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[wrapper] Always copy clip

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We always need to make a local copy of the clip as the backends are free
to modify it as they process the operation.
This commit is contained in:
Chris Wilson 2009-08-17 10:31:47 +01:00
parent 6ff711b630
commit ce6a2cc5d2
1 changed files with 44 additions and 16 deletions
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60
src/cairo-surface-wrapper.c
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@ -88,14 +88,18 @@ _cairo_surface_wrapper_paint (cairo_surface_wrapper_t *wrapper,
if (clip && clip->all_clipped)
return CAIRO_STATUS_SUCCESS;
if (clip != NULL &&
_cairo_surface_wrapper_needs_device_transform (wrapper,
&device_transform))
{
status = _cairo_clip_init_copy_transformed (&clip_copy, clip,
&device_transform);
if (unlikely (status))
goto FINISH;
if (clip != NULL) {
if (_cairo_surface_wrapper_needs_device_transform (wrapper,
&device_transform))
{
status = _cairo_clip_init_copy_transformed (&clip_copy, clip,
&device_transform);
if (unlikely (status))
goto FINISH;
} else {
_cairo_clip_init_copy (&clip_copy, clip);
}
dev_clip = &clip_copy;
}
@ -125,14 +129,18 @@ _cairo_surface_wrapper_mask (cairo_surface_wrapper_t *wrapper,
if (clip && clip->all_clipped)
return CAIRO_STATUS_SUCCESS;
if (clip != NULL &&
_cairo_surface_wrapper_needs_device_transform (wrapper,
&device_transform))
{
status = _cairo_clip_init_copy_transformed (&clip_copy, clip,
&device_transform);
if (unlikely (status))
goto FINISH;
if (clip != NULL) {
if (_cairo_surface_wrapper_needs_device_transform (wrapper,
&device_transform))
{
status = _cairo_clip_init_copy_transformed (&clip_copy, clip,
&device_transform);
if (unlikely (status))
goto FINISH;
} else {
_cairo_clip_init_copy (&clip_copy, clip);
}
dev_clip = &clip_copy;
}
@ -195,6 +203,11 @@ _cairo_surface_wrapper_stroke (cairo_surface_wrapper_t *wrapper,
cairo_matrix_multiply (&dev_ctm_inverse,
&device_transform,
&dev_ctm_inverse);
} else {
if (clip != NULL) {
dev_clip = &clip_copy;
_cairo_clip_init_copy (&clip_copy, clip);
}
}
status = _cairo_surface_stroke (wrapper->target, op, source,
@ -266,6 +279,11 @@ _cairo_surface_wrapper_fill_stroke (cairo_surface_wrapper_t *wrapper,
cairo_matrix_multiply (&dev_ctm_inverse,
&device_transform,
&dev_ctm_inverse);
} else {
if (clip != NULL) {
dev_clip = &clip_copy;
_cairo_clip_init_copy (&clip_copy, clip);
}
}
status = _cairo_surface_fill_stroke (wrapper->target,
@ -325,6 +343,11 @@ _cairo_surface_wrapper_fill (cairo_surface_wrapper_t *wrapper,
dev_clip = &clip_copy;
}
} else {
if (clip != NULL) {
dev_clip = &clip_copy;
_cairo_clip_init_copy (&clip_copy, clip);
}
}
status = _cairo_surface_fill (wrapper->target, op, source,
@ -393,6 +416,11 @@ _cairo_surface_wrapper_show_text_glyphs (cairo_surface_wrapper_t *wrapper,
&dev_glyphs[i].x,
&dev_glyphs[i].y);
}
} else {
if (clip != NULL) {
dev_clip = &clip_copy;
_cairo_clip_init_copy (&clip_copy, clip);
}
}
status = _cairo_surface_show_text_glyphs (wrapper->target, op, source,