479 lines
13 KiB
C
479 lines
13 KiB
C
/******************************Module*Header*******************************\
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* Module Name: sscommon.h
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*
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* Defines and externals for screen saver common shell
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*
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* Copyright (c) 1994 Microsoft Corporation
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*
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\**************************************************************************/
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#ifndef __sscommon_h__
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#define __sscommon_h__
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#include <GL\gl.h>
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#include <assert.h>
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#include "tk.h"
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#include "matname.h" // material names
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "ssdebug.h"
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#define FAILURE 0
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#define SUCCESS 1
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// Maximum texture bitmap dimensions.
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#define TEX_WIDTH_MAX 1280
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#define TEX_HEIGHT_MAX 1024
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#define PI 3.14159265358979323846f
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// double version of PI
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#define PI_D 3.14159265358979323846264338327950288419716939937510
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#define ONE_OVER_PI (1.0f / PI)
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#define ROOT_TWO 1.414213562373f
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#define GEN_STRING_SIZE 64
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// texture quality level
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enum {
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TEXQUAL_DEFAULT = 0,
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TEXQUAL_HIGH
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};
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typedef struct _point2d {
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GLfloat x;
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GLfloat y;
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} POINT2D;
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typedef struct _ipoint2d {
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int x;
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int y;
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} IPOINT2D;
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typedef struct _point3d {
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GLfloat x;
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GLfloat y;
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GLfloat z;
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} POINT3D;
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typedef struct _ipoint3d {
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int x;
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int y;
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int z;
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} IPOINT3D;
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typedef struct _texpoint2d {
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GLfloat s;
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GLfloat t;
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} TEX_POINT2D;
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typedef struct _isize {
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int width;
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int height;
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} ISIZE;
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typedef struct _fsize {
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GLfloat width;
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GLfloat height;
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} FSIZE;
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typedef struct _glrect {
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int x, y;
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int width, height;
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} GLRECT;
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// texture data
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typedef struct {
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int width;
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int height;
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GLenum format;
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GLsizei components;
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float origAspectRatio; // original width/height aspect ratio
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unsigned char *data;
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GLuint texObj; // texture object
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int pal_size;
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int iPalRot; // current palette rotation (not used yet)
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RGBQUAD *pal;
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} TEXTURE, *HTEXTURE;
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#ifndef GL_EXT_paletted_texture
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#define GL_COLOR_INDEX1_EXT 0x80E2
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#define GL_COLOR_INDEX2_EXT 0x80E3
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#define GL_COLOR_INDEX4_EXT 0x80E4
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#define GL_COLOR_INDEX8_EXT 0x80E5
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#define GL_COLOR_INDEX12_EXT 0x80E6
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#define GL_COLOR_INDEX16_EXT 0x80E7
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typedef void (APIENTRY * PFNGLCOLORTABLEEXTPROC)
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(GLenum target, GLenum internalFormat, GLsizei width, GLenum format,
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GLenum type, const GLvoid *data);
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typedef void (APIENTRY * PFNGLCOLORSUBTABLEEXTPROC)
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(GLenum target, GLsizei start, GLsizei count, GLenum format,
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GLenum type, GLvoid *data);
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#endif
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// texture resource
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#define RT_RGB 99
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#define RT_MYBMP 100
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#define RT_A8 101
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// texture resource types
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enum {
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TEX_UNKNOWN = 0,
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TEX_RGB,
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TEX_BMP,
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TEX_A8
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};
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typedef struct {
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int type;
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int name;
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} TEX_RES;
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typedef struct _MATRIX {
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GLfloat M[4][4];
