SSTEXT3D.H
/******************************Module*Header*******************************\
* Module Name: sstext3d.h
*
* Global header for text3D screen saver.
*
* Copyright (c) 1994 Microsoft Corporation
*
\**************************************************************************/
#ifndef __sstext3d_h__
#define __sstext3d_h__
#include <commctrl.h>
#include "dlgs.h"
#include "sscommon.h"
#define PI_OVER_2 (PI/2.0f)
#define PI_OVER_4 (PI/4.0f)
#define TEXT_BUF_SIZE 100 // max length of display text buffer
// (including NULL termination)
#define TEXT_LIMIT 16 // max length of user-inputted display text
#define MAX_IROT 100 // max integer rotation level (from slider)
#define MIN_SLIDER 0
#define MAX_SLIDER 100
// demo types
enum {
DEMO_STRING = 0, // static string
DEMO_CLOCK, // digital clock
DEMO_VSTRING, // variable string (actually a subset of DEMO_STRING)
};
#define MAX_DEMO 1 // max demo index
#define NUM_DEMOS (MAX_DEMO+1)
// surface styles
enum {
SURFSTYLE_SOLID = 0,
SURFSTYLE_TEX,
SURFSTYLE_WIREFRAME
};
// rotation styles
enum {
ROTSTYLE_NONE = 0,
ROTSTYLE_SEESAW,
ROTSTYLE_WOBBLE,
ROTSTYLE_RANDOM,
NUM_ROTSTYLES
};
enum {
X_AXIS = 0,
Y_AXIS,
Z_AXIS,
NUM_AXIS
};
#if defined(max)
#undef max
#endif
#define max( a, b ) ( a >= b ? a : b )
#if defined(clamp)
#undef clamp
#endif
#define clamp( a, lo, hi ) ( (a < lo) ? lo : ((a > hi) ? hi : a) )
#define deg_to_rad( a ) ( (a*PI) / 180.0f )
#define rad_to_deg( a ) ( (a*180.0f) / PI )
typedef struct {
USHORT listNum; // display list number
TCHAR glyph; // glyph value (for extended LUT entries)
LPGLYPHMETRICSFLOAT lpgmf; // ptr to glyphmetrics
} LISTENTRY;
#define SIZE_LIST_LUT 512
#define MAX_DIRECT_LUT 256
typedef struct {
HDC hdc;
int nGlyphs; // number of glyphs
int firstGlyph;
FLOAT chordalDeviation;
FLOAT extrusion;
int type; // WGL_FONT_LINES or WGL_FONT_POLYGONS
LISTENTRY *listLUT; // LUT for cmd list # from glyph
int LUTIndex; // current index for new indirect look-ups
} WglFontContext;
typedef struct {
// registry or registry-derived attributes
int demoType;
BOOL bMaterialCycle;
int matType; // material type from registry
MATERIAL *pMat; // ptr to current material
int surfStyle;
int rotStyle; // rotation style
int texQual;
float fTesselFact;
float fDepth; // extrusion
int iSpeed; // rotation speed
UINT uSize; // window size
TEXFILE texFile; // texture file
TEXTURE texture;
TCHAR szFontName[LF_FACESIZE]; // font face name
BOOL bBold;
BOOL bItalic;
BYTE charSet;
TCHAR szText[TEXT_BUF_SIZE+1]; // display string
USHORT usText[TEXT_BUF_SIZE+1]; // display string converted to cmd lists
// internal attributes
BOOL bTexture;
BOOL bRandomMat;
WglFontContext *pWglFontC;
int textLen;
POINTFLOAT pfTextExtent;
POINTFLOAT pfTextOrigin; // upper left corner of extents
POINT3D p3dBoundingBox; // bounding box, from spin angles
FLOAT fFovy; // field of view in y-dir
FLOAT fAspect; // aspect ratio of GL window
FLOAT fViewDist; // dist to front of bounding box
FLOAT fZtrans; // translation in z
int iRotStep; // rotation step from slider
int iRotMinStep; // min rotation step
int iRotMaxStep; // max rotation step
IPOINT3D ip3dRotStep; // xyz rot step, for random rotation
IPOINT3D ip3dRoti; // current xyz rot step iteration
