Gradient

GtkGradient is a boxed type that represents a gradient. It is the result of parsing a [gradient expression][gtkcssprovider-gradients]. To obtain the gradient represented by a GtkGradient, it has to be resolved with gtk.gradient.Gradient.resolve, which replaces all symbolic color references by the colors they refer to (in a given context) and constructs a #cairo_pattern_t value.

It is not normally necessary to deal directly with #GtkGradients, since they are mostly used behind the scenes by #GtkStyleContext and #GtkCssProvider.

#GtkGradient is deprecated. It was used internally by GTK’s CSS engine to represent gradients. As its handling is not conforming to modern web standards, it is not used anymore. If you want to use gradients in your own code, please use Cairo directly.

class Gradient : Boxed {

this(void* ptr, Flag!"Take" take);

void* _cPtr(Flag!"Dup" dup);

static GType _getGType();

GType _gType [@property getter];

Gradient self();

static gtk.gradient.Gradient newLinear(double x0, double y0, double x1, double y1);

static gtk.gradient.Gradient newRadial(double x0, double y0, double radius0, double x1, double y1, double radius1);

void addColorStop(double offset, gtk.symbolic_color.SymbolicColor color);

bool resolve(gtk.style_properties.StyleProperties props, cairo.pattern.Pattern resolvedGradient);

cairo.pattern.Pattern resolveForContext(gtk.style_context.StyleContext context);

string toString_();

}

Constructors

this this(void* ptr, Flag!"Take" take)

Members

Functions

_cPtr void* _cPtr(Flag!"Dup" dup)
addColorStop void addColorStop(double offset, gtk.symbolic_color.SymbolicColor color): Adds a stop color to gradient.
resolve bool resolve(gtk.style_properties.StyleProperties props, cairo.pattern.Pattern resolvedGradient): If gradient is resolvable, resolved_gradient will be filled in with the resolved gradient as a cairo_pattern_t, and true will be returned. Generally, if gradient can’t be resolved, it is due to it being defined on top of a named color that doesn't exist in props.
resolveForContext cairo.pattern.Pattern resolveForContext(gtk.style_context.StyleContext context)
self Gradient self(): Returns this, for use in with statements.
toString_ string toString_(): Creates a string representation for gradient that is suitable for using in GTK CSS files.

Properties

_gType GType _gType [@property getter]

Static functions

_getGType GType _getGType()
newLinear gtk.gradient.Gradient newLinear(double x0, double y0, double x1, double y1): Creates a new linear gradient along the line defined by (x0, y0) and (x1, y1). Before using the gradient a number of stop colors must be added through gtk.gradient.Gradient.addColorStop.
newRadial gtk.gradient.Gradient newRadial(double x0, double y0, double radius0, double x1, double y1, double radius1): Creates a new radial gradient along the two circles defined by (x0, y0, radius0) and (x1, y1, radius1). Before using the gradient a number of stop colors must be added through gtk.gradient.Gradient.addColorStop.

Inherited Members

From Boxed

_cInstancePtr void* _cInstancePtr;: Pointer to the C boxed value
_getGType GType _getGType(): Get the GType of this boxed type.
_gType GType _gType [@property getter]: Boxed GType property.
self Boxed self(): Convenience method to return this cast to a type. For use in D with statements.
boxCopy void* boxCopy(): Make a copy of the wrapped C boxed data.
boxedCopy void* boxedCopy(void* cBoxed): Copy a C boxed value using g_boxed_copy.
boxedFree void boxedFree(void* cBoxed): Free a C boxed value using g_boxed_free.

gtk gradient classes

Gradient