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struct MetaShapedTexture; struct MetaShapedTextureClass; ClutterActor * meta_shaped_texture_new (void
); void meta_shaped_texture_set_create_mipmaps (MetaShapedTexture *stex
,gboolean create_mipmaps
); gboolean meta_shaped_texture_update_area (MetaShapedTexture *stex
,int x
,int y
,int width
,int height
,cairo_region_t *unobscured_region
); void meta_shaped_texture_set_pixmap (MetaShapedTexture *stex
,Pixmap pixmap
); CoglTexture * meta_shaped_texture_get_texture (MetaShapedTexture *stex
); void meta_shaped_texture_set_mask_texture (MetaShapedTexture *stex
,CoglTexture *mask_texture
); void meta_shaped_texture_set_clip_region (MetaShapedTexture *stex
,cairo_region_t *clip_region
); cairo_surface_t * meta_shaped_texture_get_image (MetaShapedTexture *stex
,cairo_rectangle_int_t *clip
);
MetaShapedTexture implements ClutterContainer, ClutterScriptable, ClutterAnimatable and AtkImplementorIface.
struct MetaShapedTexture;
The MetaShapedTexture structure contains only private data and should be accessed using the provided API
void meta_shaped_texture_set_create_mipmaps (MetaShapedTexture *stex
,gboolean create_mipmaps
);
gboolean meta_shaped_texture_update_area (MetaShapedTexture *stex
,int x
,int y
,int width
,int height
,cairo_region_t *unobscured_region
);
Repairs the damaged area indicated by x
, y
, width
and height
and queues a redraw for the intersection visibible_region
and
the damage area. If visibible_region
is NULL
a redraw will always
get queued.
|
MetaShapedTexture |
|
the x coordinate of the damaged area |
|
the y coordinate of the damaged area |
|
the width of the damaged area |
|
the height of the damaged area |
|
The unobscured region of the window or NULL if
there is no valid one (like when the actor is transformed or
has a mapped clone) |
Returns : |
Whether a redraw have been queued or not |
void meta_shaped_texture_set_pixmap (MetaShapedTexture *stex
,Pixmap pixmap
);
|
The MetaShapedTexture |
|
The pixmap you want the stex to assume |
CoglTexture * meta_shaped_texture_get_texture (MetaShapedTexture *stex
);
|
The MetaShapedTexture |
Returns : |
the unshaped texture. [transfer none] |
void meta_shaped_texture_set_mask_texture (MetaShapedTexture *stex
,CoglTexture *mask_texture
);
void meta_shaped_texture_set_clip_region (MetaShapedTexture *stex
,cairo_region_t *clip_region
);
Provides a hint to the texture about what areas of the texture are not completely obscured and thus need to be painted. This is an optimization and is not supposed to have any effect on the output.
Typically a parent container will set the clip region before painting its children, and then unset it afterwards.
|
a MetaShapedTexture |
|
the region of the texture that is visible and should be painted. |
cairo_surface_t * meta_shaped_texture_get_image (MetaShapedTexture *stex
,cairo_rectangle_int_t *clip
);
Flattens the two layers of the shaped texture into one ARGB32 image by alpha blending the two images, and returns the flattened image.
|
A MetaShapedTexture |
|
A clipping rectangle, to help prevent extra processing. In the case that the clipping rectangle is partially or fully outside the bounds of the texture, the rectangle will be clipped. |
Returns : |
a new cairo surface to be freed with
cairo_surface_destroy() . [transfer full]
|