?? gsub.c
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#include <stdio.h>#include <stdlib.h>#if defined(_WIN32)#include <windows.h>#include <string.h>#endif#ifndef __APPLE__#include <GL/gl.h>#else#include <OpenGL/gl.h>#endif#include "sdlut.h"#include <AR/config.h>#include <AR/param.h>#include <AR/ar.h>#include "gsub.h"#ifndef GL_ABGR#define GL_ABGR GL_ABGR_EXT#endif#ifndef GL_BGRA#define GL_BGRA GL_BGRA_EXT#endif#ifndef GL_BGR#define GL_BGR GL_BGR_EXT#endif#ifndef GL_RGBA#define GL_RGBA GL_RGBA_EXT#endif#ifndef GL_RGB#define GL_RGB GL_RGB_EXT#endif#define MINIWIN_MAX 8#define REVERSE_LR 1#define LEFTEYE 1#define RIGHTEYE 2#define GMINI 2/*int argDrawMode = DEFAULT_DRAW_MODE;*/int argDrawMode = AR_DRAW_BY_GL_DRAW_PIXELS;int argTexmapMode = DEFAULT_DRAW_TEXTURE_IMAGE;static ARParam gCparam;static double gl_cpara[16];static double gl_lpara[16];static double gl_rpara[16];static int gl_hmd_flag = 0;static int gl_hmd_para_flag = 0;static double gZoom;static int gXsize, gYsize;static int gMiniXnum, gMiniYnum;static int gMiniXsize, gMiniYsize;static int gWinXsize, gWinYsize;static int gImXsize, gImYsize;/*static int win;*/static GLuint glid[3];static void (*gMouseFunc)(int button, int state, int x, int y);static void (*gKeyFunc)(unsigned char key, int x, int y);static void (*gMainFunc)(void);/* static void argInit2( int fullFlag ); */static void argInitLoop(void);static void argInitStencil(void);static void argSetStencil( int flag );static void argConvGLcpara2( double cparam[3][4], int width, int height, double gnear, double gfar, double m[16] );static int tex1Xsize1 = 1;static int tex1Xsize2 = 1;static int tex1Ysize = 1;static int tex2Xsize = 1;static int tex2Ysize = 1;static void argDispImageTex3( ARUint8 *image, int xwin, int ywin, int mode );static void argDispImageTex4( ARUint8 *image, int xwin, int ywin, int mode );static void argDispHalfImageTex( ARUint8 *image, int xwin, int ywin, int mode );static void argDispImageDrawPixels( ARUint8 *image, int xwin, int ywin );static void argDispHalfImageDrawPixels( ARUint8 *image, int xwin, int ywin );void argInqSetting( int *hmdMode, int *gMiniXnum2, int *gMiniYnum2, void (**mouseFunc)(int button, int state, int x, int y), void (**keyFunc)(unsigned char key, int x, int y), void (**mainFunc)(void) ){ *hmdMode = gl_hmd_flag; *gMiniXnum2 = gMiniXnum; *gMiniYnum2 = gMiniYnum; *mouseFunc = gMouseFunc; *keyFunc = gKeyFunc; *mainFunc = gMainFunc;}void argInit( ARParam *cparam, double zoom, /*int fullFlag,*/ int xwin, int ywin, int hmd_flag ){ int i;#ifdef __APPLE__ { static int initF = 0; int argc = 1; char *argv[1] = {"ARToolKit for MacOSX"};/* if( initF == 0 ) { glutInit(&argc, argv); initF = 1; }*/ }#endif gl_hmd_flag = hmd_flag; gZoom = zoom; gImXsize = cparam->xsize; gImYsize = cparam->ysize; if( gl_hmd_flag == 0 ) { gXsize = (double)cparam->xsize * gZoom; gYsize = (double)cparam->ysize * gZoom; } else { gXsize = AR_HMD_XSIZE; gYsize = AR_HMD_YSIZE; } gMiniXsize = (double)cparam->xsize * gZoom / GMINI; gMiniYsize = (double)cparam->ysize * gZoom / GMINI; if( xwin * ywin > MINIWIN_MAX ) { if( xwin > MINIWIN_MAX ) xwin = MINIWIN_MAX; ywin = MINIWIN_MAX / xwin; } gMiniXnum = xwin; gMiniYnum = ywin; gWinXsize = (gMiniXsize*gMiniXnum > gXsize)? gMiniXsize*gMiniXnum: gXsize; gWinYsize = gYsize + gMiniYsize*gMiniYnum; gCparam = *cparam; for( i = 0; i < 4; i++ ) { gCparam.mat[1][i] = (gCparam.ysize-1)*(gCparam.mat[2][i]) - gCparam.mat[1][i]; } argConvGLcpara( &gCparam, AR_GL_CLIP_NEAR, AR_GL_CLIP_FAR, gl_cpara );/* argInit2( fullFlag ); */}void argInitContext( int fullFlag, int fsaaFlag ){/* glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGBA | GLUT_DEPTH | GLUT_STENCIL); glutInitWindowPosition(0, 0); glutInitWindowSize(gWinXsize, gWinYsize); win = glutCreateWindow(""); if( fullFlag ) { glutFullScreen(); gWinXsize = glutGet(GLUT_SCREEN_WIDTH); gWinYsize = glutGet(GLUT_SCREEN_HEIGHT); }*/ sdlutInit(); if( fsaaFlag ) sdlutInitDisplayMode(SDLUT_DOUBLE | SDLUT_RGB | SDLUT_DEPTH | SDLUT_STENCIL | SDLUT_FSAA); else sdlutInitDisplayMode(SDLUT_DOUBLE | SDLUT_RGB | SDLUT_DEPTH | SDLUT_STENCIL); if( fullFlag ) { sdlutCreateWindow("", gWinXsize, gWinYsize, 24, SDLUT_FULLSCREEN); } else { sdlutCreateWindow("", gWinXsize, gWinYsize, 24, 0); } gMouseFunc = NULL; gKeyFunc = NULL; gMainFunc = NULL; glGenTextures(3, glid); glBindTexture( GL_TEXTURE_2D, glid[0] ); glPixelStorei( GL_UNPACK_ALIGNMENT, 1 ); glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP ); glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP ); glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST ); glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST ); glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL ); glBindTexture( GL_TEXTURE_2D, glid[1] ); glPixelStorei( GL_UNPACK_ALIGNMENT, 1 ); glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP ); glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP ); glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST ); glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST ); glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL ); glBindTexture( GL_TEXTURE_2D, glid[2] ); glPixelStorei( GL_UNPACK_ALIGNMENT, 1 ); glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP ); glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP ); glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST ); glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST ); glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL ); if( gImXsize > 512 ) { tex1Xsize1 = 512; tex1Xsize2 = 1; while( tex1Xsize2 < gImXsize - tex1Xsize1 ) tex1Xsize2 *= 2; } else { tex1Xsize1 = 1; while( tex1Xsize1 < gImXsize ) tex1Xsize1 *= 2; } tex1Ysize = 1; while( tex1Ysize < gImYsize ) tex1Ysize *= 2; tex2Xsize = 1; while( tex2Xsize < gImXsize/2 ) tex2Xsize *= 2; tex2Ysize = 1; while( tex2Ysize < gImYsize/2 ) tex2Ysize *= 2;}void argCleanup( void ){/* glutDestroyWindow( win );*/ sdlutDestroyWindow();}void argSwapBuffers( void ){/* glutSwapBuffers();*/ sdlutSwapBuffers();}void argMainLoop( void (*mouseFunc)(int button, int state, int x, int y), void (*keyFunc)(unsigned char key, int x, int y), void (*mainFunc)(void) ){ gMouseFunc = mouseFunc; gKeyFunc = keyFunc; gMainFunc = mainFunc;/* glutDisplayFunc( argInitLoop ); glutMainLoop();*/ sdlutDisplayFunc( argInitLoop ); sdlutMainLoop();}static void argInitLoop(void){ arUtilSleep( 500 ); argDrawMode2D(); if( gl_hmd_flag ) { glClearColor( 0.0, 0.0, 0.0, 0.0 ); glClear(GL_COLOR_BUFFER_BIT); argInitStencil(); argSwapBuffers(); } glClearColor( 0.0, 0.0, 0.0, 0.0 ); glClear(GL_COLOR_BUFFER_BIT); argSwapBuffers(); glClear(GL_COLOR_BUFFER_BIT); argSwapBuffers();/* glutKeyboardFunc( gKeyFunc ); glutMouseFunc( gMouseFunc ); glutDisplayFunc( gMainFunc ); glutIdleFunc( gMainFunc );*/ sdlutGlutKeyboardFunc( gKeyFunc ); sdlutGlutMouseFunc( gMouseFunc ); sdlutDisplayFunc( gMainFunc ); sdlutIdleFunc( gMainFunc );}void argDrawMode2D( void ){ glMatrixMode(GL_MODELVIEW); glLoadIdentity(); glMatrixMode(GL_PROJECTION); glLoadIdentity(); glOrtho(-0.5, gWinXsize-0.5, -0.5, gWinYsize-0.5, -1.0, 1.0); glViewport(0, 0, gWinXsize, gWinYsize); argSetStencil( 0 );}void argDraw2dLeft( void ){ if( gl_hmd_flag == 0 ) return; argSetStencil( LEFTEYE );}void argDraw2dRight( void ){ if( gl_hmd_flag == 0 ) return; argSetStencil( RIGHTEYE );}void argDrawMode3D( void ){ glMatrixMode(GL_MODELVIEW); glLoadIdentity(); glScalef( 1, -1, -1 );}void argDraw3dLeft( void ){ if( gl_hmd_flag == 0 || gl_hmd_para_flag == 0 ) return; glViewport(0, gWinYsize-AR_HMD_YSIZE, AR_HMD_XSIZE, AR_HMD_YSIZE); argSetStencil( LEFTEYE ); glMatrixMode(GL_PROJECTION); glLoadMatrixd( gl_lpara );}void argDraw3dRight( void ){ if( gl_hmd_flag == 0 || gl_hmd_para_flag == 0 ) return; glViewport(0, gWinYsize-AR_HMD_YSIZE, AR_HMD_XSIZE, AR_HMD_YSIZE); argSetStencil( RIGHTEYE ); glMatrixMode(GL_PROJECTION); glLoadMatrixd( gl_rpara );}void argDraw3dCamera( int xwin, int ywin ){ if( xwin == 0 && ywin == 0 ) { glViewport(0, gWinYsize-(int)(gZoom*gImYsize), (int)(gZoom*gImXsize), (int)(gZoom*gImYsize)); } else { glViewport((xwin-1)*gMiniXsize, gWinYsize-gYsize-ywin*gMiniYsize, gMiniXsize, gMiniYsize); } argSetStencil( 0 ); glMatrixMode(GL_PROJECTION); glLoadMatrixd( gl_cpara ); glScalef( 1, -1, -1 );}void argMult3dCamera( int xwin, int ywin ){ if( xwin == 0 && ywin == 0 ) { glViewport(0, gWinYsize-(int)(gZoom*gImYsize), (int)(gZoom*gImXsize), (int)(gZoom*gImYsize)); } else { glViewport((xwin-1)*gMiniXsize, gWinYsize-gYsize-ywin*gMiniYsize, gMiniXsize, gMiniYsize); } argSetStencil( 0 ); glMatrixMode(GL_PROJECTION); glMultMatrixd( gl_cpara ); glScalef( 1, -1, -1 );}void argConvGlparad( double para[3][4], double gl_para[16] ){ int i, j; for( j = 0; j < 3; j++ ) { for( i = 0; i < 4; i++ ) { gl_para[i*4+j] = para[j][i]; } } gl_para[0*4+3] = gl_para[1*4+3] = gl_para[2*4+3] = 0.0; gl_para[3*4+3] = 1.0;}void argConvGlparaf( double para[3][4], float gl_para[16] ){ int i, j; for( j = 0; j < 3; j++ ) { for( i = 0; i < 4; i++ ) { gl_para[i*4+j] = para[j][i]; } } gl_para[0*4+3] = gl_para[1*4+3] = gl_para[2*4+3] = 0.0; gl_para[3*4+3] = 1.0;}void argDispImage( ARUint8 *image, int xwin, int ywin ){ if( argDrawMode == AR_DRAW_BY_GL_DRAW_PIXELS ) { argDispImageDrawPixels( image, xwin, ywin ); } else { if( xwin == 0 && ywin == 0 ) { glScissor(0, gWinYsize-(int)(gZoom*gImYsize), (int)(gZoom*gImXsize), (int)(gZoom*gImYsize)); } else { glScissor((xwin-1)*gMiniXsize, gWinYsize-gYsize-ywin*gMiniYsize, gMiniXsize, gMiniYsize); } glEnable( GL_SCISSOR_TEST ); /* glDisable( GL_DEPTH_TEST ); */ if( gImXsize > tex1Xsize1 ) argDispImageTex3( image, xwin, ywin, 0 ); else argDispImageTex4( image, xwin, ywin, 0 ); glDisable( GL_SCISSOR_TEST ); }}static void argDispImageDrawPixels( ARUint8 *image, int xwin, int ywin ){ int sx, sy; GLfloat zoom; if( xwin == 0 && ywin == 0 ) {?? 快捷鍵說明
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