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Annotation of OpenXM/src/cfep/MyOpenGLView.m, Revision 1.4

1.1       takayama    1: //
                      2: //  MyOpenGLView.m
                      3: //  cfep
                      4: //
                      5: //  Created by Nobuki Takayama on 06/02/18.
                      6: //  Copyright 2006 OpenXM.org. All rights reserved.
                      7: //
                      8:
                      9: #import "MyOpenGLView.h"
1.2       takayama   10: #import "MyOpenGLController.h"
1.1       takayama   11: #include "mygl.h"
                     12:
                     13: @implementation MyOpenGLView
                     14: -(id) initWithFrame: (NSRect) frame {
                     15:   NSLog(@"initWithFrame\n");
                     16:   oglComm = [NSMutableArray arrayWithCapacity: 100];
                     17:   [oglComm retain];
                     18:   oglInitComm = [NSMutableArray arrayWithCapacity: 1];
                     19:   [oglInitComm retain];
                     20:   xeye = 0.0;
                     21:   yeye = 0.0;
                     22:   zeye = 2.0;
                     23:   initGl = 1;
1.4     ! takayama   24:   myfont = [ NSFont systemFontOfSize: 10];
1.1       takayama   25:   [super initWithFrame: frame];
                     26:   if (self) {
                     27:     NSOpenGLPixelFormatAttribute attributes[]={
                     28:          NSOpenGLPFAAccelerated,
                     29:          NSOpenGLPFADepthSize,16,    // We need this, otherwise depth buffer will no be enabled.
                     30:          NSOpenGLPFAMinimumPolicy,
                     31:          NSOpenGLPFAClosestPolicy,
                     32:          0};
                     33:        NSOpenGLPixelFormat *format;
                     34:        format = [[[NSOpenGLPixelFormat alloc] initWithAttributes: attributes] autorelease];
                     35:        [self initWithFrame: frame pixelFormat: format];
                     36:   }
                     37:   return self;
                     38: }
                     39:
1.2       takayama   40: -(void) showEyePos {[[MyOpenGLController getOglWindow: gid] showEyeX: xeye Y: yeye Z: zeye];}
1.1       takayama   41: -(IBAction) setXeye: (id) sender {
                     42:    xeye=([sender floatValue]-50)*0.1; initGl = 1;
                     43:    NSLog(@"xeye=%f\n",xeye);
1.2       takayama   44:    [self showEyePos];
1.1       takayama   45:    [self setNeedsDisplay: YES];
                     46: }
                     47: -(IBAction) setYeye: (id) sender {
                     48:    float y;
                     49:    y=([sender floatValue]-50)*0.1; initGl = 1;
                     50:    yeye=y;
1.2       takayama   51:    [self showEyePos];
1.1       takayama   52:    //NSLog(@"yeye=%f\n",yeye);
                     53:    [self setNeedsDisplay: YES];
                     54: }
                     55: -(IBAction) setZeye: (id) sender {
                     56:    float z;
                     57:    z=([sender floatValue]-50)*0.1+2.0; initGl = 1;
                     58:    zeye=z;
1.2       takayama   59:    [self showEyePos];
1.1       takayama   60:    //NSLog(@"zeye=%f\n",zeye);
                     61:    [self setNeedsDisplay: YES];
                     62: }
                     63: -(void) drawRect: (NSRect) rect {
                     64:   if (initGl) { [self initGL]; initGl = 0;}
                     65:   [self drawOglComm];
                     66:  //For testing. [self drawRectSimple: rect withColor: 0.0];
                     67: }
                     68: -(void) setFrameSize: (NSSize) newSize {
                     69:   [super setFrameSize: newSize];
                     70:   //[[self openGLContext] makeCurrentContext];
                     71:   glViewport(0,0,(GLsizei)newSize.width,(GLsizei) newSize.height);
                     72:   initGl=1;
                     73:   [self setNeedsDisplay: YES];
                     74: }
1.2       takayama   75: -(void) setGid: (int) p{
                     76:   gid = p;
                     77: }
1.1       takayama   78: -(void) initGL {
                     79:   // Initialization codes are here.
                     80:   glClearColor(1.0,1.0,1.0,1.0);
                     81:   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
                     82:   [self drawOglInitComm];
                     83: }
1.3       takayama   84: -(void) setInitGL: (id) sender { initGl = 1; }
1.1       takayama   85: // It was for a test.
                     86: -(void) drawRectSimple: (NSRect) rect withColor: (double) c {
                     87:   glClearColor(1.0,1.0,1.0,1.0);
                     88:   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
                     89:   glColor4f(1.0,1.0,c,1.0);
                     90:   glRectf(-0.6,-0.6,0.6,0.6);
                     91:
                     92:   glFlush();
                     93:   [[self openGLContext] flushBuffer];
                     94: }
                     95:
                     96: -(void) drawOglComm {
                     97:   int i,n;
                     98:   MyOpenGLCommand *gc;
                     99:   // Execute oglComm.
