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#define BILINEAR_HALF_TO_FULL_SCALE 1
{
int Cx, Cy, i, j;
DATA32 *dptr, *sptr, *pix, *pbuf;
DATA8 *mask;
int a, r, g, b, rx, gx, bx, ax;
int xap, yap, pos;
int y = 0;
#ifdef BILINEAR_HALF_TO_FULL_SCALE
Eina_Bool bilinear_downscale = EINA_FALSE;
#endif
DATA32 **yp;
int *xp;
int w = dst_clip_w;
#ifdef BILINEAR_HALF_TO_FULL_SCALE
if (// image is not too big so that cululative error on steps might be
// noticeable
(dst_region_w <= 4096) &&
(dst_region_h <= 4096) &&
(src_region_w <= 4096) &&
(src_region_h <= 4096) &&
// if image scale is between 50% size and up to 100% of size of
// original, then do a special case bilinear interplation scale
(dst_region_w >= (src_region_w / 2)) &&
(dst_region_h >= (src_region_h / 2)))
bilinear_downscale = EINA_TRUE;
#endif
dptr = dst_ptr;
pos = (src_region_y * src_w) + src_region_x;
//dyy = dst_clip_y - dst_region_y;
//dxx = dst_clip_x - dst_region_x;
xp = xpoints;// + dxx;
yp = ypoints;// + dyy;
xapp = xapoints;// + dxx;
yapp = yapoints;// + dyy;
pbuf = buf;
/*#ifndef SCALE_USING_MMX */
/* for now there's no mmx down scaling - so C only */
#if 1
if (src->cache_entry.flags.alpha)
{
#ifdef BILINEAR_HALF_TO_FULL_SCALE
if (bilinear_downscale)
{
DATA32 *lptr, *p1, *p2, *p3, *p4;
unsigned int xpos, ypos, xfrac, yfrac, invxfrac, invyfrac;
unsigned int xstep, ystep;
unsigned int a1, a2, r1, g1, b1, r2, g2, b2;
pix = src_data + (src_region_y * src_w) + src_region_x;
xstep = (src_region_w << 16) / dst_region_w;
ystep = (src_region_h << 16) / dst_region_h;
ypos = (dst_clip_y - dst_region_y) * ystep;
while (dst_clip_h--)
{
xpos = (dst_clip_x - dst_region_x) * xstep;
lptr = pix + ((ypos >> 16) * src_w);
if ((ypos >> 16) < ((unsigned int)src_h - 1))
{
yfrac = ypos & 0xffff;
invyfrac = 0x10000 - yfrac;
while (dst_clip_w--)
{
p1 = lptr + (xpos >> 16);
p2 = p1 + 1;
p3 = p1 + src_w;
p4 = p3 + 1;
xfrac = xpos & 0xffff;
invxfrac = 0x10000 - xfrac;
if (xfrac > 0)
{
a1 = ((invxfrac * A_VAL(p1)) + (xfrac * A_VAL(p2))) >> 16;
a2 = ((invxfrac * A_VAL(p3)) + (xfrac * A_VAL(p4))) >> 16;
r1 = ((invxfrac * R_VAL(p1)) + (xfrac * R_VAL(p2))) >> 16;
r2 = ((invxfrac * R_VAL(p3)) + (xfrac * R_VAL(p4))) >> 16;
g1 = ((invxfrac * G_VAL(p1)) + (xfrac * G_VAL(p2))) >> 16;
g2 = ((invxfrac * G_VAL(p3)) + (xfrac * G_VAL(p4))) >> 16;
b1 = ((invxfrac * B_VAL(p1)) + (xfrac * B_VAL(p2))) >> 16;
