Allegro 5 strange behavior on drawing more scaled bitmap

Asked Mar 19 '14 at 10:00

Active Mar 19 '14 at 10:05

Viewed 235 times

I was trying to create a card solitaire in C with Allegro 5.

void deck_printout(deck*d)
{
  int i;
  al_clear_to_color(stdcolor);
  for(i=0;i<40;i++){
     al_draw_scaled_bitmap(d->cards[i].img,
                           d->cards[i].xpos,
                           d->cards[i].ypos,
                           SWID,
                           SHEI,
                           d->cards[i].xpos,
                           d->cards[i].ypos,
                           DWID, DHEI, 0);
     //printf("%f %f\n",d->cards[i].xpos,d->cards[i].ypos);
     //al_draw_scaled_bitmap(d->cards[i].img,0,0,SWID,SHEI,0,0,DWID,DHEI,0);
     //al_draw_bitmap(d->cards[i].img,d->cards[i].xpos,d->cards[i].ypos,0);
  }
}

This function shuld draw all cards to the display. xpos and ypos are set correctly for each card, SWID and SHEI are 225x315 and DWID and DHEI are 80x112.

The printf() suggests me that the position of cards is ok, al_draw_bitmap suggests me that this problem may be caused by the scaling.

Here's what it looks like:

Screenshot of jumbled playing cards

edited Mar 19 '14 at 10:05

unwind

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asked Mar 19 '14 at 10:00

user2993486

have you tried without scaling? – aisbaa Mar 19 '14 at 10:02
yes, using al_draw_bitmap, cards are overlapped, because they are big and I use the position for the cards scaled, but there isn't that bad effect. – user2993486 Mar 19 '14 at 10:07
ok, in d->cards[i].img I put the scaled bitmap how here: – user2993486 Mar 19 '14 at 10:28
http://stackoverflow.com/questions/15048136/loading-a-bitmap-image-to-a-certain-size I solved for now. – user2993486 Mar 19 '14 at 10:29

Allegro 5 strange behavior on drawing more scaled bitmap

0 Answers0