int main(int argc, char **argv)
{
const char *keyfilename, *certfilename;
struct sign_context *ctx;
uint8_t *buf, *tmp;
int rc, c, sigsize;
ctx = talloc_zero(NULL, struct sign_context);
keyfilename = NULL;
certfilename = NULL;
for (;;) {
int idx;
c = getopt_long(argc, argv, "o:c:k:dvVh", options, &idx);
if (c == -1)
break;
switch (c) {
case 'o':
ctx->outfilename = talloc_strdup(ctx, optarg);
break;
case 'c':
certfilename = optarg;
break;
case 'k':
keyfilename = optarg;
break;
case 'd':
ctx->detached = 1;
break;
case 'v':
ctx->verbose = 1;
break;
case 'V':
version();
return EXIT_SUCCESS;
case 'h':
usage();
return EXIT_SUCCESS;
}
}
if (argc != optind + 1) {
usage();
return EXIT_FAILURE;
}
ctx->infilename = argv[optind];
if (!ctx->outfilename)
set_default_outfilename(ctx);
if (!certfilename) {
fprintf(stderr,
"error: No certificate specified (with --cert)\n");
usage();
return EXIT_FAILURE;
}
if (!keyfilename) {
fprintf(stderr,
"error: No key specified (with --key)\n");
usage();
return EXIT_FAILURE;
}
ctx->image = image_load(ctx->infilename);
if (!ctx->image)
return EXIT_FAILURE;
_talloc_steal(ctx, ctx->image);
ERR_load_crypto_strings();
OpenSSL_add_all_digests();
OpenSSL_add_all_ciphers();
EVP_PKEY *pkey = fileio_read_pkey(keyfilename);
if (!pkey)
return EXIT_FAILURE;
X509 *cert = fileio_read_cert(certfilename);
if (!cert)
return EXIT_FAILURE;
const EVP_MD *md = EVP_get_digestbyname("SHA256");
/* set up the PKCS7 object */
PKCS7 *p7 = PKCS7_new();
PKCS7_set_type(p7, NID_pkcs7_signed);
PKCS7_SIGNER_INFO *si = PKCS7_sign_add_signer(p7, cert,
pkey, md, PKCS7_BINARY);
if (!si) {
fprintf(stderr, "error in key/certificate chain\n");
ERR_print_errors_fp(stderr);
return EXIT_FAILURE;
}
PKCS7_content_new(p7, NID_pkcs7_data);
rc = IDC_set(p7, si, ctx->image);
if (rc)
return EXIT_FAILURE;
sigsize = i2d_PKCS7(p7, NULL);
tmp = buf = talloc_array(ctx->image, uint8_t, sigsize);
i2d_PKCS7(p7, &tmp);
ERR_print_errors_fp(stdout);
image_add_signature(ctx->image, buf, sigsize);
if (ctx->detached)
image_write_detached(ctx->image, ctx->outfilename);
else
image_write(ctx->image, ctx->outfilename);
talloc_free(ctx);
return EXIT_SUCCESS;
}
int main(int argc, char *argv[]) {
Point start[NUMLINES], end[NUMLINES];
Color color[NUMLINES];
Image *src;
Line line;
long i,j;
Color white;
double tstart, tend;
long numLines;
double sum, dx, dy;
struct timeb tp;
color_set( &white, 1.0, 1.0, 1.0);
// allocate an image ROWS by COLS
src = image_create(ROWS, COLS);
if(!src) {
fprintf(stderr, "unable to allocate memory\n");
exit(0);
}
// Initialize the image to all white
for(i=0;i<src->rows;i++) {
for(j=0;j<src->cols;j++) {
image_setColor(src, i, j, white );
}
}
// Pre-calculate the line endpoints and colors so we don't have to
// call the random() function inside the main drawing loop.
sum = 0.0;
for(i=0;i<NUMLINES;i++) {
int tsx, tsy, tex, tey;
tsx = (int)(drand48() * COLS);
tsy = (int)(drand48() * ROWS);
tex = (int)(drand48() * COLS);
tey = (int)(drand48() * ROWS);
point_set2D(&(start[i]), tsx, tsy );
point_set2D(&(end[i]), tex, tey );
color[i].c[0] = drand48();
color[i].c[1] = drand48();
color[i].c[2] = drand48();
dx = tsx - tex;
dy = tsy - tey;
sum += sqrt(dx * dx + dy * dy);
}
sum /= NUMLINES;
printf("Average line length = %.1lf\n", sum);
// Start drawing lines
ftime( &tp );
tstart = tp.time + tp.millitm / 1000.0;
for(i=0,numLines=0; numLines < 5000000;numLines++, i++) {
i = i % NUMLINES;
line_set(&line, start[i], end[i]);
line_draw(&line, src, color[i]);
}
ftime( &tp );
tend = tp.time + tp.millitm / 1000.0;
// print out the result
printf("%.2lf lines per second\n", numLines / (tend - tstart) );
// write out the image
image_write(src, "lines.ppm");
// free the image data
image_free(src);
return(0);
}
int main(int argc, char *argv[]) {
int frame;
Color blue, green, purple, red, white;
Point p[16];
BezierSurface bc;
DrawState ds;
Module *curve;
View3D view;
Matrix VTM, GTM;
int divisions = 4;
int rows = 300, cols = 400;
Image *src = image_create(rows, cols);
// grab the command line argument, if one exists
if(argc > 1) {
int tmp = atoi(argv[1]);
if( tmp >= 0 && tmp < 10 )
divisions = tmp;
}
printf("Creating Bezier surface with %d subdivisions\n", divisions);
color_set(&white, 1.0, 1.0, 1.0 );
color_set(&blue, .1, .2, .8);
color_set(&green, .2, 0.7, 0.3 );
color_set(&purple, 0.6, 0.1, 0.7 );
color_set(&red, 0.75, 0.3, 0.3 );
curve = module_create();
// create a flat plane
point_set3D(&p[0], 0.0, -0.2, 0.0); // first row, constant x, even spacing in z
point_set3D(&p[1], 0.0, -0.2, 0.33);
point_set3D(&p[2], 0.0, -0.2, 0.66);
point_set3D(&p[3], 0.0, -0.2, 1.0);
point_set3D(&p[4], 0.33, -0.2, 0.0); // second row
point_set3D(&p[5], 0.33, -0.2, 0.33);
point_set3D(&p[6], 0.33, -0.2, 0.66);
point_set3D(&p[7], 0.33, -0.2, 1.0);
point_set3D(&p[8], 0.66, -0.2, 0.0); // third row
point_set3D(&p[9], 0.66, -0.2, 0.33);
point_set3D(&p[10], 0.66, -0.2, 0.66);
point_set3D(&p[11], 0.66, -0.2, 1.0);
point_set3D(&p[12], 1.0, -0.2, 0.0); // fourth row
point_set3D(&p[13], 1.0, -0.2, 0.33);
point_set3D(&p[14], 1.0, -0.2, 0.66);
point_set3D(&p[15], 1.0, -0.2, 1.0);
bezierSurface_set(&bc, p);
// put the curve into a module
module_color(curve, &red);
module_bezierSurface(curve, &bc, divisions, 0);
// create a curved surface sitting above the plane
point_set3D(&p[0], 0.0, 0.0, 0.0); // first row, constant x, even spacing in z
point_set3D(&p[1], 0.0, 0.2, 0.33);
point_set3D(&p[2], 0.0, 0.5, 0.66);
point_set3D(&p[3], 0.0, 0.1, 1.0);
point_set3D(&p[4], 0.33, 0.8, 0.0); // second row
point_set3D(&p[5], 0.33, -0.1, 0.33);
point_set3D(&p[6], 0.33, 0.0, 0.66);
point_set3D(&p[7], 0.33, 0.3, 1.0);
point_set3D(&p[8], 0.66, 0.3, 0.0); // third row
point_set3D(&p[9], 0.66, 0.8, 0.33);
