GraphicsConstants.h

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//
// Copyright 2010 Autodesk, Inc.  All rights reserved.
//
// Use of this software is subject to the terms of the Autodesk license
// agreement provided at the time of installation or download, or which
// otherwise accompanies this software in either electronic or hard copy form.  
//
//
#pragma once
#include <WTypes.h>

#define DISP_VERTTICKS      (1<<0)  //!< Display vertices as tick marks.
#define DISP_BEZHANDLES     (1<<1)  //!< Display Bezier handles.
#define DISP_OBJSELECTED    (1<<8)  //!< Mimics COMP_OBJSELECTED in mesh.h 
#define DISP_SELVERTS       (1<<10) //!< Display selected vertices. 
#define DISP_SELFACES       (1<<11) //!< Display selected faces. 
#define DISP_SELSEGMENTS    (1<<11) //!< Display selected segments.
#define DISP_SELPATCHES     (1<<11) //!< Display selected patches.
#define DISP_SELEDGES       (1<<12) //!< Display selected edges.
#define DISP_SELPOLYS       (1<<13) //!< Display selected polygons.
#define DISP_SELHANDLES     (1<<14) //!< Display selected handles.
#define DISP_UNSELECTED     (1<<14) //!< Used by loft -- Shape unselected
#define DISP_SELECTED       (1<<15) //!< Used by loft -- Shape selected
#define DISP_LATTICE        (1<<16)
#define DISP_ATSHAPELEVEL   (1<<16) //!< Used by loft -- Shape at current level 
#define DISP_VERT_NUMBERS   (1<<17) //!< When this bit is set, and vertex ticks are being displayed, the shape is drawn with vertex numbers in addition to the ticks.
#define DISP_VERTS          (1<<17)
#define DISP_VERT_NUMBERS_SELONLY   (1<<18) //!< When this bit is set and the DISP_VERT_NUMBERS bit is set, only the numbers of selected vertices are displayed.
#define DISP_SPLINES_ORTHOG (1<<25)  //!< Not displayed, but splines to be created orthogonally


#define PSHAPE_BUILTIN_STEPS -2     //!< Uses the shape's built-in steps/adaptive settings (default) 
#define PSHAPE_ADAPTIVE_STEPS -1    //!< Forces adaptive steps 



#define SHAPE_OBJECT        (1<<0) //!< Object level selection. 
#define SHAPE_SPLINE        (1<<1) //!< Spline level selection (a single polygon within the shape).
#define SHAPE_SEGMENT       (1<<2) //!< Segment level selection.
#define SHAPE_VERTEX        (1<<3) //!< Vertex level selection.


// Arguments for the Flag parameter of the internal function BezierShape::SubObjectHitTest()
// these are the same bits used for object level.*/
#define SUBHIT_SHAPE_SELONLY    (1<<0)
#define SUBHIT_SHAPE_UNSELONLY  (1<<2)
#define SUBHIT_SHAPE_ABORTONHIT (1<<3)
#define SUBHIT_SHAPE_SELSOLID   (1<<4)

#define SUBHIT_SHAPE_VERTS      (1<<24)
#define SUBHIT_SHAPE_SEGMENTS   (1<<25)
#define SUBHIT_SHAPE_POLYS      (1<<26)
#define SUBHIT_SHAPE_TYPEMASK   (SUBHIT_SHAPE_VERTS|SUBHIT_SHAPE_SEGMENTS|SUBHIT_SHAPE_POLYS)



#define IPB_STEPS       0
#define IPB_OPTIMIZE    1
#define IPB_ADAPTIVE    2


#define DEF_STEPS 6
#define DEF_OPTIMIZE TRUE
#define DEF_ADAPTIVE FALSE
#define DEF_RENDERABLE FALSE
#define DEF_DISPRENDERMESH FALSE
//#define DEF_USEVIEWPORT FALSE
#define DEF_RENDERABLE_THICKNESS 1.0f
#define DEF_RENDERABLE_SIDES 12
#define DEF_RENDERABLE_ANGLE 0.0f
#define DEF_GENUVS FALSE