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} MATRIX;
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typedef struct strRGBA {
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GLfloat r;
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GLfloat g;
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GLfloat b;
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GLfloat a;
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} RGBA;
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typedef struct {
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BYTE r;
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BYTE g;
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BYTE b;
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} RGB8;
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typedef struct {
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BYTE r;
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BYTE g;
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BYTE b;
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BYTE a;
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} RGBA8;
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// DlgDraw
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enum {
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DLG_INTENSITY_LOW = 0,
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DLG_INTENSITY_MID,
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DLG_INTENSITY_HIGH,
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};
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// Callback function defines
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typedef void (CALLBACK* SSINITPROC)( void *);
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typedef void (CALLBACK* SSRESHAPEPROC)(int, int, void *);
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typedef void (CALLBACK* SSREPAINTPROC)( LPRECT, void *);
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typedef void (CALLBACK* SSUPDATEPROC)( void *);
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typedef void (CALLBACK* SSFINISHPROC)( void *);
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typedef void (CALLBACK* SSFLOATERFAILPROC)(void *);
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typedef void (CALLBACK* SSFLOATERBOUNCEPROC)( void *);
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// Defines for pixel format (internal use)
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#define SS_DOUBLEBUF_BIT (1 << 0)
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#define SS_DEPTH16_BIT (1 << 1)
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#define SS_DEPTH32_BIT (1 << 2)
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#define SS_ALPHA_BIT (1 << 3)
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#define SS_BITMAP_BIT (1 << 4)
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#define SS_NO_SYSTEM_PALETTE_BIT (1 << 5)
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#define SS_GENERIC_UNACCELERATED_BIT (1 << 6)
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#define SS_HAS_DOUBLEBUF(x) ((x) & SS_DOUBLEBUF_BIT)
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#define SS_HAS_DEPTH16(x) ((x) & SS_DEPTH16_BIT)
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#define SS_HAS_DEPTH32(x) ((x) & SS_DEPTH32_BIT)
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#define SS_HAS_ALPHA(x) ((x) & SS_ALPHA_BIT)
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#define SS_HAS_BITMAP(x) ((x) & SS_BITMAP_BIT)
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// Depth types
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enum {
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SS_DEPTH_NONE = 0,
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SS_DEPTH16,
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SS_DEPTH32,
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};
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// ss context structures
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// Note: all *_INFO structures are requests between common and client ss
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typedef struct {
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POINT2D posInc; // base position increment
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POINT2D posIncVary; // +/- variation for posInc on bounce
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} MOTION_INFO;
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// internal motion structure
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typedef struct {
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POINT2D pos; // position
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POINT2D posInc; // base position increment
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POINT2D posIncVary; // +/- variation for posInc on bounce
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POINT2D posIncCur; // Current position increment
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} MOTION;
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// Size and motion attributes of the OpenGL window that floats around.
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typedef struct {
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ISIZE size;
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IPOINT2D pos; // position
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MOTION_INFO motionInfo;
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} CHILD_INFO;
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typedef void (CALLBACK* SSCHILDSIZEPROC)( ISIZE *, CHILD_INFO * );
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// Size and motion attributes of the OpenGL window that floats around.
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typedef struct {
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BOOL bMotion; // if floater should move or not
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BOOL bSubWindow; // If floater is logical sub-window
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SSCHILDSIZEPROC ChildSizeFunc; // Callback to set size based on parent
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} FLOATER_INFO;
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// SS_BITMAP already defined in winuser.h
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#if defined( SS_BITMAP )
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#undef SS_BITMAP
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#endif
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typedef struct {
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HDC hdc;
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ISIZE size;
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HBITMAP hbm;
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HBITMAP hbmOld; // ? necessary ?
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} SS_BITMAP;
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// Attributes for StretchBlt mode
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typedef struct {
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BOOL bRatioMode; // use ratio or base width
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float widthRatio; // e.g. 2 means use base of (window width / 2)
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float heightRatio;
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int baseWidth;
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int baseHeight;
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SS_BITMAP ssbm;
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} STRETCH_INFO;
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typedef struct {
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BOOL bFloater;
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FLOATER_INFO floaterInfo;
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BOOL bStretch;
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STRETCH_INFO stretchInfo;