b2 = ((invxfrac * B_VAL(p3)) + (xfrac * B_VAL(p4))) >> 16;
}
else
{
a1 = A_VAL(p1);
a2 = A_VAL(p3);
r1 = R_VAL(p1);
r2 = R_VAL(p3);
g1 = G_VAL(p1);
g2 = G_VAL(p3);
b1 = B_VAL(p1);
b2 = B_VAL(p3);
}
a = ((invyfrac * a1) + (yfrac * a2)) >> 16;
r = ((invyfrac * r1) + (yfrac * r2)) >> 16;
g = ((invyfrac * g1) + (yfrac * g2)) >> 16;
b = ((invyfrac * b1) + (yfrac * b2)) >> 16;
*pbuf++ = ARGB_JOIN(a, r, g, b);
xpos += xstep;
}
}
else
{
while (dst_clip_w--)
{
p1 = lptr + (xpos >> 16);
p2 = p1 + 1;
xfrac = xpos & 0xffff;
invxfrac = 0x10000 - xfrac;
if (xfrac > 0)
{
a = ((invxfrac * A_VAL(p1)) + (xfrac * A_VAL(p2))) >> 16;
r = ((invxfrac * R_VAL(p1)) + (xfrac * R_VAL(p2))) >> 16;
g = ((invxfrac * G_VAL(p1)) + (xfrac * G_VAL(p2))) >> 16;
b = ((invxfrac * B_VAL(p1)) + (xfrac * B_VAL(p2))) >> 16;
}
else
{
a = A_VAL(p1);
r = R_VAL(p1);
g = G_VAL(p1);
b = B_VAL(p1);
}
*pbuf++ = ARGB_JOIN(a, r, g, b);
xpos += xstep;
}
}
if (!mask_ie)
func(buf, NULL, mul_col, dptr, w);
else
{
mask = mask_ie->image.data8
+ ((dst_clip_y - mask_y + y) * mask_ie->cache_entry.w)
+ (dst_clip_x - mask_x);
if (mul_col != 0xffffffff)
func2(buf, NULL, mul_col, buf, w);
func(buf, mask, 0, dptr, w);
}
y++;
pbuf = buf;
ypos += ystep;
dptr += dst_w; dst_clip_w = w;
}
}
else
#endif
{
while (dst_clip_h--)
{
Cy = *yapp >> 16;
yap = *yapp & 0xffff;
while (dst_clip_w--)
{
Cx = *xapp >> 16;
xap = *xapp & 0xffff;
sptr = *yp + *xp + pos;
pix = sptr;
sptr += src_w;
ax = (A_VAL(pix) * xap) >> 9;
rx = (R_VAL(pix) * xap) >> 9;
gx = (G_VAL(pix) * xap) >> 9;
bx = (B_VAL(pix) * xap) >> 9;
pix++;
for (i = (1 << 14) - xap; i > Cx; i -= Cx)
{
ax += (A_VAL(pix) * Cx) >> 9;
rx += (R_VAL(pix) * Cx) >> 9;
gx += (G_VAL(pix) * Cx) >> 9;
bx += (B_VAL(pix) * Cx) >> 9;
pix++;
}
if (i > 0)
{
ax += (A_VAL(pix) * i) >> 9;
rx += (R_VAL(pix) * i) >> 9;
gx += (G_VAL(pix) * i) >> 9;
bx += (B_VAL(pix) * i) >> 9;
}
a = (ax * yap) >> 14;
r = (rx * yap) >> 14;
g = (gx * yap) >> 14;
b = (bx * yap) >> 14;
for (j = (1 << 14) - yap; j > Cy; j -= Cy)
{
pix = sptr;
sptr += src_w;
ax = (A_VAL(pix) * xap) >> 9;
rx = (R_VAL(pix) * xap) >> 9;
gx = (G_VAL(pix) * xap) >> 9;
bx = (B_VAL(pix) * xap) >> 9;
pix++;
for (i = (1 << 14) - xap; i > Cx; i -= Cx)
{
ax += (A_VAL(pix) * Cx) >> 9;
rx += (R_VAL(pix) * Cx) >> 9;
gx += (G_VAL(pix) * Cx) >> 9;
bx += (B_VAL(pix) * Cx) >> 9;
pix++;
}
if (i > 0)
{
ax += (A_VAL(pix) * i) >> 9;