point_set3D(&p[10], 0.66, 0.9, 0.66);
point_set3D(&p[11], 0.66, 0.5, 1.0);
point_set3D(&p[12], 1.0, 0.4, 0.0); // fourth row
point_set3D(&p[13], 1.0, 0.2, 0.33);
point_set3D(&p[14], 1.0, 0.5, 0.66);
point_set3D(&p[15], 1.0, 1.0, 1.0);
bezierSurface_set(&bc, p);
// put the curve into a module
module_color(curve, &green);
module_bezierSurface(curve, &bc, divisions, 1);
// set up the drawstate
drawstate_setColor(&ds, white);
ds.shade = ShadeFrame;
// set up the view
point_set3D(&(view.vrp), 0.0, 1.2, -3.0 );
vector_set( &(view.vpn), 0.0, -0.8, 2.5 );
vector_set( &(view.vup), 0.0, 1.0, 0.0 );
view.d = 1.5;
view.du = 1.0;
view.dv = 1.0*rows/cols;
view.screeny = rows;
view.screenx = cols;
view.f = 0.0;
view.b = 3.0;
matrix_setView3D( &VTM, &view );
matrix_identity( >M );
// Create the animation by adjusting the GTM
for(frame=0;frame<60;frame++) {
char buffer[256];
matrix_rotateY(>M, cos(M_PI/30.0), sin(M_PI/30.0) );
module_draw( curve, &VTM, >M, &ds, NULL, src );
sprintf(buffer, "bezSurf-frame%03d.ppm", frame);
image_write(src, buffer);
image_reset(src);
}
printf("converting to gif...\n");
system("convert -delay 1.5 -loop 0 bezSurf-frame*.ppm bezSurf.gif");
system("rm bezSurf-frame*.ppm");
// clean up
image_free( src );
module_delete( curve );
return(0);
}
static void m2i_open_write(path_t *path, cbmdirent_t *dent, uint8_t type, buffer_t *buf, uint8_t append) {
uint16_t offset;
uint8_t *str;
uint8_t *nameptr;
uint8_t i;
FRESULT res;
/* Check for read-only image file */
if (!(partition[path->part].imagehandle.flag & FA_WRITE)) {
set_error(ERROR_WRITE_PROTECT);
return;
}
if (append) {
open_existing(path, dent, type, buf, 1);
} else {
if (check_invalid_name(dent->name)) {
set_error(ERROR_SYNTAX_JOKER);
return;
}
/* Find an empty entry */
offset = find_empty_entry(path->part);
if (offset < M2I_ENTRY_OFFSET)
return;
memset(ops_scratch, ' ', sizeof(ops_scratch));
str = ops_scratch;
switch (type & TYPE_MASK) {
case TYPE_DEL:
*str++ = 'D';
break;
case TYPE_SEQ:
*str++ = 'S';
break;
case TYPE_PRG:
*str++ = 'P';
break;
case TYPE_USR:
*str++ = 'U';
break;
default:
/* Unknown type - play it safe, don't create a file */
return;
}
*str++ = ':';
/* Generate a FAT name */
for (i=0;i<8;i++) {
*str++ = '0';
}
*str = 0;
do {
FILINFO finfo;
finfo.lfn = NULL;
/* See if it's already there */
res = f_stat(&partition[path->part].fatfs, ops_scratch + M2I_FATNAME_OFFSET, &finfo);
if (res == FR_OK) {
str = ops_scratch + M2I_FATNAME_OFFSET+7;
/* Increment name */
while (1) {
if (++(*str) > '9') {
*str-- = '0';
continue;
}
break;
}
}
} while (res == FR_OK);
if (res != FR_NO_FILE)
return;
/* Copy the CBM file name */
nameptr = dent->name;
str = ops_scratch + M2I_CBMNAME_OFFSET;
while (*nameptr)
*str++ = *nameptr++;
/* Update dent with the new FAT name */
ustrcpy(dent->pvt.fat.realname, ops_scratch + M2I_FATNAME_OFFSET);
/* Finish creating the M2I entry */
ops_scratch[M2I_FATNAME_OFFSET + 8] = ' ';
ops_scratch[M2I_FATNAME_OFFSET + 12] = ':';
ops_scratch[M2I_CBMNAME_OFFSET + CBM_NAME_LENGTH] = 13;
ops_scratch[M2I_CBMNAME_OFFSET + CBM_NAME_LENGTH + 1] = 10;
/* Write it */
if (image_write(path->part, offset, ops_scratch, M2I_ENTRY_LEN, 1))
return;
/* Write the actual file - always without P00 header */
fat_open_write(path, dent, TYPE_RAW, buf, append);
/* Abort on error */
if (current_error) {
/* No error checking here. Either it works or everything has failed. */
ops_scratch[0] = '-';
image_write(path->part, offset, ops_scratch, 1, 1);
}
}
}
int main(int argc, char *argv[]) {
const int rows = 180;
const int cols = 320;
const int nFrames = 100;
View3D view;
Matrix vtm;
Polygon side[6];
Polygon tpoly;
Point tv[4];
Point v[8];
Color color[6];
Image *src;
int i, t;
char filename[256];
// set some colors
color_set( &color[0], 0, 0, 1 );
color_set( &color[1], 0, 1, 0 );
color_set( &color[2], 1, 0, 0 );
color_set( &color[3], 1, 0, 1 );
color_set( &color[4], 0, 1, 1 );
color_set( &color[5], 1, 1, 0 );
for(t=0;t<nFrames;t++) {
// initialize polygons
for(i=0;i<6;i++) {
polygon_init( &side[i] );
}
// corners of a cube, centered at (0, 0, 0)
point_set1( &v[0], -1, -1, -1 );
point_set1( &v[1], 1, -1, -1 );
point_set1( &v[2], 1, 1, -1 );
point_set1( &v[3], -1, 1, -1 );
point_set1( &v[4], -1, -1, 1 );
point_set1( &v[5], 1, -1, 1 );
point_set1( &v[6], 1, 1, 1 );
point_set1( &v[7], -1, 1, 1 );
// front side
polygon_set( &side[0], 4, &(v[0]) );
// back side
polygon_set( &side[1], 4, &(v[4]) );
// top side
point_copy( &tv[0], &v[2] );
point_copy( &tv[1], &v[3] );
point_copy( &tv[2], &v[7] );
point_copy( &tv[3], &v[6] );
polygon_set( &side[2], 4, tv );
// bottom side
point_copy( &tv[0], &v[0] );
point_copy( &tv[1], &v[1] );
point_copy( &tv[2], &v[5] );
point_copy( &tv[3], &v[4] );
polygon_set( &side[3], 4, tv );
// left side
point_copy( &tv[0], &v[0] );
point_copy( &tv[1], &v[3] );
point_copy( &tv[2], &v[7] );
point_copy( &tv[3], &v[4] );
polygon_set( &side[4], 4, tv );
// right side
point_copy( &tv[0], &v[1] );
point_copy( &tv[1], &v[2] );
point_copy( &tv[2], &v[6] );
point_copy( &tv[3], &v[5] );
polygon_set( &side[5], 4, tv );
// grab command line argument to determine viewpoint
// and set up the view structure
/*if( argc > 1 ) {
float alpha = atof( argv[1] );
if( alpha < 0.0 || alpha > 1.0 )
alpha = 0.0;
point_set1( &(view.vrp), 3*alpha, 2*alpha, -2*alpha - (1.0-alpha)*3 );
}
else {
point_set1( &(view.vrp), 3, 2, -2 );
} */
float alpha = abs(t - (0.5*nFrames)) / (0.5*nFrames);
point_set1( &(view.vrp), 3*alpha, 2*alpha, -2*alpha - (1.0-alpha)*3 );
vector_set( &(view.vpn), -view.vrp.val[0], -view.vrp.val[1], -view.vrp.val[2] );
vector_set( &(view.vup), 0, 1, 0 );
view.d = 1; // focal length
view.du = 2;
view.dv = view.du * (float)rows / cols;
view.f = 0; // front clip plane
view.b = 4; // back clip plane
