void character::init() {
if (!loaded) {
loaded = load_frames();
}
}
void redraw_window() {
struct frame *frame;
glLoadIdentity();
glViewport(0,0, active_window->w, active_window->h);
glOrtho(0, 1, 0, 1,0,1);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
switch (active_window->state) {
case STATE_LOADING:
glColor3f(1.0f, 1.0f, 1.0f);
glutBitmapString(GLUT_BITMAP_HELVETICA_18, "Loading frames ... Please wait.");
load_frames(active_window);
active_window->state = STATE_VIEW;
break;
case STATE_VIEW:
// Get frame
frame = get_frame(active_window->frames, active_window->cur);
if (frame == 0) {
printf("Frame #%d wasn't found\n", active_window->cur);
return;
}
// Draw image
glBindTexture(GL_TEXTURE_2D, frame->texture);
glEnable(GL_TEXTURE_2D);
glBegin(GL_QUADS);
glTexCoord2f(0.0,1.0);
glVertex2f(0,0);
glTexCoord2f(1.0,1.0);
glVertex2i(1.0f, 0.0f);
glTexCoord2f(1.0f,0.0f);
glVertex2f(1.0f, 1.0f);
glTexCoord2f(0.0f, 0.0f);
glVertex2f(0,1.0f);
glEnd();
glDisable(GL_TEXTURE_2D);
// Draw text
glColor3f(1.0f, 1.0f, 1.0f);
char *fr_str = malloc(255);
char *rad_str = malloc(255);
sprintf(fr_str, "Frame %d of %d", active_window->cur, active_window->nfr);
sprintf(rad_str,"Radius: %d", active_window->radius);
glRasterPos2f(0.0f, 0.0f);
glutBitmapString(GLUT_BITMAP_HELVETICA_12, fr_str);
glutBitmapString(GLUT_BITMAP_HELVETICA_12, rad_str);
// If we have hough transformed it, draw a circle
if (frame->flag & HAS_HOUGH && frame->hough.found) {
glLoadIdentity();
glOrtho(0, active_window->w, active_window->h, 0, 0, 1);
float theta;
float x0, y0, r;
x0 = frame->hough.x;
y0 = frame->hough.y;
r = frame->hough.radius;
glBegin(GL_LINE_LOOP);
// Draw circle
glColor3f(1.0f, 0.0f, 0.0f);
for (theta = 0.0f; theta < 2*M_PI; theta += 0.01f) {
glVertex2f(x0+r*cos(theta), y0+r*sin(theta));
}
glColor3f(1.0f, 1.0f, 1.0f);
glEnd();
}
// Draw square around match
if (frame->flag & HAS_MATCH) {
glLoadIdentity();
glOrtho(0, active_window->w, active_window->h, 0, 0, 1);
float w = (float)active_window->tmpl->cols, h = (float)active_window->tmpl->rows;
glBegin(GL_LINE_LOOP);
glColor3f(1.0f, 0.0f, 0.0f);
glVertex2f(frame->match.x+w, frame->match.y+h);
glVertex2f(frame->match.x+w, frame->match.y);
glVertex2f(frame->match.x, frame->match.y);
glVertex2f(frame->match.x, frame->match.y+h);
glColor3f(1.0f, 1.0f, 1.0f);
glEnd();
}
free(fr_str);
free(rad_str);
break;
}
glFlush();
}