rx += (R_VAL(pix) * i) >> 9;
gx += (G_VAL(pix) * i) >> 9;
bx += (B_VAL(pix) * i) >> 9;
}
a += (ax * Cy) >> 14;
r += (rx * Cy) >> 14;
g += (gx * Cy) >> 14;
b += (bx * Cy) >> 14;
}
if (j > 0)
{
pix = sptr;
sptr += src_w;
ax = (A_VAL(pix) * xap) >> 9;
rx = (R_VAL(pix) * xap) >> 9;
gx = (G_VAL(pix) * xap) >> 9;
bx = (B_VAL(pix) * xap) >> 9;
pix++;
for (i = (1 << 14) - xap; i > Cx; i -= Cx)
{
ax += (A_VAL(pix) * Cx) >> 9;
rx += (R_VAL(pix) * Cx) >> 9;
gx += (G_VAL(pix) * Cx) >> 9;
bx += (B_VAL(pix) * Cx) >> 9;
pix++;
}
if (i > 0)
{
ax += (A_VAL(pix) * i) >> 9;
rx += (R_VAL(pix) * i) >> 9;
gx += (G_VAL(pix) * i) >> 9;
bx += (B_VAL(pix) * i) >> 9;
}
a += (ax * j) >> 14;
r += (rx * j) >> 14;
g += (gx * j) >> 14;
b += (bx * j) >> 14;
}
*pbuf++ = ARGB_JOIN(((a + (1 << 4)) >> 5),
((r + (1 << 4)) >> 5),
((g + (1 << 4)) >> 5),
((b + (1 << 4)) >> 5));
xp++; xapp++;
}
if (!mask_ie)
func(buf, NULL, mul_col, dptr, w);
else
{
mask = mask_ie->image.data8
+ ((dst_clip_y - mask_y + y) * mask_ie->cache_entry.w)
+ (dst_clip_x - mask_x);
if (mul_col != 0xffffffff)
func2(buf, NULL, mul_col, buf, w);
func(buf, mask, 0, dptr, w);
}
y++;
pbuf = buf;
dptr += dst_w; dst_clip_w = w;
xp = xpoints;// + dxx;
xapp = xapoints;// + dxx;
yp++; yapp++;
}
}
}
else
{
#ifdef DIRECT_SCALE
if ((!src->cache_entry.flags.alpha) &&
(!dst->cache_entry.flags.alpha) &&
(mul_col == 0xffffffff) &&
(!mask_ie))
{
// RGBA_Image *src, RGBA_Image *dst
// dst_clip_x, dst_clip_x\y, dst_clip_w, dst_clip_h
// src_region_x, src_region_y, src_region_w, src_region_h
// dst_region_x, dst_region_y, dst_region_w, dst_region_h
#ifdef BILINEAR_HALF_TO_FULL_SCALE
if (bilinear_downscale)
{
DATA32 *lptr, *p1, *p2, *p3, *p4;
unsigned int xpos, ypos, xfrac, yfrac, invxfrac, invyfrac;
unsigned int xstep, ystep;
unsigned int r1, g1, b1, r2, g2, b2;
pix = src_data + (src_region_y * src_w) + src_region_x;
xstep = (src_region_w << 16) / dst_region_w;
ystep = (src_region_h << 16) / dst_region_h;
ypos = (dst_clip_y - dst_region_y) * ystep;
while (dst_clip_h--)
{
pbuf = dptr;
xpos = (dst_clip_x - dst_region_x) * xstep;
lptr = pix + ((ypos >> 16) * src_w);
if ((ypos >> 16) < ((unsigned int)src_h - 1))
{
yfrac = ypos & 0xffff;
invyfrac = 0x10000 - yfrac;
while (dst_clip_w--)
{
p1 = lptr + (xpos >> 16);
p2 = p1 + 1;
p3 = p1 + src_w;
p4 = p3 + 1;
xfrac = xpos & 0xffff;
invxfrac = 0x10000 - xfrac;
if (xfrac > 0)
{
