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Cogl

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Struct Cogl.Color

Import line:	Cogl = imports.gi.Cogl;
GIR File:	Cogl-1.0.gir
C documentation:	CoglColor
Struct :	Color

A structure for holding a color definition. The contents of
the CoglColor structure are private and should never by accessed
directly.

Properties
Properties		Defined By
	alpha : guint8 read only	Cogl.Color
	blue : guint8 read only	Cogl.Color
	green : guint8 read only	Cogl.Color
	padding0 : guint32 read only	Cogl.Color
	padding1 : guint32 read only	Cogl.Color
	padding2 : guint32 read only	Cogl.Color
	red : guint8 read only	Cogl.Color

Methods / Constructors
Method / Constructor		Defined By
	new Cogl.Color () Create a new Cogl.Color Create a new Cogl.Color
	free () : none Frees the resources allocated by cogl_color_new() and cogl_color_copy() Frees the resources allocated by cogl_color_new() and cogl_color_copy() Returns: none	Cogl.Color
	get_alpha () : gfloat Retrieves the alpha channel of color as a fixed point value between 0 and %1.0. Retrieves the alpha channel of color as a fixed point value between 0 and %1.0. Returns: gfloat the alpha channel of the passed color	Cogl.Color
	get_alpha_byte () : guint8 Retrieves the alpha channel of color as a byte value between 0 and 255 Retrieves the alpha channel of color as a byte value between 0 and 255 Returns: guint8 the alpha channel of the passed color	Cogl.Color
	get_alpha_float () : gfloat Retrieves the alpha channel of color as a floating point value between 0.0 and 1.0 Retrieves the alpha channel of color as a floating point value between 0.0 and 1.0 Returns: gfloat the alpha channel of the passed color	Cogl.Color
	get_blue () : gfloat Retrieves the blue channel of color as a fixed point value between 0 and %1.0. Retrieves the blue channel of color as a fixed point value between 0 and %1.0. Returns: gfloat the blue channel of the passed color	Cogl.Color
	get_blue_byte () : guint8 Retrieves the blue channel of color as a byte value between 0 and 255 Retrieves the blue channel of color as a byte value between 0 and 255 Returns: guint8 the blue channel of the passed color	Cogl.Color
	get_blue_float () : gfloat Retrieves the blue channel of color as a floating point value between 0.0 and 1.0 Retrieves the blue channel of color as a floating point value between 0.0 and 1.0 Returns: gfloat the blue channel of the passed color	Cogl.Color
	get_green () : gfloat Retrieves the green channel of color as a fixed point value between 0 and %1.0. Retrieves the green channel of color as a fixed point value between 0 and %1.0. Returns: gfloat the green channel of the passed color	Cogl.Color
	get_green_byte () : guint8 Retrieves the green channel of color as a byte value between 0 and 255 Retrieves the green channel of color as a byte value between 0 and 255 Returns: guint8 the green channel of the passed color	Cogl.Color
	get_green_float () : gfloat Retrieves the green channel of color as a floating point value between 0.0 and 1.0 Retrieves the green channel of color as a floating point value between 0.0 and 1.0 Returns: gfloat the green channel of the passed color	Cogl.Color
	get_red () : gfloat Retrieves the red channel of color as a fixed point value between 0 and %1.0. Retrieves the red channel of color as a fixed point value between 0 and %1.0. Returns: gfloat the red channel of the passed color	Cogl.Color
	get_red_byte () : guint8 Retrieves the red channel of color as a byte value between 0 and 255 Retrieves the red channel of color as a byte value between 0 and 255 Returns: guint8 the red channel of the passed color	Cogl.Color
	get_red_float () : gfloat Retrieves the red channel of color as a floating point value between 0.0 and 1.0 Retrieves the red channel of color as a floating point value between 0.0 and 1.0 Returns: gfloat the red channel of the passed color	Cogl.Color
	init_from_4f (gfloat *red, gfloat green, gfloat blue, gfloat alpha) : none Sets the values of the passed channels into a CoglColor* Sets the values of the passed channels into a CoglColor Parameters: gfloat red Required (not null) value of the red channel, between 0 and %1.0 gfloat green Required (not null) value of the green channel, between 0 and %1.0 gfloat blue Required (not null) value of the blue channel, between 0 and %1.0 gfloat alpha Required (not null) value of the alpha channel, between 0 and %1.0 Returns: none	Cogl.Color
	init_from_4fv (gfloat *color_array) : none Sets the values of the passed channels into a CoglColor* Sets the values of the passed channels into a CoglColor Parameters: gfloat color_array Required (not null) a pointer to an array of 4 float color components Returns: none	Cogl.Color
