42 lines
1.2 KiB
Text
42 lines
1.2 KiB
Text
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/**
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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 scissorAttrib.I
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* @author drose
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* @date 2008-07-29
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*/
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/**
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* Constructs a ScissorAttrib that restricts rendering to the indicated frame
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* within the current DisplayRegion. (0,0) is the lower-left corner of the
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* DisplayRegion, and (1,1) is the upper-right corner.
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*/
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INLINE CPT(RenderAttrib) ScissorAttrib::
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make(PN_stdfloat left, PN_stdfloat right, PN_stdfloat bottom, PN_stdfloat top) {
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return make(LVecBase4(left, right, bottom, top));
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}
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/**
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* Returns true if the ScissorAttrib is an 'off' ScissorAttrib, indicating
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* that scissor testing is disabled.
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*/
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INLINE bool ScissorAttrib::
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is_off() const {
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return _off;
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}
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/**
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* Returns the left, right, bottom, top coordinates of the scissor frame.
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* This defines a frame within the current DisplayRegion, where 0,0 is the
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* lower-left corner of the DisplayRegion, and 1,1 is the upper-right corner.
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*/
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INLINE const LVecBase4 &ScissorAttrib::
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get_frame() const {
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return _frame;
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}
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