view.screenx = cols;
view.screeny = rows;
matrix_setView3D( &vtm, &view );
// create image
src = image_create( rows, cols );
// use a temprary polygon to transform stuff
polygon_init( &tpoly );
//printf("Drawing Polygons\n");
for(i=0;i<6;i++) {
polygon_copy( &tpoly, &side[i] );
matrix_xformPolygon( &vtm, &tpoly );
// normalize by homogeneous coordinate before drawing
polygon_normalize( &tpoly );
polygon_draw( &tpoly, src, color[i] );
//polygon_print( &tpoly, stdout );
}
sprintf(filename, "frame-%04d.ppm", t );
image_write( src, filename );
/*printf("Writing image\n");
image_write( src, "cube.ppm" );*/
}
system("convert frame-*.ppm cube.gif");
system("rm frame-*.ppm");
return(0);
}
int main(int argc, char *argv[]){
Image *src;
Ellipse elip;
Circle circ;
Color color, red, pink, yellow;
Color blue;
Line l;
Point p;
Point pt[5];
Polygon *poly;
int i;
/*set the colors*/
color_set(&color, 1.0, 1.0, 1.0);
color_set(&red, 1.0, 0.0,0.0);
color_set(&blue, 0.4,1.0,1.0);
color_set(&pink, 1.0, 0.6, 0.8);
color_set(&yellow, 1.0, 1.0, 0.4);
/*build an image*/
src = image_create( 700,700);
/*build the cupcake like I was using turtle graphics*/
line_set2D(&l, 100,300,200,600);
line_draw( &l, src, pink );
line_set2D(&l, 600,300,500,600);
line_draw( &l, src, pink );
point_set2D( &p, 600, 350 );
ellipse_set(&elip, p, 40, 150,0);
ellipse_draw(&elip, src, pink);
point_set2D( &p, 300,350 );
ellipse_set(&elip, p, 80, 250,0);
ellipse_draw(&elip, src, pink);
point_set2D( &p, 275,350 );
ellipse_set(&elip, p, 75, 225,0);
ellipse_draw(&elip, src, blue);
point_set2D( &p, 250,350 );
ellipse_set(&elip, p, 50, 200,0);
ellipse_draw(&elip, src, blue);
point_set2D( &p, 225,350 );
ellipse_set(&elip, p, 25, 175,0);
ellipse_draw(&elip, src, blue);
point_set2D( &p, 200,350 );
ellipse_set(&elip, p, 20, 150,0);
ellipse_draw(&elip, src, blue);
point_set2D( &p, 175,350 );
ellipse_set(&elip, p, 15, 125,0);
ellipse_draw(&elip, src, blue);
point_set2D( &p, 150,350 );
ellipse_set(&elip, p, 5, 75,0);
ellipse_draw(&elip, src, blue);
point_set2D( &p, 350, 100 );
circle_set( &circ, p, 25 );
circle_draw( &circ, src, red);
/*write image*/
image_write( src, "3Dimage.ppm" );
/*free image*/
image_free( src );
/*this time fill the cupcake*/
src = image_create( 700,700);
color_set(&pink, 1.0, 0.6, 0.8);
point_set2D( &p, 600, 350 );
ellipse_set(&elip, p, 40, 150,0);
ellipse_drawFill(&elip, src, pink);
point_set2D(&(pt[0]),100 ,300);
point_set2D(&(pt[1]),600 ,300);
point_set2D(&(pt[2]),505 ,600);
point_set2D(&(pt[3]),198, 600);
poly = polygon_createp(4, pt);
polygon_drawFill(poly,src, pink);
color_set(&pink, 1.0, 0.4, 0.8);
point_set2D( &p, 300,350 );
ellipse_set(&elip, p, 80, 250,0);
ellipse_drawFill(&elip, src, pink);
color_set(&pink, 1.0, 0., 0.8);
for(i=0; i<10; i++){
line_set2D(&l, 100-i,300-i,200,600);
line_draw( &l, src, pink );
line_set2D(&l, 600-i,300-i,500,600);
line_draw( &l, src, pink );
line_set2D(&l, 175-i, 300-i, 225, 623);
line_draw(&l, src, pink);
line_set2D(&l, 275-i, 280-i, 305, 636);
line_draw(&l, src, pink);
line_set2D(&l, 385-i, 280-i, 385, 640);
line_draw(&l, src, pink);
line_set2D(&l, 510-i, 300-i, 450, 630);
line_draw(&l, src, pink);
}
point_set2D( &p, 295,350 );
ellipse_set(&elip, p, 70, 230,0);
ellipse_drawFill(&elip, src, yellow);
color_set(&blue, 0.0,0.8,0.8);
point_set2D( &p, 275,350 );
ellipse_set(&elip, p, 75, 220,0);
ellipse_drawFill(&elip, src, blue);
color_set(&blue, 0.0,1.0,1.0);
point_set2D( &p, 250,350 );
ellipse_set(&elip, p, 50, 200,0);
ellipse_drawFill(&elip, src, blue);
color_set(&blue, 0.4,1.0,1.0);
point_set2D( &p, 225,350 );
ellipse_set(&elip, p, 25, 175,0);
ellipse_drawFill(&elip, src, blue);
color_set(&blue, 0.6,1.0,1.0);
point_set2D( &p, 200,350 );
ellipse_set(&elip, p, 20, 150,0);
ellipse_drawFill(&elip, src, blue);
color_set(&blue, 0.7,1.0,1.0);
point_set2D( &p, 175,350 );
ellipse_set(&elip, p, 15, 125,0);
ellipse_drawFill(&elip, src, blue);
color_set(&blue, 0.8,1.0,1.0);
point_set2D( &p, 150,350 );
ellipse_set(&elip, p, 5, 75,0);
ellipse_drawFill(&elip, src, blue);
point_set2D( &p, 350, 100 );
circle_set( &circ, p, 25 );
circle_drawFill( &circ, src, red);
image_write( src, "3DimageFill.ppm" );
polygon_free(poly);
image_free( src );
return(0);
}
int main(int argc, char *argv[]){
Image* src;
int offset = 100;
const int rows = 1000;
const int cols = 1000;
float r1, r2, r3, r4, r5, r6, r7, r8, r9;
int i;
Color RED;
Color GREEN;
Color BLUE;
Color WHITE;
Color c1;
Color c2;
Color c3;
Polygon* poly;
Point points[3];
char filename[100];
Color_set(&RED, 1.0, 0.0, 0.0);
Color_set(&GREEN, 0.0, 1.0, 0.0);
Color_set(&BLUE, 0.0, 0.0, 1.0);
Color_set(&WHITE, 1.0,1.0,1.0);
for(i=0; i<offset+1; i++){
src = image_create(rows, cols);
//drawing the first triangle
printf("Preparing and drawing triangle 0\n");
point_set2D(&points[0], 300, (100 - offset + i));
point_set2D(&points[1], 700, (100 - offset + i));
point_set2D(&points[2], 500, (500 - offset + i));
poly = polygon_createp(3, points);
r1 = rand()/((double) RAND_MAX);
r2 = rand()/((double) RAND_MAX);
r3 = rand()/((double) RAND_MAX);
r4 = rand()/((double) RAND_MAX);
r5 = rand()/((double) RAND_MAX);
r6 = rand()/((double) RAND_MAX);
r7 = rand()/((double) RAND_MAX);
r8 = rand()/((double) RAND_MAX);
r9 = rand()/((double) RAND_MAX);
Color_set(&c1, r1, r2, r3);
Color_set(&c2, r4, r5, r6);
Color_set(&c3, r7, r8, r9);
polygon_drawFillB_Gradient(poly, src, c1, c2, c3);
//drawing the second triangle
printf("Preparing and drawing triangle 1\n");
point_set2D(&points[0], 700+offset-i, 100-(offset-i)/2);
point_set2D(&points[1], 900+offset-i, 500-(offset-i)/2);
point_set2D(&points[2], 500+offset-i, 500-(offset-i)/2);
poly = polygon_createp(3, points);
r1 = rand()/((double) RAND_MAX);