                    100:   n = [oglComm count];
                    101:   NSLog(@"drawRect is called with n=%d, oglComSize=%d\n",n,oglCommSize);
                    102:   for (i=0; i<oglCommSize; i++) {
                    103:     gc = [oglComm objectAtIndex: i];
                    104:        [self execute: gc];
                    105:   }
                    106:   glFlush();
                    107:   [[self openGLContext] flushBuffer];
                    108: }
                    109: -(void) addOglComm: (NSString *) comm by: (id) sender {
                    110:    MyOpenGLCommand *oc;
                    111:    oc = [MyOpenGLCommand allocAndCompile: comm by: sender];
                    112:    if (oc != nil) {
                    113:     [oglComm addObject: oc];  // retain is automatically done.  // dealloc should be implemented.
                    114:        @synchronized(self) {
                    115:                if ([oc isEndGroup] == YES) oglCommSize=[oglComm count];
                    116:        }
                    117:        if ([oc getOpCode] == CFEPglib_flush) [self setNeedsDisplay: YES];
1.2       takayama  118:        else if ([oc getOpCode] == CFEPglFlush) [self setNeedsDisplay: YES];
1.1       takayama  119:        // If oc is glib_flush, then call drawRect. (Generate an event.)
                    120:        // Calling [self drawOglComm] directly is not safe, because the window might not be ready.
                    121:    }
                    122: }
                    123:
1.2       takayama  124: -(NSMutableArray *)getListOfOglComm { return oglComm; }
                    125: -(NSMutableArray *)getListOfOglInitComm { return oglInitComm; }
1.3       takayama  126: -(int) getOglCommSize { return oglCommSize; }
                    127: -(int) getOglInitCommSize { return oglInitCommSize; }
1.2       takayama  128: -(int) countOfOglComm { return [oglComm count]; }
                    129: -(int) countOfOglInitComm { return [oglInitComm count];}
1.3       takayama  130: -(int) removeLastOfOglComm { if ([oglComm count]>0) [oglComm removeLastObject]; [self updateOglCommSize]; return [self countOfOglComm];}
                    131: -(int) removeLastOfOglInitComm {if ([oglInitComm count]>0) [oglInitComm removeLastObject]; [self updateOglInitCommSize]; return [self countOfOglInitComm];}
                    132: -(int) removeAllOfOglComm { if ([oglComm count]>0) [oglComm removeAllObjects]; oglCommSize = 0; return 0; }
                    133: -(int) removeAllOfOglInitComm {if ([oglInitComm count]>0) [oglInitComm removeAllObjects]; oglInitCommSize = 0; return 0; }
                    134: -(void) updateOglCommSize {
                    135:   int n,i;
                    136:   MyOpenGLCommand *cc;
                    137:   n = [oglComm count];
                    138:   for (i=n-1; i>=0; i--)  {
                    139:     cc = [oglComm objectAtIndex: i];
                    140:        if ([cc isEndGroup]) { oglCommSize = i+1; return ; }
                    141:   }
                    142:   oglCommSize = 0;
                    143: }
                    144: -(void) updateOglInitCommSize {
                    145:   int n,i;
                    146:   MyOpenGLCommand *cc;
                    147:   n = [oglInitComm count];
                    148:   for (i=n-1; i>=0; i--)  {
                    149:     cc = [oglInitComm objectAtIndex: i];
                    150:        if ([cc isEndGroup]) { oglInitCommSize = i+1; return ; }
                    151:   }
                    152:   oglInitCommSize = 0;
                    153: }
1.2       takayama  154:
1.1       takayama  155: -(void) drawOglInitComm {
                    156:   int i,n;
                    157:   MyOpenGLCommand *gc;
                    158:   // Execute oglComm.
                    159:   n = [oglInitComm count];
                    160:   NSLog(@"drawOglInitComm is called with n=%d, oglInitComSize=%d\n",n,oglInitCommSize);
                    161:   for (i=0; i<oglInitCommSize; i++) {
                    162:     gc = [oglInitComm objectAtIndex: i];
                    163:        [self execute: gc];
                    164:   }
                    165: }
                    166: -(void) addOglInitComm: (NSString *) comm by: (id) sender {
                    167:    MyOpenGLCommand *oc;
                    168:    oc = [MyOpenGLCommand allocAndCompile: comm by: sender];
                    169:    if (oc != nil) {
                    170:     [oglInitComm addObject: oc];  // retain is automatically done.  // dealloc should be implemented.
