data *gdata = (Radial_Data *)params_data;
int xx, yy, rr0;
SETUP_RADIAL_FILL
while (dst < dst_end)
{
int ll = (hypot(xx, yy) - rr0);
int l = (ll >> 16);
l += (ll - (l << 16)) >> 15;
*dst = 0; *mask = 0;
if (l >= 0)
{
if (l >= map_len)
l = map_len - 1;
*dst = map[l]; *mask = 255;
}
dst++; mask++; xx += axx; yy += ayx;
}
}
static void
radial_pad_aa_masked(DATA32 *map, int map_len, DATA32 *dst, DATA8 *mask, int dst_len,
int x, int y, int axx, int axy, int ayx, int ayy, void *params_data)
{
DATA32 *dst_end = dst + dst_len;
Radial_Data *gdata = (Radial_Data *)params_data;
int xx, yy, rr0;
SETUP_RADIAL_FILL
while (dst < dst_end)
{
int ll = (hypot(xx, yy) - rr0);
int l = (ll >> 16);
DATA32 a = 1 + ((ll - (l << 16)) >> 8);
*dst = 0; *mask = 0;
if ((unsigned)l < map_len)
{
*dst = map[l];
if (l + 1 < map_len)
*dst = INTERP_256(a, map[l + 1], map[l]);
}
if (l == 0)
{
*dst = map[0]; *mask = 255;
if (rr0)
*mask = a - 1;
}
if (l >= map_len)
{
*dst = map[map_len - 1]; *mask = 255;
}
dst++; mask++; xx += axx; yy += ayx;
}
}