r2 = rand()/((double) RAND_MAX);
r3 = rand()/((double) RAND_MAX);
r4 = rand()/((double) RAND_MAX);
r5 = rand()/((double) RAND_MAX);
r6 = rand()/((double) RAND_MAX);
r7 = rand()/((double) RAND_MAX);
r8 = rand()/((double) RAND_MAX);
r9 = rand()/((double) RAND_MAX);
Color_set(&c1, r1, r2, r3);
Color_set(&c2, r4, r5, r6);
Color_set(&c3, r7, r8, r9);
polygon_drawFillB_Gradient(poly, src, c1, c2, c3);
//drawing the third triangle
printf("Preparing and drawing triangle 2\n");
point_set2D(&points[0], 900+offset-i, 500+(offset-i)/2);
point_set2D(&points[1], 700+offset-i, 900+(offset-i)/2);
point_set2D(&points[2], 500+offset-i, 500+(offset-i)/2);
poly = polygon_createp(3, points);
r1 = rand()/((double) RAND_MAX);
r2 = rand()/((double) RAND_MAX);
r3 = rand()/((double) RAND_MAX);
r4 = rand()/((double) RAND_MAX);
r5 = rand()/((double) RAND_MAX);
r6 = rand()/((double) RAND_MAX);
r7 = rand()/((double) RAND_MAX);
r8 = rand()/((double) RAND_MAX);
r9 = rand()/((double) RAND_MAX);
Color_set(&c1, r1, r2, r3);
Color_set(&c2, r4, r5, r6);
Color_set(&c3, r7, r8, r9);
polygon_drawFillB_Gradient(poly, src, c1, c2, c3);
//drawing the forth triangle
printf("Preparing and drawing triangle 3\n");
point_set2D(&points[0], 300, 900 + offset - i);
point_set2D(&points[1], 700, 900 + offset - i);
point_set2D(&points[2], 500, 497 + offset - i);
poly = polygon_createp(3, points);
r1 = rand()/((double) RAND_MAX);
r2 = rand()/((double) RAND_MAX);
r3 = rand()/((double) RAND_MAX);
r4 = rand()/((double) RAND_MAX);
r5 = rand()/((double) RAND_MAX);
r6 = rand()/((double) RAND_MAX);
r7 = rand()/((double) RAND_MAX);
r8 = rand()/((double) RAND_MAX);
r9 = rand()/((double) RAND_MAX);
Color_set(&c1, r1, r2, r3);
Color_set(&c2, r4, r5, r6);
Color_set(&c3, r7, r8, r9);
polygon_drawFillB_Gradient(poly, src, c1, c2, c3);
//drawing the fifth triangle
printf("Preparing and drawing triangle 4\n");
point_set2D(&points[0], 100-offset+i, 500+(offset-i)/2);
point_set2D(&points[1], 300-offset+i, 900+(offset-i)/2);
point_set2D(&points[2], 500-offset+i, 500+(offset-i)/2);
poly = polygon_createp(3, points);
r1 = rand()/((double) RAND_MAX);
r2 = rand()/((double) RAND_MAX);
r3 = rand()/((double) RAND_MAX);
r4 = rand()/((double) RAND_MAX);
r5 = rand()/((double) RAND_MAX);
r6 = rand()/((double) RAND_MAX);
r7 = rand()/((double) RAND_MAX);
r8 = rand()/((double) RAND_MAX);
r9 = rand()/((double) RAND_MAX);
Color_set(&c1, r1, r2, r3);
Color_set(&c2, r4, r5, r6);
Color_set(&c3, r7, r8, r9);
polygon_drawFillB_Gradient(poly, src, c1, c2, c3);
//drawing the sixth triangle
printf("Preparing and drawing triangle 5\n");
point_set2D(&points[0], 100-offset+i, 500-(offset-i)/2);
point_set2D(&points[1], 301-offset+i, 100-(offset-i)/2);
point_set2D(&points[2], 503-offset+i, 500-(offset-i)/2);
poly = polygon_createp(3, points);
r1 = rand()/((double) RAND_MAX);
r2 = rand()/((double) RAND_MAX);
r3 = rand()/((double) RAND_MAX);
r4 = rand()/((double) RAND_MAX);
r5 = rand()/((double) RAND_MAX);
r6 = rand()/((double) RAND_MAX);
r7 = rand()/((double) RAND_MAX);
r8 = rand()/((double) RAND_MAX);
r9 = rand()/((double) RAND_MAX);
Color_set(&c1, r1, r2, r3);
Color_set(&c2, r4, r5, r6);
Color_set(&c3, r7, r8, r9);
polygon_drawFillB_Gradient(poly, src, c1, c2, c3);
if(i%5==0){
sprintf(filename, "../images/task6_2_%3.0d.ppm",i);
image_write(src, filename);
}
image_dealloc(src);
}
system("convert -delay 10 -loop 0 ../images/task6_2_*.ppm ../images/animation.gif");
system("rm -f ../images/task6_2*");
//clean up
polygon_free(poly);
image_free(src);
return 0;
}
// makes 3 X-wing fighters in a loose formation
int main(int argc, char *argv[]) {
int i, j; //loop variables
Image *src;
Module* wall;
Module* ray;
Module* ray2;
Module *scene1;
Module* scene2;
Polygon p;
Line l;
Point point[4];
Point point2[2];
View3D view;
Matrix vtm, gtm;
DrawState *ds;
char filename[100];
Color Flame = { { 1.0, 0.7, 0.2 } };
Color Red = { { 1.0, 0.2, 0.1 } };
Color Grey = { { 0.745, 0.745, 0.745} };
Color Blue = {{0.117647, 0.564706, 1}};
// Color Grey = {{1, 1, 1}};
// set up the view
point_set3D( &(view.vrp), 4, 4, 4 );
vector_set( &(view.vpn), -view.vrp.val[0], -view.vrp.val[1], -view.vrp.val[2] );
vector_set( &(view.vup), 0, 1, 0 );
view.d = 1;
view.du = 1.6;
view.dv = 0.9;
view.f = 1;
view.b = 50;
view.screenx = 640;
view.screeny = 360;
matrix_setView3D( &vtm, &view );
matrix_identity( >m );
// //wall
wall = module_create();
module_color(wall, &Red);
polygon_init(&p);
point_set3D(&point[0], 1,1,2);
point_set3D(&point[1], 1,0,2);
point_set3D(&point[2], 0,0,2);
point_set3D(&point[3], 0,1,2);
polygon_set(&p, 4, &point[0]);
module_polygon(wall, &p);
//ray
ray = module_create();
module_color(ray, &Blue);
for(i=0; i< 5; i++){
point_set3D(&point2[0], -1+0.01*i, -1, 1);
point_set3D(&point2[1], 1+0.01*i, 1, 1);
line_set(&l, point2[0], point2[1]);
module_line(ray, &l);
}
//ray2
ray2 = module_create();
module_color(ray2, &Red);
for(i=0; i< 5; i++){
point_set3D(&point2[0], -1+0.01*i, 1, -1);
point_set3D(&point2[1], 1+0.01*i, -1, -1);
line_set(&l, point2[0], point2[1]);
// line_zBuffer(&l, 0);
module_line(ray2, &l);
}
//scene
// scene = module_create();
// module_module(scene, wall);
// module_module(scene, ray);
// module_module(scene, ray2);
// module_module(scene, wall);
for(i=0; i< 36; i++){
//scene
scene1 = module_create();
scene2 = module_create();
module_rotateZ(scene1, cos(i*10 * M_PI/180), sin(i*10 * M_PI/180));
module_scale( scene1, 3, 1, 2 );
module_color( scene1, &Blue );
module_cube( scene1, 1);
module_scale(scene2, 0.5, 0.5, 0.5);
module_cylinder(scene2, 30);
// create the image and drawstate
src = image_create( 360, 640 );
ds = drawstate_create();
drawstate_setAlpha(ds, 1);
ds->shade = ShadeDepth;
// draw into the scene
// module_draw( scene1, &vtm, >m, ds, src );
