pub struct CairoContext { /* private fields */ }
Expand description
CairoContext
is an object representing the platform-specific
draw context.
CairoContext
s are created for a surface using
SurfaceExt::create_cairo_context()
, and the context
can then be used to draw on that surface.
This is an Abstract Base Class, you cannot instantiate it.
§Implements
DrawContextExt
, DrawContextExtManual
GLib type: GObject with reference counted clone semantics.
Implementations§
Source§impl CairoContext
impl CairoContext
Sourcepub fn cairo_create(&self) -> Option<Context>
pub fn cairo_create(&self) -> Option<Context>
Retrieves a Cairo context to be used to draw on the Surface
of @context.
A call to DrawContextExt::begin_frame()
with this
@context must have been done or this function will return None
.
The returned context is guaranteed to be valid until
DrawContextExt::end_frame()
is called.
§Returns
a Cairo context to draw on `GdkSurface
Trait Implementations§
Source§impl Clone for CairoContext
impl Clone for CairoContext
Source§impl Debug for CairoContext
impl Debug for CairoContext
Source§impl HasParamSpec for CairoContext
impl HasParamSpec for CairoContext
type ParamSpec = ParamSpecObject
Source§type SetValue = CairoContext
type SetValue = CairoContext
type BuilderFn = fn(_: &str) -> ParamSpecObjectBuilder<'_, CairoContext>
fn param_spec_builder() -> Self::BuilderFn
Source§impl Hash for CairoContext
impl Hash for CairoContext
Source§impl Ord for CairoContext
impl Ord for CairoContext
Source§fn cmp(&self, other: &Self) -> Ordering
fn cmp(&self, other: &Self) -> Ordering
Comparison for two GObjects.
Compares the memory addresses of the provided objects.
1.21.0 · Source§fn max(self, other: Self) -> Selfwhere
Self: Sized,
fn max(self, other: Self) -> Selfwhere
Self: Sized,
Source§impl ParentClassIs for CairoContext
impl ParentClassIs for CairoContext
type Parent = DrawContext
Source§impl<OT: ObjectType> PartialEq<OT> for CairoContext
impl<OT: ObjectType> PartialEq<OT> for CairoContext
Source§impl<OT: ObjectType> PartialOrd<OT> for CairoContext
impl<OT: ObjectType> PartialOrd<OT> for CairoContext
Source§impl StaticType for CairoContext
impl StaticType for CairoContext
Source§fn static_type() -> Type
fn static_type() -> Type
Self
.impl Eq for CairoContext
impl IsA<DrawContext> for CairoContext
Auto Trait Implementations§
impl Freeze for CairoContext
impl RefUnwindSafe for CairoContext
impl !Send for CairoContext
impl !Sync for CairoContext
impl Unpin for CairoContext
impl UnwindSafe for CairoContext
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