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