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[analysis] Use _cairo_region_init()

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Avoid secondary allocations of the thin region wrappers during surface
creation by embedding them into the parent structure. This has the
satisfactory side-effect of not requiring status checks which current code
lacks.
This commit is contained in:
Chris Wilson 2009-04-10 14:50:26 +01:00
parent ad83765a14
commit 1496c5cf51
1 changed files with 13 additions and 13 deletions
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26
src/cairo-analysis-surface.c
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@ -51,8 +51,8 @@ typedef struct {
cairo_bool_t has_supported;
cairo_bool_t has_unsupported;
cairo_region_t *supported_region;
cairo_region_t *fallback_region;
cairo_region_t supported_region;
cairo_region_t fallback_region;
cairo_rectangle_int_t current_clip;
cairo_box_t page_bbox;
@ -214,7 +214,7 @@ _add_operation (cairo_analysis_surface_t *surface,
* region there is no benefit in emitting a native operation as
* the fallback image will be painted on top.
*/
if (cairo_region_contains_rectangle (surface->fallback_region, rect) == CAIRO_REGION_OVERLAP_IN)
if (cairo_region_contains_rectangle (&surface->fallback_region, rect) == CAIRO_REGION_OVERLAP_IN)
return CAIRO_INT_STATUS_IMAGE_FALLBACK;
if (backend_status == CAIRO_INT_STATUS_FLATTEN_TRANSPARENCY) {
@ -225,7 +225,7 @@ _add_operation (cairo_analysis_surface_t *surface,
* natively supported and the backend will blend the
* transparency into the white background.
*/
if (cairo_region_contains_rectangle (surface->supported_region, rect) == CAIRO_REGION_OVERLAP_OUT)
if (cairo_region_contains_rectangle (&surface->supported_region, rect) == CAIRO_REGION_OVERLAP_OUT)
backend_status = CAIRO_STATUS_SUCCESS;
}
@ -234,7 +234,7 @@ _add_operation (cairo_analysis_surface_t *surface,
* this region will be emitted as native operations.
*/
surface->has_supported = TRUE;
status = cairo_region_union_rectangle (surface->supported_region, rect);
status = cairo_region_union_rectangle (&surface->supported_region, rect);
return status;
}
@ -243,7 +243,7 @@ _add_operation (cairo_analysis_surface_t *surface,
* emitted.
*/
surface->has_unsupported = TRUE;
status = cairo_region_union_rectangle (surface->fallback_region, rect);
status = cairo_region_union_rectangle (&surface->fallback_region, rect);
/* The status CAIRO_INT_STATUS_IMAGE_FALLBACK is used to indicate
* unsupported operations to the meta surface as using
@ -262,8 +262,8 @@ _cairo_analysis_surface_finish (void *abstract_surface)
{
cairo_analysis_surface_t *surface = (cairo_analysis_surface_t *) abstract_surface;
cairo_region_destroy (surface->supported_region);
cairo_region_destroy (surface->fallback_region);
_cairo_region_fini (&surface->supported_region);
_cairo_region_fini (&surface->fallback_region);
cairo_surface_destroy (surface->target);
@ -773,14 +773,14 @@ _cairo_analysis_surface_create (cairo_surface_t *target,
surface->has_supported = FALSE;
surface->has_unsupported = FALSE;
_cairo_region_init (&surface->supported_region);
_cairo_region_init (&surface->fallback_region);
surface->page_bbox.p1.x = 0;
surface->page_bbox.p1.y = 0;
surface->page_bbox.p2.x = 0;
surface->page_bbox.p2.y = 0;
surface->supported_region = cairo_region_create ();
surface->fallback_region = cairo_region_create ();
if (width == -1 && height == -1) {
surface->current_clip.x = CAIRO_RECT_INT_MIN;
surface->current_clip.y = CAIRO_RECT_INT_MIN;
@ -826,7 +826,7 @@ _cairo_analysis_surface_get_supported (cairo_surface_t *abstract_surface)
{
cairo_analysis_surface_t *surface = (cairo_analysis_surface_t *) abstract_surface;
return surface->supported_region;
return &surface->supported_region;
}
cairo_region_t *
@ -834,7 +834,7 @@ _cairo_analysis_surface_get_unsupported (cairo_surface_t *abstract_surface)
{
cairo_analysis_surface_t *surface = (cairo_analysis_surface_t *) abstract_surface;
return surface->fallback_region;
return &surface->fallback_region;
}
cairo_bool_t