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BOOL bDoubleBuf;
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int depthType;
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} SSContext, SSC, *PSSC;
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typedef struct _MATERIAL {
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RGBA ka;
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RGBA kd;
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RGBA ks;
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GLfloat specExp;
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} MATERIAL;
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// texture file info
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typedef struct {
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int nOffset; // filename offset into pathname
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TCHAR szPathName[MAX_PATH]; // texture pathname
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} TEXFILE;
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// texture file processing messages
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typedef struct {
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TCHAR szWarningMsg[MAX_PATH];
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TCHAR szBitmapSizeMsg[MAX_PATH];
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TCHAR szBitmapInvalidMsg[MAX_PATH];
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TCHAR szSelectAnotherBitmapMsg[MAX_PATH];
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TCHAR szTextureDialogTitle[GEN_STRING_SIZE];
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TCHAR szTextureFilter[2*GEN_STRING_SIZE];
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TCHAR szBmp[GEN_STRING_SIZE];
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TCHAR szDotBmp[GEN_STRING_SIZE];
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} TEX_STRINGS;
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// Resource constants common to all screen savers
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#define IDS_COPYRIGHT 9001
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#define IDS_GENNAME 9003
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#define IDS_INIFILE 9006
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#define IDS_HELPFILE 9009
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#define IDS_WARNING 9014
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#define IDS_ERROR 9015
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#define IDS_BITMAP_SIZE 9016
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#define IDS_BITMAP_INVALID 9017
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#define IDS_SELECT_ANOTHER_BITMAP 9018
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#define IDS_START_FAILED 9019
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#define IDS_TEXTUREFILTER 9021
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#define IDS_TEXTUREDIALOGTITLE 9022
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#define IDS_BMP 9023
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#define IDS_DOTBMP 9024
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#define IDS_STARDOTBMP 9025
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#define IDS_RGB 9030
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#define IDS_DOTRGB 9031
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#define IDS_STARDOTRGB 9032
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#define IDS_TEXTURE 9126
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#define IDS_TEXTURE_FILE_OFFSET 9127
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#define IDS_SIZE 9129
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#define IDS_TESSELATION 9130
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// Useful macros
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#define SS_MAX( a, b ) \
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( a > b ? a : b )
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#define SS_MIN( a, b ) \
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( a < b ? a : b )
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// macro to round up floating values
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#define SS_ROUND_UP( fval ) \
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( (((fval) - (FLOAT)(int)(fval)) > 0.0f) ? (int) ((fval)+1.0f) : (int) (fval) )
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// macros to clamp a value within a range
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#define SS_CLAMP_TO_RANGE( a, lo, hi ) ( (a < lo) ? lo : ((a > hi) ? hi : a) )
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#define SS_CLAMP_TO_RANGE2( a, lo, hi ) \
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( a = (a < lo) ? lo : ((a > hi) ? hi : a) )
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// degree<->radian macros
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#define ONE_OVER_180 (1.0f / 180.0f)
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#define SS_DEG_TO_RAD( a ) ( (a*PI) * ONE_OVER_180 )
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#define SS_RAD_TO_DEG( a ) ( (a*180.0f) * ONE_OVER_PI )
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extern MATERIAL TeaMaterial[], TexMaterial[], ss_BlackMat;
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// window handling
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extern void ss_InitFunc(SSINITPROC);
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extern void ss_ReshapeFunc(SSRESHAPEPROC);
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extern void ss_RepaintFunc(SSREPAINTPROC);
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extern void ss_UpdateFunc(SSUPDATEPROC);
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extern void ss_FinishFunc(SSFINISHPROC);
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extern void ss_FloaterBounceFunc(SSFLOATERBOUNCEPROC);
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// This function *must* be defined by the screen saver
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extern SSContext* ss_Init(void);
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extern BOOL ss_ConfigInit( HWND hDlg );
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extern void ss_DataPtr( void * );
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extern BOOL ss_SetWindowAspectRatio( FLOAT aspect );
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extern void ss_RandomWindowPos( void );
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extern HWND ss_GetHWND();
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extern HWND ss_GetGLHWND();
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extern void ss_GetScreenSize( ISIZE *size );
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extern HBITMAP
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SSDIB_CreateCompatibleDIB(HDC hdc, HPALETTE hpal, ULONG ulWidth, ULONG ulHeight,
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PVOID *ppvBits);
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extern BOOL APIENTRY SSDIB_UpdateColorTable(HDC hdcMem, HDC hdc, HPALETTE hpal);
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// Palette manage procs
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extern LONG MainPaletteManageProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);
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extern LONG PaletteManageProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);
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extern LONG FullScreenPaletteManageProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);
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extern LONG NullPaletteManageProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);
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// material processing
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extern void ss_InitTeaMaterials();
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extern void ss_InitTexMaterials();