#define PARAM_SIMPLE 0      // Parameter space based on segments
#define PARAM_NORMALIZED 1  // Parameter space normalized to curve length


#define GW_DRV_RENDERER     0 
#define GW_DRV_DEVICE       1 



#define GW_HEIDI            0
#define GW_OPENGL           1
#define GW_DIRECT3D         2
#define GW_HEIDI3D          3
#define GW_NULL             4
#define GW_CUSTOM           5
#define GW_NITROUS          6


#define POINT_RGN   0x0001
#define RECT_RGN    0x0002
#define CIRCLE_RGN  0x0004
#define FENCE_RGN   0x0008



#define RGN_DIR_UNDEF   -1
#define RGN_DIR_RIGHT   0   
#define RGN_DIR_LEFT    1



const double pi        = 3.141592653589793;         
const double piOver180 = 3.141592653589793 / 180.0; 



#define AC_DIR_RL_CROSS     0 //!< Right to left implies crossing (AutoCAD compatible)
#define AC_DIR_LR_CROSS     1 //!< Left to right implies crossing (AutoCAD incompatible)



#define WM_SHUTDOWN         (WM_USER+2001) 
#define WM_INIT_COMPLETE    (WM_USER+2002)



#define GW_MAX_FILE_LEN     128 
#define GW_MAX_CAPTION_LEN  128 
#define GW_MAX_VERTS        32
#define GFX_MAX_STRIP       100
#define GFX_MAX_TEXTURES    8



#define GW_NO_ATTS              0x0000000
#define GW_WIREFRAME            0x0000001
#define GW_ILLUM                0x0000002
#define GW_FLAT                 0x0000004
#define GW_SPECULAR             0x0000008
#define GW_TEXTURE              0x0000010
#define GW_Z_BUFFER             0x0000020
#define GW_PERSP_CORRECT        0x0000040
#define GW_POLY_EDGES           0x0000080
#define GW_BACKCULL             0x0000100
#define GW_TWO_SIDED            0x0000200
#define GW_COLOR_VERTS          0x0000400
#define GW_SHADE_CVERTS         0x0000800
#define GW_PICK                 0x0001000
#define GW_BOX_MODE             0x0002000
#define GW_ALL_EDGES            0x0004000
#define GW_VERT_TICKS           0x0008000
#define GW_SHADE_SEL_FACES      0x0010000
#define GW_TRANSPARENCY         0x0020000
#define GW_TRANSPARENT_PASS     0x0040000
#define GW_EMISSIVE_VERTS       0x0080000
#define GW_ALL_OPAQUE           0x0100000
#define GW_EDGES_ONLY           0x0200000
#define GW_CONSTANT             0x0400000
#define GW_HIDDENLINE           0x0800000 //!< Similar to GW_CONSTANT but the shade color will be the color of the background.
#define GW_BLENDING             0x1000000
#define GW_DEPTHWRITE_DISABLE   0x2000000 //!< Disables writing into the depth buffer



#define GW_LIGHTING         (GW_ILLUM | GW_SPECULAR)



#define GW_SHAPE_RECT       0
#define GW_SHAPE_CIRCULAR   1



#define GW_TEX_NO_TILING    0
#define GW_TEX_REPEAT       1
#define GW_TEX_MIRROR       2




#define GW_TEX_LEAVE                0   //!< Use the source pixel value
#define GW_TEX_REPLACE              1   //!< Use the texture pixel value
#define GW_TEX_MODULATE             2   //!< Multiply the source with the texture
#define GW_TEX_ADD                  3   //!< Add the source and texture
#define GW_TEX_ADD_SIGNED           4   //!< Add the source and texture with an 0.5 subtraction
#define GW_TEX_SUBTRACT             5   //!< Subtract the source from the texture
#define GW_TEX_ADD_SMOOTH           6   //!< Add the source and the texture then subtract their product
#define GW_TEX_ALPHA_BLEND          7   //!< Alpha blend the texture with the source
#define GW_TEX_PREMULT_ALPHA_BLEND  8   //!< Alpha blend the the source with a premultiplied alpha texture
#define GW_TEX_ALPHA_BLEND2         9   //!< Alpha blend the the source with a premultiplied alpha texture with GL_MODULATE as the tex env instead of GL_DECAL.



