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[cairo-pdf-surface] cairo_pattern_set_matrix guarantees invertibility.

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Be consistent in asserting that the pattern matrix is inverted
successfully and remove a couple of redundant checks.
This commit is contained in:
Chris Wilson 2007-07-16 09:36:54 +01:00
parent 50ebdda3a9
commit e24969a94a
1 changed files with 4 additions and 4 deletions
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8
src/cairo-pdf-surface.c
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@ -1439,8 +1439,8 @@ _cairo_pdf_surface_emit_linear_pattern (cairo_pdf_surface_t *surface,
pat_to_pdf = pattern->base.base.matrix;
status = cairo_matrix_invert (&pat_to_pdf);
if (status)
return status;
/* cairo_pattern_set_matrix ensures the matrix is invertible */
assert (status == CAIRO_STATUS_SUCCESS);
cairo_matrix_multiply (&pat_to_pdf, &pat_to_pdf, &surface->cairo_to_pdf);
x1 = _cairo_fixed_to_double (pattern->p1.x);
@ -1561,8 +1561,8 @@ _cairo_pdf_surface_emit_radial_pattern (cairo_pdf_surface_t *surface,
pat_to_pdf = pattern->base.base.matrix;
status = cairo_matrix_invert (&pat_to_pdf);
if (status)
return status;
/* cairo_pattern_set_matrix ensures the matrix is invertible */
assert (status == CAIRO_STATUS_SUCCESS);
cairo_matrix_multiply (&pat_to_pdf, &pat_to_pdf, &surface->cairo_to_pdf);
x1 = _cairo_fixed_to_double (pattern->c1.x);