drawstate_setAlpha(ds, 1 );
module_draw( scene1, &vtm, >m, ds, src );
// write out the scene
sprintf(filename, "frame_%.2d.ppm", i);
image_write( src, filename );
module_delete( scene1);
}
//free the polygon data
// polygon_clear( &p );
// free the modules
// module_delete( scene);
// module_delete( wall );
// free the drawstate
free(ds);
// free the image
image_free( src );
return(0);
}
/*
Program to test matrix library functionality
*/
int main(int argc, char *argv[]) {
Image *src;
const int rows = 600;
const int cols = 800;
const int Resolution = 50;
Color Grey;
Color dkGrey;
Color Red;
Color Blue;
Point unitCircle[Resolution];
Point unitSquare[4];
Point pt[Resolution];
Point ptt[Resolution];
int i, index = 0;
Matrix VTM, GTM, LTM;
Polygon *ship[50];
Color shipColor[50];
double theta = 0.0;
double phaserAngle = 0.0;
int firePhase = 0;
color_set(&Grey, 180/255.0, 180/255.0, 183/255.0);
color_set(&dkGrey, 140/255.0, 140/255.0, 143/255.0);
color_set(&Red, 250/255.0, 40/255.0, 40/255.0);
color_set(&Blue, 30/255.0, 20/255.0, 250/255.0);
if(argc > 1) {
theta = atoi(argv[1]);
}
printf("Drawing ship with orientation %.2f degrees\n", theta);
if(argc > 2) {
phaserAngle = atoi(argv[2]);
firePhase = 1;
printf("Drawing phaser with angle %.2f degrees\n", phaserAngle);
}
srand(42);
src = image_create(rows, cols);
// initialize the three matrices
matrix_identity(&VTM);
matrix_identity(>M);
matrix_identity(<M);
// Fix world coordinates as normal (x, y)
// give the view window an origin at -180m, -150m
// size is a 4x3 ratio
// VTM = T(0, rows-1)S(cols/vx, rows/vy)T(180, 150)
matrix_translate2D(&VTM, 120, 100);
matrix_scale2D(&VTM, cols/(4*60), -rows/(3*60));
matrix_translate2D(&VTM, 0, rows-1);
printf("VTM\n");
matrix_print(&VTM, stdout);
// make a space ship oriented along the positive X axis
// use the LTM to move simple primitives into place
// use the GTM to rotate the ship
// use the VTM to change the view
// make a list of points that form the unit circle
for(i=0;i<Resolution;i++) {
point_set2D(&(unitCircle[i]),
cos( i * 2.0 * M_PI / (float)Resolution),
sin( i * 2.0 * M_PI / (float)Resolution));
}
// set up the unit square
point_set2D(&(unitSquare[0]), 0, 0);
point_set2D(&(unitSquare[1]), 1, 0);
point_set2D(&(unitSquare[2]), 1, 1);
point_set2D(&(unitSquare[3]), 0, 1);
// build a set of polygons that form the ship in model space
// put the origin of the model between the engines
// outline for the main disk
matrix_identity(<M);
matrix_scale2D(<M, 31, 31);
// move it 20m along the X-axis
matrix_translate2D(<M, 60, 0);
// transform the circle points using LTM
for(i=0;i<Resolution;i++) {
matrix_xformPoint(<M, &(unitCircle[i]), &(pt[i]));
}
// add the polygon
matrix_print(<M, stdout);
ship[index] = polygon_createp(Resolution, pt);
shipColor[index++] = Red;
printf("Post-LTM\n");
polygon_print(ship[0], stdout);
// main disk
matrix_identity(<M);
matrix_scale2D(<M, 30, 30);
// move it 20m along the X-axis
matrix_translate2D(<M, 60, 0);
// transform the circle points using LTM
for(i=0;i<Resolution;i++) {
matrix_xformPoint(<M, &(unitCircle[i]), &(pt[i]));
}
// add the polygon
matrix_print(<M, stdout);
ship[index] = polygon_createp(Resolution, pt);
shipColor[index++] = Grey;
// central bridge disk
matrix_identity(<M);
matrix_scale2D(<M, 10, 10);
// move it 20m along the X-axis
matrix_translate2D(<M, 60, 0);
// transform the circle points using LTM
for(i=0;i<Resolution;i++) {
matrix_xformPoint(<M, &(unitCircle[i]), &(pt[i]));
}
// add the polygon
matrix_print(<M, stdout);
ship[index] = polygon_createp(Resolution, pt);
shipColor[index++] = dkGrey;
// make the body disk elongated along the X axis
matrix_identity(<M);
matrix_scale2D(<M, 30, 12);
matrix_translate2D(<M, 2.5, 0);
// transform the circle points using LTM
for(i=0;i<Resolution;i++) {
matrix_xformPoint(<M, &(unitCircle[i]), &(pt[i]));
}
// add the polygon
matrix_print(<M, stdout);
ship[index] = polygon_createp(Resolution, pt);
shipColor[index++] = Grey;
// make a trapezoidal strut out of the unit square
matrix_identity(<M);
matrix_translate2D(<M, -0.5, 0.0);
matrix_scale2D(<M, 10, 10);
matrix_shear2D(<M, .2, 0.0);
for(i=0;i<4;i++) {
matrix_xformPoint(<M, &(unitSquare[i]), &(pt[i]));
}
// move the strut out from the origin along the Y axis
matrix_identity(<M);
matrix_translate2D(<M, 0, 12);
for(i=0;i<4;i++) {
matrix_xformPoint(<M, &(pt[i]), &(ptt[i]));
}
// add the polygon
matrix_print(<M, stdout);
ship[index] = polygon_createp(4, ptt);
shipColor[index++] = Grey;
// place the second strut
matrix_identity(<M);
matrix_scale2D(<M, 1, -1);
matrix_translate2D(<M, 0, -12);
for(i=0;i<4;i++) {
matrix_xformPoint(<M, &(pt[i]), &(ptt[i]));
}
// add the polygon
ship[index] = polygon_createp(4, ptt);
shipColor[index++] = Grey;
// create an engine outline from the unit circle
matrix_identity(<M);
matrix_scale2D(<M, 31, 6);
// make the engine
for(i=0;i<Resolution;i++) {
matrix_xformPoint(<M, &(unitCircle[i]), &(pt[i]));
}
// send one engine to the right location
matrix_identity(<M);
matrix_translate2D(<M, -5, 27);
// move the engine
for(i=0;i<Resolution;i++) {
matrix_xformPoint(<M, &(pt[i]), &(ptt[i]));
}
// add the polygon
ship[index] = polygon_createp(Resolution, ptt);
shipColor[index++] = Blue;
// send the other engine to the right location
matrix_identity(<M);
matrix_translate2D(<M, -5, -27);
// move the engine
for(i=0;i<Resolution;i++) {
matrix_xformPoint(<M, &(pt[i]), &(ptt[i]));
}
// add the polygon
ship[index] = polygon_createp(Resolution, ptt);
shipColor[index++] = Blue;
// create an engine
matrix_identity(<M);
matrix_scale2D(<M, 30, 5);
// make the engine
for(i=0;i<Resolution;i++) {
matrix_xformPoint(<M, &(unitCircle[i]), &(pt[i]));
}
// send one engine to the right location
