90 lines
2.5 KiB
Text
90 lines
2.5 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 renderModeAttrib.I
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* @author drose
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* @date 2002-03-14
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*/
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/**
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* Use RenderModeAttrib::make() to construct a new RenderModeAttrib object.
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*/
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INLINE RenderModeAttrib::
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RenderModeAttrib(RenderModeAttrib::Mode mode, PN_stdfloat thickness,
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bool perspective, const LColor &wireframe_color) :
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_mode(mode),
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_thickness(thickness),
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_perspective(perspective),
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_wireframe_color(wireframe_color)
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{
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}
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/**
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* Returns the render mode.
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*/
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INLINE RenderModeAttrib::Mode RenderModeAttrib::
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get_mode() const {
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return _mode;
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}
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/**
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* Returns the line width or point thickness. This is only relevant when
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* rendering points or lines, such as when the mode is M_wireframe or M_point
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* (or when rendering actual points or lines primitives in M_polygon mode).
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*/
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INLINE PN_stdfloat RenderModeAttrib::
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get_thickness() const {
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return _thickness;
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}
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/**
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* Returns the perspective flag. When this is true, the point thickness
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* represented by get_thickness() is actually a width in 3-d units, and the
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* points should scale according to perspective. When it is false, the
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* default, the point thickness is actually a width in pixels, and points are
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* a uniform size regardless of distance from the camera.
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*/
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INLINE bool RenderModeAttrib::
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get_perspective() const {
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return _perspective;
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}
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/**
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* Returns the color that is used in M_filled_wireframe mode to distinguish
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* the wireframe from the rest of the geometry.
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*/
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INLINE const LColor &RenderModeAttrib::
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get_wireframe_color() const {
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return _wireframe_color;
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}
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/**
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* Returns the union of the Geom::GeomRendering bits that will be required
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* once this RenderModeAttrib is applied to a geom which includes the
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* indicated geom_rendering bits.
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*/
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INLINE int RenderModeAttrib::
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get_geom_rendering(int geom_rendering) const {
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if (_mode == M_point) {
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geom_rendering |= Geom::GR_point | Geom::GR_render_mode_point;
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} else if (_mode == M_wireframe) {
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geom_rendering |= Geom::GR_render_mode_wireframe;
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}
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if ((geom_rendering & Geom::GR_point) != 0) {
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if (_perspective) {
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geom_rendering |= (Geom::GR_point_perspective | Geom::GR_point_uniform_size);
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} else if (_thickness != 1.0f) {
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geom_rendering |= Geom::GR_point_uniform_size;
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}
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}
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return geom_rendering;
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}
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