POINT3D p3dRotMin; // min rotation amplitude
POINT3D p3dRotMax; // max rotation amplitude
POINT3D p3dRotLimit; // current rotation amplitude
POINT3D p3dRot; // current rotation
POINTFLOAT *pTrig; // current trig table
SYSTEMTIME stTime;
BOOL bXMajor; // string either x-major or y-major
SSContext ssc; // screen saver configuration
} AttrContext;
// Global attribute context
extern AttrContext gac;
extern WglFontContext* CreateWglFontContext (
HDC hdc,
int type,
float fExtrusion,
float fChordalDeviation );
extern void DeleteWglFontContext(
WglFontContext *pwfc );
extern void DrawString (
USHORT *string,
int strLen,
WglFontContext *pwfc );
extern int GetStringExtent(
LPTSTR pszString,
POINTFLOAT *extent,
POINTFLOAT *origin,
WglFontContext *pwfc );
extern void ConvertStringToList(
LPTSTR pszSrc,
USHORT *usDst,
WglFontContext *pwfc );
extern void getIniSettings(void);
// Resource constants
#define IDS_SCREENSAVERTITLE 1020
#define IDS_SAVERNAME 1002
// registry attribute strings:
#define IDS_DEMOTYPE 1100
#define IDS_SURFSTYLE 1104
#define IDS_FONT 1109
#define IDS_FONT_ATTRIBUTES 1110
#define IDS_CHARSET 1111
#define IDS_TEXT 1115
#define IDS_SPEED 1120
#define IDS_ROTSTYLE 1124
// demo type strings
#define IDS_DEMO_STRING 1200
#define IDS_DEMO_CLOCK 1201
// rotation resource strings
#define IDS_ROTSTYLE_NONE 1400
#define IDS_ROTSTYLE_SEESAW 1401
#define IDS_ROTSTYLE_WOBBLE 1402
#define IDS_ROTSTYLE_RANDOM 1403
#define DLG_SETUP_HELP 2001
#define DLG_SETUP_TYPES 2002 // object type menu
#define DLG_SETUP_BITMAP 2003
#define DLG_SETUP_ABOUT 2010
#define DLG_SETUP_TESSEL 2012 // tesselation slider
#define DLG_SETUP_SIZE 2014 // size slider
#define DLG_SETUP_TEX 2016 // texture button
#define DLG_SETUP_FONT 2022 // select font button
#define DLG_SETUP_SPEED 2023 // speed slider
// surface styles
#define IDC_RADIO_SOLID 2030
#define IDC_RADIO_TEX 2031
#define IDC_RADIO_WIREFRAME 2032 // not presently used
#define IDC_TO_SURFSTYLE(n) ( (n) - IDC_RADIO_SOLID )
// In order for the IDC_TO_SURFSTYLE conversion macro to work, the radio buttons
// for surface styles must be kept contiguous.
// rotation styles
#define DLG_SETUP_ROTSTYLE 4100
// demo type
#define IDC_DEMO_STRING 5000
#define IDC_DEMO_CLOCK 5001
#define IDC_TO_DEMOTYPE(n) ( (n) - IDC_DEMO_STRING )
// sliders
#define IDC_STATIC_TESS 2051 // box around slider
#define IDC_STATIC_TESS_MIN 2052 // min label
#define IDC_STATIC_TESS_MAX 2053 // max label
#define IDC_STATIC_SIZE 2054
#define IDC_STATIC_SIZE_MIN 2055
#define IDC_STATIC_SIZE_MAX 2056
// rotation sliders
#define IDC_STATIC_ROTATION_GRP 5000
// configure text dialog box stuff
#define IDS_TEXT_TITLE 3001
#define DLG_TEXT_ENTER 3020
#define DLG_TEXT_SHOW 3021
// Choose font template
#define DLG_CF_TEMPLATE 6000
#define IDD_FONT 6001
// Default texture resource
#define IDB_DEFTEX 7000
#define SHELP_CONTENTS 01
#define SHELP_SHAPES 02
#define SHELP_PASSWORD 03
#define SHELP_COLOR 04
#define SHELP_MISC 05
#define SHELP_OVERVIEW 06
//
// Neutral ANSI/UNICODE types and macros plucked from ntdef.h
//
#ifdef UNICODE
typedef WCHAR TCHAR, *PTCHAR;
#else /* UNICODE */
typedef unsigned char TUCHAR, *PTUCHAR;
#endif /* UNICODE */
#endif // __sstext3d_h__