82 lines
2.3 KiB
Text
82 lines
2.3 KiB
Text
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file pgVirtualFrame.I
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* @author drose
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* @date 2005-08-17
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*/
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/**
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* Sets the bounding rectangle of the clip frame. This is the size of the
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* small window through which we can see the virtual canvas. Normally, this
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* is the same size as the actual frame or smaller (typically it is smaller by
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* the size of the bevel, or to make room for scroll bars).
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*/
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INLINE void PGVirtualFrame::
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set_clip_frame(PN_stdfloat left, PN_stdfloat right, PN_stdfloat bottom, PN_stdfloat top) {
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set_clip_frame(LVecBase4(left, right, bottom, top));
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}
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/**
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* Returns the bounding rectangle of the clip frame. See set_clip_frame().
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* If has_clip_frame() is false, this returns the item's actual frame.
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*/
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INLINE const LVecBase4 &PGVirtualFrame::
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get_clip_frame() const {
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LightReMutexHolder holder(_lock);
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return _has_clip_frame ? _clip_frame : get_frame();
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}
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/**
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* Returns true if the clip frame has been set; see set_clip_frame(). If it
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* has not been set, objects in the virtual frame will not be clipped.
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*/
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INLINE bool PGVirtualFrame::
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has_clip_frame() const {
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LightReMutexHolder holder(_lock);
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return _has_clip_frame;
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}
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/**
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* Changes the transform of the virtual canvas. This transform is applied to
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* all child nodes of the canvas_node.
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*/
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INLINE void PGVirtualFrame::
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set_canvas_transform(const TransformState *transform) {
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LightReMutexHolder holder(_lock);
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_canvas_node->set_transform(transform);
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}
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/**
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* Returns the transform of the virtual canvas. This transform is applied to
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* all child nodes of the canvas_node.
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*/
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INLINE const TransformState *PGVirtualFrame::
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get_canvas_transform() const {
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LightReMutexHolder holder(_lock);
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return _canvas_node->get_transform();
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}
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/**
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* Returns the special node that holds all of the children that appear in the
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* virtual canvas.
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*/
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INLINE PandaNode *PGVirtualFrame::
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get_canvas_node() const {
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LightReMutexHolder holder(_lock);
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return _canvas_node;
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}
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/**
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* Returns the parent node of the canvas_node.
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*/
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INLINE PandaNode *PGVirtualFrame::
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get_canvas_parent() const {
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LightReMutexHolder holder(_lock);
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return _canvas_parent;
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}
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