r1 = ((invxfrac * R_VAL(p1)) + (xfrac * R_VAL(p2))) >> 16;
r2 = ((invxfrac * R_VAL(p3)) + (xfrac * R_VAL(p4))) >> 16;
g1 = ((invxfrac * G_VAL(p1)) + (xfrac * G_VAL(p2))) >> 16;
g2 = ((invxfrac * G_VAL(p3)) + (xfrac * G_VAL(p4))) >> 16;
b1 = ((invxfrac * B_VAL(p1)) + (xfrac * B_VAL(p2))) >> 16;
b2 = ((invxfrac * B_VAL(p3)) + (xfrac * B_VAL(p4))) >> 16;
}
else
{
r1 = R_VAL(p1);
r2 = R_VAL(p3);
g1 = G_VAL(p1);
g2 = G_VAL(p3);
b1 = B_VAL(p1);
b2 = B_VAL(p3);
}
r = ((invyfrac * r1) + (yfrac * r2)) >> 16;
g = ((invyfrac * g1) + (yfrac * g2)) >> 16;
b = ((invyfrac * b1) + (yfrac * b2)) >> 16;
*pbuf++ = ARGB_JOIN(0xff, r, g, b);
xpos += xstep;
}
}
else
{
while (dst_clip_w--)
{
p1 = lptr + (xpos >> 16);
p2 = p1 + 1;
xfrac = xpos & 0xffff;
invxfrac = 0x10000 - xfrac;
if (xfrac > 0)
{
r = ((invxfrac * R_VAL(p1)) + (xfrac * R_VAL(p2))) >> 16;
g = ((invxfrac * G_VAL(p1)) + (xfrac * G_VAL(p2))) >> 16;
b = ((invxfrac * B_VAL(p1)) + (xfrac * B_VAL(p2))) >> 16;
}
else
{
r = R_VAL(p1);
g = G_VAL(p1);
b = B_VAL(p1);
}
*pbuf++ = ARGB_JOIN(0xff, r, g, b);
xpos += xstep;
}
}
ypos += ystep;
dptr += dst_w; dst_clip_w = w;
}
}
else
#endif
{
while (dst_clip_h--)
{
Cy = *yapp >> 16;
yap = *yapp & 0xffff;
pbuf = dptr;
while (dst_clip_w--)
{
Cx = *xapp >> 16;
xap = *xapp & 0xffff;
sptr = *yp + *xp + pos;
pix = sptr;
sptr += src_w;
rx = (R_VAL(pix) * xap) >> 9;
gx = (G_VAL(pix) * xap) >> 9;
bx = (B_VAL(pix) * xap) >> 9;
pix++;
for (i = (1 << 14) - xap; i > Cx; i -= Cx)
{
rx += (R_VAL(pix) * Cx) >> 9;
gx += (G_VAL(pix) * Cx) >> 9;
bx += (B_VAL(pix) * Cx) >> 9;
pix++;
}
if (i > 0)
{
rx += (R_VAL(pix) * i) >> 9;
gx += (G_VAL(pix) * i) >> 9;
bx += (B_VAL(pix) * i) >> 9;
}
r = (rx * yap) >> 14;
g = (gx * yap) >> 14;
b = (bx * yap) >> 14;
for (j = (1 << 14) - yap; j > Cy; j -= Cy)
{
pix = sptr;
sptr += src_w;
rx = (R_VAL(pix) * xap) >> 9;
gx = (G_VAL(pix) * xap) >> 9;
bx = (B_VAL(pix) * xap) >> 9;
pix++;
for (i = (1 << 14) - xap; i > Cx; i -= Cx)
{
rx += (R_VAL(pix) * Cx) >> 9;
gx += (G_VAL(pix) * Cx) >> 9;
bx += (B_VAL(pix) * Cx) >> 9;
pix++;
}
if (i > 0)
{
rx += (R_VAL(pix) * i) >> 9;
gx += (G_VAL(pix) * i) >> 9;
bx += (B_VAL(pix) * i) >> 9;
}
r += (rx * Cy) >> 14;
g += (gx * Cy) >> 14;
b += (bx * Cy) >> 14;
}
if (j > 0)
{
pix = sptr;
sptr += src_w;
rx = (R_VAL(pix) * xap) >> 9;
gx = (G_VAL(pix) * xap) >> 9;
bx = (B_VAL(pix) * xap) >> 9;
pix++;
for (i = (1 << 14) - xap; i > Cx; i -= Cx)
