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oops put drawink_scanline back

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This commit is contained in:
John Cupitt 2014-02-18 16:23:16 +00:00
parent 36c6654374
commit 1414958b00
1 changed files with 35 additions and 0 deletions
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35
libvips/draw/drawink.c
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@ -102,3 +102,38 @@ vips_drawink_init( VipsDrawink *drawink )
((double *) (drawink->ink->data))[0] = 0;
}
/* Fill a scanline between points x1 and x2 inclusive. x1 < x2.
*/
void
vips__drawink_scanline( VipsDrawink *drawink, int y, int x1, int x2 )
{
VipsDraw *draw = (VipsDraw *) drawink;
VipsPel *mp;
int i;
int len;
g_assert( x1 <= x2 );
if( y < 0 ||
y >= draw->image->Ysize )
return;
if( x1 < 0 &&
x2 < 0 )
return;
if( x1 >= draw->image->Xsize &&
x2 >= draw->image->Xsize )
return;
x1 = VIPS_CLIP( 0, x1, draw->image->Xsize - 1 );
x2 = VIPS_CLIP( 0, x2, draw->image->Xsize - 1 );
mp = VIPS_IMAGE_ADDR( draw->image, x1, y );
len = x2 - x1 + 1;
for( i = 0; i < len; i++ ) {
vips__drawink_pel( drawink, mp );
mp += draw->psize;
}
}