ruby-****@sourc*****
ruby-****@sourc*****
2003年 8月 21日 (木) 16:20:35 JST
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= class Gdk::GL::Context
Rendering Context - OpenGL rendering context object
== Super Class
* GLib::Object
== Class Methods
--- Gdk::GL::Context.new(gldrawable, share_list, direct, render_type)
Creates a new OpenGL rendering context.
* gldrawable: a ((<Gdk::GL::Drawable>))
* share_list: the ((<Gdk::GL::Context>)) with which to share display lists and texture objects. nil indicates that no sharing is to take place.
* direct: whether rendering is to be done with a direct connection to the graphics system.
* render_type: Gdk::GL::RGBA_TYPE or Gdk::GL::COLOR_INDEX_TYPE (currently not used).
* Returns: the new ((<Gdk::GL::Context>)).
--- current
Returns the current ((<Gdk::GL::Context>)).
* Returns: the current ((<Gdk::GL::Context>)) or nil if there is no current context.
== Instance Methods
--- gl_drawable
Gets the ((<Gdk::GL::Drawable>)) to which the context is bound.
* Returns: the ((<Gdk::GL::Drawable>)) or nil if no ((<Gdk::GL::Drawable>)) is bound.
--- gl_config
Gets the ((<Gdk::GL::Config>)) with which the context is configured.
* Returns: the ((<Gdk::GL::Config>)).
--- share_list
Gets the ((<Gdk::GL::Context>)) with which the context shares the display lists and texture objects.
* Returns: the ((<Gdk::GL::Context>)).
--- direct?
Returns whether the context is a direct rendering context.
* Returns: true if the glcontext is a direct rendering contest.
--- render_type
Gets the render_type of the context.
* Returns: Gdk::GL::RGBA_TYPE or Gdk::GL::COLOR_INDEX_TYPE.
--- destroy
Destroys the OpenGL resources associated with the context.
--- copy(src, mask)
Copy state from src rendering context to the context.
mask contains the bitwise-OR of the same symbolic names that are passed to the GL.PushAttrib() function. You can use GL::ALL_ATTRIB_BITS to copy all the rendering state information.
* src: the source ((<Gdk::GL::Context>))
* Returns: false if it fails, true otherwise.