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Evas filters: Fix mapped rendering for mask, blend 

If dx, dy are 0, there was a miscalculation of bottom and right,
leading to segvs.
This commit is contained in:
Jean-Philippe Andre 2014-01-22 18:19:29 +09:00
parent 62d7a2cb3f
commit 9c1b323bd3
1 changed files with 8 additions and 2 deletions
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10
src/lib/evas/filters/evas_filter_blend.c
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@ -181,7 +181,10 @@ _mapped_blend_cpu(void *data, void *drawctx,
if (dx > 0) left = dx % sw;
else if (dx < 0) left = sw + (dx % sw);
cols = (dw /*- left*/) / sw;
right = dw - (sw * (cols - 1)) - left;
if (left > 0)
right = dw - (sw * (cols - 1)) - left;
else
right = dw - (sw * cols);
dx = 0;
}
else if (fillmode & EVAS_FILTER_FILL_MODE_STRETCH_X)
@ -201,7 +204,10 @@ _mapped_blend_cpu(void *data, void *drawctx,
if (dy > 0) top = dy % sh;
else if (dy < 0) top = sh + (dy % sh);
rows = (dh /*- top*/) / sh;
bottom = dh - (sh * (rows - 1)) - top;
if (top > 0)
bottom = dh - (sh * (rows - 1)) - top;
else
bottom = dh - (sh * rows);
dy = 0;
}
else if (fillmode & EVAS_FILTER_FILL_MODE_STRETCH_Y)