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pgVirtualFrame.I
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104 lines (96 loc) · 4.2 KB
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// Filename: pgVirtualFrame.I
// Created by: drose (17Aug05)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) Carnegie Mellon University. All rights reserved.
//
// All use of this software is subject to the terms of the revised BSD
// license. You should have received a copy of this license along
// with this source code in a file named "LICENSE."
//
////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////
// Function: PGVirtualFrame::set_clip_frame
// Access: Published
// Description: Sets the bounding rectangle of the clip frame.
// This is the size of the small window through which we
// can see the virtual canvas. Normally, this is the
// same size as the actual frame or smaller (typically
// it is smaller by the size of the bevel, or to make
// room for scroll bars).
////////////////////////////////////////////////////////////////////
INLINE void PGVirtualFrame::
set_clip_frame(PN_stdfloat left, PN_stdfloat right, PN_stdfloat bottom, PN_stdfloat top) {
set_clip_frame(LVecBase4(left, right, bottom, top));
}
////////////////////////////////////////////////////////////////////
// Function: PGVirtualFrame::get_clip_frame
// Access: Published
// Description: Returns the bounding rectangle of the clip frame.
// See set_clip_frame(). If has_clip_frame() is
// false, this returns the item's actual frame.
////////////////////////////////////////////////////////////////////
INLINE const LVecBase4 &PGVirtualFrame::
get_clip_frame() const {
LightReMutexHolder holder(_lock);
return _has_clip_frame ? _clip_frame : get_frame();
}
////////////////////////////////////////////////////////////////////
// Function: PGVirtualFrame::has_clip_frame
// Access: Published
// Description: Returns true if the clip frame has been set; see
// set_clip_frame(). If it has not been set, objects in
// the virtual frame will not be clipped.
////////////////////////////////////////////////////////////////////
INLINE bool PGVirtualFrame::
has_clip_frame() const {
LightReMutexHolder holder(_lock);
return _has_clip_frame;
}
////////////////////////////////////////////////////////////////////
// Function: PGVirtualFrame::set_canvas_transform
// Access: Published
// Description: Changes the transform of the virtual canvas. This
// transform is applied to all child nodes of the
// canvas_node.
////////////////////////////////////////////////////////////////////
INLINE void PGVirtualFrame::
set_canvas_transform(const TransformState *transform) {
LightReMutexHolder holder(_lock);
_canvas_node->set_transform(transform);
}
////////////////////////////////////////////////////////////////////
// Function: PGVirtualFrame::get_canvas_transform
// Access: Published
// Description: Returns the transform of the virtual canvas. This
// transform is applied to all child nodes of the
// canvas_node.
////////////////////////////////////////////////////////////////////
INLINE const TransformState *PGVirtualFrame::
get_canvas_transform() const {
LightReMutexHolder holder(_lock);
return _canvas_node->get_transform();
}
////////////////////////////////////////////////////////////////////
// Function: PGVirtualFrame::get_canvas_node
// Access: Published
// Description: Returns the special node that holds all of the
// children that appear in the virtual canvas.
////////////////////////////////////////////////////////////////////
INLINE PandaNode *PGVirtualFrame::
get_canvas_node() const {
LightReMutexHolder holder(_lock);
return _canvas_node;
}
////////////////////////////////////////////////////////////////////
// Function: PGVirtualFrame::get_canvas_parent
// Access: Published
// Description: Returns the parent node of the canvas_node.
////////////////////////////////////////////////////////////////////
INLINE PandaNode *PGVirtualFrame::
get_canvas_parent() const {
LightReMutexHolder holder(_lock);
return _canvas_parent;
}