{
rx += (R_VAL(pix) * Cx) >> 9;
gx += (G_VAL(pix) * Cx) >> 9;
bx += (B_VAL(pix) * Cx) >> 9;
pix++;
}
if (i > 0)
{
rx += (R_VAL(pix) * i) >> 9;
gx += (G_VAL(pix) * i) >> 9;
bx += (B_VAL(pix) * i) >> 9;
}
r += (rx * j) >> 14;
g += (gx * j) >> 14;
b += (bx * j) >> 14;
}
*pbuf++ = ARGB_JOIN(0xff,
((r + (1 << 4)) >> 5),
((g + (1 << 4)) >> 5),
((b + (1 << 4)) >> 5));
xp++; xapp++;
}
dptr += dst_w; dst_clip_w = w;
xp = xpoints;// + dxx;
xapp = xapoints;// + dxx;
yp++; yapp++;
}
}
}
else
#endif
{
#ifdef BILINEAR_HALF_TO_FULL_SCALE
if (bilinear_downscale)
{
DATA32 *lptr, *p1, *p2, *p3, *p4;
unsigned int xpos, ypos, xfrac, yfrac, invxfrac, invyfrac;
unsigned int xstep, ystep;
unsigned int r1, g1, b1, r2, g2, b2;
pix = src_data + (src_region_y * src_w) + src_region_x;
xstep = (src_region_w << 16) / dst_region_w;
ystep = (src_region_h << 16) / dst_region_h;
ypos = (dst_clip_y - dst_region_y) * ystep;
while (dst_clip_h--)
{
xpos = (dst_clip_x - dst_region_x) * xstep;
lptr = pix + ((ypos >> 16) * src_w);
if ((ypos >> 16) < ((unsigned int)src_h - 1))
{
yfrac = ypos & 0xffff;
invyfrac = 0x10000 - yfrac;
while (dst_clip_w--)
{
p1 = lptr + (xpos >> 16);
p2 = p1 + 1;
p3 = p1 + src_w;
p4 = p3 + 1;
xfrac = xpos & 0xffff;
invxfrac = 0x10000 - xfrac;
if (xfrac > 0)
{
r1 = ((invxfrac * R_VAL(p1)) + (xfrac * R_VAL(p2))) >> 16;
r2 = ((invxfrac * R_VAL(p3)) + (xfrac * R_VAL(p4))) >> 16;
g1 = ((invxfrac * G_VAL(p1)) + (xfrac * G_VAL(p2))) >> 16;
g2 = ((invxfrac * G_VAL(p3)) + (xfrac * G_VAL(p4))) >> 16;
b1 = ((invxfrac * B_VAL(p1)) + (xfrac * B_VAL(p2))) >> 16;
b2 = ((invxfrac * B_VAL(p3)) + (xfrac * B_VAL(p4))) >> 16;
}
else
{
r1 = R_VAL(p1);
r2 = R_VAL(p3);
g1 = G_VAL(p1);
g2 = G_VAL(p3);
b1 = B_VAL(p1);
b2 = B_VAL(p3);
}
r = ((invyfrac * r1) + (yfrac * r2)) >> 16;
g = ((invyfrac * g1) + (yfrac * g2)) >> 16;
b = ((invyfrac * b1) + (yfrac * b2)) >> 16;
*pbuf++ = ARGB_JOIN(0xff, r, g, b);
xpos += xstep;
}
}
else
{
while (dst_clip_w--)
{
p1 = lptr + (xpos >> 16);
p2 = p1 + 1;
xfrac = xpos & 0xffff;
invxfrac = 0x10000 - xfrac;
if (xfrac > 0)
{
r = ((invxfrac * R_VAL(p1)) + (xfrac * R_VAL(p2))) >> 16;
g = ((invxfrac * G_VAL(p1)) + (xfrac * G_VAL(p2))) >> 16;
b = ((invxfrac * B_VAL(p1)) + (xfrac * B_VAL(p2))) >> 16;
}
else
{
r = R_VAL(p1);
g = G_VAL(p1);
b = B_VAL(p1);
}
*pbuf++ = ARGB_JOIN(0xff, r, g, b);
xpos += xstep;
}
}
if (!mask_ie)