	init_from_4ub (guint8 *red, guint8 green, guint8 blue, guint8 alpha) : none Sets the values of the passed channels into a CoglColor. Sets the values of the passed channels into a CoglColor. Parameters: guint8 red* Required (not null) value of the red channel, between 0 and 255 guint8 green Required (not null) value of the green channel, between 0 and 255 guint8 blue Required (not null) value of the blue channel, between 0 and 255 guint8 alpha Required (not null) value of the alpha channel, between 0 and 255 Returns: none	Cogl.Color
	premultiply () : none Converts a non-premultiplied color to a pre-multiplied color. Converts a non-premultiplied color to a pre-multiplied color. For example, semi-transparent red is (1.0, 0, 0, 0.5) when non-premultiplied and (0.5, 0, 0, 0.5) when premultiplied. Returns: none	Cogl.Color
	set_alpha (gfloat *alpha) : none Sets the alpha channel of color* to alpha. Sets the alpha channel of color to alpha. Parameters: gfloat alpha Required (not null) a float value between 0.0f and 1.0f Returns: none	Cogl.Color
	set_alpha_byte (guint8 *alpha) : none Sets the alpha channel of color* to alpha. Sets the alpha channel of color to alpha. Parameters: guint8 alpha Required (not null) a byte value between 0 and 255 Returns: none	Cogl.Color
	set_alpha_float (gfloat *alpha) : none Sets the alpha channel of color* to alpha. Sets the alpha channel of color to alpha. Parameters: gfloat alpha Required (not null) a float value between 0.0f and 1.0f Returns: none	Cogl.Color
	set_blue (gfloat *blue) : none Sets the blue channel of color* to blue. Sets the blue channel of color to blue. Parameters: gfloat blue Required (not null) a float value between 0.0f and 1.0f Returns: none	Cogl.Color
	set_blue_byte (guint8 *blue) : none Sets the blue channel of color* to blue. Sets the blue channel of color to blue. Parameters: guint8 blue Required (not null) a byte value between 0 and 255 Returns: none	Cogl.Color
	set_blue_float (gfloat *blue) : none Sets the blue channel of color* to blue. Sets the blue channel of color to blue. Parameters: gfloat blue Required (not null) a float value between 0.0f and 1.0f Returns: none	Cogl.Color
	set_from_4f (gfloat *red, gfloat green, gfloat blue, gfloat alpha) : none Sets the values of the passed channels into a CoglColor* Sets the values of the passed channels into a CoglColor Parameters: gfloat red Required (not null) value of the red channel, between 0 and %1.0 gfloat green Required (not null) value of the green channel, between 0 and %1.0 gfloat blue Required (not null) value of the blue channel, between 0 and %1.0 gfloat alpha Required (not null) value of the alpha channel, between 0 and %1.0 Returns: none	Cogl.Color
	set_from_4ub (guint8 *red, guint8 green, guint8 blue, guint8 alpha) : none Sets the values of the passed channels into a CoglColor. Sets the values of the passed channels into a CoglColor. Parameters: guint8 red* Required (not null) value of the red channel, between 0 and 255 guint8 green Required (not null) value of the green channel, between 0 and 255 guint8 blue Required (not null) value of the blue channel, between 0 and 255 guint8 alpha Required (not null) value of the alpha channel, between 0 and 255 Returns: none	Cogl.Color
	set_green (gfloat *green) : none Sets the green channel of color* to green. Sets the green channel of color to green. Parameters: gfloat green Required (not null) a float value between 0.0f and 1.0f Returns: none	Cogl.Color
	set_green_byte (guint8 *green) : none Sets the green channel of color* to green. Sets the green channel of color to green. Parameters: guint8 green Required (not null) a byte value between 0 and 255 Returns: none	Cogl.Color
	set_green_float (gfloat *green) : none Sets the green channel of color* to green. Sets the green channel of color to green. Parameters: gfloat green Required (not null) a float value between 0.0f and 1.0f Returns: none	Cogl.Color
	set_red (gfloat *red) : none Sets the red channel of color* to red. Sets the red channel of color to red. Parameters: gfloat red Required (not null) a float value between 0.0f and 1.0f Returns: none	Cogl.Color
	set_red_byte (guint8 *red) : none Sets the red channel of color* to red. Sets the red channel of color to red. Parameters: guint8 red Required (not null) a byte value between 0 and 255 Returns: none	Cogl.Color
	set_red_float (gfloat *red) : none Sets the red channel of color* to red. Sets the red channel of color to red. Parameters: gfloat red Required (not null) a float value between 0.0f and 1.0f Returns: none	Cogl.Color
	unpremultiply () : none Converts a pre-multiplied color to a non-premultiplied color. Converts a pre-multiplied color to a non-premultiplied color. For example, semi-transparent red is (0.5, 0, 0, 0.5) when premultiplied and (1.0, 0, 0, 0.5) when non-premultiplied. Returns: none	Cogl.Color

