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//
// NSOpenGLContext+DrawingExtensions.h
// TheBigRedButton
//
// Created by Uli Kusterer on 02.09.07.
// Copyright 2007 M. Uli Kusterer.
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
#import <Cocoa/Cocoa.h>
// This is our equivalent to NSPoint:
typedef struct _UK3DPoint
{
float x; // Horizontal.
float y; // Vertical.
float z; // Depth.
} UK3DPoint;
// Quads are four-sided polygons. Since we're talking
// 3D, "top", "left", "bottom" and "right" don't make
// much sense, but the drawing order is the same, so
// all points are connected to their predecessors, and
// in addition to that, A is connected to D.
typedef struct _UK3DQuad
{
UK3DPoint a;
UK3DPoint b;
UK3DPoint c;
UK3DPoint d;
} UK3DQuad;
@interface NSOpenGLContext (UKDrawingExtensions)
-(void) fillQuad: (UK3DQuad)quad;
-(void) fillQuadReflection: (UK3DQuad)quad;
-(void) fillQuadShadow: (UK3DQuad)quad;
@end
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