matrix_identity(<M);
matrix_translate2D(<M, -5, 27);
// move the engine
for(i=0;i<Resolution;i++) {
matrix_xformPoint(<M, &(pt[i]), &(ptt[i]));
}
// add the polygon
ship[index] = polygon_createp(Resolution, ptt);
shipColor[index++] = Grey;
// send the other engine to the right location
matrix_identity(<M);
matrix_translate2D(<M, -5, -27);
// move the engine
for(i=0;i<Resolution;i++) {
matrix_xformPoint(<M, &(pt[i]), &(ptt[i]));
}
// add the polygon
ship[index] = polygon_createp(Resolution, ptt);
shipColor[index++] = Grey;
// set up the phaser
if(firePhase) {
matrix_identity(<M);
matrix_scale2D(<M, 100, 2);
// orient the phaser
matrix_rotateZ(<M, cos(phaserAngle*M_PI/180.0), sin(phaserAngle*M_PI/180.0));
// translate it to the center of the disk and out
matrix_translate2D(<M,
60 + 30 * cos(phaserAngle*M_PI/180.0),
30 * sin(phaserAngle*M_PI/180.0) );
// use the unit square
for(i=0;i<4;i++) {
matrix_xformPoint(<M, &(unitSquare[i]), &(pt[i]));
}
// add the polygon
ship[index] = polygon_createp(4, pt);
shipColor[index++] = Red;
}
matrix_rotateZ(>M, cos(theta*M_PI/180.0), sin(theta*M_PI/180.0));
printf("GTM:\n");
matrix_print(>M, stdout);
printf("Pre-GTM/VTM\n");
polygon_print(ship[0], stdout);
for(i=0;i<index;i++) {
// multiply the polygon by the global transform matrix
matrix_xformPolygon(>M, ship[i]);
if(i==0) {
printf("Pre-VTM\n");
polygon_print(ship[i], stdout);
}
// multiply the polygon by the view transformation matrix
matrix_xformPolygon(&VTM, ship[i]);
if(i==0) {
printf("Pre-draw\n");
polygon_print(ship[i], stdout);
}
// draw the polygon
polygon_drawFill(ship[i], src, shipColor[i]);
}
image_write(src, "test5a.ppm");
image_free(src);
return(0);
}
/*
Program to test polygon functionality using barycentric coordinates
*/
int main(int argc, char *argv[]) {
Image *src;
const int rows = 100;
const int cols = 100;
Polygon *p;
Color Red;
Color White;
Color Blue;
Point pt[100];
color_set(&Red, 0.9, 0.2, 0.1 );
color_set(&White, 1.0, 1.0, 1.0 );
color_set(&Blue, 0.2, 0.1, 0.95 );
src = image_create(rows, cols);
// make a simple square to test proper areas and locations
// the square ought to be 20x20, include pixel (30,30) and exclude pixel (50, 50)
point_set2D(&(pt[0]), 30, 30);
point_set2D(&(pt[1]), 50, 30);
point_set2D(&(pt[2]), 50, 50);
point_set2D(&(pt[3]), 30, 50);
point_set2D(&(pt[4]), 30, 30);
p = polygon_createp(3, pt);
printf("drawing polygon 1\n");
polygon_drawFillB(p, src, Blue);
polygon_set(p, 3, &(pt[2]) );
printf("drawing polygon 2\n");
polygon_drawFillB(p, src, Red);
point_set2D(&(pt[5]), 60, 20);
point_set2D(&(pt[6]), 80, 85);
point_set2D(&(pt[7]), 50, 70);
polygon_set(p, 3, &(pt[5]));
printf("drawing polygon 3\n");
polygon_drawFillB(p, src, White);
point_set2D(&(pt[8]), 5, 5);
point_set2D(&(pt[9]), 25, 5);
point_set2D(&(pt[10]), 25, 25);
point_set2D(&(pt[11]), 5, 25);
point_set2D(&(pt[12]), 5, 5);
polygon_set(p, 3, &(pt[10]) );
printf("drawing polygon 4\n");
polygon_drawFillB(p, src, Red);
polygon_set(p, 3, &(pt[8]));
printf("drawing polygon 5\n");
polygon_drawFillB(p, src, Blue);
printf("writing output\n");
image_write(src, "test4b.ppm");
image_free(src);
return(0);
}
int main(int argc, char *argv[]) {
int i, frame;
Color blue, green, purple, red, white;
Point p[4];
BezierCurve bc;
DrawState ds;
Module *curveA;
Module *curveB;
Module *curves;
View3D view;
Matrix VTM, GTM;
int divisions = 4;
int rows = 300, cols = 400;
Image *src = image_create(rows, cols);
// grab the command line argument, if one exists
if(argc > 1) {
int tmp = atoi(argv[1]);
if( tmp >= 0 && tmp < 10 )
divisions = tmp;
}
printf("Creating Bezier curves with %d subdivisions\n", divisions);
color_set(&white, 1.0, 1.0, 1.0 );
color_set(&blue, .1, .2, .8);
color_set(&green, .2, 0.7, 0.3 );
color_set(&purple, 0.6, 0.1, 0.7 );
color_set(&red, 0.75, 0.3, 0.3 );
// set one curve
point_set3D(&p[0], 0.0, 0.0, 0.0);
point_set3D(&p[1], 1.0, 0.2, 0.0);
point_set3D(&p[2], 0.7, 0.5, 0.2);
point_set3D(&p[3], 1.0, 1.0, 1.0);
bezierCurve_set(&bc, p);
// put the curve into a module
curveA = module_create();
module_color(curveA, &blue);
module_bezierCurve(curveA, &bc, divisions);
// set the second curve
point_set3D(&p[0], 0.0, 0.0, 0.0);
point_set3D(&p[1], 0.0, 0.2, 1.0);
point_set3D(&p[2], 0.2, 0.5, 0.7);
point_set3D(&p[3], 1.0, 1.0, 1.0);
bezierCurve_set(&bc, p);
// put the curve into a module
curveB = module_create();
module_color(curveB, &green);
module_bezierCurve(curveB, &bc, divisions);
// create a module with six curves
curves = module_create();
for(i=0;i<3;i++) {
module_module( curves, curveA );
module_module( curves, curveB );
module_rotateY( curves, cos(2.0*M_PI/3.0), sin(2.0*M_PI/3.0) );
}
// set up the drawstate
drawstate_setColor(&ds, white);
// set up the view
point_set3D(&(view.vrp), 0.0, 0.5, -3.0 );
vector_set( &(view.vpn), 0.0, 0.0, 1.0 );
vector_set( &(view.vup), 0.0, 1.0, 0.0 );
view.d = 1.0;
view.du = 1.0;
view.dv = 1.0*rows/cols;
view.screeny = rows;
view.screenx = cols;
view.f = 0.0;
view.b = 3.0;
matrix_setView3D( &VTM, &view );
matrix_identity( >M );
// Create the animation by adjusting the GTM
for(frame=0;frame<60;frame++) {
char buffer[256];
matrix_rotateY(>M, cos(M_PI/30.0), sin(M_PI/30.0) );
module_draw( curves, &VTM, >M, &ds, NULL, src );
sprintf(buffer, "bez3d-frame%03d.ppm", frame);
image_write(src, buffer);
image_reset(src);
}
printf("converting to gif...\n");
system("convert -delay 1.5 -loop 0 bez3d-frame*.ppm bez3d.gif");
system("rm bez3d-frame*.ppm");
// clean up
image_free( src );
module_delete( curveA );
module_delete( curveB );
module_delete( curves );
return(0);
}
int main(int argc, char* argv[]){
Image* src;
Module *scene;
Module* GRAPHICS;
View3D view;
Matrix vtm, gtm;
DrawState *ds;
Lighting *light;
Point center;//center of animation