                    171:        @synchronized(self) {
                    172:                if ([oc isEndGroup] == YES) oglInitCommSize=[oglInitComm count];
                    173:        }
1.2       takayama  174:        initGl = 1;
                    175:        if ([oc getOpCode] == CFEPglib_flush) { [self setNeedsDisplay: YES]; }
                    176:        else if ([oc getOpCode] == CFEPglFlush) [self setNeedsDisplay: YES];
1.1       takayama  177:    }
                    178: }
                    179:
                    180: // Byte compile is done by comple: in MyOpenGLCommand.m
                    181: -(void) execute: (MyOpenGLCommand *)gc {
                    182:   int op;
                    183:   float x,y,z,c;
                    184:   int    p,q,r,s;
                    185:   double *v;
                    186:   int *ii;
                    187:   op = [gc getOpCode];
                    188:   v = [gc getF4];
                    189:   ii = [gc getI4];
                    190:   x = v[0]; y = v[1]; z = v[2]; c = v[3];
                    191:   p = ii[0]; q=ii[1]; r=ii[2];  s=ii[3];
                    192:   // NSLog(@"opCode=%d, (x,y,z,c)=(%f,%f,%f,%f), (p,q,r,s)=(%d,%d,%d,%d)\n",op,x,y,z,c,p,q,r,s);
                    193:   switch(op) {
                    194:   case CFEPglBegin:
                    195:     glBegin(p);
                    196:        break;
1.2       takayama  197:   case CFEPglClear:
                    198:     glClear(p); break;
                    199:   case CFEPglClearColor:
                    200:     glClearColor(x,y,z,c); break;
                    201:   case CFEPglClearDepth:
                    202:     glClearDepth(x); break;
1.1       takayama  203:   case CFEPglColor4f:
                    204:     glColor4f(x,y,z,c); break;
1.4     ! takayama  205:   case CFEPglDisable:
        !           206:     glDisable(p); break;
        !           207:   case CFEPglEnable:
        !           208:     glEnable(p); break;
1.1       takayama  209:   case CFEPglEnd:
                    210:     glEnd(); break;
1.2       takayama  211:   case CFEPglFlush:
1.3       takayama  212:     glFlush(); [self setInitGL: nil]; [self setNeedsDisplay: YES]; break;
1.4     ! takayama  213:   case CFEPglLineStipple:
        !           214:     glLineStipple(p,q); break;
        !           215:   case CFEPglLineWidth:
        !           216:     glLineWidth(x); break;
        !           217:   case CFEPglNormal3f:
        !           218:     glNormal3f(x,y,z); break;
1.2       takayama  219:   case CFEPglPointSize:
                    220:     glPointSize(x); break;
1.1       takayama  221:   case CFEPglRectf:
                    222:        glRectf(x,y,z,c); break;
                    223:   case CFEPglVertex3f:
                    224:     glVertex3f(x,y,z); break;
                    225:
                    226:   case CFEPglib_line:
                    227:     glib_line(x,y,z,c,p); break;
                    228:   case CFEPglib_putpixel:
                    229:     glib_putpixel(x,y,p); break;
                    230:   case CFEPglib_flush:
1.3       takayama  231:        [self setInitGL: nil]; [self setNeedsDisplay: YES];
1.2       takayama  232:        // [[MyOpenGLController getOglWindow: gid] showCount];
                    233:        break;
1.1       takayama  234:
                    235:   case CFEPglib3_bounding_box:
                    236:        glib3_bounding_box(x); break;
                    237:   case CFEPglib3_icosahedron:
                    238:     glib3_icosahedron(0.0f, 0.0f, -1.0f, 1.0f); break;
                    239:   case CFEPglib3_ray:
                    240:     [self glib3_ray]; break;
                    241:   case CFEPglib3_ray_init:
                    242:     glib3_ray_init(); break;
                    243:   case CFEPglib3_ray_reshape:
                    244:     glib3_ray_reshape(x,y); break;
                    245:   case CFEPglib3_std_scene0:
                    246:     [self glib3_std_scene0]; break;
                    247:   default:
                    248:     NSLog(@"Unknown opCode %d\n",op);
                    249:        break;
                    250:   }
                    251: }
                    252:
                    253: -(void) glib3_ray {
                    254:   glib3_ray_change_alpha(-90.0+xeye*5);
                    255:   glib3_ray_change_beta(90.0+yeye*3);
                    256:   glib3_ray();
                    257: }
                    258: -(void) glib3_std_scene0 {
                    259:   glib3_std_scene0(xeye,yeye,zeye);
                    260: }
                    261:
                    262: @end
                    263:
                    264: // Original glib functions
                    265: void glib_line(float x,float y, float x2,float y2, int color) {
                    266:   glColor4f((color/0x10000)/256.0,((color/0x100)& 0xff)/256.0,(color % 0x100)/256.0,0.0);
                    267:   // NSLog(@"color=%f,%f,%f\n",(color/0x10000)/256.0,((color/0x100)& 0xff)/256.0,(color % 0x100)/256.0);
                    268:   glBegin(GL_LINES);
                    269:     glVertex2f(x,y);
                    270:        glVertex2f(x2,y2);
                    271:   glEnd();
                    272: }
                    273: void glib_putpixel(float x,float y,int color) {
                    274:   // NSLog(@"color=%f,%f,%f\n",(color/0x10000)/256.0,((color/0x100)& 0xff)/256.0,(color % 0x100)/256.0);
                    275:   glBegin(GL_POINTS);
                    276:     glColor4f((color/0x10000)/256.0,((color/0x100)& 0xff)/256.0,(color % 0x100)/256.0,0.0);
                    277:     glVertex2f(x,y);
                    278:   glEnd();
                    279: }

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