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[cairo-matrix] Add _cairo_matrix_transform_bounding_box_fixed()

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This commit is contained in:
Behdad Esfahbod 2008-05-09 13:17:30 +02:00
parent 6c9902fd74
commit bdfda97f19
2 changed files with 17 additions and 0 deletions
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12
src/cairo-matrix.c
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@ -423,6 +423,18 @@ _cairo_matrix_transform_bounding_box (const cairo_matrix_t *matrix,
}
}
cairo_private void
_cairo_matrix_transform_bounding_box_fixed (const cairo_matrix_t *matrix,
cairo_box_t *bbox,
cairo_bool_t *is_tight)
{
double x1, y1, x2, y2;
_cairo_box_to_doubles (bbox, &x1, &y1, &x2, &y2);
_cairo_matrix_transform_bounding_box (matrix, &x1, &y1, &x2, &y2, is_tight);
_cairo_box_from_doubles (bbox, &x1, &y1, &x2, &y2);
}
static void
_cairo_matrix_scalar_multiply (cairo_matrix_t *matrix, double scalar)
{

5
src/cairoint.h
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@ -2051,6 +2051,11 @@ _cairo_matrix_transform_bounding_box (const cairo_matrix_t *matrix,
double *x2, double *y2,
cairo_bool_t *is_tight);
cairo_private void
_cairo_matrix_transform_bounding_box_fixed (const cairo_matrix_t *matrix,
cairo_box_t *bbox,
cairo_bool_t *is_tight);
cairo_private cairo_bool_t
_cairo_matrix_is_invertible (const cairo_matrix_t *matrix);