Events
None

Used by These Methods / Signals / Properties
Class / Namespace	Method / Signal / Properties
Cogl Method	Cogl.clear (Color *color, guint32 buffers) : none Clears all the auxiliary buffers identified in the buffers* mask, and if that includes the color buffer then the specified color is used.
Cogl Method	Cogl.set_fog (Color *fog_color, FogMode mode, gfloat density, gfloat z_near, gfloat z_far*) : none Enables fogging.
Cogl Method	Cogl.set_source_color (Color *color*) : none This is a convenience function for creating a solid fill source material from the given color.
Cogl.Material Method	get_ambient (Color *ambient) : none Retrieves the current ambient color for material*
Cogl.Material Method	get_color () : Cogl.Color Retrieves the current material color.
Cogl.Material Method	get_diffuse (Color *diffuse) : none Retrieves the current diffuse color for material*
Cogl.Material Method	get_emission (Color *emission*) : none Retrieves the materials current emission color.
Cogl.Material Method	get_specular (Color *specular*) : none Retrieves the materials current specular color.
Cogl.Material Method	set_ambient (Color *ambient*) : none Sets the material's ambient color, in the standard OpenGL lighting model.
Cogl.Material Method	set_ambient_and_diffuse (Color *color) : none Conveniently sets the diffuse and ambient color of material* at the same time.
Cogl.Material Method	set_blend_constant (Color *constant_color*) : none When blending is setup to reference a CONSTANT blend factor then blending will depend on the constant set with this function.
Cogl.Material Method	set_color (Color *color*) : none Sets the basic color of the material, used when no lighting is enabled.
Cogl.Material Method	set_diffuse (Color *diffuse*) : none Sets the material's diffuse color, in the standard OpenGL lighting model.
Cogl.Material Method	set_emission (Color *emission*) : none Sets the material's emissive color, in the standard OpenGL lighting model.
Cogl.Material Method	set_layer_combine_constant (gint32 *layer_index, Color constant*) : none When you are using the 'CONSTANT' color source in a layer combine description then you can use this function to define its value.
Cogl.Material Method	set_specular (Color *specular*) : none Sets the material's specular color, in the standard OpenGL lighting model.
Cogl.Pipeline Method	get_ambient (Color *ambient*) : none
Cogl.Pipeline Method	get_color () : Cogl.Color
Cogl.Pipeline Method	get_diffuse (Color *diffuse*) : none
Cogl.Pipeline Method	get_emission (Color *emission*) : none
Cogl.Pipeline Method	get_specular (Color *specular*) : none
Cogl.Pipeline Method	set_ambient (Color *ambient*) : none
Cogl.Pipeline Method	set_ambient_and_diffuse (Color *color*) : none
Cogl.Pipeline Method	set_blend_constant (Color *constant_color*) : none
Cogl.Pipeline Method	set_color (Color *color*) : none
Cogl.Pipeline Method	set_diffuse (Color *diffuse*) : none
Cogl.Pipeline Method	set_emission (Color *emission*) : none
Cogl.Pipeline Method	set_layer_combine_constant (gint32 *layer_index, Color constant*) : none
Cogl.Pipeline Method	set_specular (Color *specular*) : none

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Cogl

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Struct Cogl.Color