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comments for nash 

SVN revision: 58837
This commit is contained in:
Carsten Haitzler 2011-04-23 01:22:17 +00:00
parent 6282cc0a6d
commit 8cca4234c4
1 changed files with 9 additions and 0 deletions
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9
legacy/evas/src/lib/engines/common/evas_scale_sample.c
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@ -242,6 +242,7 @@ scale_rgba_in_to_out_clip_sample_internal(RGBA_Image *src, RGBA_Image *dst,
func = evas_common_gfx_func_composite_pixel_mask_span_get(src, dst, dst_clip_w, dc->render_op);
maskobj = dc->mask.mask;
mask = maskobj->mask.mask;
/*
if (1 || dst_region_w > src_region_w || dst_region_h > src_region_h){
printf("Mask w/h: %d/%d\n",maskobj->cache_entry.w,
maskobj->cache_entry.h);
@ -249,6 +250,7 @@ scale_rgba_in_to_out_clip_sample_internal(RGBA_Image *src, RGBA_Image *dst,
dst_region_w,src_region_w,
dst_region_h,src_region_h);
}
*/
}
else if (dc->mul.use)
func = evas_common_gfx_func_composite_pixel_color_span_get(src, dc->mul.col, dst, dst_clip_w, dc->render_op);
@ -286,6 +288,13 @@ scale_rgba_in_to_out_clip_sample_internal(RGBA_Image *src, RGBA_Image *dst,
/* * blend here [clip_w *] ptr -> dst_ptr * */
if (mask)
{
// nash: problem here. normally dst_clip_x == dc->mask.x
// but then... at some point they cease to be equal
// and thus you add a negative value to mask here
// in fact... u simply don't handle the mask being
// disjoint from the object. now maybe the test in
// expedite has a bug where it moves the mask img
// wrongly - but... i can see this code is fragile
mask += dst_clip_x - dc->mask.x;
mask += (dst_clip_y - dc->mask.y) * maskobj->cache_entry.w;
}