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subsurface: Properly account for device offsets in the target

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This commit is contained in:
Benjamin Otte 2010-08-26 11:17:06 +02:00
parent 8e9c4ea589
commit e65bf64c4a
1 changed files with 5 additions and 5 deletions
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10
src/cairo-surface-subsurface.c
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@ -515,6 +515,11 @@ cairo_surface_create_for_rectangle (cairo_surface_t *target,
surface->extents.width = floor (x + width) - surface->extents.x;
surface->extents.height = floor (y + height) - surface->extents.y;
ret = _cairo_matrix_is_integer_translation (&target->device_transform, &tx, &ty);
assert (ret);
surface->extents.x += tx;
surface->extents.y += ty;
if (_cairo_surface_get_extents (target, &target_extents))
ret = _cairo_rectangle_intersect (&surface->extents, &target_extents);
@ -524,11 +529,6 @@ cairo_surface_create_for_rectangle (cairo_surface_t *target,
surface->extents.x += sub->extents.x;
surface->extents.y += sub->extents.y;
target = sub->target;
} else {
ret = _cairo_matrix_is_integer_translation (&target->device_transform, &tx, &ty);
assert (ret);
surface->extents.x += tx;
surface->extents.y += ty;
}
surface->target = cairo_surface_reference (target);