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extern void ss_InitMaterials();
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extern void ss_SetMaterial( MATERIAL *pMat );
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extern void ss_SetMaterialIndex( int index );
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extern MATERIAL *ss_RandomTeaMaterial( BOOL bSet );
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extern int ss_RandomTeaMaterialIndex( BOOL bSet );
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extern MATERIAL *ss_RandomTexMaterial( BOOL bSet );
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extern int ss_RandomTexMaterialIndex( BOOL bSet );
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extern void ss_CreateMaterialGradient( MATERIAL *matInc, MATERIAL *startMat,
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MATERIAL *endMat, int transCount );
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extern void ss_TransitionMaterial( MATERIAL *transMat, MATERIAL *transMatInc );
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// color
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extern void ss_HsvToRgb(float h, float s, float v, RGBA *color );
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// clear
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extern int ss_RectWipeClear( int width, int height, int repCount );
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extern int ss_DigitalDissolveClear( int width, int height, int size );
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// utility
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extern void ss_RandInit( void );
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extern int ss_iRand( int max );
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extern int ss_iRand2( int min, int max );
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extern FLOAT ss_fRand( FLOAT min, FLOAT max );
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extern BOOL ss_ChangeDisplaySettings( int width, int height, int bitDepth );
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extern void ss_QueryDisplaySettings( void );
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extern void ss_QueryOSVersion( void );
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extern void ss_QueryGLVersion( void );
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extern BOOL ss_fOnWin95( void );
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extern BOOL ss_fOnNT35( void );
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extern BOOL ss_fOnGL11( void );
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extern BOOL ss_fPreviewMode( void );
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extern BOOL ss_fFullScreenMode( void );
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extern BOOL ss_fWindowMode( void );
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extern BOOL ss_fConfigMode( void );
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extern BOOL ss_RedrawDesktop( void );
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// texture file processing
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extern int ss_LoadBMPTextureFile( LPCTSTR pszBmpfile, TEXTURE *pTex );
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extern int ss_LoadTextureFile( TEXFILE *texFile, TEXTURE *pTex );
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extern int ss_LoadTextureResource( TEX_RES *pTexRes, TEXTURE *pTex );
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extern BOOL ss_CopyTexture( TEXTURE *pTexDst, TEXTURE *pTexSrc );
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extern BOOL ss_SetTextureTransparency( TEXTURE *pTex, float alpha, BOOL bSet );
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extern void ss_DisableTextureErrorMsgs();
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extern void ss_SetTexture( TEXTURE *pTex );
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extern void ss_SetTexturePalette( TEXTURE *pTex, int index );
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extern void ss_DeleteTexture( TEXTURE *pTex );
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extern BOOL ss_LoadTextureResourceStrings();
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extern BOOL ss_DIBImageLoad(PVOID pvFile, TEXTURE *ptex);
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extern BOOL ss_RGBImageLoad(PVOID pvFile, TEXTURE *ptex);
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extern BOOL ss_A8ImageLoad(PVOID pvFile, TEXTURE *ptex);
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extern BOOL ss_VerifyTextureFile( TEXFILE *ptf );
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extern BOOL ss_SelectTextureFile( HWND hDlg, TEXFILE *ptf );
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extern void ss_GetDefaultBmpFile( LPTSTR pszBmpFile );
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extern void ss_InitAutoTexture( TEX_POINT2D *pTexRep );
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// texture objects
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extern BOOL ss_TextureObjectsEnabled( void );
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// Paletted texture support
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extern BOOL ss_PalettedTextureEnabled(void);
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extern BOOL ss_QueryPalettedTextureEXT(void);
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// math functions
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extern POINT3D ss_ptZero;
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extern void ss_xformPoint(POINT3D *ptOut, POINT3D *ptIn, MATRIX *);
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extern void ss_xformNorm(POINT3D *ptOut, POINT3D *ptIn, MATRIX *);
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extern void ss_matrixIdent(MATRIX *);
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extern void ss_matrixRotate(MATRIX *m, double xTheta, double yTheta, double zTheta);
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extern void ss_matrixTranslate(MATRIX *, double xTrans, double yTrans, double zTrans);
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extern void ss_matrixMult( MATRIX *m1, MATRIX *m2, MATRIX *m3 );
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extern void ss_calcNorm(POINT3D *norm, POINT3D *p1, POINT3D *p2, POINT3D *p3);
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extern void ss_normalizeNorm(POINT3D *);
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extern void ss_normalizeNorms(POINT3D *, ULONG);
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// registry functions
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extern BOOL ss_RegistrySetup( HINSTANCE hinst, int section, int file );
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extern int ss_GetRegistryInt( int name, int iDefault );
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extern void ss_GetRegistryString( int name, LPTSTR lpDefault, LPTSTR lpDest, int bufSize );
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extern void ss_WriteRegistryInt( int name, int iVal );
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extern void ss_WriteRegistryString( int name, LPTSTR lpString );
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// dialog helper functions
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extern int ss_GetTrackbarPos( HWND hDlg, int item );
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extern void ss_SetupTrackbar( HWND hDlg, int item, int lo, int hi, int lineSize, int pageSize, int pos );
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extern BOOL gbTextureObjects; // from texture.c
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#ifdef __cplusplus
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}
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#endif
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#endif // __sscommon_h__
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