func(buf, NULL, mul_col, dptr, w);
else
{
mask = mask_ie->image.data8
+ ((dst_clip_y - mask_y + y) * mask_ie->cache_entry.w)
+ (dst_clip_x - mask_x);
if (mul_col != 0xffffffff)
func2(buf, NULL, mul_col, buf, w);
func(buf, mask, 0, dptr, w);
}
y++;
pbuf = buf;
ypos += ystep;
dptr += dst_w; dst_clip_w = w;
}
}
else
#endif
{
while (dst_clip_h--)
{
Cy = *yapp >> 16;
yap = *yapp & 0xffff;
while (dst_clip_w--)
{
Cx = *xapp >> 16;
xap = *xapp & 0xffff;
sptr = *yp + *xp + pos;
pix = sptr;
sptr += src_w;
rx = (R_VAL(pix) * xap) >> 9;
gx = (G_VAL(pix) * xap) >> 9;
bx = (B_VAL(pix) * xap) >> 9;
pix++;
for (i = (1 << 14) - xap; i > Cx; i -= Cx)
{
rx += (R_VAL(pix) * Cx) >> 9;
gx += (G_VAL(pix) * Cx) >> 9;
bx += (B_VAL(pix) * Cx) >> 9;
pix++;
}
if (i > 0)
{
rx += (R_VAL(pix) * i) >> 9;
gx += (G_VAL(pix) * i) >> 9;
bx += (B_VAL(pix) * i) >> 9;
}
r = (rx * yap) >> 14;
g = (gx * yap) >> 14;
b = (bx * yap) >> 14;
for (j = (1 << 14) - yap; j > Cy; j -= Cy)
{
pix = sptr;
sptr += src_w;
rx = (R_VAL(pix) * xap) >> 9;
gx = (G_VAL(pix) * xap) >> 9;
bx = (B_VAL(pix) * xap) >> 9;
pix++;
for (i = (1 << 14) - xap; i > Cx; i -= Cx)
{
rx += (R_VAL(pix) * Cx) >> 9;
gx += (G_VAL(pix) * Cx) >> 9;
bx += (B_VAL(pix) * Cx) >> 9;
pix++;
}
if (i > 0)
{
rx += (R_VAL(pix) * i) >> 9;
gx += (G_VAL(pix) * i) >> 9;
bx += (B_VAL(pix) * i) >> 9;
}
r += (rx * Cy) >> 14;
g += (gx * Cy) >> 14;
b += (bx * Cy) >> 14;
}
if (j > 0)
{
pix = sptr;
sptr += src_w;
rx = (R_VAL(pix) * xap) >> 9;
gx = (G_VAL(pix) * xap) >> 9;
bx = (B_VAL(pix) * xap) >> 9;
pix++;
for (i = (1 << 14) - xap; i > Cx; i -= Cx)
{
rx += (R_VAL(pix) * Cx) >> 9;
gx += (G_VAL(pix) * Cx) >> 9;
bx += (B_VAL(pix) * Cx) >> 9;
pix++;
}
if (i > 0)
{
rx += (R_VAL(pix) * i) >> 9;
gx += (G_VAL(pix) * i) >> 9;
bx += (B_VAL(pix) * i) >> 9;
}
r += (rx * j) >> 14;
g += (gx * j) >> 14;
b += (bx * j) >> 14;
}
*pbuf++ = ARGB_JOIN(0xff,
((r + (1 << 4)) >> 5),
((g + (1 << 4)) >> 5),
((b + (1 << 4)) >> 5));
xp++; xapp++;
}
if (!mask_ie)
func(buf, NULL, mul_col, dptr, w);
else
{
mask = mask_ie->image.data8
+ ((dst_clip_y - mask_y + y) * mask_ie->cache_entry.w)
+ (dst_clip_x - mask_x);
if (mul_col != 0xffffffff)
func2(buf, NULL, mul_col, buf, w);
func(buf, mask, 0, dptr, w);
}
y++;
pbuf = buf;
dptr += dst_w; dst_clip_w = w;
xp = xpoints;// + dxx;
xapp = xapoints;// + dxx;
yp++; yapp++;
}
}
}
}
#else
/* MMX scaling down would go here */
#endif
}