Polygon poly;//polygon that holds the animation path points
int frameNum;//holds the frame number for animation
char filename[100];//holds the frame name
Color Red;
Color Blue;
Color Green;
Color Grey;
Color Lemon;
Color Black;
Color White;
Color Yellow;
Color DarkAmbiant;
Color randColor[10];
//setting colors
Color_set(&Red, 1.0, 0.2, 0.1 );
Color_set(&Blue, 0.1, 0.1, 1.0);
Color_set(&Green, 0.1, 1, 0.1 );
Color_set(&White, 1, 1, 1 );
Color_set(&Grey, 0.7, 0.7, 0.7 );
Color_set(&Lemon, 1.0, 1.0, 0.8);
Color_set(&Black, 0.05, 0.05, 0.05);
Color_set(&Yellow, 1, 0.894118, 0.709804);
Color_set(&DarkAmbiant, 0.3, 0.3, 0.3);
Color_set(&randColor[0], 0, 1, 1);
Color_set(&randColor[1], 0.498039, 1, 0);
Color_set(&randColor[2], 1, 0.54902, 0);
Color_set(&randColor[3], 1, 0.0784314, 0.576471);
Color_set(&randColor[4], 1, 0.843137, 0);
Color_set(&randColor[5], 0.960784, 1, 0.980392);
Color_set(&randColor[6], 1, 0.647059, 0);
Color_set(&randColor[7], 1, 0.270588, 0);
Color_set(&randColor[8], 0, 1, 0.498039);
Color_set(&randColor[9], 1, 1, 0);
// setting the view
point_set3D( &(view.vrp), 35, 60, 30 );
vector_set( &(view.vpn), -view.vrp.val[0]+35, -view.vrp.val[1], -view.vrp.val[2]);
vector_set( &(view.vup), 0, 1, 0 );
view.d = 1;
view.du = 1.6;
view.dv = 0.9;
view.f = 1;
view.b = 200;
view.screenx = 1280;
view.screeny = 720;
matrix_setView3D( &vtm, &view );
matrix_identity( >m );
//creating GRAPHICS module
GRAPHICS = module_create();
module_alphabet_G(GRAPHICS);
module_identity(GRAPHICS);
module_translate(GRAPHICS, 10, 0, 0);
module_alphabet_R(GRAPHICS);
module_identity(GRAPHICS);
module_translate(GRAPHICS, 20, 0, 0);
module_alphabet_A(GRAPHICS);
module_identity(GRAPHICS);
module_translate(GRAPHICS, 30, 0, 0);
module_alphabet_P(GRAPHICS);
module_identity(GRAPHICS);
module_translate(GRAPHICS, 40, 0, 0);
module_alphabet_H(GRAPHICS);
module_identity(GRAPHICS);
module_translate(GRAPHICS, 50, 0, 0);
module_alphabet_I(GRAPHICS);
module_identity(GRAPHICS);
module_translate(GRAPHICS, 56, 0, 0);
module_alphabet_C(GRAPHICS);
module_identity(GRAPHICS);
module_translate(GRAPHICS, 68, 0, 0);
module_alphabet_S(GRAPHICS);
// setting the light
light = lighting_create();
lighting_add( light, LightAmbient, &Lemon, NULL, NULL, 0, 0);
lighting_add(light, LightPoint, &White , NULL, &view.vrp, 0, 0);
lighting_add(light, LightSpot, &White, &view.vpn, &view.vrp, cos(10*M_PI/180), 40);
//setting drawstate
ds = drawstate_create();
point_copy(&(ds->viewer), &(view.vrp) );
ds->shade = ShadePhong;
// ds->shade = ShadeDepth;
drawstate_setBody(ds, Black);
drawstate_setSurface(ds, Red);
drawstate_setSurfaceCoeff(ds, 10);
//Animation
frameNum =0;
//path #1
point_set3D(¢er, 40, 0, -10);
view_rotate_circle(&poly, ¢er, 100, 50, 0, 0, 0);
polygon_print(&poly, stdout);
for(int k=0; k<100; k++){
frameNum++;
point_set3D( &(view.vrp), poly.vertex[k].val[0], poly.vertex[k].val[1], poly.vertex[k].val[2]);
vector_set( &(view.vpn), -view.vrp.val[0], -view.vrp.val[1], -view.vrp.val[2] );
matrix_setView3D( &vtm, &view );
//creating scene module
scene = module_create();
module_module(scene, GRAPHICS);
// image
src = image_create( view.screeny, view.screenx );
image_fillrgb(src, 1.0, 1.0, 0.8);
//Drawing
module_draw( scene, &vtm, >m, ds, light, src );
sprintf(filename, "../images/frame_%.4d.ppm",frameNum);
image_write( src, filename);
}
//path #2
point_set3D(¢er, 40, 0, -10);
view_rotate_circle(&poly, ¢er, 100, 90, 0, 0 , 0);
// polygon_print(&poly, stdout);
for(int k=0; k<100; k++){
if(frameNum == 119){
point_print(&view.vrp, stdout);
break;
}
view_rotate_circle(&poly, ¢er, 50, 50+k, 0-2*k, 0 , 0);
frameNum++;
point_set3D( &(view.vrp), poly.vertex[k].val[0], poly.vertex[k].val[1], poly.vertex[k].val[2]);
vector_set( &(view.vpn), -view.vrp.val[0], -view.vrp.val[1], -view.vrp.val[2] );
matrix_setView3D( &vtm, &view );
//creating scene module
scene = module_create();
module_module(scene, GRAPHICS);
// image
src = image_create( view.screeny, view.screenx );
image_fillrgb(src, 1.0, 1.0, 0.8);
//Drawing
module_draw( scene, &vtm, >m, ds, light, src );
sprintf(filename, "../images/frame_%.4d.ppm",frameNum);
image_write( src, filename);
}
//path #3
for(int k=0; k<120; k++){
frameNum++;
if(frameNum <= 160){
point_set3D( &(view.vrp), -3.345+(k), 36.298+(k), 28.391-(k/2.0));
vector_set( &(view.vpn), -view.vrp.val[0]+k, -view.vrp.val[1], -view.vrp.val[2]);
matrix_setView3D( &vtm, &view );
}
//creating scene module
scene = module_create();
module_module(scene, GRAPHICS);
if(frameNum == 160){
light = lighting_create();
lighting_add( light, LightAmbient, &Grey, NULL, NULL, 0, 0);
}
// setting the light
if(frameNum == 165){
Point plight1;
point_set3D(&plight1, -5, 10, -10);
lighting_add(light, LightSpot, &White, &view.vpn, &plight1, cos(10*M_PI/180), 40);
}
if(frameNum == 175){
Point plight2;
point_set3D(&plight2, 85, 10, -10);
lighting_add(light, LightSpot, &White, &view.vpn, &plight2, cos(10*M_PI/180), 40);
}
if(frameNum == 180){
lighting_add(light, LightSpot, &White, &view.vpn, &view.vrp, cos(10*M_PI/180), 40);
}
if(frameNum >= 183){
light = lighting_create();
lighting_add( light, LightAmbient, &Grey, NULL, NULL, 0, 0);
int output1 = 0 + (rand() % (int)(10 - 0 + 1));
int output2 = 0 + (rand() % (int)(10 - 0 + 1));
int output3 = 0 + (rand() % (int)(10 - 0 + 1));
Point plight1;
point_set3D(&plight1, -5, 10, -10);
lighting_add(light, LightSpot, &randColor[output1], &view.vpn, &plight1, cos(10*M_PI/180), 40);
Point plight2;
point_set3D(&plight2, 85, 10, -10);
lighting_add(light, LightSpot, &randColor[output2], &view.vpn, &plight2, cos(10*M_PI/180), 40);
lighting_add(light, LightSpot, &randColor[output3], &view.vpn, &view.vrp, cos(10*M_PI/180), 40);
}
// image
src = image_create( view.screeny, view.screenx );
