void display(void)
{
char tmps[128];
float rf;
// setup projection and modelview matrices
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, DS_WIDTH, 0, DS_HEIGHT, -1, 1);
glScalef(1, -1, 1);
glTranslatef(0, -DS_HEIGHT, 0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
// clear the back buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// enable stuff
glEnable(GL_LINE_SMOOTH);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
// draw the current page
switch (cpage)
{
case MAIN_PAGE1: synth_draw(); break;
case MAIN_PAGE2: patch_draw(); break;
case MAIN_PAGE3: pattern_draw(); break;
case MAIN_PAGE4: sequencer_draw(); break;
default: break;
}
// global ui elements
console_print(6, DS_HEIGHT-27);
main_ui[cpage]|=2;
draw_button(DS_WIDTH-159, DS_HEIGHT-14, 16, "1", main_ui[MAIN_PAGE1]);
draw_button(DS_WIDTH-137, DS_HEIGHT-14, 16, "2", main_ui[MAIN_PAGE2]);
draw_button(DS_WIDTH-115, DS_HEIGHT-14, 16, "3", main_ui[MAIN_PAGE3]);
draw_button(DS_WIDTH-93, DS_HEIGHT-14, 16, "4", main_ui[MAIN_PAGE4]);
draw_textbox(DS_WIDTH-42, DS_HEIGHT-14, 16, 74, "komposter", main_ui[MAIN_ABOUT]);
main_ui[cpage]&=1;
// draw vu peak meter
rf=fmin(1.0f, audio_latest_peak);
rf=(0.2*lastrf) + (0.8*rf); // damping
lastrf=rf;
draw_textbox(728, DS_HEIGHT-14, 16, 100, "", main_ui[MAIN_VU]);
glColor4f(0.68f, 0.33f, 0.0f, 0.94f);
glBegin(GL_QUADS);
glVertex2f(678, DS_HEIGHT-22);
glVertex2f(678 + rf*100, DS_HEIGHT-22);
glVertex2f(678 + rf*100, DS_HEIGHT-6);
glVertex2f(678, DS_HEIGHT-6);
glEnd();
sprintf(tmps, "%1.2f", audio_peak);
render_text(tmps, 728, DS_HEIGHT-11, 2, (audio_peak > 1.0f) ? 0xffff8080 : 0xffffffff, 1);
// if a dialog is active, dim the screen and draw it
if (is_dialog()) dialog_draw();
// switch the back buffer to front
glutSwapBuffers();
}
void draw_text(void) {
TextBox *box;
for(box = textboxes; box != NULL; box = box->next)
draw_textbox(box);
}