#define GW_TEX_SCALE_1X     0   //!< Multiply the tex op result by 1
#define GW_TEX_SCALE_2X     1   //!< Multiply the tex op result by 2
#define GW_TEX_SCALE_4X     2   //!< Multiply the tex op result by 4



#define GW_TEX_ZERO         0   //!< Use no alpha value
#define GW_TEX_SOURCE       1   //!< Use the source alpha
#define GW_TEX_TEXTURE      2   //!< Use the texture alpha
#define GW_TEX_CONSTANT     3   //!< Use a constant BGRA color as an alpha
#define GW_TEX_PREVIOUS     4   //!< Use the previous texture stage alpha



#define GW_LEFT_PLANE       0x0100
#define GW_RIGHT_PLANE      0x0200
#define GW_BOTTOM_PLANE     0x0400
#define GW_TOP_PLANE        0x0800
#define GW_FRONT_PLANE      0x1000
#define GW_BACK_PLANE       0x2000
#define GW_PLANE_MASK       0x3f00



#define GW_EDGE_SKIP        0
#define GW_EDGE_VIS         1
#define GW_EDGE_INVIS       2



#define BUF_F_BUFFER        0
#define BUF_Z_BUFFER        1



#define GW_DOES_SUPPORT         TRUE
#define GW_DOES_NOT_SUPPORT     FALSE



#define GW_SPT_TXT_CORRECT      0   //!< Allow perspective correction to be toggled?
#define GW_SPT_GEOM_ACCEL       1   //!< Do 3D xforms, clipping, lighting thru driver?
#define GW_SPT_TRI_STRIPS       2   //!< Send down strips instead of individual triangles?
#define GW_SPT_DUAL_PLANES      3   //!< Allow dual planes to be used?
#define GW_SPT_SWAP_MODEL       4   //!< Update viewports with complete redraw on WM_PAINT?
#define GW_SPT_INCR_UPDATE      5   //!< Redraw only damaged areas on object move?
#define GW_SPT_1_PASS_DECAL     6   //!< Do decaling with only one pass?
#define GW_SPT_DRIVER_CONFIG    7   //!< Allow driver config dialog box?
#define GW_SPT_TEXTURED_BKG     8   //!< Is viewport background a texture?
#define GW_SPT_VIRTUAL_VPTS     9   //!< Are viewports bigger than the window allowed?
#define GW_SPT_PAINT_DOES_BLIT  10  //!< Does WM_PAINT cause a backbuffer blit?
#define GW_SPT_WIREFRAME_STRIPS 11  //!< Are wireframe objects are sent as tristrips?
#define GW_SPT_ORG_UPPER_LEFT   12  //!< Is the device origin at upper left?
#define GW_SPT_ARRAY_PROCESSING 13  //!< Can the drive handle vertex array data?
#define GW_SPT_NUM_LIGHTS       14  //!< Number of lights supported?
#define GW_SPT_NUM_TEXTURES     15  //!< Number of multitexture stages supported?
#define GW_SPT_WIRE_FACES       16  //!< Support for wireframe faces with visibility flags?
#define GW_SPT_TOTAL            17  //!< The maximum number of support queries.



#define GW_DISPLAY_MAXIMIZED    1
#define GW_DISPLAY_WINDOWED     2
#define GW_DISPLAY_INVISIBLE    3



#define GW_PASS_ONE             0
#define GW_PASS_TWO             1



#define GW_ATTEN_NONE       0x0000
#define GW_ATTEN_START      0x0001
#define GW_ATTEN_END        0x0002
#define GW_ATTEN_LINEAR     0x0010
#define GW_ATTEN_QUAD       0x0020



#define SYSTEM_LOCK_RETURN 0x001 
#define SYSTEM_REMOTE_RETURN 0x002