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* PROPRIETARY INFORMATION. This software is proprietary to
* Side Effects Software Inc., and is not to be reproduced,
* transmitted, or disclosed in any way without written permission.
* Produced by:
* Side Effects Software Inc
* 123 Front Street West, Suite 1401
* Toronto, Ontario
* Canada M5J 2M2
* 416-504-9876
* NAME: GUI_PolygonNormalShade.h (GR Library, C++)
* Example of a filter hook.
* Replaces Cd in a GT polygon mesh with false N color, mapped from
* normalized [-1,1] to [0,1].
#ifndef GUI_PolygonNormalShade_h
#define GUI_PolygonNormalShade_h
namespace HDK_Sample
/// Render hook which visualizes normals by painting a normal map on
/// polygon geometry with Cd.
class GUI_PolygonNormalShade : public GUI_PrimitiveHook
virtual ~GUI_PolygonNormalShade();
/// The main virtual for filtering GT or GEO primitives. If the hook is
/// interested in the primitive, it should set 'processed' to GR_PROCESSED,
/// even if it is not actively modifying the primitive (in which case
/// return a NULL primitive handle). This ensures that the primitive will
/// be updated when its display option is toggled. If not interested in the
/// primitive at all, set 'processed' to GR_NOT_PROCESSED.
virtual GT_PrimitiveHandle filterPrimitive(const GT_PrimitiveHandle &gt_prm,
const GEO_Primitive *geo_prm,
const GR_RenderInfo *info,
GR_PrimAcceptResult &processed);