image_fillrgb(src, 1.0, 1.0, 0.8);
//setting drawstate
ds = drawstate_create();
point_copy(&(ds->viewer), &(view.vrp) );
ds->shade = ShadePhong;
// ds->shade = ShadeDepth;
drawstate_setBody(ds, Black);
drawstate_setSurface(ds, Red);
drawstate_setSurfaceCoeff(ds, 10);
//Drawing
module_draw( scene, &vtm, >m, ds, light, src );
sprintf(filename, "../images/frame_%.4d.ppm",frameNum);
image_write( src, filename);
}
//***Uncomment for making the .gif animation***
printf("Making the demo.gif file....\n");
system("convert -delay 10 ../images/frame_*.ppm ../images/demo.gif");
printf("Cleaning up...\n");
system("rm -f ../images/frame_*.ppm");
printf("Finished Successfully :)\n");
return(0);
}
/*we are going to draw a cube using our new module hiearchy*/
int main( int argc, char *argv[]){
Image *src;
Module *cube1;
Module *cube2;
Module *cube3;
Module *cube4;
Module *cube5;
Module *cube6;
Module *cube7;
Module *cube8;
Module *manyCubes;
Color Blue;
View3D view;
Matrix vtm, gtm;
int rows = 320;
int cols = 320;
DrawState *ds;
int count;
char filename[256];
//Set the colors up
color_set(&Blue, 0.0, 0, 1.0);
// set up the view
point_set( &(view.vrp), 1, 2, 0,0 );
vector_set( &(view.vpn), -view.vrp.val[0], -view.vrp.val[1], -view.vrp.val[2] );
vector_set( &(view.vup),0, 1.0, 0);
view.d = 5;
view.du = 5;
view.dv = view.du * (float)rows/cols;
view.f = 0;
view.b = 5;
view.screenx = rows;
view.screeny = cols;
matrix_setView3D( &vtm, &view );
matrix_identity( >m );
for (count = 0; count< 205; count++){
//Start first cube
cube1 = module_create();
module_color( cube1, &Blue);
module_translate(cube1, 0, 0, 0-count*0.01);
module_cube(cube1, 0);
//Set the colors up
color_set(&Blue, 0.1, 0.1, 1.0);
//Start second cube
cube2 = module_create();
module_color(cube2, &Blue);
module_translate(cube2, 0, 0, 0+count*0.01);
module_cube(cube2, 0);
//Set the colors up
color_set(&Blue, 0.2, 0.2, 1.0);
//start third cube
cube3 = module_create();
module_color(cube3, &Blue);
module_translate(cube3, 0+count*0.01,0, 0);
module_cube(cube3, 0);
//Set the colors up
color_set(&Blue, 0.3, 0.3, 1.0);
//start fourth cube
cube4 = module_create();
module_color(cube4, &Blue);
module_translate(cube4, 0-count*0.01,0, 0);
module_cube(cube4, 0);
//Set the colors up
color_set(&Blue, 0.4, 0.4, 1.0);
//start fifth cube
cube5 = module_create();
module_color(cube5, &Blue);
module_translate(cube5, 0-count*0.01, 0, 0-count*0.01);
module_cube(cube5, 0);
//Set the colors up
color_set(&Blue, 0.5, 0.5, 1.0);
cube6 = module_create();
module_color(cube6, &Blue);
module_translate(cube6, 0+count*0.01, 0, 0+count*0.01);
module_cube(cube6, 0);
//Set the colors up
color_set(&Blue, 0.6, 0.6, 1.0);
cube7 = module_create();
module_color(cube7, &Blue);
module_translate(cube7, 0-count*0.01, 0, 0+count*0.01);
module_cube(cube7, 0);
//Set the colors up
color_set(&Blue, 0.7, 0.7, 1.0);
cube8 = module_create();
module_color(cube8, &Blue);
module_translate(cube8, 0+count*0.01, 0, 0-count*0.01);
module_cube(cube8, 0);
//put the cubes into a scene!
manyCubes = module_create();
module_module(manyCubes, cube5);
module_module(manyCubes, cube6);
module_module(manyCubes, cube7);
module_module(manyCubes, cube8);
module_module(manyCubes, cube1);
module_module(manyCubes, cube2);
module_module(manyCubes, cube3);
module_module(manyCubes, cube4);
//Create the image draw state
src = image_create(rows, cols);
ds = drawstate_create();
ds->shade = ShadeConstant;
//Draw the scene
module_draw( manyCubes, &vtm, >m, ds, NULL, src );
//write out the scene
sprintf(filename, "/export/home/vedwards/Desktop/Graphics/images/blueCube/frame-%04d.ppm", count );
printf("Writing image\n");
image_write( src, filename );
//image_write(src, "blueCubeNew.ppm");
}
//free the modules
module_delete( manyCubes );
module_delete( cube1 );
module_delete( cube2 );
module_delete( cube3 );
module_delete( cube4 );
module_delete( cube5 );
module_delete( cube6 );
module_delete( cube7 );
module_delete( cube8 );
//free the drawState
free(ds);
//free the image
image_free( src );
return(0);
}
/*
Program to test polygon functionality
*/
int main(int argc, char *argv[]) {
Image *src;
const int rows = 300;
const int cols = 400;
Polygon *p;
Color Red;
Color Orange;
Color White;
Color Blue;
Point pt[100];
int i;
srand(42);
color_set(&Red, 0.9, 0.2, 0.1 );
color_set(&Orange, 0.95, 0.7, 0.3 );
color_set(&White, 1.0, 1.0, 1.0 );
color_set(&Blue, 0.2, 0.1, 0.95 );
src = image_create(rows, cols);
// make a simple square to test proper areas and locations
// the square ought to be 20x20, include pixel (30,30) and exclude pixel (50, 50)
point_set2D(&(pt[0]), 30, 30);
point_set2D(&(pt[1]), 50, 30);
point_set2D(&(pt[2]), 50, 50);
point_set2D(&(pt[3]), 30, 50);
p = polygon_createp(4, pt);
printf("drawing a square\n");
polygon_drawFill(p, src, Blue);
// something more interesting
for(i=0;i<50;i++) {
float dr = rand() % 20;
point_set2D(&(pt[i]),
200 + cos((float)i * M_PI * 2.0 / 50.0)*(70 + dr),
150 + sin((float)i * M_PI * 2.0 / 50.0)*(70 + dr));
}
polygon_set(p, 50, pt);
printf("drawing first big polygon\n");
polygon_drawFill(p, src, Red);
for(i=0;i<50;i++) {
float dr = rand() % 15;
point_set2D(&(pt[i]),
200 + cos((float)i * M_PI * 2.0 / 50.0)*(50 + dr),
150 + sin((float)i * M_PI * 2.0 / 50.0)*(50 + dr));
}
polygon_set(p, 50, pt);
printf("drawing second big polygon\n");
polygon_drawFill(p, src, Orange);
for(i=0;i<50;i++) {
float dr = rand() % 10;
point_set2D(&(pt[i]),
200 + cos((float)i * M_PI * 2.0 / 50.0)*(30 + dr),
150 + sin((float)i * M_PI * 2.0 / 50.0)*(30 + dr));
}
polygon_set(p, 50, pt);
printf("drawing third big polygon\n");
polygon_drawFill(p, src, White);
printf("writing output\n");
image_write(src, "test4a.ppm");
image_free(src);
return(0);
}